com.vectrace.MercurialEclipse.actions.MergeWithCurrentChangesetAction.java Source code

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Here is the source code for com.vectrace.MercurialEclipse.actions.MergeWithCurrentChangesetAction.java

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/*******************************************************************************
 * Copyright (c) 2005-2010 VecTrace (Zingo Andersen) 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:
 * Bastian   implementation
 *******************************************************************************/
package com.vectrace.MercurialEclipse.actions;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.widgets.Shell;

import com.vectrace.MercurialEclipse.MercurialEclipsePlugin;
import com.vectrace.MercurialEclipse.SafeUiJob;
import com.vectrace.MercurialEclipse.SafeWorkspaceJob;
import com.vectrace.MercurialEclipse.commands.HgStatusClient;
import com.vectrace.MercurialEclipse.history.MercurialHistoryPage;
import com.vectrace.MercurialEclipse.history.MercurialRevision;
import com.vectrace.MercurialEclipse.menu.MergeHandler;
import com.vectrace.MercurialEclipse.model.ChangeSet;
import com.vectrace.MercurialEclipse.model.HgRoot;

/**
 * @author Bastian
 *
 */
public class MergeWithCurrentChangesetAction extends Action {
    private final MercurialHistoryPage mhp;
    private static final ImageDescriptor IMAGE_DESC = MercurialEclipsePlugin
            .getImageDescriptor("actions/merge.gif"); //$NON-NLS-1$

    /**
     *
     */
    public MergeWithCurrentChangesetAction(MercurialHistoryPage mhp) {
        super(Messages.getString("MergeWithCurrentChangesetAction.mergeSelectedChangesetWithCurrentChangeset"), //$NON-NLS-1$
                IMAGE_DESC);
        this.mhp = mhp;
    }

    @Override
    public void run() {
        final MercurialRevision rev = getRevision();
        new SafeWorkspaceJob(Messages.getString("MergeWithCurrentChangesetAction.0") + rev.getContentIdentifier() //$NON-NLS-1$
                + Messages.getString("MergeWithCurrentChangesetAction.1")) { //$NON-NLS-1$
            @Override
            protected org.eclipse.core.runtime.IStatus runSafe(org.eclipse.core.runtime.IProgressMonitor monitor) {
                try {
                    monitor.beginTask(
                            Messages.getString("MergeWithCurrentChangesetAction.2") + rev.getContentIdentifier() //$NON-NLS-1$
                                    + Messages.getString("MergeWithCurrentChangesetAction.3"), //$NON-NLS-1$
                            3);
                    monitor.subTask(Messages.getString("MergeWithCurrentChangesetAction.4")); //$NON-NLS-1$
                    final HgRoot root = rev.getHgRoot();
                    if (root == null) {
                        MercurialEclipsePlugin.logError(new IllegalStateException("Hg root not found for: " + rev));
                        return Status.CANCEL_STATUS;
                    }
                    monitor.worked(1);
                    monitor.subTask(Messages.getString("MergeWithCurrentChangesetAction.5")); //$NON-NLS-1$
                    new SafeUiJob("Merging...") { //$NON-NLS-1$
                        @Override
                        protected IStatus runSafe(IProgressMonitor m) {
                            Shell activeShell = getDisplay().getActiveShell();
                            try {
                                if (HgStatusClient.isDirty(root)) {
                                    if (!MessageDialog.openQuestion(activeShell,
                                            Messages.getString("MergeWithCurrentChangesetAction.6"), //$NON-NLS-1$
                                            Messages.getString("MergeWithCurrentChangesetAction.7"))) { //$NON-NLS-1$
                                        return super.runSafe(m);
                                    }
                                }
                                MergeHandler.mergeAndCommit(root, activeShell, m, true, rev.getChangeSet(), true);
                            } catch (Exception e) {
                                MercurialEclipsePlugin.logError(e);
                                MercurialEclipsePlugin.showError(e);
                            }
                            return super.runSafe(m);
                        }
                    }.schedule();
                } catch (Exception e) {
                    MercurialEclipsePlugin.logError(e);
                    MercurialEclipsePlugin.showError(e);
                }
                monitor.done();
                return super.runSafe(monitor);
            }
        }.schedule();
        super.run();
    }

    /**
     * @return
     */
    private MercurialRevision getRevision() {
        MercurialRevision[] selectedRevisions = mhp.getSelectedRevisions();
        if (selectedRevisions != null && selectedRevisions.length == 1) {
            return selectedRevisions[0];
        }
        ChangeSet cs = mhp.getCurrentWorkdirChangeset();
        return (MercurialRevision) mhp.getMercurialHistory().getFileRevision(cs.getNode());
    }
}