|
|
//----------------------------------------------------------------------------
|
|
|
// Copyright (C) 2013 The IPython Development Team
|
|
|
//
|
|
|
// Distributed under the terms of the BSD License. The full license is in
|
|
|
// the file COPYING, distributed as part of this software.
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
|
|
//============================================================================
|
|
|
// IntWidget
|
|
|
//============================================================================
|
|
|
|
|
|
/**
|
|
|
* @module IPython
|
|
|
* @namespace IPython
|
|
|
**/
|
|
|
|
|
|
define(["widgets/js/widget"], function(WidgetManager){
|
|
|
|
|
|
var IntSliderView = IPython.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.$el_to_style = this.$slider_container; // Set default element to style
|
|
|
this.$el.append(this.$slider_container);
|
|
|
|
|
|
this.$readout = $('<div/>')
|
|
|
.appendTo(this.$el)
|
|
|
.addClass('widget-hreadout')
|
|
|
.hide();
|
|
|
|
|
|
// 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) {
|
|
|
// 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;
|
|
|
_.each(jquery_slider_keys, function(key, i) {
|
|
|
var model_value = that.model.get(key);
|
|
|
if (model_value !== undefined) {
|
|
|
that.$slider.slider("option", key, model_value);
|
|
|
}
|
|
|
});
|
|
|
|
|
|
// WORKAROUND FOR JQUERY SLIDER BUG.
|
|
|
// The horizontal position of the slider handle
|
|
|
// depends on the value of the slider at the time
|
|
|
// of orientation change. Before applying the new
|
|
|
// workaround, we set the value to the minimum to
|
|
|
// make sure that the horizontal placement of the
|
|
|
// handle in the vertical slider is always
|
|
|
// consistent.
|
|
|
var orientation = this.model.get('orientation');
|
|
|
var value = this.model.get('min');
|
|
|
this.$slider.slider('option', 'value', value);
|
|
|
this.$slider.slider('option', 'orientation', orientation);
|
|
|
value = this.model.get('value');
|
|
|
this.$slider.slider('option', 'value', value);
|
|
|
this.$readout.text(value);
|
|
|
|
|
|
// Use the right CSS classes for vertical & horizontal sliders
|
|
|
if (orientation=='vertical') {
|
|
|
this.$slider_container
|
|
|
.removeClass('widget-hslider')
|
|
|
.addClass('widget-vslider');
|
|
|
this.$el
|
|
|
.removeClass('widget-hbox-single')
|
|
|
.addClass('widget-vbox-single');
|
|
|
this.$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.$el
|
|
|
.removeClass('widget-vbox-single')
|
|
|
.addClass('widget-hbox-single');
|
|
|
this.$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.$label.text(description);
|
|
|
this.$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.
|
|
|
var actual_value = this._validate_slide_value(ui.value);
|
|
|
this.model.set('value', actual_value, {updated_view: this});
|
|
|
this.$readout.text(actual_value);
|
|
|
this.touch();
|
|
|
},
|
|
|
|
|
|
_validate_slide_value: function(x) {
|
|
|
// Validate the value of the slider before sending it to the back-end
|
|
|
// and applying it to the other views on the page.
|
|
|
|
|
|
// Double bit-wise not truncates the decimel (int cast).
|
|
|
return ~~x;
|
|
|
},
|
|
|
});
|
|
|
WidgetManager.register_widget_view('IntSliderView', IntSliderView);
|
|
|
|
|
|
|
|
|
var IntTextView = IPython.DOMWidgetView.extend({
|
|
|
render : function(){
|
|
|
// Called when view is rendered.
|
|
|
this.$el
|
|
|
.addClass('widget-hbox-single');
|
|
|
this.$label = $('<div />')
|
|
|
.appendTo(this.$el)
|
|
|
.addClass('widget-hlabel')
|
|
|
.hide();
|
|
|
this.$textbox = $('<input type="text" />')
|
|
|
.addClass('input')
|
|
|
.addClass('widget-numeric-text')
|
|
|
.appendTo(this.$el);
|
|
|
this.$el_to_style = this.$textbox; // Set default element to style
|
|
|
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);
|
|
|
this.$label.show();
|
|
|
}
|
|
|
}
|
|
|
return IntTextView.__super__.update.apply(this);
|
|
|
},
|
|
|
|
|
|
events: {
|
|
|
// Dictionary of events and their handlers.
|
|
|
"keyup input" : "handleChanging",
|
|
|
"paste input" : "handleChanging",
|
|
|
"cut input" : "handleChanging",
|
|
|
|
|
|
// Fires only when control is validated or looses focus.
|
|
|
"change input" : "handleChanged"
|
|
|
},
|
|
|
|
|
|
handleChanging: function(e) {
|
|
|
// Handles and validates user input.
|
|
|
|
|
|
// Try to parse value as a int.
|
|
|
var numericalValue = 0;
|
|
|
if (e.target.value !== '') {
|
|
|
numericalValue = this._parse_value(e.target.value);
|
|
|
}
|
|
|
|
|
|
// If parse failed, reset value to value stored in model.
|
|
|
if (isNaN(numericalValue)) {
|
|
|
e.target.value = this.model.get('value');
|
|
|
} else if (!isNaN(numericalValue)) {
|
|
|
if (this.model.get('max') !== undefined) {
|
|
|
numericalValue = Math.min(this.model.get('max'), numericalValue);
|
|
|
}
|
|
|
if (this.model.get('min') !== undefined) {
|
|
|
numericalValue = Math.max(this.model.get('min'), numericalValue);
|
|
|
}
|
|
|
|
|
|
// Apply the value if it has changed.
|
|
|
if (numericalValue != this.model.get('value')) {
|
|
|
|
|
|
// Calling model.set will trigger all of the other views of the
|
|
|
// model to update.
|
|
|
this.model.set('value', numericalValue, {updated_view: this});
|
|
|
this.touch();
|
|
|
}
|
|
|
}
|
|
|
},
|
|
|
|
|
|
handleChanged: function(e) {
|
|
|
// Applies validated input.
|
|
|
if (this.model.get('value') != e.target.value) {
|
|
|
e.target.value = this.model.get('value');
|
|
|
}
|
|
|
},
|
|
|
|
|
|
_parse_value: function(value) {
|
|
|
// Parse the value stored in a string.
|
|
|
return parseInt(value);
|
|
|
},
|
|
|
});
|
|
|
WidgetManager.register_widget_view('IntTextView', IntTextView);
|
|
|
|
|
|
|
|
|
var ProgressView = IPython.DOMWidgetView.extend({
|
|
|
render : function(){
|
|
|
// Called when view is rendered.
|
|
|
this.$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.$el_to_style = this.$progress; // Set default element to style
|
|
|
this.$bar = $('<div />')
|
|
|
.addClass('bar')
|
|
|
.css('width', '50%')
|
|
|
.appendTo(this.$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.$label.text(description);
|
|
|
this.$label.show();
|
|
|
}
|
|
|
return ProgressView.__super__.update.apply(this);
|
|
|
},
|
|
|
});
|
|
|
WidgetManager.register_widget_view('ProgressView', ProgressView);
|
|
|
|
|
|
|
|
|
// Return the slider and text views so they can be inheritted to create the
|
|
|
// float versions.
|
|
|
return [IntSliderView, IntTextView];
|
|
|
});
|
|
|
|
