Rico Drag and Drop with Custom Drag Class : Drag Drop « Rico « JavaScript DHTML






Rico Drag and Drop with Custom Drag Class

 


<!--
Apache License, Version 2.0

Revised from Rico 2.0  demo code.
-->
<!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>Rico Custom Draggable</title>

<script src="rico21/src/rico.js" type="text/javascript"></script>
<script type='text/javascript'>
Rico.loadModule('DragAndDrop');

var CustomDraggable;
Rico.onLoad( function() {
  Rico.setDebugArea('logger');
  CustomDraggable = Class.create();
  checkQueryString();
  CustomDraggable.prototype = Object.extend(new Rico.Draggable(), CustomDraggableMethods);
  writeNameSpans();
  createDraggables();
  dndMgr.registerDropZone( new Rico.Dropzone($('dropZone')));
});

function checkQueryString() {
  var inputs=document.getElementsByTagName('input');
  var s=window.location.search;
  for (var i=0; i<inputs.length; i++) {
    if (s.indexOf(inputs[i].id+'=') >= 0) {
      CustomDraggable[inputs[i].id]=true;
      inputs[i].checked=true;
    }
    inputs[i].onclick=function() { document.forms[0].submit(); };
  }
}

var names = [ "Holloman, Debbie", "Barnes, Pat", "Dampier, Joan", "Alvarez, Randy",
              "Neil, William", "Hardoway, Kimber", "Story, Leslie", "Lott, Charlie",
              "Patton, Sabrina", "Lopez, Juan" ];

function writeNameSpans() {
  var s='';
  for ( var i = 0 ; i < names.length ; i++ )
    s+="<div id='d" + i + "'>" + names[i] + "<\/div>";
  $('nameList').innerHTML=s;
}

function createDraggables() {
   for ( var i = 0 ; i < names.length ; i++ )
      dndMgr.registerDraggable( new CustomDraggable($('d'+i), names[i]) );
}

/**
 *  Sample 'CustomDraggable' object which extends the Rico.Draggable to
 *  override the behaviors associated with a draggable object...
 **/
var CustomDraggableMethods = {

   initialize: function( htmlElement, name ) {
      this.type        = 'Custom';
      this.htmlElement = $(htmlElement);
      this.name        = name;
   },

   select: function() {
      this.selected = true;
      var el = this.htmlElement;

      // show the item selected.....
      el.style.color           = "#ffffff";
      el.style.backgroundColor = "#08246b";
   },

   deselect: function() {
      this.selected = false;
      var el = this.htmlElement;
      el.style.color           = "#2b2b2b";
      el.style.backgroundColor = "transparent";
   },

   startDrag: function() {
      Rico.writeDebugMsg("startDrag: [" + this.name +"]");
   },

   cancelDrag: function() {
      Rico.writeDebugMsg("cancelDrag: [" + this.name +"]");
   },

   endDrag: function() {
      Rico.writeDebugMsg("endDrag: [" + this.name +"]");
      if ( CustomDraggable.removeOnDrop )
         this.htmlElement.style.display = 'none';
   },

   getSingleObjectDragGUI: function() {
      var div = document.createElement("div");
      div.className = 'customDraggable';
      div.style.width = (this.htmlElement.offsetWidth - 10) + "px";
      Element.insert(div,this.name);
      return div;
   },

   getDroppedGUI: function() {
      var div = document.createElement("div");
      var n=this.name
      if (CustomDraggable.reverseNamesOnDrop) {
        var names = n.split(",");
        n=names[1].substring(1) + " " + names[0];
      }
      Element.insert(div,"[" + n + "]");
      return div;
   },

   toString: function() {
      return this.name;
   }

}
</script>

<style type="text/css">
body, p {
  font-family : Trebuchet MS, Arial, Helvetica, sans-serif;
}
h1 { font-size: 16pt; }

span.code {
  font-family : fixed;
  font-size   : 11px;
  color       : #4b4b4b;
}

.logBox {
  background-color : #ffffee;
  border           : 1px solid #8b8b8b;
  font-size        : 8pt;
}

.customDraggable {
  background-color : #E0DDB5;
  color            : #5b5b5b;
  border           : 1px solid #5b5b5b;
 /*  filter           : alpha(Opacity=70); */
  -moz-opacity     : 0.7;
  padding          : 1px 5px 1px 5px;
  font-size    : 11px;
}
.listBox {
  padding-top      : 5px;
  padding-bottom   : 5px;
  background-color : #ffffff;
  border           : 1px solid #8b8b8b;
}
.listBox * {
  margin: 0px;
  padding: 0px;
  font-size    : 11px;
  font-family  : Verdana, Arial, Helvetica;
}
.catHeader {
  font-family : Arial;
  font-weight : bold;
  font-size   : 11px;
  color       : #5b5b5b;
  margin-left : 8px;
  margin-top  : 12px;
  margin-bottom: 0px;
  display     : block;
}
.codeBox {
  padding-top      : 5px;
  padding-bottom   : 5px;
  background-color : #E0DDB5;
}
input {
  margin-left: 2em;
}
</style>
</head>


<body>

<h1 style='float:left;'>Rico Drag &amp; Drop with Custom Drag Class</h1>
<form method='get' action=''>
<p style='font-size:9pt;clear:both;'>Select drag-and-drop options:
<br>
<input type='checkbox' name='removeOnDrop' id='removeOnDrop' value='Y'> <label for='removeOnDrop'>Remove On Drop</label>
<input type='checkbox' name='reverseNamesOnDrop' id='reverseNamesOnDrop' value='Y'> <label for='reverseNamesOnDrop'>Reverse Names On Drop</label>
</p>
</form>

<p class="catHeader">the example</p>
<div id="exampleContainer" style="width:540px;background-color:#E0DDB5;padding-bottom:8px;">

<div id="dragBox" style="display:inline;margin-left:8px;margin-bottom:8px;float:left;">
   <span class="catHeader">availalble name-list</span>
   <div class="listBox" id="nameList" style="width:250px;height:140px;overflow:auto;"></div>
</div>

<div id="dropBox" style="margin-left:8px;margin-bottom:8px;float:left">
   <span class="catHeader">dropped name-list</span>
   <div class="listBox" id="dropZone" style="width:250px;height:140px;overflow:auto;">
   </div>
</div>

<div style="clear:both;margin-left:8px;">
   <span id='loghead' class="catHeader">drag-n-drop message log:</span>
   <textarea class="logBox" id="logger" rows='8' cols='60'></textarea>
</div>

</div>

<p class="catHeader">the code</p>
<div class="codeBox" style="width:540px;height:250px;overflow:auto;">
<pre><span class="code">var CustomDraggable = Class.create();

CustomDraggable.prototype = (new Rico.Draggable()).extend( {

   <b>initialize</b>: function( htmlElement, name ) {
      this.type        = 'Custom';
      this.htmlElement = $(htmlElement);
      this.name        = name;
   },

   <b>select</b>: function() {
      this.selected = true;
      var el = this.htmlElement;

      // show the item selected.....
      el.style.color           = "#ffffff";
      el.style.backgroundColor = "#08246b";
   },

   <b>deselect</b>: function() {
      this.selected = false;
      var el = this.htmlElement;
      el.style.color           = "#2b2b2b";
      el.style.backgroundColor = "transparent";
   },

   <b>startDrag</b>: function() {
      Rico.writeDebugMsg("startDrag: [" + this.name +"]");
   },

   <b>cancelDrag</b>: function() {
      Rico.writeDebugMsg("cancelDrag: [" + this.name +"]");
   },

   <b>endDrag</b>: function() {
      Rico.writeDebugMsg("endDrag: [" + this.name +"]");
   },

   <b>getSingleObjectDragGUI</b>: function() {
      var div = document.createElement("div");
      div.className = 'customDraggable';
      div.style.width = this.htmlElement.offsetWidth - 10;
      Element.insert(div,this.name);
      return div;
   },

   <b>getDroppedGUI</b>: function() {
      var div = document.createElement("div");
      var n=this.name
      if (CustomDraggable.reverseNamesOnDrop) {
        var names = n.split(",");
        n=names[1].substring(1) + " " + names[0];
      }
      Element.insert(div,"[" + n + "]");
      return div;
   }

} );</span></pre>

</div>

</body>
</html>

   
  








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2.Rico Drag-and-Drop: LiveGrids
3.Track drop-and-drop objects as they are moved by the user
4.Rico Simple Drag and Drop Example