forked from mirrors/easyappointments
112 lines
3.6 KiB
JavaScript
112 lines
3.6 KiB
JavaScript
/* ===========================================================
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* trumbowyg.cleanpaste.js v1.0
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* Font Clean paste plugin for Trumbowyg
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* http://alex-d.github.com/Trumbowyg
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* ===========================================================
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* Authors : Eric Radin
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* Todd Graham (slackwalker)
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*
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* This plugin will perform a "cleaning" on any paste, in particular
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* it will clean pasted content of microsoft word document tags and classes.
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*/
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(function ($) {
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'use strict';
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function checkValidTags(snippet) {
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var theString = snippet;
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// Replace uppercase element names with lowercase
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theString = theString.replace(/<[^> ]*/g, function (match) {
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return match.toLowerCase();
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});
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// Replace uppercase attribute names with lowercase
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theString = theString.replace(/<[^>]*>/g, function (match) {
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match = match.replace(/ [^=]+=/g, function (match2) {
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return match2.toLowerCase();
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});
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return match;
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});
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// Put quotes around unquoted attributes
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theString = theString.replace(/<[^>]*>/g, function (match) {
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match = match.replace(/( [^=]+=)([^"][^ >]*)/g, '$1\"$2\"');
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return match;
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});
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return theString;
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}
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function cleanIt(html) {
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// first make sure all tags and attributes are made valid
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html = checkValidTags(html);
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// Replace opening bold tags with strong
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html = html.replace(/<b(\s+|>)/g, '<strong$1');
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// Replace closing bold tags with closing strong
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html = html.replace(/<\/b(\s+|>)/g, '</strong$1');
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// Replace italic tags with em
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html = html.replace(/<i(\s+|>)/g, '<em$1');
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// Replace closing italic tags with closing em
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html = html.replace(/<\/i(\s+|>)/g, '</em$1');
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// strip out comments -cgCraft
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html = html.replace(/<!(?:--[\s\S]*?--\s*)?>\s*/g, '');
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// strip out -cgCraft
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html = html.replace(/ /gi, ' ');
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// strip out extra spaces -cgCraft
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html = html.replace(/ <\//gi, '</');
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while (html.indexOf(' ') !== -1) {
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html = html.split(' ').join(' ');
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}
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// strip -cgCraft
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html = html.replace(/^\s*|\s*$/g, '');
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// Strip out unaccepted attributes
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html = html.replace(/<[^>]*>/g, function (match) {
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match = match.replace(/ ([^=]+)="[^"]*"/g, function (match2, attributeName) {
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if (['alt', 'href', 'src', 'title'].indexOf(attributeName) !== -1) {
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return match2;
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}
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return '';
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});
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return match;
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});
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// Final cleanout for MS Word crud
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html = html.replace(/<\?xml[^>]*>/g, '');
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html = html.replace(/<[^ >]+:[^>]*>/g, '');
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html = html.replace(/<\/[^ >]+:[^>]*>/g, '');
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// remove unwanted tags
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html = html.replace(/<(div|span|style|meta|link).*?>/gi, '');
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return html;
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}
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// clean editor
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// this will clean the inserted contents
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// it does a compare, before and after paste to determine the
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// pasted contents
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$.extend(true, $.trumbowyg, {
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plugins: {
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cleanPaste: {
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init: function (trumbowyg) {
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trumbowyg.pasteHandlers.push(function () {
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try {
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trumbowyg.$ed.html(cleanIt(trumbowyg.$ed.html()));
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} catch (c) {
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}
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});
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}
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}
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}
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});
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})(jQuery);
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