##// END OF EJS Templates
handle the new status messages in IPython.parallel...
handle the new status messages in IPython.parallel avoids creating implicit tasks in the Client’s metadata and Hub’s task db when status messages arrive.

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widget_selection.js
380 lines | 14.9 KiB | application/javascript | JavascriptLexer
// Copyright (c) IPython Development Team.
// Distributed under the terms of the Modified BSD License.
define([
"widgets/js/widget",
"base/js/utils",
"jquery",
"components/bootstrap/js/bootstrap.min",
], 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.$el_to_style = this.$buttongroup; // Set default element to style
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);
// 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');
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);
},
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.$el_to_style = this.$container; // Set default element to 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;
_.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);
},
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', $(e.target).val(), {updated_view: this});
this.touch();
},
});
var ToggleButtonsView = widget.DOMWidgetView.extend({
render : function(){
// Called when view is rendered.
this.$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.$el_to_style = this.$buttongroup; // Set default element to 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));
}
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);
},
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.$el_to_style = this.$listbox; // Set default element to 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 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);
},
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,
};
});