/*
 * Copyright (c) 2010, grossmann
 * 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.spi.impl.swing.common.widgets;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JSplitPane;

import org.jowidgets.common.types.Dimension;
import org.jowidgets.common.types.Orientation;
import org.jowidgets.common.types.SplitResizePolicy;
import org.jowidgets.common.widgets.factory.IGenericWidgetFactory;
import org.jowidgets.spi.impl.swing.common.util.BorderConvert;
import org.jowidgets.spi.impl.swing.common.util.SplitOrientationConvert;
import org.jowidgets.spi.impl.swing.common.widgets.base.JoSplitPane;
import org.jowidgets.spi.widgets.ICompositeSpi;
import org.jowidgets.spi.widgets.ISplitCompositeSpi;
import org.jowidgets.spi.widgets.setup.ISplitCompositeSetupSpi;

public class SplitCompositeImpl extends SwingControl implements ISplitCompositeSpi {

    private final ICompositeSpi first;
    private final ICompositeSpi second;

    private final JPanel firstPanel;
    private final JPanel secondPanel;

    private final int dividerSize;
    private final Orientation orientation;

    public SplitCompositeImpl(final IGenericWidgetFactory factory, final ISplitCompositeSetupSpi setup) {
        super(new JoSplitPane(SplitOrientationConvert.convert(setup.getOrientation()), setup.getWeight(), getResizeWeight(setup)));

        this.dividerSize = setup.getDividerSize();
        this.orientation = setup.getOrientation();

        this.firstPanel = new JPanel();
        this.secondPanel = new JPanel();

        firstPanel.setBorder(BorderConvert.convert(setup.getFirstBorder()));
        secondPanel.setBorder(BorderConvert.convert(setup.getSecondBorder()));

        first = new SwingComposite(factory, firstPanel);
        second = new SwingComposite(factory, secondPanel);

        first.setLayout(setup.getFirstLayout());
        second.setLayout(setup.getSecondLayout());

        final JSplitPane splitPane = getUiReference();

        splitPane.setLeftComponent(firstPanel);
        splitPane.setRightComponent(secondPanel);

        splitPane.setBorder(BorderFactory.createEmptyBorder());
        splitPane.setDividerSize(dividerSize);
    }

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

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

    @Override
    public void setMinSizes(final Dimension firstMinSize, final Dimension secondMinSize) {
        setMinSize(firstPanel, firstMinSize, false);
        setMinSize(secondPanel, secondMinSize, true);
    }

    private void setMinSize(final JPanel panel, final Dimension minSize, final boolean second) {
        if (minSize != null) {
            int width = minSize.getWidth();
            int height = minSize.getHeight();
            if (second) {
                if (Orientation.VERTICAL == orientation) {
                    height = height + dividerSize;
                }
                else {
                    width = width + dividerSize;
                }
            }
            panel.setMinimumSize(new java.awt.Dimension(width, height));
        }
        else {
            panel.setMinimumSize(null);
        }
    }

    @Override
    public JSplitPane getUiReference() {
        return (JSplitPane) super.getUiReference();
    }

    private static double getResizeWeight(final ISplitCompositeSetupSpi setup) {
        final SplitResizePolicy resizePolicy = setup.getResizePolicy();
        if (resizePolicy == SplitResizePolicy.RESIZE_FIRST) {
            return 1.0;
        }
        else if (resizePolicy == SplitResizePolicy.RESIZE_SECOND) {
            return 0.0;
        }
        else if (resizePolicy == SplitResizePolicy.RESIZE_BOTH) {
            return setup.getWeight();
        }
        else {
            throw new IllegalArgumentException(SplitResizePolicy.class.getSimpleName() + "'" + resizePolicy + "' is not known.");
        }
    }

}