org.eclipse.mylyn.internal.jira.ui.JiraIssueContentOutlinePage.java Source code

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Here is the source code for org.eclipse.mylyn.internal.jira.ui.JiraIssueContentOutlinePage.java

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/*******************************************************************************
 * Copyright (c) 2006 Jira Dashboard project.
 * 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:
 *    Brock Janiczak - initial API and implementation
 *******************************************************************************/
package org.eclipse.mylyn.internal.jira.ui;

import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.jface.viewers.IOpenListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.OpenEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.mylyn.internal.jira.MylarJiraPlugin;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
import org.tigris.jira.core.model.Comment;
import org.tigris.jira.core.model.Issue;

/**
 * @author Brock Janiczak
 */
public class JiraIssueContentOutlinePage extends ContentOutlinePage {

    private static final DateFormat DATE_FORMAT = DateFormat.getDateTimeInstance(DateFormat.SHORT,
            DateFormat.SHORT);

    private final Issue issue;

    private Image commentImage;
    private Image jiraImage;

    private final JiraTaskEditor editor;

    public JiraIssueContentOutlinePage(Issue issue) {
        this(null, issue);
    }

    public JiraIssueContentOutlinePage(JiraTaskEditor editor, Issue issue) {
        this.editor = editor;
        this.issue = issue;
        commentImage = MylarJiraPlugin.getDefault().getImageRegistry().get("icons/obj16/comment.gif");
        jiraImage = MylarJiraPlugin.getDefault().getImageRegistry().get("icons/obj16/jira.png");
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.views.contentoutline.ContentOutlinePage#createControl(org.eclipse.swt.widgets.Composite)
     */
    public void createControl(Composite parent) {
        super.createControl(parent);

        TreeViewer treeViewer = getTreeViewer();

        treeViewer.setContentProvider(new ITreeContentProvider() {

            public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            }

            public void dispose() {
            }

            public Object[] getElements(Object inputElement) {
                List<Object> elements = new ArrayList<Object>();
                elements.add(issue.getSummary());
                elements.addAll(Arrays.asList(issue.getComments()));

                // root elements are summary, environment, description and "comments"

                return elements.toArray();
            }

            public boolean hasChildren(Object element) {
                // "comments" has children
                return false;
            }

            public Object getParent(Object element) {
                return null;
            }

            public Object[] getChildren(Object parentElement) {
                // Get all of the comments from the comment list
                return new Object[0];
            }

        });
        treeViewer.setLabelProvider(new LabelProvider() {

            public String getText(Object element) {
                if (element instanceof Comment) {
                    Comment comment = (Comment) element;
                    return DATE_FORMAT.format(comment.getCreated()) + " " + comment.getAuthor();
                }
                return super.getText(element);
            }

            public Image getImage(Object element) {
                if (element instanceof Comment) {
                    return commentImage;
                } else {
                    // TODO the summary should be a placeholder object
                    return jiraImage;
                }
            }

        });

        treeViewer.addOpenListener(new IOpenListener() {

            public void open(OpenEvent event) {
                if (editor == null) {
                    return;
                }

                Object selection = ((IStructuredSelection) event.getSelection()).getFirstElement();
                if (selection instanceof Comment) {
                    editor.revealComment((Comment) selection);
                }
            }

        });
        treeViewer.setInput(issue);
    }

}