mirror of
https://github.com/WordPress/WordPress.git
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3bb59dbc9c
git-svn-id: http://svn.automattic.com/wordpress/trunk@17936 1a063a9b-81f0-0310-95a4-ce76da25c4cd
657 lines
15 KiB
JavaScript
657 lines
15 KiB
JavaScript
/**
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* PubSub
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*
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* A lightweight publish/subscribe implementation.
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* Private use only!
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*/
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var PubSub, fullscreen, wptitlehint;
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PubSub = function() {
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this.topics = {};
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};
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PubSub.prototype.subscribe = function( topic, callback ) {
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if ( ! this.topics[ topic ] )
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this.topics[ topic ] = [];
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this.topics[ topic ].push( callback );
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return callback;
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};
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PubSub.prototype.unsubscribe = function( topic, callback ) {
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var i, l,
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topics = this.topics[ topic ];
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if ( ! topics )
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return callback || [];
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// Clear matching callbacks
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if ( callback ) {
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for ( i = 0, l = topics.length; i < l; i++ ) {
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if ( callback == topics[i] )
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topics.splice( i, 1 );
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}
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return callback;
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// Clear all callbacks
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} else {
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this.topics[ topic ] = [];
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return topics;
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}
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};
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PubSub.prototype.publish = function( topic, args ) {
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var i, l, broken,
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topics = this.topics[ topic ];
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if ( ! topics )
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return;
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args = args || [];
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for ( i = 0, l = topics.length; i < l; i++ ) {
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broken = ( topics[i].apply( null, args ) === false || broken );
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}
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return ! broken;
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};
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/**
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* Distraction Free Writing
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* (wp-fullscreen)
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*
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* Access the API globally using the fullscreen variable.
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*/
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(function($){
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var api, ps, bounder, s;
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// Initialize the fullscreen/api object
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fullscreen = api = {};
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// Create the PubSub (publish/subscribe) interface.
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ps = api.pubsub = new PubSub();
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timer = 0;
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block = false;
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s = api.settings = { // Settings
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visible : false,
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mode : 'tinymce',
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editor_id : 'content',
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title_id : 'title',
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timer : 0
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}
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/**
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* Bounder
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*
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* Creates a function that publishes start/stop topics.
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* Used to throttle events.
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*/
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bounder = function( start, stop, delay ) {
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delay = delay || 1250;
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if ( block )
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return;
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block = true;
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setTimeout( function() {
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block = false;
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}, 400 );
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if ( s.timer )
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clearTimeout( s.timer );
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else
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ps.publish( start );
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function timed() {
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ps.publish( stop );
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s.timer = 0;
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}
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s.timer = setTimeout( timed, delay );
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};
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/**
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* on()
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*
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* Turns fullscreen on.
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*
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* @param string mode Optional. Switch to the given mode before opening.
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*/
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api.on = function() {
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if ( s.visible )
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return;
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s.mode = $('#' + s.editor_id).is(':hidden') ? 'tinymce' : 'html';
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if ( ! s.element )
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api.ui.init();
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s.is_mce_on = s.has_tinymce && typeof( tinyMCE.get(s.editor_id) ) != 'undefined';
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api.ui.fade( 'show', 'showing', 'shown' );
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};
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/**
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* off()
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*
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* Turns fullscreen off.
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*/
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api.off = function() {
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if ( ! s.visible )
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return;
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api.ui.fade( 'hide', 'hiding', 'hidden' );
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};
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/**
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* switchmode()
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*
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* @return string - The current mode.
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*
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* @param string to - The fullscreen mode to switch to.
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* @event switchMode
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* @eventparam string to - The new mode.
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* @eventparam string from - The old mode.
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*/
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api.switchmode = function( to ) {
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var from = s.mode;
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if ( ! to || ! s.visible || ! s.has_tinymce )
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return from;
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// Don't switch if the mode is the same.
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if ( from == to )
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return from;
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ps.publish( 'switchMode', [ from, to ] );
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s.mode = to;
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ps.publish( 'switchedMode', [ from, to ] );
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return to;
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};
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/**
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* General
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*/
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api.save = function() {
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var hidden = $('#hiddenaction'), old = hidden.val(), spinner = $('#wp-fullscreen-save img'),
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message = $('#wp-fullscreen-save span');
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spinner.show();
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api.savecontent();
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hidden.val('wp-fullscreen-save-post');
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$.post( ajaxurl, $('form#post').serialize(), function(r){
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spinner.hide();
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message.show();
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setTimeout( function(){
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message.fadeOut(1000);
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}, 3000 );
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if ( r.last_edited )
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$('#wp-fullscreen-save input').attr( 'title', r.last_edited );
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}, 'json');
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hidden.val(old);
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}
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api.savecontent = function() {
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var ed, content;
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$('#' + s.title_id).val( $('#wp-fullscreen-title').val() );
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if ( s.mode === 'tinymce' && (ed = tinyMCE.get('wp_mce_fullscreen')) ) {
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content = ed.save();
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} else {
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content = $('#wp_mce_fullscreen').val();
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}
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$('#' + s.editor_id).val( content );
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$(document).triggerHandler('wpcountwords', [ content ]);
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}
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set_title_hint = function( title ) {
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if ( ! title.val().length )
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title.siblings('label').css( 'visibility', '' );
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else
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title.siblings('label').css( 'visibility', 'hidden' );
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}
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api.dfw_width = function(n) {
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var el = $('#wp-fullscreen-wrap'), w = el.width();
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if ( !n ) { // reset to theme width
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el.width( $('#wp-fullscreen-central-toolbar').width() );
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deleteUserSetting('dfw_width');
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return;
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}
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if ( w < 200 || w > 1200 ) // sanity check
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return;
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el.width( n + w );
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setUserSetting('dfw_width', n + w);
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}
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ps.subscribe( 'showToolbar', function() {
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s.toolbars.removeClass('fade-1000').addClass('fade-300');
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api.fade.In( s.toolbars, 300, function(){ ps.publish('toolbarShown'); }, true );
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$('#wp-fullscreen-body').addClass('wp-fullscreen-focus');
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});
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ps.subscribe( 'hideToolbar', function() {
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s.toolbars.removeClass('fade-300').addClass('fade-1000');
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api.fade.Out( s.toolbars, 1000, function(){ ps.publish('toolbarHidden'); }, true );
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$('#wp-fullscreen-body').removeClass('wp-fullscreen-focus');
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});
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ps.subscribe( 'toolbarShown', function() {
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s.toolbars.removeClass('fade-300');
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});
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ps.subscribe( 'toolbarHidden', function() {
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s.toolbars.removeClass('fade-1000');
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});
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ps.subscribe( 'show', function() { // This event occurs before the overlay blocks the UI.
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var title = $('#wp-fullscreen-title').val( $('#' + s.title_id).val() );
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set_title_hint( title );
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$('#wp-fullscreen-save input').attr( 'title', $('#last-edit').text() );
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s.textarea_obj.value = edCanvas.value;
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if ( s.has_tinymce && s.mode === 'tinymce' )
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tinyMCE.execCommand('wpFullScreenInit');
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s._edCanvas = edCanvas;
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edCanvas = s.textarea_obj;
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s.orig_y = $(window).scrollTop();
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});
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ps.subscribe( 'showing', function() { // This event occurs while the DFW overlay blocks the UI.
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$( document.body ).addClass( 'fullscreen-active' );
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api.refresh_buttons();
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$( document ).bind( 'mousemove.fullscreen', function(e) { bounder( 'showToolbar', 'hideToolbar', 2000 ); } );
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bounder( 'showToolbar', 'hideToolbar', 2000 );
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api.bind_resize();
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setTimeout( api.resize_textarea, 200 );
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// scroll to top so the user is not disoriented
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scrollTo(0, 0);
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});
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ps.subscribe( 'shown', function() { // This event occurs after the DFW overlay is shown
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s.visible = true;
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// init the standard TinyMCE instance if missing
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if ( s.has_tinymce && ! s.is_mce_on ) {
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htmled = document.getElementById(s.editor_id), old_val = htmled.value;
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htmled.value = switchEditors.wpautop( old_val );
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tinyMCE.settings.setup = function(ed) {
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ed.onInit.add(function(ed) {
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ed.hide();
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delete tinyMCE.settings.setup;
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ed.getElement().value = old_val;
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});
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}
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tinyMCE.execCommand("mceAddControl", false, s.editor_id);
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s.is_mce_on = true;
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}
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});
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ps.subscribe( 'hide', function() { // This event occurs before the overlay blocks DFW.
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api.savecontent();
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$( document ).unbind( '.fullscreen' );
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$(s.textarea_obj).unbind('.grow');
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if ( s.has_tinymce && s.mode === 'tinymce' )
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tinyMCE.execCommand('wpFullScreenSave');
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set_title_hint( $('#' + s.title_id) );
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// Restore and update edCanvas.
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edCanvas = s._edCanvas;
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edCanvas.value = s.textarea_obj.value;
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});
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ps.subscribe( 'hiding', function() { // This event occurs while the overlay blocks the DFW UI.
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// Make sure the correct editor is displaying.
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if ( s.has_tinymce && s.mode === 'tinymce' && $('#' + s.editor_id).is(':visible') ) {
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switchEditors.go( s.editor_id, 'tinymce' );
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} else if ( s.mode == 'html' && $('#' + s.editor_id).is(':hidden') ) {
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switchEditors.go( s.editor_id, 'html' );
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}
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$( document.body ).removeClass( 'fullscreen-active' );
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scrollTo(0, s.orig_y);
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});
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ps.subscribe( 'hidden', function() { // This event occurs after DFW is removed.
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s.visible = false;
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$('#wp_mce_fullscreen').removeAttr('style');
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if ( s.has_tinymce && s.is_mce_on )
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tinyMCE.execCommand('wpFullScreenClose');
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s.textarea_obj.value = '';
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api.oldheight = 0;
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});
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ps.subscribe( 'switchMode', function( from, to ) {
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var ed;
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if ( !s.has_tinymce || !s.is_mce_on )
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return;
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ed = tinyMCE.get('wp_mce_fullscreen');
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if ( from === 'html' && to === 'tinymce' ) {
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s.textarea_obj.value = switchEditors.wpautop( s.textarea_obj.value );
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if ( 'undefined' == typeof(ed) )
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tinyMCE.execCommand('wpFullScreenInit');
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else
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ed.show();
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} else if ( from === 'tinymce' && to === 'html' ) {
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if ( ed )
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ed.hide();
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}
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});
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ps.subscribe( 'switchedMode', function( from, to ) {
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api.refresh_buttons(true);
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if ( to === 'html' )
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setTimeout( api.resize_textarea, 200 );
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});
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/**
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* Buttons
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*/
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api.b = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('Bold');
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}
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api.i = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('Italic');
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}
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api.ul = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('InsertUnorderedList');
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}
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api.ol = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('InsertOrderedList');
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}
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api.link = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('WP_Link');
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else
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wpLink.open();
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}
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api.unlink = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('unlink');
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}
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api.atd = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('mceWritingImprovementTool');
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}
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api.help = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('WP_Help');
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}
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api.blockquote = function() {
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if ( s.has_tinymce && 'tinymce' === s.mode )
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tinyMCE.execCommand('mceBlockQuote');
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}
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api.refresh_buttons = function( fade ) {
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fade = fade || false;
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if ( s.mode === 'html' ) {
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$('#wp-fullscreen-mode-bar').removeClass('wp-tmce-mode').addClass('wp-html-mode');
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if ( fade )
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$('#wp-fullscreen-button-bar').fadeOut( 150, function(){
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$(this).addClass('wp-html-mode').fadeIn( 150 );
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});
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else
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$('#wp-fullscreen-button-bar').addClass('wp-html-mode');
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} else if ( s.mode === 'tinymce' ) {
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$('#wp-fullscreen-mode-bar').removeClass('wp-html-mode').addClass('wp-tmce-mode');
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if ( fade )
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$('#wp-fullscreen-button-bar').fadeOut( 150, function(){
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$(this).removeClass('wp-html-mode').fadeIn( 150 );
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});
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else
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$('#wp-fullscreen-button-bar').removeClass('wp-html-mode');
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}
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}
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/**
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* UI Elements
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*
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* Used for transitioning between states.
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*/
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api.ui = {
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init: function() {
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var topbar = $('#fullscreen-topbar'), txtarea = $('#wp_mce_fullscreen'), last = 0;
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s.toolbars = topbar.add( $('#wp-fullscreen-status') );
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s.element = $('#fullscreen-fader');
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s.textarea_obj = txtarea[0];
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s.has_tinymce = typeof(tinyMCE) != 'undefined';
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if ( !s.has_tinymce )
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$('#wp-fullscreen-mode-bar').hide();
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if ( wptitlehint )
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wptitlehint('wp-fullscreen-title');
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$(document).keyup(function(e){
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var c = e.keyCode || e.charCode, a;
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if ( !fullscreen.settings.visible )
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return true;
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if ( navigator.platform && navigator.platform.indexOf('Mac') != -1 )
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a = e.ctrlKey; // Ctrl key for Mac
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else
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a = e.altKey; // Alt key for Win & Linux
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if ( 27 == c ) // Esc
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fullscreen.off();
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if ( a && (61 == c || 187 == c) ) // +
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api.dfw_width(25);
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if ( a && (45 == c || 189 == c) ) // -
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api.dfw_width(-25);
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if ( a && 48 == c ) // 0
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api.dfw_width(0);
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return true;
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});
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// word count in HTML mode
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if ( typeof(wpWordCount) != 'undefined' ) {
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txtarea.keyup( function(e) {
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var k = e.keyCode || e.charCode;
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if ( k == last )
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return true;
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if ( 13 == k || 8 == last || 46 == last )
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$(document).triggerHandler('wpcountwords', [ txtarea.val() ]);
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last = k;
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return true;
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});
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}
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topbar.mouseenter(function(e){
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s.toolbars.addClass('fullscreen-make-sticky');
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$( document ).unbind( '.fullscreen' );
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clearTimeout( s.timer );
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s.timer = 0;
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}).mouseleave(function(e){
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s.toolbars.removeClass('fullscreen-make-sticky');
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$( document ).bind( 'mousemove.fullscreen', function(e) { bounder( 'showToolbar', 'hideToolbar', 2000 ); } );
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});
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},
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fade: function( before, during, after ) {
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if ( ! s.element )
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api.ui.init();
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// If any callback bound to before returns false, bail.
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if ( before && ! ps.publish( before ) )
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return;
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api.fade.In( s.element, 600, function() {
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if ( during )
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ps.publish( during );
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api.fade.Out( s.element, 600, function() {
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if ( after )
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ps.publish( after );
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})
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});
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}
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};
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api.fade = {
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transitionend: 'transitionend webkitTransitionEnd oTransitionEnd',
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// Sensitivity to allow browsers to render the blank element before animating.
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sensitivity: 100,
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In: function( element, speed, callback, stop ) {
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callback = callback || $.noop;
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speed = speed || 400;
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stop = stop || false;
|
|
|
|
if ( api.fade.transitions ) {
|
|
if ( element.is(':visible') ) {
|
|
element.addClass( 'fade-trigger' );
|
|
return element;
|
|
}
|
|
|
|
element.show();
|
|
element.first().one( this.transitionend, function() {
|
|
callback();
|
|
});
|
|
setTimeout( function() { element.addClass( 'fade-trigger' ); }, this.sensitivity );
|
|
} else {
|
|
if ( stop )
|
|
element.stop();
|
|
|
|
element.css( 'opacity', 1 );
|
|
element.first().fadeIn( speed, callback );
|
|
|
|
if ( element.length > 1 )
|
|
element.not(':first').fadeIn( speed );
|
|
}
|
|
|
|
return element;
|
|
},
|
|
|
|
Out: function( element, speed, callback, stop ) {
|
|
|
|
callback = callback || $.noop;
|
|
speed = speed || 400;
|
|
stop = stop || false;
|
|
|
|
if ( ! element.is(':visible') )
|
|
return element;
|
|
|
|
if ( api.fade.transitions ) {
|
|
element.first().one( api.fade.transitionend, function() {
|
|
if ( element.hasClass('fade-trigger') )
|
|
return;
|
|
|
|
element.hide();
|
|
callback();
|
|
});
|
|
setTimeout( function() { element.removeClass( 'fade-trigger' ); }, this.sensitivity );
|
|
} else {
|
|
if ( stop )
|
|
element.stop();
|
|
|
|
element.first().fadeOut( speed, callback );
|
|
|
|
if ( element.length > 1 )
|
|
element.not(':first').fadeOut( speed );
|
|
}
|
|
|
|
return element;
|
|
},
|
|
|
|
transitions: (function() { // Check if the browser supports CSS 3.0 transitions
|
|
var s = document.documentElement.style;
|
|
|
|
return ( typeof ( s.WebkitTransition ) == 'string' ||
|
|
typeof ( s.MozTransition ) == 'string' ||
|
|
typeof ( s.OTransition ) == 'string' ||
|
|
typeof ( s.transition ) == 'string' );
|
|
})()
|
|
};
|
|
|
|
|
|
/**
|
|
* Resize API
|
|
*
|
|
* Automatically updates textarea height.
|
|
*/
|
|
|
|
api.bind_resize = function() {
|
|
$(s.textarea_obj).bind('keypress.grow click.grow paste.grow', function(){
|
|
setTimeout( api.resize_textarea, 200 );
|
|
});
|
|
}
|
|
|
|
api.oldheight = 0;
|
|
api.resize_textarea = function() {
|
|
var txt = s.textarea_obj, newheight;
|
|
|
|
newheight = txt.scrollHeight > 300 ? txt.scrollHeight : 300;
|
|
|
|
if ( newheight != api.oldheight ) {
|
|
txt.style.height = newheight + 'px';
|
|
api.oldheight = newheight;
|
|
}
|
|
};
|
|
|
|
})(jQuery);
|