| /******************************************************************************* |
| * Copyright (c) 2000, 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 Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.compare.internal.patch; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.lang.reflect.InvocationTargetException; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.compare.CompareConfiguration; |
| import org.eclipse.compare.CompareUI; |
| import org.eclipse.compare.CompareViewerSwitchingPane; |
| import org.eclipse.compare.IEncodedStreamContentAccessor; |
| import org.eclipse.compare.ITypedElement; |
| import org.eclipse.compare.Splitter; |
| import org.eclipse.compare.internal.ICompareContextIds; |
| import org.eclipse.compare.internal.Utilities; |
| import org.eclipse.compare.structuremergeviewer.DiffNode; |
| import org.eclipse.compare.structuremergeviewer.Differencer; |
| import org.eclipse.compare.structuremergeviewer.ICompareInput; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.viewers.CheckStateChangedEvent; |
| import org.eclipse.jface.viewers.DecoratingLabelProvider; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.ICheckStateListener; |
| import org.eclipse.jface.viewers.ICheckable; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.wizard.WizardPage; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Combo; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Group; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.ContainerCheckedTreeViewer; |
| import org.eclipse.ui.model.BaseWorkbenchContentProvider; |
| import org.eclipse.ui.model.WorkbenchLabelProvider; |
| import org.eclipse.ui.model.WorkbenchViewerSorter; |
| import org.eclipse.ui.views.navigator.ResourceSorter; |
| |
| /** |
| * Shows the parsed patch file and any mismatches |
| * between files, hunks and the currently selected |
| * resources. |
| */ |
| /* package */ class PreviewPatchPage extends WizardPage { |
| |
| /** |
| * Used with CompareInput |
| */ |
| static class HunkInput implements ITypedElement, IEncodedStreamContentAccessor { |
| static final String UTF_16= "UTF-16"; //$NON-NLS-1$ |
| String fContent; |
| String fType; |
| |
| HunkInput(String type, String s) { |
| fType= type; |
| fContent= s; |
| } |
| public Image getImage() { |
| return null; |
| } |
| public String getName() { |
| return PatchMessages.PreviewPatchPage_NoName_text; |
| } |
| public String getType() { |
| return fType; |
| } |
| public InputStream getContents() { |
| return new ByteArrayInputStream(Utilities.getBytes(fContent, UTF_16)); |
| } |
| public String getCharset() { |
| return UTF_16; |
| } |
| } |
| |
| class RetargetPatchDialog extends Dialog { |
| |
| protected TreeViewer rpTreeViewer; |
| protected DiffProject rpSelectedProject; |
| protected IProject rpTargetProject; |
| |
| public RetargetPatchDialog(Shell shell, ISelection selection) { |
| super(shell); |
| setShellStyle(getShellStyle()|SWT.RESIZE); |
| if (selection instanceof IStructuredSelection) { |
| rpSelectedProject= (DiffProject) ((IStructuredSelection) selection).getFirstElement(); |
| } |
| } |
| |
| protected Control createDialogArea(Composite parent) { |
| Composite composite= (Composite) super.createDialogArea(parent); |
| |
| initializeDialogUnits(parent); |
| |
| getShell().setText(PatchMessages.PreviewPatchPage_RetargetPatch); |
| |
| GridLayout layout= new GridLayout(); |
| layout.numColumns= 1; |
| composite.setLayout(layout); |
| final GridData data= new GridData(SWT.FILL, SWT.FILL, true, true); |
| composite.setLayoutData(data); |
| |
| //add controls to composite as necessary |
| Label label= new Label(composite, SWT.LEFT|SWT.WRAP); |
| label.setText(NLS.bind(PatchMessages.Diff_2Args, new String[] {PatchMessages.PreviewPatchPage_SelectProject, rpSelectedProject.getName()})); |
| final GridData data2= new GridData(SWT.FILL, SWT.BEGINNING, true, false); |
| label.setLayoutData(data2); |
| |
| rpTreeViewer= new TreeViewer(composite, SWT.BORDER); |
| GridData gd= new GridData(SWT.FILL, SWT.FILL, true, true); |
| gd.widthHint= 0; |
| gd.heightHint= 0; |
| rpTreeViewer.getTree().setLayoutData(gd); |
| |
| rpTreeViewer.setContentProvider(new RetargetPatchContentProvider()); |
| rpTreeViewer.setLabelProvider(new WorkbenchLabelProvider()); |
| rpTreeViewer.setSorter(new ResourceSorter(ResourceSorter.NAME)); |
| rpTreeViewer.setInput(ResourcesPlugin.getWorkspace()); |
| rpTreeViewer.setSelection(new StructuredSelection(rpSelectedProject.getProject())); |
| |
| setupListeners(); |
| |
| return parent; |
| } |
| |
| protected void okPressed() { |
| rpSelectedProject.setProject(rpTargetProject); |
| super.okPressed(); |
| } |
| |
| void setupListeners() { |
| rpTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| IStructuredSelection s= (IStructuredSelection) event.getSelection(); |
| Object obj= s.getFirstElement(); |
| if (obj instanceof IProject) |
| rpTargetProject= (IProject) obj; |
| } |
| }); |
| |
| rpTreeViewer.addDoubleClickListener(new IDoubleClickListener() { |
| public void doubleClick(DoubleClickEvent event) { |
| ISelection s= event.getSelection(); |
| if (s instanceof IStructuredSelection) { |
| Object item= ((IStructuredSelection) s).getFirstElement(); |
| if (rpTreeViewer.getExpandedState(item)) |
| rpTreeViewer.collapseToLevel(item, 1); |
| else |
| rpTreeViewer.expandToLevel(item, 1); |
| } |
| } |
| }); |
| |
| } |
| |
| protected Point getInitialSize() { |
| final Point size= super.getInitialSize(); |
| size.x= convertWidthInCharsToPixels(75); |
| size.y+= convertHeightInCharsToPixels(20); |
| return size; |
| } |
| } |
| |
| class RetargetPatchContentProvider extends BaseWorkbenchContentProvider { |
| //Never show closed projects |
| boolean showClosedProjects= false; |
| |
| public Object[] getChildren(Object element) { |
| if (element instanceof IWorkspace) { |
| // check if closed projects should be shown |
| IProject[] allProjects= ((IWorkspace) element).getRoot().getProjects(); |
| if (showClosedProjects) |
| return allProjects; |
| |
| ArrayList accessibleProjects= new ArrayList(); |
| for (int i= 0; i<allProjects.length; i++) { |
| if (allProjects[i].isOpen()) { |
| accessibleProjects.add(allProjects[i]); |
| } |
| } |
| return accessibleProjects.toArray(); |
| } |
| |
| if (element instanceof IProject) { |
| return new Object[0]; |
| } |
| return super.getChildren(element); |
| } |
| } |
| |
| private PatchWizard fPatchWizard; |
| |
| private ContainerCheckedTreeViewer fTreeViewer; |
| private Combo fStripPrefixSegments; |
| private CompareViewerSwitchingPane fHunkViewer; |
| private Button fIgnoreWhitespaceButton; |
| private Button fReversePatchButton; |
| private Text fFuzzField; |
| private Button fMatchProject; |
| |
| private Object inputElement; |
| private CompareConfiguration fCompareConfiguration; |
| |
| protected boolean pageRecalculate= true; |
| protected final static String PREVIEWPATCHPAGE_NAME= "PreviewPatchPage"; //$NON-NLS-1$ |
| |
| /* package */ PreviewPatchPage(PatchWizard pw) { |
| super(PREVIEWPATCHPAGE_NAME, PatchMessages.PreviewPatchPage_title, null); |
| |
| setMessage(PatchMessages.PreviewPatchPage_message); |
| |
| fPatchWizard= pw; |
| //setPageComplete(false); |
| |
| fCompareConfiguration= new CompareConfiguration(); |
| |
| fCompareConfiguration.setLeftEditable(false); |
| fCompareConfiguration.setLeftLabel(PatchMessages.PreviewPatchPage_Left_title); |
| |
| fCompareConfiguration.setRightEditable(false); |
| fCompareConfiguration.setRightLabel(PatchMessages.PreviewPatchPage_Right_title); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in WizardPage |
| */ |
| public void setVisible(boolean visible) { |
| if (visible) { |
| buildTree(); |
| updateTree(); |
| } |
| super.setVisible(visible); |
| } |
| |
| public void createControl(Composite parent) { |
| |
| Composite composite= new Composite(parent, SWT.NULL); |
| composite.setLayout(new GridLayout()); |
| composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL|GridData.HORIZONTAL_ALIGN_FILL)); |
| |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, ICompareContextIds.PATCH_PREVIEW_WIZARD_PAGE); |
| |
| setControl(composite); |
| |
| buildPatchOptionsGroup(composite); |
| |
| Splitter splitter= new Splitter(composite, SWT.VERTICAL); |
| splitter.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL |
| | GridData.VERTICAL_ALIGN_FILL | GridData.GRAB_VERTICAL)); |
| |
| // top pane showing diffs and hunks in a check box tree |
| createTreeViewer(splitter); |
| |
| // bottom pane showing hunks in compare viewer |
| fHunkViewer= new CompareViewerSwitchingPane(splitter, SWT.BORDER|SWT.FLAT) { |
| protected Viewer getViewer(Viewer oldViewer, Object input) { |
| return CompareUI.findContentViewer(oldViewer, (ICompareInput) input, this, fCompareConfiguration); |
| } |
| }; |
| GridData gd= new GridData(); |
| gd.verticalAlignment= GridData.FILL; |
| gd.horizontalAlignment= GridData.FILL; |
| gd.grabExcessHorizontalSpace= true; |
| gd.grabExcessVerticalSpace= true; |
| fHunkViewer.setLayoutData(gd); |
| |
| //create Match Project button |
| fMatchProject= new Button(composite, SWT.PUSH); |
| gd= new GridData(); |
| gd.verticalAlignment= GridData.BEGINNING; |
| gd.horizontalAlignment= GridData.END; |
| fMatchProject.setLayoutData(gd); |
| |
| fMatchProject.setText(PatchMessages.PreviewPatchPage_MatchProjects); |
| fMatchProject.setEnabled(false); |
| fMatchProject.setVisible(false); |
| fMatchProject.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| final RetargetPatchDialog dialog= new RetargetPatchDialog(getShell(), fTreeViewer.getSelection()); |
| dialog.open(); |
| updateTree(); |
| } |
| }); |
| |
| // creating tree's content |
| buildTree(); |
| Dialog.applyDialogFont(composite); |
| } |
| |
| private void createTreeViewer(Splitter splitter) { |
| fTreeViewer= new ContainerCheckedTreeViewer(splitter, SWT.BORDER); |
| fTreeViewer.setContentProvider(new BaseWorkbenchContentProvider()); |
| fTreeViewer.setLabelProvider(new DecoratingLabelProvider(new WorkbenchLabelProvider(), new PreviewPatchLabelDecorator())); |
| fTreeViewer.setSorter(new WorkbenchViewerSorter()); |
| fTreeViewer.addCheckStateListener(new ICheckStateListener() { |
| public void checkStateChanged(CheckStateChangedEvent event) { |
| Object obj = event.getElement(); |
| ICheckable checked = event.getCheckable(); |
| DiffProject proj = null; |
| if (obj instanceof DiffProject){ |
| proj = (DiffProject) obj; |
| // Check to see if any of the Diffs contained by the DiffProject |
| // have their diff problems set |
| Object[] diffs = proj.getChildren(null); |
| for (int i= 0; i<diffs.length; i++) { |
| if (((Diff) diffs[i]).containsProblems()){ |
| checked.setChecked(obj, false); |
| break; |
| } |
| } |
| } else if (obj instanceof Diff){ |
| proj = ((Diff) obj).getProject(); |
| // If Diff has any diff problems set, at least one hunk underneath |
| // does not match - so don't allow entire tree to be checked |
| if (((Diff) obj).containsProblems()){ |
| checked.setChecked(obj, false); |
| } |
| } else if (obj instanceof Hunk){ |
| Diff diff = (Diff) ((Hunk) obj).getParent(null); |
| proj = diff.getProject(); |
| // Check to see if this hunk has any problems OR |
| // if its parent has any problems |
| if( diff.getDiffProblem() || |
| ((Hunk) obj).getHunkProblem()){ |
| checked.setChecked(obj, false); |
| } |
| } |
| if (proj!= null && |
| !proj.getProject().exists()){ |
| checked.setChecked(obj, false); |
| } |
| updateEnablements(); |
| } |
| }); |
| |
| fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| |
| public void selectionChanged(SelectionChangedEvent event) { |
| IStructuredSelection sel= (IStructuredSelection) event.getSelection(); |
| Object obj= sel.getFirstElement(); |
| |
| if (obj instanceof Hunk) { |
| PreviewPatchPage.this.fHunkViewer.setInput(createInput((Hunk) obj)); |
| } else |
| PreviewPatchPage.this.fHunkViewer.setInput(null); |
| |
| fMatchProject.setEnabled(false); |
| //See if we need to enable match project button |
| if (fPatchWizard.getPatcher().isWorkspacePatch()&&obj instanceof DiffProject) { |
| fMatchProject.setEnabled(true); |
| } |
| |
| } |
| |
| }); |
| fTreeViewer.setInput(null); |
| } |
| |
| /* |
| * Create the group for setting various patch options |
| */ |
| private void buildPatchOptionsGroup(Composite parent) { |
| |
| GridLayout gl; |
| GridData gd; |
| Label l; |
| |
| final WorkspacePatcher patcher= fPatchWizard.getPatcher(); |
| |
| Group group= new Group(parent, SWT.NONE); |
| group.setText(PatchMessages.PreviewPatchPage_PatchOptions_title); |
| gl= new GridLayout(); gl.numColumns= 4; gl.marginHeight= 0; |
| group.setLayout(gl); |
| group.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL|GridData.GRAB_HORIZONTAL)); |
| |
| // 1st row |
| |
| Composite pair= new Composite(group, SWT.NONE); |
| gl= new GridLayout(); gl.numColumns= 2; gl.marginHeight= gl.marginWidth= 0; |
| pair.setLayout(gl); |
| gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL); |
| pair.setLayoutData(gd); |
| |
| l= new Label(pair, SWT.NONE); |
| l.setText(PatchMessages.PreviewPatchPage_IgnoreSegments_text); |
| gd= new GridData(GridData.VERTICAL_ALIGN_CENTER|GridData.HORIZONTAL_ALIGN_BEGINNING|GridData.GRAB_HORIZONTAL); |
| l.setLayoutData(gd); |
| |
| fStripPrefixSegments= new Combo(pair, SWT.DROP_DOWN|SWT.READ_ONLY|SWT.SIMPLE); |
| int prefixCnt= patcher.getStripPrefixSegments(); |
| String prefix= Integer.toString(prefixCnt); |
| fStripPrefixSegments.add(prefix); |
| fStripPrefixSegments.setText(prefix); |
| gd= new GridData(GridData.VERTICAL_ALIGN_CENTER|GridData.HORIZONTAL_ALIGN_END); |
| fStripPrefixSegments.setLayoutData(gd); |
| |
| addSpacer(group); |
| |
| fReversePatchButton= new Button(group, SWT.CHECK); |
| fReversePatchButton.setText(PatchMessages.PreviewPatchPage_ReversePatch_text); |
| |
| addSpacer(group); |
| |
| // 2nd row |
| pair= new Composite(group, SWT.NONE); |
| gl= new GridLayout(); gl.numColumns= 3; gl.marginHeight= gl.marginWidth= 0; |
| pair.setLayout(gl); |
| gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL); |
| pair.setLayoutData(gd); |
| |
| l= new Label(pair, SWT.NONE); |
| l.setText(PatchMessages.PreviewPatchPage_FuzzFactor_text); |
| l.setToolTipText(PatchMessages.PreviewPatchPage_FuzzFactor_tooltip); |
| gd= new GridData(GridData.VERTICAL_ALIGN_CENTER|GridData.HORIZONTAL_ALIGN_BEGINNING|GridData.GRAB_HORIZONTAL); |
| l.setLayoutData(gd); |
| |
| fFuzzField= new Text(pair, SWT.BORDER); |
| fFuzzField.setText("2"); //$NON-NLS-1$ |
| gd= new GridData(GridData.VERTICAL_ALIGN_CENTER | GridData.HORIZONTAL_ALIGN_END); gd.widthHint= 30; |
| fFuzzField.setLayoutData(gd); |
| |
| Button b= new Button(pair, SWT.PUSH); |
| b.setText(PatchMessages.PreviewPatchPage_GuessFuzz_text); |
| b.addSelectionListener( |
| new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| int fuzz= guessFuzzFactor(patcher); |
| if (fuzz>=0) |
| fFuzzField.setText(Integer.toString(fuzz)); |
| } |
| } |
| ); |
| gd= new GridData(GridData.VERTICAL_ALIGN_CENTER); |
| b.setLayoutData(gd); |
| |
| addSpacer(group); |
| |
| fIgnoreWhitespaceButton= new Button(group, SWT.CHECK); |
| fIgnoreWhitespaceButton.setText(PatchMessages.PreviewPatchPage_IgnoreWhitespace_text); |
| |
| addSpacer(group); |
| |
| // register listeners |
| |
| if (fStripPrefixSegments!=null) |
| fStripPrefixSegments.addSelectionListener( |
| new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (patcher.setStripPrefixSegments(getStripPrefixSegments())) |
| updateTree(); |
| } |
| } |
| ); |
| fReversePatchButton.addSelectionListener( |
| new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (patcher.setReversed(fReversePatchButton.getSelection())) |
| updateTree(); |
| } |
| } |
| ); |
| fIgnoreWhitespaceButton.addSelectionListener( |
| new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (patcher.setIgnoreWhitespace(fIgnoreWhitespaceButton.getSelection())) |
| updateTree(); |
| } |
| } |
| ); |
| |
| fFuzzField.addModifyListener( |
| new ModifyListener() { |
| public void modifyText(ModifyEvent e) { |
| if (patcher.setFuzz(getFuzzFactor())) |
| updateTree(); |
| } |
| }); |
| } |
| |
| private int guessFuzzFactor(final WorkspacePatcher patcher) { |
| final int strip= getStripPrefixSegments(); |
| final int[] result= new int[1]; |
| try { |
| PlatformUI.getWorkbench().getProgressService().run(true, true, |
| //TimeoutContext.run(true, GUESS_TIMEOUT, getControl().getShell(), |
| new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) { |
| result[0]= guess(patcher, monitor, strip); |
| } |
| } |
| ); |
| return result[0]; |
| } catch (InvocationTargetException ex) { |
| // NeedWork |
| } catch (InterruptedException ex) { |
| // NeedWork |
| } |
| return -1; |
| } |
| |
| private int guess(WorkspacePatcher patcher, IProgressMonitor pm, int strip) { |
| |
| Diff[] diffs= patcher.getDiffs(); |
| if (diffs==null||diffs.length<=0) |
| return -1; |
| |
| // now collect files and determine "work" |
| IFile[] files= new IFile[diffs.length]; |
| int work= 0; |
| for (int i= 0; i<diffs.length; i++) { |
| Diff diff= diffs[i]; |
| if (diff==null) |
| continue; |
| if (diff.getType()!=Differencer.ADDITION) { |
| IPath p= diff.fOldPath; |
| if (strip>0&&strip<p.segmentCount()) |
| p= p.removeFirstSegments(strip); |
| IFile file= existsInSelection(p); |
| if (file!=null) { |
| files[i]= file; |
| work+= diff.fHunks.size(); |
| } |
| } |
| } |
| |
| // do the "work" |
| int[] fuzzRef= new int[1]; |
| String format= PatchMessages.PreviewPatchPage_GuessFuzzProgress_format; |
| pm.beginTask(PatchMessages.PreviewPatchPage_GuessFuzzProgress_text, work); |
| try { |
| int fuzz= 0; |
| for (int i= 0; i<diffs.length; i++) { |
| Diff d= diffs[i]; |
| IFile file= files[i]; |
| if (d!=null&&file!=null) { |
| List lines= patcher.load(file, false); |
| String name= d.getPath().lastSegment(); |
| Iterator iter= d.fHunks.iterator(); |
| int shift= 0; |
| for (int hcnt= 1; iter.hasNext(); hcnt++) { |
| pm.subTask(MessageFormat.format(format, new String[] {name, Integer.toString(hcnt)})); |
| Hunk h= (Hunk) iter.next(); |
| shift= patcher.calculateFuzz(h, lines, shift, pm, fuzzRef); |
| int f= fuzzRef[0]; |
| if (f==-1) // cancel |
| return -1; |
| if (f>fuzz) |
| fuzz= f; |
| pm.worked(1); |
| } |
| } |
| } |
| return fuzz; |
| } finally { |
| pm.done(); |
| } |
| } |
| |
| ICompareInput createInput(Hunk hunk) { |
| |
| String[] lines= hunk.fLines; |
| StringBuffer left= new StringBuffer(); |
| StringBuffer right= new StringBuffer(); |
| |
| for (int i= 0; i<lines.length; i++) { |
| String line= lines[i]; |
| String rest= line.substring(1); |
| switch (line.charAt(0)) { |
| case ' ' : |
| left.append(rest); |
| right.append(rest); |
| break; |
| case '-' : |
| left.append(rest); |
| break; |
| case '+' : |
| right.append(rest); |
| break; |
| } |
| } |
| |
| Diff diff= hunk.fParent; |
| IPath path= diff.getPath(); |
| String type= path.getFileExtension(); |
| |
| return new DiffNode(new HunkInput(type, left.toString()), new HunkInput(type, right.toString())); |
| } |
| |
| private IFile existsInSelection(IPath path) { |
| return fPatchWizard.getPatcher().existsInTarget(path); |
| } |
| |
| private void buildTree() { |
| |
| inputElement= fPatchWizard.getPatcher(); |
| |
| //Update prefix count - go through all of the diffs and find the smallest |
| //path segment contained in all diffs. |
| int length= 99; |
| if (fStripPrefixSegments!=null&&pageRecalculate) { |
| length= fPatchWizard.getPatcher().calculatePrefixSegmentCount(); |
| if (length!=99) { |
| for (int k= 1; k<length; k++) |
| fStripPrefixSegments.add(Integer.toString(k)); |
| pageRecalculate= false; |
| } |
| } |
| |
| fTreeViewer.setInput(inputElement); |
| } |
| |
| /** |
| * Updates label and checked state of tree items. |
| */ |
| private void updateTree() { |
| |
| if (fTreeViewer==null) |
| return; |
| |
| int strip= getStripPrefixSegments(); |
| //Get the elements from the content provider |
| BaseWorkbenchContentProvider contentProvider= (BaseWorkbenchContentProvider) fTreeViewer.getContentProvider(); |
| Object[] projects= contentProvider.getElements(inputElement); |
| ArrayList hunksToCheck= new ArrayList(); |
| //Iterate through projects and call reset on each project |
| for (int j= 0; j<projects.length; j++) { |
| if (projects[j] instanceof DiffProject) { |
| DiffProject project= (DiffProject) projects[j]; |
| hunksToCheck.addAll(project.reset(fPatchWizard.getPatcher(), strip, getFuzzFactor())); |
| for (Iterator iter= project.fDiffs.iterator(); iter.hasNext();) { |
| Diff diff= (Diff) iter.next(); |
| fTreeViewer.update(diff, null); |
| } |
| } else { |
| if (projects[j] instanceof Diff) { |
| Diff diff= (Diff) projects[j]; |
| hunksToCheck.addAll(diff.reset(fPatchWizard.getPatcher(), strip, getFuzzFactor())); |
| fTreeViewer.update(diff, null); |
| } |
| } |
| } |
| fTreeViewer.refresh(); |
| fTreeViewer.setCheckedElements(hunksToCheck.toArray()); |
| updateEnablements(); |
| } |
| |
| private void addSpacer(Composite parent) { |
| Label label= new Label(parent, SWT.NONE); |
| GridData gd= new GridData(GridData.FILL_HORIZONTAL); |
| gd.widthHint= 20; |
| label.setLayoutData(gd); |
| } |
| |
| private int getStripPrefixSegments() { |
| int stripPrefixSegments= 0; |
| if (fStripPrefixSegments!=null) { |
| String s= fStripPrefixSegments.getText(); |
| try { |
| stripPrefixSegments= Integer.parseInt(s); |
| } catch (NumberFormatException ex) { |
| // silently ignored |
| } |
| } |
| return stripPrefixSegments; |
| } |
| |
| private int getFuzzFactor() { |
| int fuzzFactor= 0; |
| if (fFuzzField!=null) { |
| String s= fFuzzField.getText(); |
| try { |
| fuzzFactor= Integer.parseInt(s); |
| } catch (NumberFormatException ex) { |
| // silently ignored |
| } |
| } |
| return fuzzFactor; |
| } |
| |
| /** |
| * Makes sure that at least one hunk is checked off in the tree before |
| * allowing the patch to be applied. |
| */ |
| /* private */void updateEnablements() { |
| boolean atLeastOneIsEnabled= false; |
| if (fTreeViewer!=null) { |
| BaseWorkbenchContentProvider contentProvider= (BaseWorkbenchContentProvider) fTreeViewer.getContentProvider(); |
| Object[] projects= contentProvider.getElements(inputElement); |
| //Iterate through projects |
| for (int j= 0; j<projects.length; j++) { |
| if (projects[j] instanceof DiffProject) { |
| DiffProject project= (DiffProject) projects[j]; |
| //Iterate through project diffs |
| Object[] diffs= project.getChildren(project); |
| for (int i= 0; i<diffs.length; i++) { |
| Diff diff= (Diff) diffs[i]; |
| atLeastOneIsEnabled= updateEnablement(atLeastOneIsEnabled, diff); |
| } |
| } else if (projects[j] instanceof Diff) { |
| Diff diff= (Diff) projects[j]; |
| atLeastOneIsEnabled= updateEnablement(atLeastOneIsEnabled, diff); |
| } |
| } |
| } |
| |
| //Check to see if Match Project button should be visible |
| fMatchProject.setVisible(fPatchWizard.getPatcher().isWorkspacePatch()); |
| |
| setPageComplete(atLeastOneIsEnabled); |
| } |
| |
| private boolean updateEnablement(boolean atLeastOneIsEnabled, Diff diff) { |
| boolean checked= fTreeViewer.getChecked(diff); |
| diff.setEnabled(checked); |
| if (checked) { |
| Object[] hunkItems= diff.getChildren(diff); |
| for (int h= 0; h<hunkItems.length; h++) { |
| Hunk hunk= (Hunk) hunkItems[h]; |
| checked= fTreeViewer.getChecked(hunk); |
| hunk.setEnabled(checked); |
| if (checked) { |
| //For workspace patch: before setting enabled flag, make sure that the project |
| //that contains this hunk actually exists in the workspace. This is to guard against the |
| //case of having a new file in a patch that is being applied to a project that |
| //doesn't currently exist. |
| boolean projectExists= true; |
| DiffProject project= (DiffProject)diff.getParent(null); |
| if (project!= null){ |
| projectExists=project.getProject().exists(); |
| } |
| if (projectExists) |
| atLeastOneIsEnabled= true; |
| } |
| |
| } |
| } |
| |
| return atLeastOneIsEnabled; |
| } |
| |
| } |
