diff options
Diffstat (limited to 'bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareNavigator.java')
| -rw-r--r-- | bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareNavigator.java | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareNavigator.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareNavigator.java deleted file mode 100644 index a977359e3..000000000 --- a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/CompareNavigator.java +++ /dev/null @@ -1,142 +0,0 @@ -/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-package org.eclipse.compare.internal;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.KeyAdapter;
-import org.eclipse.swt.events.KeyEvent;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Display;
-
-import org.eclipse.jface.viewers.Viewer;
-import org.eclipse.jface.dialogs.MessageDialog;
-
-import org.eclipse.compare.CompareEditorInput;
-import org.eclipse.compare.*;
-
-/**
- * Supports cross-pane navigation through differences.
- * XXX: Design is as it is because the feature had to be added without touching API.
- */
-public class CompareNavigator {
-
- private boolean fLastDirection= true;
- private CompareViewerSwitchingPane[] fPanes;
-
- public CompareNavigator(CompareViewerSwitchingPane[] panes) {
- fPanes= panes;
- }
-
- public CompareViewerSwitchingPane[] getPanes() {
- return fPanes;
- }
-
- public void selectChange(boolean next) {
-
- fLastDirection= next;
-
- // find most down stream CompareViewerPane
- int n= 0;
- INavigatable[] navigators= new INavigatable[4];
- for (int i= 0; i < fPanes.length; i++) {
- navigators[n]= getNavigator(fPanes[i]);
- if (navigators[n] != null)
- n++;
- }
-
- while (n > 0) {
- n--;
- if (navigators[n].gotoDifference(next)) {
- // at end of this navigator
- continue;
- } else // not at end
- return;
- }
- // beep
- if (fPanes[0] != null) {
- Control c= fPanes[0].getContent();
- if (c != null) {
- Display display= c.getDisplay();
- if (display != null)
- display.beep();
-
- String title;
- String message;
- if (next) {
- title= CompareMessages.getString("CompareNavigator.atEnd.title"); //$NON-NLS-1$
- message= CompareMessages.getString("CompareNavigator.atEnd.message"); //$NON-NLS-1$
- } else {
- title= CompareMessages.getString("CompareNavigator.atBeginning.title"); //$NON-NLS-1$
- message= CompareMessages.getString("CompareNavigator.atBeginning.message"); //$NON-NLS-1$
- }
- MessageDialog.openInformation(c.getShell(), title, message);
- }
- }
- }
-
- private static INavigatable getNavigator(CompareViewerSwitchingPane pane) {
- if (pane == null)
- return null;
- if (pane.isEmpty())
- return null;
- Viewer viewer= pane.getViewer();
- if (viewer == null)
- return null;
- Control control= viewer.getControl();
- if (control == null)
- return null;
- Object data= control.getData(INavigatable.NAVIGATOR_PROPERTY);
- if (data instanceof INavigatable)
- return (INavigatable) data;
- return null;
- }
-
- public static void hookNavigation(final Control c) {
- c.addKeyListener(
- new KeyAdapter() {
- public void keyPressed(KeyEvent e) {
- handleNavigationKeys(e);
- }
- }
- );
- }
-
- public static void handleNavigationKeys(KeyEvent e) {
- if (e.character == ('E'-0x40)) {
- if (e.widget instanceof Control) {
- CompareNavigator nav= findNavigator((Control)e.widget);
- if (nav != null)
- nav.selectChange((e.stateMask & SWT.SHIFT) == 0);
- }
- }
- }
-
- private static CompareNavigator findNavigator(Control c) {
- while (c != null && !c.isDisposed()) { // PR 1GEUVV2
- Object data= c.getData();
- if (data instanceof CompareEditorInput) {
- CompareEditorInput cei= (CompareEditorInput) data;
- Object adapter= cei.getAdapter(CompareNavigator.class);
- if (adapter instanceof CompareNavigator)
- return (CompareNavigator)adapter;
- }
- c= c.getParent();
- }
- return null;
- }
-
- private boolean resetDirection() {
- boolean last= fLastDirection;
- fLastDirection= true;
- return last;
- }
-
- public static boolean getDirection(Control c) {
- CompareNavigator nav= findNavigator(c);
- if (nav != null)
- return nav.resetDirection();
- return true;
- }
-}
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