the code is attached as follow:
public class ALS implements EntryPoint {
>
> ScrollPanel basePanel = new ScrollPanel();
> DockLayoutPanel baseDockLayoutPanel = new DockLayoutPanel(Unit.PX);
> SimplePanel simpleContentPanel = new SimplePanel();
>
> public void onModuleLoad() {
> RootLayoutPanel rootPanel = RootLayoutPanel.get();
> rootPanel.add(basePanel);
> basePanel.add(baseDockLayoutPanel);
> baseDockLayoutPanel.setSize("1200", "800");
> baseDockLayoutPanel.addNorth(CommonPanel.getHeaderPanel(), 20);
> baseDockLayoutPanel.addSouth(CommonPanel.getFooterPanel(), 40);
>
> FlowPanel leftSidePanel = CommonPanel.getLeftSidePanel();
> FlowPanel menuPanel = new FlowPanel();
> menuPanel.setWidth("150px");
> menuPanel.addStyleName("menu");
> menuPanel.add(buildTree());
> leftSidePanel.add(menuPanel);
> baseDockLayoutPanel.addWest(leftSidePanel, 220);
> baseDockLayoutPanel.add(simpleContentPanel);
> baseDockLayoutPanel.setSize("1024", "800");
>
> }
>
>
> Tree buildTree(){
> Tree treeMenu = new Tree();
>
>
> final TreeItem searchLogs = new TreeItem("Search Logs");
>
> treeMenu.addItem(searchLogs);
> searchLogs.setState(true);
>
> treeMenu.addSelectionHandler(new SelectionHandler<TreeItem>(){
>
> @Override
> public void onSelection(SelectionEvent<TreeItem> event)
> {
> if
> (event.getSelectedItem().equals(advancedSearchLogs)){
>
> //System.out.println(splitLayoutPanel.getWidgetCount());
>
> simpleContentPanel.remove(simpleContentPanel.getWidget());
> simpleContentPanel.add(new
> AdvancedSearchLogsPanel());
> advancedSearchLogsPanel.forceLayout();
> baseDockLayoutPanel.forceLayout();
>
> int width =
> advancedSearchLogsPanel.getOffsetWidth() + 220;
> int height =
> advancedSearchLogsPanel.getOffsetHeight()+ 60;
> // Problem here, getOffSetheight()
> return zero!!
> // AdvancedSearchLogsPanel is a
> docklayoutPanel
>
> baseDockLayoutPanel.setSize(String.valueOf(width), String.valueOf(height));
> }
> }});
> return treeMenu;
> }
> }
>
>
On Wednesday, March 28, 2012 4:08:00 PM UTC+8, tong123123 wrote:
>
> there is a simplePanel and the simplePanel add a DockLayoutPanel called
> AdvancedSearchPanel.
> in the AdvancedSearchPanel constructor, the width is set to 100% and
> height to 1800px.
>
> then there is a menu item and when it is clicked,
> I try to add the AdvancedSearchLogsPanel() to simplePanel and then called
> advancedSearchLogsPanel.forceLayout()
> before calling
> advancedSearchLogsPanel.getOffsetWidth() and
> advancedSearchLogsPanel.getOffsetHeight()
> but both return zero!!
>
> what is the problem come from?
>
On Wednesday, March 28, 2012 4:08:00 PM UTC+8, tong123123 wrote:
>
> there is a simplePanel and the simplePanel add a DockLayoutPanel called
> AdvancedSearchPanel.
> in the AdvancedSearchPanel constructor, the width is set to 100% and
> height to 1800px.
>
> then there is a menu item and when it is clicked,
> I try to add the AdvancedSearchLogsPanel() to simplePanel and then called
> advancedSearchLogsPanel.forceLayout()
> before calling
> advancedSearchLogsPanel.getOffsetWidth() and
> advancedSearchLogsPanel.getOffsetHeight()
> but both return zero!!
>
> what is the problem come from?
>
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