124 lines
2.7 KiB
JavaScript
124 lines
2.7 KiB
JavaScript
/**
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* plugin.js
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*
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* Released under LGPL License.
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* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
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*
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* License: http://www.tinymce.com/license
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* Contributing: http://www.tinymce.com/contributing
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*/
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/*global tinymce:true */
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tinymce.PluginManager.add('visualchars', function(editor) {
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var self = this, state;
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function toggleVisualChars(addBookmark) {
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var node, nodeList, i, body = editor.getBody(), nodeValue, selection = editor.selection, div, bookmark;
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var charMap, visualCharsRegExp;
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charMap = {
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'\u00a0': 'nbsp',
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'\u00ad': 'shy'
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};
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function wrapCharWithSpan(value) {
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return '<span data-mce-bogus="1" class="mce-' + charMap[value] + '">' + value + '</span>';
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}
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function compileCharMapToRegExp() {
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var key, regExp = '';
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for (key in charMap) {
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regExp += key;
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}
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return new RegExp('[' + regExp + ']', 'g');
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}
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function compileCharMapToCssSelector() {
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var key, selector = '';
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for (key in charMap) {
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if (selector) {
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selector += ',';
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}
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selector += 'span.mce-' + charMap[key];
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}
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return selector;
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}
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state = !state;
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self.state = state;
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editor.fire('VisualChars', {state: state});
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visualCharsRegExp = compileCharMapToRegExp();
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if (addBookmark) {
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bookmark = selection.getBookmark();
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}
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if (state) {
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nodeList = [];
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tinymce.walk(body, function(n) {
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if (n.nodeType == 3 && n.nodeValue && visualCharsRegExp.test(n.nodeValue)) {
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nodeList.push(n);
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}
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}, 'childNodes');
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for (i = 0; i < nodeList.length; i++) {
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nodeValue = nodeList[i].nodeValue;
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nodeValue = nodeValue.replace(visualCharsRegExp, wrapCharWithSpan);
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div = editor.dom.create('div', null, nodeValue);
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while ((node = div.lastChild)) {
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editor.dom.insertAfter(node, nodeList[i]);
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}
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editor.dom.remove(nodeList[i]);
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}
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} else {
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nodeList = editor.dom.select(compileCharMapToCssSelector(), body);
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for (i = nodeList.length - 1; i >= 0; i--) {
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editor.dom.remove(nodeList[i], 1);
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}
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}
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selection.moveToBookmark(bookmark);
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}
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function toggleActiveState() {
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var self = this;
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editor.on('VisualChars', function(e) {
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self.active(e.state);
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});
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}
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editor.addCommand('mceVisualChars', toggleVisualChars);
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editor.addButton('visualchars', {
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title: 'Show invisible characters',
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cmd: 'mceVisualChars',
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onPostRender: toggleActiveState
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});
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editor.addMenuItem('visualchars', {
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text: 'Show invisible characters',
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cmd: 'mceVisualChars',
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onPostRender: toggleActiveState,
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selectable: true,
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context: 'view',
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prependToContext: true
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});
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editor.on('beforegetcontent', function(e) {
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if (state && e.format != 'raw' && !e.draft) {
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state = true;
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toggleVisualChars(false);
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}
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});
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});
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