Inline Editing of TreeView Node Labels : Tree TreeView « YUI Library « JavaScript DHTML






Inline Editing of TreeView Node Labels

 


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>


    <meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Inline Editing of TreeView Node Labels</title>

<style type="text/css">
/*margin and padding on body element
  can introduce errors in determining
  element position and are not recommended;
  we turn them off as a foundation for YUI
  CSS treatments. */
body {
  margin:0;
  padding:0;
}
</style>

<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/calendar/assets/skins/sam/calendar.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/treeview/assets/skins/sam/treeview.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/calendar/calendar-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/treeview/treeview-min.js"></script>


<!--begin custom header content for this example-->

<!--end custom header content for this example-->

</head>

<body class=" yui-skin-sam">


<h1>Inline Editing of TreeView Node Labels</h1>

<div class="exampleIntro">
  <p>This example demonstrates label editing and keyboard navigation in the <a href="http://developer.yahoo.com/yui/treeview/">YUI TreeView Control</a>.  As you interact with the TreeView instance below, you'll find that some nodes allow you to edit them &mdash; double-click on node labels to open the inline editor.  This example also demonstrates how you can use arrow keys, +/- keys (expand/collapse), and the enter key to navigate and control the TreeView instance.</p>
      
</div>

<!--BEGIN SOURCE CODE FOR EXAMPLE  -->

<div id="treeView" style="background-color:white"></div>
<div id="msg">&nbsp;</div>
<script type="text/javascript">

//global variable to allow console inspection of tree:
var tree;

//anonymous function wraps the remainder of the logic:
(function() {
  var treeInit = function() {
    tree = new YAHOO.widget.TreeView("treeView", [
      'Label 0',
      {type:'Text', label:'Label 1', editable:true},
      {type:'Text', label:'Branch 2', editable:true, expanded:true, children:[
        {type:'Text', label:'Branch 2-0', editable:true, children: [
          'Label 2-0-0',
          'Label 2-0-1'
        ]},
        
        {type:'Text', label:'Branch 2-1', editable:true, children: [
          'Label 2-1-0',
          'Label 2-1-1'
        ]},
      ]},
      {type:'Text',label:'YAHOO', href:'http://www.yahoo.com', target:'YAHOO\'s home page'},
      {type:'DateNode',label:'31.3.2001',editable:true, calendarConfig: {
        DATE_FIELD_DELIMITER:".",
        MDY_DAY_POSITION:1,
        MDY_MONTH_POSITION:2,
        MDY_YEAR_POSITION:3
      }},
      {type:'text',label:'Branch 3', editable:true, expanded:false, children:[
        'Label 3-0',
        'Label 3-1'
      ]}
    ]);
    tree.render();

    tree.subscribe('dblClickEvent',tree.onEventEditNode);
    
    tree.root.children[1].focus();
    
    tree.subscribe('enterKeyPressed',function(node) {
      YAHOO.util.Dom.get('msg').innerHTML = 'Enter key pressed on node: ' + node.label;
    });
    tree.subscribe('clickEvent',function(oArgs) {
      YAHOO.util.Dom.get('msg').innerHTML = 'Click on node: ' + oArgs.node.label;
    });
    tree.subscribe('dblClickEvent',function(oArgs) {
      YAHOO.util.Dom.get('msg').innerHTML = 'Double click on node: ' + oArgs.node.label;
    });
    
      
  };

  //Add an onDOMReady handler to build the tree when the document is ready
    YAHOO.util.Event.onDOMReady(treeInit);

})();

</script>
<!--END SOURCE CODE FOR EXAMPLE  -->

</body>
</html>
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yui_2.7.0b.zip( 4,431 k)

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