/*
 * Copyright (c) 2010, grossmann, Lukas Gross
 * 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.command.IAction;
import org.jowidgets.api.controller.IDisposeListener;
import org.jowidgets.api.controller.IParentListener;
import org.jowidgets.api.widgets.IButton;
import org.jowidgets.api.widgets.IContainer;
import org.jowidgets.api.widgets.IPopupMenu;
import org.jowidgets.api.widgets.descriptor.IButtonDescriptor;
import org.jowidgets.common.image.IImageConstant;
import org.jowidgets.common.widgets.controller.IActionListener;
import org.jowidgets.impl.base.delegate.ControlDelegate;
import org.jowidgets.impl.command.ActionExecuter;
import org.jowidgets.impl.command.ActionWidgetSync;
import org.jowidgets.impl.command.IActionWidget;
import org.jowidgets.impl.widgets.common.wrapper.AbstractButtonSpiWrapper;
import org.jowidgets.spi.widgets.IButtonSpi;
import org.jowidgets.tools.widgets.invoker.ColorSettingsInvoker;
import org.jowidgets.tools.widgets.invoker.VisibiliySettingsInvoker;

public class ButtonImpl extends AbstractButtonSpiWrapper implements IButton, IActionWidget {

    private final ControlDelegate controlDelegate;

    private ActionWidgetSync actionWidgetSync;
    private ActionExecuter actionExecuter;

    private IImageConstant icon;

    public ButtonImpl(final IButtonSpi buttonSpi, final IButtonDescriptor descriptor) {
        super(buttonSpi);
        this.controlDelegate = new ControlDelegate(buttonSpi, this);
        setEnabled(descriptor.isEnabled());
        VisibiliySettingsInvoker.setVisibility(descriptor, this);
        ColorSettingsInvoker.setColors(descriptor, this);

        if (descriptor.getFontSize() != null) {
            setFontSize(Integer.valueOf(descriptor.getFontSize()));
        }
        if (descriptor.getFontName() != null) {
            setFontName(descriptor.getFontName());
        }

        addActionListener(new IActionListener() {
            @Override
            public void actionPerformed() {
                if (actionExecuter != null) {
                    actionExecuter.execute();
                }
            }
        });

        setTextCache(descriptor.getText());

        this.icon = descriptor.getIcon();
    }

    @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() {
        disposeActionWidgetSync();
        controlDelegate.dispose();
    }

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

    @Override
    public void setAction(final IAction action) {
        //dispose the old sync if exists
        disposeActionWidgetSync();

        actionWidgetSync = new ActionWidgetSync(action, this);
        actionWidgetSync.setActive(true);

        actionExecuter = new ActionExecuter(action, this);
    }

    private void disposeActionWidgetSync() {
        if (actionWidgetSync != null) {
            actionWidgetSync.dispose();
            actionWidgetSync = null;
        }
    }

    @Override
    public void setIcon(final IImageConstant icon) {
        this.icon = icon;
        super.setIcon(icon);
    }

    @Override
    public IImageConstant getIcon() {
        return icon;
    }

    @Override
    public void push() {
        if (getWidget() instanceof IButtonSpi) {
            final IButtonSpi widget = getWidget();
            widget.push();
        }
        getWidget().push();
    }

}