com.collabnet.subversion.merge.actions.DeleteMergeOutputAction.java Source code

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Here is the source code for com.collabnet.subversion.merge.actions.DeleteMergeOutputAction.java

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/*******************************************************************************
 * Copyright (c) 2009 CollabNet.
 * 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:
 *     CollabNet - initial API and implementation
 ******************************************************************************/
package com.collabnet.subversion.merge.actions;

import java.util.ArrayList;
import java.util.Iterator;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.actions.ActionDelegate;

import com.collabnet.subversion.merge.MergeOutput;
import com.collabnet.subversion.merge.Messages;
import com.collabnet.subversion.merge.views.MergeResultsView;

public class DeleteMergeOutputAction extends ActionDelegate {
    private IStructuredSelection fSelection;

    public void run(IAction action) {
        ArrayList deletions = new ArrayList();
        Iterator iter = fSelection.iterator();
        while (iter.hasNext()) {
            Object object = iter.next();
            if (object instanceof MergeOutput) {
                deletions.add(object);
            }
        }
        if (deletions.size() == 0)
            return;
        String message;
        if (deletions.size() == 1) {
            MergeOutput mergeOutput = (MergeOutput) deletions.get(0);
            message = Messages.DeleteMergeOutputAction_confirm + mergeOutput.getEditableValue() + "'?"; //$NON-NLS-1$
        } else {
            message = Messages.DeleteMergeOutputAction_confirmMultiple + deletions.size()
                    + Messages.DeleteMergeOutputAction_confirmMultiple2;
        }
        if (!MessageDialog.openConfirm(Display.getCurrent().getActiveShell(),
                Messages.DeleteMergeOutputAction_title, message))
            return;
        iter = deletions.iterator();
        while (iter.hasNext()) {
            MergeOutput mergeOutput = (MergeOutput) iter.next();
            mergeOutput.delete();
        }
        if (MergeResultsView.getView() != null)
            MergeResultsView.getView().refresh();
    }

    public void selectionChanged(IAction action, ISelection sel) {
        if (sel instanceof IStructuredSelection) {
            fSelection = (IStructuredSelection) sel;
        }
    }
}