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  1. #1
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    Default [2.x]Ext.ux.TreeCheckNodeUI

    [2.x]Ext.ux.TreeCheckNodeUI


    Hi all :

    the Ext.ux.TreeCheckNodeUI extends Ext.tree.TreeNodeUI class

    Some extends features available:
    • single check model (allow only one treeNode checked)
      usage: checkModel: "single"
    • cascade check model (suport asyn's node loads situation)
      usage1: checkModel: "cascade" (check/uncheck childrenNodes and parentNodes)
      usage2: checkModel: "parentCascade" (check/uncheck parentNodes)
      usage3: checkModel: "childCascade" (check/uncheck childrenNodes)
    • only leaf node can check model
      only when the node's attribute leaf is true,then the node has checkbox
      usage: onlyLeafCheckable: true , default is false,all nodes have checkbox

    checkModel default is 'multiple' , then all node with checkbox can checked

    Supported events:
    • check (when the node's checkbox value change, will fire this event)

    usage:
    just add attribute baseAttrs: { uiProvider: Ext.ux.TreeCheckNodeUI } to loader

    for example:
    HTML Code:
          var tree = new Ext.tree.TreePanel({
    		el:'tree-ct',
    		width:568,
    		height:300,
    		checkModel: 'cascade',   // cascade check
    		onlyLeafCheckable: false,// all node have checkbox
    		animate: false,
    		rootVisible: false,
    		autoScroll:true,
                    loader: new Tree.TreeLoader({
                            dataUrl:'get-nodes.php',
    			baseAttrs: { uiProvider: Ext.ux.TreeCheckNodeUI } //add uiProvider attribute
                    }),
    		root: new Ext.tree.AsyncTreeNode({ id:'0' })
    	});
    	tree.on("check",function(node,checked){
                  alert(node.text+" = "+checked);
            }); 
    	tree.render();
    Attached Files

  2. #2
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    Default


    here is the demo code and a picture

    when I checked the "node1_0_0" , then it will auto checked it's parentNodes("folder1","node1_0","node1_0_0"),and load it's childrenNodes("node1_0_0_0"..."node1_0_0_0_5") and checked them

    HTML Code:
    <%@ page language="java" contentType="text/html; charset=GB2312"
        pageEncoding="GB2312"%>
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <title>Customizing TreePanel</title>
    
    	<link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/css/ext-all.css" />
     	
     	<script src="<%=request.getContextPath() %>/js/ext/ext-base.js"></script>
     	<script src="<%=request.getContextPath() %>/js/ext/ext-all.js"></script>
    
        <script type="text/javascript" src="TreeCheckNodeUI.js"></script>
    
    	<script>
    		var imagePath = '../../../images';
    		Ext.BLANK_IMAGE_URL = imagePath+'/default/s.gif';
    		//Ext.QuickTips.init();
    		Ext.onReady(function(){
    		    var tree = new Ext.tree.TreePanel({
    		        el:'tree-ct',
    		        width:568,
    		        height:300,
    		        checkModel: 'cascade',
    		        onlyLeafCheckable: false,
    		        animate: false,
    		        rootVisible: false,
    		        autoScroll:true,
                            loader: new Tree.TreeLoader({
                                  dataUrl:'get-nodes.jsp',
                                  baseAttrs: { uiProvider: Ext.ux.TreeCheckNodeUI }
    		        }),
    		        root: new Ext.tree.AsyncTreeNode({ id:'0' })
    		    });
    		    tree.render();
    		    tree.getEl().center();
    		});
    	</script>
    </head>
    <body>
    
    <div id="tree-ct">
    
    </body>
    </html>
    Attached Images

  3. #3
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    Question Code Get_nodes.jsp

    Code Get_nodes.jsp


    Hello,

    I try to implement a TreeCheckNodeUI and I try to find an example of the target JSP script mentionned in the tree loader.
    Could you please give me your Get_nodes.jsp script for example?

    Thanks in advance.

  4. #4
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    Default


    The UX is very nice!
    Thank you very much for sharing!

    @vir2008:
    The example is a bit broken.
    The UX is called Ext.tree.TreePanel and not Ext.ux.TreeCheckNodeUI

    Try something like:
    Code:
                loader: new Ext.tree.TreeLoader({
                    dataUrl:'get-nodes.php',
                    baseAttrs: { uiProvider: Ext.tree.TreeCheckNodeUI } //add uiProvider attribute
                }),

  5. #5
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    Red face Javascript error : refused access in TreeLoader

    Javascript error : refused access in TreeLoader


    Thanks for your response.

    I'm using your code and when I try to display the checkbox tree, I have a javascript error : "refused access line 10" .

    I think it is linked to my TreeLoader but I don't understand why. Could you help me please? (I'm using ext-2.0.2 release)

    My HTML code :

    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <title>Customizing TreePanel</title>

    <link rel="stylesheet" type="text/css" href="../ext/resources/css/ext-all.css" />

    <script type="text/javascript" src="../ext/adapter/yui/yui-utilities.js"></script>
    <script type="text/javascript" src="../ext/adapter/yui/ext-yui-adapter.js"></script>
    <script type="text/javascript" src="../ext/adapter/ext/ext-base.js"></script>
    <script type="text/javascript" src="../ext/ext-all.js"></script>

    <script type="text/javascript" src="js/TreeCheckNodeUI.js"></script>
    <script>
    Ext.BLANK_IMAGE_URL = '../ext/resources/images/default/s.gif';

    Ext.onReady(function(){
    var tree = new Ext.tree.TreePanel({
    el:'tree-ct',
    width:568,
    height:300,
    animate: true,
    rootVisible: false,
    autoScroll:true,
    loader: new Ext.tree.TreeLoader({
    dataUrl:'jsp/GetData.jsp',
    baseAttrs: { uiProvider: Ext.tree.TreeCheckNodeUI }
    })
    });

    var root = new Ext.tree.AsyncTreeNode({
    text: 'Ext JS',
    id:'source',
    type: 'root'
    });
    tree.setRootNode(root);

    tree.render();
    root.expand();
    });
    </script>
    </head>
    <body>

    <div id="tree-ct">
    </body>
    </html>


    My JSP code :

    <%= [{ text:'.Net Books',expanded:false,'checked':false,
    children:[ {text:'ASP', leaf:true,checked:false}, {text:'C#', leaf:true,checked:false} ]},
    {text:'Java Books',expanded:false,'checked':false,
    children:[{text:'Advanced Technologies',leaf:false,checked:false,
    children:[ {text:'JSP',leaf:true,checked:false},
    {text:'JDBC',leaf:true,checked:false},
    {text:'Sevlets',leaf:true,checked:false} ]},
    {text:'EJB',leaf:false,checked:false,
    children:[ {text:'SessionBean',leaf:false,checked:false, children:[ {text:'Stateful',leaf:true},{text:'Stateless',leaf :true} ]},
    {text:'EntityBean',leaf:false,checked:false,childr en:[{text:'CMP', leaf:true},{text:'BMP', leaf:true}]},
    {text:'MessageDrivenBean',leaf:true,checked:false }
    ]}
    ]}] %>

  6. #6
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    Default


    check your code.... shouldnt it be -
    Ext.ux.TreeCheckNodeUI
    instead of
    Ext.tree.TreeCheckNodeUI

  7. #7
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    Quote Originally Posted by rkldude View Post
    check your code.... shouldnt it be -
    Ext.ux.TreeCheckNodeUI
    instead of
    Ext.tree.TreeCheckNodeUI
    thanks for rkldude
    It's my fault,the uiProvider should be Ext.tree.TreeCheckNodeUI

  8. #8
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    Quote Originally Posted by vir2008 View Post
    Hello,

    I try to implement a TreeCheckNodeUI and I try to find an example of the target JSP script mentionned in the tree loader.
    Could you please give me your Get_nodes.jsp script for example?

    Thanks in advance.
    my getNodes.jsp code is like this:
    HTML Code:
    <%@ page language="java" contentType="text/html; charset=GB2312" %>
    <%
    	String id = request.getParameter("node");
    	String listNode = "[";
    	
    	if(id.length()<5){
    		for(int i=1;i<6;i++){
    			listNode += "{id:'"+i+"_"+id+"',text:'folder"+i+"_"+id+"'},";
    		}
    		listNode = listNode.substring(0,listNode.length()-1) + "]";
    		out.print(listNode);
    	}else{
    		for(int i=1;i<6;i++){
    			listNode += "{id:'"+i+"_"+id+"',text:'node"+i+"_"+id+"',leaf:true},";
    		}
    		listNode = listNode.substring(0,listNode.length()-1) + "]";;
    		out.print(listNode);
    	}
    %>

  9. #9
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    Post


    Thanks a lot for your answer. It works fine with this JSP script.

    Moreover, I changed the calling of my jsp page in my html script to resolve the problem "refused access".

    dataUrl:'http://server:8080/APPLICATION/jsp/GetData.jsp'

    instead of

    dataUrl:'jsp/GetData.jsp'

  10. #10
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    Default Very cool...

    Very cool...


    Nice nice tool! It works perfectly, and has a lot of options.
    Thank you very much!

    Definitely great!!

    I wonder if it could be extended with some extra info...
    Make it happen...