/**
* @output wp-includes/js/customize-views.js
*/
(function( $, wp, _ ) {
if ( ! wp || ! wp.customize ) { return; }
var api = wp.customize;
/**
* wp.customize.HeaderTool.CurrentView
*
* Displays the currently selected header image, or a placeholder in lack
* thereof.
*
* Instantiate with model wp.customize.HeaderTool.currentHeader.
*
* @memberOf wp.customize.HeaderTool
* @alias wp.customize.HeaderTool.CurrentView
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.CurrentView = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.CurrentView.prototype */{
template: wp.template('header-current'),
initialize: function() {
this.listenTo(this.model, 'change', this.render);
this.render();
},
render: function() {
this.$el.html(this.template(this.model.toJSON()));
this.setButtons();
return this;
},
setButtons: function() {
var elements = $('#customize-control-header_image .actions .remove');
if (this.model.get('choice')) {
elements.show();
} else {
elements.hide();
}
}
});
/**
* wp.customize.HeaderTool.ChoiceView
*
* Represents a choosable header image, be it user-uploaded,
* theme-suggested or a special Randomize choice.
*
* Takes a wp.customize.HeaderTool.ImageModel.
*
* Manually changes model wp.customize.HeaderTool.currentHeader via the
* `select` method.
*
* @memberOf wp.customize.HeaderTool
* @alias wp.customize.HeaderTool.ChoiceView
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.ChoiceView = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.ChoiceView.prototype */{
template: wp.template('header-choice'),
className: 'header-view',
events: {
'click .choice,.random': 'select',
'click .close': 'removeImage'
},
initialize: function() {
var properties = [
this.model.get('header').url,
this.model.get('choice')
];
this.listenTo(this.model, 'change:selected', this.toggleSelected);
if (_.contains(properties, api.get().header_image)) {
api.HeaderTool.currentHeader.set(this.extendedModel());
}
},
render: function() {
this.$el.html(this.template(this.extendedModel()));
this.toggleSelected();
return this;
},
toggleSelected: function() {
this.$el.toggleClass('selected', this.model.get('selected'));
},
extendedModel: function() {
var c = this.model.get('collection');
return _.extend(this.model.toJSON(), {
type: c.type
});
},
select: function() {
this.preventJump();
this.model.save();
api.HeaderTool.currentHeader.set(this.extendedModel());
},
preventJump: function() {
var container = $('.wp-full-overlay-sidebar-content'),
scroll = container.scrollTop();
_.defer(function() {
container.scrollTop(scroll);
});
},
removeImage: function(e) {
e.stopPropagation();
this.model.destroy();
this.remove();
}
});
/**
* wp.customize.HeaderTool.ChoiceListView
*
* A container for ChoiceViews. These choices should be of one same type:
* user-uploaded headers or theme-defined ones.
*
* Takes a wp.customize.HeaderTool.ChoiceList.
*
* @memberOf wp.customize.HeaderTool
* @alias wp.customize.HeaderTool.ChoiceListView
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.ChoiceListView = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.ChoiceListView.prototype */{
initialize: function() {
this.listenTo(this.collection, 'add', this.addOne);
this.listenTo(this.collection, 'remove', this.render);
this.listenTo(this.collection, 'sort', this.render);
this.listenTo(this.collection, 'change', this.toggleList);
this.render();
},
render: function() {
this.$el.empty();
this.collection.each(this.addOne, this);
this.toggleList();
},
addOne: function(choice) {
var view;
choice.set({ collection: this.collection });
view = new api.HeaderTool.ChoiceView({ model: choice });
this.$el.append(view.render().el);
},
toggleList: function() {
var title = this.$el.parents().prev('.customize-control-title'),
randomButton = this.$el.find('.random').parent();
if (this.collection.shouldHideTitle()) {
title.add(randomButton).hide();
} else {
title.add(randomButton).show();
}
}
});
/**
* wp.customize.HeaderTool.CombinedList
*
* Aggregates wp.customize.HeaderTool.ChoiceList collections (or any
* Backbone object, really) and acts as a bus to feed them events.
*
* @memberOf wp.customize.HeaderTool
* @alias wp.customize.HeaderTool.CombinedList
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.CombinedList = wp.Backbone.View.extend(/** @lends wp.customize.HeaderTool.CombinedList.prototype */{
initialize: function(collections) {
this.collections = collections;
this.on('all', this.propagate, this);
},
propagate: function(event, arg) {
_.each(this.collections, function(collection) {
collection.trigger(event, arg);
});
}
});
})( jQuery, window.wp, _ );
في جولة حصرية داخل “الغرفة الزرقاء” بقناة BBC العربية، نكشف كواليس واحدة من أكثر غرف الأخبار تطورًا في العالم.
كيف الذكاء اصطناعي يتحكم بالبث دون تدخل بشري، لتقدم تجربة بصرية مذهلة.
الفيديو يستعرض كيف تمزج BBC بين التقنية والاحتراف لتصنع نشرات إخبارية من قلب المستقبل.