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  1. #1
    Ext User
    Join Date
    May 2009
    Posts
    1
    Vote Rating
    0
    jkriesel is on a distinguished road

      0  

    Default [CLOSED] TabPanel in a Content Panel Bug

    [CLOSED] TabPanel in a Content Panel Bug


    I have a problem when a tab panel is contained in a content panel. Clicking from tab to tab breaks. Also notice the strange behavior in that the tabs do not display until you resize.

    It occurs on Windows in both hosted and web mode with Ext GWT 2.0 (downloaded yesterday).

    Here is an example source:

    package
    com.Test.TabPanelTest.client;


    import
    com.extjs.gxt.ui.client.Style.LayoutRegion;

    import
    com.extjs.gxt.ui.client.Style.Scroll;

    import
    com.extjs.gxt.ui.client.event.ComponentEvent;

    import
    com.extjs.gxt.ui.client.event.Events;

    import
    com.extjs.gxt.ui.client.event.Listener;

    import
    com.extjs.gxt.ui.client.event.TabPanelEvent;

    import
    com.extjs.gxt.ui.client.mvc.Dispatcher;

    import
    com.extjs.gxt.ui.client.util.Margins;

    import
    com.extjs.gxt.ui.client.widget.ContentPanel;

    import
    com.extjs.gxt.ui.client.widget.TabItem;

    import
    com.extjs.gxt.ui.client.widget.TabPanel;

    import
    com.extjs.gxt.ui.client.widget.Viewport;

    import
    com.extjs.gxt.ui.client.widget.Window;

    import
    com.extjs.gxt.ui.client.widget.TabPanel.TabPosition;

    import
    com.extjs.gxt.ui.client.widget.layout.BorderLayout;

    import
    com.extjs.gxt.ui.client.widget.layout.BorderLayoutData;

    import
    com.extjs.gxt.ui.client.widget.layout.FitLayout;

    import
    com.google.gwt.core.client.EntryPoint;

    import
    com.google.gwt.core.client.GWT;

    import
    com.google.gwt.event.dom.client.ClickEvent;

    import
    com.google.gwt.event.dom.client.ClickHandler;

    import
    com.google.gwt.event.dom.client.KeyCodes;

    import
    com.google.gwt.event.dom.client.KeyUpEvent;

    import
    com.google.gwt.event.dom.client.KeyUpHandler;

    import
    com.google.gwt.http.client.RequestBuilder;

    import
    com.google.gwt.user.client.History;

    import
    com.google.gwt.user.client.rpc.AsyncCallback;

    import
    com.google.gwt.user.client.ui.Button;

    import
    com.google.gwt.user.client.ui.DialogBox;

    import
    com.google.gwt.user.client.ui.HTML;

    import
    com.google.gwt.user.client.ui.Label;

    import
    com.google.gwt.user.client.ui.RootPanel;

    import
    com.google.gwt.user.client.ui.TextBox;

    import
    com.google.gwt.user.client.ui.VerticalPanel;


    /**
    *Entrypointclassesdefine<code>onModuleLoad()</code>.

    */

    public
    class TabPanelTest implements EntryPoint {
    /**

    *Themessagedisplayedtotheuserwhentheservercannotbereachedor

    *returnsanerror.

    */

    privatestaticfinal String SERVER_ERROR = "An error occurred while "

    +
    "attempting to contact the server. Please check your network "

    +
    "connection and try again.";

    /**

    *Createaremoteserviceproxytotalktotheserver-sideGreetingservice.

    */

    privatefinal GreetingServiceAsync greetingService = GWT
    .create(GreetingService.
    class);

    /**

    *Thisistheentrypointmethod.

    */

    publicvoid onModuleLoad() {
    Viewport viewport =
    new Viewport();
    viewport.setLayout(
    new BorderLayout());

    ContentPanel cp =
    new ContentPanel();
    cp.setBorders(
    false);
    cp.setHeaderVisible(
    false);
    cp.setLayout(
    new FitLayout());

    String txt =
    "Test";
    TabPanel folder =
    new TabPanel();
    folder.setTabPosition(TabPosition.
    TOP);
    folder.setCloseContextMenu(
    true);
    folder.setBorderStyle(
    false);
    folder.setBodyBorder(
    false);
    folder.setTabScroll(
    true);
    folder.setAnimScroll(
    true);
    folder.addListener(Events.
    Remove, new Listener<TabPanelEvent>() {

    publicvoid handleEvent(TabPanelEvent be) {
    /*TabItem item = be.getItem();
    Entry entry = (Entry) item.getData("entry");
    Dispatcher.forwardEvent(AppEvents.HidePage, entry);*/

    }

    });
    folder.addListener(Events.
    Select, new Listener<TabPanelEvent>() {
    publicvoid handleEvent(TabPanelEvent be) {
    /*String token = History.getToken();
    Entry entry = (Entry) be.getItem().getData("entry");
    if (token != null && (!token.equals(entry.getId()))) {
    History.newItem(entry.getId(), false);
    } */

    }
    });

    TabItem shortText =
    new TabItem("Short Text");
    shortText.addStyleName(
    "pad-text");
    shortText.addText(txt);
    folder.add(shortText);

    TabItem longText =
    new TabItem("Long Text");
    longText.addStyleName(
    "pad-text");
    longText.addText(txt +
    "<br>" + txt);
    folder.add(longText);

    RootPanel.get().add(viewport);

    BorderLayoutData data =
    new BorderLayoutData(LayoutRegion.CENTER);
    data.setMargins(
    new Margins(5, 5, 5, 0));
    viewport.add(cp, data);
    cp.add(folder);
    }
    }


  2. #2
    Software Architect
    Join Date
    Sep 2007
    Posts
    13,966
    Vote Rating
    130
    sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light sven is a glorious beacon of light

      0  

    Default


    There is an issue in your code. You need to call viewport.layout(); as you alter your vieport. I amclosing this issue.

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