| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.BufferedReader; |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.text.MessageFormat; |
| |
| import org.eclipse.compare.internal.ICompareContextIds; |
| import org.eclipse.compare.internal.Utilities; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.wizard.IWizardPage; |
| import org.eclipse.jface.wizard.WizardPage; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.TextTransfer; |
| 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.events.ShellAdapter; |
| import org.eclipse.swt.events.ShellEvent; |
| 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.FileDialog; |
| 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.model.WorkbenchContentProvider; |
| import org.eclipse.ui.model.WorkbenchLabelProvider; |
| import org.eclipse.ui.views.navigator.ResourceSorter; |
| |
| |
| |
| /* package */ class InputPatchPage extends WizardPage { |
| |
| // constants |
| protected static final int SIZING_TEXT_FIELD_WIDTH= 250; |
| protected static final int COMBO_HISTORY_LENGTH= 5; |
| |
| // dialog store id constants |
| private final static String PAGE_NAME= "PatchWizardPage1"; //$NON-NLS-1$ |
| private final static String STORE_PATCH_FILES_ID= PAGE_NAME+".PATCH_FILES"; //$NON-NLS-1$ |
| private final static String STORE_INPUT_METHOD_ID= PAGE_NAME+".INPUT_METHOD"; //$NON-NLS-1$ |
| private final static String STORE_WORKSPACE_PATH_ID= PAGE_NAME+".WORKSPACE_PATH"; //$NON-NLS-1$ |
| //patch input constants |
| protected final static int CLIPBOARD= 1; |
| protected final static int FILE= 2; |
| protected final static int WORKSPACE= 3; |
| |
| static final char SEPARATOR= System.getProperty("file.separator").charAt(0); //$NON-NLS-1$ |
| |
| private boolean fShowError= false; |
| |
| // SWT widgets |
| private Button fUseClipboardButton; |
| |
| private Combo fPatchFileNameField; |
| private Button fPatchFileBrowseButton; |
| private Button fUsePatchFileButton; |
| |
| private Button fUseWorkspaceButton; |
| private TreeViewer fTreeViewer; |
| |
| private PatchWizard fPatchWizard; |
| |
| private ActivationListener fActivationListener = new ActivationListener(); |
| |
| protected final static String INPUTPATCHPAGE_NAME= "InputPatchPage"; //$NON-NLS-1$ |
| |
| class ActivationListener extends ShellAdapter { |
| public void shellActivated(ShellEvent e) { |
| //Allow error messages if the selected input actually has something selected in it |
| fShowError=true; |
| switch(getInputMethod()){ |
| case FILE: |
| fShowError = (fPatchFileNameField.getText() != ""); //$NON-NLS-1$ |
| break; |
| |
| case WORKSPACE: |
| fShowError = (!fTreeViewer.getSelection().isEmpty()); |
| break; |
| |
| } |
| updateWidgetEnablements(); |
| } |
| } |
| |
| |
| InputPatchPage(PatchWizard pw) { |
| super(INPUTPATCHPAGE_NAME, PatchMessages.InputPatchPage_title, null); |
| fPatchWizard= pw; |
| setMessage(PatchMessages.InputPatchPage_message); |
| } |
| |
| /* |
| * Get a path from the supplied text widget. |
| * @return org.eclipse.core.runtime.IPath |
| */ |
| protected IPath getPathFromText(Text textField) { |
| return (new Path(textField.getText())).makeAbsolute(); |
| } |
| |
| /* package */ String getPatchName() { |
| if (getInputMethod()==CLIPBOARD) |
| return PatchMessages.InputPatchPage_Clipboard; |
| return getPatchFilePath(); |
| } |
| |
| 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)); |
| setControl(composite); |
| |
| buildPatchFileGroup(composite); |
| |
| //see if there are any better options presently selected |
| if(!adjustToCurrentTarget()){ |
| //get the persisted values |
| restoreWidgetValues(); |
| } |
| |
| //No error for dialog opening |
| fShowError=false; |
| clearErrorMessage(); |
| updateWidgetEnablements(); |
| |
| Shell shell= getShell(); |
| shell.addShellListener(fActivationListener); |
| |
| Dialog.applyDialogFont(composite); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, ICompareContextIds.PATCH_INPUT_WIZARD_PAGE); |
| } |
| |
| /** |
| * Returns the next page depending on what type of patch is being applied: |
| * i) If the patch is a Workspace patch then it will proceed right to the PreviewPatchPage |
| * ii) If the patch is a single project patch then it will proceed to the PatchTargetPage, which |
| * allows the user to specify where to root the patch |
| * @return PreviewPatchPage if multi-project patch, PatchTargetPage if single project patch |
| */ |
| public IWizardPage getNextPage() { |
| |
| WorkspacePatcher patcher= ((PatchWizard) getWizard()).getPatcher(); |
| |
| String source= ""; //$NON-NLS-1$ |
| |
| // Create a reader for the input |
| Reader reader= null; |
| try { |
| int inputMethod= getInputMethod(); |
| if (inputMethod==CLIPBOARD) { |
| Control c= getControl(); |
| if (c != null) { |
| Clipboard clipboard= new Clipboard(c.getDisplay()); |
| Object o= clipboard.getContents(TextTransfer.getInstance()); |
| clipboard.dispose(); |
| if (o instanceof String) |
| reader= new StringReader((String)o); |
| } |
| source= PatchMessages.InputPatchPage_Clipboard_title; |
| } else if (inputMethod==FILE) { |
| String patchFilePath= getPatchFilePath(); |
| if (patchFilePath != null) { |
| try { |
| reader= new FileReader(patchFilePath); |
| } catch (FileNotFoundException ex) { |
| MessageDialog.openError(null, |
| PatchMessages.InputPatchPage_PatchErrorDialog_title, |
| PatchMessages.InputPatchPage_PatchFileNotFound_message); |
| } |
| } |
| source= PatchMessages.InputPatchPage_PatchFile_title; |
| } else if (inputMethod==WORKSPACE) { |
| //Get the selected patch file (tree will only allow for one selection) |
| IResource[] resources= Utilities.getResources(fTreeViewer.getSelection()); |
| IResource patchFile= resources[0]; |
| if (patchFile!=null) { |
| try { |
| reader= new FileReader(patchFile.getRawLocation().toFile()); |
| } catch (FileNotFoundException ex) { |
| MessageDialog.openError(null, PatchMessages.InputPatchPage_PatchErrorDialog_title, PatchMessages.InputPatchPage_PatchFileNotFound_message); |
| } catch (NullPointerException nex) { |
| //in case the path doesn't exist |
| MessageDialog.openError(null, PatchMessages.InputPatchPage_PatchErrorDialog_title, PatchMessages.InputPatchPage_PatchFileNotFound_message); |
| } |
| } |
| source= PatchMessages.InputPatchPage_WorkspacePatch_title; |
| } |
| |
| // parse the input |
| if (reader != null) { |
| try { |
| patcher.parse(new BufferedReader(reader)); |
| } catch (IOException ex) { |
| MessageDialog.openError(null, |
| PatchMessages.InputPatchPage_PatchErrorDialog_title, |
| PatchMessages.InputPatchPage_ParseError_message); |
| } |
| } |
| } finally { |
| if (reader != null) { |
| try { |
| reader.close(); |
| } catch (IOException x) { |
| // silently ignored |
| } |
| } |
| } |
| |
| Diff[] diffs= patcher.getDiffs(); |
| if (diffs == null || diffs.length == 0) { |
| String format= PatchMessages.InputPatchPage_NoDiffsFound_format; |
| String message= MessageFormat.format(format, new String[] { source }); |
| MessageDialog.openInformation(null, |
| PatchMessages.InputPatchPage_PatchErrorDialog_title, message); |
| return this; |
| } |
| |
| // guess prefix count |
| int guess= 0; // guessPrefix(diffs); |
| patcher.setStripPrefixSegments(guess); |
| |
| //If this is a workspace patch we don't need to set a target as the targets will be figured out from |
| //all of the projects that make up the patch and continue on to final preview page |
| //else go on to target selection page |
| if (patcher.isWorkspacePatch()) { |
| return fPatchWizard.getPage(PreviewPatchPage.PREVIEWPATCHPAGE_NAME); |
| } |
| |
| return super.getNextPage(); |
| } |
| |
| /* (non-JavaDoc) |
| * Method declared in IWizardPage. |
| */ |
| public boolean canFlipToNextPage() { |
| // we can't call getNextPage to determine if flipping is allowed since computing |
| // the next page is quite expensive. So we say yes if the page is complete. |
| return isPageComplete(); |
| } |
| |
| private void setEnablePatchFile(boolean enable) { |
| fPatchFileNameField.setEnabled(enable); |
| fPatchFileBrowseButton.setEnabled(enable); |
| } |
| |
| private void setEnableWorkspacePatch(boolean enable) { |
| fTreeViewer.getTree().setEnabled(enable); |
| } |
| |
| /* |
| * Create the group for selecting the patch file |
| */ |
| private void buildPatchFileGroup(Composite parent) { |
| |
| final Composite composite= new Composite(parent, SWT.NULL); |
| GridLayout gridLayout= new GridLayout(); |
| gridLayout.numColumns= 3; |
| composite.setLayout(gridLayout); |
| composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| |
| // 1st row |
| GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); |
| gd.horizontalSpan= 3; |
| fUseClipboardButton= new Button(composite, SWT.RADIO); |
| fUseClipboardButton.setText(PatchMessages.InputPatchPage_UseClipboardButton_text); |
| fUseClipboardButton.setLayoutData(gd); |
| |
| // 2nd row |
| fUsePatchFileButton= new Button(composite, SWT.RADIO); |
| fUsePatchFileButton.setText(PatchMessages.InputPatchPage_FileButton_text); |
| |
| fPatchFileNameField= new Combo(composite, SWT.BORDER); |
| //gd.horizontalIndent= 8; |
| gd= new GridData(GridData.FILL_HORIZONTAL); |
| gd.widthHint= SIZING_TEXT_FIELD_WIDTH; |
| fPatchFileNameField.setLayoutData(gd); |
| |
| fPatchFileBrowseButton= new Button(composite, SWT.PUSH); |
| fPatchFileBrowseButton.setText(PatchMessages.InputPatchPage_ChooseFileButton_text); |
| fPatchFileBrowseButton.setLayoutData(new GridData()); |
| |
| //3rd row |
| fUseWorkspaceButton= new Button(composite, SWT.RADIO); |
| fUseWorkspaceButton.setText(PatchMessages.InputPatchPage_UseWorkspaceButton_text); |
| gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); |
| fUseWorkspaceButton.setLayoutData(gd); |
| |
| addWorkspaceControls(parent); |
| |
| // Add listeners |
| fUseClipboardButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (!fUseClipboardButton.getSelection()) |
| return; |
| |
| clearErrorMessage(); |
| fShowError= true; |
| updateWidgetEnablements(); |
| } |
| }); |
| |
| fUsePatchFileButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (!fUsePatchFileButton.getSelection()) |
| return; |
| //If there is anything typed in at all |
| clearErrorMessage(); |
| fShowError = (fPatchFileNameField.getText() != ""); //$NON-NLS-1$ |
| int state= getInputMethod(); |
| setEnablePatchFile(state==FILE); |
| setEnableWorkspacePatch(state==WORKSPACE); |
| updateWidgetEnablements(); |
| } |
| }); |
| fPatchFileNameField.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| setSourceName(fPatchFileNameField.getText()); |
| updateWidgetEnablements(); |
| } |
| }); |
| fPatchFileNameField.addModifyListener(new ModifyListener() { |
| public void modifyText(ModifyEvent e) { |
| clearErrorMessage(); |
| fShowError= true; |
| updateWidgetEnablements(); |
| } |
| }); |
| fPatchFileBrowseButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| clearErrorMessage(); |
| fShowError= true; |
| handlePatchFileBrowseButtonPressed(); |
| updateWidgetEnablements(); |
| } |
| }); |
| fUseWorkspaceButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (!fUseWorkspaceButton.getSelection()) |
| return; |
| clearErrorMessage(); |
| //If there is anything typed in at all |
| fShowError = (!fTreeViewer.getSelection().isEmpty()); |
| int state= getInputMethod(); |
| setEnablePatchFile(state==FILE); |
| setEnableWorkspacePatch(state==WORKSPACE); |
| updateWidgetEnablements(); |
| } |
| }); |
| |
| fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| clearErrorMessage(); |
| updateWidgetEnablements(); |
| } |
| }); |
| } |
| |
| private void addWorkspaceControls(Composite composite) { |
| |
| |
| Composite newComp = new Composite(composite, SWT.NONE); |
| GridLayout layout= new GridLayout(1, false); |
| layout.marginWidth = 15; |
| layout.marginHeight = 0; |
| layout.marginLeft = 5; |
| newComp.setLayout(layout); |
| newComp.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| |
| new Label(newComp, SWT.LEFT).setText(PatchMessages.InputPatchPage_WorkspaceSelectPatch_text); |
| |
| fTreeViewer= new TreeViewer(newComp, SWT.BORDER); |
| final GridData gd= new GridData(SWT.FILL, SWT.FILL, true, true); |
| gd.widthHint= 0; |
| gd.heightHint= 0; |
| fTreeViewer.getTree().setLayoutData(gd); |
| |
| fTreeViewer.setLabelProvider(new WorkbenchLabelProvider()); |
| fTreeViewer.setContentProvider(new WorkbenchContentProvider()); |
| fTreeViewer.setSorter(new ResourceSorter(ResourceSorter.NAME)); |
| fTreeViewer.setInput(ResourcesPlugin.getWorkspace().getRoot()); |
| } |
| |
| |
| /** |
| * Updates the enable state of this page's controls. |
| */ |
| private void updateWidgetEnablements() { |
| |
| String error= null; |
| |
| boolean gotPatch= false; |
| int inputMethod= getInputMethod(); |
| if (inputMethod==CLIPBOARD) { |
| Control c= getControl(); |
| if (c != null) { |
| Clipboard clipboard= new Clipboard(c.getDisplay()); |
| Object o= clipboard.getContents(TextTransfer.getInstance()); |
| clipboard.dispose(); |
| if (o instanceof String) { |
| String s= ((String) o).trim(); |
| if (s.length() > 0) |
| gotPatch= true; |
| else |
| error= PatchMessages.InputPatchPage_ClipboardIsEmpty_message; |
| } else |
| error= PatchMessages.InputPatchPage_NoTextInClipboard_message; |
| } else |
| error= PatchMessages.InputPatchPage_CouldNotReadClipboard_message; |
| } else if (inputMethod==FILE) { |
| String path= fPatchFileNameField.getText(); |
| if (path != null && path.length() > 0) { |
| File file= new File(path); |
| gotPatch= file.exists() && file.isFile() && file.length() > 0; |
| if (!gotPatch) |
| error= PatchMessages.InputPatchPage_CannotLocatePatch_message + path; |
| } else { |
| error= PatchMessages.InputPatchPage_NoFileName_message; |
| } |
| } else if (inputMethod==WORKSPACE) { |
| //Get the selected patch file (tree will only allow for one selection) |
| IResource[] resources= Utilities.getResources(fTreeViewer.getSelection()); |
| if (resources!=null&&resources.length>0) { |
| IResource patchFile= resources[0]; |
| if (patchFile!=null&&patchFile.getType()==IResource.FILE) { |
| File actualFile= patchFile.getRawLocation().toFile(); |
| gotPatch= actualFile.exists()&&actualFile.isFile()&&actualFile.length()>0; |
| if (!gotPatch) |
| error= PatchMessages.InputPatchPage_FileSelectedNotPatch_message; |
| } |
| } else { |
| error= PatchMessages.InputPatchPage_NoFileName_message; |
| } |
| } |
| |
| setPageComplete(gotPatch); |
| |
| if (fShowError) |
| setErrorMessage(error); |
| } |
| |
| protected void handlePatchFileBrowseButtonPressed() { |
| FileDialog dialog= new FileDialog(getShell(), SWT.NONE); |
| dialog.setText(PatchMessages.InputPatchPage_SelectPatchFileDialog_title); |
| String patchFilePath= getPatchFilePath(); |
| if (patchFilePath != null) { |
| int lastSegment= patchFilePath.lastIndexOf(SEPARATOR); |
| if (lastSegment > 0) { |
| patchFilePath= patchFilePath.substring(0, lastSegment); |
| } |
| } |
| dialog.setFilterPath(patchFilePath); |
| String res= dialog.open(); |
| if (res == null) |
| return; |
| |
| patchFilePath= dialog.getFileName(); |
| IPath filterPath= new Path(dialog.getFilterPath()); |
| IPath path= filterPath.append(patchFilePath).makeAbsolute(); |
| patchFilePath= path.toOSString(); |
| //fDialogSettings.put(IUIConstants.DIALOGSTORE_LASTEXTJAR, filterPath.toOSString()); |
| |
| fPatchFileNameField.setText(patchFilePath); |
| //setSourceName(patchFilePath); |
| } |
| |
| /** |
| * Sets the source name of the import to be the supplied path. |
| * Adds the name of the path to the list of items in the |
| * source combo and selects it. |
| * |
| * @param path the path to be added |
| */ |
| protected void setSourceName(String path) { |
| |
| if (path.length() > 0) { |
| |
| String[] currentItems= fPatchFileNameField.getItems(); |
| int selectionIndex= -1; |
| for (int i= 0; i < currentItems.length; i++) |
| if (currentItems[i].equals(path)) |
| selectionIndex= i; |
| |
| if (selectionIndex < 0) { // not found in history |
| int oldLength= currentItems.length; |
| String[] newItems= new String[oldLength + 1]; |
| System.arraycopy(currentItems, 0, newItems, 0, oldLength); |
| newItems[oldLength]= path; |
| fPatchFileNameField.setItems(newItems); |
| selectionIndex= oldLength; |
| } |
| fPatchFileNameField.select(selectionIndex); |
| |
| //resetSelection(); |
| } |
| } |
| |
| /** |
| * The Finish button was pressed. Try to do the required work now and answer |
| * a boolean indicating success. If false is returned then the wizard will |
| * not close. |
| * |
| * @return boolean |
| */ |
| public boolean finish() { |
| // if (!ensureSourceIsValid()) |
| // return false; |
| |
| saveWidgetValues(); |
| |
| // Iterator resourcesEnum = getSelectedResources().iterator(); |
| // List fileSystemObjects = new ArrayList(); |
| // while (resourcesEnum.hasNext()) { |
| // fileSystemObjects.add( |
| // ((FileSystemElement) resourcesEnum.next()).getFileSystemObject()); |
| // } |
| // |
| // if (fileSystemObjects.size() > 0) |
| // return importResources(fileSystemObjects); |
| // |
| // MessageDialog |
| // .openInformation( |
| // getContainer().getShell(), |
| // DataTransferMessages.getString("DataTransfer.information"), //$NON-NLS-1$ |
| // DataTransferMessages.getString("FileImport.noneSelected")); //$NON-NLS-1$ |
| // |
| // return false; |
| |
| return true; |
| } |
| |
| /** |
| * Use the dialog store to restore widget values to the values that they held |
| * last time this wizard was used to completion |
| */ |
| private void restoreWidgetValues() { |
| |
| int inputMethod= FILE; |
| |
| IDialogSettings settings= getDialogSettings(); |
| if (settings != null) { |
| |
| try { |
| inputMethod= settings.getInt(STORE_INPUT_METHOD_ID); |
| } catch (NumberFormatException ex) { |
| //OK - no value stored in settings; just use CLIPBOARD |
| } |
| |
| // set filenames history |
| String[] sourceNames= settings.getArray(STORE_PATCH_FILES_ID); |
| if (sourceNames != null) |
| for (int i= 0; i < sourceNames.length; i++) |
| if (sourceNames[i] != null && sourceNames[i].length() > 0) |
| fPatchFileNameField.add(sourceNames[i]); |
| |
| // set patch file path |
| String patchFilePath= settings.get(STORE_PATCH_FILES_ID); |
| if (patchFilePath != null) |
| setSourceName(patchFilePath); |
| |
| //If the previous apply patch was used with a clipboard, we need to check |
| //if there is a valid patch on the clipboard. This will be done in adjustToCurrentTarget() |
| //so just set it to FILE now and, if there exists a patch on the clipboard, then clipboard |
| //will be selected automatically |
| if (inputMethod == CLIPBOARD){ |
| inputMethod=FILE; |
| fPatchFileNameField.deselectAll(); |
| } |
| |
| //set the workspace patch selection |
| String workspaceSetting = settings.get(STORE_WORKSPACE_PATH_ID); |
| if (workspaceSetting != null && !workspaceSetting.equals("")){ //$NON-NLS-1$ |
| //See if this resource still exists in the workspace |
| IPath path = new Path(workspaceSetting); |
| IFile targetFile = ResourcesPlugin.getWorkspace().getRoot().getFile(path); |
| if (fTreeViewer != null && targetFile.exists()){ |
| fTreeViewer.expandToLevel(targetFile, 0); |
| fTreeViewer.setSelection(new StructuredSelection(targetFile)); |
| } |
| } else { |
| //check to see if the current input is set to workspace - if it is switch it |
| //back to clipboard since there is no corresponding element to go along with |
| //the tree viewer |
| if (inputMethod == WORKSPACE) |
| inputMethod=FILE; |
| } |
| } |
| |
| // set radio buttons state |
| setInputButtonState(inputMethod); |
| } |
| |
| /** |
| * Since Finish was pressed, write widget values to the dialog store so that they |
| * will persist into the next invocation of this wizard page |
| */ |
| void saveWidgetValues() { |
| IDialogSettings settings= getDialogSettings(); |
| if (settings != null) { |
| |
| settings.put(STORE_INPUT_METHOD_ID, getInputMethod()); |
| settings.put(STORE_PATCH_FILES_ID, getPatchFilePath()); |
| |
| // update source names history |
| String[] sourceNames= settings.getArray(STORE_PATCH_FILES_ID); |
| if (sourceNames == null) |
| sourceNames= new String[0]; |
| |
| sourceNames= addToHistory(sourceNames, getPatchFilePath()); |
| settings.put(STORE_PATCH_FILES_ID, sourceNames); |
| |
| //save the workspace selection |
| settings.put(STORE_WORKSPACE_PATH_ID, getWorkspacePath()); |
| |
| } |
| } |
| |
| private String getWorkspacePath() { |
| if (fTreeViewer != null){ |
| IResource[] resources= Utilities.getResources(fTreeViewer.getSelection()); |
| if (resources.length > 0){ |
| IResource patchFile= resources[0]; |
| return patchFile.getFullPath().toString(); |
| } |
| |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| |
| // static helpers |
| |
| /** |
| * Checks to see if the file that has been selected for Apply Patch |
| * is actually a patch |
| * @return true if the file selected to run Apply Patch on in the workspace is a patch file |
| * or if the clipboard contains a patch |
| */ |
| private boolean adjustToCurrentTarget() { |
| //Readjust selection if there is a patch selected in the workspace or on the clipboard |
| //Check workspace first |
| IResource patchTarget = fPatchWizard.getTarget(); |
| if (patchTarget instanceof IFile) { |
| Reader reader = null; |
| try { |
| try { |
| reader = new FileReader(patchTarget.getRawLocation().toFile()); |
| } catch (FileNotFoundException ex) {/*silently ignored*/ |
| } catch (NullPointerException nex) {/*silently ignored*/ |
| } |
| |
| if (isPatchFile(reader)) { |
| //Set choice to workspace |
| setInputButtonState(WORKSPACE); |
| if (fTreeViewer != null && patchTarget.exists()) { |
| fTreeViewer.expandToLevel(patchTarget, 0); |
| fTreeViewer.setSelection(new StructuredSelection(patchTarget)); |
| } |
| return true; |
| } |
| } finally { |
| if (reader != null) { |
| try { |
| reader.close(); |
| } catch (IOException x) {/*silently ignored*/ |
| } |
| } |
| } |
| } else { |
| //check out clipboard contents |
| Reader reader = null; |
| Control c = getControl(); |
| if (c != null) { |
| Clipboard clipboard = new Clipboard(c.getDisplay()); |
| Object o = clipboard.getContents(TextTransfer.getInstance()); |
| clipboard.dispose(); |
| try { |
| if (o instanceof String) { |
| reader = new StringReader((String) o); |
| if (isPatchFile(reader)) { |
| setInputButtonState(CLIPBOARD); |
| return true; |
| } |
| } |
| } finally { |
| if (reader != null) { |
| try { |
| reader.close(); |
| } catch (IOException x) {/*silently ignored*/ |
| } |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| |
| |
| private boolean isPatchFile(Reader reader){ |
| WorkspacePatcher patcher= ((PatchWizard) getWizard()).getPatcher(); |
| |
| try { |
| patcher.parse(new BufferedReader(reader)); |
| } catch (IOException ex) {return false;} |
| |
| Diff[] diffs= patcher.getDiffs(); |
| if (diffs == null || diffs.length == 0) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /* |
| * Clears the dialog message box |
| */ |
| private void clearErrorMessage(){ |
| setErrorMessage(null); |
| } |
| |
| private void setInputButtonState(int state) { |
| |
| switch (state) { |
| case CLIPBOARD : |
| fUseClipboardButton.setSelection(true); |
| fUsePatchFileButton.setSelection(false); |
| fUseWorkspaceButton.setSelection(false); |
| break; |
| |
| case FILE : |
| fUseClipboardButton.setSelection(false); |
| fUsePatchFileButton.setSelection(true); |
| fUseWorkspaceButton.setSelection(false); |
| break; |
| |
| case WORKSPACE : |
| fUseClipboardButton.setSelection(false); |
| fUsePatchFileButton.setSelection(false); |
| fUseWorkspaceButton.setSelection(true); |
| break; |
| } |
| |
| setEnablePatchFile(state==FILE); |
| setEnableWorkspacePatch(state==WORKSPACE); |
| } |
| |
| protected int getInputMethod() { |
| if (fUseClipboardButton.getSelection()) |
| return CLIPBOARD; |
| else if (fUsePatchFileButton.getSelection()) |
| return FILE; |
| else |
| return WORKSPACE; |
| } |
| |
| private String getPatchFilePath() { |
| if (fPatchFileNameField != null) |
| return fPatchFileNameField.getText(); |
| return ""; //$NON-NLS-1$ |
| } |
| |
| /* |
| * Adds an entry to a history, while taking care of duplicate history items |
| * and excessively long histories. The assumption is made that all histories |
| * should be of length <code>COMBO_HISTORY_LENGTH</code>. |
| * |
| * @param history the current history |
| * @param newEntry the entry to add to the history |
| */ |
| protected static String[] addToHistory(String[] history, String newEntry) { |
| java.util.ArrayList l= new java.util.ArrayList(java.util.Arrays.asList(history)); |
| |
| l.remove(newEntry); |
| l.add(0,newEntry); |
| |
| // since only one new item was added, we can be over the limit |
| // by at most one item |
| if (l.size() > COMBO_HISTORY_LENGTH) |
| l.remove(COMBO_HISTORY_LENGTH); |
| |
| return (String[]) l.toArray(new String[l.size()]); |
| } |
| } |
| |
