/**
 * $Id: editor_plugin_src.js 264 2007-04-26 20:53:09Z spocke $
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
 */

(function() {
var Event = tinymce.dom.Event, grep = tinymce.grep, each = tinymce.each, inArray = tinymce.inArray;

function isEmpty(d, e, f) {
var w, n;

w = d.createTreeWalker(e, NodeFilter.SHOW_ALL, null, false);
while (n = w.nextNode()) {
// Filter func
if (f) {
if (!f(n))
return false;
}

// Non whitespace text node
if (n.nodeType == 3 && n.nodeValue && /[^\s\u00a0]+/.test(n.nodeValue))
return false;

// Is non text element byt still content
if (n.nodeType == 1 && /^(HR|IMG|TABLE)$/.test(n.nodeName))
return false;
}

return true;
};

tinymce.create('tinymce.plugins.Safari', {
init : function(ed) {
var t = this, dom;

// Ignore on non webkit
if (!tinymce.isWebKit)
return;

t.editor = ed;
t.webKitFontSizes = ['x-small', 'small', 'medium', 'large', 'x-large', 'xx-large', '-webkit-xxx-large'];
t.namedFontSizes = ['xx-small', 'x-small','small','medium','large','x-large', 'xx-large'];

// Safari CreateLink command will not work correctly on images that is aligned
ed.addCommand('CreateLink', function(u, v) {
var n = ed.selection.getNode(), dom = ed.dom, a;

if (n && (/^(left|right)$/i.test(dom.getStyle(n, 'float', 1)) || /^(left|right)$/i.test(dom.getAttrib(n, 'align')))) {
a = dom.create('a', {href : v}, n.cloneNode());
n.parentNode.replaceChild(a, n);
ed.selection.select(a);
} else
ed.getDoc().execCommand("CreateLink", false, v);
});

/*
// WebKit generates spans out of thin air this patch used to remove them but it will also remove styles we want so it's disabled for now
ed.onPaste.add(function(ed, e) {
function removeStyles(e) {
e = e.target;

if (e.nodeType == 1) {
e.style.cssText = '';

each(ed.dom.select('*', e), function(e) {
e.style.cssText = '';
});
}
};

Event.add(ed.getDoc(), 'DOMNodeInserted', removeStyles);

window.setTimeout(function() {
Event.remove(ed.getDoc(), 'DOMNodeInserted', removeStyles);
}, 0);
});
*/
ed.onKeyUp.add(function(ed, e) {
var h, b, r, n, s;

// If backspace or delete key
if (e.keyCode == 46 || e.keyCode == 8) {
b = ed.getBody();
h = b.innerHTML;
s = ed.selection;

// If there is no text content or images or hr elements then remove everything
if (b.childNodes.length == 1 && !/<(img|hr)/.test(h) && tinymce.trim(h.replace(/<[^>]+>/g, '')).length == 0) {
// Inject paragrah and bogus br
ed.setContent('<p><br mce_bogus="1" /></p>', {format : 'raw'});

// Move caret before bogus br
n = b.firstChild;
r = s.getRng();
r.setStart(n, 0);
r.setEnd(n, 0);
s.setRng(r);
}
}
});

// Workaround for FormatBlock bug, http://bugs.webkit.org/show_bug.cgi?id=16004
ed.addCommand('FormatBlock', function(u, v) {
var dom = ed.dom, e = dom.getParent(ed.selection.getNode(), dom.isBlock);

if (e)
dom.replace(dom.create(v), e, 1);
else
ed.getDoc().execCommand("FormatBlock", false, v);
});

// Workaround for InsertHTML bug, http://bugs.webkit.org/show_bug.cgi?id=16382
ed.addCommand('mceInsertContent', function(u, v) {
ed.getDoc().execCommand("InsertText", false, 'mce_marker');
ed.getBody().innerHTML = ed.getBody().innerHTML.replace(/mce_marker/g, ed.dom.processHTML(v) + '<span id="_mce_tmp">XX</span>');
ed.selection.select(ed.dom.get('_mce_tmp'));
ed.getDoc().execCommand("Delete", false, ' ');
});

/* ed.onKeyDown.add(function(ed, e) {
// Ctrl+A select all will fail on WebKit since if you paste the contents you selected it will produce a odd div wrapper
if ((e.ctrlKey || e.metaKey) && e.keyCode == 65) {
ed.selection.select(ed.getBody(), 1);
return Event.cancel(e);
}
});*/

ed.onKeyPress.add(function(ed, e) {
var se, li, lic, r1, r2, n, sel, doc, be, af, pa;

if (e.keyCode == 13) {
sel = ed.selection;
se = sel.getNode();

// Workaround for missing shift+enter support, http://bugs.webkit.org/show_bug.cgi?id=16973
if (e.shiftKey || ed.settings.force_br_newlines && se.nodeName != 'LI') {
t._insertBR(ed);
Event.cancel(e);
}

// Workaround for DIV elements produced by Safari
if (li = dom.getParent(se, 'LI')) {
lic = dom.getParent(li, 'OL,UL');
doc = ed.getDoc();

pa = dom.create('p');
dom.add(pa, 'br', {mce_bogus : "1"});

if (isEmpty(doc, li)) {
// If list in list then use browser default behavior
if (n = dom.getParent(lic.parentNode, 'LI,OL,UL'))
return;

n = dom.getParent(lic, 'p,h1,h2,h3,h4,h5,h6,div') || lic;

// Create range from the start of block element to the list item
r1 = doc.createRange();
r1.setStartBefore(n);
r1.setEndBefore(li);

// Create range after the list to the end of block element
r2 = doc.createRange();
r2.setStartAfter(li);
r2.setEndAfter(n);

be = r1.cloneContents();
af = r2.cloneContents();

if (!isEmpty(doc, af))
dom.insertAfter(af, n);

dom.insertAfter(pa, n);

if (!isEmpty(doc, be))
dom.insertAfter(be, n);

dom.remove(n);

n = pa.firstChild;
r1 = doc.createRange();
r1.setStartBefore(n);
r1.setEndBefore(n);
sel.setRng(r1);

return Event.cancel(e);
}
}
}
});

// Safari doesn't place lists outside block elements
ed.onExecCommand.add(function(ed, cmd) {
var sel, dom, bl, bm;

if (cmd == 'InsertUnorderedList' || cmd == 'InsertOrderedList') {
sel = ed.selection;
dom = ed.dom;

if (bl = dom.getParent(sel.getNode(), function(n) {return /^(H[1-6]|P|ADDRESS|PRE)$/.test(n.nodeName);})) {
bm = sel.getBookmark();
dom.remove(bl, 1);
sel.moveToBookmark(bm);
}
}
});

// Workaround for bug, http://bugs.webkit.org/show_bug.cgi?id=12250
ed.onClick.add(function(ed, e) {
e = e.target;

if (e.nodeName == 'IMG') {
t.selElm = e;
ed.selection.select(e);
} else
t.selElm = null;
});

ed.onInit.add(function() {
t._fixWebKitSpans();
});

ed.onSetContent.add(function() {
dom = ed.dom;

// Convert strong,b,em,u,strike to spans
each(['strong','b','em','u','strike','sub','sup','a'], function(v) {
each(grep(dom.select(v)).reverse(), function(n) {
var nn = n.nodeName.toLowerCase(), st;

// Convert anchors into images
if (nn == 'a') {
if (n.name)
dom.replace(dom.create('img', {mce_name : 'a', name : n.name, 'class' : 'mceItemAnchor'}), n);

return;
}

switch (nn) {
case 'b':
case 'strong':
if (nn == 'b')
nn = 'strong';

st = 'font-weight: bold;';
break;

case 'em':
st = 'font-style: italic;';
break;

case 'u':
st = 'text-decoration: underline;';
break;

case 'sub':
st = 'vertical-align: sub;';
break;

case 'sup':
st = 'vertical-align: super;';
break;

case 'strike':
st = 'text-decoration: line-through;';
break;
}

dom.replace(dom.create('span', {mce_name : nn, style : st, 'class' : 'Apple-style-span'}), n, 1);
});
});
});

ed.onPreProcess.add(function(ed, o) {
dom = ed.dom;

each(grep(o.node.getElementsByTagName('span')).reverse(), function(n) {
var v, bg;

if (o.get) {
if (dom.hasClass(n, 'Apple-style-span')) {
bg = n.style.backgroundColor;

switch (dom.getAttrib(n, 'mce_name')) {
case 'font':
if (!ed.settings.convert_fonts_to_spans)
dom.setAttrib(n, 'style', '');
break;

case 'strong':
case 'em':
case 'sub':
case 'sup':
dom.setAttrib(n, 'style', '');
break;

case 'strike':
case 'u':
if (!ed.settings.inline_styles)
dom.setAttrib(n, 'style', '');
else
dom.setAttrib(n, 'mce_name', '');

break;

default:
if (!ed.settings.inline_styles)
dom.setAttrib(n, 'style', '');
}


if (bg)
n.style.backgroundColor = bg;
}
}

if (dom.hasClass(n, 'mceItemRemoved'))
dom.remove(n, 1);
});
});

ed.onPostProcess.add(function(ed, o) {
// Safari adds BR at end of all block elements
o.content = o.content.replace(/<br \/><\/(h[1-6]|div|p|address|pre)>/g, '</$1>');

// Safari adds id="undefined" to HR elements
o.content = o.content.replace(/ id=\"undefined\"/g, '');
});
},

getInfo : function() {
return {
longname : 'Safari compatibility',
author : 'Moxiecode Systems AB',
authorurl : 'http://tinymce.moxiecode.com',
infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/safari',
version : tinymce.majorVersion + "." + tinymce.minorVersion
};
},

// Internal methods

_fixWebKitSpans : function() {
var t = this, ed = t.editor;

// Use mutator events on new WebKit
Event.add(ed.getDoc(), 'DOMNodeInserted', function(e) {
e = e.target;

if (e && e.nodeType == 1)
t._fixAppleSpan(e);
});
},

_fixAppleSpan : function(e) {
var ed = this.editor, dom = ed.dom, fz = this.webKitFontSizes, fzn = this.namedFontSizes, s = ed.settings, st, p;

if (dom.getAttrib(e, 'mce_fixed'))
return;

// Handle Apple style spans
if (e.nodeName == 'SPAN' && e.className == 'Apple-style-span') {
st = e.style;

if (!s.convert_fonts_to_spans) {
if (st.fontSize) {
dom.setAttrib(e, 'mce_name', 'font');
dom.setAttrib(e, 'size', inArray(fz, st.fontSize) + 1);
}

if (st.fontFamily) {
dom.setAttrib(e, 'mce_name', 'font');
dom.setAttrib(e, 'face', st.fontFamily);
}

if (st.color) {
dom.setAttrib(e, 'mce_name', 'font');
dom.setAttrib(e, 'color', dom.toHex(st.color));
}

if (st.backgroundColor) {
dom.setAttrib(e, 'mce_name', 'font');
dom.setStyle(e, 'background-color', st.backgroundColor);
}
} else {
if (st.fontSize)
dom.setStyle(e, 'fontSize', fzn[inArray(fz, st.fontSize)]);
}

if (st.fontWeight == 'bold')
dom.setAttrib(e, 'mce_name', 'strong');

if (st.fontStyle == 'italic')
dom.setAttrib(e, 'mce_name', 'em');

if (st.textDecoration == 'underline')
dom.setAttrib(e, 'mce_name', 'u');

if (st.textDecoration == 'line-through')
dom.setAttrib(e, 'mce_name', 'strike');

if (st.verticalAlign == 'super')
dom.setAttrib(e, 'mce_name', 'sup');

if (st.verticalAlign == 'sub')
dom.setAttrib(e, 'mce_name', 'sub');

dom.setAttrib(e, 'mce_fixed', '1');
}
},

_insertBR : function(ed) {
var dom = ed.dom, s = ed.selection, r = s.getRng(), br;

// Insert BR element
r.insertNode(br = dom.create('br'));

// Place caret after BR
r.setStartAfter(br);
r.setEndAfter(br);
s.setRng(r);

// Could not place caret after BR then insert an nbsp entity and move the caret
if (s.getSel().focusNode == br.previousSibling) {
s.select(dom.insertAfter(dom.doc.createTextNode('\u00a0'), br));
s.collapse(1);
}

// Scroll to new position, scrollIntoView can't be used due to bug: http://bugs.webkit.org/show_bug.cgi?id=16117
ed.getWin().scrollTo(0, dom.getPos(s.getRng().startContainer).y);
}
});

// Register plugin
tinymce.PluginManager.add('safari', tinymce.plugins.Safari);
})();