listgrid radiobutton

[gsaxena]

1) Does SmartGWT have the ability to have a radiobutton in a listgrid? I think the answer is no, as I could only see radiobutton as a formitem.

2) Since I think "no" is answer to #1 above, I tried to fake it by creating 2 boolean/checkbox columns in a listgrid. Then, I tried to get it so that if a user selected one column, it would unselect the other (ie just like a radiobutton). I tried to do this by using both the recordclickhandler and the "onchanged" handler. Neither worked fine. Here were the problems:

<b>Attempt #1: Using recordclickhandler:</b>

Code is below. But the problem is that the recordclickhandler would only work the FIRST time I clicked on the the checkbox. For the 2nd time, it wouldn't fire the recordclickhandler UNLESS I, as the user, selected a different record first and then re-select the original record.

		lgfSkip.addRecordClickHandler(new RecordClickHandler() {
			
			@Override
			public void onRecordClick(RecordClickEvent event) {
				Record rc = event.getRecord();
				Boolean skip = rc.getAttributeAsBoolean("skip");
				String anIAFileID = rc.getAttributeAsString("anIAFileID");
				FileToCopyMove fileToCopyMove = getFilesToCopyMove(anIAFileID);
				if (skip) {
					//rc.setAttribute("skip",false);	
					fileToCopyMove.setConflict_res_action(CONFLICT_RES_ACTION.SKIP);
					rc.setAttribute("override",true);
				} 
				else {
					//rc.setAttribute("skip",true);	
					fileToCopyMove.setConflict_res_action(CONFLICT_RES_ACTION.OVERRIDE);
					rc.setAttribute("override",false);
				}
			}
		});

<b>Attempt #2: Using On Changed Handler</b>

Code is below. This worked better than attemp #1 above, in that I could select/deselect a row as many times as I wanted *without* having to select another row first. However, if this was my 2nd click on a checkbox, it would NOT reflect the change that I made to other attributes of the row *until* I selected something else (eg a label in the window etc.). So my question here is there a "right" way to force the row to "refresh" and reflect the changes made to the record if this is the 2nd click of the checkbox?

In general, I think there is something subtle about the "clicking of a checkbox" that causes odd behaviour if you try to click on it a 2nd time in a row.

		lgfSkip.addChangedHandler(new ChangedHandler() {
			
			@Override
			public void onChanged(ChangedEvent event) {
			int recordNum=event.getRowNum();
			Boolean skip = (Boolean) event.getValue();
			ListGridRecord rc = lgFilesWithConflict.getRecord(recordNum);
			rc.setAttribute("override",!skip);	
			//lgfOverride.
			String anIAFileID = rc.getAttributeAsString("anIAFileID");
			FileToCopyMove fileToCopyMove = getFilesToCopyMove(anIAFileID);
			if (skip) {	
				fileToCopyMove.setConflict_res_action(CONFLICT_RES_ACTION.SKIP);
			} 
			else {
				fileToCopyMove.setConflict_res_action(CONFLICT_RES_ACTION.OVERRIDE);
			}
		//	lgFilesWithConflict.deselectAllRecords();
		//	if (recordNum !=0) lgFilesWithConflict.selectRecord(recordNum-1);
		//	else lgFilesWithConflict.selectRecord(recordNum+1);
			lgFilesWithConflict.saveAllEdits();
			//lgFilesWithConflict.redraw();
			//lgFilesWithConflict.refreshRow(recordNum);
		//	lbInsr.setSelected(true);
		//	lbInsr.select();
			System.out.println("refetching!!!");
		//	lgFilesWithConflict.invalidateCache();
		//	lgFilesWithConflict.fetchData();
			}
		});

FYI: In case it helps, here's the details on the grid.(Note: This listgrid is NOT connected to any datasource or, for that matter, to any underyling RDBMS; instead, it's manually populated using the setData() method.

lgFilesWithConflict = new ListGrid();
lgFilesWithConflict.setWidth("100%");
lgFilesWithConflict.setHeight(355);
lgFilesWithConflict.setSaveByCell(true);
// lgFilesWithConflict.setAutoSaveEdits(true);
// lgFilesWithConflict.setCanEdit(true);
lgFilesWithConflict.setEditEvent(ListGridEditEvent.CLICK);
lgFilesWithConflict.setCanEdit(true);
lgFilesWithConflict.setSelectionType(SelectionStyle.NONE);


Miscellaneous Infrastucture Details:
==================================
OS: Windows XP Pro
IDE: MyEclipse 10.0 with Google Plugin for Eclipse (2.5)
SmartGWT Pro 3.0 (Purchased Licence)
Browser: Mozilla Firefox 4.0.1
GWT SDK: 2.4.0
Sun JDK 1.6.0_27

[Isomorphic]

You can put a RadioGroupItem into a grid in a single column.

RecordClick won't work for what you want since you've got rows going in an out of edit mode. RecordClick only applies when you aren't in edit mode, otherwise, click fires on the editors themselves.

Your attempt with the Changed event is fine, but you need to read the Grid Editing Overview about editValues and when values are saved.

See also ListGridField.canToggle.

[gsaxena]

Thanks. I needed only to add:

lgFilesWithConflict.endEditing();


before the lgFilesWithConflict.saveAllEdits();

and everythign worked.

That said, the "RadioGroupItem" did *not* work. I do not believe that listgrids can accept formitem types in their "setFields" method. Here's what I did, but it wouldn't compile since "setFields" only accepts listgridfields, not formitem classes.

		FormItem editorType = new RadioGroupItem();
		  LinkedHashMap<String, String> valueMap = new LinkedHashMap<String, String>();
	        valueMap.put("NO_SELECTION", "NO_SELECTION");
	        valueMap.put("SKIP", "SKIP");  	
		editorType.setValueMap(valueMap);

		
// **** THE BELOW STATEMENT CAUSES COMPILE PROBLEMS, SINCE
// EDITOR TYPE IS A FORMITEM		lgFilesWithConflict.setFields(lgfFileName,lgfSkip,lgfOverride,editorType);

[Isomorphic]

Right, of course that will not compile - you provide editorType overrides via listGridField.setEditorType().