tmf: Update copyright headers in tmf.ui

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / project / model / TmfExperimentElement.java

/*******************************************************************************
 * Copyright (c) 2010, 2013 Ericsson
 *
 * 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:
 *   Francois Chouinard - Initial API and implementation
 *******************************************************************************/

package org.eclipse.linuxtools.tmf.ui.project.model;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.linuxtools.tmf.core.TmfCommonConstants;
import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertySource2;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;

/**
 * Implementation of TMF Experiment Model Element.
 * <p>
 * @version 1.0
 * @author Francois Chouinard
 *
 */
public class TmfExperimentElement extends TmfWithFolderElement implements IPropertySource2 {

    // ------------------------------------------------------------------------
    // Constants
    // ------------------------------------------------------------------------

    // Property View stuff
    private static final String sfInfoCategory = "Info"; //$NON-NLS-1$
    private static final String sfName = "name"; //$NON-NLS-1$
    private static final String sfPath = "path"; //$NON-NLS-1$
    private static final String sfLocation = "location"; //$NON-NLS-1$
    private static final String sfFolderSuffix = "_exp"; //$NON-NLS-1$

    private static final TextPropertyDescriptor sfNameDescriptor = new TextPropertyDescriptor(sfName, sfName);
    private static final TextPropertyDescriptor sfPathDescriptor = new TextPropertyDescriptor(sfPath, sfPath);
    private static final TextPropertyDescriptor sfLocationDescriptor = new TextPropertyDescriptor(sfLocation,
            sfLocation);

    private static final IPropertyDescriptor[] sfDescriptors = { sfNameDescriptor, sfPathDescriptor,
            sfLocationDescriptor };

    static {
        sfNameDescriptor.setCategory(sfInfoCategory);
        sfPathDescriptor.setCategory(sfInfoCategory);
        sfLocationDescriptor.setCategory(sfInfoCategory);
    }

    private static final String BOOKMARKS_HIDDEN_FILE = ".bookmarks"; //$NON-NLS-1$

    // ------------------------------------------------------------------------
    // Constructors
    // ------------------------------------------------------------------------
    /**
     * Constructor
     * @param name The name of the experiment
     * @param folder The folder reference
     * @param parent The experiment folder reference.
     */
    public TmfExperimentElement(String name, IFolder folder, TmfExperimentFolder parent) {
        super(name, folder, parent);
        parent.addChild(this);
    }

    // ------------------------------------------------------------------------
    // TmfProjectModelElement
    // ------------------------------------------------------------------------

    /*
     * (non-Javadoc)
     * @see org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectModelElement#getResource()
     */
    @Override
    public IFolder getResource() {
        return (IFolder) fResource;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.linuxtools.tmf.ui.project.model.ITmfProjectModelElement#getProject()
     */
    @Override
    public TmfProjectElement getProject() {
        return (TmfProjectElement) getParent().getParent();
    }

    // ------------------------------------------------------------------------
    // Operations
    // ------------------------------------------------------------------------
    /**
     * Returns a list of TmfTraceElements contained in this experiment.
     * @return a list of TmfTraceElements
     */
    public List<TmfTraceElement> getTraces() {
        List<ITmfProjectModelElement> children = getChildren();
        List<TmfTraceElement> traces = new ArrayList<TmfTraceElement>();
        for (ITmfProjectModelElement child : children) {
            if (child instanceof TmfTraceElement) {
                traces.add((TmfTraceElement) child);
            }
        }
        return traces;
    }

    /**
     * Returns the file resource used to store bookmarks after creating it if necessary.
     * The file will be created if it does not exist.
     * @return the bookmarks file
     * @throws CoreException if the bookmarks file cannot be created
     * @since 2.0
     */
    public IFile createBookmarksFile() throws CoreException {
        IFile file = getBookmarksFile();
        if (!file.exists()) {
            final IFile bookmarksFile = getProject().getExperimentsFolder().getResource().getFile(BOOKMARKS_HIDDEN_FILE);
            if (!bookmarksFile.exists()) {
                final InputStream source = new ByteArrayInputStream(new byte[0]);
                bookmarksFile.create(source, true, null);
            }
            bookmarksFile.setHidden(true);
            file.createLink(bookmarksFile.getLocation(), IResource.REPLACE, null);
            file.setHidden(true);
            file.setPersistentProperty(TmfCommonConstants.TRACETYPE, TmfExperiment.class.getCanonicalName());
        }
        return file;
    }

    /**
     * Returns the file resource used to store bookmarks.
     * The file may not exist.
     * @return the bookmarks file
     * @since 2.0
     */
    public IFile getBookmarksFile() {
        final IFolder folder = (IFolder) fResource;
        IFile file = folder.getFile(getName() + '_');
        return file;
    }

    // ------------------------------------------------------------------------
    // IPropertySource2
    // ------------------------------------------------------------------------

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource#getEditableValue()
     */
    @Override
    public Object getEditableValue() {
        return null;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource#getPropertyDescriptors()
     */
    @Override
    public IPropertyDescriptor[] getPropertyDescriptors() {
        return Arrays.copyOf(sfDescriptors, sfDescriptors.length);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource#getPropertyValue(java.lang.Object)
     */
    @Override
    public Object getPropertyValue(Object id) {

        if (sfName.equals(id)) {
            return getName();
        }

        if (sfPath.equals(id)) {
            return getPath().toString();
        }

        if (sfLocation.equals(id)) {
            return getLocation().toString();
        }

        return null;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource#resetPropertyValue(java.lang.Object)
     */
    @Override
    public void resetPropertyValue(Object id) {
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource#setPropertyValue(java.lang.Object, java.lang.Object)
     */
    @Override
    public void setPropertyValue(Object id, Object value) {
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource2#isPropertyResettable(java.lang.Object)
     */
    @Override
    public boolean isPropertyResettable(Object id) {
        return false;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.views.properties.IPropertySource2#isPropertySet(java.lang.Object)
     */
    @Override
    public boolean isPropertySet(Object id) {
        return false;
    }

    /**
     * Return the suffix for resource names
     * @return The folder suffix
     */
    @Override
    public String getSuffix() {
        return sfFolderSuffix;
    }

}