//myvocab1=-123-45-6789-x-123-
var mvto;
var subm_no_activated=false;
var req = false; //ajax request object
var edit_form_is_open=false;

function update_hidden_list() {
	var hidden_list_str="";
	sose = document.forms.sortform.sortsel;
	for (var i=0; i<sose.options.length; i++) {
		hidden_list_str+=sose.options[i].value+"-";
	}
	if (hidden_list_str!="") document.forms.sortform.entry_list.value="-"+hidden_list_str;
	else document.forms.sortform.entry_list.value="EMPTY";
	return true;
}

function copyform_onsubmit() {
	//get entries
	var hidden_list_str="";
	if(document.copyform.entries.options[document.copyform.entries.selectedIndex].value=="list") {
		sose = document.forms.sortform.sortsel;
		for (var i=0; i<sose.options.length; i++) {
			if (sose.options[i].selected) hidden_list_str+=sose.options[i].value+"-";
		}
		if (hidden_list_str!="") document.forms.copyform.entry_list.value="-"+hidden_list_str;
	}
	else {
		update_hidden_list();
		document.copyform.entry_list.value = document.sortform.entry_list.value;
	}
	//check for errors
	if (document.copyform.entry_list.value=="" || document.copyform.entry_list.value=="-x-") {
		alert("No entries selected!");
		return false;
	}
	if (document.copyform.target_list_id.options[document.copyform.target_list_id.selectedIndex].value == 'newlist' && document.copyform.listname.value.length<3) {
		alert("Name of new list must contain at least 3 characters!");
		document.copyform.listname.focus();
		return false;
	}
	return true;
}

function mvup(mode) {
	if (mode==1) clearTimeout(mvto);
	else mvto = setTimeout("mvup(2)", 15);
	
	var tmp_val="";
	var tmp_txt="";
	sose = document.forms.sortform.sortsel;
	if (sose.selectedIndex==-1 || sose.options[0].selected) {
		clearTimeout(mvto);
		if (sose.selectedIndex==-1) alert("Please select one or more entries!");
		return;
	}
	for (var i=1; i<sose.options.length; i++) {
		if (sose.options[i].selected) {
			tmp_val = sose.options[i-1].value;
			tmp_txt = sose.options[i-1].text;
			sose.options[i-1].value = sose.options[i].value;
			sose.options[i-1].text = sose.options[i].text;
			sose.options[i].value = tmp_val;
			sose.options[i].text = tmp_txt;
			sose.options[i].selected=false;
			sose.options[i-1].selected=true;
			if (navigator.userAgent.indexOf('Firefox')!=-1) sose.options[i-1].scrollIntoView(false);
		}
	}
	update_hidden_list();
}

function mvdown(mode) {
	if (mode==1) clearTimeout(mvto);
	else mvto = setTimeout("mvdown(2)", 15);
	
	var tmp_val="";
	var tmp_txt="";
	var index2scrollto=0;
	sose = document.forms.sortform.sortsel;
	if (sose.selectedIndex==-1 || sose.options[sose.options.length-1].selected) {
		clearTimeout(mvto);
		if (sose.selectedIndex==-1) alert("Please select one or more entries!");
		return;
	}
	for (var i=sose.options.length-2; i>=0; i--) {
		if (sose.options[i].selected) {
			if(index2scrollto==0) index2scrollto=i;
			tmp_val = sose.options[i+1].value;
			tmp_txt = sose.options[i+1].text;
			sose.options[i+1].value = sose.options[i].value;
			sose.options[i+1].text = sose.options[i].text;
			sose.options[i].value = tmp_val;
			sose.options[i].text = tmp_txt;
			sose.options[i].selected=false;
			sose.options[i+1].selected=true;
			if (navigator.userAgent.indexOf('Firefox')!=-1) sose.options[i+1].scrollIntoView(true);
		}
	}
	update_hidden_list();
}

function del_entries() {
	var j=0;
	var entries2delete = new Array();
	var delindex=0;
	sose = document.forms.sortform.sortsel;
	if (sose.selectedIndex==-1) { //k  || sose.options[sose.options.length-1].selected
		//k alert("Please select one or more entries! If you want to delete the whole list, first delete all entries, then choose 'Delete List' from the Overview page.");
		//k return;		
		if (confirm("Do you want to remove all entries from this list?")) {
			for (var i=sose.options.length; i>=0; i--) {
				sose.options[i] = null;
			}
			update_hidden_list();
			return true;
		}		
	}
	
	for (var i=0; i<sose.options.length; i++) {
		if (sose.options[i].selected) {
			entries2delete[entries2delete.length]=i;
			j++;
		}
	}
	for (var i=0; i<entries2delete.length; i++) {
		delindex=entries2delete[i]-i;
		sose.options[delindex] = null;
	}
	if (delindex>=sose.options.length) delindex=sose.options.length-1;
	sose.selectedIndex=delindex;
	update_hidden_list();
}

function speak_answer() {
	//k? if (speechlang=="DE" || speechlang=="EN" || speechlang=="ES" || speechlang=="FR" || speechlang=="IT") {
		if (speechlang+otherlang=="ENDE" || speechlang+otherlang=="DEEN") speak_nopop(entry_id, speechlang.toLowerCase()+"_rec_ip");
		else speak_nopop("u"+entry_id, speechlang.toLowerCase()+"_rec_ip"); //"u" makes nopop fetch text
	//k? }
	answerfield.focus();
}

function speak_question() {
	//k? if (otherlang=="DE" || otherlang=="EN" || otherlang=="ES" || otherlang=="FR" || otherlang=="IT") {
		if (speechlang+otherlang=="ENDE" || speechlang+otherlang=="DEEN") speak_nopop(entry_id, otherlang.toLowerCase()+"_rec_ip");
		else speak_nopop("u"+entry_id, otherlang.toLowerCase()+"_rec_ip");
	//k? }
	answerfield.focus();
}

function is_correct_answer() {
	var a1 = answerfield.value.toLowerCase();
	var a2 = document.tf.correct_answer.value.toLowerCase();
	if (a1==a2) return true;
	else if (a1.replace(/[ .,!]/g, "")==a2.replace(/[ .,!]/g, "")) return true;
	else return false;
}

function check_answer() {
	var last_char = answerfield.value.substr(answerfield.value.length-1,1);
	if (!subm_no_activated && last_char!=" " && is_correct_answer()) {
		answerfield.style.backgroundColor='#6f0';
		subm_yes();
	}
	else {
		if (last_char==" ") show_next_letter(true);
		if (last_char=="." && document.tf.correct_answer.value.charAt(answerfield.value.length-1)!=".") speak_answer();
		if (last_char=="+" && document.getElementById('toa')) {
			document.getElementById('toa').style.display="block";
			document.getElementById("ictoa").src=img_base_url+"/minus.gif";
		}
		if (last_char!="+" && document.getElementById('toa')) {
			document.getElementById('toa').style.display="none";
			document.getElementById("ictoa").src=img_base_url+"/plus.gif";
		}
	}
}

function subm_yes() {
	answerfield.value=document.tf.correct_answer.value;
	document.tf.ok.value='y';
	setTimeout("document.tf.submit()", 400);	
}

function subm_no_md() {
	answerfield.value=document.tf.correct_answer.value;
	answerfield.style.backgroundColor='#f63';
	document.tf.ok.value='n';	
}

function subm_no() {
	subm_no_activated=true;
	subm_no_md();
	setTimeout("document.tf.submit()", 3000); //400
	return false;
}

function show_next_letter(called_from_kbd) {
	var myan = answerfield.value;
	var coan = document.tf.correct_answer.value;
	var newanswer = "";
	if (called_from_kbd && coan.charAt(myan.length-1)==" ") return;
//	alert(coan.charAt(myan.length-1));
	
	for (var i=0; i<coan.length; i++) if (!myan.charAt(i) || myan.charAt(i).toLowerCase()!=coan.charAt(i).toLowerCase()) break;
	for (var j=0; j<=i; j++) newanswer += coan.charAt(j);
	answerfield.value = newanswer;
	if (newanswer==coan) subm_no();
	else answerfield.focus();
}

function listview_copymove(target_and_type, source_id) {
	if (!target_and_type) return;
	if (target_and_type.substr(0,3)=="mv_") {
		action="move";
		target_id=target_and_type.substr(3, target_and_type.length);
	}
	else {
		action="copy";
		target_id=target_and_type;
	}
	//k if (source_id.substr(0,9)=="templist_") source_id="0&lang1fornewlist="+source_id.substr(9,2)+"&lang2fornewlist="+source_id.substr(11,2);
	url="/?action="+action+"&entries=all&source_list_id="+source_id+"&target_list_id="+target_id;
	location.href=url;
}

function show_editfields() {
	if (document.sortform.sortsel.selectedIndex==-1) {
		alert("Please select entry to edit!");
		return false;
	}
	var lang1 = "EN";
	if (document.sortform.lang1) lang1 = document.sortform.lang1[document.sortform.lang1.selectedIndex].value;
	var lang2 = "DE"; 
	if (document.sortform.lang2) lang2 = document.sortform.lang2[document.sortform.lang2.selectedIndex].value;
	var url = "/ajax_get_data.php?id=" + document.sortform.sortsel[document.sortform.sortsel.selectedIndex].value + "&lang1=" + lang1 + "&lang2=" + lang2 + "&nocache="+Math.random();
	
	req = createRequestObject();	
	req.onreadystatechange = show_editfields_part2;
	req.open('GET', url, true);
	req.send(null);
}

function show_editfields_part2() {
	if (req.readyState == 4 && req.status == 200) {
		var rt_arr = req.responseText.split("\n");
		if (rt_arr[0]=="error") {
			alert(rt_arr[1]);
			return false;
		}
		document.sortform.add_term1.value = rt_arr[0];
		document.sortform.add_term2.value = rt_arr[1];
		show_addfields();
		edit_form_is_open=true;
	}
}

function show_alphasortfields() {
	document.getElementById("alphasort_form").style.display = "block";
	document.getElementById("main_button_row").style.display="none";
	document.getElementById("alphasortbutton1").focus();
}

function hide_alphasortfields() {
	document.getElementById("alphasort_form").style.display = "none";
	document.getElementById("main_button_row").style.display="block";
}

function show_addfields() {
	document.getElementById("add_edit_form").style.display = "block";
	document.getElementById("main_button_row").style.display="none";
	document.sortform.add_term1.focus();
}

function hide_addfields() {
	document.getElementById("add_edit_form").style.display="none";
	document.getElementById("main_button_row").style.display="block";
	document.sortform.add_term1.value="";
	document.sortform.add_term2.value="";
	edit_form_is_open=false;	
}

function replace_special_chars_for_sort(mystr) { //to be extended!
	var i=0;
	search_arr  = new Array("Á","Ä","ä","À","à","á", "æ", "Æ","É","É","é","é","Î","î","Í","í","Ñ","ñ","Ö","ö","Ó","ó", "Œ", "œ","Ü","ü","Ú","ú","ß",
	"(","[","\"","'","„","-","¡","¿");
	replace_arr = new Array("a","a","a","a","a","a","ae","ae","e","e","e","e","i","i","i","i","n","n","o","o","o","o","oe","oe","u","u","u","u","s",
	 "", "",  "", "", "", "", "", "");
	 for(i=0; i<search_arr.length; i++) mystr = mystr.replace(search_arr[i], replace_arr[i]);
	return mystr;
}

function alphasort(col,dir) {
	sose = document.forms.sortform.sortsel;
	sortarr = new Array();
	sortfutter = "";

	for(i=0; i<sose.options.length; i++)  {
		if (sose.options[i].value=="x") {
			if (dir==0) sortfutter = String.fromCharCode(999999);
			else sortfutter = String.fromCharCode(1);
		}
		else if (col==0) sortfutter = sose.options[i].text;
		else if (col==1) sortfutter = sose.options[i].text.replace(/&gt;/g, ">").replace(/&lt;/g, "<").substr(41); //35 - geaendert 2014-03-13
		sortfutter = replace_special_chars_for_sort(sortfutter.toLowerCase());
		sortarr[i] = sortfutter + ";$#" + sose.options[i].text + ";$#" + sose.options[i].value;
		//if (is_paul) alert(sortarr[i]);
	}
	sortarr.sort();
	if (dir==1) sortarr.reverse();
	for(i=0; i<sose.options.length; i++)  {
		sortarrparts = sortarr[i].split(";$#");
		sose.options[i].text = sortarrparts[1];
		sose.options[i].value = sortarrparts[2];
	}
	update_hidden_list();
	hide_alphasortfields();
}

function edit_myvoc() {
	var term1 = document.sortform.add_term1.value;
	var term2 = document.sortform.add_term2.value;
	var lang1 = "EN";
	//forget it - dann halt redundant     if (document.sortform.lang1) document.sortform.lang1[document.sortform.lang1.selectedIndex].value;
	var lang2 = "DE"; 
	//forget it - dann halt redundant     if (document.sortform.lang2) document.sortform.lang2[document.sortform.lang2.selectedIndex].value;
	if (!term1 || !term2) {
		if (term1) document.sortform.add_term2.focus();
		else if (term2) document.sortform.add_term1.focus();
		else alert("Please fill in both fields!"); 
		return false; 
	}
	
	var url = "/ajax_add_data.php?lang1="+lang1+"&lang2="+lang2+"&t1=" + encodeURIComponent(term1)+"&t2="+encodeURIComponent(term2)+"&nocache="+Math.random();
	
	req = createRequestObject();	
	req.onreadystatechange = edit_myvoc_part2;
	req.open('GET', url, true);
	req.send(null);
}

function edit_myvoc_part2() {
	if (req.readyState == 4) {
		if (req.status != 200) {
			alert('Error '+req.status+' in mydict.js / edit_myvoc_part2');
			return false;
		}
		var rt_arr = req.responseText.split("\n");
		if (rt_arr[0]=="error") {
			alert(rt_arr[1]);
			return false;
		}
		//edit
		if (edit_form_is_open && document.sortform.sortsel.selectedIndex!=-1) {
			document.sortform.sortsel[document.sortform.sortsel.selectedIndex].value=rt_arr[0];
			document.sortform.sortsel[document.sortform.sortsel.selectedIndex].text=rt_arr[1].replace(/\\/g, "");
			hide_addfields();
			document.sortform.sortsel.focus();
		}
		//add
		else {			
			var newopt = new Option(decodeURIComponent(rt_arr[1].replace(/\\/g, "")), decodeURIComponent(rt_arr[0]), false, true);
			addpos = document.sortform.sortsel.selectedIndex;
			if (addpos==-1) addpos=0;
			try { document.sortform.sortsel.add(newopt, document.sortform.sortsel.options[addpos]); }
			catch(e) { document.sortform.sortsel.add(newopt, addpos); }
			document.sortform.add_term1.value="";
			document.sortform.add_term2.value="";
			document.sortform.add_term1.focus();
		}		
		update_hidden_list();
	}
}

function mydict_keypress(ck, is_ctrl) {
//d	alert(ck);
	if (!inputhasfocus) {
		if (ck==13) if(confirm("Do you want to save?")) { //enter
			update_hidden_list(); 
			document.sortform.submit();
		}
		if (ck==47) mvup(1);  ///
		if (ck==42) mvdown(1);//*
		if (ck==32) show_editfields(); //<space>
		if (ck==45) del_entries();     //-
		if (ck==43) show_addfields(); //+
		return false;
	}	
}