| /******************************************************************************* |
| * 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.*; |
| import java.lang.reflect.InvocationTargetException; |
| import java.text.MessageFormat; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.help.WorkbenchHelp; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.wizard.WizardPage; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.*; |
| |
| import org.eclipse.compare.*; |
| import org.eclipse.compare.internal.CompareUIPlugin; |
| import org.eclipse.compare.internal.DiffImage; |
| import org.eclipse.compare.internal.ICompareContextIds; |
| import org.eclipse.compare.internal.Utilities; |
| import org.eclipse.compare.structuremergeviewer.*; |
| |
| |
| /** |
| * 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.getString("PreviewPatchPage.NoName.text"); //$NON-NLS-1$ |
| } |
| public String getType() { |
| return fType; |
| } |
| public InputStream getContents() { |
| return new ByteArrayInputStream(Utilities.getBytes(fContent, UTF_16)); |
| } |
| public String getCharset() { |
| return UTF_16; |
| } |
| } |
| |
| private PatchWizard fPatchWizard; |
| |
| private Tree fTree; |
| private Combo fStripPrefixSegments; |
| private CompareViewerSwitchingPane fHunkViewer; |
| private Button fIgnoreWhitespaceButton; |
| private Button fReversePatchButton; |
| private Text fFuzzField; |
| |
| private Image[] fImages= new Image[6]; |
| private CompareConfiguration fCompareConfiguration; |
| |
| |
| /* package */ PreviewPatchPage(PatchWizard pw) { |
| super("PreviewPatchPage", //$NON-NLS-1$ |
| PatchMessages.getString("PreviewPatchPage.title"), null); //$NON-NLS-1$ |
| |
| setMessage(PatchMessages.getString("PreviewPatchPage.message")); //$NON-NLS-1$ |
| |
| fPatchWizard= pw; |
| //setPageComplete(false); |
| |
| int w= 16; |
| |
| ImageDescriptor addId= CompareUIPlugin.getImageDescriptor("ovr16/add_ov.gif"); //$NON-NLS-1$ |
| ImageDescriptor delId= CompareUIPlugin.getImageDescriptor("ovr16/del_ov.gif"); //$NON-NLS-1$ |
| |
| ImageDescriptor errId= CompareUIPlugin.getImageDescriptor("ovr16/error_ov.gif"); //$NON-NLS-1$ |
| Image errIm= errId.createImage(); |
| |
| fImages[0]= new DiffImage(null, null, w).createImage(); |
| fImages[1]= new DiffImage(null, addId, w).createImage(); |
| fImages[2]= new DiffImage(null, delId, w).createImage(); |
| |
| fImages[3]= new DiffImage(errIm, null, w).createImage(); |
| fImages[4]= new DiffImage(errIm, addId, w).createImage(); |
| fImages[5]= new DiffImage(errIm, delId, w).createImage(); |
| |
| fCompareConfiguration= new CompareConfiguration(); |
| |
| fCompareConfiguration.setLeftEditable(false); |
| fCompareConfiguration.setLeftLabel(PatchMessages.getString("PreviewPatchPage.Left.title")); //$NON-NLS-1$ |
| |
| fCompareConfiguration.setRightEditable(false); |
| fCompareConfiguration.setRightLabel(PatchMessages.getString("PreviewPatchPage.Right.title")); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in WizardPage |
| */ |
| public void setVisible(boolean visible) { |
| if (visible) |
| buildTree(); |
| super.setVisible(visible); |
| } |
| |
| Image getImage(Diff diff) { |
| if (diff.fMatches) { |
| switch (diff.getType()) { |
| case Differencer.ADDITION: |
| return fImages[1]; |
| case Differencer.DELETION: |
| return fImages[2]; |
| } |
| return fImages[0]; |
| } |
| switch (diff.getType()) { |
| case Differencer.ADDITION: |
| return fImages[4]; |
| case Differencer.DELETION: |
| return fImages[5]; |
| } |
| return fImages[3]; |
| } |
| |
| Image getImage(Hunk hunk) { |
| if (hunk.fMatches) |
| return fImages[0]; |
| return fImages[3]; |
| } |
| |
| 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)); |
| |
| WorkbenchHelp.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 |
| fTree= new Tree(splitter, SWT.CHECK | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); |
| GridData gd= new GridData(); |
| gd.verticalAlignment= GridData.FILL; |
| gd.horizontalAlignment= GridData.FILL; |
| gd.grabExcessHorizontalSpace= true; |
| gd.grabExcessVerticalSpace= true; |
| fTree.setLayoutData(gd); |
| |
| // 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); |
| } |
| }; |
| gd= new GridData(); |
| gd.verticalAlignment= GridData.FILL; |
| gd.horizontalAlignment= GridData.FILL; |
| gd.grabExcessHorizontalSpace= true; |
| gd.grabExcessVerticalSpace= true; |
| fHunkViewer.setLayoutData(gd); |
| |
| // register listeners |
| |
| fTree.addSelectionListener( |
| new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| TreeItem ti= (TreeItem) e.item; |
| Object data= e.item.getData(); |
| if (e.detail == SWT.CHECK) { |
| boolean checked= ti.getChecked(); |
| if (data instanceof Hunk) { |
| Hunk hunk= (Hunk) data; |
| checked= checked && hunk.fMatches; |
| //hunk.setEnabled(checked); |
| ti.setChecked(checked); |
| updateGrayedState(ti); |
| } else if (data instanceof Diff) { |
| updateCheckedState(ti); |
| } |
| } else { |
| if (data instanceof Hunk) |
| PreviewPatchPage.this.fHunkViewer.setInput(createInput((Hunk)data)); |
| else |
| PreviewPatchPage.this.fHunkViewer.setInput(null); |
| } |
| } |
| } |
| ); |
| fTree.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| if (fImages != null) { |
| for (int i= 0; i < fImages.length; i++) { |
| if (fImages[i] == null) |
| fImages[i].dispose(); |
| } |
| fImages= null; |
| } |
| } |
| }); |
| // creating tree's content |
| buildTree(); |
| Dialog.applyDialogFont(composite); |
| } |
| |
| /* |
| * Create the group for setting various patch options |
| */ |
| private void buildPatchOptionsGroup(Composite parent) { |
| |
| GridLayout gl; |
| GridData gd; |
| Label l; |
| |
| final Patcher patcher= fPatchWizard.getPatcher(); |
| |
| Group group= new Group(parent, SWT.NONE); |
| group.setText(PatchMessages.getString("PreviewPatchPage.PatchOptions.title")); //$NON-NLS-1$ |
| 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.getString("PreviewPatchPage.IgnoreSegments.text")); //$NON-NLS-1$ |
| 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.getString("PreviewPatchPage.ReversePatch.text")); //$NON-NLS-1$ |
| |
| 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.getString("PreviewPatchPage.FuzzFactor.text")); //$NON-NLS-1$ |
| l.setToolTipText(PatchMessages.getString("PreviewPatchPage.FuzzFactor.tooltip")); //$NON-NLS-1$ |
| 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.getString("PreviewPatchPage.GuessFuzz.text")); //$NON-NLS-1$ |
| 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.getString("PreviewPatchPage.IgnoreWhitespace.text")); //$NON-NLS-1$ |
| |
| 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 Patcher 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(Patcher 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.getString("PreviewPatchPage.GuessFuzzProgress.format"); //$NON-NLS-1$ |
| pm.beginTask(PatchMessages.getString("PreviewPatchPage.GuessFuzzProgress.text"), work); //$NON-NLS-1$ |
| 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())); |
| } |
| |
| /** |
| * Builds a tree from list of Diffs. |
| * As a side effect it calculates the maximum number of segments |
| * in all paths. |
| */ |
| private void buildTree() { |
| setPageComplete(true); |
| if (fTree != null && !fTree.isDisposed()) { |
| fTree.removeAll(); |
| fHunkViewer.setInput(null); |
| |
| int length= 99; |
| |
| Diff[] diffs= fPatchWizard.getPatcher().getDiffs(); |
| if (diffs != null) { |
| for (int i= 0; i < diffs.length; i++) { |
| Diff diff= diffs[i]; |
| TreeItem d= new TreeItem(fTree, SWT.NULL); |
| d.setData(diff); |
| d.setImage(getImage(diff)); |
| |
| if (diff.fOldPath != null) |
| length= Math.min(length, diff.fOldPath.segmentCount()); |
| if (diff.fNewPath != null) |
| length= Math.min(length, diff.fNewPath.segmentCount()); |
| |
| java.util.List hunks= diff.fHunks; |
| java.util.Iterator iter= hunks.iterator(); |
| while (iter.hasNext()) { |
| Hunk hunk= (Hunk) iter.next(); |
| TreeItem h= new TreeItem(d, SWT.NULL); |
| h.setData(hunk); |
| h.setText(hunk.getDescription()); |
| } |
| } |
| } |
| if (fStripPrefixSegments != null && length != 99) |
| for (int i= 1; i < length; i++) |
| fStripPrefixSegments.add(Integer.toString(i)); |
| } |
| |
| updateTree(); |
| } |
| |
| private IFile existsInSelection(IPath path) { |
| IResource target= fPatchWizard.getTarget(); |
| if (target instanceof IFile) { // special case |
| IFile file= (IFile) target; |
| if (matches(file.getFullPath(), path)) |
| return file; |
| } else if (target instanceof IContainer) { |
| IContainer c= (IContainer) target; |
| if (c.exists(path)) |
| return c.getFile(path); |
| } |
| return null; |
| } |
| |
| /* |
| * Returns true if path completely matches the end of fullpath |
| */ |
| private boolean matches(IPath fullpath, IPath path) { |
| |
| for (IPath p= fullpath; path.segmentCount() <= p.segmentCount(); p= p.removeFirstSegments(1)) { |
| if (p.equals(path)) |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Updates label and checked state of tree items. |
| */ |
| private void updateTree() { |
| if (fTree == null || fTree.isDisposed()) |
| return; |
| int strip= getStripPrefixSegments(); |
| TreeItem[] children= fTree.getItems(); |
| for (int i= 0; i < children.length; i++) { |
| TreeItem item= children[i]; |
| Diff diff= (Diff) item.getData(); |
| diff.fMatches= false; |
| String error= null; |
| |
| boolean create= false; |
| IFile file= null; |
| if (diff.getType() == Differencer.ADDITION) { |
| IPath p= diff.fNewPath; |
| if (strip > 0 && strip < p.segmentCount()) |
| p= p.removeFirstSegments(strip); |
| file= existsInSelection(p); |
| if (file == null) { |
| diff.fMatches= true; |
| } else { |
| // file already exists |
| error= PatchMessages.getString("PreviewPatchPage.FileExists.error"); //$NON-NLS-1$ |
| } |
| create= true; |
| } else { |
| IPath p= diff.fOldPath; |
| if (strip > 0 && strip < p.segmentCount()) |
| p= p.removeFirstSegments(strip); |
| file= existsInSelection(p); |
| diff.fMatches= false; |
| if (file != null) { |
| if (file.isReadOnly()) { |
| // file is readonly |
| error= PatchMessages.getString("PreviewPatchPage.FileIsReadOnly.error"); //$NON-NLS-1$ |
| file= null; |
| } else { |
| diff.fMatches= true; |
| } |
| } else { |
| // file doesn't exist |
| error= PatchMessages.getString("PreviewPatchPage.FileDoesNotExist.error"); //$NON-NLS-1$ |
| } |
| } |
| |
| ArrayList failedHunks= new ArrayList(); |
| Patcher patcher= fPatchWizard.getPatcher(); |
| patcher.setFuzz(getFuzzFactor()); |
| patcher.apply(diff, file, create, failedHunks); |
| |
| if (failedHunks.size() > 0) |
| diff.fRejected= fPatchWizard.getPatcher().getRejected(failedHunks); |
| |
| int checkedSubs= 0; // counts checked hunk items |
| TreeItem[] hunkItems= item.getItems(); |
| for (int h= 0; h < hunkItems.length; h++) { |
| Hunk hunk= (Hunk) hunkItems[h].getData(); |
| boolean failed= failedHunks.contains(hunk); |
| String hunkError= null; |
| if (failed) |
| hunkError= PatchMessages.getString("PreviewPatchPage.NoMatch.error"); //$NON-NLS-1$ |
| |
| boolean check= !failed; |
| hunkItems[h].setChecked(check); |
| if (check) |
| checkedSubs++; |
| |
| String hunkLabel= hunk.getDescription(); |
| if (hunkError != null) |
| hunkLabel+= " " + hunkError; //$NON-NLS-1$ |
| hunkItems[h].setText(hunkLabel); |
| hunkItems[h].setImage(getImage(hunk)); |
| } |
| |
| String label= diff.getDescription(strip); |
| if (error != null) |
| label+= " " + error; //$NON-NLS-1$ |
| item.setText(label); |
| item.setImage(getImage(diff)); |
| item.setChecked(checkedSubs > 0); |
| boolean gray= (checkedSubs > 0 && checkedSubs < hunkItems.length); |
| item.setGrayed(gray); |
| item.setExpanded(gray); |
| } |
| setPageComplete(updateModel()); |
| } |
| |
| /* |
| * Updates the gray state of the given diff and the checked state of its children. |
| */ |
| private void updateCheckedState(TreeItem diffItem) { |
| boolean checked= diffItem.getChecked(); |
| // check whether we can enable all hunks |
| TreeItem[] hunks= diffItem.getItems(); |
| int checkedCount= 0; |
| for (int i= 0; i < hunks.length; i++) { |
| Hunk hunk= (Hunk) hunks[i].getData(); |
| if (checked) { |
| if (hunk.fMatches) { |
| hunks[i].setChecked(true); |
| checkedCount++; |
| } |
| } else { |
| hunks[i].setChecked(false); |
| } |
| } |
| diffItem.setGrayed(checkedCount > 0 && checkedCount < hunks.length); |
| diffItem.setChecked(checkedCount > 0); |
| |
| setPageComplete(updateModel()); |
| } |
| |
| /* |
| * Updates the gray state of the given items parent. |
| */ |
| private void updateGrayedState(TreeItem hunk) { |
| TreeItem diff= hunk.getParentItem(); |
| TreeItem[] hunks= diff.getItems(); |
| int checked= 0; |
| for (int i= 0; i < hunks.length; i++) |
| if (hunks[i].getChecked()) |
| checked++; |
| diff.setChecked(checked > 0); |
| diff.setGrayed(checked > 0 && checked < hunks.length); |
| |
| setPageComplete(updateModel()); |
| } |
| |
| 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; |
| } |
| |
| public boolean updateModel() { |
| boolean atLeastOneIsEnabled= false; |
| if (fTree != null && !fTree.isDisposed()) { |
| TreeItem [] diffItems= fTree.getItems(); |
| for (int i= 0; i < diffItems.length; i++) { |
| TreeItem diffItem= diffItems[i]; |
| Object data= diffItem.getData(); |
| if (data instanceof Diff) { |
| Diff diff= (Diff) data; |
| boolean b= diffItem.getChecked(); |
| diff.setEnabled(b); |
| if (b) { |
| TreeItem [] hunkItems= diffItem.getItems(); |
| for (int j= 0; j < hunkItems.length; j++) { |
| TreeItem hunkItem= hunkItems[j]; |
| data= hunkItem.getData(); |
| if (data instanceof Hunk) { |
| Hunk hunk= (Hunk) data; |
| b= hunkItem.getChecked(); |
| hunk.setEnabled(b); |
| if (b) { |
| atLeastOneIsEnabled= true; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| return atLeastOneIsEnabled; |
| } |
| } |