##// END OF EJS Templates
on("destroy",...) -> once("destroy",...) so we don't keep a reference to it, preventing gc...
on("destroy",...) -> once("destroy",...) so we don't keep a reference to it, preventing gc Thanks to Sylvain Corlay for the suggestion.

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widget_image.js
44 lines | 1.4 KiB | application/javascript | JavascriptLexer
// Copyright (c) IPython Development Team.
// Distributed under the terms of the Modified BSD License.
define([
"widgets/js/widget",
"jquery",
], function(widget, $){
var ImageView = widget.DOMWidgetView.extend({
render : function(){
// Called when view is rendered.
this.setElement($("<img />"));
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 image_src = 'data:image/' + this.model.get('format') + ';base64,' + this.model.get('_b64value');
this.$el.attr('src', image_src);
var width = this.model.get('width');
if (width !== undefined && width.length > 0) {
this.$el.attr('width', width);
} else {
this.$el.removeAttr('width');
}
var height = this.model.get('height');
if (height !== undefined && height.length > 0) {
this.$el.attr('height', height);
} else {
this.$el.removeAttr('height');
}
return ImageView.__super__.update.apply(this);
},
});
return {
'ImageView': ImageView,
};
});