cryptpad/www/pad/wordcount/plugin.js
2019-11-22 12:20:07 +01:00

596 lines
24 KiB
JavaScript

/**
* @license Copyright (c) CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.html or http://ckeditor.com/license
*/
CKEDITOR.plugins.add("wordcount",
{
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%
version: "1.17.6",
requires: 'htmlwriter,notification,undo',
bbcodePluginLoaded: false,
onLoad: function() {
CKEDITOR.document.appendStyleSheet(this.path + "css/wordcount.css");
},
init: function(editor) {
var defaultFormat = "",
lastWordCount = -1,
lastCharCount = -1,
lastParagraphs = -1,
limitReachedNotified = false,
limitRestoredNotified = false,
timeoutId = 0,
notification = null;
var dispatchEvent = function(type, currentLength, maxLength) {
if (typeof document.dispatchEvent == 'undefined') {
return;
}
type = 'ckeditor.wordcount.' + type;
var cEvent;
var eventInitDict = {
bubbles: false,
cancelable: true,
detail: {
currentLength: currentLength,
maxLength: maxLength
}
};
try {
cEvent = new CustomEvent(type, eventInitDict);
} catch (o_O) {
cEvent = document.createEvent('CustomEvent');
cEvent.initCustomEvent(
type,
eventInitDict.bubbles,
eventInitDict.cancelable,
eventInitDict.detail
);
}
document.dispatchEvent(cEvent);
};
// Default Config
var defaultConfig = {
showRemaining: false,
showParagraphs: true,
showWordCount: true,
showCharCount: false,
countBytesAsChars: false,
countSpacesAsChars: false,
countHTML: false,
countLineBreaks: false,
hardLimit: true,
warnOnLimitOnly: false,
//MAXLENGTH Properties
maxWordCount: -1,
maxCharCount: -1,
maxParagraphs: -1,
// Filter
filter: null,
// How long to show the 'paste' warning
pasteWarningDuration: 0,
//DisAllowed functions
wordCountGreaterThanMaxLengthEvent: function(currentLength, maxLength) {
dispatchEvent('wordCountGreaterThanMaxLengthEvent', currentLength, maxLength);
},
charCountGreaterThanMaxLengthEvent: function(currentLength, maxLength) {
dispatchEvent('charCountGreaterThanMaxLengthEvent', currentLength, maxLength);
},
//Allowed Functions
wordCountLessThanMaxLengthEvent: function(currentLength, maxLength) {
dispatchEvent('wordCountLessThanMaxLengthEvent', currentLength, maxLength);
},
charCountLessThanMaxLengthEvent: function(currentLength, maxLength) {
dispatchEvent('charCountLessThanMaxLengthEvent', currentLength, maxLength);
}
};
// Get Config & Lang
var config = CKEDITOR.tools.extend(defaultConfig, editor.config.wordcount || {}, true);
if (config.showParagraphs) {
if (config.maxParagraphs > -1) {
if (config.showRemaining) {
defaultFormat += "%paragraphsCount% " + editor.lang.wordcount.ParagraphsRemaining;
} else {
defaultFormat += editor.lang.wordcount.Paragraphs + " %paragraphsCount%";
defaultFormat += "/" + config.maxParagraphs;
}
} else {
defaultFormat += editor.lang.wordcount.Paragraphs + " %paragraphsCount%";
}
}
if (config.showParagraphs && (config.showWordCount || config.showCharCount)) {
defaultFormat += ", ";
}
if (config.showWordCount) {
if (config.maxWordCount > -1) {
if (config.showRemaining) {
defaultFormat += "%wordCount% " + editor.lang.wordcount.WordCountRemaining;
} else {
defaultFormat += editor.lang.wordcount.WordCount + " %wordCount%";
defaultFormat += "/" + config.maxWordCount;
}
} else {
defaultFormat += editor.lang.wordcount.WordCount + " %wordCount%";
}
}
if (config.showCharCount && config.showWordCount) {
defaultFormat += ", ";
}
if (config.showCharCount) {
if (config.maxCharCount > -1) {
if (config.showRemaining) {
defaultFormat += "%charCount% " +
editor.lang.wordcount[config.countHTML
? "CharCountWithHTMLRemaining"
: "CharCountRemaining"];
} else {
defaultFormat += editor.lang.wordcount[config.countHTML
? "CharCountWithHTML"
: "CharCount"] +
" %charCount%";
defaultFormat += "/" + config.maxCharCount;
}
} else {
defaultFormat += editor.lang.wordcount[config.countHTML ? "CharCountWithHTML" : "CharCount"] +
" %charCount%";
}
}
var format = defaultFormat;
bbcodePluginLoaded = typeof editor.plugins.bbcode != 'undefined';
function counterId(editorInstance) {
return "cke_wordcount_" + editorInstance.name;
}
function counterElement(editorInstance) {
return document.getElementById(counterId(editorInstance));
}
function strip(html) {
if (bbcodePluginLoaded) {
// stripping out BBCode tags [...][/...]
return html.replace(/\[.*?\]/gi, '');
}
var tmp = document.createElement("div");
// Add filter before strip
html = filter(html);
tmp.innerHTML = html;
if (tmp.textContent == "" && typeof tmp.innerText == "undefined") {
return "";
}
return tmp.textContent || tmp.innerText;
}
/**
* Implement filter to add or remove before counting
* @param html
* @returns string
*/
function filter(html) {
if (config.filter instanceof CKEDITOR.htmlParser.filter) {
var fragment = CKEDITOR.htmlParser.fragment.fromHtml(html),
writer = new CKEDITOR.htmlParser.basicWriter();
config.filter.applyTo(fragment);
fragment.writeHtml(writer);
return writer.getHtml();
}
return html;
}
function countCharacters(text) {
if (config.countHTML) {
return config.countBytesAsChars ? countBytes(filter(text)) : filter(text).length;
}
var normalizedText;
// strip body tags
if (editor.config.fullPage) {
var i = text.search(new RegExp("<body>", "i"));
if (i != -1) {
var j = text.search(new RegExp("</body>", "i"));
text = text.substring(i + 6, j);
}
}
normalizedText = text;
if (!config.countSpacesAsChars) {
normalizedText = text.replace(/\s/g, "").replace(/&nbsp;/g, "");
}
if (config.countLineBreaks) {
normalizedText = normalizedText.replace(/(\r\n|\n|\r)/gm, " ");
} else {
normalizedText = normalizedText.replace(/(\r\n|\n|\r)/gm, "").replace(/&nbsp;/gi, " ");
}
normalizedText = strip(normalizedText).replace(/^([\t\r\n]*)$/, "");
return config.countBytesAsChars ? countBytes(normalizedText) : normalizedText.length;
}
function countBytes(text) {
var count = 0, stringLength = text.length, i;
text = String(text || "");
for (i = 0; i < stringLength; i++) {
var partCount = encodeURI(text[i]).split("%").length;
count += partCount == 1 ? 1 : partCount - 1;
}
return count;
}
function countParagraphs(text) {
return (text.replace(/&nbsp;/g, " ").replace(/(<([^>]+)>)/ig, "").replace(/^\s*$[\n\r]{1,}/gm, "++")
.split("++").length);
}
function countWords(text) {
var normalizedText = text.replace(/(\r\n|\n|\r)/gm, " ").replace(/^\s+|\s+$/g, "")
.replace("&nbsp;", " ");
normalizedText = strip(normalizedText);
var words = normalizedText.split(/\s+/);
for (var wordIndex = words.length - 1; wordIndex >= 0; wordIndex--) {
if (words[wordIndex].match(/^([\s\t\r\n]*)$/)) {
words.splice(wordIndex, 1);
}
}
return (words.length);
}
function limitReached(editorInstance, notify) {
limitReachedNotified = true;
limitRestoredNotified = false;
if (!config.warnOnLimitOnly) {
if (config.hardLimit) {
editorInstance.execCommand('undo');
}
}
if (!notify) {
counterElement(editorInstance).className = "cke_path_item cke_wordcountLimitReached";
editorInstance.fire("limitReached", { firedBy: "wordCount.limitReached" }, editor);
}
}
function limitRestored(editorInstance) {
limitRestoredNotified = true;
limitReachedNotified = false;
if (!config.warnOnLimitOnly) {
editorInstance.fire('saveSnapshot');
}
counterElement(editorInstance).className = "cke_path_item";
}
function updateCounter(editorInstance) {
if (!counterElement(editorInstance)) {
return;
}
var paragraphs = 0,
wordCount = 0,
charCount = 0,
text;
// BeforeGetData and getData events are fired when calling
// getData(). We can prevent this by passing true as an
// argument to getData(). This allows us to fire the events
// manually with additional event data: firedBy. This additional
// data helps differentiate calls to getData() made by
// wordCount plugin from calls made by other plugins/code.
editorInstance.fire("beforeGetData", { firedBy: "wordCount.updateCounter" }, editor);
text = editorInstance.getData(true);
editorInstance.fire("getData", { dataValue: text, firedBy: "wordCount.updateCounter" }, editor);
if (text) {
if (config.showCharCount) {
charCount = countCharacters(text);
}
if (config.showParagraphs) {
paragraphs = countParagraphs(text);
}
if (config.showWordCount) {
wordCount = countWords(text);
}
}
var html = format;
if (config.showRemaining) {
if (config.maxCharCount >= 0) {
html = html.replace("%charCount%", config.maxCharCount - charCount);
} else {
html = html.replace("%charCount%", charCount);
}
if (config.maxWordCount >= 0) {
html = html.replace("%wordCount%", config.maxWordCount - wordCount);
} else {
html = html.replace("%wordCount%", wordCount);
}
if (config.maxParagraphs >= 0) {
html = html.replace("%paragraphsCount%", config.maxParagraphs - paragraphs);
} else {
html = html.replace("%paragraphsCount%", paragraphs);
}
} else {
html = html.replace("%wordCount%", wordCount).replace("%charCount%", charCount).replace("%paragraphsCount%", paragraphs);
}
(editorInstance.config.wordcount || (editorInstance.config.wordcount = {})).wordCount = wordCount;
(editorInstance.config.wordcount || (editorInstance.config.wordcount = {})).charCount = charCount;
if (CKEDITOR.env.gecko) {
counterElement(editorInstance).innerHTML = html;
} else {
counterElement(editorInstance).innerText = html;
}
if (charCount == lastCharCount && wordCount == lastWordCount && paragraphs == lastParagraphs) {
if (charCount == config.maxCharCount || wordCount == config.maxWordCount || paragraphs > config.maxParagraphs) {
editorInstance.fire('saveSnapshot');
}
return true;
}
//If the limit is already over, allow the deletion of characters/words. Otherwise,
//the user would have to delete at one go the number of offending characters
var deltaWord = wordCount - lastWordCount;
var deltaChar = charCount - lastCharCount;
var deltaParagraphs = paragraphs - lastParagraphs;
lastWordCount = wordCount;
lastCharCount = charCount;
lastParagraphs = paragraphs;
if (lastWordCount == -1) {
lastWordCount = wordCount;
}
if (lastCharCount == -1) {
lastCharCount = charCount;
}
if (lastParagraphs == -1) {
lastParagraphs = paragraphs;
}
// Check for word limit and/or char limit
if ((config.maxWordCount > -1 && wordCount > config.maxWordCount && deltaWord > 0) ||
(config.maxCharCount > -1 && charCount > config.maxCharCount && deltaChar > 0) ||
(config.maxParagraphs > -1 && paragraphs > config.maxParagraphs && deltaParagraphs > 0)) {
limitReached(editorInstance, limitReachedNotified);
} else if ((config.maxWordCount == -1 || wordCount <= config.maxWordCount) &&
(config.maxCharCount == -1 || charCount <= config.maxCharCount) &&
(config.maxParagraphs == -1 || paragraphs <= config.maxParagraphs)) {
limitRestored(editorInstance);
} else {
editorInstance.fire('saveSnapshot');
}
// update instance
editorInstance.wordCount =
{
paragraphs: paragraphs,
wordCount: wordCount,
charCount: charCount
};
// Fire Custom Events
if (config.charCountGreaterThanMaxLengthEvent && config.charCountLessThanMaxLengthEvent) {
if (charCount > config.maxCharCount && config.maxCharCount > -1) {
config.charCountGreaterThanMaxLengthEvent(charCount, config.maxCharCount);
} else {
config.charCountLessThanMaxLengthEvent(charCount, config.maxCharCount);
}
}
if (config.wordCountGreaterThanMaxLengthEvent && config.wordCountLessThanMaxLengthEvent) {
if (wordCount > config.maxWordCount && config.maxWordCount > -1) {
config.wordCountGreaterThanMaxLengthEvent(wordCount, config.maxWordCount);
} else {
config.wordCountLessThanMaxLengthEvent(wordCount, config.maxWordCount);
}
}
return true;
}
function isCloseToLimits() {
if (config.maxWordCount > -1 && config.maxWordCount - lastWordCount < 5) {
return true;
}
if (config.maxCharCount > -1 && config.maxCharCount - lastCharCount < 20) {
return true;
}
if (config.maxParagraphs > -1 && config.maxParagraphs - lastParagraphs < 1) {
return true;
}
return false;
}
editor.on("key",
function(event) {
if (editor.mode === "source") {
clearTimeout(timeoutId);
timeoutId = setTimeout(
updateCounter.bind(this, event.editor),
250
);
}
},
editor,
null,
100);
editor.on("change",
function(event) {
var ms = isCloseToLimits() ? 5 : 250;
clearTimeout(timeoutId);
timeoutId = setTimeout(
updateCounter.bind(this, event.editor),
ms
);
},
editor,
null,
100);
editor.on("uiSpace",
function(event) {
if (editor.elementMode === CKEDITOR.ELEMENT_MODE_INLINE) {
if (event.data.space == "top") {
event.data.html += "<div class=\"cke_wordcount\" style=\"\"" +
" title=\"" +
editor.lang.wordcount.title +
"\"" +
"><span id=\"" +
counterId(event.editor) +
"\" class=\"cke_path_item\">&nbsp;</span></div>";
}
} else {
if (event.data.space == "bottom") {
event.data.html += "<div class=\"cke_wordcount\" style=\"\"" +
" title=\"" +
editor.lang.wordcount.title +
"\"" +
"><span id=\"" +
counterId(event.editor) +
"\" class=\"cke_path_item\">&nbsp;</span></div>";
}
}
},
editor,
null,
100);
editor.on("dataReady",
function(event) {
updateCounter(event.editor);
},
editor,
null,
100);
editor.on("paste",
function(event) {
if (!config.warnOnLimitOnly && (config.maxWordCount > 0 || config.maxCharCount > 0 || config.maxParagraphs > 0)) {
// Check if pasted content is above the limits
var wordCount = -1,
charCount = -1,
paragraphs = -1;
// BeforeGetData and getData events are fired when calling
// getData(). We can prevent this by passing true as an
// argument to getData(). This allows us to fire the events
// manually with additional event data: firedBy. This additional
// data helps differentiate calls to getData() made by
// wordCount plugin from calls made by other plugins/code.
event.editor.fire("beforeGetData", { firedBy: "wordCount.onPaste" }, event.editor);
var text = event.editor.getData(true);
event.editor.fire("getData", { dataValue: text, firedBy: "wordCount.onPaste" }, event.editor);
text += event.data.dataValue;
if (config.showCharCount) {
charCount = countCharacters(text);
}
if (config.showWordCount) {
wordCount = countWords(text);
}
if (config.showParagraphs) {
paragraphs = countParagraphs(text);
}
// Instantiate the notification when needed and only have one instance
if (notification === null) {
notification = new CKEDITOR.plugins.notification(event.editor,
{
message: event.editor.lang.wordcount.pasteWarning,
type: 'warning',
duration: config.pasteWarningDuration
});
}
if (config.maxCharCount > 0 && charCount > config.maxCharCount && config.hardLimit) {
if (!notification.isVisible()) {
notification.show();
}
event.cancel();
}
if (config.maxWordCount > 0 && wordCount > config.maxWordCount && config.hardLimit) {
if (!notification.isVisible()) {
notification.show();
}
event.cancel();
}
if (config.maxParagraphs > 0 && paragraphs > config.maxParagraphs && config.hardLimit) {
if (!notification.isVisible()) {
notification.show();
}
event.cancel();
}
}
},
editor,
null,
100);
editor.on("afterPaste",
function(event) {
updateCounter(event.editor);
},
editor,
null,
100);
}
});