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Add Customizer docs. 

Props ericlewis.
See #33503.

Built from https://develop.svn.wordpress.org/trunk@33911


git-svn-id: http://core.svn.wordpress.org/trunk@33880 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor 2015-09-05 19:53:24 +00:00
parent 102a8aecf8
commit 44dace3487
6 changed files with 170 additions and 28 deletions
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110
wp-admin/js/customize-controls.js
View File

@ -3,13 +3,22 @@
var Container, focus, api = wp.customize;
/**
* A Customizer Setting.
*
* A setting is WordPress data (theme mod, option, menu, etc.) that the user can
* draft changes to in the Customizer.
*
* @see PHP class WP_Customize_Setting.
*
* @class
* @augments wp.customize.Value
* @augments wp.customize.Class
*
* @param options
* - previewer - The Previewer instance to sync with.
* - transport - The transport to use for previewing. Supports 'refresh' and 'postMessage'.
* @param {object} id The Setting ID.
* @param {object} value The initial value of the setting.
* @param {object} options.previewer The Previewer instance to sync with.
* @param {object} options.transport The transport to use for previewing. Supports 'refresh' and 'postMessage'.
* @param {object} options.dirty
*/
api.Setting = api.Value.extend({
initialize: function( id, value, options ) {
@ -19,8 +28,13 @@
this.transport = this.transport || 'refresh';
this._dirty = options.dirty || false;
// Whenever the setting's value changes, refresh the preview.
this.bind( this.preview );
},
/**
* Refresh the preview, respective of the setting's refresh policy.
*/
preview: function() {
switch ( this.transport ) {
case 'refresh':
@ -270,10 +284,9 @@
},
/**
* Handle changes to the active state.
* Active state change handler.
*
* This does not change the active state, it merely handles the behavior
* for when it does change.
* Shows the container if it is active, hides it if not.
*
* To override by subclass, update the container's UI to reflect the provided active state.
*
@ -1347,14 +1360,16 @@
* @class
* @augments wp.customize.Class
*
* @param {string} id Unique identifier for the control instance.
* @param {object} options Options hash for the control instance.
* @param {string} id Unique identifier for the control instance.
* @param {object} options Options hash for the control instance.
* @param {object} options.params
* @param {object} options.params.type Type of control (e.g. text, radio, dropdown-pages, etc.)
* @param {string} options.params.content The HTML content for the control.
* @param {string} options.params.priority Order of priority to show the control within the section.
* @param {object} options.params.type Type of control (e.g. text, radio, dropdown-pages, etc.)
* @param {string} options.params.content The HTML content for the control.
* @param {string} options.params.priority Order of priority to show the control within the section.
* @param {string} options.params.active
* @param {string} options.params.section
* @param {string} options.params.section The ID of the section the control belongs to.
* @param {string} options.params.settings.default The ID of the setting the control relates to.
* @param {string} options.params.settings.data
* @param {string} options.params.label
* @param {string} options.params.description
* @param {string} options.params.instanceNumber Order in which this instance was created in relation to other instances.
@ -1420,7 +1435,10 @@
api.utils.bubbleChildValueChanges( control, [ 'section', 'priority', 'active' ] );
// Associate this control with its settings when they are created
/*
* After all settings related to the control are available,
* make them available on the control and embed the control into the page.
*/
settings = $.map( control.params.settings, function( value ) {
return value;
});
@ -1437,6 +1455,7 @@
control.embed();
}) );
// After the control is embedded on the page, invoke the "ready" method.
control.deferred.embedded.done( function () {
control.ready();
});
@ -2573,6 +2592,9 @@
api.panel = new api.Values({ defaultConstructor: api.Panel });
/**
* An object that fetches a preview in the background of the document, which
* allows for seamless replacement of an existing preview.
*
* @class
* @augments wp.customize.Messenger
* @augments wp.customize.Class
@ -2581,10 +2603,22 @@
api.PreviewFrame = api.Messenger.extend({
sensitivity: 2000,
/**
* Initialize the PreviewFrame.
*
* @param {object} params.container
* @param {object} params.signature
* @param {object} params.previewUrl
* @param {object} params.query
* @param {object} options
*/
initialize: function( params, options ) {
var deferred = $.Deferred();
// This is the promise object.
/*
* Make the instance of the PreviewFrame the promise object
* so other objects can easily interact with it.
*/
deferred.promise( this );
this.container = params.container;
@ -2601,6 +2635,12 @@
this.run( deferred );
},
/**
* Run the preview request.
*
* @param {object} deferred jQuery Deferred object to be resolved with
* the request.
*/
run: function( deferred ) {
var self = this,
loaded = false,
@ -2804,9 +2844,13 @@
refreshBuffer: 250,
/**
* Requires params:
* - container - a selector or jQuery element
* - previewUrl - the URL of preview frame
* @param {array} params.allowedUrls
* @param {string} params.container A selector or jQuery element for the preview
* frame to be placed.
* @param {string} params.form
* @param {string} params.previewUrl The URL to preview.
* @param {string} params.signature
* @param {object} options
*/
initialize: function( params, options ) {
var self = this,
@ -2919,6 +2963,11 @@
} );
},
/**
* Query string data sent with each preview request.
*
* @abstract
*/
query: function() {},
abort: function() {
@ -2928,6 +2977,9 @@
}
},
/**
* Refresh the preview.
*/
refresh: function() {
var self = this;
@ -3140,6 +3192,11 @@
nonce: api.settings.nonce,
/**
* Build the query to send along with the Preview request.
*
* @return {object}
*/
query: function() {
var dirtyCustomized = {};
api.each( function ( value, key ) {
@ -3467,14 +3524,21 @@
} );
}
// Create a potential postMessage connection with the parent frame.
/*
* Create a postMessage connection with a parent frame,
* in case the Customizer frame was opened with the Customize loader.
*
* @see wp.customize.Loader
*/
parent = new api.Messenger({
url: api.settings.url.parent,
channel: 'loader'
});
// If we receive a 'back' event, we're inside an iframe.
// Send any clicks to the 'Return' link to the parent page.
/*
* If we receive a 'back' event, we're inside an iframe.
* Send any clicks to the 'Return' link to the parent page.
*/
parent.bind( 'back', function() {
closeBtn.on( 'click.customize-controls-close', function( event ) {
event.preventDefault();
@ -3499,8 +3563,10 @@
});
} );
// When activated, let the loader handle redirecting the page.
// If no loader exists, redirect the page ourselves (if a url exists).
/*
* When activated, let the loader handle redirecting the page.
* If no loader exists, redirect the page ourselves (if a url exists).
*/
api.bind( 'activated', function() {
if ( parent.targetWindow() )
parent.send( 'activated', api.settings.url.activated );

8
wp-includes/class-wp-customize-setting.php
View File

@ -24,6 +24,8 @@ class WP_Customize_Setting {
public $manager;
/**
* Unique string identifier for the setting.
*
* @access public
* @var string
*/
@ -74,6 +76,9 @@ class WP_Customize_Setting {
*/
public $dirty = false;
/**
* @var array
*/
protected $id_data = array();
/**
@ -148,7 +153,8 @@ class WP_Customize_Setting {
protected $_original_value;
/**
* Handle previewing the setting.
* Set up filters for the setting so that the preview request
* will render the drafted changes.
*
* @since 3.4.0
*/

68
wp-includes/js/customize-base.js
View File

@ -78,7 +78,9 @@ window.wp = window.wp || {};
/*
* If the class has a method called "instance",
* the return value from the class' constructor will be a function that
* calls invoked, along with all the object properties of the class.
* calls the "instance" method.
*
* It is also an object that has properties and methods inside it.
*/
if ( this.instance ) {
magic = function() {
@ -166,6 +168,10 @@ window.wp = window.wp || {};
* @constuctor
*/
api.Value = api.Class.extend({
/**
* @param {mixed} initial The initial value.
* @param {object} options
*/
initialize: function( initial, options ) {
this._value = initial; // @todo: potentially change this to a this.set() call.
this.callbacks = $.Callbacks();
@ -184,10 +190,20 @@ window.wp = window.wp || {};
return arguments.length ? this.set.apply( this, arguments ) : this.get();
},
/**
* Get the value.
*
* @return {mixed}
*/
get: function() {
return this._value;
},
/**
* Set the value and trigger all bound callbacks.
*
* @param {object} to New value.
*/
set: function( to ) {
var from = this._value;
@ -230,11 +246,21 @@ window.wp = window.wp || {};
return value;
},
/**
* Bind a function to be invoked whenever the value changes.
*
* @param {...Function} A function, or multiple functions, to add to the callback stack.
*/
bind: function() {
this.callbacks.add.apply( this.callbacks, arguments );
return this;
},
/**
* Unbind a previously bound function.
*
* @param {...Function} A function, or multiple functions, to remove from the callback stack.
*/
unbind: function() {
this.callbacks.remove.apply( this.callbacks, arguments );
return this;
@ -283,6 +309,12 @@ window.wp = window.wp || {};
* @mixes wp.customize.Events
*/
api.Values = api.Class.extend({
/**
* The default constructor for items of the collection.
*
* @type {object}
*/
defaultConstructor: api.Value,
initialize: function( options ) {
@ -347,6 +379,8 @@ window.wp = window.wp || {};
this._value[ id ] = value;
value.parent = this;
// Propagate a 'change' event on an item up to the collection.
if ( value.extended( api.Value ) )
value.bind( this._change );
@ -372,6 +406,12 @@ window.wp = window.wp || {};
return this.add( id, new this.defaultConstructor( api.Class.applicator, slice.call( arguments, 1 ) ) );
},
/**
* Iterate over all items in the collection invoking the provided callback.
*
* @param {Function} callback Function to invoke.
* @param {object} context Object context to invoke the function with. Optional.
*/
each: function( callback, context ) {
context = typeof context === 'undefined' ? this : context;
@ -453,11 +493,16 @@ window.wp = window.wp || {};
return dfd.promise();
},
/**
* A helper function to propagate a 'change' event from an item
* to the collection itself.
*/
_change: function() {
this.parent.trigger( 'change', this );
}
});
// Create a global events bus on the Customizer.
$.extend( api.Values.prototype, api.Events );
@ -570,7 +615,7 @@ window.wp = window.wp || {};
$.support.postMessage = !! window.postMessage;
/**
* Messenger for postMessage.
* A communicator for sending data from one window to another over postMessage.
*
* @constuctor
* @augments wp.customize.Class
@ -649,6 +694,11 @@ window.wp = window.wp || {};
$( window ).off( 'message', this.receive );
},
/**
* Receive data from the other window.
*
* @param {jQuery.Event} event Event with embedded data.
*/
receive: function( event ) {
var message;
@ -679,6 +729,12 @@ window.wp = window.wp || {};
this.trigger( message.id, message.data );
},
/**
* Send data to the other window.
*
* @param {string} id The event name.
* @param {object} data Data.
*/
send: function( id, data ) {
var message;
@ -698,8 +754,14 @@ window.wp = window.wp || {};
// Add the Events mixin to api.Messenger.
$.extend( api.Messenger.prototype, api.Events );
// Core customize object.
// The main API object is also a collection of all customizer settings.
api = $.extend( new api.Values(), api );
/**
* Get all customize settings.
*
* @return {object}
*/
api.get = function() {
var result = {};

6
wp-includes/js/customize-loader.js
View File

@ -115,7 +115,11 @@ window.wp = window.wp || {};
this.active = true;
this.body.addClass('customize-loading');
// Dirty state of Customizer in iframe
/*
* Track the dirtiness state (whether the drafted changes have been published)
* of the Customizer in the iframe. This is used to decide whether to display
* an AYS alert if the user tries to close the window before saving changes.
*/
this.saved = new api.Value( true );
this.iframe = $( '<iframe />', { 'src': src, 'title': Loader.settings.l10n.mainIframeTitle } ).appendTo( this.element );

4
wp-includes/js/customize-preview.js
View File

@ -111,6 +111,10 @@
api.preview.send( 'documentTitle', document.title );
});
/*
* Send a message to the parent customize frame with a list of which
* containers and controls are active.
*/
api.preview.send( 'ready', {
activePanels: api.settings.activePanels,
activeSections: api.settings.activeSections,

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.4-alpha-33910';
$wp_version = '4.4-alpha-33911';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.