-(function(b,d){var c=wp.customize,a;a=function(g,e,f){var h;return function(){var i=arguments;f=f||this;clearTimeout(h);h=setTimeout(function(){h=null;g.apply(f,i)},e)}};c.Preview=c.Messenger.extend({initialize:function(g,f){var e=this;c.Messenger.prototype.initialize.call(this,g,f);this.body=d(document.body);this.body.on("click.preview","a",function(h){h.preventDefault();e.send("scroll",0);e.send("url",d(this).prop("href"))});this.body.on("submit.preview","form",function(h){h.preventDefault()});this.window=d(window);this.window.on("scroll.preview",a(function(){e.send("scroll",e.window.scrollTop())},200));this.bind("scroll",function(h){e.window.scrollTop(h)})}});d(function(){c.settings=window._wpCustomizeSettings;if(!c.settings){return}var f,e;f=new c.Preview({url:window.location.href,channel:c.settings.channel});f.bind("settings",function(g){d.each(g,function(i,h){if(c.has(i)){c(i).set(h)}else{c.create(i,h)}})});f.trigger("settings",c.settings.values);f.bind("setting",function(g){var h;g=g.slice();if(h=c(g.shift())){h.set.apply(h,g)}});f.bind("sync",function(g){d.each(g,function(i,h){f.trigger(i,h)});f.send("synced")});f.send("ready");e=d.map(["color","image","position_x","repeat","attachment"],function(g){return"background_"+g});c.when.apply(c,e).done(function(j,i,m,h,l){var n=d(document.body),o=d("head"),g=d("#custom-background-css"),k;if(n.hasClass("custom-background")&&!g.length){return}k=function(){var p="";n.toggleClass("custom-background",!!(j()||i()));if(j()){p+="background-color: "+j()+";"}if(i()){p+='background-image: url("'+i()+'");';p+="background-position: top "+m()+";";p+="background-repeat: "+h()+";";p+="background-position: top "+l()+";"}g.remove();g=d('<style type="text/css" id="custom-background-css">body.custom-background { '+p+" }</style>").appendTo(o)};d.each(arguments,function(){this.bind(k)})})})})(wp,jQuery);
\ No newline at end of file
+(function( exports, $ ){
+ var api = wp.customize,
+ debounce;
+
+ debounce = function( fn, delay, context ) {
+ var timeout;
+ return function() {
+ var args = arguments;
+
+ context = context || this;
+
+ clearTimeout( timeout );
+ timeout = setTimeout( function() {
+ timeout = null;
+ fn.apply( context, args );
+ }, delay );
+ };
+ };
+
+ api.Preview = api.Messenger.extend({
+ /**
+ * Requires params:
+ * - url - the URL of preview frame
+ */
+ initialize: function( params, options ) {
+ var self = this;
+
+ api.Messenger.prototype.initialize.call( this, params, options );
+
+ this.body = $( document.body );
+ this.body.on( 'click.preview', 'a', function( event ) {
+ event.preventDefault();
+ self.send( 'scroll', 0 );
+ self.send( 'url', $(this).prop('href') );
+ });
+
+ // You cannot submit forms.
+ // @todo: Allow form submissions by mixing $_POST data with the customize setting $_POST data.
+ this.body.on( 'submit.preview', 'form', function( event ) {
+ event.preventDefault();
+ });
+
+ this.window = $( window );
+ this.window.on( 'scroll.preview', debounce( function() {
+ self.send( 'scroll', self.window.scrollTop() );
+ }, 200 ));
+
+ this.bind( 'scroll', function( distance ) {
+ self.window.scrollTop( distance );
+ });
+ }
+ });
+
+ $( function() {
+ api.settings = window._wpCustomizeSettings;
+ if ( ! api.settings )
+ return;
+
+ var preview, bg;
+
+ preview = new api.Preview({
+ url: window.location.href,
+ channel: api.settings.channel
+ });
+
+ preview.bind( 'settings', function( values ) {
+ $.each( values, function( id, value ) {
+ if ( api.has( id ) )
+ api( id ).set( value );
+ else
+ api.create( id, value );
+ });
+ });
+
+ preview.trigger( 'settings', api.settings.values );
+
+ preview.bind( 'setting', function( args ) {
+ var value;
+
+ args = args.slice();
+
+ if ( value = api( args.shift() ) )
+ value.set.apply( value, args );
+ });
+
+ preview.bind( 'sync', function( events ) {
+ $.each( events, function( event, args ) {
+ preview.trigger( event, args );
+ });
+ preview.send( 'synced' );
+ });
+
+ preview.bind( 'active', function() {
+ if ( api.settings.nonce )
+ preview.send( 'nonce', api.settings.nonce );
+ });
+
+ preview.send( 'ready' );
+
+ /* Custom Backgrounds */
+ bg = $.map(['color', 'image', 'position_x', 'repeat', 'attachment'], function( prop ) {
+ return 'background_' + prop;
+ });
+
+ api.when.apply( api, bg ).done( function( color, image, position_x, repeat, attachment ) {
+ var body = $(document.body),
+ head = $('head'),
+ style = $('#custom-background-css'),
+ update;
+
+ // If custom backgrounds are active and we can't find the
+ // default output, bail.
+ if ( body.hasClass('custom-background') && ! style.length )
+ return;
+
+ update = function() {
+ var css = '';
+
+ // The body will support custom backgrounds if either
+ // the color or image are set.
+ //
+ // See get_body_class() in /wp-includes/post-template.php
+ body.toggleClass( 'custom-background', !! ( color() || image() ) );
+
+ if ( color() )
+ css += 'background-color: ' + color() + ';';
+
+ if ( image() ) {
+ css += 'background-image: url("' + image() + '");';
+ css += 'background-position: top ' + position_x() + ';';
+ css += 'background-repeat: ' + repeat() + ';';
+ css += 'background-attachment: ' + attachment() + ';';
+ }
+
+ // Refresh the stylesheet by removing and recreating it.
+ style.remove();
+ style = $('<style type="text/css" id="custom-background-css">body.custom-background { ' + css + ' }</style>').appendTo( head );
+ };
+
+ $.each( arguments, function() {
+ this.bind( update );
+ });
+ });
+ });
+
+})( wp, jQuery );
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff