Adding wordcount ckeditor plugin.

main/inc/lib/javascript/ckeditor/plugins/wordcount/css/wordcount.css

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+.cke_wordcount {display:block;float:right;margin-top:-2px;margin-right:3px;color:black;}
+
+.cke_wordcountLimitReached span {color:red! important}

main/inc/lib/javascript/ckeditor/plugins/wordcount/lang/ca.js

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+/*
+Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang('wordcount', 'ca', {
+    WordCount: 'Paraules:',
+    CharCount: 'Caràcters:',
+    limit: 'Límit:',
+    title: 'Estadístiques'
+});

main/inc/lib/javascript/ckeditor/plugins/wordcount/lang/de.js

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+/*
+Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang('wordcount', 'de', {
+    WordCount: 'Wörter:',
+    CharCount: 'Zeichen:',
+    limit: 'Limit:',
+    title: 'Statistik'
+});

main/inc/lib/javascript/ckeditor/plugins/wordcount/lang/en.js

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+/*
+Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang('wordcount', 'en', {
+    WordCount: 'Words:',
+    CharCount: 'Characters:',
+    limit: 'Limit:',
+    title: 'Statistics'
+});

main/inc/lib/javascript/ckeditor/plugins/wordcount/lang/es.js

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+/*
+Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang('wordcount', 'es', {
+    WordCount: 'Palabras:',
+    CharCount: 'Caràcteres:',
+    limit: 'Límite:',
+    title: 'Estadísticas'
+});

main/inc/lib/javascript/ckeditor/plugins/wordcount/lang/fr.js

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+// French Translation by Nicolas M.
+
+CKEDITOR.plugins.setLang('wordcount', 'fr', {
+    WordCount: 'Mots:',
+    CharCount: 'Caractères:',
+    limit: 'Limite:',
+    title: 'Statistiques'
+});

main/inc/lib/javascript/ckeditor/plugins/wordcount/lang/pl.js

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+/*
+Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+CKEDITOR.plugins.setLang('wordcount', 'pl', {
+    WordCount: 'Słów:',
+    CharCount: 'Znaków:',
+    limit: 'Limit:',
+    title: 'Statystyka'
+});

main/inc/lib/javascript/ckeditor/plugins/wordcount/plugin.js

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+/**
+ * @license Copyright (c) CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.html or http://ckeditor.com/license
+ */
+
+CKEDITOR.plugins.add('wordcount', {
+    lang: ['ca', 'de', 'en', 'es', 'fr', 'pl'],
+    init: function (editor) {
+        
+        var defaultFormat = '<span class="cke_path_item">';
+        
+        var intervalId;
+        var lastWordCount;
+        var lastCharCount = 0;
+        var limitReachedNotified = false;
+        var limitRestoredNotified = false;
+        
+        // Default Config
+        var defaultConfig = {
+            showWordCount: true,
+            showCharCount: false,
+            charLimit: 'unlimited',
+            wordLimit: 'unlimited'
+        };
+        
+        // Get Config & Lang
+        var config = CKEDITOR.tools.extend(defaultConfig, editor.config.wordcount || {}, true);
+        
+        if (config.showCharCount) {
+            defaultFormat += editor.lang.wordcount.CharCount + '&nbsp;%charCount%';
+
+
+            if (config.charLimit != 'unlimited') {
+                defaultFormat += '&nbsp;(' + editor.lang.wordcount.limit + '&nbsp;' + config.charLimit + ')';
+            }
+        }
+
+        if (config.showCharCount && config.showWordCount) {
+            defaultFormat += ',&nbsp;';
+        }
+
+        if (config.showWordCount) {
+            defaultFormat += editor.lang.wordcount.WordCount + ' %wordCount%';
+            
+            if (config.wordLimit != 'unlimited') {
+                defaultFormat += '&nbsp;(' + editor.lang.wordcount.limit + '&nbsp;' + config.wordLimit + ')';
+            }
+        }
+        
+        defaultFormat += '</span>';
+        
+        var format = defaultFormat;
+
+        CKEDITOR.document.appendStyleSheet(this.path + 'css/wordcount.css');
+
+        function counterId(editorInstance) {
+            return 'cke_wordcount_' + editorInstance.name;
+        }
+
+        function counterElement(editorInstance) {
+            return document.getElementById(counterId(editorInstance));
+        }
+
+        function strip(html) {
+            var tmp = document.createElement("div");
+            tmp.innerHTML = html;
+
+            if (tmp.textContent == '' && typeof tmp.innerText == 'undefined') {
+               return '0';
+            }
+            return tmp.textContent || tmp.innerText;
+        }
+        
+        function updateCounter(editorInstance) {
+            var wordCount = 0;
+            var charCount = 0;
+
+            if (editorInstance.getData()) {
+                var text = editorInstance.getData().replace(/(\r\n|\n|\r)/gm, " ").replace("&nbsp;", " ");
+                
+                if (config.showWordCount) {
+					wordCount = strip(text).split(/\s+/).length;
+                }
+                
+                charCount = strip(text).length;
+                
+            }
+            var html = format.replace('%wordCount%', wordCount).replace('%charCount%', charCount);
+            
+            counterElement(editorInstance).innerHTML = html;
+
+            if (charCount == lastCharCount) {
+                return true;
+            } else {
+                lastWordCount = wordCount;
+                lastCharCount = charCount;
+            }
+            
+            // Check for word limit
+            if (config.showWordCount && wordCount > config.wordLimit) {
+                limitReached(editor, limitReachedNotified);
+            } else if (!limitRestoredNotified && wordCount < config.wordLimit) {
+                limitRestored(editor);
+            }
+            
+            // Check for char limit
+            if (config.showCharCount && charCount > config.charLimit) {
+                limitReached(editor, limitReachedNotified);
+            } else if (!limitRestoredNotified && charCount < config.charLimit) {
+                limitRestored(editor);
+               
+            }
+            
+            return true;
+        }
+
+        function limitReached(editorInstance, notify) {
+            limitReachedNotified = true;
+            limitRestoredNotified = false;
+            
+            editorInstance.execCommand('undo');
+            if (!notify) {
+                counterElement(editorInstance).className += " cke_wordcountLimitReached";
+
+                editorInstance.fire('limitReached', {}, editor);
+            }
+            // lock editor
+            editorInstance.config.Locked = 1;
+            editorInstance.fire("change");
+        }
+
+        function limitRestored(editorInstance) {
+            limitRestoredNotified = true;
+            limitReachedNotified = false;
+            editorInstance.config.Locked = 0;
+            
+            counterElement(editorInstance).className = "cke_wordcount";
+        }
+
+        editor.on('uiSpace', function(event) {
+            if (event.data.space == 'bottom') {
+                event.data.html += '<div id="' + counterId(event.editor) + '" class="cke_wordcount" style=""' + ' title="' + editor.lang.wordcount.title + '"' + '>&nbsp;</div>';
+            }
+        }, editor, null, 100);
+       editor.on('dataReady', function(event) {
+            var count = event.editor.getData().length;
+            if (count > config.wordLimit) {
+                limitReached(editor);
+            }
+            updateCounter(event.editor);
+        }, editor, null, 100);
+		editor.on('key', function (event) {
+		    updateCounter(event.editor);
+		}, editor, null, 100);
+		editor.on('afterPaste', function (event) {
+		    updateCounter(event.editor);
+		}, editor, null, 100);
+       /* editor.on('change', function (event) {
+            updateCounter(event.editor);
+        }, editor, null, 100);*/
+        editor.on('focus', function(event) {
+            //editorHasFocus = true;
+            intervalId = window.setInterval(function() {
+                updateCounter(editor);
+            }, 300, event.editor);
+        }, editor, null, 300);
+        editor.on('blur', function() {
+            //editorHasFocus = false;
+            if (intervalId) {
+                window.clearInterval(intervalId);
+            }
+        }, editor, null, 300);
+    }
+});