/**
 * $Id: editor_plugin_src.js 201 2007-02-12 15:56:56Z spocke $
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
 */

(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) {
t.state = true;
t._toggleVisualChars();
}
});
},

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() {
var t = this, ed = t.editor, nl, i, h, d = ed.getDoc(), b = ed.getBody(), nv, s = ed.selection, bo;

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

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 class="mceItemHidden mceVisualNbsp">$1</span>');
nv = nv.replace(/\u00a0/g, '\u00b7');
ed.dom.setOuterHTML(nl[i], nv, d);
}
} else {
nl = tinymce.grep(ed.dom.select('span', b), function(n) {
return ed.dom.hasClass(n, 'mceVisualNbsp');
});

for (i=0; i<nl.length; i++)
ed.dom.setOuterHTML(nl[i], nl[i].innerHTML.replace(/(&middot;|\u00b7)/g, '&nbsp;'), d);
}
}
});

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