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

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Here is the source code for org.semanticsoft.vaaclipse.presentation.renderers.PartRenderer.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 java.util.HashMap;
import java.util.Map;

import javax.inject.Inject;

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.basic.MInputPart;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.model.application.ui.menu.MToolBar;
import org.eclipse.e4.ui.workbench.IPresentationEngine;
import org.semanticsoft.vaaclipse.publicapi.editor.SavePromptSetup;

import com.vaadin.ui.AbstractLayout;
import com.vaadin.ui.Component;
import com.vaadin.ui.ComponentContainer;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.VerticalLayout;

@SuppressWarnings("restriction")
public class PartRenderer extends VaadinRenderer {

    private Map<MPart, SavePromptSetup> savePrompts = new HashMap<MPart, SavePromptSetup>();

    @Inject
    IPresentationEngine renderingEngine;

    public SavePromptSetup getSavePromptSetup(MPart part) {
        return savePrompts.get(part);
    }

    @Override
    public void createWidget(MUIElement element, MElementContainer<MUIElement> parent) {
        VerticalLayout pane = new VerticalLayout();
        pane.setSizeFull();
        final MPart part = (MPart) element;

        CssLayout toolbarArea = new CssLayout();
        toolbarArea.setStyleName("mparttoolbararea");
        toolbarArea.setSizeUndefined();
        toolbarArea.setWidth("100%");
        pane.addComponent(toolbarArea);

        //create toolbar
        MToolBar toolbar = part.getToolbar();
        if (toolbar != null && toolbar.isToBeRendered()) {
            Component toolbarWidget = (Component) renderingEngine.createGui(toolbar);
            ((AbstractLayout) toolbarWidget).setSizeUndefined();
            toolbarWidget.setStyleName("mparttoolbar");
            toolbarArea.addComponent(toolbarWidget);
        }

        VerticalLayout contributionArea = new VerticalLayout();
        contributionArea.setSizeFull();
        pane.addComponent(contributionArea);
        pane.setExpandRatio(contributionArea, 100);

        pane.setStyleName("part");
        element.setWidget(pane);

        IEclipseContext localContext = part.getContext();
        localContext.set(Component.class, contributionArea);
        localContext.set(ComponentContainer.class, contributionArea);
        localContext.set(VerticalLayout.class, contributionArea);
        localContext.set(MPart.class, part);
        SavePromptSetup savePromptProvider = new SavePromptSetup();
        savePrompts.put(part, savePromptProvider);
        localContext.set(SavePromptSetup.class, savePromptProvider);
        if (part instanceof MInputPart)
            localContext.set(MInputPart.class, (MInputPart) part);

        IContributionFactory contributionFactory = (IContributionFactory) localContext
                .get(IContributionFactory.class.getName());
        Object newPart = contributionFactory.create(part.getContributionURI(), localContext);

        part.setObject(newPart);
    }

    @Override
    public void disposeWidget(MUIElement element) {
        this.savePrompts.remove(element);
    }
}