114 lines
3.1 KiB
JavaScript
114 lines
3.1 KiB
JavaScript
/**
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* Quirks.js
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*
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* Copyright, Moxiecode Systems AB
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* Released under LGPL License.
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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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/**
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* This class contains various fixes for browsers. These issues can not be feature
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* detected since we have no direct control over the clipboard. However we might be able
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* to remove some of these fixes once the browsers gets updated/fixed.
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*
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* @class tinymce.pasteplugin.Quirks
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* @private
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*/
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define("tinymce/pasteplugin/Quirks", [
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"tinymce/Env",
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"tinymce/util/Tools"
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], function(Env, Tools) {
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"use strict";
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return function(editor) {
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var explorerBlocksRegExp;
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function addPreProcessFilter(filterFunc) {
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editor.on('PastePreProcess', function(e) {
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e.content = filterFunc(e.content);
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});
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}
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function process(content, items) {
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Tools.each(items, function(v) {
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if (v.constructor == RegExp) {
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content = content.replace(v, '');
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} else {
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content = content.replace(v[0], v[1]);
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}
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});
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return content;
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}
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/**
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* Removes WebKit fragment comments and converted-space spans.
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*
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* This:
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* <!--StartFragment-->a<span class="Apple-converted-space"> </span>b<!--EndFragment-->
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*
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* Becomes:
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* a b
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*/
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function removeWebKitFragments(html) {
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html = process(html, [
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/^[\s\S]*<!--StartFragment-->|<!--EndFragment-->[\s\S]*$/g, // WebKit fragment
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[/<span class="Apple-converted-space">\u00a0<\/span>/g, '\u00a0'], // WebKit
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/<br>$/ // Traling BR elements
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]);
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return html;
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}
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/**
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* Removes BR elements after block elements. IE9 has a nasty bug where it puts a BR element after each
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* block element when pasting from word. This removes those elements.
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*
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* This:
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* <p>a</p><br><p>b</p>
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*
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* Becomes:
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* <p>a</p><p>b</p>
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*/
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function removeExplorerBrElementsAfterBlocks(html) {
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// Produce block regexp based on the block elements in schema
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if (!explorerBlocksRegExp) {
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var blockElements = [];
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Tools.each(editor.schema.getBlockElements(), function(block, blockName) {
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blockElements.push(blockName);
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});
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explorerBlocksRegExp = new RegExp(
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'(?:<br> [\\s\\r\\n]+|<br>)*(<\\/?(' + blockElements.join('|') + ')[^>]*>)(?:<br> [\\s\\r\\n]+|<br>)*',
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'g'
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);
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}
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// Remove BR:s from: <BLOCK>X</BLOCK><BR>
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html = process(html, [
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[explorerBlocksRegExp, '$1']
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]);
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// IE9 also adds an extra BR element for each soft-linefeed and it also adds a BR for each word wrap break
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html = process(html, [
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[/<br><br>/g, '<BR><BR>'], // Replace multiple BR elements with uppercase BR to keep them intact
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[/<br>/g, ' '], // Replace single br elements with space since they are word wrap BR:s
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[/<BR><BR>/g, '<br>'] // Replace back the double brs but into a single BR
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]);
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return html;
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}
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// Sniff browsers and apply fixes since we can't feature detect
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if (Env.webkit) {
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addPreProcessFilter(removeWebKitFragments);
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}
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if (Env.ie) {
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addPreProcessFilter(removeExplorerBrElementsAfterBlocks);
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}
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};
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}); |