RE: [ULC-developer] Problem with ULCScrollPane Viewport

[Janak Mulani]

Hi Jens,

On the server-side, in your ULCScrollPane extension you can add a method
that will set background color on the viewport.

Please see the snippet below.

Thanks and regards,

Janak

>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED] Behalf Of Jens Gräulich
>Sent: Wednesday, February 07, 2007 2:45 PM
>To: ulc-developer@lists.canoo.com
>Subject: [ULC-developer] Problem with ULCScrollPane Viewport
>
>
>Hi,
>
>I would like to set the background color for the Viewport of an
>ULCScrollPane. It seems to me, that this is not possible without a
>client extension. Please find an example below. As I do not have a
>getter/setter for the viewport (just the viewportview, which is my
>table), I have no chance of setting it directly on the server side.
>I have a workaround (below below) in my own client extension but I guess
>this should be fixed elsewhere. Could you please have a look at it and
>tell me if this is an ULC issue or whether I missed something.
>
>Kind regards
>Jens
>
>EXAMPLE CODE
>
>public class ScrollPaneTestPlainULC extends AbstractApplication
>{
>    public void start()
>    {
>        ULCRootPane rootPane;
>        ULCTable table;
>        ULCScrollPane sc;
>
>        rootPane=createRootPane();
>        table = new ULCTable(getModel(), new String[]{"Name", "Initial",
>"Sirname"});
>        table.setAutoResizeMode(ULCTable.AUTO_RESIZE_OFF); //table now
>is smaller than the viewport
>        table.setBackground(Color.white);
>        sc = new ULCScrollPane(table);
>        sc.setBackground(Color.white);
>
>        rootPane.getContentPane().add(sc);
>        rootPane.getRootPane().setVisible(true);
>    }
>
>    private ULCRootPane createRootPane()
>    {
>        ULCFrame frame = new ULCFrame();
>        frame.setDefaultCloseOperation(ULCFrame.TERMINATE_ON_CLOSE);
>        return frame;
>    }
>
>    private Object[][] getModel()
>    {
>        return new String[][]{
>            {"Bruno", "T.", "Bear"},
>            {"Bruno", "T.", "Bear"},
>            {"Bruno", "T.", "Bear"},
>            {"Bruno", "T.", "Bear"},
>            {"Bruno", "T.", "Bear"},
>        };
>    }
>
>
>    public static void main(String[] args)
>    {
>
>DevelopmentRunner.setApplicationClass(ScrollPaneTestPlainULC.class);
>        DevelopmentRunner.run();
>    }
>
>
>}
>
>
>WORKAROUND
>
>
>public class UIAScrollPane extends UIScrollPane
>{
>
>    public void setBackgroundColor(Color color)
>    {
>        super.setBackgroundColor(color);
>        getBasicScrollPane().getViewport().setBackground(color);
>    }
>
>
>    protected void postInitializeState()
>    {
>        super.postInitializeState();
>
>getBasicScrollPane().getViewport().setBackground(getBasicScrollPane
>().getBackground());
>    }
>}
----------------------------------------------------------------------------
-


import com.ulcjava.base.application.AbstractApplication;
import com.ulcjava.base.application.ULCFrame;
import com.ulcjava.base.application.ULCRootPane;
import com.ulcjava.base.application.ULCScrollPane;
import com.ulcjava.base.application.ULCTable;
import com.ulcjava.base.application.util.Color;
import com.ulcjava.base.client.UIScrollPane;
import com.ulcjava.base.development.DevelopmentRunner;

public class ScrollPaneTestPlainULC extends AbstractApplication {
    public void start() {
        ULCRootPane rootPane;
        ULCTable table;
        ULCMyScrollPane sc;

        rootPane = createRootPane();
        table = new ULCTable(getModel(), new String[] { "Name", "Initial",
"Sirname" });
        table.setAutoResizeMode(ULCTable.AUTO_RESIZE_OFF); // table now is
smaller than the viewport
        table.setBackground(Color.white);
        sc = new ULCMyScrollPane(table);

        sc.setBackgroundOnViewport(Color.white);

        rootPane.getContentPane().add(sc);
        rootPane.getRootPane().setVisible(true);
    }

    private ULCRootPane createRootPane() {
        ULCFrame frame = new ULCFrame();
        frame.setDefaultCloseOperation(ULCFrame.TERMINATE_ON_CLOSE);
        return frame;
    }

    private Object[][] getModel() {
        return new String[][] { { "Bruno", "T.", "Bear" }, { "Bruno", "T.",
"Bear" }, { "Bruno", "T.", "Bear" },
                { "Bruno", "T.", "Bear" }, { "Bruno", "T.", "Bear" }, };
    }


    public static void main(String[] args) {
        DevelopmentRunner.setApplicationClass(ScrollPaneTestPlainULC.class);
        DevelopmentRunner.run();
    }

    public static class UIMyScrollPane extends UIScrollPane {
        public void setBackgroundOnViewport(java.awt.Color color) {
            getBasicScrollPane().getViewport().setBackground(color);
        }
    }

    public static class ULCMyScrollPane extends ULCScrollPane {
        private Color fBackgroundOnViewport;

        public ULCMyScrollPane(ULCTable table) {
            super(table);
        }

        protected String typeString() {
            return UIMyScrollPane.class.getName();
        }

        public void setBackgroundOnViewport(Color backGroundColor) {
            fBackgroundOnViewport =
(Color)setStateUI("backgroundOnViewport", fBackgroundOnViewport,
backGroundColor);
        }

        public Color getBackgroundOnViewport() {
            return fBackgroundOnViewport;
        }

        protected void uploadStateUI() {
            super.uploadStateUI();
            setStateUI("backgroundOnViewport", null, fBackgroundOnViewport);
        }
    }
}

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