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

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Here is the source code for co.fxl.gui.gwt.GWTLayout.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.IAbsolutePanel;
import co.fxl.gui.api.ICardPanel;
import co.fxl.gui.api.IDockPanel;
import co.fxl.gui.api.IFlowPanel;
import co.fxl.gui.api.IFocusPanel;
import co.fxl.gui.api.IGridPanel;
import co.fxl.gui.api.IHorizontalPanel;
import co.fxl.gui.api.ILayout;
import co.fxl.gui.api.IPanelProvider;
import co.fxl.gui.api.IVerticalPanel;

import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.DeckPanel;
import com.google.gwt.user.client.ui.DockPanel;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.Grid;
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 GWTLayout implements ILayout {

    GWTContainer<?> panel;

    GWTLayout(GWTContainer<?> panel) {
        this.panel = panel;
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T plugIn(Class<T> clazz) {
        IPanelProvider<?> provider = GWTDisplay.instance.panelProviders.get(clazz);
        if (provider == null)
            throw new UnsupportedOperationException(clazz.getName());
        return (T) provider.createPanel(panel);
    }

    @Override
    public IDockPanel dock() {
        setComponent(new DockPanel());
        return (IDockPanel) (panel.element = new GWTDockPanel(panel));
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    public final void setComponent(Widget component) {
        if (panel == null)
            throw new UnsupportedOperationException();
        GWTContainer c = (GWTContainer) panel;
        c.setComponent(component);
    }

    @Override
    public IGridPanel grid() {
        setComponent(new Grid());
        return (IGridPanel) (panel.element = new GWTGridPanel(panel));
    }

    @Override
    public IHorizontalPanel horizontal() {
        setComponent(new HorizontalPanel());
        return (IHorizontalPanel) (panel.element = new GWTHorizontalPanel(panel));
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Override
    public IVerticalPanel vertical() {
        Widget component = (Widget) new VerticalPanel();
        if (panel == null)
            throw new UnsupportedOperationException();
        GWTContainer c = (GWTContainer) panel;
        c.setComponent(component);
        return (IVerticalPanel) (panel.element = new GWTVerticalPanel(panel));
    }

    @Override
    public ICardPanel card() {
        setComponent(new DeckPanel());
        return (ICardPanel) (panel.element = new GWTCardPanel(panel));
    }

    @Override
    public IAbsolutePanel absolute() {
        setComponent(new AbsolutePanel());
        return (IAbsolutePanel) (panel.element = new GWTAbsolutePanel(panel));
    }

    @Override
    public IFlowPanel flow() {
        setComponent(new FlowPanel());
        return (IFlowPanel) (panel.element = new GWTFlowPanel(panel));
    }

    @Override
    public IFocusPanel focus() {
        setComponent(new FocusPanel());
        return (IFocusPanel) (panel.element = new GWTFocusPanel(panel));
    }
}