diff options
Diffstat (limited to 'core/org.eclipse.cdt.ui/refactor/org/eclipse/cdt/internal/corext/refactoring/CompositeChange.java')
| -rw-r--r-- | core/org.eclipse.cdt.ui/refactor/org/eclipse/cdt/internal/corext/refactoring/CompositeChange.java | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/core/org.eclipse.cdt.ui/refactor/org/eclipse/cdt/internal/corext/refactoring/CompositeChange.java b/core/org.eclipse.cdt.ui/refactor/org/eclipse/cdt/internal/corext/refactoring/CompositeChange.java deleted file mode 100644 index 978c87b8b23..00000000000 --- a/core/org.eclipse.cdt.ui/refactor/org/eclipse/cdt/internal/corext/refactoring/CompositeChange.java +++ /dev/null @@ -1,199 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004 IBM Corporation and others. - * 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: - * IBM Rational Software - Initial API and implementation - *******************************************************************************/ -package org.eclipse.cdt.internal.corext.refactoring; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.Iterator; -import java.util.List; - -import org.eclipse.cdt.core.model.CModelException; -import org.eclipse.cdt.internal.corext.refactoring.base.*; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.SubProgressMonitor; - - -/** - * Represents a composite change. - */ -public class CompositeChange extends Change implements ICompositeChange { - - private List fChanges; - private IChange fUndoChange; - private String fName; - - public CompositeChange() { - this(RefactoringCoreMessages.getString("CompositeChange.CompositeChange")); //$NON-NLS-1$ - } - - public CompositeChange(String name, IChange[] changes) { - this(name, new ArrayList(changes.length)); - addAll(changes); - } - - public CompositeChange(String name) { - this(name, new ArrayList(5)); - } - - public CompositeChange(String name, int initialCapacity) { - this(name, new ArrayList(initialCapacity)); - } - - private CompositeChange(String name, List changes) { - fChanges= changes; - fName= name; - } - - /* (Non-Javadoc) - * Method declared in IChange. - */ - public final RefactoringStatus aboutToPerform(ChangeContext context, IProgressMonitor pm) { - // PR: 1GEWDUH: ITPJCORE:WINNT - Refactoring - Unable to undo refactor change - RefactoringStatus result= new RefactoringStatus(); - pm.beginTask("", fChanges.size() + 1); //$NON-NLS-1$ - result.merge(super.aboutToPerform(context, new SubProgressMonitor(pm,1))); - for (Iterator iter= fChanges.iterator(); iter.hasNext(); ) { - result.merge(((IChange)iter.next()).aboutToPerform(context, new SubProgressMonitor(pm,1))); - } - return result; - } - - /* (Non-Javadoc) - * Method declared in IChange. - */ - public final void performed() { - for (Iterator iter= fChanges.iterator(); iter.hasNext(); ) { - ((IChange)iter.next()).performed(); - } - } - - /* non java-doc - * @see IChange#getUndoChange - */ - public final IChange getUndoChange() { - return fUndoChange; - } - - public void addAll(IChange[] changes) { - for (int i= 0; i < changes.length; i++) { - add(changes[i]); - } - } - - public void add(IChange change) { - if (change != null) - fChanges.add(change); - } - - public IChange[] getChildren() { - if (fChanges == null) - return null; - return (IChange[])fChanges.toArray(new IChange[fChanges.size()]); - } - - final List getChanges() { - return fChanges; - } - - /** - * to reverse a composite means reversing all changes in reverse order - */ - private List createUndoList(ChangeContext context, IProgressMonitor pm) throws CModelException { - List undoList= null; - try { - undoList= new ArrayList(fChanges.size()); - pm.beginTask("", fChanges.size()); //$NON-NLS-1$ - for (Iterator iter= fChanges.iterator(); iter.hasNext();) { - try { - IChange each= (IChange)iter.next(); - each.perform(context, new SubProgressMonitor(pm, 1)); - undoList.add(each.getUndoChange()); - context.addPerformedChange(each); - } catch (Exception e) { - handleException(context, e); - } - } - pm.done(); - Collections.reverse(undoList); - return undoList; - } catch (Exception e) { - handleException(context, e); - } - if (undoList == null) - undoList= new ArrayList(0); - return undoList; - } - - /* non java-doc - * @see IChange#perform - */ - public final void perform(ChangeContext context, IProgressMonitor pm) throws CModelException { - pm.beginTask("", 1); //$NON-NLS-1$ - pm.setTaskName(RefactoringCoreMessages.getString("CompositeChange.performingChangesTask.name")); //$NON-NLS-1$ - if (!isActive()) { - fUndoChange= new NullChange(); - } else { - fUndoChange= new CompositeChange(fName, createUndoList(context, new SubProgressMonitor(pm, 1))); - } - pm.done(); - } - - /* non java-doc - * for debugging only - */ - public String toString() { - StringBuffer buff= new StringBuffer(); - buff.append("CompositeChange\n"); //$NON-NLS-1$ - for (Iterator iter= fChanges.iterator(); iter.hasNext();) { - buff.append("<").append(iter.next().toString()).append("/>\n"); //$NON-NLS-2$ //$NON-NLS-1$ - } - return buff.toString(); - } - - /* non java-doc - * @see IChange#getName() - */ - public String getName() { - return fName; - } - - /* non java-doc - * @see IChange#getModifiedLanguageElement() - */ - public Object getModifiedLanguageElement() { - return null; - } - - /* non java-doc - * @see IChange#setActive - * This method activates/disactivates all subchanges of this change. The - * change itself is always active to ensure that sub changes are always - * considered if they are active. - */ - public void setActive(boolean active) { - for (Iterator iter= fChanges.iterator(); iter.hasNext(); ) { - ((IChange)iter.next()).setActive(active); - } - } - - /*non java-doc - * @see IChange#isUndoable() - * Composite can be undone iff all its sub-changes can be undone. - */ - public boolean isUndoable() { - for (Iterator iter= fChanges.iterator(); iter.hasNext(); ) { - IChange each= (IChange)iter.next(); - if (! each.isUndoable()) - return false; - } - return true; - } -} |