org.semanticsoft.vaaclipse.presentation.renderers.ToolControlRenderer.java Source code

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Here is the source code for org.semanticsoft.vaaclipse.presentation.renderers.ToolControlRenderer.java

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/*******************************************************************************
 * Copyright (c) 2012 Rushan R. Gilmullin and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Rushan R. Gilmullin - initial API and implementation
 *******************************************************************************/

package org.semanticsoft.vaaclipse.presentation.renderers;

import javax.inject.Inject;

import org.eclipse.e4.core.contexts.EclipseContextFactory;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.services.contributions.IContributionFactory;
import org.eclipse.e4.ui.model.application.ui.MElementContainer;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.SideValue;
import org.eclipse.e4.ui.model.application.ui.basic.MTrimBar;
import org.eclipse.e4.ui.model.application.ui.menu.MToolControl;
import org.eclipse.e4.ui.workbench.modeling.EModelService;
import org.semanticsoft.vaaclipse.presentation.utils.GuiUtils;

import com.vaadin.ui.Component;
import com.vaadin.ui.ComponentContainer;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;

/**
 * Create a contribute part.
 */
public class ToolControlRenderer extends VaadinRenderer {

    @Inject
    EModelService modelService;

    public void createWidget(MUIElement element, MElementContainer<MUIElement> parent) {
        if (!(element instanceof MToolControl))
            return;

        MToolControl toolControl = (MToolControl) element;

        ComponentContainer toolControlContainer;
        if ((MElementContainer<?>) element.getParent() instanceof MTrimBar) {
            MTrimBar trimBar = (MTrimBar) (MElementContainer<?>) element.getParent();
            if (trimBar.getSide() == SideValue.LEFT || trimBar.getSide() == SideValue.RIGHT)
                toolControlContainer = new VerticalLayout();
            else
                toolControlContainer = new HorizontalLayout();
            //add the drag handler (separator)
            toolControlContainer.addComponent(GuiUtils.createSeparator(toolControl));
        } else
            toolControlContainer = new VerticalLayout();

        IEclipseContext parentContext = modelService.getContainingContext(element);

        // Create a context just to contain the parameters for injection
        IContributionFactory contributionFactory = parentContext.get(IContributionFactory.class);

        IEclipseContext localContext = EclipseContextFactory.create();

        localContext.set(Component.class, toolControlContainer);
        localContext.set(ComponentContainer.class, toolControlContainer);
        localContext.set(MToolControl.class, toolControl);

        Object tcImpl = contributionFactory.create(toolControl.getContributionURI(), parentContext, localContext);
        toolControl.setObject(tcImpl);

        for (String css : toolControl.getTags()) {
            toolControlContainer.addStyleName(css);
        }

        toolControl.setWidget(toolControlContainer);
    }

}