Dual List in JavaScript : Dual List « GUI Components « JavaScript DHTML

Dual List in JavaScript

<html>
<head>
<title>DynAPI Examples - HTML Listbox</title>
<script language="JavaScript" src="./dynapisrc/dynapi.js"></script>
<script language="Javascript">
dynapi.library.setPath('./dynapisrc/');
dynapi.library.include('dynapi.api');
dynapi.library.include('TemplateManager');
dynapi.library.include('HTMLListbox');
dynapi.library.include('HTMLButton');
</script>
<script language="Javascript">

var o={
  mng:'Mangos',
  car:'Carrots',
  plu:'Plums',
  apl:'Apples',
  prs:'Pears',
  org:'Oranges',
  grp:'Grapes',
  pep:'Pepper'
};

var t = 'This is the Template:<center><form><table border="0" width="250"><tr><td colspan="3">Select fruits or vegetables:</td></tr><tr><td align="center">{@lst1}</td><td align="center"  >{@btn1}<br>{@btn2}</td><td align="right">{@lst2}&nbsp;</td></tr><tr><td align="right" colspan="3">{@btn3}&nbsp;</td></tr></table></form></center>';
var tp = new Template(t,100,100,300,200,'#EEEEEE');
tp.addChild(new HTMLListbox(null,o),'lst1');
tp.lst1.setMultiSelect(true);
tp.lst1.addEventListener({
  onchange:function(e){
    var o=e.getSource();
    status = o.getSelected();
  }
});

tp.addChild(new HTMLListbox(null),'lst2');
tp.lst2.addItem('Melons','mel');

tp.addChild(new HTMLButton(null,' > '),'btn1');
tp.addChild(new HTMLButton(null,' < '),'btn2'); //'
tp.addChild(new HTMLButton(null,'Sort List'),'btn3');

tp.btn1.lstSrc = tp.lst1;
tp.btn1.lstTar = tp.lst2;
tp.btn2.lstSrc = tp.lst2;
tp.btn2.lstTar = tp.lst1;

var evt = {
  onclick:function(e){
    var itm,o=e.getSource();
    var v=o.lstSrc.getSelected();
    if(v) {
      if(typeof(v)=='string') v=[v];
      for(var i=0;i<v.length;i++){
        itm = o.lstSrc.getItem(v[i]);
        if(itm) o.lstTar.addItem(itm.text,itm.value);
        o.lstSrc.removeItem(v[i]);
      }
    }
  }
}

tp.btn1.addEventListener(evt);
tp.btn2.addEventListener(evt);
tp.btn3.onclick=function(e){
  tp.lst2.sortBy('text',false);
};

dynapi.document.addChild(tp);

</script>
</head>
<body>
<script>
  dynapi.document.insertAllChildren();
</script>
</body>
</html>
dynapi.zip( 791 k)
Dual List in JavaScript : Dual List « GUI Components « JavaScript DHTML

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