net.sf.eclipsensis.config.NSISConfigWizardNode.java Source code

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Here is the source code for net.sf.eclipsensis.config.NSISConfigWizardNode.java

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/*******************************************************************************
 * Copyright (c) 2004-2010 Sunil Kamath (IcemanK).
 * All rights reserved.
 * This program is made available under the terms of the Common Public License
 * v1.0 which is available at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Contributors:
 *     Sunil Kamath (IcemanK) - initial API and implementation
 *******************************************************************************/
package net.sf.eclipsensis.config;

import net.sf.eclipsensis.EclipseNSISPlugin;
import net.sf.eclipsensis.util.Common;

import org.eclipse.core.runtime.*;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.util.SafeRunnable;
import org.eclipse.jface.wizard.*;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IPluginContribution;

public class NSISConfigWizardNode implements IWizardNode, IPluginContribution {
    private NSISConfigSelectionPage mParentPage;
    private NSISConfigWizardDescriptor mDescriptor;
    protected NSISConfigWizard mWizard;

    public NSISConfigWizardNode(NSISConfigSelectionPage parentPage, NSISConfigWizardDescriptor descriptor) {
        super();
        mParentPage = parentPage;
        mDescriptor = descriptor;
    }

    public void dispose() {
    }

    public Point getExtent() {
        return new Point(-1, -1);
    }

    public IWizard getWizard() {
        if (mWizard != null) {
            return mWizard; // we've already created it
        }

        final NSISConfigWizard[] wizard = new NSISConfigWizard[1];
        final IStatus statuses[] = new IStatus[1];

        Shell shell = mParentPage.getShell();
        BusyIndicator.showWhile(shell.getDisplay(), new Runnable() {
            public void run() {
                SafeRunner.run(new SafeRunnable() {
                    @Override
                    public void handleException(Throwable e) {
                        statuses[0] = new Status(IStatus.ERROR, getPluginId(), IStatus.OK,
                                e.getMessage() == null ? "" : e.getMessage(), e); //$NON-NLS-1$,
                    }

                    public void run() {
                        try {
                            wizard[0] = mDescriptor.createWizard();
                        } catch (CoreException e) {
                            statuses[0] = e.getStatus();
                        }
                    }
                });
            }
        });

        if (statuses[0] != null) {
            mParentPage.setMessage(statuses[0].getMessage(), IMessageProvider.ERROR);
            Common.openError(shell, statuses[0].getMessage(), EclipseNSISPlugin.getShellImage());
            return null;
        }

        mWizard = wizard[0];
        return mWizard;
    }

    public boolean isContentCreated() {
        return mWizard != null;
    }

    public NSISConfigWizardDescriptor getDescriptor() {
        return mDescriptor;
    }

    public String getLocalId() {
        IPluginContribution contribution = (IPluginContribution) mDescriptor.getAdapter(IPluginContribution.class);
        if (contribution != null) {
            return contribution.getLocalId();
        }
        return mDescriptor.getLocalId();
    }

    public String getPluginId() {
        IPluginContribution contribution = (IPluginContribution) mDescriptor.getAdapter(IPluginContribution.class);
        if (contribution != null) {
            return contribution.getPluginId();
        }
        return mDescriptor.getPluginId();
    }
}