Added Bootstrap specific classes,

and fixed a few bugs here and there...

IPython/html/static/widgets/js/widget.js

@@ -1,537 +1,576 b''
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define(["widgets/js/manager",
         "underscore",
         "backbone", 
         "jquery",   
         "base/js/namespace",
 ], function(widgetmanager, _, Backbone, $, IPython){
 
     var WidgetModel = Backbone.Model.extend({
         constructor: function (widget_manager, model_id, comm) {
             // Constructor
             //
             // Creates a WidgetModel instance.
             //
             // Parameters
             // ----------
             // widget_manager : WidgetManager instance
             // model_id : string
             //      An ID unique to this model.
             // comm : Comm instance (optional)
             this.widget_manager = widget_manager;
             this._buffered_state_diff = {};
             this.pending_msgs = 0;
             this.msg_buffer = null;
             this.key_value_lock = null;
             this.id = model_id;
             this.views = [];
 
             if (comm !== undefined) {
                 // Remember comm associated with the model.
                 this.comm = comm;
                 comm.model = this;
 
                 // Hook comm messages up to model.
                 comm.on_close($.proxy(this._handle_comm_closed, this));
                 comm.on_msg($.proxy(this._handle_comm_msg, this));
             }
             return Backbone.Model.apply(this);
         },
 
         send: function (content, callbacks) {
             // Send a custom msg over the comm.
             if (this.comm !== undefined) {
                 var data = {method: 'custom', content: content};
                 this.comm.send(data, callbacks);
                 this.pending_msgs++;
             }
         },
 
         _handle_comm_closed: function (msg) {
             // Handle when a widget is closed.
             this.trigger('comm:close');
             delete this.comm.model; // Delete ref so GC will collect widget model.
             delete this.comm;
             delete this.model_id; // Delete id from model so widget manager cleans up.
             _.each(this.views, function(view, i) {
                 view.remove();
             });
         },
 
         _handle_comm_msg: function (msg) {
             // Handle incoming comm msg.
             var method = msg.content.data.method;
             switch (method) {
                 case 'update':
                     this.apply_update(msg.content.data.state);
                     break;
                 case 'custom':
                     this.trigger('msg:custom', msg.content.data.content);
                     break;
                 case 'display':
                     this.widget_manager.display_view(msg, this);
                     break;
             }
         },
 
         apply_update: function (state) {
             // Handle when a widget is updated via the python side.
             var that = this;
             _.each(state, function(value, key) {
                 that.key_value_lock = [key, value];
                 try {
                     WidgetModel.__super__.set.apply(that, [key, that._unpack_models(value)]);
                 } finally {
                     that.key_value_lock = null;
                 }
             });
         },
 
         _handle_status: function (msg, callbacks) {
             // Handle status msgs.
 
             // execution_state : ('busy', 'idle', 'starting')
             if (this.comm !== undefined) {
                 if (msg.content.execution_state ==='idle') {
                     // Send buffer if this message caused another message to be
                     // throttled.
                     if (this.msg_buffer !== null &&
                         (this.get('msg_throttle') || 3) === this.pending_msgs) {
                         var data = {method: 'backbone', sync_method: 'update', sync_data: this.msg_buffer};
                         this.comm.send(data, callbacks);
                         this.msg_buffer = null;
                     } else {
                         --this.pending_msgs;
                     }
                 }
             }
         },
 
         callbacks: function(view) {
             // Create msg callbacks for a comm msg.
             var callbacks = this.widget_manager.callbacks(view);
 
             if (callbacks.iopub === undefined) {
                 callbacks.iopub = {};
             }
 
             var that = this;
             callbacks.iopub.status = function (msg) {
                 that._handle_status(msg, callbacks);
             };
             return callbacks;
         },
 
         set: function(key, val, options) {
             // Set a value.
             var return_value = WidgetModel.__super__.set.apply(this, arguments);
 
             // Backbone only remembers the diff of the most recent set()
             // operation.  Calling set multiple times in a row results in a 
             // loss of diff information.  Here we keep our own running diff.
             this._buffered_state_diff = $.extend(this._buffered_state_diff, this.changedAttributes() || {});
             return return_value;
         },
 
         sync: function (method, model, options) {
             // Handle sync to the back-end.  Called when a model.save() is called.
 
             // Make sure a comm exists.
             var error = options.error || function() {
                 console.error('Backbone sync error:', arguments);
             };
             if (this.comm === undefined) {
                 error();
                 return false;
             }
 
             // Delete any key value pairs that the back-end already knows about.
             var attrs = (method === 'patch') ? options.attrs : model.toJSON(options);
             if (this.key_value_lock !== null) {
                 var key = this.key_value_lock[0];
                 var value = this.key_value_lock[1];
                 if (attrs[key] === value) {
                     delete attrs[key];
                 }
             }
 
             // Only sync if there are attributes to send to the back-end.
             attrs = this._pack_models(attrs);
             if (_.size(attrs) > 0) {
 
                 // If this message was sent via backbone itself, it will not
                 // have any callbacks.  It's important that we create callbacks
                 // so we can listen for status messages, etc...
                 var callbacks = options.callbacks || this.callbacks();
 
                 // Check throttle.
                 if (this.pending_msgs >= (this.get('msg_throttle') || 3)) {
                     // The throttle has been exceeded, buffer the current msg so
                     // it can be sent once the kernel has finished processing 
                     // some of the existing messages.
                     
                     // Combine updates if it is a 'patch' sync, otherwise replace updates
                     switch (method) {
                         case 'patch':
                             this.msg_buffer = $.extend(this.msg_buffer || {}, attrs);
                             break;
                         case 'update':
                         case 'create':
                             this.msg_buffer = attrs;
                             break;
                         default:
                             error();
                             return false;
                     }
                     this.msg_buffer_callbacks = callbacks;
 
                 } else {
                     // We haven't exceeded the throttle, send the message like 
                     // normal.
                     var data = {method: 'backbone', sync_data: attrs};
                     this.comm.send(data, callbacks);
                     this.pending_msgs++;
                 }
             }
             // Since the comm is a one-way communication, assume the message 
             // arrived.  Don't call success since we don't have a model back from the server
             // this means we miss out on the 'sync' event.
             this._buffered_state_diff = {};
         },
 
         save_changes: function(callbacks) {
             // Push this model's state to the back-end
             //
             // This invokes a Backbone.Sync.
             this.save(this._buffered_state_diff, {patch: true, callbacks: callbacks});
         },
 
         _pack_models: function(value) {
             // Replace models with model ids recursively.
             var that = this;
             var packed;
             if (value instanceof Backbone.Model) {
                 return "IPY_MODEL_" + value.id;
 
             } else if ($.isArray(value)) {
                 packed = [];
                 _.each(value, function(sub_value, key) {
                     packed.push(that._pack_models(sub_value));
                 });
                 return packed;
 
             } else if (value instanceof Object) {
                 packed = {};
                 _.each(value, function(sub_value, key) {
                     packed[key] = that._pack_models(sub_value);
                 });
                 return packed;
 
             } else {
                 return value;
             }
         },
 
         _unpack_models: function(value) {
             // Replace model ids with models recursively.
             var that = this;
             var unpacked;
             if ($.isArray(value)) {
                 unpacked = [];
                 _.each(value, function(sub_value, key) {
                     unpacked.push(that._unpack_models(sub_value));
                 });
                 return unpacked;
 
             } else if (value instanceof Object) {
                 unpacked = {};
                 _.each(value, function(sub_value, key) {
                     unpacked[key] = that._unpack_models(sub_value);
                 });
                 return unpacked;
 
             } else if (typeof value === 'string' && value.slice(0,10) === "IPY_MODEL_") {
 		var model = this.widget_manager.get_model(value.slice(10, value.length));
 		if (model) {
 		    return model;
 		} else {
 		    return value;
 		}
             } else {
                     return value;
             }
         },
 
     });
     widgetmanager.WidgetManager.register_widget_model('WidgetModel', WidgetModel);
 
 
     var WidgetView = Backbone.View.extend({
         initialize: function(parameters) {
             // Public constructor.
             this.model.on('change',this.update,this);
             this.options = parameters.options;
             this.child_model_views = {};
             this.child_views = {};
             this.model.views.push(this);
             this.id = this.id || IPython.utils.uuid();
             this.on('displayed', function() { 
                 this.is_displayed = true; 
             }, this);
         },
 
         update: function(){
             // Triggered on model change.
             //
             // Update view to be consistent with this.model
         },
 
         create_child_view: function(child_model, options) {
             // Create and return a child view.
             //
             // -given a model and (optionally) a view name if the view name is 
             // not given, it defaults to the model's default view attribute.
         
             // TODO: this is hacky, and makes the view depend on this cell attribute and widget manager behavior
             // it would be great to have the widget manager add the cell metadata
             // to the subview without having to add it here.
             options = $.extend({ parent: this }, options || {});
             var child_view = this.model.widget_manager.create_view(child_model, options, this);
             
             // Associate the view id with the model id.
             if (this.child_model_views[child_model.id] === undefined) {
                 this.child_model_views[child_model.id] = [];
             }
             this.child_model_views[child_model.id].push(child_view.id);
 
             // Remember the view by id.
             this.child_views[child_view.id] = child_view;
             return child_view;
         },
 
         pop_child_view: function(child_model) {
             // Delete a child view that was previously created using create_child_view.
             var view_ids = this.child_model_views[child_model.id];
             if (view_ids !== undefined) {
 
                 // Only delete the first view in the list.
                 var view_id = view_ids[0];
                 var view = this.child_views[view_id];
                 delete this.child_views[view_id];
                 view_ids.splice(0,1);
                 child_model.views.pop(view);
             
                 // Remove the view list specific to this model if it is empty.
                 if (view_ids.length === 0) {
                     delete this.child_model_views[child_model.id];
                 }
                 return view;
             }
             return null;
         },
 
         do_diff: function(old_list, new_list, removed_callback, added_callback) {
             // Difference a changed list and call remove and add callbacks for 
             // each removed and added item in the new list.
             //
             // Parameters
             // ----------
             // old_list : array
             // new_list : array
             // removed_callback : Callback(item)
             //      Callback that is called for each item removed.
             // added_callback : Callback(item)
             //      Callback that is called for each item added.
 
             // Walk the lists until an unequal entry is found.
             var i;
             for (i = 0; i < new_list.length; i++) {
                 if (i >= old_list.length || new_list[i] !== old_list[i]) {
                     break;
                 }
             }
 
             // Remove the non-matching items from the old list.
             for (var j = i; j < old_list.length; j++) {
                 removed_callback(old_list[j]);
             }
 
             // Add the rest of the new list items.
             for (; i < new_list.length; i++) {
                 added_callback(new_list[i]);
             }
         },
 
         callbacks: function(){
             // Create msg callbacks for a comm msg.
             return this.model.callbacks(this);
         },
 
         render: function(){
             // Render the view.
             //
             // By default, this is only called the first time the view is created
         },
 
         show: function(){
             // Show the widget-area
             if (this.options && this.options.cell &&
                 this.options.cell.widget_area !== undefined) {
                 this.options.cell.widget_area.show();
             }
         },
 
         send: function (content) {
             // Send a custom msg associated with this view.
             this.model.send(content, this.callbacks());
         },
 
         touch: function () {
             this.model.save_changes(this.callbacks());
         },
 
         after_displayed: function (callback, context) {
             // Calls the callback right away is the view is already displayed
             // otherwise, register the callback to the 'displayed' event.
             if (this.is_displayed) {
                 callback.apply(context);
             } else {
                 this.on('displayed', callback, context);
             }
         },
     });
 
 
     var DOMWidgetView = WidgetView.extend({
         initialize: function (parameters) {
             // Public constructor
             DOMWidgetView.__super__.initialize.apply(this, [parameters]);
             this.on('displayed', this.show, this);
             this.model.on('change:visible', this.update_visible, this);
             this.model.on('change:_css', this.update_css, this);
 
             this.model.on('change:_dom_classes', function(model, new_classes) {
                 var old_classes = model.previous('children');
                 this.update_classes(old_classes, new_classes);
             }, this);
 
             this.model.on('change:fore_color', function (model, value) { 
                 this.update_attr('color', value); }, this);
 
             this.model.on('change:back_color', function (model, value) { 
                 this.update_attr('background', value); }, this);
 
             this.model.on('change:width', function (model, value) { 
                 this.update_attr('width', value); }, this);
 
             this.model.on('change:height', function (model, value) { 
                 this.update_attr('height', value); }, this);
 
             this.model.on('change:border_color', function (model, value) { 
                 this.update_attr('border-color', value); }, this);
 
             this.model.on('change:border_width', function (model, value) { 
                 this.update_attr('border-width', value); }, this);
 
             this.model.on('change:border_style', function (model, value) { 
                 this.update_attr('border-style', value); }, this);
 
             this.model.on('change:font_style', function (model, value) { 
                 this.update_attr('font-style', value); }, this);
 
             this.model.on('change:font_weight', function (model, value) { 
                 this.update_attr('font-weight', value); }, this);
 
             this.model.on('change:font_size', function (model, value) { 
                 this.update_attr('font-size', value); }, this);
 
             this.model.on('change:font_family', function (model, value) { 
                 this.update_attr('font-family', value); }, this);
 
             this.model.on('change:padding', function (model, value) { 
                 this.update_attr('padding', value); }, this);
 
             this.model.on('change:margin', function (model, value) { 
                 this.update_attr('margin', value); }, this);
 
             this.after_displayed(function() {
                 this.update_visible(this.model, this.model.get("visible"));
                 this.update_css(this.model, this.model.get("_css"));
 
                 this.update_classes([], this.model.get('_dom_classes'));
                 this.update_attr('color', this.model.get('fore_color'));
                 this.update_attr('background', this.model.get('back_color'));
                 this.update_attr('width', this.model.get('width'));
                 this.update_attr('height', this.model.get('height'));
                 this.update_attr('border-color', this.model.get('border_color'));
                 this.update_attr('border-width', this.model.get('border_width'));
                 this.update_attr('border-style', this.model.get('border_style'));
                 this.update_attr('font-style', this.model.get('font_style'));
                 this.update_attr('font-weight', this.model.get('font_weight'));
                 this.update_attr('font-size', this.model.get('font_size'));
                 this.update_attr('font-family', this.model.get('font_family'));
                 this.update_attr('padding', this.model.get('padding'));
                 this.update_attr('margin', this.model.get('margin'));
             }, this);
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this.$el.css(name, value);
         },
 
         update_visible: function(model, value) {
             // Update visibility
             this.$el.toggle(value);
          },
 
         update_css: function (model, css) {
             // Update the css styling of this view.
             var e = this.$el;
             if (css === undefined) {return;}
             for (var i = 0; i < css.length; i++) {
                 // Apply the css traits to all elements that match the selector.
                 var selector = css[i][0];
                 var elements = this._get_selector_element(selector);
                 if (elements.length > 0) {
                     var trait_key = css[i][1];
                     var trait_value = css[i][2];
                     elements.css(trait_key ,trait_value);
                 }
             }
         },
 
-        update_classes: function (old_classes, new_classes) {
-            // Update the DOM classes applied to the topmost element.
+        update_classes: function (old_classes, new_classes, $el) {
+            // Update the DOM classes applied to an element, default to this.$el.
+            if ($el===undefined) {
+                $el = this.$el;
+            }
             this.do_diff(old_classes, new_classes, function(removed) {
-                this.$el.removeClass(removed);
+                $el.removeClass(removed);
             }, function(added) {
-                this.$el.addClass(added);
+                $el.addClass(added);
             });
         },
 
+        update_mapped_classes: function(class_map, trait_name, previous_trait_value, $el) {
+            // Update the DOM classes applied to the widget based on a single
+            // trait's value.
+            //
+            // Given a trait value classes map, this function automatically
+            // handles applying the appropriate classes to the widget element
+            // and removing classes that are no longer valid.
+            //
+            // Parameters
+            // ----------
+            // class_map: dictionary
+            //  Dictionary of trait values to class lists.
+            //  Example:
+            //      {
+            //          success: ['alert', 'alert-success'],
+            //          info: ['alert', 'alert-info'],
+            //          warning: ['alert', 'alert-warning'],
+            //          danger: ['alert', 'alert-danger']
+            //      };
+            // trait_name: string
+            //  Name of the trait to check the value of.
+            // previous_trait_value: optional string, default ''
+            //  Last trait value
+            // $el: optional jQuery element handle, defaults to this.$el
+            //  Element that the classes are applied to.
+            var key = previous_trait_value;
+            if (key === undefined) {
+                key = this.model.previous(trait_name);
+            }
+            var old_classes = class_map[key] ? class_map[key] : [];
+            key = this.model.get(trait_name);
+            var new_classes = class_map[key] ? class_map[key] : [];
+
+            this.update_classes(old_classes, new_classes, $el || this.$el);
+        },
+        
         _get_selector_element: function (selector) {
             // Get the elements via the css selector.
             var elements;
             if (!selector) {
                 elements = this.$el;
             } else {
                 elements = this.$el.find(selector).addBack(selector);
             }
             return elements;
         },
     });
 
     var widget = {
         'WidgetModel': WidgetModel,
         'WidgetView': WidgetView,
         'DOMWidgetView': DOMWidgetView,
     };
 
     // For backwards compatability.
     $.extend(IPython, widget);
 
     return widget;
 });

IPython/html/static/widgets/js/widget_bool.js

@@ -1,124 +1,140 b''
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define([
     "widgets/js/widget",
     "jquery",
     "bootstrap",
 ], function(widget, $){
 
     var CheckboxView = widget.DOMWidgetView.extend({
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox-single');
             this.$label = $('<div />')
                 .addClass('widget-hlabel')
                 .appendTo(this.$el)
                 .hide();
             this.$checkbox = $('<input />')
                 .attr('type', 'checkbox')
                 .appendTo(this.$el)
                 .click($.proxy(this.handle_click, this));
 
             this.update(); // Set defaults.
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this.$checkbox.css(name, value);
         },
 
         handle_click: function() {
             // Handles when the checkbox is clicked.
 
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             var value = this.model.get('value');
             this.model.set('value', ! value, {updated_view: this});
             this.touch();
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             this.$checkbox.prop('checked', this.model.get('value'));
 
             if (options === undefined || options.updated_view != this) {
                 var disabled = this.model.get('disabled');
                 this.$checkbox.prop('disabled', disabled);
 
                 var description = this.model.get('description');
                 if (description.trim().length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
             }
             return CheckboxView.__super__.update.apply(this);
         },
         
     });
 
 
     var ToggleButtonView = widget.DOMWidgetView.extend({
         render : function() {
             // Called when view is rendered.
             var that = this;
             this.setElement($('<button />')
                 .addClass('btn btn-default')
                 .attr('type', 'button')
                 .on('click', function (e) {
                     e.preventDefault();
                     that.handle_click();
                 }));
 
+            this.model.on('change:button_style', function(model, value) {
+                this.update_button_style();
+            }, this);
+            this.update_button_style('');
+
             this.update(); // Set defaults.
         },
         
+        update_button_style: function(previous_trait_value) {
+            var class_map = {
+                primary: ['btn-primary'],
+                success: ['btn-success'],
+                info: ['btn-info'],
+                warning: ['btn-warning'],
+                danger: ['btn-danger']
+            };
+            this.update_mapped_classes(class_map, 'button_style', previous_trait_value);
+        },
+        
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             if (this.model.get('value')) {
                 this.$el.addClass('active');
             } else {
                 this.$el.removeClass('active');
             }
 
             if (options === undefined || options.updated_view != this) {
 
                 var disabled = this.model.get('disabled');
                 this.$el.prop('disabled', disabled);
 
                 var description = this.model.get('description');
                 if (description.trim().length === 0) {
                     this.$el.html("&nbsp;"); // Preserve button height
                 } else {
                     this.$el.text(description);
                 }
             }
             return ToggleButtonView.__super__.update.apply(this);
         },
         
         handle_click: function(e) { 
             // Handles and validates user input.
 
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             var value = this.model.get('value');
             this.model.set('value', ! value, {updated_view: this});
             this.touch();
         },
     });
 
     return {
         'CheckboxView': CheckboxView,
         'ToggleButtonView': ToggleButtonView,
     };
 });

IPython/html/static/widgets/js/widget_box.js

@@ -1,330 +1,344 b''
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define([
     "widgets/js/widget",
     "jqueryui",
     "bootstrap",
 ], function(widget, $){
 
     var BoxView = widget.DOMWidgetView.extend({
         initialize: function(){
             // Public constructor
             BoxView.__super__.initialize.apply(this, arguments);
             this.model.on('change:children', function(model, value) {
                 this.update_children(model.previous('children'), value);
             }, this);
             this.model.on('change:overflow_x', function(model, value) {
                 this.update_overflow_x();
             }, this);
             this.model.on('change:overflow_y', function(model, value) {
                 this.update_overflow_y();
             }, this);
+            this.model.on('change:box_style', function(model, value) {
+                this.update_box_style();
+            }, this);
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this.$box.css(name, value);
         },
 
         render: function(){
             // Called when view is rendered.
             this.$box = this.$el;
             this.$box.addClass('widget-box');
             this.update_children([], this.model.get('children'));
             this.update_overflow_x();
             this.update_overflow_y();
+            this.update_box_style('');
         },
 
         update_overflow_x: function() {
             // Called when the x-axis overflow setting is changed.
             this.$box.css('overflow-x', this.model.get('overflow_x'));
         },
 
         update_overflow_y: function() {
             // Called when the y-axis overflow setting is changed.
             this.$box.css('overflow-y', this.model.get('overflow_y'));
         },
         
+        update_box_style: function(previous_trait_value) {
+            var class_map = {
+                success: ['alert', 'alert-success'],
+                info: ['alert', 'alert-info'],
+                warning: ['alert', 'alert-warning'],
+                danger: ['alert', 'alert-danger']
+            };
+            this.update_mapped_classes(class_map, 'box_style', previous_trait_value, this.$box);
+        },
+        
         update_children: function(old_list, new_list) {
             // Called when the children list changes.
             this.do_diff(old_list, new_list, 
                 $.proxy(this.remove_child_model, this),
                 $.proxy(this.add_child_model, this));
         },
 
         remove_child_model: function(model) {
             // Called when a model is removed from the children list.
             this.pop_child_view(model).remove();
         },
 
         add_child_model: function(model) {
             // Called when a model is added to the children list.
             var view = this.create_child_view(model);
             this.$box.append(view.$el);
 
             // Trigger the displayed event of the child view.
             this.after_displayed(function() {
                 view.trigger('displayed');
             });
         },
     });
 
 
     var FlexBoxView = BoxView.extend({
         render: function(){
             FlexBoxView.__super__.render.apply(this);
             this.model.on('change:orientation', this.update_orientation, this);
             this.model.on('change:flex', this._flex_changed, this);
             this.model.on('change:pack', this._pack_changed, this);
             this.model.on('change:align', this._align_changed, this);
             this._flex_changed();
             this._pack_changed();
             this._align_changed();
             this.update_orientation();
         },
 
         update_orientation: function(){
             var orientation = this.model.get("orientation");
             if (orientation == "vertical") {
                 this.$box.removeClass("hbox").addClass("vbox");
             } else {
                 this.$box.removeClass("vbox").addClass("hbox");
             }
         },
 
         _flex_changed: function(){
             if (this.model.previous('flex')) {
                 this.$box.removeClass('box-flex' + this.model.previous('flex'));
             }
             this.$box.addClass('box-flex' + this.model.get('flex'));
         },
 
         _pack_changed: function(){
             if (this.model.previous('pack')) {
                 this.$box.removeClass(this.model.previous('pack'));
             }
             this.$box.addClass(this.model.get('pack'));
         },
 
         _align_changed: function(){
             if (this.model.previous('align')) {
                 this.$box.removeClass('align-' + this.model.previous('align'));
             }
             this.$box.addClass('align-' + this.model.get('align'));
         },
     });
 
     var PopupView = BoxView.extend({
 
         render: function(){
             // Called when view is rendered.
             var that = this;
             
             this.$el.on("remove", function(){
                     that.$backdrop.remove();
                 });
             this.$backdrop = $('<div />')
                 .appendTo($('#notebook-container'))
                 .addClass('modal-dialog')
                 .css('position', 'absolute')
                 .css('left', '0px')
                 .css('top', '0px');
             this.$window = $('<div />')
                 .appendTo(this.$backdrop)
                 .addClass('modal-content widget-modal')
                 .mousedown(function(){
                     that.bring_to_front();
                 });
 
             // Set the elements array since the this.$window element is not child
             // of this.$el and the parent widget manager or other widgets may
             // need to know about all of the top-level widgets.  The IPython
             // widget manager uses this to register the elements with the
             // keyboard manager.
             this.additional_elements = [this.$window];
 
             this.$title_bar = $('<div />')
                 .addClass('popover-title')
                 .appendTo(this.$window)
                 .mousedown(function(){
                     that.bring_to_front();
                 });
             this.$close = $('<button />')
                 .addClass('close fa fa-remove')
                 .css('margin-left', '5px')
                 .appendTo(this.$title_bar)
                 .click(function(){
                     that.hide();
                     event.stopPropagation();
                 });
             this.$minimize = $('<button />')
                 .addClass('close fa fa-arrow-down')
                 .appendTo(this.$title_bar)
                 .click(function(){
                     that.popped_out = !that.popped_out;
                     if (!that.popped_out) {
                         that.$minimize
                             .removeClass('fa fa-arrow-down')
                             .addClass('fa fa-arrow-up');
                             
                         that.$window
                             .draggable('destroy')
                             .resizable('destroy')
                             .removeClass('widget-modal modal-content')
                             .addClass('docked-widget-modal')
                             .detach()
                             .insertBefore(that.$show_button);
                         that.$show_button.hide();
                         that.$close.hide();
                     } else {
                         that.$minimize
                             .addClass('fa fa-arrow-down')
                             .removeClass('fa fa-arrow-up');
 
                         that.$window
                             .removeClass('docked-widget-modal')
                             .addClass('widget-modal modal-content')
                             .detach()
                             .appendTo(that.$backdrop)
                             .draggable({handle: '.popover-title', snap: '#notebook, .modal', snapMode: 'both'})
                             .resizable()
                             .children('.ui-resizable-handle').show();
                         that.show();
                         that.$show_button.show();
                         that.$close.show();
                     }
                     event.stopPropagation();
                 });
             this.$title = $('<div />')
                 .addClass('widget-modal-title')
                 .html("&nbsp;")
                 .appendTo(this.$title_bar);     
             this.$box = $('<div />')
                 .addClass('modal-body')
                 .addClass('widget-modal-body')
                 .addClass('widget-box')
                 .addClass('vbox')
                 .appendTo(this.$window);
             
             this.$show_button = $('<button />')
                 .html("&nbsp;")
                 .addClass('btn btn-info widget-modal-show')
                 .appendTo(this.$el)
                 .click(function(){
                     that.show();
                 });
             
             this.$window.draggable({handle: '.popover-title', snap: '#notebook, .modal', snapMode: 'both'});
             this.$window.resizable();
             this.$window.on('resize', function(){
                 that.$box.outerHeight(that.$window.innerHeight() - that.$title_bar.outerHeight());
             });
 
             this._shown_once = false;
             this.popped_out = true;
 
             this.update_children([], this.model.get('children'));
             this.model.on('change:children', function(model, value) {
                 this.update_children(model.previous('children'), value);
             }, this);
         },
         
         hide: function() {
             // Called when the modal hide button is clicked.
             this.$window.hide();
             this.$show_button.removeClass('btn-info');
         },
         
         show: function() {
             // Called when the modal show button is clicked.
             this.$show_button.addClass('btn-info');
             this.$window.show();
             if (this.popped_out) {
                 this.$window.css("positon", "absolute");
                 this.$window.css("top", "0px");
                 this.$window.css("left", Math.max(0, (($('body').outerWidth() - this.$window.outerWidth()) / 2) + 
                     $(window).scrollLeft()) + "px");
                 this.bring_to_front();
             }
         },
         
         bring_to_front: function() {
             // Make the modal top-most, z-ordered about the other modals.
             var $widget_modals = $(".widget-modal");
             var max_zindex = 0;
             $widget_modals.each(function (index, el){
                 var zindex = parseInt($(el).css('z-index'));
                 if (!isNaN(zindex)) {
                     max_zindex = Math.max(max_zindex, zindex);
                 }
             });
             
             // Start z-index of widget modals at 2000
             max_zindex = Math.max(max_zindex, 2000);
             
             $widget_modals.each(function (index, el){
                 $el = $(el);
                 if (max_zindex == parseInt($el.css('z-index'))) {
                     $el.css('z-index', max_zindex - 1);
                 }
             });
             this.$window.css('z-index', max_zindex);
         },
         
         update: function(){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             var description = this.model.get('description');
             if (description.trim().length === 0) {
                 this.$title.html("&nbsp;"); // Preserve title height
             } else {
                 this.$title.text(description);
                 MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$title.get(0)]);
             }
             
             var button_text = this.model.get('button_text');
             if (button_text.trim().length === 0) {
                 this.$show_button.html("&nbsp;"); // Preserve button height
             } else {
                 this.$show_button.text(button_text);
             }
             
             if (!this._shown_once) {
                 this._shown_once = true;
                 this.show();
             }
             
             return PopupView.__super__.update.apply(this);
         },
         
         _get_selector_element: function(selector) {
             // Get an element view a 'special' jquery selector.  (see widget.js)
             //
             // Since the modal actually isn't within the $el in the DOM, we need to extend
             // the selector logic to allow the user to set css on the modal if need be.
             // The convention used is:
             // "modal" - select the modal div
             // "modal [selector]" - select element(s) within the modal div.
             // "[selector]" - select elements within $el
             // "" - select the $el
             if (selector.substring(0, 5) == 'modal') {
                 if (selector == 'modal') {
                     return this.$window;
                 } else {
                     return this.$window.find(selector.substring(6));
                 }
             } else {
                 return PopupView.__super__._get_selector_element.apply(this, [selector]);
             }
         },
     });
 
     return {
         'BoxView': BoxView,
         'PopupView': PopupView,
         'FlexBoxView': FlexBoxView,
     };
 });

IPython/html/static/widgets/js/widget_button.js

@@ -1,54 +1,70 b''
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define([
     "widgets/js/widget",
     "jquery",
     "bootstrap",
 ], function(widget, $){
 
     var ButtonView = widget.DOMWidgetView.extend({
         render : function(){
             // Called when view is rendered.
             this.setElement($("<button />")
                 .addClass('btn btn-default'));
 
+            this.model.on('change:button_style', function(model, value) {
+                this.update_button_style();
+            }, this);
+            this.update_button_style('');
+
             this.update(); // Set defaults.
         },
         
         update : function(){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             var description = this.model.get('description');
             if (description.length === 0) {
                 this.$el.html("&nbsp;"); // Preserve button height
             } else {
                 this.$el.text(description);
             }
             
             if (this.model.get('disabled')) {
                 this.$el.attr('disabled','disabled');
             } else {
                 this.$el.removeAttr('disabled');
             }
 
             return ButtonView.__super__.update.apply(this);
         },
 
+        update_button_style: function(previous_trait_value) {
+            var class_map = {
+                primary: ['btn-primary'],
+                success: ['btn-success'],
+                info: ['btn-info'],
+                warning: ['btn-warning'],
+                danger: ['btn-danger']
+            };
+            this.update_mapped_classes(class_map, 'button_style', previous_trait_value);
+        },
+
         events: {
             // Dictionary of events and their handlers.
             'click': '_handle_click',
         },
         
         _handle_click: function(){
             // Handles when the button is clicked.
             this.send({event: 'click'});
         },
     });
 
     return {
         'ButtonView': ButtonView,
     };
 });

IPython/html/static/widgets/js/widget_int.js

@@ -1,364 +1,367 b''
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define([
     "widgets/js/widget",
     "jqueryui",
     "bootstrap",
 ], function(widget, $){
     
     var IntSliderView = widget.DOMWidgetView.extend({
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox-single');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             
             this.$slider = $('<div />')
                 .slider({})
                 .addClass('slider');
             // Put the slider in a container 
             this.$slider_container = $('<div />')
                 .addClass('widget-hslider')
                 .append(this.$slider);
             this.$el.append(this.$slider_container);
             
             this.$readout = $('<div/>')
                 .appendTo(this.$el)
                 .addClass('widget-hreadout')
                 .hide();
 
             this.model.on('change:slider_color', function(sender, value) {
                 this.$slider.find('a').css('background', value);
             }, this);
             
             // Set defaults.
             this.update();
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             if (name == 'color') {
                 this.$readout.css(name, value);
             } else if (name.substring(0, 4) == 'font') {
                 this.$readout.css(name, value);
             } else if (name.substring(0, 6) == 'border') {
                 this.$slider.find('a').css(name, value);
                 this.$slider_container.css(name, value);
             } else if (name == 'width' || name == 'height' || name == 'background') {
                 this.$slider_container.css(name, value);
             } else {
                 this.$slider.css(name, value);
             }
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             if (options === undefined || options.updated_view != this) {
                 // JQuery slider option keys.  These keys happen to have a
                 // one-to-one mapping with the corrosponding keys of the model.
                 var jquery_slider_keys = ['step', 'max', 'min', 'disabled'];
                 var that = this;
                 that.$slider.slider({});
                 _.each(jquery_slider_keys, function(key, i) {
                     var model_value = that.model.get(key);
                     if (model_value !== undefined) {
                         that.$slider.slider("option", key, model_value);
                     }
                 });
                 var range_value = this.model.get("_range");
                 if (range_value !== undefined) {
                     this.$slider.slider("option", "range", range_value);
                 }
 
                 // WORKAROUND FOR JQUERY SLIDER BUG.
                 // The horizontal position of the slider handle
                 // depends on the value of the slider at the time
                 // of orientation change.  Before applying the new
                 // workaround, we set the value to the minimum to
                 // make sure that the horizontal placement of the
                 // handle in the vertical slider is always 
                 // consistent.
                 var orientation = this.model.get('orientation');
                 var min = this.model.get('min');
                 var max = this.model.get('max');
                 if (this.model.get('_range')) {
                     this.$slider.slider('option', 'values', [min, min]);
                 } else {
                     this.$slider.slider('option', 'value', min);
                 }
                 this.$slider.slider('option', 'orientation', orientation);
                 var value = this.model.get('value');
                 if (this.model.get('_range')) {
                     // values for the range case are validated python-side in
                     // _Bounded{Int,Float}RangeWidget._validate
                     this.$slider.slider('option', 'values', value);
                     this.$readout.text(value.join("-"));
                 } else {
                     if(value > max) { 
                         value = max; 
                     }
                     else if(value < min){ 
                         value = min; 
                     }
                     this.$slider.slider('option', 'value', value);
                     this.$readout.text(value);
                 }
 
                 if(this.model.get('value')!=value) {
                     this.model.set('value', value, {updated_view: this});
                     this.touch();
                 }
 
                 // Use the right CSS classes for vertical & horizontal sliders
                 if (orientation=='vertical') {
                     this.$slider_container
                         .removeClass('widget-hslider')
                         .addClass('widget-vslider');
                     this.$el
                         .removeClass('widget-hbox-single');
                     this.$label
                         .removeClass('widget-hlabel')
                         .addClass('widget-vlabel');
                     this.$readout
                         .removeClass('widget-hreadout')
                         .addClass('widget-vreadout');
 
                 } else {
                     this.$slider_container
                         .removeClass('widget-vslider')
                         .addClass('widget-hslider');
                     this.$el
                         .addClass('widget-hbox-single');
                     this.$label
                         .removeClass('widget-vlabel')
                         .addClass('widget-hlabel');
                     this.$readout
                         .removeClass('widget-vreadout')
                         .addClass('widget-hreadout');
                 }
 
                 var description = this.model.get('description');
                 if (description.length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
                 
                 var readout = this.model.get('readout');
                 if (readout) {
                     this.$readout.show();
                 } else {
                     this.$readout.hide();
                 }
             }
             return IntSliderView.__super__.update.apply(this);
         },
         
         events: {
             // Dictionary of events and their handlers.
             "slide" : "handleSliderChange"
         }, 
 
         handleSliderChange: function(e, ui) { 
             // Called when the slider value is changed.
 
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             if (this.model.get("_range")) {
                 var actual_value = ui.values.map(this._validate_slide_value);
                 this.$readout.text(actual_value.join("-"));
             } else {
                 var actual_value = this._validate_slide_value(ui.value);
                 this.$readout.text(actual_value);
             }
             this.model.set('value', actual_value, {updated_view: this});
             this.touch();
         },
 
         _validate_slide_value: function(x) {
             // Validate the value of the slider before sending it to the back-end
             // and applying it to the other views on the page.
 
             // Double bit-wise not truncates the decimel (int cast).
             return ~~x;
         },
     });
 
 
     var IntTextView = widget.DOMWidgetView.extend({    
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox-single');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             this.$textbox = $('<input type="text" />')
                 .addClass('form-control')
                 .addClass('widget-numeric-text')
                 .appendTo(this.$el);
             this.update(); // Set defaults.
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             if (options === undefined || options.updated_view != this) {
                 var value = this.model.get('value');
                 if (this._parse_value(this.$textbox.val()) != value) {
                     this.$textbox.val(value);
                 }
                 
                 if (this.model.get('disabled')) {
                     this.$textbox.attr('disabled','disabled');
                 } else {
                     this.$textbox.removeAttr('disabled');
                 }
 
                 var description = this.model.get('description');
                 if (description.length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
             }
             return IntTextView.__super__.update.apply(this);
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this.$textbox.css(name, value);
         },
 
         events: {
             // Dictionary of events and their handlers.
             "keyup input"  : "handleChanging",
             "paste input"  : "handleChanging",
             "cut input"    : "handleChanging",
 
             // Fires only when control is validated or looses focus.
             "change input" : "handleChanged"
         }, 
         
         handleChanging: function(e) { 
             // Handles and validates user input.
             
             // Try to parse value as a int.
             var numericalValue = 0;
             if (e.target.value !== '') {
                 var trimmed = e.target.value.trim();
                 if (!(['-', '-.', '.', '+.', '+'].indexOf(trimmed) >= 0)) {
                     numericalValue = this._parse_value(e.target.value);    
                 }                
             }
             
             // If parse failed, reset value to value stored in model.
             if (isNaN(numericalValue)) {
                 e.target.value = this.model.get('value');
             } else if (!isNaN(numericalValue)) {
                 if (this.model.get('max') !== undefined) {
                     numericalValue = Math.min(this.model.get('max'), numericalValue);
                 }
                 if (this.model.get('min') !== undefined) {
                     numericalValue = Math.max(this.model.get('min'), numericalValue);
                 }
                 
                 // Apply the value if it has changed.
                 if (numericalValue != this.model.get('value')) {
             
                     // Calling model.set will trigger all of the other views of the 
                     // model to update.
                     this.model.set('value', numericalValue, {updated_view: this});
                     this.touch();
                 }
             }
         },
         
         handleChanged: function(e) {
             // Applies validated input.
             if (this.model.get('value') != e.target.value) {
                 e.target.value = this.model.get('value');
             }
         },
 
         _parse_value: function(value) {
             // Parse the value stored in a string.
             return  parseInt(value);
         },
     });
 
 
     var ProgressView = widget.DOMWidgetView.extend({
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox-single');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             this.$progress = $('<div />')
                 .addClass('progress')
                 .addClass('widget-progress')
                 .appendTo(this.$el);
             this.$bar = $('<div />')
                 .addClass('progress-bar')
                 .css('width', '50%')
                 .appendTo(this.$progress);
             this.update(); // Set defaults.
         },
         
         update : function(){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             var value = this.model.get('value');
             var max = this.model.get('max');
             var min = this.model.get('min');
             var percent = 100.0 * (value - min) / (max - min);
             this.$bar.css('width', percent + '%');
             
             var description = this.model.get('description');
             if (description.length === 0) {
                 this.$label.hide();
             } else {
                 this.$label.text(description);
                 MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                 this.$label.show();
             }
             return ProgressView.__super__.update.apply(this);
         }, 
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
-            if (name.substring(0, 6) == 'border' || name == 'width' || name == 'height' || name == 'background') {
+            if (name.substring(0, 6) == 'border' || name == 'width' || 
+                name == 'height' || name == 'background' || name == 'margin' || 
+                name == 'padding') {
+                
                 this.$progress.css(name, value);
             } else if (name == 'color') {                
                 this.$bar.css('background', value);
             } else {
                 this.$bar.css(name, value);
             }
         },
     });
 
     return {
         'IntSliderView': IntSliderView, 
         'IntTextView': IntTextView,
         'ProgressView': ProgressView,
     };
 });

IPython/html/static/widgets/js/widget_selection.js

@@ -1,433 +1,472 b''
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define([
     "widgets/js/widget",
     "base/js/utils",
     "jquery",
     "bootstrap",
 ], function(widget, utils, $){
 
     var DropdownView = widget.DOMWidgetView.extend({
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox-single');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             this.$buttongroup = $('<div />')
                 .addClass('widget_item')
                 .addClass('btn-group')
                 .appendTo(this.$el);
             this.$droplabel = $('<button />')
                 .addClass('btn btn-default')
                 .addClass('widget-combo-btn')
                 .html("&nbsp;")
                 .appendTo(this.$buttongroup);
             this.$dropbutton = $('<button />')
                 .addClass('btn btn-default')
                 .addClass('dropdown-toggle')
                 .addClass('widget-combo-carrot-btn')
                 .attr('data-toggle', 'dropdown')
                 .append($('<span />').addClass("caret"))
                 .appendTo(this.$buttongroup);
             this.$droplist = $('<ul />')
                 .addClass('dropdown-menu')
                 .appendTo(this.$buttongroup);
             
+            this.model.on('change:button_style', function(model, value) {
+                this.update_button_style();
+            }, this);
+            this.update_button_style('');
+            
             // Set defaults.
             this.update();
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
 
             if (options === undefined || options.updated_view != this) {
                 var selected_item_text = this.model.get('value_name');
                 if (selected_item_text.trim().length === 0) {
                     this.$droplabel.html("&nbsp;");
                 } else {
                     this.$droplabel.text(selected_item_text);
                 }
                 
                 var items = this.model.get('value_names');
                 var $replace_droplist = $('<ul />')
                     .addClass('dropdown-menu');
                 // Copy the style
                 $replace_droplist.attr('style', this.$droplist.attr('style'));
                 var that = this;
                 _.each(items, function(item, i) {
                     var item_button = $('<a href="#"/>')
                         .text(item)
                         .on('click', $.proxy(that.handle_click, that));
                     $replace_droplist.append($('<li />').append(item_button));
                 });
 
                 this.$droplist.replaceWith($replace_droplist);
                 this.$droplist.remove();
                 this.$droplist = $replace_droplist;
                 
                 if (this.model.get('disabled')) {
                     this.$buttongroup.attr('disabled','disabled');
                     this.$droplabel.attr('disabled','disabled');
                     this.$dropbutton.attr('disabled','disabled');
                     this.$droplist.attr('disabled','disabled');
                 } else {
                     this.$buttongroup.removeAttr('disabled');
                     this.$droplabel.removeAttr('disabled');
                     this.$dropbutton.removeAttr('disabled');
                     this.$droplist.removeAttr('disabled');
                 }
 
                 var description = this.model.get('description');
                 if (description.length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
             }
             return DropdownView.__super__.update.apply(this);
         },
 
+        update_button_style: function(previous_trait_value) {
+            var class_map = {
+                primary: ['btn-primary'],
+                success: ['btn-success'],
+                info: ['btn-info'],
+                warning: ['btn-warning'],
+                danger: ['btn-danger']
+            };
+            this.update_mapped_classes(class_map, 'button_style', previous_trait_value, this.$droplabel);
+            this.update_mapped_classes(class_map, 'button_style', previous_trait_value, this.$dropbutton);
+        },
+
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             if (name.substring(0, 6) == 'border' || name == 'background' || name == 'color') {
                 this.$droplabel.css(name, value);
                 this.$dropbutton.css(name, value);
                 this.$droplist.css(name, value);
             } else if (name == 'width') {
-                var width = value - this.$dropbutton.width();
-                this.$droplist.css(name, width);
-                this.$droplabel.css(name, width);
+                this.$droplist.css(name, value);
+                this.$droplabel.css(name, value);
+            } else if (name == 'padding') {
+                this.$droplist.css(name, value);
+                this.$buttongroup.css(name, value);
+            } else if (name == 'margin') {
+                this.$buttongroup.css(name, value);
             } else if (name == 'height') {
                 this.$droplabel.css(name, value);
                 this.$dropbutton.css(name, value);
             } else {
                 this.$droplist.css(name, value);
                 this.$droplabel.css(name, value);
             }
         },
 
         handle_click: function (e) {
             // Handle when a value is clicked.
             
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             this.model.set('value_name', $(e.target).text(), {updated_view: this});
             this.touch();
         },
         
     });
 
 
     var RadioButtonsView = widget.DOMWidgetView.extend({    
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             this.$container = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-radio-box');
             this.update();
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             if (options === undefined || options.updated_view != this) {
                 // Add missing items to the DOM.
                 var items = this.model.get('value_names');
                 var disabled = this.model.get('disabled');
                 var that = this;
                 _.each(items, function(item, index) {
                     var item_query = ' :input[value="' + item + '"]';
                     if (that.$el.find(item_query).length === 0) {
                         var $label = $('<label />')
                             .addClass('radio')
                             .text(item)
                             .appendTo(that.$container);
                         
                         $('<input />')
                             .attr('type', 'radio')
                             .addClass(that.model)
                             .val(item)
                             .prependTo($label)
                             .on('click', $.proxy(that.handle_click, that));
                     }
                     
                     var $item_element = that.$container.find(item_query);
                     if (that.model.get('value_name') == item) {
                         $item_element.prop('checked', true);
                     } else {
                         $item_element.prop('checked', false);
                     }
                     $item_element.prop('disabled', disabled);
                 });
                 
                 // Remove items that no longer exist.
                 this.$container.find('input').each(function(i, obj) {
                     var value = $(obj).val();
                     var found = false;
                     _.each(items, function(item, index) {
                         if (item == value) {
                             found = true;
                             return false;
                         }
                     });
                     
                     if (!found) {
                         $(obj).parent().remove();
                     }
                 });
 
                 var description = this.model.get('description');
                 if (description.length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
             }
             return RadioButtonsView.__super__.update.apply(this);
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this.$container.css(name, value);
         },
 
         handle_click: function (e) {
             // Handle when a value is clicked.
             
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             this.model.set('value_name', $(e.target).val(), {updated_view: this});
             this.touch();
         },
     });
     
 
     var ToggleButtonsView = widget.DOMWidgetView.extend({
         initialize: function() {
             this._css_state = {};
             ToggleButtonsView.__super__.initialize.apply(this, arguments);
         },
 
         render: function() {
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox-single');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             this.$buttongroup = $('<div />')
                 .addClass('btn-group')
                 .attr('data-toggle', 'buttons-radio')
                 .appendTo(this.$el);
+
+            this.model.on('change:button_style', function(model, value) {
+                this.update_button_style();
+            }, this);
+            this.update_button_style('');
             this.update();
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             if (options === undefined || options.updated_view != this) {
                 // Add missing items to the DOM.
                 var items = this.model.get('value_names');
                 var disabled = this.model.get('disabled');
                 var that = this;
                 var item_html;
                 _.each(items, function(item, index) {
                     if (item.trim().length == 0) {
                         item_html = "&nbsp;";
                     } else {
                         item_html = utils.escape_html(item);
                     }
                     var item_query = '[data-value="' + item + '"]';
                     var $item_element = that.$buttongroup.find(item_query);
                     if (!$item_element.length) {
                         $item_element = $('<button/>')
                             .attr('type', 'button')
                             .addClass('btn btn-default')
                             .html(item_html)
                             .appendTo(that.$buttongroup)
                             .attr('data-value', item)
                             .on('click', $.proxy(that.handle_click, that));
-                        that._update_button_style($item_element);
+                        that.update_style_traits($item_element);
                     }
                     if (that.model.get('value_name') == item) {
                         $item_element.addClass('active');
                     } else {
                         $item_element.removeClass('active');
                     }
                     $item_element.prop('disabled', disabled); 
                 });
                 
                 // Remove items that no longer exist.
                 this.$buttongroup.find('button').each(function(i, obj) {
                     var value = $(obj).data('value');
                     var found = false;
                     _.each(items, function(item, index) {
                         if (item == value) {
                             found = true;
                             return false;
                         }
                     });
 
                     if (!found) {
                         $(obj).remove();
                     }
                 });
 
                 var description = this.model.get('description');
                 if (description.length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
             }
             return ToggleButtonsView.__super__.update.apply(this);
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this._css_state[name] = value;
-            this._update_button_style();
+            this.update_style_traits();
         },
 
-        _update_button_style: function(button) {
+        update_style_traits: function(button) {
             for (var name in this._css_state) {
-                if (this._css_state.hasOwnProperty(name) && name != 'width') {
+                if (this._css_state.hasOwnProperty(name)) {
+                    if (name == 'margin') {
+                        this.$buttongroup.css(name, this._css_state[name]);
+                    } else if (name != 'width') {
                     if (button) {
                         button.css(name, this._css_state[name]);
                     } else {
-                        this.$buttongroup.find('button').each(function(i, obj) {
-                            $(obj).css(name, this._css_state[name]);
-                        });
+                            this.$buttongroup.find('button').css(name, this._css_state[name]);
+                        }
                     }   
                 }
             }
         },
 
+        update_button_style: function(previous_trait_value) {
+            var class_map = {
+                primary: ['btn-primary'],
+                success: ['btn-success'],
+                info: ['btn-info'],
+                warning: ['btn-warning'],
+                danger: ['btn-danger']
+            };
+            this.update_mapped_classes(class_map, 'button_style', previous_trait_value, this.$buttongroup.find('button'));
+        },
+
         handle_click: function (e) {
             // Handle when a value is clicked.
             
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             this.model.set('value_name', $(e.target).data('value'), {updated_view: this});
             this.touch();
         },    
     });
     
 
     var SelectView = widget.DOMWidgetView.extend({    
         render : function(){
             // Called when view is rendered.
             this.$el
                 .addClass('widget-hbox');
             this.$label = $('<div />')
                 .appendTo(this.$el)
                 .addClass('widget-hlabel')
                 .hide();
             this.$listbox = $('<select />')
                 .addClass('widget-listbox form-control')
                 .attr('size', 6)
                 .appendTo(this.$el);
             this.update();
         },
         
         update : function(options){
             // Update the contents of this view
             //
             // Called when the model is changed.  The model may have been 
             // changed by another view or by a state update from the back-end.
             if (options === undefined || options.updated_view != this) {
                 // Add missing items to the DOM.
                 var items = this.model.get('value_names');
                 var that = this;
                 _.each(items, function(item, index) {
                    var item_query = ' :contains("' + item + '")';
                     if (that.$listbox.find(item_query).length === 0) {
                         $('<option />')
                             .text(item)
                             .attr('value_name', item)
                             .appendTo(that.$listbox)
                             .on('click', $.proxy(that.handle_click, that));
                     } 
                 });
 
                 // Select the correct element
                 this.$listbox.val(this.model.get('value_name'));
                 
                 // Disable listbox if needed
                 var disabled = this.model.get('disabled');
                 this.$listbox.prop('disabled', disabled);
 
                 // Remove items that no longer exist.
                 this.$listbox.find('option').each(function(i, obj) {
                     var value = $(obj).text();
                     var found = false;
                     _.each(items, function(item, index) {
                         if (item == value) {
                             found = true;
                             return false;
                         }
                     });
                     
                     if (!found) {
                         $(obj).remove();
                     }
                 });
 
                 var description = this.model.get('description');
                 if (description.length === 0) {
                     this.$label.hide();
                 } else {
                     this.$label.text(description);
                     MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
                     this.$label.show();
                 }
             }
             return SelectView.__super__.update.apply(this);
         },
 
         update_attr: function(name, value) {
             // Set a css attr of the widget view.
             this.$listbox.css(name, value);
         },
 
         handle_click: function (e) {
             // Handle when a value is clicked.
             
             // Calling model.set will trigger all of the other views of the 
             // model to update.
             this.model.set('value_name', $(e.target).text(), {updated_view: this});
             this.touch();
         },    
     });
     
     return {
         'DropdownView': DropdownView,
         'RadioButtonsView': RadioButtonsView,
         'ToggleButtonsView': ToggleButtonsView,
         'SelectView': SelectView,
     };
 });

IPython/html/widgets/widget_bool.py

@@ -1,43 +1,48 b''
 """Bool class.  
 
 Represents a boolean using a widget.
 """
 #-----------------------------------------------------------------------------
 # Copyright (c) 2013, the IPython Development Team.
 #
 # Distributed under the terms of the Modified BSD License.
 #
 # The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 from .widget import DOMWidget
 from IPython.utils.traitlets import Unicode, Bool
 from IPython.utils.warn import DeprecatedClass
 
 #-----------------------------------------------------------------------------
 # Classes
 #-----------------------------------------------------------------------------
 class _Bool(DOMWidget):
     """A base class for creating widgets that represent booleans."""
     value = Bool(False, help="Bool value", sync=True)
     description = Unicode('', help="Description of the boolean (label).", sync=True)
     disabled = Bool(False, help="Enable or disable user changes.", sync=True)
 
 
 class Checkbox(_Bool):
     """Displays a boolean `value`."""
     _view_name = Unicode('CheckboxView', sync=True)
 
 
 class ToggleButton(_Bool):
     """Displays a boolean `value`."""
     
     _view_name = Unicode('ToggleButtonView', sync=True)
 
+    button_style = CaselessStrEnum(
+        values=['primary', 'success', 'info', 'warning', 'danger', ''], 
+        default_value='', allow_none=True, sync=True, help="""Use a
+        predefined styling for the button.""")
+
 
 # Remove in IPython 4.0
 CheckboxWidget = DeprecatedClass(Checkbox, 'CheckboxWidget')
 ToggleButtonWidget = DeprecatedClass(ToggleButton, 'ToggleButtonWidget')

IPython/html/widgets/widget_box.py

@@ -1,83 +1,88 b''
 """Box class.  
 
 Represents a container that can be used to group other widgets.
 """
 
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 
 from .widget import DOMWidget
 from IPython.utils.traitlets import Unicode, Tuple, TraitError, Int, CaselessStrEnum
 from IPython.utils.warn import DeprecatedClass
 
 class Box(DOMWidget):
     """Displays multiple widgets in a group."""
     _view_name = Unicode('BoxView', sync=True)
 
     # Child widgets in the container.
     # Using a tuple here to force reassignment to update the list.
     # When a proper notifying-list trait exists, that is what should be used here.
     children = Tuple(sync=True, allow_none=False)
     
     _overflow_values = ['visible', 'hidden', 'scroll', 'auto', 'initial', 'inherit', '']
     overflow_x = CaselessStrEnum(
         values=_overflow_values, 
         default_value='', allow_none=False, sync=True, help="""Specifies what
         happens to content that is too large for the rendered region.""")
     overflow_y = CaselessStrEnum(
         values=_overflow_values, 
         default_value='', allow_none=False, sync=True, help="""Specifies what
         happens to content that is too large for the rendered region.""")
 
+    box_style = CaselessStrEnum(
+        values=['success', 'info', 'warning', 'danger', ''], 
+        default_value='', allow_none=True, sync=True, help="""Use a
+        predefined styling for the box.""")
+
     def __init__(self, children = (), **kwargs):
         kwargs['children'] = children
         super(Box, self).__init__(**kwargs)
         self.on_displayed(Box._fire_children_displayed)
 
     def _fire_children_displayed(self):
         for child in self.children:
             child._handle_displayed()
 
 
 class Popup(Box):
     """Displays multiple widgets in an in page popup div."""
     _view_name = Unicode('PopupView', sync=True)
     
     description = Unicode(sync=True)
     button_text = Unicode(sync=True)
 
 
 class FlexBox(Box):
     """Displays multiple widgets using the flexible box model."""
     _view_name = Unicode('FlexBoxView', sync=True)
     orientation = CaselessStrEnum(values=['vertical', 'horizontal'], default_value='vertical', sync=True)
     flex = Int(0, sync=True, help="""Specify the flexible-ness of the model.""")
     def _flex_changed(self, name, old, new):
         new = min(max(0, new), 2)
         if self.flex != new:
             self.flex = new
 
     _locations = ['start', 'center', 'end', 'baseline', 'stretch']
     pack = CaselessStrEnum(
         values=_locations, 
         default_value='start', allow_none=False, sync=True)
     align = CaselessStrEnum(
         values=_locations, 
         default_value='start', allow_none=False, sync=True)
 
 
 def VBox(*pargs, **kwargs):
     """Displays multiple widgets vertically using the flexible box model."""
     kwargs['orientation'] = 'vertical'
     return FlexBox(*pargs, **kwargs)
 
 def HBox(*pargs, **kwargs):
     """Displays multiple widgets horizontally using the flexible box model."""
     kwargs['orientation'] = 'horizontal'
     return FlexBox(*pargs, **kwargs)
 
 
 # Remove in IPython 4.0
 ContainerWidget = DeprecatedClass(Box, 'ContainerWidget')
 PopupWidget = DeprecatedClass(Popup, 'PopupWidget')
 

IPython/html/widgets/widget_button.py

@@ -1,65 +1,70 b''
 """Button class.  
 
 Represents a button in the frontend using a widget.  Allows user to listen for
 click events on the button and trigger backend code when the clicks are fired.
 """
 #-----------------------------------------------------------------------------
 # Copyright (c) 2013, the IPython Development Team.
 #
 # Distributed under the terms of the Modified BSD License.
 #
 # The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 from .widget import DOMWidget, CallbackDispatcher
 from IPython.utils.traitlets import Unicode, Bool
 from IPython.utils.warn import DeprecatedClass
 
 #-----------------------------------------------------------------------------
 # Classes
 #-----------------------------------------------------------------------------
 class Button(DOMWidget):
     """Button widget.
 
     This widget has an `on_click` method that allows you to listen for the 
     user clicking on the button.  The click event itself is stateless."""
     _view_name = Unicode('ButtonView', sync=True)
 
     # Keys
     description = Unicode('', help="Description of the button (label).", sync=True)
     disabled = Bool(False, help="Enable or disable user changes.", sync=True)
     
+    button_style = CaselessStrEnum(
+        values=['primary', 'success', 'info', 'warning', 'danger', ''], 
+        default_value='', allow_none=True, sync=True, help="""Use a
+        predefined styling for the button.""")
+    
     def __init__(self, **kwargs):
         """Constructor"""
         super(Button, self).__init__(**kwargs)
         self._click_handlers = CallbackDispatcher()
         self.on_msg(self._handle_button_msg)
 
     def on_click(self, callback, remove=False):
         """Register a callback to execute when the button is clicked.
 
         The callback will be called with one argument,
         the clicked button widget instance.
 
         Parameters
         ----------
         remove : bool (optional)
             Set to true to remove the callback from the list of callbacks."""
         self._click_handlers.register_callback(callback, remove=remove)
 
     def _handle_button_msg(self, _, content):
         """Handle a msg from the front-end.
 
         Parameters
         ----------
         content: dict
             Content of the msg."""
         if content.get('event', '') == 'click':
             self._click_handlers(self)
 
 
 # Remove in IPython 4.0
 ButtonWidget = DeprecatedClass(Button, 'ButtonWidget')

IPython/html/widgets/widget_selection.py

@@ -1,139 +1,144 b''
 """Selection classes.
 
 Represents an enumeration using a widget.
 """
 #-----------------------------------------------------------------------------
 # Copyright (c) 2013, the IPython Development Team.
 #
 # Distributed under the terms of the Modified BSD License.
 #
 # The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 from collections import OrderedDict
 from threading import Lock
 
 from .widget import DOMWidget
 from IPython.utils.traitlets import Unicode, List, Bool, Any, Dict, TraitError
 from IPython.utils.py3compat import unicode_type
 from IPython.utils.warn import DeprecatedClass
 
 #-----------------------------------------------------------------------------
 # SelectionWidget
 #-----------------------------------------------------------------------------
 class _Selection(DOMWidget):
     """Base class for Selection widgets
     
     ``values`` can be specified as a list or dict. If given as a list,
     it will be transformed to a dict of the form ``{str(value):value}``.
     """
     
     value = Any(help="Selected value")
     values = Dict(help="""Dictionary of {name: value} the user can select.
     
     The keys of this dictionary are the strings that will be displayed in the UI,
     representing the actual Python choices.
     
     The keys of this dictionary are also available as value_names.
     """)
     value_name = Unicode(help="The name of the selected value", sync=True)
     value_names = List(Unicode, help="""Read-only list of names for each value.
         
         If values is specified as a list, this is the string representation of each element.
         Otherwise, it is the keys of the values dictionary.
         
         These strings are used to display the choices in the front-end.""", sync=True)
     disabled = Bool(False, help="Enable or disable user changes", sync=True)
     description = Unicode(help="Description of the value this widget represents", sync=True)
     
 
     def __init__(self, *args, **kwargs):
         self.value_lock = Lock()
         self._in_values_changed = False
         if 'values' in kwargs:
             values = kwargs['values']
             # convert list values to an dict of {str(v):v}
             if isinstance(values, list):
                 # preserve list order with an OrderedDict
                 kwargs['values'] = OrderedDict((unicode_type(v), v) for v in values)
             # python3.3 turned on hash randomization by default - this means that sometimes, randomly
             # we try to set value before setting values, due to dictionary ordering.  To fix this, force
             # the setting of self.values right now, before anything else runs
             self.values = kwargs.pop('values')
         DOMWidget.__init__(self, *args, **kwargs)
     
     def _values_changed(self, name, old, new):
         """Handles when the values dict has been changed.
 
         Setting values implies setting value names from the keys of the dict.
         """
         self._in_values_changed = True
         try:
             self.value_names = list(new.keys())
         finally:
             self._in_values_changed = False
         
         # ensure that the chosen value is one of the choices
         if self.value not in new.values():
             self.value = next(iter(new.values()))
     
     def _value_names_changed(self, name, old, new):
         if not self._in_values_changed:
             raise TraitError("value_names is a read-only proxy to values.keys(). Use the values dict instead.")
 
     def _value_changed(self, name, old, new):
         """Called when value has been changed"""
         if self.value_lock.acquire(False):
             try:
                 # Reverse dictionary lookup for the value name
                 for k,v in self.values.items():
                     if new == v:
                         # set the selected value name
                         self.value_name = k
                         return
                 # undo the change, and raise KeyError
                 self.value = old
                 raise KeyError(new)
             finally:
                 self.value_lock.release()
 
     def _value_name_changed(self, name, old, new):
         """Called when the value name has been changed (typically by the frontend)."""
         if self.value_lock.acquire(False):
             try:
                 self.value = self.values[new]
             finally:
                 self.value_lock.release()
 
 
 class ToggleButtons(_Selection):
     """Group of toggle buttons that represent an enumeration.  Only one toggle
     button can be toggled at any point in time.""" 
     _view_name = Unicode('ToggleButtonsView', sync=True)
 
+    button_style = CaselessStrEnum(
+        values=['primary', 'success', 'info', 'warning', 'danger', ''], 
+        default_value='', allow_none=True, sync=True, help="""Use a
+        predefined styling for the buttons.""")
+
 
 class Dropdown(_Selection):
     """Allows you to select a single item from a dropdown."""
     _view_name = Unicode('DropdownView', sync=True)
 
 
 class RadioButtons(_Selection):
     """Group of radio buttons that represent an enumeration.  Only one radio
     button can be toggled at any point in time.""" 
     _view_name = Unicode('RadioButtonsView', sync=True)
     
 
 class Select(_Selection):
     """Listbox that only allows one item to be selected at any given time."""
     _view_name = Unicode('SelectView', sync=True)
 
 
 # Remove in IPython 4.0
 ToggleButtonsWidget = DeprecatedClass(ToggleButtons, 'ToggleButtonsWidget')
 DropdownWidget = DeprecatedClass(Dropdown, 'DropdownWidget')
 RadioButtonsWidget = DeprecatedClass(RadioButtons, 'RadioButtonsWidget')
 SelectWidget = DeprecatedClass(Select, 'SelectWidget')