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331 lines
13 KiB
JavaScript
331 lines
13 KiB
JavaScript
/**
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* @license Copyright (c) CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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CKEDITOR.plugins.add("wordcount",
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{
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lang: "ar,bg,ca,cs,da,de,el,en,es,eu,fa,fi,fr,he,hr,hu,it,ko,ja,nl,no,pl,pt,pt-br,ru,sk,sv,tr,uk,zh-cn,zh,ro", // %REMOVE_LINE_CORE%
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version: "1.17.6",
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requires: 'htmlwriter,notification,undo',
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bbcodePluginLoaded: false,
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onLoad: function() {
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CKEDITOR.document.appendStyleSheet(this.path + "css/wordcount.css");
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},
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init: function(editor) {
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var defaultFormat = "",
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lastWordCount = -1,
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lastCharCount = -1,
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lastParagraphs = -1,
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timeoutId = 0,
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notification = null;
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// Default Config
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var defaultConfig = {
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showRemaining: false,
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showParagraphs: true,
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showWordCount: true,
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showCharCount: false,
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countBytesAsChars: false,
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countSpacesAsChars: false,
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countHTML: false,
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countLineBreaks: false,
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hardLimit: true,
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warnOnLimitOnly: false,
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//MAXLENGTH Properties
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maxWordCount: -1,
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maxCharCount: -1,
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maxParagraphs: -1,
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// Filter
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filter: null,
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};
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// Get Config & Lang
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var config = CKEDITOR.tools.extend(defaultConfig, editor.config.wordcount || {}, true);
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if (config.showParagraphs) {
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if (config.maxParagraphs > -1) {
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if (config.showRemaining) {
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defaultFormat += "%paragraphsCount% " + editor.lang.wordcount.ParagraphsRemaining;
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} else {
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defaultFormat += editor.lang.wordcount.Paragraphs + " %paragraphsCount%";
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defaultFormat += "/" + config.maxParagraphs;
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}
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} else {
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defaultFormat += editor.lang.wordcount.Paragraphs + " %paragraphsCount%";
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}
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}
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if (config.showParagraphs && (config.showWordCount || config.showCharCount)) {
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defaultFormat += ", ";
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}
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if (config.showWordCount) {
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if (config.maxWordCount > -1) {
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if (config.showRemaining) {
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defaultFormat += "%wordCount% " + editor.lang.wordcount.WordCountRemaining;
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} else {
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defaultFormat += editor.lang.wordcount.WordCount + " %wordCount%";
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defaultFormat += "/" + config.maxWordCount;
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}
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} else {
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defaultFormat += editor.lang.wordcount.WordCount + " %wordCount%";
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}
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}
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if (config.showCharCount && config.showWordCount) {
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defaultFormat += ", ";
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}
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if (config.showCharCount) {
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if (config.maxCharCount > -1) {
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if (config.showRemaining) {
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defaultFormat += "%charCount% " +
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editor.lang.wordcount[config.countHTML
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? "CharCountWithHTMLRemaining"
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: "CharCountRemaining"];
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} else {
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defaultFormat += editor.lang.wordcount[config.countHTML
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? "CharCountWithHTML"
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: "CharCount"] +
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" %charCount%";
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defaultFormat += "/" + config.maxCharCount;
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}
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} else {
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defaultFormat += editor.lang.wordcount[config.countHTML ? "CharCountWithHTML" : "CharCount"] +
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" %charCount%";
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}
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}
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var format = defaultFormat;
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bbcodePluginLoaded = typeof editor.plugins.bbcode != 'undefined';
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function strip(html) {
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if (bbcodePluginLoaded) {
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// stripping out BBCode tags [...][/...]
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return html.replace(/\[.*?\]/gi, '');
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}
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var tmp = document.createElement("div");
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// Add filter before strip
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html = filter(html);
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tmp.innerHTML = html;
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if (tmp.textContent == "" && typeof tmp.innerText == "undefined") {
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return "";
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}
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return tmp.textContent || tmp.innerText;
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}
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/**
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* Implement filter to add or remove before counting
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* @param html
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* @returns string
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*/
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function filter(html) {
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if (config.filter instanceof CKEDITOR.htmlParser.filter) {
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var fragment = CKEDITOR.htmlParser.fragment.fromHtml(html),
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writer = new CKEDITOR.htmlParser.basicWriter();
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config.filter.applyTo(fragment);
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fragment.writeHtml(writer);
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return writer.getHtml();
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}
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return html;
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}
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function countCharacters(text) {
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if (config.countHTML) {
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return config.countBytesAsChars ? countBytes(filter(text)) : filter(text).length;
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}
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var normalizedText;
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// strip body tags
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if (editor.config.fullPage) {
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var i = text.search(new RegExp("<body>", "i"));
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if (i != -1) {
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var j = text.search(new RegExp("</body>", "i"));
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text = text.substring(i + 6, j);
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}
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}
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normalizedText = text;
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if (!config.countSpacesAsChars) {
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normalizedText = text.replace(/\s/g, "").replace(/ /g, "");
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}
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if (config.countLineBreaks) {
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normalizedText = normalizedText.replace(/(\r\n|\n|\r)/gm, " ");
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} else {
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normalizedText = normalizedText.replace(/(\r\n|\n|\r)/gm, "").replace(/ /gi, " ");
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}
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normalizedText = strip(normalizedText).replace(/^([\t\r\n]*)$/, "");
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return config.countBytesAsChars ? countBytes(normalizedText) : normalizedText.length;
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}
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function countBytes(text) {
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var count = 0, stringLength = text.length, i;
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text = String(text || "");
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for (i = 0; i < stringLength; i++) {
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var partCount = encodeURI(text[i]).split("%").length;
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count += partCount == 1 ? 1 : partCount - 1;
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}
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return count;
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}
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function countParagraphs(text) {
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return (text.replace(/ /g, " ").replace(/(<([^>]+)>)/ig, "").replace(/^\s*$[\n\r]{1,}/gm, "++")
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.split("++").length);
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}
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function countWords(text) {
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var normalizedText = text.replace(/(\r\n|\n|\r)/gm, " ").replace(/^\s+|\s+$/g, "")
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.replace(" ", " ");
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normalizedText = strip(normalizedText);
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var words = normalizedText.split(/\s+/);
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for (var wordIndex = words.length - 1; wordIndex >= 0; wordIndex--) {
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if (words[wordIndex].match(/^([\s\t\r\n]*)$/)) {
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words.splice(wordIndex, 1);
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}
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}
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return (words.length);
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}
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function updateCounter(editorInstance) {
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var paragraphs = 0,
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wordCount = 0,
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charCount = 0,
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text;
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// BeforeGetData and getData events are fired when calling
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// getData(). We can prevent this by passing true as an
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// argument to getData(). This allows us to fire the events
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// manually with additional event data: firedBy. This additional
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// data helps differentiate calls to getData() made by
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// wordCount plugin from calls made by other plugins/code.
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editorInstance.fire("beforeGetData", { firedBy: "wordCount.updateCounter" }, editor);
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text = editorInstance.getData(true);
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editorInstance.fire("getData", { dataValue: text, firedBy: "wordCount.updateCounter" }, editor);
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if (text) {
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if (config.showCharCount) {
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charCount = countCharacters(text);
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}
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if (config.showParagraphs) {
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paragraphs = countParagraphs(text);
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}
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if (config.showWordCount) {
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wordCount = countWords(text);
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}
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}
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var html = format;
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if (config.showRemaining) {
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if (config.maxCharCount >= 0) {
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html = html.replace("%charCount%", config.maxCharCount - charCount);
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} else {
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html = html.replace("%charCount%", charCount);
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}
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if (config.maxWordCount >= 0) {
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html = html.replace("%wordCount%", config.maxWordCount - wordCount);
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} else {
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html = html.replace("%wordCount%", wordCount);
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}
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if (config.maxParagraphs >= 0) {
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html = html.replace("%paragraphsCount%", config.maxParagraphs - paragraphs);
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} else {
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html = html.replace("%paragraphsCount%", paragraphs);
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}
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} else {
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html = html.replace("%wordCount%", wordCount).replace("%charCount%", charCount).replace("%paragraphsCount%", paragraphs);
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}
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(editorInstance.config.wordcount || (editorInstance.config.wordcount = {})).wordCount = wordCount;
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(editorInstance.config.wordcount || (editorInstance.config.wordcount = {})).charCount = charCount;
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if (charCount == lastCharCount && wordCount == lastWordCount && paragraphs == lastParagraphs) {
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if (charCount == config.maxCharCount || wordCount == config.maxWordCount || paragraphs > config.maxParagraphs) {
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editorInstance.fire('saveSnapshot');
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}
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return true;
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}
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//If the limit is already over, allow the deletion of characters/words. Otherwise,
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//the user would have to delete at one go the number of offending characters
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var deltaWord = wordCount - lastWordCount;
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var deltaChar = charCount - lastCharCount;
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var deltaParagraphs = paragraphs - lastParagraphs;
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lastWordCount = wordCount;
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lastCharCount = charCount;
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lastParagraphs = paragraphs;
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if (lastWordCount == -1) {
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lastWordCount = wordCount;
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}
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if (lastCharCount == -1) {
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lastCharCount = charCount;
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}
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if (lastParagraphs == -1) {
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lastParagraphs = paragraphs;
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}
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// update instance
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editorInstance.wordCount =
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{
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paragraphs: paragraphs,
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wordCount: wordCount,
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charCount: charCount
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};
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editor.fire('cp-wc-update');
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return true;
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}
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function isCloseToLimits() {
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if (config.maxWordCount > -1 && config.maxWordCount - lastWordCount < 5) {
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return true;
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}
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if (config.maxCharCount > -1 && config.maxCharCount - lastCharCount < 20) {
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return true;
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}
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if (config.maxParagraphs > -1 && config.maxParagraphs - lastParagraphs < 1) {
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return true;
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}
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return false;
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}
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editor.on('cp-wc', function(event) {
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clearTimeout(timeoutId);
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timeoutId = setTimeout(
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updateCounter.bind(this, event.editor),
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250
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);
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}, editor, null, 250);
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}
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});
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