Ghost/core/client/views/base.js

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/*global window, document, Ghost, $, _, Backbone, JST */
(function () {
2013-06-08 06:16:28 +04:00
"use strict";
Ghost.View = Backbone.View.extend({
// Adds a subview to the current view, which will
// ensure its removal when this view is removed,
// or when view.removeSubviews is called
addSubview: function (view) {
if (!(view instanceof Backbone.View)) {
throw new Error("Subview must be a Backbone.View");
}
this.subviews = this.subviews || [];
this.subviews.push(view);
return view;
},
// Removes any subviews associated with this view
// by `addSubview`, which will in-turn remove any
// children of those views, and so on.
removeSubviews: function () {
var i, l, children = this.subviews;
if (!children) {
return this;
}
for (i = 0, l = children.length; i < l; i += 1) {
children[i].remove();
}
this.subviews = [];
return this;
},
// Extends the view's remove, by calling `removeSubviews`
// if any subviews exist.
remove: function () {
if (this.subviews) {
this.removeSubviews();
}
return Backbone.View.prototype.remove.apply(this, arguments);
}
});
Ghost.TemplateView = Ghost.View.extend({
templateName: "widget",
template: function (data) {
return JST[this.templateName](data);
},
templateData: function () {
if (this.model) {
return this.model.toJSON();
}
if (this.collection) {
return this.collection.toJSON();
}
return {};
},
render: function () {
this.$el.html(this.template(this.templateData()));
if (_.isFunction(this.afterRender)) {
this.afterRender();
}
return this;
}
});
}());