WordPress/wp-includes/js/customize-controls.dev.js
koopersmith 272d6daac2 Theme Customizer: Improve data binding in wp.customize.Value and wp.customize.Values. see #19910.
* Replace the convoluted wp.customize.Value.link method with a simple shortcut for direct binding.
* Add wp.customize.Value.sync for bidirectional linking.
* Add wp.customize.Value.setter for handling compound values (instead of using wp.customize.Value.link).

git-svn-id: http://svn.automattic.com/wordpress/trunk@20344 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2012-04-03 22:04:40 +00:00

414 lines
10 KiB
JavaScript

(function( exports, $ ){
var api = wp.customize;
/*
* @param options
* - previewer - The Previewer instance to sync with.
* - method - The method to use for previewing. Supports 'refresh' and 'postMessage'.
*/
api.Setting = api.Value.extend({
initialize: function( id, value, options ) {
var element;
api.Value.prototype.initialize.call( this, value, options );
this.id = id;
this.method = this.method || 'refresh';
element = $( '<input />', {
type: 'hidden',
value: this.get(),
name: api.settings.prefix + id
});
element.appendTo( this.previewer.form );
this.element = new api.Element( element );
this.sync( this.element );
this.bind( this.preview );
},
preview: function() {
switch ( this.method ) {
case 'refresh':
return this.previewer.refresh();
case 'postMessage':
return this.previewer.send( 'setting', [ this.id, this() ] );
}
}
});
api.Control = api.Class.extend({
initialize: function( id, options ) {
var control = this,
nodes, radios, settings;
this.params = {};
$.extend( this, options || {} );
this.id = id;
this.selector = '#customize-control-' + id.replace( ']', '' ).replace( '[', '-' );
this.container = $( this.selector );
settings = $.map( this.params.settings, function( value ) {
return value;
});
api.apply( api, settings.concat( function() {
var key;
control.settings = {};
for ( key in control.params.settings ) {
control.settings[ key ] = api( control.params.settings[ key ] );
}
control.setting = control.settings['default'] || null;
control.ready();
}) );
control.elements = [];
nodes = this.container.find('[data-customize-setting-link]');
radios = {};
nodes.each( function() {
var node = $(this),
name;
if ( node.is(':radio') ) {
name = node.prop('name');
if ( radios[ name ] )
return;
radios[ name ] = true;
node = nodes.filter( '[name="' + name + '"]' );
}
api( node.data('customizeSettingLink'), function( setting ) {
var element = new api.Element( node );
control.elements.push( element );
element.sync( setting );
element.set( setting() );
});
});
},
ready: function() {}
});
api.ColorControl = api.Control.extend({
ready: function() {
var control = this,
picker, ui, text, toggle, update;
picker = this.container.find( '.color-picker' );
ui = picker.find( '.color-picker-controls' );
toggle = picker.find( 'a' );
update = function( color ) {
color = '#' + color;
toggle.css( 'background', color );
control.farbtastic.setColor( color );
};
picker.on( 'click', 'a', function() {
ui.toggle();
});
this.farbtastic = $.farbtastic( picker.find('.farbtastic-placeholder'), function( color ) {
control.setting.set( color.replace( '#', '' ) );
});
this.setting.bind( update );
update( this.setting() );
}
});
api.UploadControl = api.Control.extend({
ready: function() {
var control = this;
this.params.removed = this.params.removed || '';
this.uploader = new wp.Uploader({
browser: this.container.find('.upload'),
success: function( attachment ) {
control.setting.set( attachment.url );
}
});
this.remover = this.container.find('.remove');
this.remover.click( function( event ) {
control.setting.set( control.params.removed );
event.preventDefault();
});
this.removerVisibility = $.proxy( this.removerVisibility, this );
this.setting.bind( this.removerVisibility );
this.removerVisibility( this.setting.get() );
if ( this.params.context )
control.uploader.param( 'post_data[context]', this.params.context );
},
removerVisibility: function( to ) {
this.remover.toggle( to != this.params.removed );
}
});
api.ImageControl = api.UploadControl.extend({
ready: function() {
var control = this;
api.UploadControl.prototype.ready.call( this );
this.thumbnail = this.container.find('.thumbnail img');
this.thumbnailSrc = $.proxy( this.thumbnailSrc, this );
this.setting.bind( this.thumbnailSrc );
this.library = this.container.find('.library');
this.changer = this.container.find('.change');
this.changer.click( function( event ) {
control.library.toggle();
event.preventDefault();
});
this.library.on( 'click', 'li', function( event ) {
var tab = $(this),
id = tab.data('customizeTab');
event.preventDefault();
if ( tab.hasClass('library-selected') )
return;
tab.siblings('.library-selected').removeClass('library-selected');
tab.addClass('library-selected');
control.library.find('div').hide().filter( function() {
return $(this).data('customizeTab') === id;
}).show();
});
this.library.on( 'click', 'a', function( event ) {
control.setting.set( $(this).attr('href') );
event.preventDefault();
});
},
thumbnailSrc: function( to ) {
if ( /^(https?:)?\/\//.test( to ) )
this.thumbnail.prop( 'src', to ).show();
else
this.thumbnail.hide();
}
});
// Change objects contained within the main customize object to Settings.
api.defaultConstructor = api.Setting;
// Create the collection of Control objects.
api.control = new api.Values({ defaultConstructor: api.Control });
api.Previewer = api.Messenger.extend({
refreshBuffer: 250,
/**
* Requires params:
* - iframe - a selector or jQuery element
* - form - a selector or jQuery element
* - url - the URL of preview frame
*/
initialize: function( params, options ) {
$.extend( this, options || {} );
this.loaded = $.proxy( this.loaded, this );
this.loaderUuid = 0;
/*
* Wrap this.refresh to prevent it from hammering the servers:
*
* If refresh is called once and no other refresh requests are
* loading, trigger the request immediately.
*
* If refresh is called while another refresh request is loading,
* debounce the refresh requests:
* 1. Stop the loading request (as it is instantly outdated).
* 2. Trigger the new request once refresh hasn't been called for
* self.refreshBuffer milliseconds.
*/
this.refresh = (function( self ) {
var refresh = self.refresh,
callback = function() {
timeout = null;
refresh.call( self );
},
timeout;
return function() {
if ( typeof timeout !== 'number' ) {
if ( self.loading ) {
self.loading.remove();
delete self.loading;
self.loader();
} else {
return callback();
}
}
clearTimeout( timeout );
timeout = setTimeout( callback, self.refreshBuffer );
};
})( this );
this.iframe = api.ensure( params.iframe );
this.form = api.ensure( params.form );
this.name = this.iframe.prop('name');
this.container = this.iframe.parent();
api.Messenger.prototype.initialize.call( this, params.url, this.iframe[0].contentWindow );
this._formOriginalProps = {
target: this.form.prop('target'),
action: this.form.prop('action')
};
this.bind( 'url', function( url ) {
// Bail if we're navigating to the current url, to a different origin, or wp-admin.
if ( this.url() == url || 0 !== url.indexOf( this.origin() + '/' ) || -1 !== url.indexOf( 'wp-admin' ) )
return;
this.url( url );
this.refresh();
});
this.refresh();
// Prevent the form from saving when enter is pressed.
this.form.on( 'keydown', function( e ) {
if ( 13 === e.which ) // Enter
e.preventDefault();
});
},
loader: function() {
if ( this.loading )
return this.loading;
this.loading = $('<iframe />', {
name: this.name + '-loading-' + this.loaderUuid++
}).appendTo( this.container );
return this.loading;
},
loaded: function() {
this.iframe.remove();
this.iframe = this.loading;
delete this.loading;
this.iframe.prop( 'name', this.name );
this.targetWindow( this.iframe[0].contentWindow );
},
refresh: function() {
this.loader().one( 'load', this.loaded );
this.submit({
target: this.loader().prop('name'),
action: this.url()
});
},
submit: function( props ) {
if ( props )
this.form.prop( props );
this.form.submit();
if ( props )
this.form.prop( this._formOriginalProps );
}
});
/* =====================================================================
* Ready.
* ===================================================================== */
api.controlConstructor = {
color: api.ColorControl,
upload: api.UploadControl,
image: api.ImageControl
};
$( function() {
if ( ! api.settings )
return;
// Initialize Previewer
var previewer = new api.Previewer({
iframe: '#customize-preview iframe',
form: '#customize-controls',
url: api.settings.preview
});
$.each( api.settings.settings, function( id, data ) {
api.set( id, id, data.value, {
previewer: previewer
} );
});
$.each( api.settings.controls, function( id, data ) {
var constructor = api.controlConstructor[ data.type ] || api.Control,
control;
control = api.control.add( id, new constructor( id, {
params: data,
previewer: previewer
} ) );
if ( data.visibility ) {
api( data.visibility.id, function( other ) {
if ( 'boolean' === typeof data.visibility.value ) {
other.bind( function( to ) {
control.container.toggle( !! to == data.visibility.value );
});
} else {
other.bind( function( to ) {
control.container.toggle( to == data.visibility.value );
});
}
});
}
});
// Temporary accordion code.
$('.customize-section-title').click( function() {
$( this ).parents('.customize-section').toggleClass( 'open' );
return false;
});
// Button bindings.
$('#save').click( function() {
previewer.submit();
return false;
});
// Background color uses postMessage by default
api( 'background_color', function( setting ) {
setting.method = 'postMessage';
});
api.control( 'display_header_text', function( control ) {
var last = '';
control.elements[0].unsync( api( 'header_textcolor' ) );
control.element = new api.Element( control.container.find('input') );
control.element.set( 'blank' !== control.setting() );
control.element.bind( function( to ) {
if ( ! to )
last = api.get( 'header_textcolor' );
control.setting.set( to ? last : 'blank' );
});
control.setting.bind( function( to ) {
control.element.set( 'blank' !== to );
});
});
});
})( wp, jQuery );