/**
* editor_plugin_src.js
*
* Copyright 2009, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://tinymce.moxiecode.com/license
* Contributing: http://tinymce.moxiecode.com/contributing
*/

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

t.editor = ed;

// Register commands
ed.addCommand('mceVisualChars', t._toggleVisualChars, t);

// Register buttons
ed.addButton('visualchars', {title : 'visualchars.desc', cmd : 'mceVisualChars'});

ed.onBeforeGetContent.add(function(ed, o) {
if (t.state && o.format != 'raw' && !o.draft) {
t.state = true;
t._toggleVisualChars(false);
}
});
},

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

// Private methods

_toggleVisualChars : function(bookmark) {
var t = this, ed = t.editor, nl, i, h, d = ed.getDoc(), b = ed.getBody(), nv, s = ed.selection, bo, div, bm;

t.state = !t.state;
ed.controlManager.setActive('visualchars', t.state);

if (bookmark)
bm = s.getBookmark();

if (t.state) {
nl = [];
tinymce.walk(b, function(n) {
if (n.nodeType == 3 && n.nodeValue && n.nodeValue.indexOf('\u00a0') != -1)
nl.push(n);
}, 'childNodes');

for (i = 0; i < nl.length; i++) {
nv = nl[i].nodeValue;
nv = nv.replace(/(\u00a0)/g, '<span data-mce-bogus="1" class="mceItemHidden mceItemNbsp">$1</span>');

div = ed.dom.create('div', null, nv);
while (node = div.lastChild)
ed.dom.insertAfter(node, nl[i]);

ed.dom.remove(nl[i]);
}
} else {
nl = ed.dom.select('span.mceItemNbsp', b);

for (i = nl.length - 1; i >= 0; i--)
ed.dom.remove(nl[i], 1);
}

s.moveToBookmark(bm);
}
});

// Register plugin
tinymce.PluginManager.add('visualchars', tinymce.plugins.VisualChars);
})();