-/* global _wpCustomizeLoaderSettings */
+/* global _wpCustomizeLoaderSettings, confirm */
window.wp = window.wp || {};
(function( exports, $ ){
hashchange: ('onhashchange' in window) && (document.documentMode === undefined || document.documentMode > 7)
});
+ /**
+ * Allows the Customizer to be overlayed on any page.
+ *
+ * By default, any element in the body with the load-customize class will open
+ * the Customizer overlay with the URL specified.
+ *
+ * e.g. <a class="load-customize" href="http://siteurl.com/2014/01/02/post">Open customizer</a>
+ *
+ * @augments wp.customize.Events
+ */
Loader = $.extend( {}, api.Events, {
+ /**
+ * Setup the Loader; triggered on document#ready.
+ */
initialize: function() {
this.body = $( document.body );
this.window = $( window );
this.element = $( '<div id="customize-container" />' ).appendTo( this.body );
+ // Bind events for opening and closing the overlay.
this.bind( 'open', this.overlay.show );
this.bind( 'close', this.overlay.hide );
+ // Any element in the body with the `load-customize` class opens
+ // the Customizer.
$('#wpbody').on( 'click', '.load-customize', function( event ) {
event.preventDefault();
});
// Add navigation listeners.
- if ( $.support.history )
+ if ( $.support.history ) {
this.window.on( 'popstate', Loader.popstate );
+ }
if ( $.support.hashchange ) {
this.window.on( 'hashchange', Loader.hashchange );
popstate: function( e ) {
var state = e.originalEvent.state;
- if ( state && state.customize )
+ if ( state && state.customize ) {
Loader.open( state.customize );
- else if ( Loader.active )
+ } else if ( Loader.active ) {
Loader.close();
+ }
},
hashchange: function() {
var hash = window.location.toString().split('#')[1];
- if ( hash && 0 === hash.indexOf( 'wp_customize=on' ) )
+ if ( hash && 0 === hash.indexOf( 'wp_customize=on' ) ) {
Loader.open( Loader.settings.url + '?' + hash );
+ }
- if ( ! hash && ! $.support.history )
+ if ( ! hash && ! $.support.history ){
Loader.close();
+ }
+ },
+
+ beforeunload: function () {
+ if ( ! Loader.saved() ) {
+ return Loader.settings.l10n.saveAlert;
+ }
},
+ /**
+ * Open the customizer overlay for a specific URL.
+ *
+ * @param string src URL to load in the Customizer.
+ */
open: function( src ) {
- var hash;
- if ( this.active )
+ if ( this.active ) {
return;
+ }
// Load the full page on mobile devices.
- if ( Loader.settings.browser.mobile )
+ if ( Loader.settings.browser.mobile ) {
return window.location = src;
+ }
this.active = true;
this.body.addClass('customize-loading');
+ // Dirty state of customizer in iframe
+ this.saved = new api.Value( true );
+
this.iframe = $( '<iframe />', { src: src }).appendTo( this.element );
this.iframe.one( 'load', this.loaded );
});
this.messenger.bind( 'close', function() {
- if ( $.support.history )
+ if ( $.support.history ) {
history.back();
- else if ( $.support.hashchange )
+ } else if ( $.support.hashchange ) {
window.location.hash = '';
- else
+ } else {
Loader.close();
- });
+ }
+ } );
+
+ // Prompt AYS dialog when navigating away
+ $( window ).on( 'beforeunload', this.beforeunload );
this.messenger.bind( 'activated', function( location ) {
- if ( location )
+ if ( location ) {
window.location = location;
+ }
});
- hash = src.split('?')[1];
+ this.messenger.bind( 'saved', function () {
+ Loader.saved( true );
+ } );
+ this.messenger.bind( 'change', function () {
+ Loader.saved( false );
+ } );
+
+ this.pushState( src );
+
+ this.trigger( 'open' );
+ },
+
+ pushState: function ( src ) {
+ var hash;
// Ensure we don't call pushState if the user hit the forward button.
- if ( $.support.history && window.location.href !== src )
+ if ( $.support.history && window.location.href !== src ) {
history.pushState( { customize: src }, '', src );
- else if ( ! $.support.history && $.support.hashchange && hash )
+ } else if ( ! $.support.history && $.support.hashchange && hash ) {
+ hash = src.split( '?' )[1];
window.location.hash = 'wp_customize=on&' + hash;
-
- this.trigger( 'open' );
+ }
},
+ /**
+ * Callback after the customizer has been opened.
+ */
opened: function() {
Loader.body.addClass( 'customize-active full-overlay-active' );
},
+ /**
+ * Close the Customizer overlay and return focus to the link that opened it.
+ */
close: function() {
- if ( ! this.active )
+ if ( ! this.active ) {
+ return;
+ }
+
+ // Display AYS dialog if customizer is dirty
+ if ( ! this.saved() && ! confirm( Loader.settings.l10n.saveAlert ) ) {
+ // Go forward since Customizer is exited by history.back()
+ history.forward();
return;
+ }
+
this.active = false;
this.trigger( 'close' );
// Return focus to link that was originally clicked.
- if ( this.link )
+ if ( this.link ) {
this.link.focus();
+ }
},
+ /**
+ * Callback after the customizer has been closed.
+ */
closed: function() {
Loader.iframe.remove();
Loader.messenger.destroy();
Loader.iframe = null;
Loader.messenger = null;
+ Loader.saved = null;
Loader.body.removeClass( 'customize-active full-overlay-active' ).removeClass( 'customize-loading' );
+ $( window ).off( 'beforeunload', Loader.beforeunload );
},
+ /**
+ * Callback for the `load` event on the Customizer iframe.
+ */
loaded: function() {
Loader.body.removeClass('customize-loading');
},
+ /**
+ * Overlay hide/show utility methods.
+ */
overlay: {
show: function() {
this.element.fadeIn( 200, Loader.opened );
}
});
+ // Bootstrap the Loader on document#ready.
$( function() {
Loader.settings = _wpCustomizeLoaderSettings;
Loader.initialize();
});
- // Expose the API to the world.
+ // Expose the API publicly on window.wp.customize.Loader
api.Loader = Loader;
})( wp, jQuery );
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff