mirror of
https://github.com/WordPress/WordPress.git
synced 2024-07-10 05:44:57 +02:00
b198c61062
git-svn-id: http://svn.automattic.com/wordpress/trunk@20034 1a063a9b-81f0-0310-95a4-ce76da25c4cd
496 lines
12 KiB
JavaScript
496 lines
12 KiB
JavaScript
if ( typeof wp === 'undefined' )
|
|
var wp = {};
|
|
|
|
(function( exports, $ ){
|
|
var api, extend, ctor, inherits, ready,
|
|
slice = Array.prototype.slice;
|
|
|
|
/* =====================================================================
|
|
* Micro-inheritance - thank you, backbone.js.
|
|
* ===================================================================== */
|
|
|
|
extend = function( protoProps, classProps ) {
|
|
var child = inherits( this, protoProps, classProps );
|
|
child.extend = this.extend;
|
|
return child;
|
|
};
|
|
|
|
// Shared empty constructor function to aid in prototype-chain creation.
|
|
ctor = function() {};
|
|
|
|
// Helper function to correctly set up the prototype chain, for subclasses.
|
|
// Similar to `goog.inherits`, but uses a hash of prototype properties and
|
|
// class properties to be extended.
|
|
inherits = function( parent, protoProps, staticProps ) {
|
|
var child;
|
|
|
|
// The constructor function for the new subclass is either defined by you
|
|
// (the "constructor" property in your `extend` definition), or defaulted
|
|
// by us to simply call `super()`.
|
|
if ( protoProps && protoProps.hasOwnProperty( 'constructor' ) ) {
|
|
child = protoProps.constructor;
|
|
} else {
|
|
child = function() {
|
|
// Storing the result `super()` before returning the value
|
|
// prevents a bug in Opera where, if the constructor returns
|
|
// a function, Opera will reject the return value in favor of
|
|
// the original object. This causes all sorts of trouble.
|
|
var result = parent.apply( this, arguments );
|
|
return result;
|
|
};
|
|
}
|
|
|
|
// Inherit class (static) properties from parent.
|
|
$.extend( child, parent );
|
|
|
|
// Set the prototype chain to inherit from `parent`, without calling
|
|
// `parent`'s constructor function.
|
|
ctor.prototype = parent.prototype;
|
|
child.prototype = new ctor();
|
|
|
|
// Add prototype properties (instance properties) to the subclass,
|
|
// if supplied.
|
|
if ( protoProps )
|
|
$.extend( child.prototype, protoProps );
|
|
|
|
// Add static properties to the constructor function, if supplied.
|
|
if ( staticProps )
|
|
$.extend( child, staticProps );
|
|
|
|
// Correctly set child's `prototype.constructor`.
|
|
child.prototype.constructor = child;
|
|
|
|
// Set a convenience property in case the parent's prototype is needed later.
|
|
child.__super__ = parent.prototype;
|
|
|
|
return child;
|
|
};
|
|
|
|
/* =====================================================================
|
|
* customize function.
|
|
* ===================================================================== */
|
|
ready = $.Callbacks( 'once memory' );
|
|
|
|
/*
|
|
* Sugar for main customize function. Supports several signatures.
|
|
*
|
|
* customize( callback, [context] );
|
|
* Binds a callback to be fired when the customizer is ready.
|
|
* - callback, function
|
|
* - context, object
|
|
*
|
|
* customize( setting );
|
|
* Fetches a setting object by ID.
|
|
* - setting, string - The setting ID.
|
|
*
|
|
*/
|
|
api = {};
|
|
// api = function( callback, context ) {
|
|
// if ( $.isFunction( callback ) ) {
|
|
// if ( context )
|
|
// callback = $.proxy( callback, context );
|
|
// ready.add( callback );
|
|
//
|
|
// return api;
|
|
// }
|
|
// }
|
|
|
|
/* =====================================================================
|
|
* Base class.
|
|
* ===================================================================== */
|
|
|
|
api.Class = function( applicator, argsArray, options ) {
|
|
var magic, args = arguments;
|
|
|
|
if ( applicator && argsArray && api.Class.applicator === applicator ) {
|
|
args = argsArray;
|
|
$.extend( this, options || {} );
|
|
}
|
|
|
|
magic = this;
|
|
if ( this.instance ) {
|
|
magic = function() {
|
|
return magic.instance.apply( magic, arguments );
|
|
};
|
|
|
|
$.extend( magic, this );
|
|
}
|
|
|
|
magic.initialize.apply( magic, args );
|
|
return magic;
|
|
};
|
|
|
|
api.Class.applicator = {};
|
|
|
|
api.Class.prototype.initialize = function() {};
|
|
|
|
/*
|
|
* Checks whether a given instance extended a constructor.
|
|
*
|
|
* The magic surrounding the instance parameter causes the instanceof
|
|
* keyword to return inaccurate results; it defaults to the function's
|
|
* prototype instead of the constructor chain. Hence this function.
|
|
*/
|
|
api.Class.prototype.extended = function( constructor ) {
|
|
var proto = this;
|
|
|
|
while ( typeof proto.constructor !== 'undefined' ) {
|
|
if ( proto.constructor === constructor )
|
|
return true;
|
|
if ( typeof proto.constructor.__super__ === 'undefined' )
|
|
return false;
|
|
proto = proto.constructor.__super__;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
api.Class.extend = extend;
|
|
|
|
/* =====================================================================
|
|
* Light two-way binding.
|
|
* ===================================================================== */
|
|
|
|
api.Value = api.Class.extend({
|
|
initialize: function( initial, options ) {
|
|
this._value = initial;
|
|
this.callbacks = $.Callbacks();
|
|
|
|
$.extend( this, options || {} );
|
|
},
|
|
|
|
/*
|
|
* Magic. Returns a function that will become the instance.
|
|
* Set to null to prevent the instance from extending a function.
|
|
*/
|
|
instance: function() {
|
|
return arguments.length ? this.set.apply( this, arguments ) : this.get();
|
|
},
|
|
|
|
get: function() {
|
|
return this._value;
|
|
},
|
|
|
|
set: function( to ) {
|
|
var from = this._value;
|
|
|
|
to = this.validate( to );
|
|
|
|
// Bail if the sanitized value is null or unchanged.
|
|
if ( null === to || this._value === to )
|
|
return this;
|
|
|
|
this._value = to;
|
|
|
|
this.callbacks.fireWith( this, [ to, from ] );
|
|
|
|
return this;
|
|
},
|
|
|
|
validate: function( value ) {
|
|
return value;
|
|
},
|
|
|
|
bind: function( callback ) {
|
|
this.callbacks.add.apply( this.callbacks, arguments );
|
|
return this;
|
|
},
|
|
|
|
unbind: function( callback ) {
|
|
this.callbacks.remove.apply( this.callbacks, arguments );
|
|
return this;
|
|
},
|
|
|
|
/*
|
|
* Allows the creation of composite values.
|
|
* Overrides the native link method (can be reverted with `unlink`).
|
|
*/
|
|
link: function() {
|
|
var keys = slice.call( arguments ),
|
|
callback = keys.pop(),
|
|
self = this,
|
|
set, key, active;
|
|
|
|
if ( this.links )
|
|
this.unlink();
|
|
|
|
this.links = [];
|
|
|
|
// Single argument means a direct binding.
|
|
if ( ! keys.length ) {
|
|
keys = [ callback ];
|
|
callback = function( value, to ) {
|
|
return to;
|
|
};
|
|
}
|
|
|
|
while ( key = keys.shift() ) {
|
|
if ( this._parent && $.type( key ) == 'string' )
|
|
this.links.push( this._parent[ key ] );
|
|
else
|
|
this.links.push( key );
|
|
}
|
|
|
|
// Replace this.set with the assignment function.
|
|
set = function() {
|
|
var args, result;
|
|
|
|
// If we call set from within the assignment function,
|
|
// pass the arguments to the original set.
|
|
if ( active )
|
|
return self.set.original.apply( self, arguments );
|
|
|
|
active = true;
|
|
|
|
args = self.links.concat( slice.call( arguments ) );
|
|
result = callback.apply( self, args );
|
|
|
|
active = false;
|
|
|
|
if ( typeof result !== 'undefined' )
|
|
self.set.original.call( self, result );
|
|
};
|
|
|
|
set.original = this.set;
|
|
this.set = set;
|
|
|
|
// Bind the new function to the master values.
|
|
$.each( this.links, function( key, value ) {
|
|
value.bind( self.set );
|
|
});
|
|
|
|
this.set( this.get() );
|
|
|
|
return this;
|
|
},
|
|
|
|
unlink: function() {
|
|
var set = this.set;
|
|
|
|
$.each( this.links, function( key, value ) {
|
|
value.unbind( set );
|
|
});
|
|
|
|
delete this.links;
|
|
this.set = this.set.original;
|
|
return this;
|
|
}
|
|
});
|
|
|
|
api.ensure = function( element ) {
|
|
return typeof element == 'string' ? $( element ) : element;
|
|
};
|
|
|
|
api.Element = api.Value.extend({
|
|
initialize: function( element, options ) {
|
|
var self = this,
|
|
synchronizer = api.Element.synchronizer.html,
|
|
type, update, refresh;
|
|
|
|
this.element = api.ensure( element );
|
|
this.events = '';
|
|
|
|
if ( this.element.is('input, select, textarea') ) {
|
|
this.events += 'change';
|
|
synchronizer = api.Element.synchronizer.val;
|
|
|
|
if ( this.element.is('input') ) {
|
|
type = this.element.prop('type');
|
|
if ( api.Element.synchronizer[ type ] )
|
|
synchronizer = api.Element.synchronizer[ type ];
|
|
if ( 'text' === type || 'password' === type )
|
|
this.events += ' keyup';
|
|
}
|
|
}
|
|
|
|
api.Value.prototype.initialize.call( this, null, $.extend( options || {}, synchronizer ) );
|
|
this._value = this.get();
|
|
|
|
update = this.update;
|
|
refresh = this.refresh;
|
|
|
|
this.update = function( to ) {
|
|
if ( to !== refresh.call( self ) )
|
|
update.apply( this, arguments );
|
|
};
|
|
this.refresh = function() {
|
|
self.set( refresh.call( self ) );
|
|
};
|
|
|
|
this.bind( this.update );
|
|
this.element.bind( this.events, this.refresh );
|
|
},
|
|
|
|
find: function( selector ) {
|
|
return $( selector, this.element );
|
|
},
|
|
|
|
refresh: function() {},
|
|
update: function() {}
|
|
});
|
|
|
|
api.Element.synchronizer = {};
|
|
|
|
$.each( [ 'html', 'val' ], function( i, method ) {
|
|
api.Element.synchronizer[ method ] = {
|
|
update: function( to ) {
|
|
this.element[ method ]( to );
|
|
},
|
|
refresh: function() {
|
|
return this.element[ method ]();
|
|
}
|
|
};
|
|
});
|
|
|
|
api.Element.synchronizer.checkbox = {
|
|
update: function( to ) {
|
|
this.element.prop( 'checked', to );
|
|
},
|
|
refresh: function() {
|
|
return this.element.prop( 'checked' );
|
|
}
|
|
};
|
|
|
|
api.Element.synchronizer.radio = {
|
|
update: function( to ) {
|
|
this.element.filter( function() {
|
|
return this.value === to;
|
|
}).prop( 'checked', true );
|
|
},
|
|
refresh: function() {
|
|
return this.element.filter( ':checked' ).val();
|
|
}
|
|
};
|
|
|
|
api.ValueFactory = function( constructor ) {
|
|
constructor = constructor || api.Value;
|
|
|
|
return function( key ) {
|
|
var args = slice.call( arguments, 1 );
|
|
this[ key ] = new constructor( api.Class.applicator, args );
|
|
this[ key ]._parent = this;
|
|
return this[ key ];
|
|
};
|
|
};
|
|
|
|
api.Values = api.Value.extend({
|
|
defaultConstructor: api.Value,
|
|
|
|
initialize: function( options ) {
|
|
api.Value.prototype.initialize.call( this, {}, options || {} );
|
|
},
|
|
|
|
instance: function( id ) {
|
|
return this.value( id );
|
|
},
|
|
|
|
value: function( id ) {
|
|
return this._value[ id ];
|
|
},
|
|
|
|
has: function( id ) {
|
|
return typeof this._value[ id ] !== 'undefined';
|
|
},
|
|
|
|
add: function( id, value ) {
|
|
if ( this.has( id ) )
|
|
return;
|
|
|
|
this._value[ id ] = value;
|
|
this._value[ id ]._parent = this._value;
|
|
return this._value[ id ];
|
|
},
|
|
|
|
set: function( id ) {
|
|
if ( this.has( id ) )
|
|
return this.pass( 'set', arguments );
|
|
|
|
return this.add( id, new this.defaultConstructor( api.Class.applicator, slice.call( arguments, 1 ) ) );
|
|
},
|
|
|
|
remove: function( id ) {
|
|
delete this._value[ id ];
|
|
},
|
|
|
|
pass: function( fn, args ) {
|
|
var id, value;
|
|
|
|
args = slice.call( args );
|
|
id = args.shift();
|
|
|
|
if ( ! this.has( id ) )
|
|
return;
|
|
|
|
value = this.value( id );
|
|
return value[ fn ].apply( value, args );
|
|
}
|
|
});
|
|
|
|
$.each( [ 'get', 'bind', 'unbind', 'link', 'unlink' ], function( i, method ) {
|
|
api.Values.prototype[ method ] = function() {
|
|
return this.pass( method, arguments );
|
|
};
|
|
});
|
|
|
|
/* =====================================================================
|
|
* Messenger for postMessage.
|
|
* ===================================================================== */
|
|
|
|
api.Messenger = api.Class.extend({
|
|
add: api.ValueFactory(),
|
|
|
|
initialize: function( url, options ) {
|
|
$.extend( this, options || {} );
|
|
|
|
this.add( 'url', url );
|
|
this.add( 'origin' ).link( 'url', function( url ) {
|
|
return url().replace( /([^:]+:\/\/[^\/]+).*/, '$1' );
|
|
});
|
|
|
|
this.topics = {};
|
|
|
|
$.receiveMessage( $.proxy( this.receive, this ), this.origin() || null );
|
|
},
|
|
receive: function( event ) {
|
|
var message;
|
|
|
|
console.log( 'messenger receiveMessage', arguments );
|
|
|
|
// @todo: remove, this is done in the postMessage plugin.
|
|
// if ( this.origin && event.origin !== this.origin )
|
|
// return;
|
|
|
|
message = JSON.parse( event.data );
|
|
|
|
if ( message && message.id && message.data && this.topics[ message.id ] )
|
|
this.topics[ message.id ].fireWith( this, [ message.data ]);
|
|
},
|
|
send: function( id, data ) {
|
|
var message;
|
|
|
|
if ( ! this.url() )
|
|
return;
|
|
|
|
console.log( 'sending message', id, data );
|
|
message = JSON.stringify({ id: id, data: data });
|
|
$.postMessage( message, this.url(), this.targetWindow || null );
|
|
},
|
|
bind: function( id, callback ) {
|
|
var topic = this.topics[ id ] || ( this.topics[ id ] = $.Callbacks() );
|
|
topic.add( callback );
|
|
},
|
|
unbind: function( id, callback ) {
|
|
if ( this.topics[ id ] )
|
|
this.topics[ id ].remove( callback );
|
|
}
|
|
});
|
|
|
|
/* =====================================================================
|
|
* Core customize object.
|
|
* ===================================================================== */
|
|
|
|
api = $.extend( new api.Values(), api );
|
|
|
|
// Expose the API to the world.
|
|
exports.customize = api;
|
|
})( wp, jQuery );
|