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/*
 * Copyright 2000,2005 wingS development team.
 *
 * This file is part of wingS (http://wingsframework.org).
 *
 * wingS is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * Please see COPYING for the complete licence.
 */
package org.wings;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * The SWindow is currently just a placeholder for further implementations like
 * MDI windows or dialogs.
 * 
 * User: rrd
 * Date: Oct 2, 2007
 * Time: 6:59:44 PM
 *
 * @author Roman Rädle
 * @version $Id
 */
public class SWindow extends SForm implements LowLevelEventListener {

    private static final Logger LOG = LoggerFactory.getLogger(SWindow.class);

    /**
     * Action command if window window was closed
     */
    public static final String CLOSE_ACTION = "CLOSE";

    /**
     * Action command if user hit return
     */
    public static final String DEFAULT_ACTION = "DEFAULT";

    protected SRootContainer owner;
    
	protected int x = -1;
	protected int y = -1;

	public int getX() {
		return x;
	}

	public void setX(int x) {
        this.x = x;
        int oldX = x;
        if (oldX != x)
			reload();
	}

	public int getY() {
		return y;
	}

	public void setY(int y) {
        this.y = y;
        int oldY = y;
        if (oldY != y)
			reload();
	}

    /**
     * Removes all SComponents from the pane
     */
    public void dispose() {
        if (isVisible()) {
            hide();
        }
        removeAll();
    }

    @Override
    public void setVisible(boolean visible) {
        if (visible) {
            show();
        } else {
            hide();
        }
    }

    /**
     * Returns the root container in which this dialog is to be displayed.
     *
     * @return The root container in which this dialog is to be displayed.
     * @see this#getParent()
     */
    public SRootContainer getOwner() {
        return owner;
    }

    public void setOwner(SRootContainer owner) {
        SComponent oldVal = this.owner;
        this.owner = owner;
        propertyChangeSupport.firePropertyChange("owner", oldVal, this.owner);
    }

    public void setOwner(SComponent c) {
        SComponent oldVal = this.owner;
        if (c != null) {
            while (!(c instanceof SRootContainer) && c != null)
                c = c.getParent();

            owner = (SRootContainer)c;
        }
        propertyChangeSupport.firePropertyChange("owner", oldVal, owner);
    }

    public void show() {
        if (owner == null)
            setOwner(getSession().getRootFrame());

        super.setVisible(true);
        owner.pushWindow(this);
    }

    /**
     * Remove this window from its frame.
     */
    public void hide() {
        LOG.debug("hide window");

        if (owner != null)
            owner.removeWindow(this);
        super.setVisible(false);
    }

    // LowLevelEventListener interface. Handle own events.
    @Override
    public void processLowLevelEvent(String action, String... values) {
        processKeyEvents(values);
        if (action.endsWith("_keystroke"))
            return;

        if (action.contains("_")) {
			String[] actions = action.split("_");
			if ("xy".equals(actions[1])) {
				String[] coords = values[0].split(",");

				x = Integer.parseInt(coords[0]);
				y = Integer.parseInt(coords[1]);
				return;
			}
			else if ("dispose".equals(actions[1])) {
				dispose();
			}
		}
        
        // is this a window event?
        try {
            switch (new Integer(values[0])) {
                case org.wings.event.SInternalFrameEvent.INTERNAL_FRAME_CLOSED:
                	dispose();
                    actionCommand = CLOSE_ACTION;
                    break;

                default:
                    // form event
                    actionCommand = DEFAULT_ACTION;
            }
        } catch (NumberFormatException ex) {
            // no window event...
        }
        SForm.addArmedComponent(this); // trigger later invocation of fire*()
    }
}