org.eclipse.team.svn.ui.properties.RevPropertiesView.java Source code

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Here is the source code for org.eclipse.team.svn.ui.properties.RevPropertiesView.java

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/*******************************************************************************
 * Copyright (c) 2005-2008 Polarion Software.
 * 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:
 *    Alexei Goncharov (Polarion Software) - initial API and implementation
 *******************************************************************************/

package org.eclipse.team.svn.ui.properties;

import java.util.ArrayList;
import java.util.Arrays;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.team.svn.core.connector.SVNProperty;
import org.eclipse.team.svn.core.connector.SVNRevision;
import org.eclipse.team.svn.core.operation.AbstractActionOperation;
import org.eclipse.team.svn.core.operation.CompositeOperation;
import org.eclipse.team.svn.core.operation.IActionOperation;
import org.eclipse.team.svn.core.operation.local.property.IRevisionPropertiesProvider;
import org.eclipse.team.svn.core.operation.remote.GetRevisionPropertiesOperation;
import org.eclipse.team.svn.core.resource.IRepositoryLocation;
import org.eclipse.team.svn.core.svnstorage.SVNRemoteStorage;
import org.eclipse.team.svn.core.svnstorage.events.IRepositoriesStateChangedListener;
import org.eclipse.team.svn.core.svnstorage.events.IRevisionPropertyChangeListener;
import org.eclipse.team.svn.core.svnstorage.events.RepositoriesStateChangedEvent;
import org.eclipse.team.svn.core.svnstorage.events.RevisonPropertyChangeEvent;
import org.eclipse.team.svn.ui.SVNTeamUIPlugin;
import org.eclipse.team.svn.ui.SVNUIMessages;
import org.eclipse.team.svn.ui.composite.RevisionPropertiesComposite;
import org.eclipse.team.svn.ui.utility.UIMonitorUtility;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ViewPart;

/**
 * Revision properties view
 * 
 * @author Alexei Goncharov
 */
public class RevPropertiesView extends ViewPart
        implements IRepositoriesStateChangedListener, IRevisionPropertyChangeListener {

    public static final String VIEW_ID = RevPropertiesView.class.getName();

    protected IRepositoryLocation location;
    protected SVNRevision revision;
    protected IRevisionPropertiesProvider provider;
    protected IActionOperation toPerform;
    protected RevisionPropertiesComposite revPropComposite;

    public RevPropertiesView() {
        super();
        SVNRemoteStorage.instance().addRepositoriesStateChangedListener(this);
        SVNRemoteStorage.instance().addRevisionPropertyChangeListener(this);
    }

    public void setLocationAndRevision(IRepositoryLocation location, SVNRevision revision) {
        this.location = location;
        this.revision = revision;
        this.revPropComposite.setLocationAndRevision(location, revision);
        this.refreshView();
    }

    public void refreshView() {
        if (this.location == null || this.revision == null) {
            this.setContentDescription(""); //$NON-NLS-1$
            return;
        }
        this.setContentDescription(SVNUIMessages.format(SVNUIMessages.RevisionPropertyView_Decript,
                new String[] { String.valueOf(this.location), String.valueOf(this.revision) }));
        this.revPropComposite.setPending(true);
        CompositeOperation op = new CompositeOperation("ShowRevProp", SVNUIMessages.class); //$NON-NLS-1$
        op.add((IActionOperation) (this.provider = new GetRevisionPropertiesOperation(this.location,
                this.revision)));
        op.add(new AbstractActionOperation("ShowRevProp", SVNUIMessages.class) { //$NON-NLS-1$
            protected void runImpl(IProgressMonitor monitor) throws Exception {
                RevPropertiesView.this.revPropComposite
                        .setInput(RevPropertiesView.this.provider.getRevisionProperties());
                RevPropertiesView.this.revPropComposite.setPending(false);
            }
        });
        UIMonitorUtility.doTaskScheduledDefault(op);
    }

    public void createPartControl(Composite parent) {
        IToolBarManager tbm = this.getViewSite().getActionBars().getToolBarManager();
        tbm.removeAll();
        Action action = new Action(SVNUIMessages.SVNView_Refresh_Label) {
            public void run() {
                RevPropertiesView.this.refreshView();
            }
        };
        action.setImageDescriptor(SVNTeamUIPlugin.instance().getImageDescriptor("icons/common/refresh.gif")); //$NON-NLS-1$
        tbm.add(action);
        tbm.update(true);

        this.revPropComposite = new RevisionPropertiesComposite(parent);
        this.refreshView();

        //Setting context help
        PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
                "org.eclipse.team.svn.help.revPropertiesViewContext"); //$NON-NLS-1$
    }

    protected void disconnectView() {
        this.location = null;
        this.revision = null;
        this.revPropComposite.setInput(new SVNProperty[0]);
        UIMonitorUtility.getDisplay().syncExec(new Runnable() {
            public void run() {
                RevPropertiesView.this.setContentDescription(""); //$NON-NLS-1$
            }
        });
    }

    public void dispose() {
        SVNRemoteStorage.instance().removeRepositoriesStateChangedListener(this);
        SVNRemoteStorage.instance().removeRevisionPropertyChangeListener(this);
        super.dispose();
    }

    public void setFocus() {
    }

    public void repositoriesStateChanged(RepositoriesStateChangedEvent event) {
        if (event.getLocation().equals(this.location)) {
            if (event.getAction() == RepositoriesStateChangedEvent.REMOVED) {
                RevPropertiesView.this.disconnectView();
            }
        }
    }

    public void revisionPropertyChanged(RevisonPropertyChangeEvent event) {
        if (this.location == null || !this.location.equals(event.getLocation())) {
            return;
        }
        ArrayList<SVNProperty> props = new ArrayList<SVNProperty>(
                Arrays.asList(this.revPropComposite.getSetProps()));
        boolean isNewProp = true;
        for (SVNProperty current : props) {
            if (current.name.equals(event.getProperty().name)) {
                int idx = props.indexOf(current);
                props.set(idx, event.getProperty());
                isNewProp = false;
            }
        }
        if (isNewProp) {
            props.add(event.getProperty());
        }
        final SVNProperty[] toSet = props.toArray(new SVNProperty[props.size()]);
        UIMonitorUtility.getDisplay().syncExec(new Runnable() {
            public void run() {
                RevPropertiesView.this.revPropComposite.setInput(toSet);
            }
        });
    }

}