diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/TreeViewerDropDown.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/TreeViewerDropDown.java | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/TreeViewerDropDown.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/TreeViewerDropDown.java index 365c5a400..2c3afc4a6 100644 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/TreeViewerDropDown.java +++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/breadcrumb/TreeViewerDropDown.java @@ -4,7 +4,7 @@ * 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: * Wind River Systems - initial API and implementation * IBM Corporation - ongoing bug fixes and enhancements @@ -44,22 +44,22 @@ import org.eclipse.swt.widgets.TreeItem; import org.eclipse.ui.progress.UIJob; /** - * A breadcrumb drop-down which shows a tree viewer. It implements mouse and + * A breadcrumb drop-down which shows a tree viewer. It implements mouse and * key listeners to handle selection and expansion behavior of the viewer. - * This class needs to be extended to implement - * {@link #createTreeViewer(Composite, int, TreePath)} to instantiate the - * concrete {@link TreeViewer} object. - * + * This class needs to be extended to implement + * {@link #createTreeViewer(Composite, int, TreePath)} to instantiate the + * concrete {@link TreeViewer} object. + * * @since 3.5 */ public abstract class TreeViewerDropDown { - + /** - * Delay to control scrolling when the mouse pointer reaches the edge of - * the tree viewer. + * Delay to control scrolling when the mouse pointer reaches the edge of + * the tree viewer. */ private static long MOUSE_MOVE_SCROLL_DELAY = 500; - + /** * The breadcrumb site in which the viewer is created. */ @@ -72,16 +72,16 @@ public abstract class TreeViewerDropDown { /** * Creates the viewer and installs the listeners. - * + * * @param composite Parent control of the viewer. * @param site Breadcrumb site for the viewer. * @param path Path to the element for which the drop-down is being opened. * @return The control created for the viewer. */ public Control createDropDown(Composite composite, IBreadcrumbDropDownSite site, TreePath path) { - + fDropDownSite = site; - fDropDownViewer= createTreeViewer(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL, path); + fDropDownViewer= createTreeViewer(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL, path); fDropDownViewer.addOpenListener(new IOpenListener() { @Override @@ -92,9 +92,9 @@ public abstract class TreeViewerDropDown { openElement(event.getSelection()); } }); - + final Tree tree = fDropDownViewer.getTree(); - + tree.addMouseListener(new MouseListener() { @Override public void mouseUp(MouseEvent e) { @@ -123,7 +123,7 @@ public abstract class TreeViewerDropDown { pathElements.add(0, data); item = item.getParentItem(); } - + openElement(new TreeSelection(new TreePath(pathElements.toArray()))); } @@ -154,7 +154,7 @@ public abstract class TreeViewerDropDown { fLastItem= (TreeItem) o; tree.setSelection(new TreeItem[] { fLastItem }); } else if (System.currentTimeMillis() > (fLastScrollTime + MOUSE_MOVE_SCROLL_DELAY)) { - if (e.y < tree.getItemHeight() / 4) + if (e.y < tree.getItemHeight() / 4) { // Scroll up if (currentItem.getParentItem() == null) { @@ -162,7 +162,7 @@ public abstract class TreeViewerDropDown { if (index < 1) { return; } - + fLastItem= tree.getItem(index - 1); tree.setSelection(new TreeItem[] { fLastItem }); } else { @@ -181,7 +181,7 @@ public abstract class TreeViewerDropDown { if (index >= tree.getItemCount() - 1) { return; } - + fLastItem= tree.getItem(index + 1); tree.setSelection(new TreeItem[] { fLastItem }); } else { @@ -211,7 +211,7 @@ public abstract class TreeViewerDropDown { fDropDownSite.close(); return; } - + TreeItem[] selection= tree.getSelection(); if (selection.length != 1) { return; @@ -254,28 +254,28 @@ public abstract class TreeViewerDropDown { } }.schedule(); } - + }); return tree; } - + /** * Creates and returns the tree viewer. - * + * * @param composite Parent control of the viewer. * @param style Style flags to use in creating the tree viewer. * @param path Path to the element for which the drop-down is being opened. * @return The newly created tree viewer. */ protected abstract TreeViewer createTreeViewer(Composite composite, int style, TreePath path); - + /** - * Called when the given element was selected in the viewer. It causes the - * breadcrumb viewer to fire an opened event. If the viewer loses focus - * as a result of the open operation, then the drop-down is closed. + * Called when the given element was selected in the viewer. It causes the + * breadcrumb viewer to fire an opened event. If the viewer loses focus + * as a result of the open operation, then the drop-down is closed. * Otherwise the selected element is expanded. - * + * * @param selection The selection to open. */ protected void openElement(ISelection selection) { @@ -287,7 +287,7 @@ public abstract class TreeViewerDropDown { fDropDownSite.notifySelection(selection); Tree tree = fDropDownViewer.getTree(); - + boolean treeHasFocus= !tree.isDisposed() && tree.isFocusControl(); if (DebugUIPlugin.DEBUG_TREE_VIEWER_DROPDOWN) { @@ -323,6 +323,6 @@ public abstract class TreeViewerDropDown { } } - + } |