ch.unifr.pai.twice.layout.client.eclipseLayout.MiceLayout.java Source code

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Here is the source code for ch.unifr.pai.twice.layout.client.eclipseLayout.MiceLayout.java

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package ch.unifr.pai.twice.layout.client.eclipseLayout;

/*
 * Copyright 2013 Oliver Schmid
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import com.google.gwt.user.client.ui.ResizeLayoutPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The actual layouting logic for cursor-oriented devices
 * 
 * @author Oliver Schmid
 * 
 */
public class MiceLayout extends ResizeLayoutPanel {

    /**
     * The widget that is attached to the root panel if the application does not have another component in fullscreen mode
     */
    private Widget nonFullscreenWidget;

    /**
     * The parent panel of the widget which is currently presented in fullscreen mode
     */
    private SimplePanel originOfFullScreenWidget;

    /**
     * The root panel
     */
    private MiceSplitLayoutPanel thePanel;

    /**
     * @return the root {@link MiceSplitLayoutPanel}
     */
    public MiceSplitLayoutPanel getMainPanel() {
        if (thePanel == null) {
            thePanel = new MiceSplitLayoutPanel();
            add(thePanel);
        }
        return thePanel;
    }

    /*
     * (non-Javadoc)
     * @see com.google.gwt.user.client.ui.ResizeLayoutPanel#setWidget(com.google.gwt.user.client.ui.Widget)
     */
    @Override
    public void setWidget(Widget w) {
        if (nonFullscreenWidget == null)
            nonFullscreenWidget = w;
        super.setWidget(w);
    }

    /**
     * Show the component widget in fullscreen mode
     * 
     * @param w
     */
    public void setFullscreen(Widget w) {
        originOfFullScreenWidget = (SimplePanel) w.getParent();
        super.setWidget(w);
    }

    /**
     * Close fullscreen mode and switch to standard mode again
     */
    public void unsetFullscreen() {
        originOfFullScreenWidget.setWidget(getWidget());
        super.setWidget(nonFullscreenWidget);
    }

}