ilarkesto.gwt.client.FullScreenDockWidget.java Source code

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Here is the source code for ilarkesto.gwt.client.FullScreenDockWidget.java

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/*
 * Copyright 2011 Witoslaw Koczewsi <wi@koczewski.de>, Artjom Kochtchi
 * 
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public
 * License as published by the Free Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
 * for more details.
 * 
 * You should have received a copy of the GNU General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 */
package ilarkesto.gwt.client;

import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.DockPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

public class FullScreenDockWidget extends AWidget {

    private DockPanel dock;

    private Widget north;
    private SimplePanel northWrapper;
    private int northHeight;

    private Widget west;
    private SimplePanel westWrapper;
    private int westWidth;

    private Widget center;
    private SimplePanel centerWrapper;

    public FullScreenDockWidget(Widget north, int northHeight, Widget west, int westWidth, Widget center) {
        this.north = north;
        this.northHeight = northHeight;
        this.west = west;
        this.westWidth = westWidth;
        this.center = center;
    }

    @Override
    protected Widget onInitialization() {
        Window.enableScrolling(false);
        setHeight100();

        dock = new DockPanel();
        dock.setStyleName("FullScreenDockWidget");
        // dock.setBorderWidth(1);
        dock.setSpacing(0);
        dock.setWidth("100%");
        dock.setHeight("100%");

        northWrapper = new SimplePanel();
        northWrapper.setWidget(north);
        northWrapper.setStyleName("FullScreenDockWidget-north");
        northWrapper.setWidth("100%");
        northWrapper.setHeight(northHeight + "px");
        dock.add(northWrapper, DockPanel.NORTH);
        dock.setCellWidth(northWrapper, "100%");
        dock.setCellHeight(northWrapper, northHeight + "px");

        westWrapper = new SimplePanel();
        westWrapper.setWidget(west);
        westWrapper.setStyleName("FullScreenDockWidget-west");
        westWrapper.setWidth(westWidth + "px");
        westWrapper.setHeight("100%");
        dock.add(westWrapper, DockPanel.WEST);
        dock.setCellWidth(westWrapper, westWidth + "px");
        dock.setCellHeight(westWrapper, "100%");

        centerWrapper = new SimplePanel();
        centerWrapper.setWidget(center);
        centerWrapper.setStyleName("FullScreenDockWidget-center");
        // DOM.setStyleAttribute(getElement(), "overflowY", "scroll");
        centerWrapper.setWidth("100%");
        centerWrapper.setHeight("100%");
        dock.add(centerWrapper, DockPanel.CENTER);
        dock.setCellWidth(centerWrapper, "100%");
        dock.setCellHeight(centerWrapper, "100%");

        // Window.addResizeHandler(new DockResizeHandler());

        return dock;
    }

    @Override
    protected void onUpdate() {
        super.onUpdate();
        updateCenterSize();
    }

    private void updateCenterSize() {
        int width = Window.getClientWidth() - westWidth - 20;
        int height = Window.getClientHeight() - northHeight - 20;
        centerWrapper.setSize(width + "px", height + "px");
        dock.setCellWidth(centerWrapper, width + "px");
        dock.setCellHeight(centerWrapper, height + "px");
    }

    private class DockResizeHandler implements ResizeHandler {

        public void onResize(ResizeEvent event) {
            if (dock == null)
                return;
            updateCenterSize();
        }
    }

}