| /******************************************************************************* |
| * Copyright (c) 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.ui.internal.ide.dialogs; |
| |
| import java.io.File; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| |
| import org.eclipse.core.filesystem.IFileInfo; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| 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.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.DirectoryDialog; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.internal.ide.IDEWorkbenchMessages; |
| |
| /** |
| * ProjectContentsLocationArea is a convenience class for area that handle entry |
| * of locations using URIs. |
| * |
| * @since 3.2 |
| * |
| */ |
| public class ProjectContentsLocationArea { |
| /** |
| * IErrorMessageReporter is an interface for type that allow message |
| * reporting. |
| * |
| */ |
| public interface IErrorMessageReporter { |
| /** |
| * Report the error message |
| * |
| * @param errorMessage |
| * String or <code>null</code>. If the errorMessage is |
| * null then clear any error state. |
| */ |
| public void reportError(String errorMessage); |
| } |
| |
| private static String BROWSE_LABEL = IDEWorkbenchMessages.ProjectLocationSelectionDialog_browseLabel; |
| |
| private static final int SIZING_TEXT_FIELD_WIDTH = 250; |
| |
| private static final String FILE_SCHEME = "file"; //$NON-NLS-1$ |
| |
| private Label locationLabel; |
| |
| private Text locationPathField; |
| |
| private Button browseButton; |
| |
| private IErrorMessageReporter errorReporter; |
| |
| private String projectName = IDEResourceInfoUtils.EMPTY_STRING; |
| |
| private String userPath = IDEResourceInfoUtils.EMPTY_STRING; |
| |
| private Button useDefaultsButton; |
| |
| private IProject existingProject; |
| |
| /** |
| * Create a new instance of the receiver. |
| * |
| * @param reporter |
| * @param composite |
| * @param startProject |
| */ |
| public ProjectContentsLocationArea(IErrorMessageReporter reporter, |
| Composite composite, IProject startProject) { |
| |
| errorReporter = reporter; |
| projectName = startProject.getName(); |
| existingProject = startProject; |
| |
| boolean defaultEnabled = true; |
| try { |
| defaultEnabled = startProject.getDescription().getLocationURI() == null; |
| } catch (CoreException e1) { |
| // If we get a CoreException assume the default. |
| } |
| createContents(composite, defaultEnabled); |
| } |
| |
| /** |
| * Create a new instance of a ProjectContentsLocationArea. |
| * |
| * @param reporter |
| * @param composite |
| */ |
| public ProjectContentsLocationArea(IErrorMessageReporter reporter, |
| Composite composite) { |
| errorReporter = reporter; |
| |
| // If it is a new project always start enabled |
| createContents(composite, true); |
| } |
| |
| private void createContents(Composite composite, boolean defaultEnabled) { |
| // project specification group |
| Composite projectGroup = new Composite(composite, SWT.NONE); |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 3; |
| projectGroup.setLayout(layout); |
| projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| |
| useDefaultsButton = new Button(projectGroup, SWT.CHECK | SWT.RIGHT); |
| useDefaultsButton |
| .setText(IDEWorkbenchMessages.ProjectLocationSelectionDialog_useDefaultLabel); |
| useDefaultsButton.setSelection(defaultEnabled); |
| GridData buttonData = new GridData(); |
| buttonData.horizontalSpan = 3; |
| useDefaultsButton.setLayoutData(buttonData); |
| |
| createUserEntryArea(projectGroup, defaultEnabled); |
| |
| useDefaultsButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| boolean useDefaults = useDefaultsButton.getSelection(); |
| |
| if (useDefaults) { |
| userPath = locationPathField.getText(); |
| locationPathField.setText(getDefaultPathDisplayString()); |
| } else |
| locationPathField.setText(userPath); |
| setUserAreaEnabled(!useDefaults); |
| } |
| }); |
| setUserAreaEnabled(!defaultEnabled); |
| } |
| |
| /** |
| * Return whether or not we are currently showing the default location for |
| * the project. |
| * |
| * @return boolean |
| */ |
| public boolean isDefault() { |
| return useDefaultsButton.getSelection(); |
| } |
| |
| /** |
| * Create the area for user entry. |
| * |
| * @param composite |
| * @param defaultEnabled |
| */ |
| private void createUserEntryArea(Composite composite, boolean defaultEnabled) { |
| // location label |
| locationLabel = new Label(composite, SWT.NONE); |
| locationLabel |
| .setText(IDEWorkbenchMessages.ProjectLocationSelectionDialog_locationLabel); |
| |
| // project location entry field |
| locationPathField = new Text(composite, SWT.BORDER); |
| GridData data = new GridData(GridData.FILL_HORIZONTAL); |
| data.widthHint = SIZING_TEXT_FIELD_WIDTH; |
| locationPathField.setLayoutData(data); |
| |
| // browse button |
| browseButton = new Button(composite, SWT.PUSH); |
| browseButton.setText(BROWSE_LABEL); |
| browseButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| handleLocationBrowseButtonPressed(); |
| } |
| }); |
| |
| if (defaultEnabled)// Will be null if it is not set |
| locationPathField.setText(getDefaultPathDisplayString()); |
| else { |
| if (existingProject == null) |
| locationPathField.setText(IDEResourceInfoUtils.EMPTY_STRING); |
| else { |
| locationPathField.setText(existingProject.getLocation() |
| .toString()); |
| } |
| } |
| |
| locationPathField.addModifyListener(new ModifyListener() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent) |
| */ |
| public void modifyText(ModifyEvent e) { |
| errorReporter.reportError(checkValidLocation()); |
| } |
| }); |
| } |
| |
| /** |
| * Return the path we are going to display. If it is a file URI then remove |
| * the file prefix. |
| * |
| * @return String |
| */ |
| private String getDefaultPathDisplayString() { |
| |
| URI defaultURI = null; |
| if (existingProject != null) |
| defaultURI = existingProject.getLocationURI(); |
| |
| // Handle files specially. Assume a file if there is no project to query |
| if (defaultURI == null || defaultURI.getScheme().equals(FILE_SCHEME)) { |
| return Platform.getLocation().append(projectName).toString(); |
| } |
| return defaultURI.toString(); |
| |
| } |
| |
| /** |
| * Set the enablement state of the receiver. |
| * |
| * @param enabled |
| */ |
| private void setUserAreaEnabled(boolean enabled) { |
| |
| locationLabel.setEnabled(enabled); |
| locationPathField.setEnabled(enabled); |
| browseButton.setEnabled(enabled); |
| } |
| |
| /** |
| * Return the browse button. Usually referenced in order to set the layout |
| * data for a dialog. |
| * |
| * @return Button |
| */ |
| public Button getBrowseButton() { |
| return browseButton; |
| } |
| |
| /** |
| * Open an appropriate directory browser |
| */ |
| private void handleLocationBrowseButtonPressed() { |
| DirectoryDialog dialog = new DirectoryDialog(locationPathField |
| .getShell()); |
| dialog |
| .setMessage(IDEWorkbenchMessages.ProjectLocationSelectionDialog_directoryLabel); |
| |
| String dirName = getPathFromLocationField(); |
| if (!dirName.equals(IDEResourceInfoUtils.EMPTY_STRING)) { |
| IFileInfo info = IDEResourceInfoUtils.getFileInfo(dirName); |
| if (info != null && info.exists()) |
| dialog.setFilterPath(dirName); |
| } |
| |
| String selectedDirectory = dialog.open(); |
| if (selectedDirectory != null) |
| updateLocationField(selectedDirectory); |
| } |
| |
| /** |
| * Update the location field based on the selected path. |
| * |
| * @param selectedPath |
| */ |
| private void updateLocationField(String selectedPath) { |
| locationPathField.setText(selectedPath); |
| } |
| |
| /** |
| * Return the path on the location field. |
| * |
| * @return String |
| */ |
| private String getPathFromLocationField() { |
| URI fieldURI; |
| try { |
| fieldURI = new URI(locationPathField.getText()); |
| } catch (URISyntaxException e) { |
| return locationPathField.getText(); |
| } |
| return fieldURI.getPath(); |
| } |
| |
| /** |
| * Check if the entry in the widget location is valid. If it is valid return |
| * null. Otherwise return a string that indicates the problem. |
| * |
| * @return String |
| */ |
| public String checkValidLocation() { |
| |
| if(isDefault()) |
| return null; |
| |
| String locationFieldContents = locationPathField.getText(); |
| if (locationFieldContents.length() == 0) { |
| return (IDEWorkbenchMessages.WizardNewProjectCreationPage_projectLocationEmpty); |
| } |
| |
| URI newPath = getLocationFieldURI(); |
| if (newPath == null) { |
| return IDEWorkbenchMessages.ProjectLocationSelectionDialog_locationError; |
| } |
| |
| if (existingProject == null) { |
| IPath projectPath = new Path(locationFieldContents); |
| if (Platform.getLocation().isPrefixOf(projectPath)) { |
| return IDEWorkbenchMessages.WizardNewProjectCreationPage_defaultLocationError; |
| } |
| |
| } else { |
| IStatus locationStatus = existingProject.getWorkspace() |
| .validateProjectLocationURI(existingProject, newPath); |
| |
| if (!locationStatus.isOK()) |
| return locationStatus.getMessage(); |
| |
| URI projectPath = existingProject.getLocationURI(); |
| if (projectPath != null && projectPath.equals(newPath)) { |
| return IDEWorkbenchMessages.ProjectLocationSelectionDialog_locationError; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Get the URI for the location field if possible. |
| * |
| * @return URI or <code>null</code> if it is not valid. |
| */ |
| private URI getLocationFieldURI() { |
| |
| String locationContents = locationPathField.getText(); |
| try { |
| return new URI(locationContents); |
| } catch (URISyntaxException e) { |
| |
| // See if it was acceptable as a file |
| return new File(locationContents).toURI(); |
| } |
| |
| } |
| |
| /** |
| * Set the text to the default or clear it if not using the defaults. |
| * |
| * @param useDefaults |
| * @param newName |
| * the name of the project to use. If <code>null</code> use the |
| * existing project name. |
| */ |
| public void updateProjectName(String newName) { |
| projectName = newName; |
| if (isDefault()) |
| locationPathField.setText(getDefaultPathDisplayString()); |
| |
| } |
| |
| /** |
| * Return the location for the project. If we are using defaults then return |
| * the workspace root so that core creates it with default values. |
| * |
| * @return String |
| */ |
| public String getProjectLocation() { |
| if (isDefault()) |
| return Platform.getLocation().toString(); |
| return locationPathField.getText(); |
| } |
| } |