702 lines
16 KiB
JavaScript
702 lines
16 KiB
JavaScript
/* global deleteUserSetting, setUserSetting, switchEditors, tinymce, tinyMCEPreInit */
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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 window.wp.editor.fullscreen variable.
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*/
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( function( $, window ) {
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var api, ps, s, toggleUI, uiTimer, PubSub,
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uiScrollTop = 0,
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transitionend = 'transitionend webkitTransitionEnd',
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$body = $( document.body ),
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$document = $( document );
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/**
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* PubSub
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*
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* A lightweight publish/subscribe implementation.
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*
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* @access private
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*/
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PubSub = function() {
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this.topics = {};
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this.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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this.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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this.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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// Initialize the fullscreen/api object
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api = {};
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// Create the PubSub (publish/subscribe) interface.
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ps = api.pubsub = new PubSub();
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s = api.settings = { // Settings
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visible: false,
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mode: 'tinymce',
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id: '',
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title_id: '',
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timer: 0,
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toolbar_shown: false
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};
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function _hideUI() {
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$body.removeClass('wp-dfw-show-ui');
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}
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/**
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* toggleUI
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*
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* Toggle the CSS class to show/hide the toolbar, borders and statusbar.
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*/
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toggleUI = api.toggleUI = function( show ) {
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clearTimeout( uiTimer );
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if ( ! $body.hasClass('wp-dfw-show-ui') || show === 'show' ) {
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$body.addClass('wp-dfw-show-ui');
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} else if ( show !== 'autohide' ) {
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$body.removeClass('wp-dfw-show-ui');
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}
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if ( show === 'autohide' ) {
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uiTimer = setTimeout( _hideUI, 2000 );
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}
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};
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function resetCssPosition( add ) {
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s.$dfwWrap.parents().each( function( i, parent ) {
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var cssPosition, $parent = $(parent);
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if ( add ) {
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if ( parent.style.position ) {
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$parent.data( 'wp-dfw-css-position', parent.style.position );
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}
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$parent.css( 'position', 'static' );
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} else {
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cssPosition = $parent.data( 'wp-dfw-css-position' );
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cssPosition = cssPosition || '';
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$parent.css( 'position', cssPosition );
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}
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if ( parent.nodeName === 'BODY' ) {
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return false;
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}
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});
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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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var id, $dfwWrap, titleId;
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if ( s.visible ) {
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return;
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}
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if ( ! s.$fullscreenFader ) {
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api.ui.init();
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}
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// Settings can be added or changed by defining "wp_fullscreen_settings" JS object.
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if ( typeof window.wp_fullscreen_settings === 'object' )
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$.extend( s, window.wp_fullscreen_settings );
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id = s.id || window.wpActiveEditor;
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if ( ! id ) {
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if ( s.hasTinymce ) {
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id = tinymce.activeEditor.id;
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} else {
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return;
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}
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}
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s.id = id;
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$dfwWrap = s.$dfwWrap = $( '#wp-' + id + '-wrap' );
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if ( ! $dfwWrap.length ) {
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return;
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}
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s.$dfwTextarea = $( '#' + id );
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s.$editorContainer = $dfwWrap.find( '.wp-editor-container' );
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uiScrollTop = $document.scrollTop();
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if ( s.hasTinymce ) {
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s.editor = tinymce.get( id );
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}
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if ( s.editor && ! s.editor.isHidden() ) {
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s.origHeight = $( '#' + id + '_ifr' ).height();
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s.mode = 'tinymce';
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} else {
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s.origHeight = s.$dfwTextarea.height();
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s.mode = 'html';
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}
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// Try to find title field
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if ( typeof window.adminpage !== 'undefined' &&
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( window.adminpage === 'post-php' || window.adminpage === 'post-new-php' ) ) {
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titleId = 'title';
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} else {
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titleId = id + '-title';
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}
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s.$dfwTitle = $( '#' + titleId );
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if ( ! s.$dfwTitle.length ) {
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s.$dfwTitle = null;
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}
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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.hasTinymce || typeof switchEditors === 'undefined' ) {
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return from;
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}
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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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if ( to === 'tinymce' && ! s.editor ) {
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s.editor = tinymce.get( s.id );
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if ( ! s.editor && typeof tinyMCEPreInit !== 'undefined' &&
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tinyMCEPreInit.mceInit && tinyMCEPreInit.mceInit[ s.id ] ) {
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// If the TinyMCE instance hasn't been created, set the "wp_fulscreen" flag on creating it
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tinyMCEPreInit.mceInit[ s.id ].wp_fullscreen = true;
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}
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}
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s.mode = to;
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switchEditors.go( s.id, to );
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api.refreshButtons( true );
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if ( to === 'html' ) {
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setTimeout( api.resizeTextarea, 200 );
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}
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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'),
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oldVal = $hidden.val(),
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$spinner = $('#wp-fullscreen-save .spinner'),
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$saveMessage = $('#wp-fullscreen-save .wp-fullscreen-saved-message'),
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$errorMessage = $('#wp-fullscreen-save .wp-fullscreen-error-message');
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$spinner.show();
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$errorMessage.hide();
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$hidden.val('wp-fullscreen-save-post');
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if ( s.editor && ! s.editor.isHidden() ) {
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s.editor.save();
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}
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$.ajax({
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url: window.ajaxurl,
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type: 'post',
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data: $('form#post').serialize(),
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dataType: 'json'
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}).done( function( response ) {
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$spinner.hide();
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if ( response && response.success ) {
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$saveMessage.show();
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setTimeout( function() {
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$saveMessage.fadeOut(300);
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}, 3000 );
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if ( response.data && response.data.last_edited ) {
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$('#wp-fullscreen-save input').attr( 'title', response.data.last_edited );
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}
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} else {
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$errorMessage.show();
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}
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}).fail( function() {
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$spinner.hide();
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$errorMessage.show();
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});
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$hidden.val( oldVal );
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};
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api.dfwWidth = function( pixels, total ) {
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var width;
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if ( pixels && pixels.toString().indexOf('%') !== -1 ) {
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s.$editorContainer.css( 'width', pixels );
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if ( s.$dfwTitle ) {
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s.$dfwTitle.css( 'width', pixels );
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}
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return;
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}
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if ( ! pixels ) {
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// Reset to theme width
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width = $('#wp-fullscreen-body').data('theme-width') || 800;
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s.$editorContainer.width( width );
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if ( s.$dfwTitle ) {
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s.$dfwTitle.width( width - 16 );
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}
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deleteUserSetting('dfw_width');
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return;
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}
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if ( total ) {
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width = pixels;
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} else {
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width = s.$editorContainer.width();
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width += pixels;
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}
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if ( width < 200 || width > 1200 ) {
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// sanity check
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return;
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}
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s.$editorContainer.width( width );
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if ( s.$dfwTitle ) {
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s.$dfwTitle.width( width - 16 );
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}
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setUserSetting( 'dfw_width', width );
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};
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// This event occurs before the overlay blocks the UI.
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ps.subscribe( 'show', function() {
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var title = $('#last-edit').text();
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if ( title ) {
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$('#wp-fullscreen-save input').attr( 'title', title );
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}
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});
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// This event occurs while the overlay blocks the UI.
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ps.subscribe( 'showing', function() {
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$body.addClass( 'wp-fullscreen-active' );
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s.$dfwWrap.addClass( 'wp-fullscreen-wrap' );
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s.$editorContainer.append( $('#wp-fullscreen-status') );
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if ( s.$dfwTitle ) {
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s.$dfwTitle.after( '<span id="wp-fullscreen-title-placeholder">' );
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s.$dfwWrap.prepend( s.$dfwTitle.addClass('wp-fullscreen-title') );
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}
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api.refreshButtons();
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resetCssPosition( true );
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$('#wpadminbar').hide();
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// Show the UI for 2 sec. when opening
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toggleUI('autohide');
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api.bind_resize();
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if ( s.editor ) {
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s.editor.execCommand( 'wpFullScreenOn' );
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}
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if ( 'ontouchstart' in window ) {
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api.dfwWidth( '90%' );
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} else {
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api.dfwWidth( $( '#wp-fullscreen-body' ).data('dfw-width') || 800, true );
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}
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// scroll to top so the user is not disoriented
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scrollTo(0, 0);
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});
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// This event occurs after the overlay unblocks the UI
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ps.subscribe( 'shown', function() {
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s.visible = true;
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if ( s.editor && ! s.editor.isHidden() ) {
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s.editor.execCommand( 'wpAutoResize' );
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} else {
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api.resizeTextarea( 'force' );
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}
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});
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ps.subscribe( 'hide', function() { // This event occurs before the overlay blocks DFW.
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$document.unbind( '.fullscreen' );
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s.$dfwTextarea.unbind('.wp-dfw-resize');
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});
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ps.subscribe( 'hiding', function() { // This event occurs while the overlay blocks the DFW UI.
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$body.removeClass( 'wp-fullscreen-active' );
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$( '#wp-fullscreen-body' ).append( $('#wp-fullscreen-status') );
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if ( s.$dfwTitle ) {
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$( '#wp-fullscreen-title-placeholder' ).before( s.$dfwTitle.removeClass('wp-fullscreen-title').css( 'width', '' ) ).remove();
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}
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s.$dfwWrap.removeClass( 'wp-fullscreen-wrap' );
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s.$editorContainer.css( 'width', '' );
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s.$dfwTextarea.add( '#' + s.id + '_ifr' ).height( s.origHeight );
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if ( s.editor ) {
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s.editor.execCommand( 'wpFullScreenOff' );
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}
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resetCssPosition( false );
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window.scrollTo( 0, uiScrollTop );
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$('#wpadminbar').show();
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});
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// This event occurs after DFW is removed.
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ps.subscribe( 'hidden', function() {
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s.visible = false;
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});
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api.refreshButtons = function( fade ) {
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if ( s.mode === 'html' ) {
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$('#wp-fullscreen-mode-bar').removeClass('wp-tmce-mode').addClass('wp-html-mode')
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.find('a').removeClass( 'active' ).filter('.wp-fullscreen-mode-html').addClass( 'active' );
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if ( fade ) {
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$('#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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}
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} else if ( s.mode === 'tinymce' ) {
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$('#wp-fullscreen-mode-bar').removeClass('wp-html-mode').addClass('wp-tmce-mode')
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.find('a').removeClass( 'active' ).filter('.wp-fullscreen-mode-tinymce').addClass( 'active' );
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if ( fade ) {
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$('#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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/**
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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 toolbar;
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s.toolbar = toolbar = $('#fullscreen-topbar');
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s.$fullscreenFader = $('#fullscreen-fader');
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s.hasTinymce = typeof tinymce !== 'undefined';
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if ( ! s.hasTinymce )
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$('#wp-fullscreen-mode-bar').hide();
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$document.keyup( function(e) {
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var c = e.keyCode || e.charCode, modKey;
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if ( ! s.visible ) {
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return;
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}
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if ( navigator.platform && navigator.platform.indexOf('Mac') !== -1 ) {
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modKey = e.ctrlKey; // Ctrl key for Mac
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} else {
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modKey = e.altKey; // Alt key for Win & Linux
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}
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if ( modKey && ( 61 === c || 107 === c || 187 === c ) ) { // +
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api.dfwWidth( 25 );
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e.preventDefault();
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}
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if ( modKey && ( 45 === c || 109 === c || 189 === c ) ) { // -
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api.dfwWidth( -25 );
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e.preventDefault();
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}
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if ( modKey && 48 === c ) { // 0
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api.dfwWidth( 0 );
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e.preventDefault();
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}
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});
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$document.on( 'keydown.wp-fullscreen', function( event ) {
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if ( 27 === event.which && s.visible ) { // Esc
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api.off();
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event.stopImmediatePropagation();
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}
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});
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if ( 'ontouchstart' in window ) {
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$body.addClass('wp-dfw-touch');
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}
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toolbar.on( 'mouseenter', function() {
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toggleUI('show');
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}).on( 'mouseleave', function() {
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toggleUI('autohide');
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});
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// Bind buttons
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$('#wp-fullscreen-buttons').on( 'click.wp-fullscreen', 'button', function( event ) {
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var command = event.currentTarget.id ? event.currentTarget.id.substr(6) : null;
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if ( s.editor && 'tinymce' === s.mode ) {
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switch( command ) {
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case 'bold':
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s.editor.execCommand('Bold');
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break;
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case 'italic':
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s.editor.execCommand('Italic');
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break;
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case 'bullist':
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s.editor.execCommand('InsertUnorderedList');
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break;
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case 'numlist':
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s.editor.execCommand('InsertOrderedList');
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break;
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case 'link':
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s.editor.execCommand('WP_Link');
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break;
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case 'unlink':
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s.editor.execCommand('unlink');
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break;
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case 'help':
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s.editor.execCommand('WP_Help');
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break;
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case 'blockquote':
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s.editor.execCommand('mceBlockQuote');
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break;
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}
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} else if ( command === 'link' && window.wpLink ) {
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window.wpLink.open();
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}
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if ( command === 'wp-media-library' && typeof wp !== 'undefined' && wp.media && wp.media.editor ) {
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wp.media.editor.open( s.id );
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}
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});
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},
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fade: function( before, during, after ) {
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if ( ! s.$fullscreenFader ) {
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api.ui.init();
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}
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// If any callback bound to before returns false, bail.
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if ( before && ! ps.publish( before ) ) {
|
|
return;
|
|
}
|
|
|
|
api.fade.In( s.$fullscreenFader, 200, function() {
|
|
if ( during ) {
|
|
ps.publish( during );
|
|
}
|
|
|
|
api.fade.Out( s.$fullscreenFader, 200, function() {
|
|
if ( after ) {
|
|
ps.publish( after );
|
|
}
|
|
});
|
|
});
|
|
}
|
|
};
|
|
|
|
api.fade = {
|
|
// Sensitivity to allow browsers to render the blank element before animating.
|
|
sensitivity: 100,
|
|
|
|
In: function( element, speed, callback, stop ) {
|
|
|
|
callback = callback || $.noop;
|
|
speed = speed || 400;
|
|
stop = stop || false;
|
|
|
|
if ( api.fade.transitions ) {
|
|
if ( element.is(':visible') ) {
|
|
element.addClass( 'fade-trigger' );
|
|
return element;
|
|
}
|
|
|
|
element.show();
|
|
element.first().one( 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 || $.noop;
|
|
speed = speed || 400;
|
|
stop = stop || false;
|
|
|
|
if ( ! element.is(':visible') ) {
|
|
return element;
|
|
}
|
|
|
|
if ( api.fade.transitions ) {
|
|
element.first().one( transitionend, function() {
|
|
if ( element.hasClass('fade-trigger') ) {
|
|
return;
|
|
}
|
|
|
|
element.hide();
|
|
callback();
|
|
});
|
|
setTimeout( function() { element.removeClass( 'fade-trigger' ); }, this.sensitivity );
|
|
} else {
|
|
if ( stop ) {
|
|
element.stop();
|
|
}
|
|
|
|
element.first().fadeOut( speed, callback );
|
|
|
|
if ( element.length > 1 ) {
|
|
element.not(':first').fadeOut( speed );
|
|
}
|
|
}
|
|
|
|
return element;
|
|
},
|
|
|
|
// Check if the browser supports CSS 3.0 transitions
|
|
transitions: ( function() {
|
|
var style = document.documentElement.style;
|
|
|
|
return ( typeof style.WebkitTransition === 'string' ||
|
|
typeof style.MozTransition === 'string' ||
|
|
typeof style.OTransition === 'string' ||
|
|
typeof style.transition === 'string' );
|
|
})()
|
|
};
|
|
|
|
/**
|
|
* Resize API
|
|
*
|
|
* Automatically updates textarea height.
|
|
*/
|
|
api.bind_resize = function() {
|
|
s.$dfwTextarea.on( 'keydown.wp-dfw-resize click.wp-dfw-resize paste.wp-dfw-resize', function() {
|
|
api.resizeTextarea();
|
|
});
|
|
};
|
|
|
|
api.resizeTextarea = function() {
|
|
var node = s.$dfwTextarea[0];
|
|
|
|
if ( node.scrollHeight > node.clientHeight ) {
|
|
node.style.height = node.scrollHeight + 50 + 'px';
|
|
}
|
|
};
|
|
|
|
// Export
|
|
window.wp = window.wp || {};
|
|
window.wp.editor = window.wp.editor || {};
|
|
window.wp.editor.fullscreen = api;
|
|
|
|
})( jQuery, window );
|