ilarkesto.gwt.client.desktop.ASidebarWidget.java Source code

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Here is the source code for ilarkesto.gwt.client.desktop.ASidebarWidget.java

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/*
 * Copyright 2011 Witoslaw Koczewsi <wi@koczewski.de>
 * 
 * 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 Affero General Public License along with this program. If not,
 * see <http://www.gnu.org/licenses/>.
 */
package ilarkesto.gwt.client.desktop;

import ilarkesto.gwt.client.AAction;
import ilarkesto.gwt.client.Updatable;

import com.google.gwt.dom.client.Style;
import com.google.gwt.dom.client.Style.Display;
import com.google.gwt.dom.client.Style.Position;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

public class ASidebarWidget implements IsWidget, Updatable {

    private static final int WIDTH = 180;

    private FlowPanel container = new FlowPanel();
    private SimplePanel wrapper = new SimplePanel(container);

    @Override
    public final Updatable update() {
        container.clear();
        container.getElement().getStyle().setWidth(WIDTH - (Widgets.defaultSpacing * 2), Unit.PX);
        container.getElement().getStyle().setHeight(100, Unit.PCT);
        container.getElement().getStyle().setPosition(Position.FIXED);
        container.getElement().getStyle().setPadding(Widgets.defaultSpacing, Unit.PX);

        wrapper.getElement().setId("SidebarWidget");
        Style style = wrapper.getElement().getStyle();
        style.setWidth(WIDTH, Unit.PX);
        style.setHeight(100, Unit.PCT);
        style.setDisplay(Display.NONE);

        onUpdate();
        return this;
    }

    protected void onUpdate() {
    }

    protected void add(AAction action) {
        ActionButton button = new ActionButton(action).setWidth100();
        SimplePanel buttonWrapper = new SimplePanel(button.asWidget());
        container.add(buttonWrapper);
        container.add(Widgets.verticalSpacer());
    }

    protected void addSpacer() {
        container.add(Widgets.verticalSpacer(Widgets.defaultSpacing * 3));
    }

    @Override
    public Widget asWidget() {
        return wrapper;
    }

    public void toggle() {
        if (Style.Display.BLOCK.getCssName().equals(wrapper.getElement().getStyle().getDisplay())) {
            hide();
        } else {
            show();
        }
    }

    public void show() {
        update();
        wrapper.getElement().getStyle().setDisplay(Display.BLOCK);
    }

    public void hide() {
        wrapper.getElement().getStyle().setDisplay(Display.NONE);
    }

}