Файл: wordpress/wp-includes/js/customize-views.js
Строк: 196
<?php
(function( $, wp, _ ) {
if ( ! wp || ! wp.customize ) { return; }
var api = wp.customize;
/**
* wp.customize.HeaderTool.CurrentView
*
* Displays the currently selected header image, or a placeholder in lack
* thereof.
*
* Instantiate with model wp.customize.HeaderTool.currentHeader.
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.CurrentView = wp.Backbone.View.extend({
template: wp.template('header-current'),
initialize: function() {
this.listenTo(this.model, 'change', this.render);
this.render();
},
render: function() {
this.$el.html(this.template(this.model.toJSON()));
this.setPlaceholder();
this.setButtons();
return this;
},
getHeight: function() {
var image = this.$el.find('img'),
saved, height, headerImageData;
if (image.length) {
this.$el.find('.inner').hide();
} else {
this.$el.find('.inner').show();
return 40;
}
saved = this.model.get('savedHeight');
height = image.height() || saved;
// happens at ready
if (!height) {
headerImageData = api.get().header_image_data;
if (headerImageData && headerImageData.width && headerImageData.height) {
// hardcoded container width
height = 260 / headerImageData.width * headerImageData.height;
}
else {
// fallback for when no image is set
height = 40;
}
}
return height;
},
setPlaceholder: function(_height) {
var height = _height || this.getHeight();
this.model.set('savedHeight', height);
this.$el
.add(this.$el.find('.placeholder'))
.height(height);
},
setButtons: function() {
var elements = $('#customize-control-header_image .actions .remove');
if (this.model.get('choice')) {
elements.show();
} else {
elements.hide();
}
}
});
/**
* wp.customize.HeaderTool.ChoiceView
*
* Represents a choosable header image, be it user-uploaded,
* theme-suggested or a special Randomize choice.
*
* Takes a wp.customize.HeaderTool.ImageModel.
*
* Manually changes model wp.customize.HeaderTool.currentHeader via the
* `select` method.
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.ChoiceView = wp.Backbone.View.extend({
template: wp.template('header-choice'),
className: 'header-view',
events: {
'click .choice,.random': 'select',
'click .close': 'removeImage'
},
initialize: function() {
var properties = [
this.model.get('header').url,
this.model.get('choice')
];
this.listenTo(this.model, 'change:selected', this.toggleSelected);
if (_.contains(properties, api.get().header_image)) {
api.HeaderTool.currentHeader.set(this.extendedModel());
}
},
render: function() {
this.$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
});
},
getHeight: api.HeaderTool.CurrentView.prototype.getHeight,
setPlaceholder: api.HeaderTool.CurrentView.prototype.setPlaceholder,
select: function() {
this.preventJump();
this.model.save();
api.HeaderTool.currentHeader.set(this.extendedModel());
},
preventJump: function() {
var container = $('.wp-full-overlay-sidebar-content'),
scroll = container.scrollTop();
_.defer(function() {
container.scrollTop(scroll);
});
},
removeImage: function(e) {
e.stopPropagation();
this.model.destroy();
this.remove();
}
});
/**
* wp.customize.HeaderTool.ChoiceListView
*
* A container for ChoiceViews. These choices should be of one same type:
* user-uploaded headers or theme-defined ones.
*
* Takes a wp.customize.HeaderTool.ChoiceList.
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.ChoiceListView = wp.Backbone.View.extend({
initialize: function() {
this.listenTo(this.collection, 'add', this.addOne);
this.listenTo(this.collection, 'remove', this.render);
this.listenTo(this.collection, 'sort', this.render);
this.listenTo(this.collection, 'change', this.toggleList);
this.render();
},
render: function() {
this.$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.
*
* @constructor
* @augments wp.Backbone.View
*/
api.HeaderTool.CombinedList = wp.Backbone.View.extend({
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, _ );
?>