| package org.eclipse.ui.wizards.datatransfer; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| import java.io.File; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jface.dialogs.*; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.help.WorkbenchHelp; |
| |
| /** |
| * Page 1 of the base resource export-to-zip Wizard |
| */ |
| /*package*/ |
| class WizardZipFileResourceExportPage1 |
| extends WizardFileSystemResourceExportPage1 { |
| |
| // widgets |
| protected Button compressContentsCheckbox; |
| |
| // constants |
| protected static final int COMBO_HISTORY_LENGTH = 5; |
| |
| // dialog store id constants |
| private final static String STORE_DESTINATION_NAMES_ID = |
| "WizardZipFileResourceExportPage1.STORE_DESTINATION_NAMES_ID"; |
| //$NON-NLS-1$ |
| private final static String STORE_OVERWRITE_EXISTING_FILE_ID = |
| "WizardZipFileResourceExportPage1.STORE_OVERWRITE_EXISTING_FILE_ID"; |
| //$NON-NLS-1$ |
| private final static String STORE_CREATE_STRUCTURE_ID = |
| "WizardZipFileResourceExportPage1.STORE_CREATE_STRUCTURE_ID"; |
| //$NON-NLS-1$ |
| private final static String STORE_COMPRESS_CONTENTS_ID = |
| "WizardZipFileResourceExportPage1.STORE_COMPRESS_CONTENTS_ID"; |
| //$NON-NLS-1$ |
| /** |
| * Create an instance of this class. |
| * |
| * @param name java.lang.String |
| */ |
| protected WizardZipFileResourceExportPage1( |
| String name, |
| IStructuredSelection selection) { |
| super(name, selection); |
| } |
| /** |
| * Create an instance of this class |
| * @param IStructuredSelection selection |
| */ |
| public WizardZipFileResourceExportPage1(IStructuredSelection selection) { |
| this("zipFileExportPage1", selection); //$NON-NLS-1$ |
| setTitle(DataTransferMessages.getString("ZipExport.exportTitle")); //$NON-NLS-1$ |
| setDescription(DataTransferMessages.getString("ZipExport.description")); //$NON-NLS-1$ |
| } |
| /** (non-Javadoc) |
| * Method declared on IDialogPage. |
| */ |
| public void createControl(Composite parent) { |
| super.createControl(parent); |
| WorkbenchHelp.setHelp( |
| getControl(), |
| IDataTransferHelpContextIds.ZIP_FILE_EXPORT_WIZARD_PAGE); |
| } |
| /** |
| * Create the export options specification widgets. |
| * |
| */ |
| protected void createOptionsGroupButtons(Group optionsGroup) { |
| |
| Font font = optionsGroup.getFont(); |
| // compress... checkbox |
| compressContentsCheckbox = |
| new Button(optionsGroup, SWT.CHECK | SWT.LEFT); |
| compressContentsCheckbox.setText(DataTransferMessages.getString("ZipExport.compressContents")); //$NON-NLS-1$ |
| compressContentsCheckbox.setFont(font); |
| |
| createDirectoryStructureOptions(optionsGroup, font); |
| |
| // initial setup |
| createDirectoryStructureButton.setSelection(true); |
| createSelectionOnlyButton.setSelection(false); |
| compressContentsCheckbox.setSelection(true); |
| } |
| /** |
| * Returns a boolean indicating whether the directory portion of the |
| * passed pathname is valid and available for use. |
| */ |
| protected boolean ensureTargetDirectoryIsValid(String fullPathname) { |
| int separatorIndex = fullPathname.lastIndexOf(File.separator); |
| |
| if (separatorIndex == -1) // ie.- default dir, which is fine |
| return true; |
| |
| return ensureTargetIsValid( |
| new File(fullPathname.substring(0, separatorIndex))); |
| } |
| /** |
| * Returns a boolean indicating whether the passed File handle is |
| * is valid and available for use. |
| */ |
| protected boolean ensureTargetFileIsValid(File targetFile) { |
| if (targetFile.exists() && targetFile.isDirectory()) { |
| displayErrorDialog(DataTransferMessages.getString("ZipExport.mustBeFile")); //$NON-NLS-1$ |
| giveFocusToDestination(); |
| return false; |
| } |
| |
| if (targetFile.exists()) { |
| if (targetFile.canWrite()) { |
| if (!queryYesNoQuestion(DataTransferMessages.getString("ZipExport.alreadyExists"))) //$NON-NLS-1$ |
| return false; |
| } |
| |
| if (!targetFile.canWrite()) { |
| displayErrorDialog(DataTransferMessages.getString("ZipExport.alreadyExistsError")); //$NON-NLS-1$ |
| giveFocusToDestination(); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| /** |
| * Ensures that the target output file and its containing directory are |
| * both valid and able to be used. Answer a boolean indicating validity. |
| */ |
| protected boolean ensureTargetIsValid() { |
| String targetPath = getDestinationValue(); |
| |
| if (!ensureTargetDirectoryIsValid(targetPath)) |
| return false; |
| |
| if (!ensureTargetFileIsValid(new File(targetPath))) |
| return false; |
| |
| return true; |
| } |
| /** |
| * Export the passed resource and recursively export all of its child resources |
| * (iff it's a container). Answer a boolean indicating success. |
| */ |
| protected boolean executeExportOperation(ZipFileExportOperation op) { |
| op.setCreateLeadupStructure( |
| createDirectoryStructureButton.getSelection()); |
| op.setUseCompression(compressContentsCheckbox.getSelection()); |
| |
| try { |
| getContainer().run(true, true, op); |
| } catch (InterruptedException e) { |
| return false; |
| } catch (InvocationTargetException e) { |
| displayErrorDialog(e.getTargetException()); |
| return false; |
| } |
| |
| IStatus status = op.getStatus(); |
| if (!status.isOK()) { |
| ErrorDialog.openError(getContainer().getShell(), DataTransferMessages.getString("DataTransfer.exportProblems"), //$NON-NLS-1$ |
| null, // no special message |
| status); |
| return false; |
| } |
| |
| return true; |
| } |
| /** |
| * 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. |
| * @returns boolean |
| */ |
| public boolean finish() { |
| if (!ensureTargetIsValid()) |
| return false; |
| |
| List resourcesToExport = getWhiteCheckedResources(); |
| |
| //Save dirty editors if possible but do not stop if not all are saved |
| saveDirtyEditors(); |
| // about to invoke the operation so save our state |
| saveWidgetValues(); |
| |
| if (resourcesToExport.size() > 0) |
| return executeExportOperation( |
| new ZipFileExportOperation( |
| null, |
| resourcesToExport, |
| getDestinationValue())); |
| |
| MessageDialog.openInformation(getContainer().getShell(), DataTransferMessages.getString("DataTransfer.information"), //$NON-NLS-1$ |
| DataTransferMessages.getString("FileExport.noneSelected")); //$NON-NLS-1$ |
| |
| return false; |
| } |
| /** |
| * Answer the string to display in the receiver as the destination type |
| */ |
| protected String getDestinationLabel() { |
| return DataTransferMessages.getString("ZipExport.destinationLabel"); //$NON-NLS-1$ |
| } |
| /** |
| * Answer the contents of self's destination specification widget. If this |
| * value does not have the required suffix then add it first. |
| */ |
| protected String getDestinationValue() { |
| String requiredSuffix = getOutputSuffix(); |
| String destinationText = super.getDestinationValue(); |
| |
| if (destinationText.length() != 0) { |
| // only append a suffix if a value has been specified for the destination |
| if (!destinationText |
| .toLowerCase() |
| .endsWith(requiredSuffix.toLowerCase())) |
| destinationText += requiredSuffix; |
| } |
| |
| return destinationText; |
| } |
| /** |
| * Answer the suffix that files exported from this wizard must have. |
| * If this suffix is a file extension (which is typically the case) |
| * then it must include the leading period character. |
| * |
| */ |
| protected String getOutputSuffix() { |
| return ".zip"; //$NON-NLS-1$ |
| } |
| /** |
| * Open an appropriate destination browser so that the user can specify a source |
| * to import from |
| */ |
| protected void handleDestinationBrowseButtonPressed() { |
| FileDialog dialog = new FileDialog(getContainer().getShell(), SWT.SAVE); |
| dialog.setFilterExtensions(new String[] { "*.zip" }); //$NON-NLS-1$ |
| |
| String currentSourceString = getDestinationValue(); |
| int lastSeparatorIndex = |
| currentSourceString.lastIndexOf(File.separator); |
| if (lastSeparatorIndex != -1) |
| dialog.setFilterPath( |
| currentSourceString.substring(0, lastSeparatorIndex)); |
| String selectedFileName = dialog.open(); |
| |
| if (selectedFileName != null) { |
| setErrorMessage(null); |
| setDestinationValue(selectedFileName); |
| } |
| } |
| /** |
| * Hook method for saving widget values for restoration by the next instance |
| * of this class. |
| */ |
| protected void internalSaveWidgetValues() { |
| // update directory names history |
| IDialogSettings settings = getDialogSettings(); |
| if (settings != null) { |
| String[] directoryNames = |
| settings.getArray(STORE_DESTINATION_NAMES_ID); |
| if (directoryNames == null) |
| directoryNames = new String[0]; |
| |
| directoryNames = |
| addToHistory(directoryNames, getDestinationValue()); |
| settings.put(STORE_DESTINATION_NAMES_ID, directoryNames); |
| |
| settings.put( |
| STORE_CREATE_STRUCTURE_ID, |
| createDirectoryStructureButton.getSelection()); |
| |
| settings.put( |
| STORE_COMPRESS_CONTENTS_ID, |
| compressContentsCheckbox.getSelection()); |
| } |
| } |
| /** |
| * Hook method for restoring widget values to the values that they held |
| * last time this wizard was used to completion. |
| */ |
| protected void restoreWidgetValues() { |
| IDialogSettings settings = getDialogSettings(); |
| if (settings != null) { |
| String[] directoryNames = |
| settings.getArray(STORE_DESTINATION_NAMES_ID); |
| if (directoryNames == null || directoryNames.length == 0) |
| return; // ie.- no settings stored |
| |
| // destination |
| setDestinationValue(directoryNames[0]); |
| for (int i = 0; i < directoryNames.length; i++) |
| addDestinationItem(directoryNames[i]); |
| |
| boolean setStructure = |
| settings.getBoolean(STORE_CREATE_STRUCTURE_ID); |
| |
| createDirectoryStructureButton.setSelection(setStructure); |
| createSelectionOnlyButton.setSelection(!setStructure); |
| |
| compressContentsCheckbox.setSelection( |
| settings.getBoolean(STORE_COMPRESS_CONTENTS_ID)); |
| } |
| } |
| } |