co.fxl.gui.gwt.GWTVerticalPanel.java Source code

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Here is the source code for co.fxl.gui.gwt.GWTVerticalPanel.java

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/**
 * Copyright (c) 2010-2015 Dangelmayr IT GmbH. All rights reserved.
 *  
 * This file is part of FXL GUI API.
 *  
 * FXL GUI API is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *  
 * FXL GUI API 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 General Public License for more details.
 *  
 * You should have received a copy of the GNU General Public License
 * along with FXL GUI API.  If not, see <http://www.gnu.org/licenses/>.
 */
package co.fxl.gui.gwt;

import co.fxl.gui.api.IAlignment;
import co.fxl.gui.api.IVerticalPanel;

import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

class GWTVerticalPanel extends GWTPanel<VerticalPanel, IVerticalPanel> implements IVerticalPanel {

    private boolean stretch = true;

    @SuppressWarnings("unchecked")
    GWTVerticalPanel(GWTContainer<?> container) {
        super((GWTContainer<VerticalPanel>) container);
    }

    @Override
    GWTClickHandler<IVerticalPanel> newGWTClickHandler(IClickListener clickListener) {
        return new GWTClickHandler<IVerticalPanel>(this, clickListener);
    }

    @Override
    public void add(Widget widget) {
        if (stretch && !(widget instanceof HorizontalPanel))
            widget.setWidth("100%");
        if (innerSpace > 0 && container.widget.getWidgetCount() > 0)
            addSpace(innerSpace);
        if (widget instanceof HasVerticalAlignment)
            ((HasVerticalAlignment) widget).setVerticalAlignment(VerticalPanel.ALIGN_TOP);
        container.widget.add(widget);
    }

    @Override
    public IVerticalPanel spacing(int pixel) {
        container.widget.setSpacing(pixel);
        return this;
    }

    @Override
    public IVerticalPanel addSpace(int pixel) {
        if (pixel == 0)
            return this;
        Widget p = new AbsolutePanel();
        p.setSize("1px", pixel + "px");
        container.widget.add(p);
        return this;
    }

    @Override
    public IVerticalPanel stretch(boolean stretch) {
        this.stretch = stretch;
        return this;
    }

    @Override
    public IAlignment<IVerticalPanel> align() {
        return new IAlignment<IVerticalPanel>() {

            @Override
            public IVerticalPanel end() {
                container.widget.setHorizontalAlignment(VerticalPanel.ALIGN_RIGHT);
                return GWTVerticalPanel.this;
            }

            @Override
            public IVerticalPanel center() {
                container.widget.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
                return GWTVerticalPanel.this;
            }

            @Override
            public IVerticalPanel begin() {
                container.widget.setHorizontalAlignment(VerticalPanel.ALIGN_LEFT);
                return GWTVerticalPanel.this;
            }
        };
    }
}