tinyMCEPopup.requireLangPack();

var LinkDialog = {
	init : function(ed) {
		var action, elm, f = document.forms[0];

		this.editor = ed;
		elm = ed.dom.getParent(ed.selection.getNode(), 'A');
		v = ed.dom.getAttrib(elm, 'href');

		if (v) {
			this.action = 'update';
			f.linkUrl.value = v;
		}

		f.insert.value = ed.getLang(elm ? 'update' : 'insert');
	},

	update : function() {
		var ed = this.editor;
		var e = ed.dom.getParent(ed.selection.getNode(), 'A');
		var href = document.forms[0].linkUrl.value;

		tinyMCEPopup.restoreSelection();

		ed.execCommand("mceBeginUndoLevel");

		if (!href) {
			// Remove link element
			if (e) {
				var b = ed.selection.getBookmark();
				ed.dom.remove(e, 1);
				ed.selection.moveToBookmark(b);
			}
		} else {
			// Create new link element
			if (e == null) {
				ed.getDoc().execCommand("unlink", false, null);
				ed.execCommand("CreateLink", false, "#mce_temp_url#", {skip_undo : 1});
	
				tinymce.each(ed.dom.select("a"), function(n) {
					if (ed.dom.getAttrib(n, 'href') == '#mce_temp_url#') {
						e = n;
	
						ed.dom.setAttribs(e, {
							href : href,
							title : "",
							target : null,
							'class' : null
						});
					}
				});
			} else {
				ed.dom.setAttribs(e, {
					href : href,
					title : "",
					target : null,
					'class' : null
				});
			}
			// Don't move caret if selection was image
			if (e.childNodes.length != 1 || e.firstChild.nodeName != 'IMG') {
				ed.focus();
				ed.selection.select(e);
				ed.selection.collapse(0);
			}
		}

		ed.execCommand("mceEndUndoLevel");

		tinyMCEPopup.close();
	}
};

tinyMCEPopup.onInit.add(LinkDialog.init, LinkDialog);