##// END OF EJS Templates
Only send diff message if diff isn't corrupt....
Only send diff message if diff isn't corrupt. Diff will corrupt if more then one model.set(...) call is made before model.save (or view.touch() in our case).

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widget_button.js
60 lines | 2.0 KiB | application/javascript | JavascriptLexer
//----------------------------------------------------------------------------
// 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.
//----------------------------------------------------------------------------
//============================================================================
// ButtonWidget
//============================================================================
/**
* @module IPython
* @namespace IPython
**/
define(["notebook/js/widgets/widget"], function(WidgetManager){
var ButtonView = IPython.DOMWidgetView.extend({
render : function(){
// Called when view is rendered.
this.setElement($("<button />")
.addClass('btn'));
this.update(); // Set defaults.
},
update : function(){
// Update the contents of this view
//
// Called when the model is changed. The model may have been
// changed by another view or by a state update from the back-end.
var description = this.model.get('description');
if (description.length === 0) {
this.$el.text(' '); // 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);
},
events: {
// Dictionary of events and their handlers.
'click': '_handle_click',
},
_handle_click: function(){
// Handles when the button is clicked.
this.send({event: 'click'});
},
});
WidgetManager.register_widget_view('ButtonView', ButtonView);
});