WordPress/wp-includes/js/customize-controls.dev.js

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(function( exports, $ ){
var api = wp.customize;
/*
* @param options
* - previewer - The Previewer instance to sync with.
* - transport - The transport 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.transport = this.transport || 'refresh';
this.bind( this.preview );
},
preview: function() {
switch ( this.transport ) {
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() {},
dropdownInit: function() {
var control = this,
statuses = this.container.find('.dropdown-status'),
params = this.params,
update = function( to ) {
if ( typeof to === 'string' && params.statuses && params.statuses[ to ] )
statuses.html( params.statuses[ to ] ).show();
else
statuses.hide();
};
// Support the .dropdown class to open/close complex elements
this.container.on( 'click', '.dropdown', function( event ) {
event.preventDefault();
control.container.toggleClass('open');
});
this.setting.bind( update );
update( this.setting() );
}
});
api.ColorControl = api.Control.extend({
ready: function() {
var control = this,
spot, text, update;
spot = this.container.find('.dropdown-content');
update = function( color ) {
color = color ? '#' + color : '';
spot.css( 'background', color );
control.farbtastic.setColor( color );
};
this.farbtastic = $.farbtastic( this.container.find('.farbtastic-placeholder'), function( color ) {
control.setting.set( color.replace( '#', '' ) );
});
this.setting.bind( update );
update( this.setting() );
this.dropdownInit();
}
});
api.UploadControl = api.Control.extend({
ready: function() {
var control = this;
this.params.removed = this.params.removed || '';
this.success = $.proxy( this.success, this );
this.uploader = $.extend({
container: this.container,
browser: this.container.find('.upload'),
dropzone: this.container.find('.upload-dropzone'),
success: this.success
}, this.uploader || {} );
this.uploader = new wp.Uploader( this.uploader );
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 );
},
success: function( attachment ) {
this.setting.set( attachment.url );
},
removerVisibility: function( to ) {
this.remover.toggle( to != this.params.removed );
}
});
api.ImageControl = api.UploadControl.extend({
ready: function() {
var control = this,
panels;
this.uploader = {};
if ( ! wp.Uploader.dragdrop )
this.uploader.browser = this.container.find( '.upload-fallback' );
api.UploadControl.prototype.ready.call( this );
this.thumbnail = this.container.find('.preview-thumbnail img');
this.thumbnailSrc = $.proxy( this.thumbnailSrc, this );
this.setting.bind( this.thumbnailSrc );
this.library = this.container.find('.library');
// Generate tab objects
this.tabs = {};
panels = this.library.find('.library-content');
this.library.children('ul').children('li').each( function() {
var link = $(this),
id = link.data('customizeTab'),
panel = panels.filter('[data-customize-tab="' + id + '"]');
control.tabs[ id ] = {
both: link.add( panel ),
link: link,
panel: panel
};
});
// Select a tab
this.selected = this.tabs[ panels.first().data('customizeTab') ];
this.selected.both.addClass('library-selected');
// Bind tab switch events
this.library.children('ul').on( 'click', 'li', function( event ) {
var id = $(this).data('customizeTab'),
tab = control.tabs[ id ];
event.preventDefault();
if ( tab.link.hasClass('library-selected') )
return;
control.selected.both.removeClass('library-selected');
control.selected = tab;
control.selected.both.addClass('library-selected');
});
this.library.on( 'click', 'a', function( event ) {
var value = $(this).data('customizeImageValue');
if ( value ) {
control.setting.set( value );
event.preventDefault();
}
});
if ( this.tabs.uploaded ) {
this.tabs.uploaded.target = this.library.find('.uploaded-target');
if ( ! this.tabs.uploaded.panel.find('.thumbnail').length )
this.tabs.uploaded.both.addClass('hidden');
}
this.dropdownInit();
},
success: function( attachment ) {
api.UploadControl.prototype.success.call( this, attachment );
// Add the uploaded image to the uploaded tab.
if ( this.tabs.uploaded && this.tabs.uploaded.target.length ) {
this.tabs.uploaded.both.removeClass('hidden');
$( '<a href="#" class="thumbnail"></a>' )
.data( 'customizeImageValue', attachment.url )
.append( '<img src="' + attachment.url+ '" />' )
.appendTo( this.tabs.uploaded.target );
}
},
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:
* - container - a selector or jQuery element
* - url - the URL of preview frame
*/
initialize: function( params, options ) {
var self = this;
$.extend( this, options || {} );
this.loaded = $.proxy( this.loaded, this );
/*
* 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.container = api.ensure( params.container );
api.Messenger.prototype.initialize.call( this, params.url );
// We're dynamically generating the iframe, so the origin is set
// to the current window's location, not the url's.
this.origin.unlink( this.url ).set( window.location.href );
// Limit the URL to internal, front-end links.
this.url.setter( function( to ) {
// Bail if we're navigating to a different origin or wp-admin.
if ( 0 !== to.indexOf( self.origin() + '/' ) || -1 !== to.indexOf( 'wp-admin' ) )
return null;
return to;
});
// Refresh the preview when the URL is changed.
this.url.bind( this.refresh );
this.scroll = 0;
this.bind( 'scroll', function( distance ) {
this.scroll = distance;
});
// Update the URL when the iframe sends a URL message.
this.bind( 'url', this.url );
},
loader: function() {
if ( this.loading )
return this.loading;
this.loading = $('<iframe />').appendTo( this.container );
return this.loading;
},
loaded: function() {
if ( this.iframe )
this.iframe.remove();
this.iframe = this.loading;
delete this.loading;
this.targetWindow( this.iframe[0].contentWindow );
this.send( 'scroll', this.scroll );
},
query: function() {},
refresh: function() {
var self = this;
if ( this.request )
this.request.abort();
this.request = $.ajax( this.url(), {
type: 'POST',
data: this.query() || {},
success: function( response ) {
var iframe = self.loader()[0].contentWindow,
location = self.request.getResponseHeader('Location');
// Check if the location response header differs from the current URL.
// If so, the request was redirected; try loading the requested page.
if ( location && location != self.url() ) {
self.url( location );
return;
}
self.loader().one( 'load', self.loaded );
iframe.document.open();
iframe.document.write( response );
iframe.document.close();
},
xhrFields: {
withCredentials: true
}
} );
}
});
/* =====================================================================
* Ready.
* ===================================================================== */
api.controlConstructor = {
color: api.ColorControl,
upload: api.UploadControl,
image: api.ImageControl
};
$( function() {
api.settings = window._wpCustomizeSettings;
api.l10n = window._wpCustomizeControlsL10n;
if ( ! api.settings )
return;
// Initialize Previewer
var body = $( document.body ),
query, previewer, parent;
// Prevent the form from saving when enter is pressed.
$('#customize-controls').on( 'keydown', function( e ) {
if ( 13 === e.which ) // Enter
e.preventDefault();
});
previewer = new api.Previewer({
container: '#customize-preview',
form: '#customize-controls',
url: api.settings.url.preview
}, {
query: function() {
return {
customize: 'on',
theme: api.settings.theme.stylesheet,
customized: JSON.stringify( api.get() )
};
},
nonce: $('#_wpnonce').val(),
save: function() {
var query = $.extend( this.query(), {
action: 'customize_save',
nonce: this.nonce
}),
request = $.post( api.settings.url.ajax, query );
api.trigger( 'save', request );
body.addClass('saving');
request.always( function() {
body.removeClass('saving');
});
}
});
$.each( api.settings.settings, function( id, data ) {
api.create( id, id, data.value, {
transport: data.transport,
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
} ) );
});
// Load the preview frame.
previewer.refresh();
// Temporary accordion code.
$('.customize-section-title').click( function() {
var clicked = $( this ).parents( '.customize-section' );
$( '.customize-section' ).not( clicked ).removeClass( 'open' );
clicked.toggleClass( 'open' );
return false;
});
// Button bindings.
$('#save').click( function( event ) {
previewer.save();
event.preventDefault();
});
$('.collapse-sidebar').click( function( event ) {
body.toggleClass( 'collapsed' );
event.preventDefault();
});
// Create a potential postMessage connection with the parent frame.
parent = new api.Messenger( api.settings.url.parent );
// 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( text ) {
var back = $('.back');
if ( text )
back.text( text );
back.on( 'click.back', function( event ) {
event.preventDefault();
parent.send( 'close' );
});
});
// If the current theme isn't active, it will be activated on save,
// rendering the previous page
api.bind( 'save', function( request ) {
request.done( function() {
parent.send( 'saved' );
if ( ! api.settings.theme.active ) {
parent.send( 'switched' );
$('#save').val( api.l10n.save );
}
api.settings.theme.active = true;
});
} );
// Initialize the connection with the parent frame.
parent.send( 'ready' );
// Control visibility for default controls
$.each({
'background_image': {
controls: [ 'background_repeat', 'background_position_x', 'background_attachment' ],
callback: function( to ) { return !! to }
},
'show_on_front': {
controls: [ 'page_on_front', 'page_for_posts' ],
callback: function( to ) { return 'page' === to }
},
'header_textcolor': {
controls: [ 'header_textcolor' ],
callback: function( to ) { return 'blank' !== to }
}
}, function( settingId, o ) {
api( settingId, function( setting ) {
$.each( o.controls, function( i, controlId ) {
api.control( controlId, function( control ) {
var visibility = function( to ) {
control.container.toggle( o.callback( to ) );
};
visibility( setting.get() );
setting.bind( visibility );
});
});
});
});
// Juggle the two controls that use header_textcolor
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( 'header_textcolor' ).get();
control.setting.set( to ? last : 'blank' );
});
control.setting.bind( function( to ) {
control.element.set( 'blank' !== to );
});
});
api.trigger( 'ready' );
});
})( wp, jQuery );