Examples with CollectionTreeNodeContentProvider eu.esdihumboldt.hale.ui.util.tree.CollectionTreeNodeContentProvider used on opensource projects

Example 1 with CollectionTreeNodeContentProvider

use of eu.esdihumboldt.hale.ui.util.tree.CollectionTreeNodeContentProvider in project hale by halestudio.

the class TaskTreeView method createPartControl.

/**
 * @see WorkbenchPart#createPartControl(Composite)
 */
@Override
public void createPartControl(Composite parent) {
    Composite page = new Composite(parent, SWT.NONE);
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    page.setLayoutData(data);
    // tree column layout
    TreeColumnLayout layout = new TreeColumnLayout();
    page.setLayout(layout);
    // tree viewer
    tree = new TreeViewer(page, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
    tree.setContentProvider(new CollectionTreeNodeContentProvider());
    tree.setUseHashlookup(true);
    tree.getTree().setHeaderVisible(true);
    tree.getTree().setLinesVisible(true);
    tree.setComparator(new TaskTreeComparator());
    taskService = HaleUI.getServiceProvider().getService(TaskService.class);
    // columns
    IColorProvider colorProvider = new TaskColorProvider(Display.getCurrent());
    // title/description
    TreeViewerColumn description = new TreeViewerColumn(tree, SWT.LEFT);
    description.getColumn().setText(Messages.TaskTreeView_TitleDescriptionText);
    description.getColumn().setToolTipText(Messages.TaskTreeView_description_tooltip);
    TreeColumnViewerLabelProvider descriptionLabelProvider = new TreeColumnViewerLabelProvider(new TaskDescriptionLabelProvider(0));
    descriptionLabelProvider.setProviders(colorProvider);
    description.setLabelProvider(descriptionLabelProvider);
    description.setEditingSupport(new ReadOnlyEditingSupport(tree, descriptionLabelProvider));
    layout.setColumnData(description.getColumn(), new ColumnWeightData(4));
    // number of tasks
    TreeViewerColumn number = new TreeViewerColumn(tree, SWT.RIGHT);
    // $NON-NLS-1$
    number.getColumn().setText("#");
    number.getColumn().setToolTipText(Messages.TaskTreeView_NumberText);
    TreeColumnViewerLabelProvider numberLabelProvider = new TreeColumnViewerLabelProvider(new TaskCountLabelProvider(0));
    numberLabelProvider.setProviders(colorProvider);
    number.setLabelProvider(numberLabelProvider);
    layout.setColumnData(number.getColumn(), new ColumnWeightData(0, 48));
    // user data: status
    TreeViewerColumn status = new TreeViewerColumn(tree, SWT.LEFT);
    status.getColumn().setText(Messages.TaskTreeView_StatusText);
    TreeColumnViewerLabelProvider statusLabelProvider = new TreeColumnViewerLabelProvider(new TaskStatusLabelProvider(0));
    statusLabelProvider.setProviders(colorProvider);
    status.setLabelProvider(statusLabelProvider);
    layout.setColumnData(status.getColumn(), new ColumnWeightData(1));
    status.setEditingSupport(new TaskStatusEditingSupport(tree, taskService));
    // user data: comment
    // TreeViewerColumn comment = new TreeViewerColumn(tree, SWT.LEFT);
    // comment.getColumn().setText(Messages.TaskTreeView_CommentText);
    // TreeColumnViewerLabelProvider commentLabelProvider = new TreeColumnViewerLabelProvider(
    // new TaskCommentLabelProvider(0));
    // commentLabelProvider.setProviders(colorProvider);
    // comment.setLabelProvider(commentLabelProvider);
    // layout.setColumnData(comment.getColumn(), new ColumnWeightData(4));
    // comment.setEditingSupport(new TaskCommentEditingSupport(tree, taskService));
    // listeners
    taskService.addListener(taskListener = new TaskServiceAdapter() {

        @Override
        public void tasksRemoved(final Iterable<Task<?>> tasks) {
            if (Display.getCurrent() != null) {
                removeTasks(tasks);
            } else {
                final Display display = PlatformUI.getWorkbench().getDisplay();
                display.syncExec(new Runnable() {

                    @Override
                    public void run() {
                        removeTasks(tasks);
                    }
                });
            }
        }

        @Override
        public void tasksAdded(final Iterable<Task<?>> tasks) {
            if (Display.getCurrent() != null) {
                addTasks(tasks);
            } else {
                final Display display = PlatformUI.getWorkbench().getDisplay();
                display.syncExec(new Runnable() {

                    @Override
                    public void run() {
                        addTasks(tasks);
                    }
                });
            }
        }

        @Override
        public void taskUserDataChanged(final ResolvedTask<?> task) {
            if (Display.getCurrent() != null) {
                updateNode(task);
            } else {
                final Display display = PlatformUI.getWorkbench().getDisplay();
                display.syncExec(new Runnable() {

                    @Override
                    public void run() {
                        updateNode(task);
                    }
                });
            }
        }
    });
    getSite().getWorkbenchWindow().getSelectionService().addPostSelectionListener(selectionListener = new ISelectionListener() {

        @Override
        public void selectionChanged(IWorkbenchPart part, ISelection selection) {
            if (!(part instanceof PropertiesViewPart)) {
                // selections
                return;
            }
            if (part != TaskTreeView.this) {
                update(selection);
            }
        }
    });
    createInput();
    configureActions();
    // interaction
    tree.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent event) {
            ISelection selection = event.getSelection();
            if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
                Object selected = ((IStructuredSelection) selection).getFirstElement();
                if (selected instanceof TreeNode) {
                    // determine value
                    Object tmp = ((TreeNode) selected).getValue();
                    Object value;
                    if (tmp.getClass().isArray()) {
                        value = ((Object[]) tmp)[0];
                    } else {
                        value = tmp;
                    }
                    if (value instanceof Task) {
                        // node is task node
                        Task<?> task = (Task<?>) value;
                        onDoubleClick(task.getMainContext());
                    } else if (value instanceof Cell) {
                        onDoubleClick(value);
                    }
                }
            }
        }
    });
}