org.eclipse.m2e.core.ui/src/org/eclipse/m2e/core/ui/internal/preferences/LifecycleMappingPropertyPage.java

/*******************************************************************************
 * Copyright (c) 2011, 2018 Sonatype, Inc. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *      Sonatype, Inc. - initial API and implementation
 *      Andrew Eisenberg - adapted for workspace preferences
 *******************************************************************************/

package org.eclipse.m2e.core.ui.internal.preferences;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.dialogs.PropertyPage;

import org.eclipse.m2e.core.ui.internal.Messages;


public class LifecycleMappingPropertyPage extends PropertyPage {

  private LifecycleMappingsViewer mappingsViewer;

  public LifecycleMappingPropertyPage() {
    setMessage(Messages.LifecycleMappingPropertyPage_pageMessage);
    noDefaultAndApplyButton();
    mappingsViewer = new LifecycleMappingsViewer();
  }

  @Override
  public Control createContents(Composite parent) {
    if(!mappingsViewer.isValid()) {
      setErrorMessage(Messages.LifecycleMappingPropertyPage_invalidPom);
      return parent;
    }
    mappingsViewer.setShell(parent.getShell());
    return mappingsViewer.createContents(parent);
  }

  public void setElement(IAdaptable element) {
    super.setElement(element);

    IProject project = getElement().getAdapter(IProject.class);
    if(project != null) {
      mappingsViewer.setTarget(project);
    }
  }

}