--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/js/editor-expand.js Tue Jun 09 03:35:32 2015 +0200
@@ -0,0 +1,1237 @@
+( function( window, $, undefined ) {
+ 'use strict';
+
+ var $window = $( window ),
+ $document = $( document ),
+ $adminBar = $( '#wpadminbar' ),
+ $footer = $( '#wpfooter' );
+
+ /* Autoresize editor. */
+ $( function() {
+ var $wrap = $( '#postdivrich' ),
+ $contentWrap = $( '#wp-content-wrap' ),
+ $tools = $( '#wp-content-editor-tools' ),
+ $visualTop = $(),
+ $visualEditor = $(),
+ $textTop = $( '#ed_toolbar' ),
+ $textEditor = $( '#content' ),
+ $textEditorClone = $( '<div id="content-textarea-clone" class="wp-exclude-emoji"></div>' ),
+ $bottom = $( '#post-status-info' ),
+ $menuBar = $(),
+ $statusBar = $(),
+ $sideSortables = $( '#side-sortables' ),
+ $postboxContainer = $( '#postbox-container-1' ),
+ $postBody = $('#post-body'),
+ fullscreen = window.wp.editor && window.wp.editor.fullscreen,
+ mceEditor,
+ mceBind = function(){},
+ mceUnbind = function(){},
+ fixedTop = false,
+ fixedBottom = false,
+ fixedSideTop = false,
+ fixedSideBottom = false,
+ scrollTimer,
+ lastScrollPosition = 0,
+ pageYOffsetAtTop = 130,
+ pinnedToolsTop = 56,
+ sidebarBottom = 20,
+ autoresizeMinHeight = 300,
+ initialMode = $contentWrap.hasClass( 'tmce-active' ) ? 'tinymce' : 'html',
+ advanced = !! parseInt( window.getUserSetting( 'hidetb' ), 10 ),
+ // These are corrected when adjust() runs, except on scrolling if already set.
+ heights = {
+ windowHeight: 0,
+ windowWidth: 0,
+ adminBarHeight: 0,
+ toolsHeight: 0,
+ menuBarHeight: 0,
+ visualTopHeight: 0,
+ textTopHeight: 0,
+ bottomHeight: 0,
+ statusBarHeight: 0,
+ sideSortablesHeight: 0
+ };
+
+ $textEditorClone.insertAfter( $textEditor );
+
+ $textEditorClone.css( {
+ 'font-family': $textEditor.css( 'font-family' ),
+ 'font-size': $textEditor.css( 'font-size' ),
+ 'line-height': $textEditor.css( 'line-height' ),
+ 'white-space': 'pre-wrap',
+ 'word-wrap': 'break-word'
+ } );
+
+ function getHeights() {
+ var windowWidth = $window.width();
+
+ heights = {
+ windowHeight: $window.height(),
+ windowWidth: windowWidth,
+ adminBarHeight: ( windowWidth > 600 ? $adminBar.outerHeight() : 0 ),
+ toolsHeight: $tools.outerHeight() || 0,
+ menuBarHeight: $menuBar.outerHeight() || 0,
+ visualTopHeight: $visualTop.outerHeight() || 0,
+ textTopHeight: $textTop.outerHeight() || 0,
+ bottomHeight: $bottom.outerHeight() || 0,
+ statusBarHeight: $statusBar.outerHeight() || 0,
+ sideSortablesHeight: $sideSortables.height() || 0
+ };
+
+ // Adjust for hidden
+ if ( heights.menuBarHeight < 3 ) {
+ heights.menuBarHeight = 0;
+ }
+ }
+
+ function textEditorKeyup( event ) {
+ var VK = jQuery.ui.keyCode,
+ key = event.keyCode,
+ range = document.createRange(),
+ selStart = $textEditor[0].selectionStart,
+ selEnd = $textEditor[0].selectionEnd,
+ textNode = $textEditorClone[0].firstChild,
+ buffer = 10,
+ offset, cursorTop, cursorBottom, editorTop, editorBottom;
+
+ if ( selStart && selEnd && selStart !== selEnd ) {
+ return;
+ }
+
+ // These are not TinyMCE ranges.
+ try {
+ range.setStart( textNode, selStart );
+ range.setEnd( textNode, selEnd + 1 );
+ } catch ( ex ) {}
+
+ offset = range.getBoundingClientRect();
+
+ if ( ! offset.height ) {
+ return;
+ }
+
+ cursorTop = offset.top - buffer;
+ cursorBottom = cursorTop + offset.height + buffer;
+ editorTop = heights.adminBarHeight + heights.toolsHeight + heights.textTopHeight;
+ editorBottom = heights.windowHeight - heights.bottomHeight;
+
+ if ( cursorTop < editorTop && ( key === VK.UP || key === VK.LEFT || key === VK.BACKSPACE ) ) {
+ window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset - editorTop );
+ } else if ( cursorBottom > editorBottom ) {
+ window.scrollTo( window.pageXOffset, cursorBottom + window.pageYOffset - editorBottom );
+ }
+ }
+
+ function textEditorResize() {
+ if ( ( mceEditor && ! mceEditor.isHidden() ) || ( ! mceEditor && initialMode === 'tinymce' ) ) {
+ return;
+ }
+
+ var textEditorHeight = $textEditor.height(),
+ hiddenHeight;
+
+ $textEditorClone.width( $textEditor.width() - 22 );
+ $textEditorClone.text( $textEditor.val() + ' ' );
+
+ hiddenHeight = $textEditorClone.height();
+
+ if ( hiddenHeight < autoresizeMinHeight ) {
+ hiddenHeight = autoresizeMinHeight;
+ }
+
+ if ( hiddenHeight === textEditorHeight ) {
+ return;
+ }
+
+ $textEditor.height( hiddenHeight );
+
+ adjust();
+ }
+
+ // We need to wait for TinyMCE to initialize.
+ $document.on( 'tinymce-editor-init.editor-expand', function( event, editor ) {
+ var VK = window.tinymce.util.VK,
+ hideFloatPanels = _.debounce( function() {
+ ! $( '.mce-floatpanel:hover' ).length && window.tinymce.ui.FloatPanel.hideAll();
+ $( '.mce-tooltip' ).hide();
+ }, 1000, true );
+
+ // Make sure it's the main editor.
+ if ( editor.id !== 'content' ) {
+ return;
+ }
+
+ // Copy the editor instance.
+ mceEditor = editor;
+
+ // Set the minimum height to the initial viewport height.
+ editor.settings.autoresize_min_height = autoresizeMinHeight;
+
+ // Get the necessary UI elements.
+ $visualTop = $contentWrap.find( '.mce-toolbar-grp' );
+ $visualEditor = $contentWrap.find( '.mce-edit-area' );
+ $statusBar = $contentWrap.find( '.mce-statusbar' );
+ $menuBar = $contentWrap.find( '.mce-menubar' );
+
+ function mceGetCursorOffset() {
+ var node = editor.selection.getNode(),
+ range, view, offset;
+
+ if ( editor.wp && editor.wp.getView && ( view = editor.wp.getView( node ) ) ) {
+ offset = view.getBoundingClientRect();
+ } else {
+ range = editor.selection.getRng();
+
+ try {
+ offset = range.getClientRects()[0];
+ } catch( er ) {}
+
+ if ( ! offset ) {
+ offset = node.getBoundingClientRect();
+ }
+ }
+
+ return offset.height ? offset : false;
+ }
+
+ // Make sure the cursor is always visible.
+ // This is not only necessary to keep the cursor between the toolbars,
+ // but also to scroll the window when the cursor moves out of the viewport to a wpview.
+ // Setting a buffer > 0 will prevent the browser default.
+ // Some browsers will scroll to the middle,
+ // others to the top/bottom of the *window* when moving the cursor out of the viewport.
+ function mceKeyup( event ) {
+ var key = event.keyCode;
+
+ // Bail on special keys.
+ if ( key <= 47 && ! ( key === VK.SPACEBAR || key === VK.ENTER || key === VK.DELETE || key === VK.BACKSPACE || key === VK.UP || key === VK.LEFT || key === VK.DOWN || key === VK.UP ) ) {
+ return;
+ // OS keys, function keys, num lock, scroll lock
+ } else if ( ( key >= 91 && key <= 93 ) || ( key >= 112 && key <= 123 ) || key === 144 || key === 145 ) {
+ return;
+ }
+
+ mceScroll( key );
+ }
+
+ function mceScroll( key ) {
+ var offset = mceGetCursorOffset(),
+ buffer = 50,
+ cursorTop, cursorBottom, editorTop, editorBottom;
+
+ if ( ! offset ) {
+ return;
+ }
+
+ cursorTop = offset.top + editor.iframeElement.getBoundingClientRect().top;
+ cursorBottom = cursorTop + offset.height;
+ cursorTop = cursorTop - buffer;
+ cursorBottom = cursorBottom + buffer;
+ editorTop = heights.adminBarHeight + heights.toolsHeight + heights.menuBarHeight + heights.visualTopHeight;
+ editorBottom = heights.windowHeight - ( advanced ? heights.bottomHeight + heights.statusBarHeight : 0 );
+
+ // Don't scroll if the node is taller than the visible part of the editor
+ if ( editorBottom - editorTop < offset.height ) {
+ return;
+ }
+
+ if ( cursorTop < editorTop && ( key === VK.UP || key === VK.LEFT || key === VK.BACKSPACE ) ) {
+ window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset - editorTop );
+ } else if ( cursorBottom > editorBottom ) {
+ window.scrollTo( window.pageXOffset, cursorBottom + window.pageYOffset - editorBottom );
+ }
+ }
+
+ function mceFullscreenToggled( event ) {
+ if ( ! event.state ) {
+ adjust();
+ }
+ }
+
+ // Adjust when switching editor modes.
+ function mceShow() {
+ $window.on( 'scroll.mce-float-panels', hideFloatPanels );
+
+ setTimeout( function() {
+ editor.execCommand( 'wpAutoResize' );
+ adjust();
+ }, 300 );
+ }
+
+ function mceHide() {
+ $window.off( 'scroll.mce-float-panels' );
+
+ setTimeout( function() {
+ var top = $contentWrap.offset().top;
+
+ if ( window.pageYOffset > top ) {
+ window.scrollTo( window.pageXOffset, top - heights.adminBarHeight );
+ }
+
+ textEditorResize();
+ adjust();
+ }, 100 );
+
+ adjust();
+ }
+
+ function toggleAdvanced() {
+ advanced = ! advanced;
+ }
+
+ mceBind = function() {
+ editor.on( 'keyup', mceKeyup );
+ editor.on( 'show', mceShow );
+ editor.on( 'hide', mceHide );
+ editor.on( 'wp-toolbar-toggle', toggleAdvanced );
+ // Adjust when the editor resizes.
+ editor.on( 'setcontent wp-autoresize wp-toolbar-toggle', adjust );
+ // Don't hide the caret after undo/redo.
+ editor.on( 'undo redo', mceScroll );
+ // Adjust when exiting TinyMCE's fullscreen mode.
+ editor.on( 'FullscreenStateChanged', mceFullscreenToggled );
+
+ $window.off( 'scroll.mce-float-panels' ).on( 'scroll.mce-float-panels', hideFloatPanels );
+ };
+
+ mceUnbind = function() {
+ editor.off( 'keyup', mceKeyup );
+ editor.off( 'show', mceShow );
+ editor.off( 'hide', mceHide );
+ editor.off( 'wp-toolbar-toggle', toggleAdvanced );
+ editor.off( 'setcontent wp-autoresize wp-toolbar-toggle', adjust );
+ editor.off( 'undo redo', mceScroll );
+ editor.off( 'FullscreenStateChanged', mceFullscreenToggled );
+
+ $window.off( 'scroll.mce-float-panels' );
+ };
+
+ if ( $wrap.hasClass( 'wp-editor-expand' ) ) {
+ // Adjust "immediately"
+ mceBind();
+ initialResize( adjust );
+ }
+ } );
+
+ // Adjust the toolbars based on the active editor mode.
+ function adjust( event ) {
+ // Make sure we're not in fullscreen mode.
+ if ( fullscreen && fullscreen.settings.visible ) {
+ return;
+ }
+
+ var windowPos = $window.scrollTop(),
+ type = event && event.type,
+ resize = type !== 'scroll',
+ visual = mceEditor && ! mceEditor.isHidden(),
+ buffer = autoresizeMinHeight,
+ postBodyTop = $postBody.offset().top,
+ borderWidth = 1,
+ contentWrapWidth = $contentWrap.width(),
+ $top, $editor, sidebarTop, footerTop, canPin,
+ topPos, topHeight, editorPos, editorHeight;
+
+ // Refresh the heights
+ if ( resize || ! heights.windowHeight ) {
+ getHeights();
+ }
+
+ if ( ! visual && type === 'resize' ) {
+ textEditorResize();
+ }
+
+ if ( visual ) {
+ $top = $visualTop;
+ $editor = $visualEditor;
+ topHeight = heights.visualTopHeight;
+ } else {
+ $top = $textTop;
+ $editor = $textEditor;
+ topHeight = heights.textTopHeight;
+ }
+
+ // TinyMCE still intializing.
+ if ( ! visual && ! $top.length ) {
+ return;
+ }
+
+ topPos = $top.parent().offset().top;
+ editorPos = $editor.offset().top;
+ editorHeight = $editor.outerHeight();
+
+ // Should we pin?
+ canPin = visual ? autoresizeMinHeight + topHeight : autoresizeMinHeight + 20; // 20px from textarea padding
+ canPin = editorHeight > ( canPin + 5 );
+
+ if ( ! canPin ) {
+ if ( resize ) {
+ $tools.css( {
+ position: 'absolute',
+ top: 0,
+ width: contentWrapWidth
+ } );
+
+ if ( visual && $menuBar.length ) {
+ $menuBar.css( {
+ position: 'absolute',
+ top: 0,
+ width: contentWrapWidth - ( borderWidth * 2 )
+ } );
+ }
+
+ $top.css( {
+ position: 'absolute',
+ top: heights.menuBarHeight,
+ width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+ } );
+
+ $statusBar.attr( 'style', advanced ? '' : 'visibility: hidden;' );
+ $bottom.attr( 'style', '' );
+ }
+ } else {
+ // Maybe pin the top.
+ if ( ( ! fixedTop || resize ) &&
+ // Handle scrolling down.
+ ( windowPos >= ( topPos - heights.toolsHeight - heights.adminBarHeight ) &&
+ // Handle scrolling up.
+ windowPos <= ( topPos - heights.toolsHeight - heights.adminBarHeight + editorHeight - buffer ) ) ) {
+ fixedTop = true;
+
+ $tools.css( {
+ position: 'fixed',
+ top: heights.adminBarHeight,
+ width: contentWrapWidth
+ } );
+
+ if ( visual && $menuBar.length ) {
+ $menuBar.css( {
+ position: 'fixed',
+ top: heights.adminBarHeight + heights.toolsHeight,
+ width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+ } );
+ }
+
+ $top.css( {
+ position: 'fixed',
+ top: heights.adminBarHeight + heights.toolsHeight + heights.menuBarHeight,
+ width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+ } );
+ // Maybe unpin the top.
+ } else if ( fixedTop || resize ) {
+ // Handle scrolling up.
+ if ( windowPos <= ( topPos - heights.toolsHeight - heights.adminBarHeight ) ) {
+ fixedTop = false;
+
+ $tools.css( {
+ position: 'absolute',
+ top: 0,
+ width: contentWrapWidth
+ } );
+
+ if ( visual && $menuBar.length ) {
+ $menuBar.css( {
+ position: 'absolute',
+ top: 0,
+ width: contentWrapWidth - ( borderWidth * 2 )
+ } );
+ }
+
+ $top.css( {
+ position: 'absolute',
+ top: heights.menuBarHeight,
+ width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+ } );
+ // Handle scrolling down.
+ } else if ( windowPos >= ( topPos - heights.toolsHeight - heights.adminBarHeight + editorHeight - buffer ) ) {
+ fixedTop = false;
+
+ $tools.css( {
+ position: 'absolute',
+ top: editorHeight - buffer,
+ width: contentWrapWidth
+ } );
+
+ if ( visual && $menuBar.length ) {
+ $menuBar.css( {
+ position: 'absolute',
+ top: editorHeight - buffer,
+ width: contentWrapWidth - ( borderWidth * 2 )
+ } );
+ }
+
+ $top.css( {
+ position: 'absolute',
+ top: editorHeight - buffer + heights.menuBarHeight,
+ width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
+ } );
+ }
+ }
+
+ // Maybe adjust the bottom bar.
+ if ( ( ! fixedBottom || ( resize && advanced ) ) &&
+ // +[n] for the border around the .wp-editor-container.
+ ( windowPos + heights.windowHeight ) <= ( editorPos + editorHeight + heights.bottomHeight + heights.statusBarHeight + borderWidth ) ) {
+
+ if ( event && event.deltaHeight > 0 && event.deltaHeight < 100 ) {
+ window.scrollBy( 0, event.deltaHeight );
+ } else if ( advanced ) {
+ fixedBottom = true;
+
+ $statusBar.css( {
+ position: 'fixed',
+ bottom: heights.bottomHeight,
+ visibility: '',
+ width: contentWrapWidth - ( borderWidth * 2 )
+ } );
+
+ $bottom.css( {
+ position: 'fixed',
+ bottom: 0,
+ width: contentWrapWidth
+ } );
+ }
+ } else if ( ( ! advanced && fixedBottom ) ||
+ ( ( fixedBottom || resize ) &&
+ ( windowPos + heights.windowHeight ) > ( editorPos + editorHeight + heights.bottomHeight + heights.statusBarHeight - borderWidth ) ) ) {
+ fixedBottom = false;
+
+ $statusBar.attr( 'style', advanced ? '' : 'visibility: hidden;' );
+ $bottom.attr( 'style', '' );
+ }
+ }
+
+ // Sidebar pinning
+ if ( $postboxContainer.width() < 300 && heights.windowWidth > 600 && // sidebar position is changed with @media from CSS, make sure it is on the side
+ $document.height() > ( $sideSortables.height() + postBodyTop + 120 ) && // the sidebar is not the tallest element
+ heights.windowHeight < editorHeight ) { // the editor is taller than the viewport
+
+ if ( ( heights.sideSortablesHeight + pinnedToolsTop + sidebarBottom ) > heights.windowHeight || fixedSideTop || fixedSideBottom ) {
+ // Reset when scrolling to the top
+ if ( windowPos + pinnedToolsTop <= postBodyTop ) {
+ $sideSortables.attr( 'style', '' );
+ fixedSideTop = fixedSideBottom = false;
+ } else {
+ if ( windowPos > lastScrollPosition ) {
+ // Scrolling down
+ if ( fixedSideTop ) {
+ // let it scroll
+ fixedSideTop = false;
+ sidebarTop = $sideSortables.offset().top - heights.adminBarHeight;
+ footerTop = $footer.offset().top;
+
+ // don't get over the footer
+ if ( footerTop < sidebarTop + heights.sideSortablesHeight + sidebarBottom ) {
+ sidebarTop = footerTop - heights.sideSortablesHeight - 12;
+ }
+
+ $sideSortables.css({
+ position: 'absolute',
+ top: sidebarTop,
+ bottom: ''
+ });
+ } else if ( ! fixedSideBottom && heights.sideSortablesHeight + $sideSortables.offset().top + sidebarBottom < windowPos + heights.windowHeight ) {
+ // pin the bottom
+ fixedSideBottom = true;
+
+ $sideSortables.css({
+ position: 'fixed',
+ top: 'auto',
+ bottom: sidebarBottom
+ });
+ }
+ } else if ( windowPos < lastScrollPosition ) {
+ // Scrolling up
+ if ( fixedSideBottom ) {
+ // let it scroll
+ fixedSideBottom = false;
+ sidebarTop = $sideSortables.offset().top - sidebarBottom;
+ footerTop = $footer.offset().top;
+
+ // don't get over the footer
+ if ( footerTop < sidebarTop + heights.sideSortablesHeight + sidebarBottom ) {
+ sidebarTop = footerTop - heights.sideSortablesHeight - 12;
+ }
+
+ $sideSortables.css({
+ position: 'absolute',
+ top: sidebarTop,
+ bottom: ''
+ });
+ } else if ( ! fixedSideTop && $sideSortables.offset().top >= windowPos + pinnedToolsTop ) {
+ // pin the top
+ fixedSideTop = true;
+
+ $sideSortables.css({
+ position: 'fixed',
+ top: pinnedToolsTop,
+ bottom: ''
+ });
+ }
+ }
+ }
+ } else {
+ // if the sidebar container is smaller than the viewport, then pin/unpin the top when scrolling
+ if ( windowPos >= ( postBodyTop - pinnedToolsTop ) ) {
+
+ $sideSortables.css( {
+ position: 'fixed',
+ top: pinnedToolsTop
+ } );
+ } else {
+ $sideSortables.attr( 'style', '' );
+ }
+
+ fixedSideTop = fixedSideBottom = false;
+ }
+
+ lastScrollPosition = windowPos;
+ } else {
+ $sideSortables.attr( 'style', '' );
+ fixedSideTop = fixedSideBottom = false;
+ }
+
+ if ( resize ) {
+ $contentWrap.css( {
+ paddingTop: heights.toolsHeight
+ } );
+
+ if ( visual ) {
+ $visualEditor.css( {
+ paddingTop: heights.visualTopHeight + heights.menuBarHeight
+ } );
+ } else {
+ $textEditor.css( {
+ marginTop: heights.textTopHeight
+ } );
+
+ $textEditorClone.width( contentWrapWidth - 20 - ( borderWidth * 2 ) );
+ }
+ }
+ }
+
+ function fullscreenHide() {
+ textEditorResize();
+ adjust();
+ }
+
+ function initialResize( callback ) {
+ for ( var i = 1; i < 6; i++ ) {
+ setTimeout( callback, 500 * i );
+ }
+ }
+
+ function afterScroll() {
+ clearTimeout( scrollTimer );
+ scrollTimer = setTimeout( adjust, 100 );
+ }
+
+ function on() {
+ // Scroll to the top when triggering this from JS.
+ // Ensures toolbars are pinned properly.
+ if ( window.pageYOffset && window.pageYOffset > pageYOffsetAtTop ) {
+ window.scrollTo( window.pageXOffset, 0 );
+ }
+
+ $wrap.addClass( 'wp-editor-expand' );
+
+ // Adjust when the window is scrolled or resized.
+ $window.on( 'scroll.editor-expand resize.editor-expand', function( event ) {
+ adjust( event.type );
+ afterScroll();
+ } );
+
+ // Adjust when collapsing the menu, changing the columns, changing the body class.
+ $document.on( 'wp-collapse-menu.editor-expand postboxes-columnchange.editor-expand editor-classchange.editor-expand', adjust )
+ .on( 'postbox-toggled.editor-expand', function() {
+ if ( ! fixedSideTop && ! fixedSideBottom && window.pageYOffset > pinnedToolsTop ) {
+ fixedSideBottom = true;
+ window.scrollBy( 0, -1 );
+ adjust();
+ window.scrollBy( 0, 1 );
+ }
+
+ adjust();
+ }).on( 'wp-window-resized.editor-expand', function() {
+ if ( mceEditor && ! mceEditor.isHidden() ) {
+ mceEditor.execCommand( 'wpAutoResize' );
+ } else {
+ textEditorResize();
+ }
+ });
+
+ $textEditor.on( 'focus.editor-expand input.editor-expand propertychange.editor-expand', textEditorResize );
+ $textEditor.on( 'keyup.editor-expand', textEditorKeyup );
+ mceBind();
+
+ // Adjust when entering/exiting fullscreen mode.
+ fullscreen && fullscreen.pubsub.subscribe( 'hidden', fullscreenHide );
+
+ if ( mceEditor ) {
+ mceEditor.settings.wp_autoresize_on = true;
+ mceEditor.execCommand( 'wpAutoResizeOn' );
+
+ if ( ! mceEditor.isHidden() ) {
+ mceEditor.execCommand( 'wpAutoResize' );
+ }
+ }
+
+ if ( ! mceEditor || mceEditor.isHidden() ) {
+ textEditorResize();
+ }
+
+ adjust();
+
+ $document.trigger( 'editor-expand-on' );
+ }
+
+ function off() {
+ var height = parseInt( window.getUserSetting( 'ed_size', 300 ), 10 );
+
+ if ( height < 50 ) {
+ height = 50;
+ } else if ( height > 5000 ) {
+ height = 5000;
+ }
+
+ // Scroll to the top when triggering this from JS.
+ // Ensures toolbars are reset properly.
+ if ( window.pageYOffset && window.pageYOffset > pageYOffsetAtTop ) {
+ window.scrollTo( window.pageXOffset, 0 );
+ }
+
+ $wrap.removeClass( 'wp-editor-expand' );
+
+ $window.off( '.editor-expand' );
+ $document.off( '.editor-expand' );
+ $textEditor.off( '.editor-expand' );
+ mceUnbind();
+
+ // Adjust when entering/exiting fullscreen mode.
+ fullscreen && fullscreen.pubsub.unsubscribe( 'hidden', fullscreenHide );
+
+ // Reset all css
+ $.each( [ $visualTop, $textTop, $tools, $menuBar, $bottom, $statusBar, $contentWrap, $visualEditor, $textEditor, $sideSortables ], function( i, element ) {
+ element && element.attr( 'style', '' );
+ });
+
+ fixedTop = fixedBottom = fixedSideTop = fixedSideBottom = false;
+
+ if ( mceEditor ) {
+ mceEditor.settings.wp_autoresize_on = false;
+ mceEditor.execCommand( 'wpAutoResizeOff' );
+
+ if ( ! mceEditor.isHidden() ) {
+ $textEditor.hide();
+
+ if ( height ) {
+ mceEditor.theme.resizeTo( null, height );
+ }
+ }
+ }
+
+ if ( height ) {
+ $textEditor.height( height );
+ }
+
+ $document.trigger( 'editor-expand-off' );
+ }
+
+ // Start on load
+ if ( $wrap.hasClass( 'wp-editor-expand' ) ) {
+ on();
+
+ // Ideally we need to resize just after CSS has fully loaded and QuickTags is ready.
+ if ( $contentWrap.hasClass( 'html-active' ) ) {
+ initialResize( function() {
+ adjust();
+ textEditorResize();
+ } );
+ }
+ }
+
+ // Show the on/off checkbox
+ $( '#adv-settings .editor-expand' ).show();
+ $( '#editor-expand-toggle' ).on( 'change.editor-expand', function() {
+ if ( $(this).prop( 'checked' ) ) {
+ on();
+ window.setUserSetting( 'editor_expand', 'on' );
+ } else {
+ off();
+ window.setUserSetting( 'editor_expand', 'off' );
+ }
+ });
+
+ // Expose on() and off()
+ window.editorExpand = {
+ on: on,
+ off: off
+ };
+ } );
+
+ /* DFW. */
+ $( function() {
+ var $body = $( document.body ),
+ $wrap = $( '#wpcontent' ),
+ $editor = $( '#post-body-content' ),
+ $title = $( '#title' ),
+ $content = $( '#content' ),
+ $overlay = $( document.createElement( 'DIV' ) ),
+ $slug = $( '#edit-slug-box' ),
+ $slugFocusEl = $slug.find( 'a' )
+ .add( $slug.find( 'button' ) )
+ .add( $slug.find( 'input' ) ),
+ $menuWrap = $( '#adminmenuwrap' ),
+ $editorWindow = $(),
+ $editorIframe = $(),
+ _isActive = window.getUserSetting( 'editor_expand', 'on' ) === 'on',
+ _isOn = _isActive ? window.getUserSetting( 'post_dfw' ) === 'on' : false,
+ traveledX = 0,
+ traveledY = 0,
+ buffer = 20,
+ faded, fadedAdminBar, fadedSlug,
+ editorRect, x, y, mouseY, scrollY,
+ focusLostTimer, overlayTimer, editorHasFocus;
+
+ $body.append( $overlay );
+
+ $overlay.css( {
+ display: 'none',
+ position: 'fixed',
+ top: $adminBar.height(),
+ right: 0,
+ bottom: 0,
+ left: 0,
+ 'z-index': 9997
+ } );
+
+ $editor.css( {
+ position: 'relative'
+ } );
+
+ $window.on( 'mousemove.focus', function( event ) {
+ mouseY = event.pageY;
+ } );
+
+ function recalcEditorRect() {
+ editorRect = $editor.offset();
+ editorRect.right = editorRect.left + $editor.outerWidth();
+ editorRect.bottom = editorRect.top + $editor.outerHeight();
+ }
+
+ function activate() {
+ if ( ! _isActive ) {
+ _isActive = true;
+
+ $document.trigger( 'dfw-activate' );
+ $content.on( 'keydown.focus-shortcut', toggleViaKeyboard );
+ }
+ }
+
+ function deactivate() {
+ if ( _isActive ) {
+ off();
+
+ _isActive = false;
+
+ $document.trigger( 'dfw-deactivate' );
+ $content.off( 'keydown.focus-shortcut' );
+ }
+ }
+
+ function isActive() {
+ return _isActive;
+ }
+
+ function on() {
+ if ( ! _isOn && _isActive ) {
+ _isOn = true;
+
+ $content.on( 'keydown.focus', fadeOut );
+
+ $title.add( $content ).on( 'blur.focus', maybeFadeIn );
+
+ fadeOut();
+
+ window.setUserSetting( 'post_dfw', 'on' );
+
+ $document.trigger( 'dfw-on' );
+ }
+ }
+
+ function off() {
+ if ( _isOn ) {
+ _isOn = false;
+
+ $title.add( $content ).off( '.focus' );
+
+ fadeIn();
+
+ $editor.off( '.focus' );
+
+ window.setUserSetting( 'post_dfw', 'off' );
+
+ $document.trigger( 'dfw-off' );
+ }
+ }
+
+ function toggle() {
+ if ( _isOn ) {
+ off();
+ } else {
+ on();
+ }
+ }
+
+ function isOn() {
+ return _isOn;
+ }
+
+ function fadeOut( event ) {
+ var key = event && event.keyCode;
+
+ // fadeIn and return on Escape and keyboard shortcut Alt+Shift+W.
+ if ( key === 27 || ( key === 87 && event.altKey && event.shiftKey ) ) {
+ fadeIn( event );
+ return;
+ }
+
+ if ( event && ( event.metaKey || ( event.ctrlKey && ! event.altKey ) || ( event.altKey && event.shiftKey ) || ( key && (
+ // Special keys ( tab, ctrl, alt, esc, arrow keys... )
+ ( key <= 47 && key !== 8 && key !== 13 && key !== 32 && key !== 46 ) ||
+ // Windows keys
+ ( key >= 91 && key <= 93 ) ||
+ // F keys
+ ( key >= 112 && key <= 135 ) ||
+ // Num Lock, Scroll Lock, OEM
+ ( key >= 144 && key <= 150 ) ||
+ // OEM or non-printable
+ key >= 224
+ ) ) ) ) {
+ return;
+ }
+
+ if ( ! faded ) {
+ faded = true;
+
+ clearTimeout( overlayTimer );
+
+ overlayTimer = setTimeout( function() {
+ $overlay.show();
+ }, 600 );
+
+ $editor.css( 'z-index', 9998 );
+
+ $overlay
+ // Always recalculate the editor area entering the overlay with the mouse.
+ .on( 'mouseenter.focus', function() {
+ recalcEditorRect();
+
+ $window.on( 'scroll.focus', function() {
+ var nScrollY = window.pageYOffset;
+
+ if ( (
+ scrollY && mouseY &&
+ scrollY !== nScrollY
+ ) && (
+ mouseY < editorRect.top - buffer ||
+ mouseY > editorRect.bottom + buffer
+ ) ) {
+ fadeIn();
+ }
+
+ scrollY = nScrollY;
+ } );
+ } )
+ .on( 'mouseleave.focus', function() {
+ x = y = null;
+ traveledX = traveledY = 0;
+
+ $window.off( 'scroll.focus' );
+ } )
+ // Fade in when the mouse moves away form the editor area.
+ .on( 'mousemove.focus', function( event ) {
+ var nx = event.clientX,
+ ny = event.clientY,
+ pageYOffset = window.pageYOffset,
+ pageXOffset = window.pageXOffset;
+
+ if ( x && y && ( nx !== x || ny !== y ) ) {
+ if (
+ ( ny <= y && ny < editorRect.top - pageYOffset ) ||
+ ( ny >= y && ny > editorRect.bottom - pageYOffset ) ||
+ ( nx <= x && nx < editorRect.left - pageXOffset ) ||
+ ( nx >= x && nx > editorRect.right - pageXOffset )
+ ) {
+ traveledX += Math.abs( x - nx );
+ traveledY += Math.abs( y - ny );
+
+ if ( (
+ ny <= editorRect.top - buffer - pageYOffset ||
+ ny >= editorRect.bottom + buffer - pageYOffset ||
+ nx <= editorRect.left - buffer - pageXOffset ||
+ nx >= editorRect.right + buffer - pageXOffset
+ ) && (
+ traveledX > 10 ||
+ traveledY > 10
+ ) ) {
+ fadeIn();
+
+ x = y = null;
+ traveledX = traveledY = 0;
+
+ return;
+ }
+ } else {
+ traveledX = traveledY = 0;
+ }
+ }
+
+ x = nx;
+ y = ny;
+ } )
+ // When the overlay is touched, always fade in and cancel the event.
+ .on( 'touchstart.focus', function( event ) {
+ event.preventDefault();
+ fadeIn();
+ } );
+
+ $editor.off( 'mouseenter.focus' );
+
+ if ( focusLostTimer ) {
+ clearTimeout( focusLostTimer );
+ focusLostTimer = null;
+ }
+
+ $body.addClass( 'focus-on' ).removeClass( 'focus-off' );
+ }
+
+ fadeOutAdminBar();
+ fadeOutSlug();
+ }
+
+ function fadeIn( event ) {
+ if ( faded ) {
+ faded = false;
+
+ clearTimeout( overlayTimer );
+
+ overlayTimer = setTimeout( function() {
+ $overlay.hide();
+ }, 200 );
+
+ $editor.css( 'z-index', '' );
+
+ $overlay.off( 'mouseenter.focus mouseleave.focus mousemove.focus touchstart.focus' );
+
+ /*
+ * When fading in, temporarily watch for refocus and fade back out - helps
+ * with 'accidental' editor exits with the mouse. When fading in and the event
+ * is a key event (Escape or Alt+Shift+W) don't watch for refocus.
+ */
+ if ( 'undefined' === typeof event ) {
+ $editor.on( 'mouseenter.focus', function() {
+ if ( $.contains( $editor.get( 0 ), document.activeElement ) || editorHasFocus ) {
+ fadeOut();
+ }
+ } );
+ }
+
+ focusLostTimer = setTimeout( function() {
+ focusLostTimer = null;
+ $editor.off( 'mouseenter.focus' );
+ }, 1000 );
+
+ $body.addClass( 'focus-off' ).removeClass( 'focus-on' );
+ }
+
+ fadeInAdminBar();
+ fadeInSlug();
+ }
+
+ function maybeFadeIn() {
+ setTimeout( function() {
+ var position = document.activeElement.compareDocumentPosition( $editor.get( 0 ) );
+
+ function hasFocus( $el ) {
+ return $.contains( $el.get( 0 ), document.activeElement );
+ }
+
+ // The focused node is before or behind the editor area, and not outside the wrap.
+ if ( ( position === 2 || position === 4 ) && ( hasFocus( $menuWrap ) || hasFocus( $wrap ) || hasFocus( $footer ) ) ) {
+ fadeIn();
+ }
+ }, 0 );
+ }
+
+ function fadeOutAdminBar() {
+ if ( ! fadedAdminBar && faded ) {
+ fadedAdminBar = true;
+
+ $adminBar
+ .on( 'mouseenter.focus', function() {
+ $adminBar.addClass( 'focus-off' );
+ } )
+ .on( 'mouseleave.focus', function() {
+ $adminBar.removeClass( 'focus-off' );
+ } );
+ }
+ }
+
+ function fadeInAdminBar() {
+ if ( fadedAdminBar ) {
+ fadedAdminBar = false;
+
+ $adminBar.off( '.focus' );
+ }
+ }
+
+ function fadeOutSlug() {
+ if ( ! fadedSlug && faded && ! $slug.find( ':focus').length ) {
+ fadedSlug = true;
+
+ $slug.stop().fadeTo( 'fast', 0.3 ).on( 'mouseenter.focus', fadeInSlug ).off( 'mouseleave.focus' );
+
+ $slugFocusEl.on( 'focus.focus', fadeInSlug ).off( 'blur.focus' );
+ }
+ }
+
+ function fadeInSlug() {
+ if ( fadedSlug ) {
+ fadedSlug = false;
+
+ $slug.stop().fadeTo( 'fast', 1 ).on( 'mouseleave.focus', fadeOutSlug ).off( 'mouseenter.focus' );
+
+ $slugFocusEl.on( 'blur.focus', fadeOutSlug ).off( 'focus.focus' );
+ }
+ }
+
+ function toggleViaKeyboard( event ) {
+ if ( event.altKey && event.shiftKey && 87 === event.keyCode ) {
+ toggle();
+ }
+ }
+
+ if ( $( '#postdivrich' ).hasClass( 'wp-editor-expand' ) ) {
+ $content.on( 'keydown.focus-shortcut', toggleViaKeyboard );
+ }
+
+ $document.on( 'tinymce-editor-setup.focus', function( event, editor ) {
+ editor.addButton( 'dfw', {
+ active: _isOn,
+ classes: 'wp-dfw btn widget',
+ disabled: ! _isActive,
+ onclick: toggle,
+ onPostRender: function() {
+ var button = this;
+
+ $document
+ .on( 'dfw-activate.focus', function() {
+ button.disabled( false );
+ } )
+ .on( 'dfw-deactivate.focus', function() {
+ button.disabled( true );
+ } )
+ .on( 'dfw-on.focus', function() {
+ button.active( true );
+ } )
+ .on( 'dfw-off.focus', function() {
+ button.active( false );
+ } );
+ },
+ tooltip: 'Distraction-free writing mode',
+ shortcut: 'Alt+Shift+W'
+ } );
+
+ editor.addCommand( 'wpToggleDFW', toggle );
+ editor.addShortcut( 'alt+shift+w', '', 'wpToggleDFW' );
+ } );
+
+ $document.on( 'tinymce-editor-init.focus', function( event, editor ) {
+ var mceBind, mceUnbind;
+
+ function focus() {
+ editorHasFocus = true;
+ }
+
+ function blur() {
+ editorHasFocus = false;
+ }
+
+ if ( editor.id === 'content' ) {
+ $editorWindow = $( editor.getWin() );
+ $editorIframe = $( editor.getContentAreaContainer() ).find( 'iframe' );
+
+ mceBind = function() {
+ editor.on( 'keydown', fadeOut );
+ editor.on( 'blur', maybeFadeIn );
+ editor.on( 'focus', focus );
+ editor.on( 'blur', blur );
+ editor.on( 'wp-autoresize', recalcEditorRect );
+ };
+
+ mceUnbind = function() {
+ editor.off( 'keydown', fadeOut );
+ editor.off( 'blur', maybeFadeIn );
+ editor.off( 'focus', focus );
+ editor.off( 'blur', blur );
+ editor.off( 'wp-autoresize', recalcEditorRect );
+ };
+
+ if ( _isOn ) {
+ mceBind();
+ }
+
+ $document.on( 'dfw-on.focus', mceBind ).on( 'dfw-off.focus', mceUnbind );
+
+ // Make sure the body focuses when clicking outside it.
+ editor.on( 'click', function( event ) {
+ if ( event.target === editor.getDoc().documentElement ) {
+ editor.focus();
+ }
+ } );
+ }
+ } );
+
+ $document.on( 'quicktags-init', function( event, editor ) {
+ var $button;
+
+ if ( editor.settings.buttons && ( ',' + editor.settings.buttons + ',' ).indexOf( ',dfw,' ) !== -1 ) {
+ $button = $( '#' + editor.name + '_dfw' );
+
+ $( document )
+ .on( 'dfw-activate', function() {
+ $button.prop( 'disabled', false );
+ } )
+ .on( 'dfw-deactivate', function() {
+ $button.prop( 'disabled', true );
+ } )
+ .on( 'dfw-on', function() {
+ $button.addClass( 'active' );
+ } )
+ .on( 'dfw-off', function() {
+ $button.removeClass( 'active' );
+ } );
+ }
+ } );
+
+ $document.on( 'editor-expand-on.focus', activate ).on( 'editor-expand-off.focus', deactivate );
+
+ if ( _isOn ) {
+ $content.on( 'keydown.focus', fadeOut );
+
+ $title.add( $content ).on( 'blur.focus', maybeFadeIn );
+ }
+
+ window.wp = window.wp || {};
+ window.wp.editor = window.wp.editor || {};
+ window.wp.editor.dfw = {
+ activate: activate,
+ deactivate: deactivate,
+ isActive: isActive,
+ on: on,
+ off: off,
+ toggle: toggle,
+ isOn: isOn
+ };
+ } );
+} )( window, window.jQuery );