fr.lip6.move.coloane.projects.its.actions.FlattenModelAction.java Source code

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Here is the source code for fr.lip6.move.coloane.projects.its.actions.FlattenModelAction.java

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/**
 * Copyright (c) 2006-2010 MoVe - Laboratoire d'Informatique de Paris 6 (LIP6).
 * 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:
 *   Jean-Baptiste VORON (LIP6) - Project Head / Initial contributor
 *   Clment DMOULINS (LIP6) - Project Manager
 *   Yann THIERRY-MIEG (LIP6)
 *
 * Official contacts:
 *   coloane@lip6.fr
 *   http://coloane.lip6.fr
 */
package fr.lip6.move.coloane.projects.its.actions;

import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import fr.lip6.move.coloane.projects.its.ITypeDeclaration;
import fr.lip6.move.coloane.projects.its.plugin.wizards.FlattenNewModelWizard;

import org.eclipse.core.resources.IResource;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.PlatformUI;

/**
 * Class associated with buttons to handle model flattening.
 */
public final class FlattenModelAction extends Action {

    private ITypeDeclaration td;
    private IResource path;

    public FlattenModelAction() {
        setDescription("Flatten a model");
        setText("Flatten Model");
    }

    /**
     * Position the TypeDeclaration we are working with.
     * @param td the TypeDeclaration to set
     */
    public void setTypeDeclaration(ITypeDeclaration td) {
        this.td = td;
    }

    /**
     * @see IActionDelegate#run(IAction) Instantiates the wizard and opens it in
     *      the wizard container
     * {@inheritDoc}
     */
    public void run() {

        // Instantiates and initializes the wizard
        FlattenNewModelWizard wizard = new FlattenNewModelWizard(td);

        SingleSelection<IResource> selectedPath = new SingleSelection<IResource>(path);

        wizard.init(PlatformUI.getWorkbench(), selectedPath);

        // Instantiates the wizard container with the wizard and opens it
        WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                wizard);
        dialog.create();
        dialog.open();
    }

    public void setPath(IResource location) {
        this.path = location;
    }

}

class SingleSelection<T> implements IStructuredSelection {

    private T elt;

    public SingleSelection(T path) {
        this.elt = path;
    }

    public boolean isEmpty() {
        return false;
    }

    public List<T> toList() {
        return Collections.singletonList(elt);
    }

    public Object[] toArray() {
        return toList().toArray();
    }

    public int size() {
        return 1;
    }

    @SuppressWarnings("rawtypes")
    public Iterator iterator() {
        return toList().iterator();
    }

    public Object getFirstElement() {
        return elt;
    }
}