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client error: Failed to process setAttr'null' is null or not an object (TypeError)

asked 2011-12-02 08:03:03 +0800

kavitha gravatar image kavitha
39 1

Hi,

Can any one help on Tree issue?
Getting the following error === org.zkoss.zk.ui.impl.DesktopImpl service:713 [Desktop SRDT1:/main.zul] client error: Failed to process setAttr'null' is null or not an object (TypeError), when trying to click the children of the tree.

This is the code
public class ProcessTreeitemRenderer implements TreeitemRenderer {

public void render(Treeitem item, Object data) throws Exception {
DefaultTreeNode t = (DefaultTreeNode)data;

if (t.getData() instanceof StepUI){

StepUI step = (StepUI)t.getData();
item.setValue(step);

Treecell tcName= new Treecell();
tcName.setImage(step.getTaskImage());
Label l=new Label(step.getStep().getName());
l.setStyle(getStyle(step.getStep().getStatus()));

tcName.appendChild(l);
Treerow tr = null;

if(item.getTreerow()==null){
tr = new Treerow();
tr.setParent(item);
}else{
tr = item.getTreerow();
tr.getChildren().clear();
}
//Attach treecells to treerow

tcName.setParent(tr);

item.setOpen(false);
}
}

Thanks in advance.............

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3 Replies

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answered 2011-12-05 01:45:45 +0800

matthewgo gravatar image matthewgo
375

updated 2011-12-05 01:45:59 +0800

HI
Can you provide the sample to reproduce this issue?
And are you using 5.0.9?

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answered 2011-12-05 02:41:46 +0800

kavitha gravatar image kavitha
39 1

updated 2011-12-05 04:05:56 +0800

Hi,
Thank you for the response............
Yes, am using zk 5.0.9.

This is the main.zul file
<?xml version="1.0" encoding="UTF-8"?>
<?page id="main" title="Eum Application" style="height:100%"?>

<zk xmlns="http://www.zkoss.org/2005/zul"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:h="http://www.w3.org/1999/xhtml"
xmlns:a="http://www.zkoss.org/2005/zk/annotation">
<window id="application"
use="com.web.presentation.main.EumWindow" width="100%">
<vbox spacing="1px">
<include src="/common/header.zul?pageId=header"
style="background:#455F55;" />
<tabbox id="tabbox" orient="vertical" height="560px"
width="990px" style="background:#D0EAE9">

<tabs width="30px" height="100%">
<tab id="inboxTab" image="/img/My_Inbox_15.gif"
forward="onSelect=onNotify" tooltiptext="Inbox" />
<tab id="userTab" image="/img/User_Manager_15.gif"
visible="${spaceOwner.role.directoryManager}"
forward="onSelect=onNotify" tooltiptext="Directory View" />
<tab id="processTab"
image="/img/Process_Manager_15.gif"
visible="${spaceOwner.role.processManager}"
forward="onSelect=onNotify" tooltiptext="Process View" />
<tab id="configTab"
image="/img/EUM_Admin_15.gif"
visible="${spaceOwner.role.administrator}"
forward="onSelect=onNotify" tooltiptext="Administration View" />

<tab id="ERTTab"
image="/img/reporting Tab.gif"
forward="onSelect=onNotify" tooltiptext="ERT View" />
<tab id="adminTab" image="/img/EUM_Admin_15.gif"
visible="false" tooltiptext="System View" />
</tabs>
<tabpanels>
<tabpanel>
<include src="/inbox/inbox.zul?pageId=inbox" />
</tabpanel>
<tabpanel fulfill="userTab.onSelect"
visible="${spaceOwner.role.directoryManager}">
<include
src="/user/userManager.zul?pageId=users" />
</tabpanel>
<tabpanel fulfill="processTab.onSelect"
visible="${spaceOwner.role.administrator}">
<include
src="/process/processManager.zul?pageId=processManager"
manager="true" />
</tabpanel>
<tabpanel fulfill="configTab.onSelect"
visible="${spaceOwner.role.administrator}">
<include src="/config/config.zul" />
</tabpanel>
<tabpanel fulfill="ERTTab.onSelect"
visible="${spaceOwner.role.administrator}">
<include src="/ert/ertmain.zul?pageId=ertOverview" />
</tabpanel>
<tabpanel fulfill="adminTab.onSelect"
visible="${spaceOwner.role.administrator}">
<include src="/sysadmin/sysadmin.zul?" />
</tabpanel>

</tabpanels>
</tabbox>

</vbox>
</window>
</zk>


This is processdetailpopup.zul, called from main.zul->processManager.zul

<?xml version="1.0" encoding="UTF-8"?>
<?page title="Process Admin" style="height:100%"?>
<zk xmlns="http://www.zkoss.org/2005/zul"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:h="http://www.w3.org/1999/xhtml"
xmlns:a="http://www.zkoss.org/2005/zk/annotation"
xsi:schemaLocation="http://www.zkoss.org/2005/zul/zul.xsd ">
<window id="processdetailpopup"
width="410px"
border="normal"
closable="true"
title="Process Details"
use="com.web.presentation.process.ProcessDetailsPopup"
xmlns:w="http://www.zkoss.org/2005/zk/client" >

<vbox spacing="2px">
<tree
id="tree"
sclass="dottree"
model="@{requestsUI}"
pageSize="10" height="200px"
itemRenderer="@{processdetailpopup.renderer}"
forward="onSelect=processdetailpopup.onNotify">
<treecols>
<treecol label="Process"></treecol>
</treecols>
</tree>
<vbox>
<include id="processDetailInc"
src="/process/processDetails.zul?pageId=ProcessDetails"
w:onShow="jq(this).show().fadeIn();"
w:onHide="jq(this).hide().fadeOut();"
w:onClick="this.setValue('clicked');"
visible="false" ></include>

<include id="taskDetailInc"
src="/process/taskDetails.zul?pageId=TaskDetails"
w:onShow="jq(this).show().fadeIn();"
w:onHide="jq(this).hide().fadeOut();"
w:onClick="this.setValue('clicked');"
visible="false" ></include>
</vbox>
</vbox>
</window>
</zk>

and previous code is for implementation.


Thanks in advance......

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answered 2011-12-06 03:37:00 +0800

kavitha gravatar image kavitha
39 1

updated 2011-12-06 03:50:06 +0800

Got the solution, now the problem is fixed...............
By replacing visible="false" with processdetailpopup.visible="false" in processdetailpopup.zul, it worked....

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Asked: 2011-12-02 08:03:03 +0800

Seen: 728 times

Last updated: Dec 06 '11

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