diff options
Diffstat (limited to 'bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/ResourceCompareInput.java')
| -rw-r--r-- | bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/ResourceCompareInput.java | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/ResourceCompareInput.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/ResourceCompareInput.java deleted file mode 100644 index 02a07d33b..000000000 --- a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/ResourceCompareInput.java +++ /dev/null @@ -1,276 +0,0 @@ -/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-package org.eclipse.compare.internal;
-
-import java.text.MessageFormat;
-import java.lang.reflect.InvocationTargetException;
-
-import org.eclipse.swt.widgets.Composite;
-
-import org.eclipse.jface.viewers.ISelection;
-import org.eclipse.jface.viewers.Viewer;
-
-import org.eclipse.core.resources.*;
-import org.eclipse.core.runtime.*;
-
-import org.eclipse.compare.*;
-import org.eclipse.compare.structuremergeviewer.*;
-
-
-/**
- * A two-way or three-way compare for arbitrary IResources.
- */
-class ResourceCompareInput extends CompareEditorInput {
-
- private static final boolean NORMALIZE_CASE= true;
-
- private boolean fThreeWay= false;
- private Object fRoot;
- private IStructureComparator fAncestor;
- private IStructureComparator fLeft;
- private IStructureComparator fRight;
- private IResource fAncestorResource;
- private IResource fLeftResource;
- private IResource fRightResource;
- private DiffTreeViewer fDiffViewer;
-
-
- class MyDiffNode extends DiffNode {
-
- private boolean fDirty= false;
- private ITypedElement fLastId;
- private String fLastName;
-
-
- public MyDiffNode(IDiffContainer parent, int description, ITypedElement ancestor, ITypedElement left, ITypedElement right) {
- super(parent, description, ancestor, left, right);
- }
- public void fireChange() {
- super.fireChange();
- setDirty(true);
- fDirty= true;
- if (fDiffViewer != null)
- fDiffViewer.refresh(this);
- }
- void clearDirty() {
- fDirty= false;
- }
- public String getName() {
- if (fLastName == null)
- fLastName= super.getName();
- if (fDirty)
- return '<' + fLastName + '>';
- return fLastName;
- }
-
- public ITypedElement getId() {
- ITypedElement id= super.getId();
- if (id == null)
- return fLastId;
- fLastId= id;
- return id;
- }
- }
-
- /**
- * Creates an compare editor input for the given selection.
- */
- ResourceCompareInput(CompareConfiguration config) {
- super(config);
- }
-
- public Viewer createDiffViewer(Composite parent) {
- Viewer v= super.createDiffViewer(parent);
- if (v instanceof DiffTreeViewer)
- fDiffViewer= (DiffTreeViewer) v;
- return v;
- }
-
- /**
- * Returns true if compare can be executed for the given selection.
- */
- boolean setSelection(ISelection s) {
-
- IResource[] selection= Utilities.getResources(s);
- if (selection.length < 2 || selection.length > 3)
- return false;
-
- fThreeWay= selection.length == 3;
-
- fLeftResource= selection[0];
- fRightResource= selection[1];
- if (fThreeWay) {
- fLeftResource= selection[1];
- fRightResource= selection[2];
- }
-
- fAncestor= null;
- fLeft= getStructure(fLeftResource);
- fRight= getStructure(fRightResource);
-
- if (incomparable(fLeft, fRight))
- return false;
-
- if (fThreeWay) {
- fAncestorResource= selection[0];
- fAncestor= getStructure(fAncestorResource);
-
- if (incomparable(fAncestor, fRight))
- return false;
- }
-
- return true;
- }
-
- /**
- * Returns true if the given arguments cannot be compared.
- */
- private boolean incomparable(IStructureComparator c1, IStructureComparator c2) {
- if (c1 == null || c2 == null)
- return true;
- return isLeaf(c1) != isLeaf(c2);
- }
-
- /**
- * Returns true if the given arguments is a leaf.
- */
- private boolean isLeaf(IStructureComparator c) {
- if (c instanceof ITypedElement) {
- ITypedElement te= (ITypedElement) c;
- return !ITypedElement.FOLDER_TYPE.equals(te.getType());
- }
- return false;
- }
-
- /**
- * Creates a <code>IStructureComparator</code> for the given input.
- * Returns <code>null</code> if no <code>IStructureComparator</code>
- * can be found for the <code>IResource</code>.
- */
- private IStructureComparator getStructure(IResource input) {
-
- if (input instanceof IContainer)
- return new BufferedResourceNode(input);
-
- if (input instanceof IFile) {
- IStructureComparator rn= new BufferedResourceNode(input);
- IFile file= (IFile) input;
- String type= normalizeCase(file.getFileExtension());
- if ("JAR".equals(type) || "ZIP".equals(type)) //$NON-NLS-2$ //$NON-NLS-1$
- return new ZipFileStructureCreator().getStructure(rn);
- return rn;
- }
- return null;
- }
-
- /**
- * Performs a two-way or three-way diff on the current selection.
- */
- public Object prepareInput(IProgressMonitor pm) throws InvocationTargetException {
-
- CompareConfiguration cc= (CompareConfiguration) getCompareConfiguration();
-
- try {
- // fix for PR 1GFMLFB: ITPUI:WIN2000 - files that are out of sync with the file system appear as empty
- fLeftResource.refreshLocal(IResource.DEPTH_INFINITE, pm);
- fRightResource.refreshLocal(IResource.DEPTH_INFINITE, pm);
- if (fThreeWay && fAncestorResource != null)
- fAncestorResource.refreshLocal(IResource.DEPTH_INFINITE, pm);
- // end fix
-
- pm.beginTask(Utilities.getString("ResourceCompare.taskName"), IProgressMonitor.UNKNOWN); //$NON-NLS-1$
-
- cc.setLeftLabel(buildLabel(fLeftResource));
- cc.setLeftImage(CompareUIPlugin.getImage(fLeftResource));
-
- cc.setRightLabel(buildLabel(fRightResource));
- cc.setRightImage(CompareUIPlugin.getImage(fRightResource));
-
- String leftLabel= fLeftResource.getName();
- String rightLabel= fRightResource.getName();
-
- String title;
- if (fThreeWay) {
- cc.setAncestorLabel(buildLabel(fAncestorResource));
- cc.setAncestorImage(CompareUIPlugin.getImage(fAncestorResource));
- String format= Utilities.getString("ResourceCompare.threeWay.title"); //$NON-NLS-1$
- String ancestorLabel= fAncestorResource.getName();
- title= MessageFormat.format(format, new String[] {ancestorLabel, leftLabel, rightLabel} );
- } else {
- String format= Utilities.getString("ResourceCompare.twoWay.title"); //$NON-NLS-1$
- title= MessageFormat.format(format, new String[] {leftLabel, rightLabel} );
- }
- setTitle(title);
-
- Differencer d= new Differencer() {
- protected Object visit(Object parent, int description, Object ancestor, Object left, Object right) {
- return new MyDiffNode((IDiffContainer) parent, description, (ITypedElement)ancestor, (ITypedElement)left, (ITypedElement)right);
- }
- };
-
- fRoot= d.findDifferences(fThreeWay, pm, null, fAncestor, fLeft, fRight);
- return fRoot;
-
- } catch (CoreException ex) {
- throw new InvocationTargetException(ex);
- } finally {
- pm.done();
- }
- }
-
- private String buildLabel(IResource r) {
- //return r.getName();
- String n= r.getFullPath().toString();
- if (n.charAt(0) == IPath.SEPARATOR)
- return n.substring(1);
- return n;
- }
-
- public void saveChanges(IProgressMonitor pm) throws CoreException {
- super.saveChanges(pm);
- if (fRoot instanceof DiffNode) {
- try {
- commit(pm, (DiffNode) fRoot);
- } finally {
- if (fDiffViewer != null)
- fDiffViewer.refresh();
- setDirty(false);
- }
- }
- }
-
- /*
- * Recursively walks the diff tree and commits all changes.
- */
- private static void commit(IProgressMonitor pm, DiffNode node) throws CoreException {
-
- if (node instanceof MyDiffNode)
- ((MyDiffNode)node).clearDirty();
-
- ITypedElement left= node.getLeft();
- if (left instanceof BufferedResourceNode)
- ((BufferedResourceNode) left).commit(pm);
-
- ITypedElement right= node.getRight();
- if (right instanceof BufferedResourceNode)
- ((BufferedResourceNode) right).commit(pm);
-
- IDiffElement[] children= node.getChildren();
- if (children != null) {
- for (int i= 0; i < children.length; i++) {
- IDiffElement element= children[i];
- if (element instanceof DiffNode)
- commit(pm, (DiffNode) element);
- }
- }
- }
-
- private static String normalizeCase(String s) {
- if (NORMALIZE_CASE && s != null)
- return s.toUpperCase();
- return s;
- }
-}
-
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