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wptextpattern
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Editing: plugin.js
/** * Text pattern plugin for TinyMCE * * @since 4.3.0 * * This plugin can automatically format text patterns as you type. It includes several groups of patterns. * * Start of line patterns: * As-you-type: * - Unordered list (`* ` and `- `). * - Ordered list (`1. ` and `1) `). * * On enter: * - h2 (## ). * - h3 (### ). * - h4 (#### ). * - h5 (##### ). * - h6 (###### ). * - blockquote (> ). * - hr (---). * * Inline patterns: * - <code> (`) (backtick). * * If the transformation in unwanted, the user can undo the change by pressing backspace, * using the undo shortcut, or the undo button in the toolbar. * * Setting for the patterns can be overridden by plugins by using the `tiny_mce_before_init` PHP filter. * The setting name is `wptextpattern` and the value is an object containing override arrays for each * patterns group. There are three groups: "space", "enter", and "inline". Example (PHP): * * add_filter( 'tiny_mce_before_init', 'my_mce_init_wptextpattern' ); * function my_mce_init_wptextpattern( $init ) { * $init['wptextpattern'] = wp_json_encode( array( * 'inline' => array( * array( 'delimiter' => '**', 'format' => 'bold' ), * array( 'delimiter' => '__', 'format' => 'italic' ), * ), * ) ); * * return $init; * } * * Note that setting this will override the default text patterns. You will need to include them * in your settings array if you want to keep them working. */ ( function( tinymce, setTimeout ) { if ( tinymce.Env.ie && tinymce.Env.ie < 9 ) { return; } /** * Escapes characters for use in a Regular Expression. * * @param {String} string Characters to escape * * @return {String} Escaped characters */ function escapeRegExp( string ) { return string.replace( /[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&' ); } tinymce.PluginManager.add( 'wptextpattern', function( editor ) { var VK = tinymce.util.VK; var settings = editor.settings.wptextpattern || {}; var spacePatterns = settings.space || [ { regExp: /^[*-]\s/, cmd: 'InsertUnorderedList' }, { regExp: /^1[.)]\s/, cmd: 'InsertOrderedList' } ]; var enterPatterns = settings.enter || [ { start: '##', format: 'h2' }, { start: '###', format: 'h3' }, { start: '####', format: 'h4' }, { start: '#####', format: 'h5' }, { start: '######', format: 'h6' }, { start: '>', format: 'blockquote' }, { regExp: /^(-){3,}$/, element: 'hr' } ]; var inlinePatterns = settings.inline || [ { delimiter: '`', format: 'code' } ]; var canUndo; editor.on( 'selectionchange', function() { canUndo = null; } ); editor.on( 'keydown', function( event ) { if ( ( canUndo && event.keyCode === 27 /* ESCAPE */ ) || ( canUndo === 'space' && event.keyCode === VK.BACKSPACE ) ) { editor.undoManager.undo(); event.preventDefault(); event.stopImmediatePropagation(); } if ( VK.metaKeyPressed( event ) ) { return; } if ( event.keyCode === VK.ENTER ) { enter(); // Wait for the browser to insert the character. } else if ( event.keyCode === VK.SPACEBAR ) { setTimeout( space ); } else if ( event.keyCode > 47 && ! ( event.keyCode >= 91 && event.keyCode <= 93 ) ) { setTimeout( inline ); } }, true ); function inline() { var rng = editor.selection.getRng(); var node = rng.startContainer; var offset = rng.startOffset; var startOffset; var endOffset; var pattern; var format; var zero; // We need a non-empty text node with an offset greater than zero. if ( ! node || node.nodeType !== 3 || ! node.data.length || ! offset ) { return; } var string = node.data.slice( 0, offset ); var lastChar = node.data.charAt( offset - 1 ); tinymce.each( inlinePatterns, function( p ) { // Character before selection should be delimiter. if ( lastChar !== p.delimiter.slice( -1 ) ) { return; } var escDelimiter = escapeRegExp( p.delimiter ); var delimiterFirstChar = p.delimiter.charAt( 0 ); var regExp = new RegExp( '(.*)' + escDelimiter + '.+' + escDelimiter + '$' ); var match = string.match( regExp ); if ( ! match ) { return; } startOffset = match[1].length; endOffset = offset - p.delimiter.length; var before = string.charAt( startOffset - 1 ); var after = string.charAt( startOffset + p.delimiter.length ); // test*test* => format applied. // test *test* => applied. // test* test* => not applied. if ( startOffset && /\S/.test( before ) ) { if ( /\s/.test( after ) || before === delimiterFirstChar ) { return; } } // Do not replace when only whitespace and delimiter characters. if ( ( new RegExp( '^[\\s' + escapeRegExp( delimiterFirstChar ) + ']+$' ) ).test( string.slice( startOffset, endOffset ) ) ) { return; } pattern = p; return false; } ); if ( ! pattern ) { return; } format = editor.formatter.get( pattern.format ); if ( format && format[0].inline ) { editor.undoManager.add(); editor.undoManager.transact( function() { node.insertData( offset, '\uFEFF' ); node = node.splitText( startOffset ); zero = node.splitText( offset - startOffset ); node.deleteData( 0, pattern.delimiter.length ); node.deleteData( node.data.length - pattern.delimiter.length, pattern.delimiter.length ); editor.formatter.apply( pattern.format, {}, node ); editor.selection.setCursorLocation( zero, 1 ); } ); // We need to wait for native events to be triggered. setTimeout( function() { canUndo = 'space'; editor.once( 'selectionchange', function() { var offset; if ( zero ) { offset = zero.data.indexOf( '\uFEFF' ); if ( offset !== -1 ) { zero.deleteData( offset, offset + 1 ); } } } ); } ); } } function firstTextNode( node ) { var parent = editor.dom.getParent( node, 'p' ), child; if ( ! parent ) { return; } while ( child = parent.firstChild ) { if ( child.nodeType !== 3 ) { parent = child; } else { break; } } if ( ! child ) { return; } if ( ! child.data ) { if ( child.nextSibling && child.nextSibling.nodeType === 3 ) { child = child.nextSibling; } else { child = null; } } return child; } function space() { var rng = editor.selection.getRng(), node = rng.startContainer, parent, text; if ( ! node || firstTextNode( node ) !== node ) { return; } parent = node.parentNode; text = node.data; tinymce.each( spacePatterns, function( pattern ) { var match = text.match( pattern.regExp ); if ( ! match || rng.startOffset !== match[0].length ) { return; } editor.undoManager.add(); editor.undoManager.transact( function() { node.deleteData( 0, match[0].length ); if ( ! parent.innerHTML ) { parent.appendChild( document.createElement( 'br' ) ); } editor.selection.setCursorLocation( parent ); editor.execCommand( pattern.cmd ); } ); // We need to wait for native events to be triggered. setTimeout( function() { canUndo = 'space'; } ); return false; } ); } function enter() { var rng = editor.selection.getRng(), start = rng.startContainer, node = firstTextNode( start ), i = enterPatterns.length, text, pattern, parent; if ( ! node ) { return; } text = node.data; while ( i-- ) { if ( enterPatterns[ i ].start ) { if ( text.indexOf( enterPatterns[ i ].start ) === 0 ) { pattern = enterPatterns[ i ]; break; } } else if ( enterPatterns[ i ].regExp ) { if ( enterPatterns[ i ].regExp.test( text ) ) { pattern = enterPatterns[ i ]; break; } } } if ( ! pattern ) { return; } if ( node === start && tinymce.trim( text ) === pattern.start ) { return; } editor.once( 'keyup', function() { editor.undoManager.add(); editor.undoManager.transact( function() { if ( pattern.format ) { editor.formatter.apply( pattern.format, {}, node ); node.replaceData( 0, node.data.length, ltrim( node.data.slice( pattern.start.length ) ) ); } else if ( pattern.element ) { parent = node.parentNode && node.parentNode.parentNode; if ( parent ) { parent.replaceChild( document.createElement( pattern.element ), node.parentNode ); } } } ); // We need to wait for native events to be triggered. setTimeout( function() { canUndo = 'enter'; } ); } ); } function ltrim( text ) { return text ? text.replace( /^\s+/, '' ) : ''; } } ); } )( window.tinymce, window.setTimeout );
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