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/*
* Copyright (C) 2005 - 2011 Alexander Schier, Martin Thelian, Stefan Förster,
* Florian Richter, Michael Peter Christen
*
* This file is part of YaCy.
*
* YaCy is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* YaCy is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with YaCy. If not, see <http://www.gnu.org/licenses/>.
*/
var AJAX_OFF="/env/grafics/empty.gif";
var AJAX_ON="/env/grafics/ajax.gif";
function handleResponse(){
if(http.readyState == 4){
var response = http.responseXML;
title=response.getElementsByTagName("title")[0].firstChild.nodeValue;
tags_field=document.getElementById("tags");
document.getElementById("title").value=title;
tags=response.getElementsByTagName("tag");
for(i=0;i<tags.length-1;i++){
tags_field.value+=tags[i].getAttribute("name")+",";
}
tags_field.value+=tags[tags.length-1].getAttribute("name");
// remove the ajax image
document.getElementsByName("ajax")[0].setAttribute("src", AJAX_OFF);
}
}
function loadTitle(){
// displaying ajax image
document.getElementsByName("ajax")[0].setAttribute("src",AJAX_ON);
url=document.getElementsByName("url")[0].value;
if(document.getElementsByName("title")[0].value==""){
sndReq('/api/getpageinfo_p.xml?actions=title&url='+url);
}
}
/* Menüs mit aufklappbare Baumstruktur
* Autor: Daniel Thoma
* URL: http://aktuell.de.selfhtml.org/artikel/dhtml/treemenu/
* eMail: dthoma@gmx.net
*/
/*
* Fügt den Listeneinträgen Eventhandler und CSS Klassen hinzu,
* um die Menüpunkte am Anfang zu schließen.
*
* menu: Referenz auf die Liste.
* data: String, der die Nummern aufgeklappter Menüpunkte enthält.
*/
function treeMenu_init(menu, data) {
var array = new Array(0);
if(data != null && data != "") {
array = data.match(/\d+/g);
}
var items = menu.getElementsByTagName("li");
for(var i = 0; i < items.length; i++) {
items[i].onclick = treeMenu_handleClick;
if(!treeMenu_contains(treeMenu_getClasses(items[i]), "treeMenu_opened")
&& items[i].getElementsByTagName("ul").length
+ items[i].getElementsByTagName("ol").length > 0) {
var classes = treeMenu_getClasses(items[i]);
if(array.length > 0 && array[0] == i) {
classes.push("treeMenu_opened")
}
else {
classes.push("treeMenu_closed")
}
items[i].className = classes.join(" ");
if(array.length > 0 && array[0] == i) {
array.shift();
}
}
}
}
/*
* Ändert die Klasse eines angeclickten Listenelements, sodass
* geöffnete Menüpunkte geschlossen und geschlossene geöffnet
* werden.
*
* event: Das Event Objekt, dass der Browser übergibt.
*/
function treeMenu_handleClick(event) {
if(event == null) { //Workaround für die fehlenden DOM Eigenschaften im IE
event = window.event;
event.currentTarget = event.srcElement;
while(event.currentTarget.nodeName.toLowerCase() != "li") {
event.currentTarget = event.currentTarget.parentNode;
}
event.cancelBubble = true;
}
else {
event.stopPropagation();
}
var array = treeMenu_getClasses(event.currentTarget);
for(var i = 0; i < array.length; i++) {
if(array[i] == "treeMenu_closed") {
array[i] = "treeMenu_opened";
}
else if(array[i] == "treeMenu_opened") {
array[i] = "treeMenu_closed"
}
}
event.currentTarget.className = array.join(" ");
}
/*
* Gibt alle Klassen zurück, die einem HTML-Element zugeordnet sind.
*
* element: Das HTML-Element
* return: Die zugeordneten Klassen.
*/
function treeMenu_getClasses(element) {
if(element.className) {
return element.className.match(/[^ \t\n\r]+/g);
}
else {
return new Array(0);
}
}
/*
* Überprüft, ob ein Array ein bestimmtes Element enthält.
*
* array: Das Array
* element: Das Element
* return: true, wenn das Array das Element enthält.
*/
function treeMenu_contains(array, element) {
for(var i = 0; i < array.length; i++) {
if(array[i] == element) {
return true;
}
}
return false;
}
/*
* Gibt einen String zurück, indem die Nummern aller geöffneten
* Menüpunkte stehen.
*
* menu: Referenz auf die Liste
* return: Der String
*/
function treeMenu_store(menu) {
var result = new Array();;
var items = menu.getElementsByTagName("li");
for(var i = 0; i < items.length; i++) {
if(treeMenu_contains(treeMenu_getClasses(items[i]), "treeMenu_opened")) {
result.push(i);
}
}
return result.join(" ");
}
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