XScrollablePanel.java :  » Workflow-Engines » osbl-1_0 » org » osbl » client » wings » Java Open Source

package org.osbl.client.wings;

import org.wings.*;
import org.wings.event.SViewportChangeListener;
import org.wings.io.Device;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.IOException;
import java.awt.*;

/**
 * An SPanel, that implements the Scrollable interface. It can be used in conjunction with SScrollPane
 * with a non paging layout as returned by the method asScrollPane.
 */
public class XScrollablePanel
    extends SPanel
    implements Scrollable
{
    private SScrollPane scrollPane;

    public XScrollablePanel() {
        super.setLayout(new SBorderLayout());
    }

    public XScrollablePanel(SComponent comp) {
        this();
        add(comp, SBorderLayout.CENTER);
    }

    public XScrollablePanel(SComponent comp, SDimension preferredSize) {
        this();
        setPreferredSize(preferredSize);
        add(comp, SBorderLayout.CENTER);
    }

    public Rectangle getScrollableViewportSize() {
        return null;
    }

    public void setViewportSize(Rectangle d) {
    }

    public void addViewportChangeListener(SViewportChangeListener l) {
    }

    public void removeViewportChangeListener(SViewportChangeListener l) {
    }

    public Rectangle getViewportSize() {
        return null;
    }

    public Dimension getPreferredExtent() {
        return null;
    }

    public SScrollPane asScrollPane() {
        if (scrollPane == null) {
            scrollPane = new SScrollPane(this);
            scrollPane.setPreferredSize(SDimension.FULLAREA);
            scrollPane.setMode(SScrollPane.MODE_COMPLETE);
        }
        return scrollPane;
    }
}