passing parameter using hashmap, I'm really confused

answered 2010-02-11 06:52:25 +0800

JoH
105 ● 2 ● 3

Hi, first thanx for the reply.

In principle one could write all of them in class right?
so these are the methods in my class FrontWindow,
Sorry I meant before image.zul not test.zul

It should show me the String energy right if double click my listitem, but somehow it's still empty. Or what did you mean by adapting window ID

code:

public class FrontWindow extends Window {
protected Map<String, Object> args;

@SuppressWarnings("unchecked")

public Map<String, Object> getCreationArgsMap(Event event) {
CreateEvent ce = (CreateEvent) ((ForwardEvent) event).getOrigin();
return ce.getArg();
}

public void onCreate$imageDialogWindow(Event event) throws Exception {

Map<String, Object> args = getCreationArgsMap(event);

if (args.containsKey("energy")) {
String energy = (String) args.get("energy");
System.out.println(energy);
} else {
//
}
}

public void onDoubleClick(Event event) throws Exception {

Listbox lb = (Listbox)this.getFellow("items");
Listitem item = lb.getSelectedItem();
String energy = ((de.qcdb.lmu.domain.Item)item.getValue()).getEnergy();

HashMap<String, Object> map = new HashMap<String, Object>();

map.put("energy", energy);

Window imWnd = (Window)Executions.createComponents("image.zul", null, map);
imWnd.doModal();
}
}

image.zul:
<zk xmlns="http://www.zkoss.org/2005/zul" xmlns:h="http://www.w3.org/1999/xhtml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.zkoss.org/2005/zul http://www.zkoss.org/2005/zul/zul.xsd">
<window id="imWnd" title="Image" border="normal" use="de.qcdb.lmu.window.FrontWindow" closable="true">

</window>
</zk>

answered 2010-02-11 08:38:53 +0800

JoH
105 ● 2 ● 3

Hi terry,

What I want to do is so simple:
1. I have a listitem from my database. Yesterday I succeed to add doubleclick event and open a new window named image.zul. I want to transfer the value (energy) from my listitem to that window, which contains a textbox. The value that I passed should appear there in the textbox.
2. So I read your code, and you're using hash map. Truly I don't have experience in these things, since I'm not real java programmer, but fortran. So even the more deeper I read your code, the more confused I'm.

so again the code:

@SuppressWarnings("unchecked")
	public Map<String, Object> getCreationArgsMap(Event event) {
		CreateEvent ce = (CreateEvent) ((ForwardEvent) event).getOrigin();
		return ce.getArg();
		}

	public void onCreate$imWnd(Event event) throws Exception {

	
		// get the params map that are overhanded by creation.
		Map<String, Object> args = getCreationArgsMap(event);

		if (args.containsKey("energy")) {
			String energy  = (String) args.get("energy");
			System.out.println(energy);
		} else {
	//
		}
	} 

	
	public void onDoubleClick(Event event) throws Exception {
		

		Listbox lb = (Listbox)getFellow("items");
		Listitem item = lb.getSelectedItem();
		String energy = ((de.qcdb.lmu.domain.Item)item.getValue()).getEnergy();
		//Textbox tb_e = (Textbox)Path.getComponent("/imWnd/tb_energy");
		//tb_e.setValue(energy);
		HashMap<String, Object> map = new HashMap<String, Object>();
		

		
		map.put("energy", energy);
        	
		

		Window imWnd = (Window)Executions.createComponents("image.zul", null, map);
		imWnd.doModal();
	}

and my image.zul

<zk xmlns="http://www.zkoss.org/2005/zul" xmlns:h="http://www.w3.org/1999/xhtml"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.zkoss.org/2005/zul http://www.zkoss.org/2005/zul/zul.xsd">
<window id="imWnd" title="Image" border="normal" use="de.qcdb.lmu.window.FrontWindow"  closable="true">
<!--<image src="/images/info.png" />--> 
<textbox id="tb_energy" width="99%" />
</window>
</zk>

answered 2010-02-11 10:13:55 +0800

JoH
105 ● 2 ● 3

This is my logger

16:59:40,033 INFO FrontWindow:546 - --> [MouseEvent onDoubleClick <FrontWindow guestWnd>]
HF=-630.434123

it seems that the System.out.println(energy) works. But as the image.zul shows up. The number doesn't show up in the textbox

answered 2010-02-11 13:56:10 +0800

JoH
105 ● 2 ● 3

I took your code from
http://www.zkoss.org/forum/listComment/6827
So you have BranchDialogCtrl which extends your BaseCtrl.
In your BaseCtrl you did autowire the variables using afterCompose.
In the BranchDialogCtrl you defined the components that have been autowired.
What does doOnCreateCommon do? You wrote it autowired the variables. So, is this also necessary for the doubleclick event you wrote in BranchListCtrl?

public class BranchDialogCtrl extends BaseCtrl {
// Components from the zul-file that are autowired
	private Window branchDialogWindow; // the window 'id' from the zul-file
	private Textbox braNr; // autowire
	private Textbox braBezeichnung; // autowire

        private Listbox lbBranch; // overhanded per param
	private Branche branche; // overhanded per param
	private BranchListCtrl branchCtrl; // overhanded per param
	private BrancheService brancheService;

public void onCreate$branchDialogWindow(Event event) throws Exception {

		if (logger.isInfoEnabled()) {
			logger.info("--> " + event.toString());
		}

		doOnCreateCommon(branchDialogWindow, event); // autowire the vars

		if (args.containsKey("branche")) {
			branche = (Branche) args.get("branche");
			setBranche(branche);
		} else {
			setBranche(null);
		}

		// we get the listBox Object for the branch list. So we have access
		// to it and can synchronize the shown data when we do insert, edit or
		// delete branches here.
		if (args.containsKey("lbBranch")) {
			lbBranch = (Listbox) args.get("lbBranch");
		} else {
			lbBranch = null;
		}

		if (args.containsKey("branchCtrl")) {
			branchCtrl = (BranchListCtrl) args.get("branchCtrl");
		} else {
			branchCtrl = null;
		}

		showBranchDialog(getBranche());

	}

answered 2010-02-12 05:16:18 +0800

JoH
105 ● 2 ● 3

thanx it works now