ilarkesto.gwt.client.SwitcherWidget.java Source code

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

Source

/*
 * 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.user.client.Window;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;

public class SwitcherWidget extends AWidget {

    private Widget currentWidget;
    private boolean height100;

    public SwitcherWidget(boolean height100) {
        this.height100 = height100;
    }

    @Override
    protected final Widget onInitialization() {
        if (height100)
            setHeight100();
        return new Label("Empty SwitcherWidget");
    }

    public <W extends Widget> W show(W widget) {
        if (currentWidget == widget)
            return widget;
        currentWidget = widget;
        replaceContent(currentWidget);
        update();
        Window.scrollTo(0, 0);
        return widget;
    }

    public boolean isShowing(Widget widget) {
        return currentWidget == widget;
    }

    public Widget getCurrentWidget() {
        return currentWidget;
    }

    @Override
    public String toString() {
        return "SwitcherWidget(" + Gwt.toString(currentWidget) + ")";
    }

}