719 lines
20 KiB
JavaScript
719 lines
20 KiB
JavaScript
/* global tinymce */
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/**
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* WordPress View plugin.
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*/
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tinymce.PluginManager.add( 'wpview', function( editor ) {
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var selected,
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Env = tinymce.Env,
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VK = tinymce.util.VK,
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TreeWalker = tinymce.dom.TreeWalker,
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toRemove = false,
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firstFocus = true,
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_noop = function() { return false; },
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isios = /iPad|iPod|iPhone/.test( navigator.userAgent ),
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cursorInterval, lastKeyDownNode, setViewCursorTries, focus, execCommandView, execCommandBefore;
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function getView( node ) {
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return getParent( node, 'wpview-wrap' );
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}
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/**
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* Returns the node or a parent of the node that has the passed className.
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* Doing this directly is about 40% faster
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*/
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function getParent( node, className ) {
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while ( node && node.parentNode ) {
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if ( node.className && ( ' ' + node.className + ' ' ).indexOf( ' ' + className + ' ' ) !== -1 ) {
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return node;
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}
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node = node.parentNode;
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}
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return false;
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}
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/**
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* Get the text/shortcode string for a view.
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*
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* @param view The view wrapper's node
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* @returns string The text/shoercode string of the view
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*/
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function getViewText( view ) {
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if ( view = getView( view ) ) {
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return window.decodeURIComponent( editor.dom.getAttrib( view, 'data-wpview-text' ) || '' );
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}
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return '';
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}
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/**
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* Set the view's original text/shortcode string
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*
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* @param view The view wrapper's HTML id or node
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* @param text The text string to be set
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*/
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function setViewText( view, text ) {
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view = getView( view );
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if ( view ) {
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editor.dom.setAttrib( view, 'data-wpview-text', window.encodeURIComponent( text || '' ) );
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return true;
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}
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return false;
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}
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function _stop( event ) {
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event.stopPropagation();
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}
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function setViewCursor( before, view ) {
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var location = before ? 'before' : 'after',
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offset = before ? 0 : 1;
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deselect();
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editor.selection.setCursorLocation( editor.dom.select( '.wpview-selection-' + location, view )[0], offset );
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editor.nodeChanged();
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}
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function handleEnter( view, before, key ) {
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var dom = editor.dom,
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padNode = dom.create( 'p' );
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if ( ! ( Env.ie && Env.ie < 11 ) ) {
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padNode.innerHTML = '<br data-mce-bogus="1">';
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}
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if ( before ) {
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view.parentNode.insertBefore( padNode, view );
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} else {
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dom.insertAfter( padNode, view );
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}
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deselect();
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if ( before && key === VK.ENTER ) {
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setViewCursor( before, view );
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} else {
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editor.selection.setCursorLocation( padNode, 0 );
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}
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editor.nodeChanged();
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}
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function removeView( view ) {
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// TODO: trigger an event to run a clean up function.
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// Maybe `jQuery( view ).trigger( 'remove' );`?
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editor.undoManager.transact( function() {
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handleEnter( view );
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editor.dom.remove( view );
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});
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}
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function select( viewNode ) {
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var clipboard,
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dom = editor.dom;
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if ( ! viewNode ) {
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return;
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}
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// Adjust the toolbar position and bail if node is already selected.
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if ( viewNode === selected ) {
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adjustToolbarPosition( viewNode );
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return;
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}
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// Make sure that the editor is focused.
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// It is possible that the editor is not focused when the mouse event fires
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// without focus, the selection will not work properly.
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editor.getBody().focus();
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deselect();
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selected = viewNode;
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dom.setAttrib( viewNode, 'data-mce-selected', 1 );
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adjustToolbarPosition( viewNode );
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clipboard = dom.create( 'div', {
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'class': 'wpview-clipboard',
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'contenteditable': 'true'
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}, getViewText( viewNode ) );
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editor.dom.select( '.wpview-body', viewNode )[0].appendChild( clipboard );
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// Both of the following are necessary to prevent manipulating the selection/focus
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dom.bind( clipboard, 'beforedeactivate focusin focusout', _stop );
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dom.bind( selected, 'beforedeactivate focusin focusout', _stop );
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// select the hidden div
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if ( isios ) {
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editor.selection.select( clipboard );
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} else {
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editor.selection.select( clipboard, true );
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}
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editor.nodeChanged();
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editor.fire( 'wpview-selected', viewNode );
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}
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function adjustToolbarPosition( viewNode ) {
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var delta = 0,
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toolbar = editor.$( viewNode ).find( '.toolbar' ),
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editorToolbar = tinymce.$( editor.editorContainer ).find( '.mce-toolbar-grp' )[0],
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editorToolbarBottom = ( editorToolbar && editorToolbar.getBoundingClientRect().bottom ) || 0;
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if ( toolbar.length && editor.iframeElement ) {
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// 48 = 43 for the toolbar + 5 buffer
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delta = viewNode.getBoundingClientRect().top + editor.iframeElement.getBoundingClientRect().top - editorToolbarBottom - 48;
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}
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if ( delta < 0 ) {
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toolbar.removeClass( 'mce-arrow-down' ).css({ top: ( -43 + delta * -1 ) });
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} else if ( delta > 0 && ! toolbar.hasClass( 'mce-arrow-down' ) ) {
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toolbar.addClass( 'mce-arrow-down' ).css({ top: '' });
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}
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}
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/**
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* Deselect a selected view and remove clipboard
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*/
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function deselect() {
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var clipboard,
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dom = editor.dom;
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if ( selected ) {
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clipboard = editor.dom.select( '.wpview-clipboard', selected )[0];
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dom.unbind( clipboard );
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dom.remove( clipboard );
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dom.unbind( selected, 'beforedeactivate focusin focusout click mouseup', _stop );
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dom.setAttrib( selected, 'data-mce-selected', null );
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}
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selected = null;
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}
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// Check if the `wp.mce` API exists.
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if ( typeof wp === 'undefined' || ! wp.mce ) {
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return {
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getViewText: _noop,
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setViewText: _noop,
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getView: _noop
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};
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}
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// Remove the content of view wrappers from HTML string
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function emptyViews( content ) {
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return content.replace(/<div[^>]+data-wpview-text=\"([^"]+)"[^>]*>[\s\S]+?wpview-selection-after[^>]+>(?: |\u00a0)*<\/p><\/div>/g, '$1' );
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}
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// Prevent adding undo levels on changes inside a view wrapper
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editor.on( 'BeforeAddUndo', function( event ) {
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if ( event.lastLevel && emptyViews( event.level.content ) === emptyViews( event.lastLevel.content ) ) {
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event.preventDefault();
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}
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});
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// When the editor's content changes, scan the new content for
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// matching view patterns, and transform the matches into
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// view wrappers.
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editor.on( 'BeforeSetContent', function( event ) {
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var node;
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if ( ! event.content ) {
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return;
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}
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if ( selected ) {
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removeView( selected );
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}
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node = editor.selection.getNode();
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// When a url is pasted, only try to embed it when pasted in an empty paragrapgh.
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if ( event.content.match( /^\s*(https?:\/\/[^\s"]+)\s*$/i ) &&
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( node.nodeName !== 'P' || node.parentNode !== editor.getBody() || ! editor.dom.isEmpty( node ) ) ) {
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return;
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}
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event.content = wp.mce.views.toViews( event.content );
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});
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// When the editor's content has been updated and the DOM has been
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// processed, render the views in the document.
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editor.on( 'SetContent', function() {
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wp.mce.views.render();
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});
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// Set the cursor before or after a view when clicking next to it.
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editor.on( 'click', function( event ) {
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var x = event.clientX,
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y = event.clientY,
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body = editor.getBody(),
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bodyRect = body.getBoundingClientRect(),
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first = body.firstChild,
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firstRect = first.getBoundingClientRect(),
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last = body.lastChild,
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lastRect = last.getBoundingClientRect(),
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view;
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if ( y < firstRect.top && ( view = getView( first ) ) ) {
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setViewCursor( true, view );
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event.preventDefault();
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} else if ( y > lastRect.bottom && ( view = getView( last ) ) ) {
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setViewCursor( false, view );
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event.preventDefault();
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} else {
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tinymce.each( editor.dom.select( '.wpview-wrap' ), function( view ) {
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var rect = view.getBoundingClientRect();
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if ( y >= rect.top && y <= rect.bottom ) {
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if ( x < bodyRect.left ) {
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setViewCursor( true, view );
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event.preventDefault();
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} else if ( x > bodyRect.right ) {
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setViewCursor( false, view );
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event.preventDefault();
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}
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return;
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}
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});
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}
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});
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editor.on( 'init', function() {
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var scrolled = false,
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selection = editor.selection,
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MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
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// When a view is selected, ensure content that is being pasted
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// or inserted is added to a text node (instead of the view).
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editor.on( 'BeforeSetContent', function() {
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var walker, target,
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view = getView( selection.getNode() );
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// If the selection is not within a view, bail.
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if ( ! view ) {
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return;
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}
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if ( ! view.nextSibling || getView( view.nextSibling ) ) {
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// If there are no additional nodes or the next node is a
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// view, create a text node after the current view.
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target = editor.getDoc().createTextNode('');
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editor.dom.insertAfter( target, view );
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} else {
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// Otherwise, find the next text node.
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walker = new TreeWalker( view.nextSibling, view.nextSibling );
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target = walker.next();
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}
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// Select the `target` text node.
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selection.select( target );
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selection.collapse( true );
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});
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editor.dom.bind( editor.getDoc(), 'touchmove', function() {
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scrolled = true;
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});
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editor.on( 'mousedown mouseup click touchend', function( event ) {
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var view = getView( event.target );
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firstFocus = false;
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// Contain clicks inside the view wrapper
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if ( view ) {
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event.stopImmediatePropagation();
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event.preventDefault();
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if ( ( event.type === 'touchend' || event.type === 'mousedown' ) && ! event.metaKey && ! event.ctrlKey ) {
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if ( editor.dom.hasClass( event.target, 'edit' ) ) {
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wp.mce.views.edit( view );
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editor.focus();
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return false;
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} else if ( editor.dom.hasClass( event.target, 'remove' ) ) {
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removeView( view );
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return false;
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}
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}
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if ( event.type === 'touchend' && scrolled ) {
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scrolled = false;
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} else {
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select( view );
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}
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// Returning false stops the ugly bars from appearing in IE11 and stops the view being selected as a range in FF.
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// Unfortunately, it also inhibits the dragging of views to a new location.
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return false;
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} else {
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if ( event.type === 'touchend' || event.type === 'mousedown' ) {
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deselect();
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}
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}
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if ( event.type === 'touchend' && scrolled ) {
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scrolled = false;
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}
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}, true );
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if ( MutationObserver ) {
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new MutationObserver( function() {
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editor.fire( 'wp-body-class-change' );
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} )
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.observe( editor.getBody(), {
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attributes: true,
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attributeFilter: ['class']
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} );
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}
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});
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editor.on( 'PreProcess', function( event ) {
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// Empty the wpview wrap nodes
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tinymce.each( editor.dom.select( 'div[data-wpview-text]', event.node ), function( node ) {
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node.textContent = node.innerText = '\u00a0';
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});
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});
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editor.on( 'PostProcess', function( event ) {
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if ( event.content ) {
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event.content = event.content.replace( /<div [^>]*?data-wpview-text="([^"]*)"[^>]*>[\s\S]*?<\/div>/g, function( match, shortcode ) {
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if ( shortcode ) {
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return '<p>' + window.decodeURIComponent( shortcode ) + '</p>';
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}
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return ''; // If error, remove the view wrapper
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});
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}
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});
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// Excludes arrow keys, delete, backspace, enter, space bar.
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// Ref: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent.keyCode
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function isSpecialKey( key ) {
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return ( ( key <= 47 && key !== VK.SPACEBAR && key !== VK.ENTER && key !== VK.DELETE && key !== VK.BACKSPACE && ( key < 37 || key > 40 ) ) ||
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key >= 224 || // OEM or non-printable
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( key >= 144 && key <= 150 ) || // Num Lock, Scroll Lock, OEM
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( key >= 91 && key <= 93 ) || // Windows keys
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( key >= 112 && key <= 135 ) ); // F keys
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}
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// (De)select views when arrow keys are used to navigate the content of the editor.
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editor.on( 'keydown', function( event ) {
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var key = event.keyCode,
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dom = editor.dom,
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selection = editor.selection,
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node, view, cursorBefore, cursorAfter,
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range, clonedRange, tempRange;
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if ( selected ) {
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// Ignore key presses that involve the command or control key, but continue when in combination with backspace or v.
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// Also ignore the F# keys.
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if ( ( ( event.metaKey || event.ctrlKey ) && key !== VK.BACKSPACE && key !== 86 ) || ( key >= 112 && key <= 123 ) ) {
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// Remove the view when pressing cmd/ctrl+x on keyup, otherwise the browser can't copy the content.
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if ( ( event.metaKey || event.ctrlKey ) && key === 88 ) {
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toRemove = selected;
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}
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return;
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}
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view = getView( selection.getNode() );
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// If the caret is not within the selected view, deselect the view and bail.
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if ( view !== selected ) {
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deselect();
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return;
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}
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if ( key === VK.LEFT ) {
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setViewCursor( true, view );
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event.preventDefault();
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} else if ( key === VK.UP ) {
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if ( view.previousSibling ) {
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if ( getView( view.previousSibling ) ) {
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setViewCursor( true, view.previousSibling );
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} else {
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deselect();
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selection.select( view.previousSibling, true );
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selection.collapse();
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}
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} else {
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setViewCursor( true, view );
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}
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event.preventDefault();
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} else if ( key === VK.RIGHT ) {
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setViewCursor( false, view );
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event.preventDefault();
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} else if ( key === VK.DOWN ) {
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if ( view.nextSibling ) {
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if ( getView( view.nextSibling ) ) {
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setViewCursor( false, view.nextSibling );
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} else {
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deselect();
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selection.setCursorLocation( view.nextSibling, 0 );
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}
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} else {
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setViewCursor( false, view );
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}
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event.preventDefault();
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// Ignore keys that don't insert anything.
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} else if ( ! isSpecialKey( key ) ) {
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removeView( selected );
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if ( key === VK.ENTER || key === VK.DELETE || key === VK.BACKSPACE ) {
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event.preventDefault();
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}
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}
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} else {
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if ( event.metaKey || event.ctrlKey || ( key >= 112 && key <= 123 ) ) {
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return;
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}
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node = selection.getNode();
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lastKeyDownNode = node;
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view = getView( node );
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// Make sure we don't delete part of a view.
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// If the range ends or starts with the view, we'll need to trim it.
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if ( ! selection.isCollapsed() ) {
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range = selection.getRng();
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if ( view = getView( range.endContainer ) ) {
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clonedRange = range.cloneRange();
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selection.select( view.previousSibling, true );
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selection.collapse();
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tempRange = selection.getRng();
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clonedRange.setEnd( tempRange.endContainer, tempRange.endOffset );
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selection.setRng( clonedRange );
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} else if ( view = getView( range.startContainer ) ) {
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clonedRange = range.cloneRange();
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clonedRange.setStart( view.nextSibling, 0 );
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selection.setRng( clonedRange );
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}
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}
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if ( ! view ) {
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// Make sure we don't eat any content.
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if ( event.keyCode === VK.BACKSPACE ) {
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if ( editor.dom.isEmpty( node ) ) {
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if ( view = getView( node.previousSibling ) ) {
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setViewCursor( false, view );
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editor.dom.remove( node );
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event.preventDefault();
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}
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} else if ( ( range = selection.getRng() ) &&
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range.startOffset === 0 &&
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range.endOffset === 0 &&
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( view = getView( node.previousSibling ) ) ) {
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setViewCursor( false, view );
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event.preventDefault();
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}
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}
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return;
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}
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if ( ! ( ( cursorBefore = dom.hasClass( view, 'wpview-selection-before' ) ) ||
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( cursorAfter = dom.hasClass( view, 'wpview-selection-after' ) ) ) ) {
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return;
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}
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if ( isSpecialKey( key ) ) {
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// ignore
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return;
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}
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if ( ( cursorAfter && key === VK.UP ) || ( cursorBefore && key === VK.BACKSPACE ) ) {
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if ( view.previousSibling ) {
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if ( getView( view.previousSibling ) ) {
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setViewCursor( false, view.previousSibling );
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} else {
|
|
if ( dom.isEmpty( view.previousSibling ) && key === VK.BACKSPACE ) {
|
|
dom.remove( view.previousSibling );
|
|
} else {
|
|
selection.select( view.previousSibling, true );
|
|
selection.collapse();
|
|
}
|
|
}
|
|
} else {
|
|
setViewCursor( true, view );
|
|
}
|
|
event.preventDefault();
|
|
} else if ( cursorAfter && ( key === VK.DOWN || key === VK.RIGHT ) ) {
|
|
if ( view.nextSibling ) {
|
|
if ( getView( view.nextSibling ) ) {
|
|
setViewCursor( key === VK.RIGHT, view.nextSibling );
|
|
} else {
|
|
selection.setCursorLocation( view.nextSibling, 0 );
|
|
}
|
|
}
|
|
event.preventDefault();
|
|
} else if ( cursorBefore && ( key === VK.UP || key === VK.LEFT ) ) {
|
|
if ( view.previousSibling ) {
|
|
if ( getView( view.previousSibling ) ) {
|
|
setViewCursor( key === VK.UP, view.previousSibling );
|
|
} else {
|
|
selection.select( view.previousSibling, true );
|
|
selection.collapse();
|
|
}
|
|
}
|
|
event.preventDefault();
|
|
} else if ( cursorBefore && key === VK.DOWN ) {
|
|
if ( view.nextSibling ) {
|
|
if ( getView( view.nextSibling ) ) {
|
|
setViewCursor( true, view.nextSibling );
|
|
} else {
|
|
selection.setCursorLocation( view.nextSibling, 0 );
|
|
}
|
|
} else {
|
|
setViewCursor( false, view );
|
|
}
|
|
event.preventDefault();
|
|
} else if ( ( cursorAfter && key === VK.LEFT ) || ( cursorBefore && key === VK.RIGHT ) ) {
|
|
select( view );
|
|
event.preventDefault();
|
|
} else if ( cursorAfter && key === VK.BACKSPACE ) {
|
|
removeView( view );
|
|
event.preventDefault();
|
|
} else if ( cursorAfter ) {
|
|
handleEnter( view );
|
|
} else if ( cursorBefore ) {
|
|
handleEnter( view , true, key );
|
|
}
|
|
|
|
if ( key === VK.ENTER ) {
|
|
event.preventDefault();
|
|
}
|
|
}
|
|
});
|
|
|
|
editor.on( 'keyup', function() {
|
|
if ( toRemove ) {
|
|
removeView( toRemove );
|
|
toRemove = false;
|
|
}
|
|
});
|
|
|
|
editor.on( 'focus', function() {
|
|
var view;
|
|
|
|
focus = true;
|
|
editor.dom.addClass( editor.getBody(), 'has-focus' );
|
|
|
|
// Edge case: show the fake caret when the editor is focused for the first time
|
|
// and the first element is a view.
|
|
if ( firstFocus && ( view = getView( editor.getBody().firstChild ) ) ) {
|
|
setViewCursor( true, view );
|
|
}
|
|
|
|
firstFocus = false;
|
|
} );
|
|
|
|
editor.on( 'blur', function() {
|
|
focus = false;
|
|
editor.dom.removeClass( editor.getBody(), 'has-focus' );
|
|
} );
|
|
|
|
editor.on( 'NodeChange', function( event ) {
|
|
var dom = editor.dom,
|
|
views = editor.dom.select( '.wpview-wrap' ),
|
|
className = event.element.className,
|
|
view = getView( event.element ),
|
|
lKDN = lastKeyDownNode;
|
|
|
|
lastKeyDownNode = false;
|
|
|
|
clearInterval( cursorInterval );
|
|
|
|
// This runs a lot and is faster than replacing each class separately
|
|
tinymce.each( views, function ( view ) {
|
|
if ( view.className ) {
|
|
view.className = view.className.replace( / ?\bwpview-(?:selection-before|selection-after|cursor-hide)\b/g, '' );
|
|
}
|
|
});
|
|
|
|
if ( focus && view ) {
|
|
if ( ( className === 'wpview-selection-before' || className === 'wpview-selection-after' ) &&
|
|
editor.selection.isCollapsed() ) {
|
|
|
|
setViewCursorTries = 0;
|
|
|
|
deselect();
|
|
|
|
// Make sure the cursor arrived in the right node.
|
|
// This is necessary for Firefox.
|
|
if ( lKDN === view.previousSibling ) {
|
|
setViewCursor( true, view );
|
|
return;
|
|
} else if ( lKDN === view.nextSibling ) {
|
|
setViewCursor( false, view );
|
|
return;
|
|
}
|
|
|
|
dom.addClass( view, className );
|
|
|
|
cursorInterval = setInterval( function() {
|
|
if ( dom.hasClass( view, 'wpview-cursor-hide' ) ) {
|
|
dom.removeClass( view, 'wpview-cursor-hide' );
|
|
} else {
|
|
dom.addClass( view, 'wpview-cursor-hide' );
|
|
}
|
|
}, 500 );
|
|
// If the cursor lands anywhere else in the view, set the cursor before it.
|
|
// Only try this once to prevent a loop. (You never know.)
|
|
} else if ( ! getParent( event.element, 'wpview-clipboard' ) && ! setViewCursorTries ) {
|
|
deselect();
|
|
setViewCursorTries++;
|
|
setViewCursor( true, view );
|
|
}
|
|
}
|
|
});
|
|
|
|
editor.on( 'BeforeExecCommand', function() {
|
|
var node = editor.selection.getNode(),
|
|
view;
|
|
|
|
if ( node && ( ( execCommandBefore = node.className === 'wpview-selection-before' ) || node.className === 'wpview-selection-after' ) && ( view = getView( node ) ) ) {
|
|
handleEnter( view, execCommandBefore );
|
|
execCommandView = view;
|
|
}
|
|
});
|
|
|
|
editor.on( 'ExecCommand', function() {
|
|
var toSelect, node;
|
|
|
|
if ( selected ) {
|
|
toSelect = selected;
|
|
deselect();
|
|
select( toSelect );
|
|
}
|
|
|
|
if ( execCommandView ) {
|
|
node = execCommandView[ execCommandBefore ? 'previousSibling' : 'nextSibling' ];
|
|
|
|
if ( node && node.nodeName === 'P' && editor.dom.isEmpty( node ) ) {
|
|
editor.dom.remove( node );
|
|
setViewCursor( execCommandBefore, execCommandView );
|
|
}
|
|
|
|
execCommandView = false;
|
|
}
|
|
});
|
|
|
|
editor.on( 'ResolveName', function( event ) {
|
|
if ( editor.dom.hasClass( event.target, 'wpview-wrap' ) ) {
|
|
event.name = editor.dom.getAttrib( event.target, 'data-wpview-type' ) || 'wpview';
|
|
event.stopPropagation();
|
|
} else if ( getView( event.target ) ) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
}
|
|
});
|
|
|
|
return {
|
|
getViewText: getViewText,
|
|
setViewText: setViewText,
|
|
getView: getView
|
|
};
|
|
});
|