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

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Here is the source code for co.fxl.gui.gwt.GWTHorizontalPanel.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.IHorizontalPanel;

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

class GWTHorizontalPanel extends GWTPanel<HorizontalPanel, IHorizontalPanel> implements IHorizontalPanel {

    @SuppressWarnings("unchecked")
    GWTHorizontalPanel(GWTContainer<?> container) {
        super((GWTContainer<HorizontalPanel>) container);
        widget().setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
        widget().setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
    }

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

    @Override
    public void add(Widget widget) {
        if (innerSpace > 0 && container.widget.getWidgetCount() > 0)
            addSpace(innerSpace);
        if (container.widget.getVerticalAlignment().equals(HorizontalPanel.ALIGN_MIDDLE)
                && widget instanceof HasVerticalAlignment)
            ((HasVerticalAlignment) widget).setVerticalAlignment(container.widget.getVerticalAlignment());
        if (widget instanceof HasHorizontalAlignment)
            ((HasHorizontalAlignment) widget).setHorizontalAlignment(HorizontalPanel.ALIGN_LEFT);
        container.widget.add(widget);
    }

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

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

    @Override
    public IAlignment<IHorizontalPanel> align() {
        return new GWTHorizontalAlignment<IHorizontalPanel>(this, container.widget);
    }

    @Override
    public IAlignment<IHorizontalPanel> valign() {
        return new GWTVerticalAlignment<IHorizontalPanel>(this, container.widget);
    }
}