ColocatedRepositoryAction.java :  » IDE-Eclipse » equinox » org » eclipse » equinox » internal » provisional » p2 » ui » actions » Java Open Source

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equinox » org » eclipse » equinox » internal » provisional » p2 » ui » actions » ColocatedRepositoryAction.java
/*******************************************************************************
 * Copyright (c) 2008 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.equinox.internal.provisional.p2.ui.actions;

import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.equinox.internal.p2.ui.model.MetadataRepositoryElement;
import org.eclipse.equinox.internal.provisional.p2.ui.ProvisioningOperationRunner;
import org.eclipse.equinox.internal.provisional.p2.ui.operations.ProvisioningOperation;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.ui.statushandlers.StatusManager;

public abstract class ColocatedRepositoryAction extends ProvisioningAction {

  public ColocatedRepositoryAction(String label, String tooltipText, ISelectionProvider selectionProvider) {
    super(label, selectionProvider);
    setToolTipText(tooltipText);
    init();
  }

  public void run() {
    ProvisioningOperationRunner.schedule(getOperation(), StatusManager.SHOW | StatusManager.LOG);
  }

  protected abstract ProvisioningOperation getOperation();

  protected URI[] getSelectedLocations(Object[] selectionArray) {
    List urls = new ArrayList();
    for (int i = 0; i < selectionArray.length; i++) {
      if (selectionArray[i] instanceof MetadataRepositoryElement)
        urls.add(((MetadataRepositoryElement) selectionArray[i]).getLocation());
    }
    return (URI[]) urls.toArray(new URI[urls.size()]);
  }

  protected void checkEnablement(Object[] selectionArray) {
    setEnabled(getSelectedLocations(selectionArray).length > 0);
  }
}
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