Examples with TreeItem org.eclipse.swt.widgets.TreeItem used on opensource projects

Example 1 with TreeItem

use of org.eclipse.swt.widgets.TreeItem in project cogtool by cogtool.

the class SWTTreeProjectSelectionState method selectItems.

/**
     * Recursively selects all rows in the associated SWT Tree.
     *
     * @param items the next level of children items to select
     */
protected void selectItems(TreeItem[] items) {
    // Select each child item and check if it has child items
    for (TreeItem item : items) {
        addSelectedItem(item);
        // Recursively select any children of the current item
        selectItems(item.getItems());
    }
}

Example 2 with TreeItem

use of org.eclipse.swt.widgets.TreeItem in project cogtool by cogtool.

the class ProjectUI method showContextMenu.

// Override to set the correct context menu on the frame
//    item  item-selected column design  where          selection to use
//(a)  ok        n/a        ok     ok    cell           temporary cell
//(b)  ok        yes        ok    null   task           normal selection
//(c)  ok        no         ok    null   task           temporary task
//(d)  ok        n/a       null    n/a   right of cells temporary task
//(e) null       n/a        ok     ok    design         temporary design
//(f) null       n/a        ok    null   bottom-left    no selection
//(g) null       n/a       null    n/a   bottom-right   no selection
// TODO: dfm -- make the code match the above!!!!!
@Override
public void showContextMenu(int x, int y) {
    // Clear any stale state
    contextSelection.deselectAll();
    // Check which region of the frame was hit
    TreeItem item = tree.getItem(new Point(x, y));
    TreeColumn column = findColumn(x);
    // See if the context invocation was made beyond all designs
    if (column == null) {
        if (item == null) {
            // see (g) above
            showContextMenu();
        } else {
            // see (d) above
            selectOverBox(item.getBounds());
            contextSelection.addSelectedTask((AUndertaking) item.getData());
            showContextMenu(contextSelection, View.CONTEXT);
        }
    } else // If not, the invocation occurred somewhere within the table
    {
        Design design = (Design) column.getData();
        // Detect a context invocation in the table header/footer
        if (item == null) {
            // Detect a context invocation under the "tasks" heading
            if (design == null) {
                // see (f) above
                showContextMenu();
            } else // Otherwise the invocation lies under a design heading
            {
                // see (e) above
                // TODO: Really?  What if something else was selected?
                selectOverBox(computeColumnArea(column));
                contextSelection.setSelectedDesign(design);
                showContextMenu(contextSelection, View.CONTEXT);
            }
        } else // Detect a context invocation inside the table body
        {
            AUndertaking undertaking = (AUndertaking) item.getData();
            // Check for context invocation under the "tasks" column
            if (design == null) {
                // Set up the contextual selection state as necessary
                if (selection.isTaskSelected(undertaking)) {
                    // see (b) above
                    showContextMenu();
                } else {
                    // see (c) above
                    selectOverBox(item.getBounds());
                    contextSelection.addSelectedTask(undertaking);
                    showContextMenu(contextSelection, View.CONTEXT);
                }
            } else // Otherwise at the intersection of a task and a design
            {
                // see (a) above
                selection.setSelectedCell(item, column);
                Rectangle bounds = item.getBounds(tree.indexOf(column));
                if (OSUtils.MACOSX) {
                    // XXX: DIRTY HACK TO fix SWT bug.
                    bounds.y -= 1;
                    bounds.height += 1;
                }
                selectOverBox(bounds);
                // TODO: instead of the following, pass undertaking and
                //       design in to showContextMenuForIntersection()
                Menu contextMenu = view.getContextMenuForIntersection(project, undertaking, design);
                // Set up the contextual selection state as necessary
                contextSelection.setSelectedDesign(design);
                contextSelection.addSelectedTask(undertaking);
                setViewEnabledState(contextSelection, ListenerIdentifierMap.CONTEXT);
                contextMenu.setVisible(true);
            }
        }
    }
}

Example 3 with TreeItem

use of org.eclipse.swt.widgets.TreeItem in project cogtool by cogtool.

the class ProjectUI method commitRenameTask.

// initiateTaskRename
/**
     * Reports a task renaming to the controller.
     * @param item
     */
protected boolean commitRenameTask(boolean activeCommit) {
    boolean success = true;
    if (editor.getEditor() != null) {
        Text text = (Text) editor.getEditor();
        String newName = text.getText();
        TreeItem item = editor.getItem();
        // Get task & parent taskgroup from item, don't use this.selection!
        AUndertaking taskToRename = (AUndertaking) item.getData();
        TreeItem parentItem = item.getParentItem();
        TaskGroup parentGroup = (TaskGroup) ((parentItem != null) ? parentItem.getData() : null);
        cleanupTaskEditor();
        success = performAction((CogToolPref.HCIPA.getBoolean()) ? ProjectLID.HCIPARenameTask : ProjectLID.RenameTask, new ProjectUI.TaskRenameEvent(taskToRename, newName, parentGroup), false);
        if (activeCommit) {
            renameTaskItem = null;
        }
    }
    return success;
}

Example 4 with TreeItem

use of org.eclipse.swt.widgets.TreeItem in project cogtool by cogtool.

the class ProjectMouseState method dealWithMouseDoubleClick.

@Override
protected void dealWithMouseDoubleClick(MouseEvent me) {
    super.dealWithMouseDoubleClick(me);
    TreeItem item = ui.tree.getItem(new Point(me.x, me.y));
    TreeColumn column = ui.findColumn(me.x);
    // check to see if the group visibility should toggle
    if ((item != null) && (column == null)) {
        // Toggle tree expand when a TaskGroup is double-clicked,
        // but not if double-clicking on the first column to edit the name
        AUndertaking u = (AUndertaking) item.getData();
        if (u.isTaskGroup()) {
            item.setExpanded(!item.getExpanded());
        }
    }
    // If on a valid cell, either edit script or open the script viewer
    if ((item != null) && (column != null) && (column.getData() != null)) {
        AUndertaking u = (AUndertaking) item.getData();
        // At the intersection of a task and design
        ProjectContextSelectionState seln = new ProjectContextSelectionState(ui.getProject());
        seln.setSelectedDesign((Design) column.getData());
        seln.addSelectedTask(u);
        if (u.isTaskGroup()) {
            TaskGroup group = (TaskGroup) u;
            if (GroupNature.SUM.equals(group.getNature())) {
                item.setExpanded(true);
                ui.cleanupTaskEditor();
                //TODO: won't work since repaint won't occur until after we're all done.
                ui.performAction(ProjectLID.ViewGroupScript, seln);
            }
        } else {
            ui.cleanupTaskEditor();
            //TODO: won't work since repaint won't occur until after we're all done.
            ui.performAction(ProjectLID.EditScript, seln);
        }
    } else if ((item != null) && (column != null) && (column.getData() == null)) {
        // In a valid row, first column
        if (ui.treeOperationOccurred == 0) {
            ui.initiateTaskRename(item, true);
        }
    }
}

Example 5 with TreeItem

use of org.eclipse.swt.widgets.TreeItem in project cogtool by cogtool.

the class ProjectUIModel method setGroupAlertHandlers.

// populateRow
protected void setGroupAlertHandlers(TaskGroup group, final TreeItem row) {
    AlertHandler handler = new AlertHandler() {

        public void handleAlert(EventObject alert) {
            TaskGroup.TaskChange chg = (TaskGroup.TaskChange) alert;
            if (chg != null) {
                if (chg.isAdd) {
                    TreeItem newRow;
                    if (chg.atIndex == TaskGroup.TaskChange.AT_END) {
                        newRow = new TreeItem(row, SWT.NONE);
                    } else {
                        newRow = new TreeItem(row, SWT.NONE, chg.atIndex);
                    }
                    row.setExpanded(true);
                    populateRow((AUndertaking) chg.element, newRow);
                    redisplayResults(newRow);
                } else {
                    TreeItem rowToDelete = findChildRow((AUndertaking) chg.element, row.getItems());
                    recoverTreeItem(rowToDelete);
                }
            }
        }
    };
    group.addHandler(this, TaskGroup.TaskChange.class, handler);
    handler = new AlertHandler() {

        public void handleAlert(EventObject alert) {
            //                    System.out.println("NatureChange!");
            // walk up the group tree and recalculate
            redisplayResults(row);
        }
    };
    group.addHandler(this, TaskGroup.NatureChange.class, handler);
}