/*
 * Copyright (c) 2010, grossmann, Nikolaus Moll
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

package org.jowidgets.impl.widgets.basic;

import org.jowidgets.api.controller.IDisposeListener;
import org.jowidgets.api.controller.IParentListener;
import org.jowidgets.api.widgets.IContainer;
import org.jowidgets.api.widgets.IPopupMenu;
import org.jowidgets.api.widgets.ISplitComposite;
import org.jowidgets.api.widgets.descriptor.setup.ISplitCompositeSetup;
import org.jowidgets.common.types.Dimension;
import org.jowidgets.common.types.Orientation;
import org.jowidgets.impl.base.delegate.ControlDelegate;
import org.jowidgets.impl.widgets.common.wrapper.AbstractSplitCompositeSpiWrapper;
import org.jowidgets.spi.widgets.ISplitCompositeSpi;
import org.jowidgets.tools.widgets.invoker.ColorSettingsInvoker;
import org.jowidgets.tools.widgets.invoker.VisibiliySettingsInvoker;

public class SplitCompositeImpl extends AbstractSplitCompositeSpiWrapper implements ISplitComposite {

    private final ControlDelegate controlDelegate;
    private final ContainerImpl first;
    private final ContainerImpl second;
    private final int dividerSize;
    private final Orientation orientation;

    private Dimension firstClientAreaMinSize;
    private Dimension secondClientAreaMinSize;

    public SplitCompositeImpl(final ISplitCompositeSpi containerWidgetSpi, final ISplitCompositeSetup setup) {
        super(containerWidgetSpi);
        this.controlDelegate = new ControlDelegate(containerWidgetSpi, this);
        this.first = new ContainerImpl(getWidget().getFirst());
        this.second = new ContainerImpl(getWidget().getSecond());
        this.dividerSize = setup.getDividerSize();
        this.orientation = setup.getOrientation();
        this.first.setParent(this);
        this.second.setParent(this);
        VisibiliySettingsInvoker.setVisibility(setup, this);
        ColorSettingsInvoker.setColors(setup, this);
    }

    @Override
    public IContainer getParent() {
        return controlDelegate.getParent();
    }

    @Override
    public void setParent(final IContainer parent) {
        controlDelegate.setParent(parent);
    }

    @Override
    public void addParentListener(final IParentListener<IContainer> listener) {
        controlDelegate.addParentListener(listener);
    }

    @Override
    public void removeParentListener(final IParentListener<IContainer> listener) {
        controlDelegate.removeParentListener(listener);
    }

    @Override
    public boolean isReparentable() {
        return controlDelegate.isReparentable();
    }

    @Override
    public void addDisposeListener(final IDisposeListener listener) {
        controlDelegate.addDisposeListener(listener);
    }

    @Override
    public void removeDisposeListener(final IDisposeListener listener) {
        controlDelegate.removeDisposeListener(listener);
    }

    @Override
    public boolean isDisposed() {
        return controlDelegate.isDisposed();
    }

    @Override
    public void dispose() {
        if (!isDisposed()) {
            first.dispose();
            second.dispose();
            controlDelegate.dispose();
        }
    }

    @Override
    public IContainer getFirst() {
        return first;
    }

    @Override
    public IContainer getSecond() {
        return second;
    }

    @Override
    public void setMinSizes(final Dimension firstMinSize, final Dimension secondMinSize) {
        this.firstClientAreaMinSize = firstMinSize;
        this.secondClientAreaMinSize = secondMinSize;
        getWidget().setMinSizes(firstMinSize, secondMinSize);
    }

    @Override
    public Dimension getFirstMinSize() {
        return firstClientAreaMinSize;
    }

    @Override
    public Dimension getSecondMinSize() {
        return secondClientAreaMinSize;
    }

    private Dimension getSize(final Dimension firstSize, final Dimension secondSize) {
        int width = 0;
        int height = 0;
        if (Orientation.VERTICAL == orientation) {
            height = height + dividerSize;

            if (firstSize != null) {
                width = Math.max(width, firstSize.getWidth());
                height = height + firstSize.getHeight();
            }
            if (secondSize != null) {
                width = Math.max(width, secondSize.getWidth());
                height = height + secondSize.getHeight();
            }
        }
        else {
            width = width + dividerSize;

            if (firstSize != null) {
                width = width + firstSize.getWidth();
                height = Math.max(height, firstSize.getHeight());
            }
            if (secondSize != null) {
                width = width + secondSize.getWidth();
                height = Math.max(height, secondSize.getHeight());
            }
        }

        return new Dimension(width, height);
    }

    @Override
    public Dimension getMinSize() {
        return getSize(first.getMinSize(), second.getMinSize());
    }

    @Override
    public Dimension getPreferredSize() {
        return getSize(first.getPreferredSize(), second.getPreferredSize());
    }

    @Override
    public IPopupMenu createPopupMenu() {
        return controlDelegate.createPopupMenu();
    }

}