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