org.eclipse.m2e.editor.xml.internal.lifecycle.LifecycleMappingDialog.java Source code

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Here is the source code for org.eclipse.m2e.editor.xml.internal.lifecycle.LifecycleMappingDialog.java

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/*******************************************************************************
 * Copyright (c) 2011 Sonatype, Inc.
 * 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:
 *      Sonatype, Inc. - initial API and implementation
 *******************************************************************************/

package org.eclipse.m2e.editor.xml.internal.lifecycle;

import java.io.File;
import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;

import org.apache.maven.model.InputLocation;
import org.apache.maven.model.Plugin;
import org.apache.maven.project.MavenProject;

import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.internal.M2EUtils;
import org.eclipse.m2e.core.project.IMavenProjectFacade;
import org.eclipse.m2e.core.ui.internal.components.PomHierarchyComposite;

@SuppressWarnings("restriction")
public class LifecycleMappingDialog extends Dialog implements ISelectionChangedListener {

    private PomHierarchyComposite pomComposite;

    private CLabel status;

    private IFile pomFile;

    private IMavenProjectFacade facade;

    private String pluginGroupId;

    private String pluginArtifactId;

    private String pluginVersion;

    private String goal;

    private MavenProject pluginProject;

    public LifecycleMappingDialog(Shell parentShell, IFile pom, String pluginGroupId, String pluginArtifactId,
            String pluginVersion, String goal) {
        super(parentShell);
        facade = MavenPlugin.getMavenProjectRegistry().create(pom, true, new NullProgressMonitor());
        this.pluginGroupId = pluginGroupId;
        this.pluginArtifactId = pluginArtifactId;
        this.pluginVersion = pluginVersion;
        this.goal = goal;
    }

    @Override
    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText(NLS.bind("Ignore {0}", goal));
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);
        Label label = new Label(container, SWT.NONE);
        label.setText("Select location to place ignore");
        pomComposite = new PomHierarchyComposite(container, SWT.BORDER);
        pomComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        pomComposite.addSelectionChangedListener(this);
        pomComposite.computeHeirarchy(facade, new IRunnableContext() {

            public void run(boolean fork, boolean cancelable, IRunnableWithProgress runnable)
                    throws InvocationTargetException, InterruptedException {
                runnable.run(new NullProgressMonitor());
            }
        });
        status = new CLabel(container, SWT.WRAP);
        status.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, true, false));

        pluginProject = locatePlugin();
        return container;
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        super.createButtonsForButtonBar(parent);
        getButton(OK).setEnabled(false);
        //350439
        //set selection here, because we listen on changes and update the ok button.
        //but the button is not created until super is called here..
        if (pluginProject != null) {
            pomComposite.setSelection(new StructuredSelection(pluginProject));
        }
    }

    public void selectionChanged(SelectionChangedEvent event) {
        MavenProject project = pomComposite.fromSelection();
        if (getButton(OK) != null) {
            getButton(OK).setEnabled(project != null && project.getFile() != null);
        }
        updateStatus(project);
    }

    private void updateStatus(MavenProject project) {
        if (project.getFile() == null) {
            status.setText("Non-workspace pom");
            status.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJS_ERROR_TSK));
        } else if (project.equals(pluginProject)) {
            status.setText("Plugin definition in selected pom.");
            status.setImage(null);
        } else {
            status.setText("");
            status.setImage(null);
        }
    }

    @Override
    protected void okPressed() {
        pomFile = M2EUtils.getPomFile(pomComposite.fromSelection());
        super.okPressed();
    }

    /*
     * Should only be called after dialog has closed with OK return code 
     */
    public IFile getPomFile() {
        return pomFile;
    }

    private MavenProject locatePlugin() {
        MavenProject project = facade.getMavenProject(); // if we got here, facade.getMavenProject cannot be null

        Plugin plugin = project.getPlugin(pluginGroupId + ":" + pluginArtifactId);

        if (plugin == null) {
            return null; // can't really happy
        }

        InputLocation location = plugin.getLocation("");

        if (location == null || location.getSource() == null || location.getSource().getLocation() == null) {
            // that's odd. where does this come from???
            return null;
        }

        File basedir = new File(location.getSource().getLocation()).getParentFile(); // should be canonical file already
        for (MavenProject other : pomComposite.getHierarchy()) {
            if (basedir.equals(other.getBasedir())) {
                return other;
            }
        }

        return null;
    }
}