/* - widget_addremove.js - */
// http://www.clps-bw.be/portal_javascripts/widget_addremove.js?original=1
function addremove_addNewItem(field){var inputBox=document.getElementById(field+"_new");var targetList=document.getElementById(field+"_selected");if(_addremove_addToList(targetList,inputBox.value,inputBox.value)){_addremove_updateSubmitField(field);inputBox.value="";return true} else{return false}}
function addremove_addItem(field){var sourceList=document.getElementById(field+"_unselected");var targetList=document.getElementById(field+"_selected");var idx=sourceList.selectedIndex;if(_addremove_moveItem(sourceList,idx,targetList)){_addremove_updateSubmitField(field);return true} else{return false}}
function addremove_removeItem(field){var sourceList=document.getElementById(field+"_selected");var targetList=document.getElementById(field+"_unselected");var idx=sourceList.selectedIndex;if(_addremove_moveItem(sourceList,idx,targetList)){_addremove_updateSubmitField(field);return true} else{return false}}
function _addremove_moveItem(sourceList,idx,targetList){var success=false;if(idx>=0){success=_addremove_addToList(targetList,sourceList[idx].text,sourceList[idx].value)
if(success)
sourceList[idx]=null} else{alert(string_addremove_moveItem)}
return success}
function _addremove_addToList(targetList,newText,newValue){for(var i=0;i<targetList.length;++i){if(targetList[i].text==_trimString(newText)||targetList[i].value==_trimString(newValue))
return false}
newIdx=targetList.length;targetList[newIdx]=new Option(_trimString(newText));targetList[newIdx].value=_trimString(newValue);_addremove_sortListBox(targetList);return true}
function _addremove_updateSubmitField(field){var submitContainer=document.getElementById(field+"_container");var selectedList=document.getElementById(field+"_selected");while(submitContainer.hasChildNodes()){var node=submitContainer.childNodes[0];var removed=submitContainer.removeChild(node)}
for(var i=0;i<selectedList.length;++i){var value=selectedList[i].value;var node=document.createElement('input');node.type="hidden";node.name=field+":list";node.value=value;submitContainer.appendChild(node)}}
function _addremove_sortListBox(list){options=Array();if(list.options==null)
return;for(var i=0;i<list.options.length;++i){options[options.length]=new Option(list.options[i].text,list.options[i].value,list.options[i].defaultSelected,list.options[i].selected)}
if(options.length==0)
return;options=options.sort(
function(a,b){if((a.text+"")<(b.text+"")) return-1;if((a.text+"")>(b.text+"")) return 1;return 0});for(var i=0;i<options.length;++i){list.options[i]=new Option(options[i].text,options[i].value,options[i].defaultSelected,options[i].selected)}}
function _printTree(node,str){str+=node.nodeName+' -> '+node.nodeValue+'\n'
if(node.hasChildNodes()){for(var i=0;i<node.childNodes;++i)
str+=_printTree(node.childNodes[i],str)}
return str}
function _trimString(str){var ret=str.replace(/^\s+/,"");ret=ret.replace(/\s+$/,"");ret=ret.replace(/\s+/g," ");return ret}