mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-09-08 18:51:12 +02:00
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@92488 467b73ca-7a2a-4603-9d3b-597d59a354a9
645 lines
20 KiB
JavaScript
645 lines
20 KiB
JavaScript
/**
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* $Id: ForceBlocks.js 1137 2009-05-22 15:13:40Z spocke $
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*
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* @author Moxiecode
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* @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
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*/
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(function(tinymce) {
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// Shorten names
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var Event, isIE, isGecko, isOpera, each, extend;
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Event = tinymce.dom.Event;
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isIE = tinymce.isIE;
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isGecko = tinymce.isGecko;
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isOpera = tinymce.isOpera;
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each = tinymce.each;
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extend = tinymce.extend;
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function isEmpty(n) {
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n = n.innerHTML;
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n = n.replace(/<(img|hr|table|input|select|textarea)[ \>]/gi, '-'); // Keep these convert them to - chars
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n = n.replace(/<[^>]+>/g, ''); // Remove all tags
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return n.replace(/[ \t\r\n]+/g, '') == '';
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};
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/**
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* This is a internal class and no method in this class should be called directly form the out side.
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*/
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tinymce.create('tinymce.ForceBlocks', {
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ForceBlocks : function(ed) {
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var t = this, s = ed.settings, elm;
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t.editor = ed;
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t.dom = ed.dom;
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elm = (s.forced_root_block || 'p').toLowerCase();
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s.element = elm.toUpperCase();
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ed.onPreInit.add(t.setup, t);
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t.reOpera = new RegExp('(\\u00a0| | )<\/' + elm + '>', 'gi');
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t.rePadd = new RegExp('<p( )([^>]+)><\\\/p>|<p( )([^>]+)\\\/>|<p( )([^>]+)>\\s+<\\\/p>|<p><\\\/p>|<p\\\/>|<p>\\s+<\\\/p>'.replace(/p/g, elm), 'gi');
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t.reNbsp2BR1 = new RegExp('<p( )([^>]+)>[\\s\\u00a0]+<\\\/p>|<p>[\\s\\u00a0]+<\\\/p>'.replace(/p/g, elm), 'gi');
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t.reNbsp2BR2 = new RegExp('<%p()([^>]+)>( | )<\\\/%p>|<%p>( | )<\\\/%p>'.replace(/%p/g, elm), 'gi');
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t.reBR2Nbsp = new RegExp('<p( )([^>]+)>\\s*<br \\\/>\\s*<\\\/p>|<p>\\s*<br \\\/>\\s*<\\\/p>'.replace(/p/g, elm), 'gi');
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function padd(ed, o) {
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if (isOpera)
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o.content = o.content.replace(t.reOpera, '</' + elm + '>');
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o.content = o.content.replace(t.rePadd, '<' + elm + '$1$2$3$4$5$6>\u00a0</' + elm + '>');
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if (!isIE && !isOpera && o.set) {
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// Use instead of BR in padded paragraphs
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o.content = o.content.replace(t.reNbsp2BR1, '<' + elm + '$1$2><br /></' + elm + '>');
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o.content = o.content.replace(t.reNbsp2BR2, '<' + elm + '$1$2><br /></' + elm + '>');
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} else
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o.content = o.content.replace(t.reBR2Nbsp, '<' + elm + '$1$2>\u00a0</' + elm + '>');
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};
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ed.onBeforeSetContent.add(padd);
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ed.onPostProcess.add(padd);
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if (s.forced_root_block) {
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ed.onInit.add(t.forceRoots, t);
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ed.onSetContent.add(t.forceRoots, t);
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ed.onBeforeGetContent.add(t.forceRoots, t);
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}
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},
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setup : function() {
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var t = this, ed = t.editor, s = ed.settings;
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// Force root blocks when typing and when getting output
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if (s.forced_root_block) {
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ed.onKeyUp.add(t.forceRoots, t);
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ed.onPreProcess.add(t.forceRoots, t);
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}
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if (s.force_br_newlines) {
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// Force IE to produce BRs on enter
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if (isIE) {
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ed.onKeyPress.add(function(ed, e) {
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var n, s = ed.selection;
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if (e.keyCode == 13 && s.getNode().nodeName != 'LI') {
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s.setContent('<br id="__" /> ', {format : 'raw'});
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n = ed.dom.get('__');
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n.removeAttribute('id');
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s.select(n);
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s.collapse();
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return Event.cancel(e);
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}
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});
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}
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return;
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}
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if (!isIE && s.force_p_newlines) {
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/* ed.onPreProcess.add(function(ed, o) {
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each(ed.dom.select('br', o.node), function(n) {
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var p = n.parentNode;
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// Replace <p><br /></p> with <p> </p>
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if (p && p.nodeName == 'p' && (p.childNodes.length == 1 || p.lastChild == n)) {
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p.replaceChild(ed.getDoc().createTextNode('\u00a0'), n);
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}
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});
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});*/
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ed.onKeyPress.add(function(ed, e) {
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if (e.keyCode == 13 && !e.shiftKey) {
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if (!t.insertPara(e))
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Event.cancel(e);
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}
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});
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if (isGecko) {
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ed.onKeyDown.add(function(ed, e) {
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if ((e.keyCode == 8 || e.keyCode == 46) && !e.shiftKey)
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t.backspaceDelete(e, e.keyCode == 8);
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});
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}
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}
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function ren(rn, na) {
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var ne = ed.dom.create(na);
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each(rn.attributes, function(a) {
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if (a.specified && a.nodeValue)
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ne.setAttribute(a.nodeName.toLowerCase(), a.nodeValue);
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});
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each(rn.childNodes, function(n) {
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ne.appendChild(n.cloneNode(true));
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});
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rn.parentNode.replaceChild(ne, rn);
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return ne;
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};
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// Padd empty inline elements within block elements
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// For example: <p><strong><em></em></strong></p> becomes <p><strong><em> </em></strong></p>
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ed.onPreProcess.add(function(ed, o) {
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each(ed.dom.select('p,h1,h2,h3,h4,h5,h6,div', o.node), function(p) {
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if (isEmpty(p)) {
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each(ed.dom.select('span,em,strong,b,i', o.node), function(n) {
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if (!n.hasChildNodes()) {
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n.appendChild(ed.getDoc().createTextNode('\u00a0'));
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return false; // Break the loop one padding is enough
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}
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});
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}
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});
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});
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// IE specific fixes
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if (isIE) {
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// Replaces IE:s auto generated paragraphs with the specified element name
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if (s.element != 'P') {
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ed.onKeyPress.add(function(ed, e) {
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t.lastElm = ed.selection.getNode().nodeName;
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});
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ed.onKeyUp.add(function(ed, e) {
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var bl, sel = ed.selection, n = sel.getNode(), b = ed.getBody();
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if (b.childNodes.length === 1 && n.nodeName == 'P') {
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n = ren(n, s.element);
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sel.select(n);
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sel.collapse();
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ed.nodeChanged();
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} else if (e.keyCode == 13 && !e.shiftKey && t.lastElm != 'P') {
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bl = ed.dom.getParent(n, 'p');
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if (bl) {
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ren(bl, s.element);
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ed.nodeChanged();
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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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find : function(n, t, s) {
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var ed = this.editor, w = ed.getDoc().createTreeWalker(n, 4, null, false), c = -1;
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while (n = w.nextNode()) {
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c++;
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// Index by node
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if (t == 0 && n == s)
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return c;
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// Node by index
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if (t == 1 && c == s)
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return n;
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}
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return -1;
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},
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forceRoots : function(ed, e) {
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var t = this, ed = t.editor, b = ed.getBody(), d = ed.getDoc(), se = ed.selection, s = se.getSel(), r = se.getRng(), si = -2, ei, so, eo, tr, c = -0xFFFFFF;
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var nx, bl, bp, sp, le, nl = b.childNodes, i, n, eid;
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// Fix for bug #1863847
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//if (e && e.keyCode == 13)
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// return true;
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// Wrap non blocks into blocks
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for (i = nl.length - 1; i >= 0; i--) {
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nx = nl[i];
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// Is text or non block element
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if (nx.nodeType == 3 || (!t.dom.isBlock(nx) && nx.nodeType != 8)) {
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if (!bl) {
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// Create new block but ignore whitespace
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if (nx.nodeType != 3 || /[^\s]/g.test(nx.nodeValue)) {
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// Store selection
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if (si == -2 && r) {
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if (!isIE) {
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// If selection is element then mark it
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if (r.startContainer.nodeType == 1 && (n = r.startContainer.childNodes[r.startOffset]) && n.nodeType == 1) {
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// Save the id of the selected element
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eid = n.getAttribute("id");
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n.setAttribute("id", "__mce");
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} else {
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// If element is inside body, might not be the case in contentEdiable mode
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if (ed.dom.getParent(r.startContainer, function(e) {return e === b;})) {
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so = r.startOffset;
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eo = r.endOffset;
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si = t.find(b, 0, r.startContainer);
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ei = t.find(b, 0, r.endContainer);
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}
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}
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} else {
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tr = d.body.createTextRange();
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tr.moveToElementText(b);
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tr.collapse(1);
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bp = tr.move('character', c) * -1;
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tr = r.duplicate();
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tr.collapse(1);
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sp = tr.move('character', c) * -1;
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tr = r.duplicate();
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tr.collapse(0);
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le = (tr.move('character', c) * -1) - sp;
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si = sp - bp;
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ei = le;
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}
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}
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bl = ed.dom.create(ed.settings.forced_root_block);
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bl.appendChild(nx.cloneNode(1));
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nx.parentNode.replaceChild(bl, nx);
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}
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} else {
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if (bl.hasChildNodes())
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bl.insertBefore(nx, bl.firstChild);
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else
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bl.appendChild(nx);
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}
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} else
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bl = null; // Time to create new block
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}
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// Restore selection
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if (si != -2) {
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if (!isIE) {
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bl = b.getElementsByTagName(ed.settings.element)[0];
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r = d.createRange();
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// Select last location or generated block
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if (si != -1)
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r.setStart(t.find(b, 1, si), so);
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else
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r.setStart(bl, 0);
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// Select last location or generated block
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if (ei != -1)
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r.setEnd(t.find(b, 1, ei), eo);
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else
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r.setEnd(bl, 0);
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if (s) {
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s.removeAllRanges();
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s.addRange(r);
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}
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} else {
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try {
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r = s.createRange();
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r.moveToElementText(b);
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r.collapse(1);
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r.moveStart('character', si);
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r.moveEnd('character', ei);
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r.select();
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} catch (ex) {
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// Ignore
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}
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}
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} else if (!isIE && (n = ed.dom.get('__mce'))) {
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// Restore the id of the selected element
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if (eid)
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n.setAttribute('id', eid);
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else
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n.removeAttribute('id');
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// Move caret before selected element
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r = d.createRange();
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r.setStartBefore(n);
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r.setEndBefore(n);
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se.setRng(r);
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}
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},
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getParentBlock : function(n) {
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var d = this.dom;
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return d.getParent(n, d.isBlock);
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},
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insertPara : function(e) {
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var t = this, ed = t.editor, dom = ed.dom, d = ed.getDoc(), se = ed.settings, s = ed.selection.getSel(), r = s.getRangeAt(0), b = d.body;
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var rb, ra, dir, sn, so, en, eo, sb, eb, bn, bef, aft, sc, ec, n, vp = dom.getViewPort(ed.getWin()), y, ch, car;
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// If root blocks are forced then use Operas default behavior since it's really good
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// Removed due to bug: #1853816
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// if (se.forced_root_block && isOpera)
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// return true;
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// Setup before range
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rb = d.createRange();
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// If is before the first block element and in body, then move it into first block element
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rb.setStart(s.anchorNode, s.anchorOffset);
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rb.collapse(true);
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// Setup after range
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ra = d.createRange();
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// If is before the first block element and in body, then move it into first block element
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ra.setStart(s.focusNode, s.focusOffset);
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ra.collapse(true);
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// Setup start/end points
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dir = rb.compareBoundaryPoints(rb.START_TO_END, ra) < 0;
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sn = dir ? s.anchorNode : s.focusNode;
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so = dir ? s.anchorOffset : s.focusOffset;
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en = dir ? s.focusNode : s.anchorNode;
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eo = dir ? s.focusOffset : s.anchorOffset;
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// If selection is in empty table cell
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if (sn === en && /^(TD|TH)$/.test(sn.nodeName)) {
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if (sn.firstChild.nodeName == 'BR')
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dom.remove(sn.firstChild); // Remove BR
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// Create two new block elements
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if (sn.childNodes.length == 0) {
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ed.dom.add(sn, se.element, null, '<br />');
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aft = ed.dom.add(sn, se.element, null, '<br />');
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} else {
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n = sn.innerHTML;
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sn.innerHTML = '';
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ed.dom.add(sn, se.element, null, n);
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aft = ed.dom.add(sn, se.element, null, '<br />');
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}
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// Move caret into the last one
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r = d.createRange();
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r.selectNodeContents(aft);
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r.collapse(1);
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ed.selection.setRng(r);
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return false;
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}
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// If the caret is in an invalid location in FF we need to move it into the first block
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if (sn == b && en == b && b.firstChild && ed.dom.isBlock(b.firstChild)) {
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sn = en = sn.firstChild;
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so = eo = 0;
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rb = d.createRange();
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rb.setStart(sn, 0);
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ra = d.createRange();
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ra.setStart(en, 0);
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}
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// Never use body as start or end node
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sn = sn.nodeName == "HTML" ? d.body : sn; // Fix for Opera bug: https://bugs.opera.com/show_bug.cgi?id=273224&comments=yes
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sn = sn.nodeName == "BODY" ? sn.firstChild : sn;
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en = en.nodeName == "HTML" ? d.body : en; // Fix for Opera bug: https://bugs.opera.com/show_bug.cgi?id=273224&comments=yes
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en = en.nodeName == "BODY" ? en.firstChild : en;
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// Get start and end blocks
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sb = t.getParentBlock(sn);
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eb = t.getParentBlock(en);
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bn = sb ? sb.nodeName : se.element; // Get block name to create
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// Return inside list use default browser behavior
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if (t.dom.getParent(sb, 'ol,ul,pre'))
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return true;
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// If caption or absolute layers then always generate new blocks within
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if (sb && (sb.nodeName == 'CAPTION' || /absolute|relative|fixed/gi.test(dom.getStyle(sb, 'position', 1)))) {
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bn = se.element;
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sb = null;
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}
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// If caption or absolute layers then always generate new blocks within
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if (eb && (eb.nodeName == 'CAPTION' || /absolute|relative|fixed/gi.test(dom.getStyle(sb, 'position', 1)))) {
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bn = se.element;
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eb = null;
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}
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// Use P instead
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if (/(TD|TABLE|TH|CAPTION)/.test(bn) || (sb && bn == "DIV" && /left|right/gi.test(dom.getStyle(sb, 'float', 1)))) {
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bn = se.element;
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sb = eb = null;
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}
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// Setup new before and after blocks
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bef = (sb && sb.nodeName == bn) ? sb.cloneNode(0) : ed.dom.create(bn);
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aft = (eb && eb.nodeName == bn) ? eb.cloneNode(0) : ed.dom.create(bn);
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// Remove id from after clone
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aft.removeAttribute('id');
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// Is header and cursor is at the end, then force paragraph under
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if (/^(H[1-6])$/.test(bn) && sn.nodeValue && so == sn.nodeValue.length)
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aft = ed.dom.create(se.element);
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// Find start chop node
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n = sc = sn;
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do {
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if (n == b || n.nodeType == 9 || t.dom.isBlock(n) || /(TD|TABLE|TH|CAPTION)/.test(n.nodeName))
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break;
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sc = n;
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} while ((n = n.previousSibling ? n.previousSibling : n.parentNode));
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// Find end chop node
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n = ec = en;
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do {
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if (n == b || n.nodeType == 9 || t.dom.isBlock(n) || /(TD|TABLE|TH|CAPTION)/.test(n.nodeName))
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break;
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ec = n;
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} while ((n = n.nextSibling ? n.nextSibling : n.parentNode));
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// Place first chop part into before block element
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if (sc.nodeName == bn)
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rb.setStart(sc, 0);
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else
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rb.setStartBefore(sc);
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rb.setEnd(sn, so);
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bef.appendChild(rb.cloneContents() || d.createTextNode('')); // Empty text node needed for Safari
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// Place secnd chop part within new block element
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try {
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ra.setEndAfter(ec);
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} catch(ex) {
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//console.debug(s.focusNode, s.focusOffset);
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}
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ra.setStart(en, eo);
|
|
aft.appendChild(ra.cloneContents() || d.createTextNode('')); // Empty text node needed for Safari
|
|
|
|
// Create range around everything
|
|
r = d.createRange();
|
|
if (!sc.previousSibling && sc.parentNode.nodeName == bn) {
|
|
r.setStartBefore(sc.parentNode);
|
|
} else {
|
|
if (rb.startContainer.nodeName == bn && rb.startOffset == 0)
|
|
r.setStartBefore(rb.startContainer);
|
|
else
|
|
r.setStart(rb.startContainer, rb.startOffset);
|
|
}
|
|
|
|
if (!ec.nextSibling && ec.parentNode.nodeName == bn)
|
|
r.setEndAfter(ec.parentNode);
|
|
else
|
|
r.setEnd(ra.endContainer, ra.endOffset);
|
|
|
|
// Delete and replace it with new block elements
|
|
r.deleteContents();
|
|
|
|
if (isOpera)
|
|
ed.getWin().scrollTo(0, vp.y);
|
|
|
|
// Never wrap blocks in blocks
|
|
if (bef.firstChild && bef.firstChild.nodeName == bn)
|
|
bef.innerHTML = bef.firstChild.innerHTML;
|
|
|
|
if (aft.firstChild && aft.firstChild.nodeName == bn)
|
|
aft.innerHTML = aft.firstChild.innerHTML;
|
|
|
|
// Padd empty blocks
|
|
if (isEmpty(bef))
|
|
bef.innerHTML = '<br />';
|
|
|
|
function appendStyles(e, en) {
|
|
var nl = [], nn, n, i;
|
|
|
|
e.innerHTML = '';
|
|
|
|
// Make clones of style elements
|
|
if (se.keep_styles) {
|
|
n = en;
|
|
do {
|
|
// We only want style specific elements
|
|
if (/^(SPAN|STRONG|B|EM|I|FONT|STRIKE|U)$/.test(n.nodeName)) {
|
|
nn = n.cloneNode(false);
|
|
dom.setAttrib(nn, 'id', ''); // Remove ID since it needs to be unique
|
|
nl.push(nn);
|
|
}
|
|
} while (n = n.parentNode);
|
|
}
|
|
|
|
// Append style elements to aft
|
|
if (nl.length > 0) {
|
|
for (i = nl.length - 1, nn = e; i >= 0; i--)
|
|
nn = nn.appendChild(nl[i]);
|
|
|
|
// Padd most inner style element
|
|
nl[0].innerHTML = isOpera ? ' ' : '<br />'; // Extra space for Opera so that the caret can move there
|
|
return nl[0]; // Move caret to most inner element
|
|
} else
|
|
e.innerHTML = isOpera ? ' ' : '<br />'; // Extra space for Opera so that the caret can move there
|
|
};
|
|
|
|
// Fill empty afterblook with current style
|
|
if (isEmpty(aft))
|
|
car = appendStyles(aft, en);
|
|
|
|
// Opera needs this one backwards for older versions
|
|
if (isOpera && parseFloat(opera.version()) < 9.5) {
|
|
r.insertNode(bef);
|
|
r.insertNode(aft);
|
|
} else {
|
|
r.insertNode(aft);
|
|
r.insertNode(bef);
|
|
}
|
|
|
|
// Normalize
|
|
aft.normalize();
|
|
bef.normalize();
|
|
|
|
function first(n) {
|
|
return d.createTreeWalker(n, NodeFilter.SHOW_TEXT, null, false).nextNode() || n;
|
|
};
|
|
|
|
// Move cursor and scroll into view
|
|
r = d.createRange();
|
|
r.selectNodeContents(isGecko ? first(car || aft) : car || aft);
|
|
r.collapse(1);
|
|
s.removeAllRanges();
|
|
s.addRange(r);
|
|
|
|
// scrollIntoView seems to scroll the parent window in most browsers now including FF 3.0b4 so it's time to stop using it and do it our selfs
|
|
y = ed.dom.getPos(aft).y;
|
|
ch = aft.clientHeight;
|
|
|
|
// Is element within viewport
|
|
if (y < vp.y || y + ch > vp.y + vp.h) {
|
|
ed.getWin().scrollTo(0, y < vp.y ? y : y - vp.h + 25); // Needs to be hardcoded to roughly one line of text if a huge text block is broken into two blocks
|
|
//console.debug('SCROLL!', 'vp.y: ' + vp.y, 'y' + y, 'vp.h' + vp.h, 'clientHeight' + aft.clientHeight, 'yyy: ' + (y < vp.y ? y : y - vp.h + aft.clientHeight));
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
backspaceDelete : function(e, bs) {
|
|
var t = this, ed = t.editor, b = ed.getBody(), n, se = ed.selection, r = se.getRng(), sc = r.startContainer, n, w, tn;
|
|
|
|
// The caret sometimes gets stuck in Gecko if you delete empty paragraphs
|
|
// This workaround removes the element by hand and moves the caret to the previous element
|
|
if (sc && ed.dom.isBlock(sc) && !/^(TD|TH)$/.test(sc.nodeName) && bs) {
|
|
if (sc.childNodes.length == 0 || (sc.childNodes.length == 1 && sc.firstChild.nodeName == 'BR')) {
|
|
// Find previous block element
|
|
n = sc;
|
|
while ((n = n.previousSibling) && !ed.dom.isBlock(n)) ;
|
|
|
|
if (n) {
|
|
if (sc != b.firstChild) {
|
|
// Find last text node
|
|
w = ed.dom.doc.createTreeWalker(n, NodeFilter.SHOW_TEXT, null, false);
|
|
while (tn = w.nextNode())
|
|
n = tn;
|
|
|
|
// Place caret at the end of last text node
|
|
r = ed.getDoc().createRange();
|
|
r.setStart(n, n.nodeValue ? n.nodeValue.length : 0);
|
|
r.setEnd(n, n.nodeValue ? n.nodeValue.length : 0);
|
|
se.setRng(r);
|
|
|
|
// Remove the target container
|
|
ed.dom.remove(sc);
|
|
}
|
|
|
|
return Event.cancel(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Gecko generates BR elements here and there, we don't like those so lets remove them
|
|
function handler(e) {
|
|
var pr;
|
|
|
|
e = e.target;
|
|
|
|
// A new BR was created in a block element, remove it
|
|
if (e && e.parentNode && e.nodeName == 'BR' && (n = t.getParentBlock(e))) {
|
|
pr = e.previousSibling;
|
|
|
|
Event.remove(b, 'DOMNodeInserted', handler);
|
|
|
|
// Is there whitespace at the end of the node before then we might need the pesky BR
|
|
// to place the caret at a correct location see bug: #2013943
|
|
if (pr && pr.nodeType == 3 && /\s+$/.test(pr.nodeValue))
|
|
return;
|
|
|
|
// Only remove BR elements that got inserted in the middle of the text
|
|
if (e.previousSibling || e.nextSibling)
|
|
ed.dom.remove(e);
|
|
}
|
|
};
|
|
|
|
// Listen for new nodes
|
|
Event._add(b, 'DOMNodeInserted', handler);
|
|
|
|
// Remove listener
|
|
window.setTimeout(function() {
|
|
Event._remove(b, 'DOMNodeInserted', handler);
|
|
}, 1);
|
|
}
|
|
});
|
|
})(tinymce);
|