Files
edx-platform/cms/static/js/views/xblock_container.js
2014-04-09 10:32:11 -04:00

95 lines
3.6 KiB
JavaScript

/**
* XBlockContainerView is used to display an xblock which has children, and allows the
* user to interact with the children.
*/
define(["jquery", "underscore", "js/views/baseview", "js/views/xblock", "js/views/modals/edit_xblock"],
function ($, _, BaseView, XBlockView, EditXBlockModal) {
var XBlockContainerView = BaseView.extend({
// takes XBlockInfo as a model
view: 'container_preview',
initialize: function() {
BaseView.prototype.initialize.call(this);
this.noContentElement = this.$('.no-container-content');
this.xblockView = new XBlockView({
el: this.$('.wrapper-xblock'),
model: this.model,
view: this.view
});
},
render: function(options) {
var self = this,
noContentElement = this.noContentElement,
xblockView = this.xblockView,
loadingElement = this.$('.ui-loading');
loadingElement.removeClass('is-hidden');
// Hide both blocks until we know which one to show
noContentElement.addClass('is-hidden');
xblockView.$el.addClass('is-hidden');
// Add actions to any root buttons
self.addButtonActions(this.$el);
// Render the xblock
xblockView.render({
success: function(xblock) {
if (xblockView.hasChildXBlocks()) {
xblockView.$el.removeClass('is-hidden');
self.addButtonActions(xblockView.$el);
} else {
noContentElement.removeClass('is-hidden');
}
loadingElement.addClass('is-hidden');
self.delegateEvents();
}
});
},
findXBlockElement: function(target) {
return $(target).closest('[data-locator]');
},
addButtonActions: function(element) {
var self = this;
element.find('.edit-button').click(function(event) {
var modal,
target = event.target,
xblockElement = self.findXBlockElement(target);
event.preventDefault();
modal = new EditXBlockModal({
el: $('.edit-xblock-modal')
});
modal.edit(xblockElement, self.model,
{
refresh: function(xblockInfo) {
self.refreshXBlock(xblockInfo, xblockElement);
}
});
});
},
refreshXBlock: function(xblockInfo, xblockElement) {
var self = this,
temporaryView;
// Create a temporary view to render the updated XBlock into
temporaryView = new XBlockView({
el: xblockElement,
model: xblockInfo,
view: this.view
});
temporaryView.render({
success: function() {
temporaryView.unbind(); // Remove the temporary view
self.addButtonActions(xblockElement);
}
});
}
});
return XBlockContainerView;
}); // end define();