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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/SelectionManager.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/SelectionManager.java264
1 files changed, 0 insertions, 264 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/SelectionManager.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/SelectionManager.java
deleted file mode 100644
index e9af08d358..0000000000
--- a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/SelectionManager.java
+++ /dev/null
@@ -1,264 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006, 2007 Oracle. 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: Oracle. - initial API and implementation
- *
- *******************************************************************************/
-package org.eclipse.jpt.ui.internal.selection;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Set;
-import org.eclipse.jpt.utility.internal.iterators.CloneIterator;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IPageListener;
-import org.eclipse.ui.IPartListener2;
-import org.eclipse.ui.IWorkbenchPage;
-import org.eclipse.ui.IWorkbenchPart;
-import org.eclipse.ui.IWorkbenchPartReference;
-import org.eclipse.ui.IWorkbenchWindow;
-
-/**
- * A <code>SelectionManager</code> stores the current <code>Selection</code> and
- * notifies <code>ISelectionListener</code>s when the selection changes.
- */
-public class SelectionManager
- implements ISelectionManager
-{
- /* The set of pages for which this object is managing selections */
- private Set pages;
-
- /* The map of <code>ISelectionParticipant</code>s (keyed by part) this object
- is using to manage selections */
- private Map selectionParticipants;
-
- private IPageListener pageListener;
-
- private IPartListener2 partListener;
-
- /* The window for which this object manages selections */
- private IWorkbenchWindow window;
-
- private Selection currentSelection;
-
-
- public SelectionManager() {
- super();
- pages = Collections.synchronizedSet(new HashSet());
- selectionParticipants = Collections.synchronizedMap(new HashMap());
- pageListener = new PageListener();
- partListener = new PartListener();
- currentSelection = Selection.NULL_SELECTION;
- }
-
- public void init(IWorkbenchWindow aWindow) {
- window = aWindow;
- aWindow.addPageListener(pageListener);
- initPage(aWindow.getActivePage());
- }
-
- private void initPage(IWorkbenchPage page) {
- if ((page != null) && (! pages.contains(page))) {
- page.addPartListener(partListener);
- pages.add(page);
- IEditorPart activeEditor = page.getActiveEditor();
- initPart(activeEditor);
- selectPart(activeEditor);
- }
- }
-
- private void disposePage(IWorkbenchPage page) {
- if ((page != null) && (pages.contains(page))) {
- page.removePartListener(partListener);
- pages.remove(page);
- }
- }
-
- private void initPart(IWorkbenchPart part) {
- if (part != null) {
- if (selectionParticipants.get(part) == null) {
- ISelectionParticipant selectionParticipant =
- (ISelectionParticipant) part.getAdapter(ISelectionParticipant.class);
- if (selectionParticipant != null) {
- selectionParticipants.put(part, selectionParticipant);
- }
- }
- }
- }
-
- private void selectPart(IWorkbenchPart part) {
- ISelectionParticipant selectionParticipant = getSelectionParticipant(part);
- if (selectionParticipant != null) {
- select(selectionParticipant.getSelection());
- }
- }
-
- private void hidePart(IWorkbenchPart part) {
- ISelectionParticipant selectionParticipant = getSelectionParticipant(part);
- if ((selectionParticipant != null) && (selectionParticipant.disposeOnHide())) {
- closePart(part);
- }
- }
-
- private void closePart(IWorkbenchPart part) {
- ISelectionParticipant selectionParticipant = getSelectionParticipant(part);
- if (selectionParticipant != null) {
- disposePart(part);
- checkForNoEditors();
- }
- }
-
- private void disposePart(IWorkbenchPart part) {
- if ((part != null) && (selectionParticipants.containsKey(part))) {
- ISelectionParticipant selectionParticipant =
- (ISelectionParticipant) selectionParticipants.remove(part);
- selectionParticipant.dispose();
- }
- }
-
- private void checkForNoEditors() {
- IWorkbenchPage activePage = window.getActivePage();
- if ((activePage == null)
- || (activePage.getActiveEditor() == null)) {
- select(Selection.NULL_SELECTION);
- }
- }
-
- /**
- * This may be used to register a part with the selection manager if the part
- * is known to need access to the selection manager before it is ever activated
- * or in the case it may be activated prior to the selection manager being
- * created.
- *
- * It should not be necessary to deregister a part, as that happens when the
- * part is closed.
- */
- public void register(IWorkbenchPart part) {
- initPart(part);
- }
-
- /**
- * Not to be called lightly, this will affect the selection for all interested
- * objects in a window.
- * The newSelection will be selected.
- */
- public void select(Selection newSelection) {
- if (currentSelection.equals(newSelection)) {
- return;
- }
-
- currentSelection = newSelection;
- fireSelectionChange(
- new SelectionEvent(newSelection, SelectionEvent.SELECTION, this)
- );
- }
-
- /**
- * Not to be called lightly, this will affect the selection for all interested
- * objects in a window.
- * The oldSelection will be deselected, iff it matches the current selection.
- */
- public void deselect(Selection oldSelection) {
- if (currentSelection.equals(oldSelection)) {
- currentSelection = Selection.NULL_SELECTION;
- fireSelectionChange(
- new SelectionEvent(oldSelection, SelectionEvent.DESELECTION, this)
- );
- }
- }
-
- private void fireSelectionChange(SelectionEvent event) {
- for (Iterator stream = selectionParticipants.values().iterator(); stream.hasNext(); ) {
- ((ISelectionParticipant) stream.next()).selectionChanged(event);
- }
- }
-
- private ISelectionParticipant getSelectionParticipant(IWorkbenchPart part) {
- return (ISelectionParticipant) selectionParticipants.get(part);
- }
-
- public Selection getCurrentSelection() {
- return currentSelection;
- }
-
- public void dispose() {
- window.removePageListener(pageListener);
- selectionParticipants.clear();
-
- for (Iterator stream = new CloneIterator(pages); stream.hasNext(); ) {
- disposePage((IWorkbenchPage) stream.next());
- }
-
- for (Iterator stream = new CloneIterator(selectionParticipants.keySet()); stream.hasNext(); ) {
- disposePart((IWorkbenchPart) stream.next());
- }
- }
-
-
- private class PageListener implements IPageListener
- {
- public void pageActivated(IWorkbenchPage page) {}
-
- public void pageClosed(IWorkbenchPage page) {
- disposePage(page);
- }
-
- public void pageOpened(IWorkbenchPage page) {
- initPage(page);
- }
- }
-
-
- private class PartListener implements IPartListener2
- {
- public void partActivated(IWorkbenchPartReference partRef) {
- IWorkbenchPart part = partRef.getPart(false);
- if (part != null) {
- initPart(part);
- selectPart(part);
- }
- }
-
- public void partBroughtToTop(IWorkbenchPartReference partRef) {}
-
- public void partClosed(IWorkbenchPartReference partRef) {
- IWorkbenchPart part = partRef.getPart(false);
- if (part != null) {
- closePart(part);
- disposePart(part);
- checkForNoEditors();
- }
- }
-
- public void partDeactivated(IWorkbenchPartReference partRef) {}
-
- public void partHidden(IWorkbenchPartReference partRef) {
- IWorkbenchPart part = partRef.getPart(false);
- if (part != null) {
- hidePart(part);
- }
- }
-
- public void partInputChanged(IWorkbenchPartReference partRef) {}
-
- public void partOpened(IWorkbenchPartReference partRef) {
- IWorkbenchPart part = partRef.getPart(false);
- if (part != null) {
- initPart(part);
- }
- }
-
- public void partVisible(IWorkbenchPartReference partRef) {
- IWorkbenchPart part = partRef.getPart(false);
- if (part != null) {
- initPart(part);
- }
- }
- }
-}

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