BensikinMainPanel.java

//+======================================================================
// $Source: /cvsroot/tango-cs/tango/tools/bensikin/bensikin/containers/BensikinMainPanel.java,v $
//
// Project:      Tango Archiving Service
//
// Description:  Java source code for the class  BensikinMainPanel.
//						(Claisse Laurent) - 16 juin 2005
//
// $Author: ounsy $
//
// $Revision: 1.7 $
//
// $Log: BensikinMainPanel.java,v $
// Revision 1.7  2006/01/10 13:28:30  ounsy
// minor changes
//
// Revision 1.6  2005/12/14 16:18:31  ounsy
// minor changes
//
// Revision 1.5  2005/11/29 18:25:13  chinkumo
// no message
//
// Revision 1.1.1.2  2005/08/22 11:58:35  chinkumo
// First commit
//
//
// copyleft :		Synchrotron SOLEIL
//					L'Orme des Merisiers
//					Saint-Aubin - BP 48
//					91192 GIF-sur-YVETTE CEDEX
//
//-======================================================================
package fr.soleil.bensikin.containers;

import java.awt.BorderLayout;

import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;

import fr.soleil.bensikin.Bensikin;
import fr.soleil.bensikin.components.BensikinToolbar;
import fr.soleil.bensikin.containers.context.ContextPanel;
import fr.soleil.bensikin.containers.snapshot.SnapshotPanel;
import fr.soleil.lib.project.application.logging.LogManager;
import fr.soleil.lib.project.application.logging.LogViewer;

/**
 * The container directly under the top-level container. Contains everything on screen except for popup dialogs. A
 * singleton class.
 * 
 * @author CLAISSE
 */
public class BensikinMainPanel extends JPanel {

    private static final long serialVersionUID = -8285056630882222623L;

    private static final int INITIAL_MESSAGE_SPLIT_POSITION_HIRES = 840;
    private static final int INITIAL_CONTEXT_SPLIT_POSITION_HIRES = 540;
    private static final int INITIAL_MESSAGE_SPLIT_POSITION_LORES = 560;
    private static final int INITIAL_CONTEXT_SPLIT_POSITION_LORES = 540;

    private int initialMessageSplitPosition;
    private int initialContextSplitPosition;

    private static final int MESSAGE_SPLIT_DIVIDER_SIZE_HIRES = 8;
    private static final int CONTEXT_SPLIT_DIVIDER_SIZE_HIRES = 8;
    private static final int MESSAGE_SPLIT_DIVIDER_SIZE_LORES = 5;
    private static final int CONTEXT_SPLIT_DIVIDER_SIZE_LORES = 5;
    private int messageSplitDividerSize;
    private int contextSplitDividerSize;

    private static final double MESSAGE_SPLIT_RESIZE_WEIGHT = 1.0;
    private static final double CONTEXT_SPLIT_RESIZE_WEIGHT = 0.5;

    private static BensikinMainPanel bensikinMainPanelInstance = null;
    private final LogViewer logViewer;

    /**
     * Instantiates itself if necessary, returns the instance.
     */
    public static BensikinMainPanel getInstance() {
        if (bensikinMainPanelInstance == null) {
            bensikinMainPanelInstance = new BensikinMainPanel();
        }

        return bensikinMainPanelInstance;
    }

    /**
     * Builds the panel.
     */
    private BensikinMainPanel() {
        initSplitsPositions();

        // START HORIZONTAL SPLIT
        final JSplitPane contextSplit = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true);
        contextSplit.setDividerSize(contextSplitDividerSize);
        contextSplit.setResizeWeight(CONTEXT_SPLIT_RESIZE_WEIGHT);
        contextSplit.setOneTouchExpandable(true);
        contextSplit.setDividerLocation(initialContextSplitPosition);
        contextSplit.setLeftComponent(new JScrollPane(ContextPanel.getInstance()));
        contextSplit.setRightComponent(new JScrollPane(SnapshotPanel.getInstance()));
        // END HORIZONTAL SPLIT

        // START VERTICAL SPLIT
        final JSplitPane messageSplit = new JSplitPane(JSplitPane.VERTICAL_SPLIT, true);
        messageSplit.setDividerSize(messageSplitDividerSize);
        messageSplit.setResizeWeight(MESSAGE_SPLIT_RESIZE_WEIGHT);
        messageSplit.setOneTouchExpandable(true);
        messageSplit.setDividerLocation(initialMessageSplitPosition);
        messageSplit.setTopComponent(contextSplit);

        logViewer = LogManager.getLogViewerInstance(Bensikin.DEFAULT_LOG_ID, true);
        logViewer.setAutoResizeColumns(true);
        messageSplit.setBottomComponent(logViewer);
        // END VERTICAL SPLIT

        // START MAIN PART
        setLayout(new BorderLayout());
        this.add(BensikinToolbar.getInstance(), BorderLayout.NORTH);
        this.add(messageSplit, BorderLayout.CENTER);
        // END MAIN PART
    }

    /**
     * Sets up the Split panes dividers locations, so that everything is usable
     * in low res
     */
    private void initSplitsPositions() {
        if (Bensikin.isHires()) {
            initialMessageSplitPosition = INITIAL_MESSAGE_SPLIT_POSITION_HIRES;
            initialContextSplitPosition = INITIAL_CONTEXT_SPLIT_POSITION_HIRES;

            messageSplitDividerSize = MESSAGE_SPLIT_DIVIDER_SIZE_HIRES;
            contextSplitDividerSize = CONTEXT_SPLIT_DIVIDER_SIZE_HIRES;
        } else {
            initialMessageSplitPosition = INITIAL_MESSAGE_SPLIT_POSITION_LORES;
            initialContextSplitPosition = INITIAL_CONTEXT_SPLIT_POSITION_LORES;

            messageSplitDividerSize = MESSAGE_SPLIT_DIVIDER_SIZE_LORES;
            contextSplitDividerSize = CONTEXT_SPLIT_DIVIDER_SIZE_LORES;
        }
    }

}