diff options
Diffstat (limited to 'org.eclipse.gmt.modisco.infra.browser/src/org/eclipse/gmt/modisco/infra/browser/editors/BrowserNavigationLocation.java')
| -rw-r--r-- | org.eclipse.gmt.modisco.infra.browser/src/org/eclipse/gmt/modisco/infra/browser/editors/BrowserNavigationLocation.java | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/org.eclipse.gmt.modisco.infra.browser/src/org/eclipse/gmt/modisco/infra/browser/editors/BrowserNavigationLocation.java b/org.eclipse.gmt.modisco.infra.browser/src/org/eclipse/gmt/modisco/infra/browser/editors/BrowserNavigationLocation.java deleted file mode 100644 index da48cbb2f..000000000 --- a/org.eclipse.gmt.modisco.infra.browser/src/org/eclipse/gmt/modisco/infra/browser/editors/BrowserNavigationLocation.java +++ /dev/null @@ -1,170 +0,0 @@ -/*******************************************************************************
- * Copyright (c) 2008, 2011 Mia-Software.
- * 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:
- * Nicolas Bros (Mia-Software) - initial API and implementation
- *
- *******************************************************************************/
-
-package org.eclipse.gmt.modisco.infra.browser.editors;
-
-import org.eclipse.emf.ecore.EClass;
-import org.eclipse.gmt.modisco.infra.browser.Messages;
-import org.eclipse.gmt.modisco.infra.browser.uicore.internal.model.ModelElementItem;
-import org.eclipse.jface.viewers.ITreeSelection;
-import org.eclipse.osgi.util.NLS;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IMemento;
-import org.eclipse.ui.INavigationLocation;
-import org.eclipse.ui.NavigationLocation;
-
-/**
- * A location in the Ecore editor, used for history navigation (back-forward
- * buttons)
- */
-public class BrowserNavigationLocation extends NavigationLocation {
-
- /** The title of the editor */
- private final String title;
- /** The metaclass selected in the metaclass viewer */
- private EClass selectedMetaclass;
- /** The selection in the tree viewer */
- private ITreeSelection treeSelection;
-
- /** Create an empty navigation location */
- public BrowserNavigationLocation(final IEditorPart editorPart) {
- super(editorPart);
- this.title = editorPart.getTitle();
- this.selectedMetaclass = null;
- this.treeSelection = null;
- }
-
- /**
- * Create a navigation location with the selected metaclass and selected
- * element(s).
- *
- * @param editorPart
- * the editor
- * @param selectedMetaclass
- * the metaclass selected in the metaclass viewer
- * @param treeSelection
- * the selection in the tree viewer
- */
- public BrowserNavigationLocation(final IEditorPart editorPart, final EClass selectedMetaclass,
- final ITreeSelection treeSelection) {
- super(editorPart);
- this.title = editorPart.getTitle();
- this.selectedMetaclass = selectedMetaclass;
- this.treeSelection = treeSelection;
- }
-
- @Override
- public String getText() {
- String name = null;
- if (this.selectedMetaclass != null) {
- name = this.selectedMetaclass.getName();
- }
- if (name == null) {
- name = ""; //$NON-NLS-1$
- }
- // cf Bug 329044 - [model browser] instance labels in "editor history"
- String strSelection;
- if (this.treeSelection != null) {
- int nSelected = this.treeSelection.size();
- if (nSelected == 0) {
- strSelection = Messages.BrowserNavigationLocation_emptySelection;
- } else if (nSelected == 1) {
- Object firstElement = this.treeSelection.getFirstElement();
- if (firstElement instanceof ModelElementItem) {
- ModelElementItem modelElementItem = (ModelElementItem) firstElement;
- strSelection = NLS.bind(Messages.BrowserNavigationLocation_singleSelection,
- modelElementItem.getName());
- } else {
- strSelection = NLS.bind(
- Messages.BrowserNavigationLocation_singleSelectionUnknownClass,
- firstElement.getClass().getSimpleName());
- }
- } else {
- strSelection = NLS.bind(Messages.BrowserNavigationLocation_multiSelection,
- nSelected);
- }
- } else {
- strSelection = ""; //$NON-NLS-1$
- }
- return this.title + " - " + name + strSelection; //$NON-NLS-1$
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.ui.INavigationLocation#mergeInto(org.eclipse.ui.
- * INavigationLocation)
- */
- public boolean mergeInto(final INavigationLocation currentLocation) {
- if (currentLocation == null) {
- return false;
- }
-
- if (currentLocation instanceof BrowserNavigationLocation) {
- final BrowserNavigationLocation location = (BrowserNavigationLocation) currentLocation;
-
- if (!this.title.equals(location.title)) {
- return false;
- }
-
- if (this.selectedMetaclass == location.selectedMetaclass) {
- location.treeSelection = this.treeSelection;
- return true;
- }
- // merge with empty location
- if (location.selectedMetaclass == null) {
- location.selectedMetaclass = this.selectedMetaclass;
- location.treeSelection = this.treeSelection;
- return true;
- }
- }
-
- return false;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.ui.INavigationLocation#restoreLocation()
- */
- public void restoreLocation() {
- // empty location
- if (this.selectedMetaclass == null) {
- return;
- }
-
- final IEditorPart editorPart = getEditorPart();
- if (editorPart instanceof EcoreBrowser) {
- final EcoreBrowser editor = (EcoreBrowser) editorPart;
- editor.restoreLocation(this.selectedMetaclass, this.treeSelection);
- }
- }
-
- public void restoreState(final IMemento memento) {
- // nothing
- }
-
- public void saveState(final IMemento memento) {
- // nothing
- }
-
- public void update() {
- // nothing
- }
-
- @Override
- public void releaseState() {
- super.releaseState();
- // do not hang on to selection: permit GC to free model
- this.treeSelection = null;
- }
-}
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