+++ /dev/null
-package net.sourceforge.phpdt.externaltools.internal.model;
-
-/**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
-This file is made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-**********************************************************************/
-
-import java.util.Map;
-
-import net.sourceforge.phpdt.externaltools.variable.ExpandVariableContext;
-
-import org.eclipse.core.resources.IProject;
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.ui.IEditorInput;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.ISelectionListener;
-import org.eclipse.ui.ISelectionService;
-import org.eclipse.ui.IWindowListener;
-import org.eclipse.ui.IWorkbench;
-import org.eclipse.ui.IWorkbenchPage;
-import org.eclipse.ui.IWorkbenchPart;
-import org.eclipse.ui.IWorkbenchWindow;
-import org.eclipse.ui.PlatformUI;
-import org.eclipse.ui.externaltools.internal.model.ExternalToolBuilder;
-
-/**
- * Maintains the context used to expand variables. The context is based on
- * the selected resource, unless a build is in progress - in which case
- * the context is based on the project being built..
- */
-public class VariableContextManager implements IWindowListener, ISelectionListener {
-
- // singleton
- private static VariableContextManager fgDefault;
-
- private IResource fSelectedResource = null;
-
- private boolean fBuilding = false;
- private IProject fProject = null;
- private int fKind;
-
- private VariableContextManager() {
- IWorkbench workbench = PlatformUI.getWorkbench();
- if (workbench != null) { //may be running headless
- workbench.addWindowListener(this);
- IWorkbenchWindow activeWindow = workbench.getActiveWorkbenchWindow();
- if (activeWindow != null) {
- windowActivated(activeWindow);
- }
- }
- }
-
- /**
- * Returns the singleton resource selection manager
- *
- * @return VariableContextManager
- */
- public static VariableContextManager getDefault() {
- if (fgDefault == null) {
- fgDefault = new VariableContextManager();
- }
- return fgDefault;
- }
-
- /**
- * @see org.eclipse.ui.IWindowListener#windowActivated(org.eclipse.ui.IWorkbenchWindow)
- */
- public void windowActivated(IWorkbenchWindow window) {
- fSelectedResource = null;
- ISelectionService service = window.getSelectionService();
- service.addSelectionListener(this);
- IWorkbenchPage page = window.getActivePage();
- if (page != null) {
- IWorkbenchPart part = page.getActivePart();
- if (part != null) {
- ISelection selection = service.getSelection();
- if (selection != null) {
- selectionChanged(part, selection);
- }
- }
- }
- }
-
- /**
- * @see org.eclipse.ui.IWindowListener#windowClosed(org.eclipse.ui.IWorkbenchWindow)
- */
- public void windowClosed(IWorkbenchWindow window) {
- window.getSelectionService().removeSelectionListener(this);
- }
-
- /**
- * @see org.eclipse.ui.IWindowListener#windowDeactivated(org.eclipse.ui.IWorkbenchWindow)
- */
- public void windowDeactivated(IWorkbenchWindow window) {
- window.getSelectionService().removeSelectionListener(this);
- }
-
- /**
- * @see org.eclipse.ui.IWindowListener#windowOpened(org.eclipse.ui.IWorkbenchWindow)
- */
- public void windowOpened(IWorkbenchWindow window) {
- }
-
- /**
- * @see org.eclipse.ui.ISelectionListener#selectionChanged(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
- */
- public void selectionChanged(IWorkbenchPart part, ISelection selection) {
- IResource selectedResource = null;
- if (selection instanceof IStructuredSelection) {
- Object result = ((IStructuredSelection)selection).getFirstElement();
- if (result instanceof IResource) {
- selectedResource = (IResource) result;
- } else if (result instanceof IAdaptable) {
- selectedResource = (IResource)((IAdaptable) result).getAdapter(IResource.class);
- }
- }
-
- if (selectedResource == null) {
- // If the active part is an editor, get the file resource used as input.
- if (part instanceof IEditorPart) {
- IEditorPart editorPart = (IEditorPart) part;
- IEditorInput input = editorPart.getEditorInput();
- selectedResource = (IResource) input.getAdapter(IResource.class);
- }
- }
-
- fSelectedResource = selectedResource;
- }
-
- /**
- * Returns the active variable context. The context is that of the selected
- * resource, or a project being built.
- *
- * @return variable context
- */
- public ExpandVariableContext getVariableContext() {
- if (fBuilding) {
- return new ExpandVariableContext(fProject, fKind);
- } else {
- return new ExpandVariableContext(fSelectedResource);
- }
- }
-
- /**
- * Notification that the given project is being built.
- *
- * @param project
- * @param kind
- * @see ExternalToolBuilder#build(int, Map, IProgressMonitor)
- */
- public void buildStarted(IProject project, int kind) {
- fBuilding = true;
- fProject = project;
- fKind = kind;
- }
-
- /**
- * Notification the building the current project has completed.
- * @see ExternalToolBuilder#build(int, Map, IProgressMonitor)
- */
- public void buildEnded() {
- fBuilding = false;
- fProject= null;
- }
-}
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