Java tutorial
/******************************************************************************* * Copyright (c) 2009 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 * Zend Technologies *******************************************************************************/ package org.eclipse.php.internal.debug.ui.pathmapper; import java.io.File; import java.io.FileFilter; import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.dltk.core.DLTKCore; import org.eclipse.dltk.core.IBuildpathEntry; import org.eclipse.dltk.core.environment.EnvironmentPathUtils; import org.eclipse.dltk.ui.viewsupport.ScriptUILabelProvider; import org.eclipse.jface.dialogs.*; import org.eclipse.jface.viewers.*; import org.eclipse.jface.window.Window; import org.eclipse.osgi.util.NLS; import org.eclipse.php.internal.core.includepath.IncludePath; import org.eclipse.php.internal.core.includepath.IncludePathManager; import org.eclipse.php.internal.core.project.PHPNature; import org.eclipse.php.internal.debug.core.pathmapper.PathEntry.Type; import org.eclipse.php.internal.debug.core.pathmapper.PathMapper.Mapping; import org.eclipse.php.internal.debug.core.pathmapper.PathMapper.Mapping.MappingSource; import org.eclipse.php.internal.debug.core.pathmapper.VirtualPath; import org.eclipse.php.internal.debug.ui.PHPDebugUIImages; import org.eclipse.php.internal.debug.ui.PHPDebugUIPlugin; import org.eclipse.php.internal.debug.ui.pathmapper.PathMapperEntryDialog.WorkspaceBrowseDialog.IPFile; import org.eclipse.php.internal.ui.util.PHPPluginImages; import org.eclipse.php.internal.ui.util.PixelConverter; import org.eclipse.php.internal.ui.util.StatusInfo; import org.eclipse.swt.SWT; import org.eclipse.swt.events.*; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; import org.eclipse.ui.ISharedImages; import org.eclipse.ui.PlatformUI; public class PathMapperEntryDialog extends TitleAreaDialog { private Mapping fEditData; private Text fRemotePathText; private Button fWorkspacePathBtn; private Button fExternalPathBtn; private Text fWorkspacePathText; private Text fExternalPathText; private Button fWorkspacePathBrowseBtn; private Button fExternalPathBrowseBtn; private Button ignoreMappingBtn; private Text ignorePathText; private IDialogSettings fDialogSettings; public PathMapperEntryDialog(Shell parent) { this(parent, null); } public PathMapperEntryDialog(Shell parent, Mapping editData) { super(parent); if (editData != null) { fEditData = editData.clone(); } } public Mapping getResult() { return fEditData; } protected Control createDialogArea(Composite parent) { parent = (Composite) super.createDialogArea(parent); Composite mainComp = new Composite(parent, SWT.None); mainComp.setLayout(new GridLayout()); mainComp.setLayoutData(new GridData(GridData.FILL_BOTH)); // Remote path text field: Label label = new Label(mainComp, SWT.NONE); label.setText(Messages.PathMapperEntryDialog_2); fRemotePathText = new Text(mainComp, SWT.BORDER); fRemotePathText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { ignorePathText.setText(fRemotePathText.getText()); validate(); } }); GridData layoutData = new GridData(GridData.FILL_HORIZONTAL); fRemotePathText.setLayoutData(layoutData); // Radio buttons group: Composite typeSelectionGroup = new Composite(mainComp, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = 0; layout.marginWidth = 0; layout.marginTop = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); typeSelectionGroup.setLayout(layout); typeSelectionGroup.setLayoutData(new GridData(GridData.FILL_BOTH)); Label divider = new Label(typeSelectionGroup, SWT.HORIZONTAL | SWT.SEPARATOR); layoutData = new GridData(GridData.FILL_HORIZONTAL); layoutData.horizontalSpan = 2; divider.setLayoutData(layoutData); // Workspace file: fWorkspacePathBtn = new Button(typeSelectionGroup, SWT.RADIO); layoutData = new GridData(GridData.FILL_HORIZONTAL); layoutData.horizontalSpan = 2; fWorkspacePathBtn.setLayoutData(layoutData); fWorkspacePathBtn.setText(Messages.PathMapperEntryDialog_3); fWorkspacePathBtn.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { boolean enabled = fWorkspacePathBtn.getSelection(); fWorkspacePathText.setEnabled(enabled); fWorkspacePathBrowseBtn.setEnabled(enabled); fExternalPathText.setEnabled(!enabled); fExternalPathBrowseBtn.setEnabled(!enabled); ignorePathText.setEnabled(!enabled); validate(); } }); fWorkspacePathText = new Text(typeSelectionGroup, SWT.BORDER); layoutData = new GridData(GridData.FILL_HORIZONTAL); fWorkspacePathText.setLayoutData(layoutData); fWorkspacePathText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { fWorkspacePathText.setData(Type.WORKSPACE); validate(); } }); fWorkspacePathBrowseBtn = new Button(typeSelectionGroup, SWT.NONE); setButtonLayoutData(fWorkspacePathBrowseBtn); fWorkspacePathBrowseBtn.setText(Messages.PathMapperEntryDialog_4); fWorkspacePathBrowseBtn.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { WorkspaceBrowseDialog dialog = new WorkspaceBrowseDialog(getShell()); if (dialog.open() == Window.OK) { Object selectedElement = dialog.getSelectedElement(); fWorkspacePathText.setData(null); if (selectedElement instanceof IResource) { IResource resource = (IResource) selectedElement; fWorkspacePathText.setData(Type.WORKSPACE); fWorkspacePathText.setText(resource.getFullPath().toString()); } else if (selectedElement instanceof IBuildpathEntry) { IBuildpathEntry includePathEntry = (IBuildpathEntry) selectedElement; fWorkspacePathText.setData( includePathEntry.getEntryKind() == IBuildpathEntry.BPE_VARIABLE ? Type.INCLUDE_VAR : Type.INCLUDE_FOLDER); if (includePathEntry.getEntryKind() == IBuildpathEntry.BPE_VARIABLE) { IPath incPath = DLTKCore.getResolvedVariablePath(includePathEntry.getPath()); if (incPath != null) { fWorkspacePathText.setText(incPath.toOSString()); } } else { fWorkspacePathText.setText( EnvironmentPathUtils.getLocalPath(includePathEntry.getPath()).toOSString()); } } else if (selectedElement instanceof IPFile) { IPFile ipFile = (IPFile) selectedElement; IBuildpathEntry includePathEntry = ipFile.includePathEntry; fWorkspacePathText.setData( includePathEntry.getEntryKind() == IBuildpathEntry.BPE_VARIABLE ? Type.INCLUDE_VAR : Type.INCLUDE_FOLDER); fWorkspacePathText.setText(ipFile.file.getAbsolutePath()); } } } }); // External file: fExternalPathBtn = new Button(typeSelectionGroup, SWT.RADIO); layoutData = new GridData(GridData.FILL_HORIZONTAL); layoutData.horizontalSpan = 2; fExternalPathBtn.setLayoutData(layoutData); fExternalPathBtn.setText(Messages.PathMapperEntryDialog_5); fExternalPathBtn.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { boolean enabled = fExternalPathBtn.getSelection(); fExternalPathText.setEnabled(enabled); fExternalPathBrowseBtn.setEnabled(enabled); fWorkspacePathText.setEnabled(!enabled); fWorkspacePathBrowseBtn.setEnabled(!enabled); ignorePathText.setEnabled(!enabled); validate(); } }); fExternalPathText = new Text(typeSelectionGroup, SWT.BORDER); layoutData = new GridData(GridData.FILL_HORIZONTAL); fExternalPathText.setLayoutData(layoutData); fExternalPathText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { validate(); } }); fExternalPathBrowseBtn = new Button(typeSelectionGroup, SWT.NONE); setButtonLayoutData(fExternalPathBrowseBtn); fExternalPathBrowseBtn.setText(Messages.PathMapperEntryDialog_4); fExternalPathBrowseBtn.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { DirectoryDialog dialog = new DirectoryDialog(getShell()); dialog.setMessage("Select local folder"); String path = dialog.open(); if (path != null) { fExternalPathText.setText(path); } } }); ignoreMappingBtn = new Button(typeSelectionGroup, SWT.RADIO); ignoreMappingBtn.setText(Messages.PathMapperEntryDialog_18); layoutData = new GridData(GridData.FILL_HORIZONTAL); layoutData.horizontalSpan = 2; ignoreMappingBtn.setLayoutData(layoutData); ignoreMappingBtn.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { boolean enabled = ignoreMappingBtn.getSelection(); fWorkspacePathText.setEnabled(!enabled); fWorkspacePathBrowseBtn.setEnabled(!enabled); fExternalPathText.setEnabled(!enabled); fExternalPathBrowseBtn.setEnabled(!enabled); ignorePathText.setEnabled(enabled); validate(); } }); ignorePathText = new Text(typeSelectionGroup, SWT.BORDER | SWT.READ_ONLY); ignorePathText.setEnabled(false); layoutData = new GridData(GridData.FILL_HORIZONTAL); ignorePathText.setLayoutData(layoutData); ignorePathText.setText(""); //$NON-NLS-1$ applyDialogFont(mainComp); initializeValues(); return parent; } @Override protected Control createContents(Composite parent) { Control control = super.createContents(parent); setTitleImage( PHPDebugUIImages.getImageDescriptor(PHPDebugUIImages.IMG_WIZBAN_MAPPING_SERVER).createImage()); if (fEditData != null) { getShell().setText(Messages.PathMapperEntryDialog_0); setTitle(Messages.PathMapperEntryDialog_6); setMessage(Messages.PathMapperEntryDialog_7); } else { getShell().setText(Messages.PathMapperEntryDialog_1); setTitle(Messages.PathMapperEntryDialog_8); setMessage(Messages.PathMapperEntryDialog_19); } // proper OK button state will be set with next validation disableOkButton(); return control; } protected void initializeValues() { fWorkspacePathBtn.setSelection(true); fExternalPathBtn.setSelection(false); if (fEditData != null) { enableOkButton(); fRemotePathText.setText(fEditData.remotePath.toString()); if (fEditData.type == Type.SERVER) { fExternalPathBtn.setSelection(false); fWorkspacePathBtn.setSelection(false); ignoreMappingBtn.setSelection(true); } else if (fEditData.type == Type.EXTERNAL) { fExternalPathBtn.setSelection(true); fWorkspacePathBtn.setSelection(false); fExternalPathText.setText(fEditData.localPath.toString()); } else { fWorkspacePathText.setData(fEditData.type); fWorkspacePathText.setText(fEditData.localPath.toString()); } } } protected void setError(String error) { if (error == null) { enableOkButton(); } else { disableOkButton(); } setErrorMessage(error); } private void enableOkButton() { Button btn = getButton(IDialogConstants.OK_ID); if (btn != null) { btn.setEnabled(true); } } private void disableOkButton() { Button btn = getButton(IDialogConstants.OK_ID); if (btn != null) { btn.setEnabled(false); } } protected void validate() { Mapping mapping = new Mapping(); mapping.source = MappingSource.USER; String remotePathStr = fRemotePathText.getText().trim(); if (remotePathStr.length() == 0) { setError(Messages.PathMapperEntryDialog_9); return; } try { mapping.remotePath = new VirtualPath(remotePathStr); } catch (IllegalArgumentException e) { setError(Messages.PathMapperEntryDialog_10); return; } // Workspace file: if (fWorkspacePathBtn.getSelection()) { String workspacePath = fWorkspacePathText.getText().trim(); if (workspacePath.length() == 0) { setError(Messages.PathMapperEntryDialog_11); return; } boolean pathExistsInWorkspace = false; mapping.type = (Type) fWorkspacePathText.getData(); if (mapping.type == Type.INCLUDE_FOLDER || mapping.type == Type.INCLUDE_VAR) { pathExistsInWorkspace = new File(workspacePath).exists(); } else { pathExistsInWorkspace = (ResourcesPlugin.getWorkspace().getRoot() .findMember(workspacePath) != null); } if (!pathExistsInWorkspace) { setError(NLS.bind(Messages.PathMapperEntryDialog_12, workspacePath)); return; } try { mapping.localPath = new VirtualPath(workspacePath); } catch (IllegalArgumentException e) { setError(Messages.PathMapperEntryDialog_13); return; } } else if (ignoreMappingBtn.getSelection()) { mapping.type = Type.SERVER; mapping.localPath = mapping.remotePath.clone(); } else { // External file: String externalPath = fExternalPathText.getText().trim(); if (externalPath.length() == 0) { setError(Messages.PathMapperEntryDialog_14); return; } if (!new File(externalPath).exists()) { setError(NLS.bind(Messages.PathMapperEntryDialog_15, externalPath)); return; } try { mapping.type = Type.EXTERNAL; mapping.localPath = new VirtualPath(externalPath); } catch (IllegalArgumentException e) { setError(Messages.PathMapperEntryDialog_16); return; } } fEditData = mapping; setError(null); } @Override protected IDialogSettings getDialogBoundsSettings() { if (fDialogSettings == null) { fDialogSettings = DialogSettings.getOrCreateSection(PHPDebugUIPlugin.getDefault().getDialogSettings(), this.getClass().getSimpleName()); } return fDialogSettings; } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.addControlListener(new ControlAdapter() { private int initialHeight = -1; @Override public void controlResized(ControlEvent e) { // http://stackoverflow.com/questions/4384691/preventing-a-swt-window-from-being-resized-horizontally Shell shell = getShell(); Rectangle rect = shell.getBounds(); if (initialHeight == -1) { initialHeight = rect.height; return; } if (rect.height != initialHeight) { shell.setBounds(rect.x, rect.y, rect.width, initialHeight); } } }); } @Override protected void setShellStyle(int newShellStyle) { super.setShellStyle(newShellStyle | SWT.RESIZE); } class WorkspaceBrowseDialog extends StatusDialog { private TreeViewer fViewer; private Object selectedElement; public WorkspaceBrowseDialog(Shell parent) { super(parent); setTitle(Messages.PathMapperEntryDialog_17); } public Object getSelectedElement() { return selectedElement; } protected Control createDialogArea(Composite parent) { parent = (Composite) super.createDialogArea(parent); parent.setLayoutData(new GridData(GridData.FILL_BOTH)); PixelConverter pixelConverter = new PixelConverter(parent); fViewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); GridData layoutData = new GridData(GridData.FILL_BOTH); layoutData.widthHint = pixelConverter.convertWidthInCharsToPixels(70); layoutData.heightHint = pixelConverter.convertHeightInCharsToPixels(20); fViewer.getControl().setLayoutData(layoutData); fViewer.setContentProvider(new ContentProvider()); fViewer.setLabelProvider(new LabelProvider()); fViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { validate(); } }); fViewer.setInput(ResourcesPlugin.getWorkspace().getRoot()); return parent; } protected void validate() { IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection(); Object element = selection.getFirstElement(); // TODO: buildpath entry selection if (element == null/* || element instanceof IncludeNode */) { updateStatus(new StatusInfo(IStatus.ERROR, "")); //$NON-NLS-1$ return; } selectedElement = element; updateStatus(Status.OK_STATUS); } class IPFile { IBuildpathEntry includePathEntry; File file; IPFile(IBuildpathEntry includePathEntry, File file) { this.includePathEntry = includePathEntry; this.file = file; } public int hashCode() { return file.hashCode() + 13 * includePathEntry.hashCode(); } public boolean equals(Object obj) { if (!(obj instanceof IPFile)) { return false; } IPFile other = (IPFile) obj; return other.file.equals(file) && other.includePathEntry.equals(includePathEntry); } } class ContentProvider implements ITreeContentProvider { public Object[] getChildren(Object parentElement) { try { if (parentElement instanceof IContainer) { List<Object> r = new LinkedList<Object>(); // Add all members: IContainer container = (IContainer) parentElement; IResource[] members = container.members(); for (IResource member : members) { if (member instanceof IContainer && member.isAccessible()) { if (member instanceof IProject) { // show only // PHP // projects IProject project = (IProject) member; if (project.hasNature(PHPNature.ID)) { r.add(member); } } else { r.add(member); } } } // Add include paths: if (parentElement instanceof IProject) { IProject project = (IProject) parentElement; IncludePath[] includePath = IncludePathManager.getInstance().getIncludePaths(project); for (IncludePath path : includePath) { if (path.isBuildpath()) { IBuildpathEntry buildpathEntry = (IBuildpathEntry) path.getEntry(); if (buildpathEntry.getEntryKind() == IBuildpathEntry.BPE_LIBRARY || buildpathEntry.getEntryKind() == IBuildpathEntry.BPE_VARIABLE) { r.add(buildpathEntry); } } } } return r.toArray(); } else if (parentElement instanceof IBuildpathEntry) { IBuildpathEntry includePathEntry = (IBuildpathEntry) parentElement; IPath path = EnvironmentPathUtils.getLocalPath(includePathEntry.getPath()); File file = null; if (includePathEntry.getEntryKind() == IBuildpathEntry.BPE_LIBRARY) { file = path.toFile(); } else if (includePathEntry.getEntryKind() == IBuildpathEntry.BPE_VARIABLE) { path = DLTKCore.getResolvedVariablePath(path); if (path != null) { file = path.toFile(); } } if (file != null) { return getChildren(new IPFile(includePathEntry, file)); } } else if (parentElement instanceof IPFile) { IPFile ipFile = (IPFile) parentElement; File file = ipFile.file; if (file.isDirectory()) { File dirs[] = file.listFiles(new FileFilter() { public boolean accept(File pathname) { return pathname.isDirectory(); } }); List<Object> r = new ArrayList<Object>(dirs.length); for (File dir : dirs) { r.add(new IPFile(ipFile.includePathEntry, dir)); } return r.toArray(); } } } catch (CoreException e) { } return new Object[0]; } public Object getParent(Object element) { if (element instanceof IResource) { return ((IResource) element).getParent(); } if (element instanceof IPFile) { IPFile ipFile = (IPFile) element; return new IPFile(ipFile.includePathEntry, ipFile.file.getParentFile()); } return null; } public boolean hasChildren(Object element) { return getChildren(element).length > 0; } public Object[] getElements(Object inputElement) { return getChildren(inputElement); } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } } class LabelProvider extends ScriptUILabelProvider { public Image getImage(Object element) { if (element instanceof IBuildpathEntry) { IBuildpathEntry includePathEntry = (IBuildpathEntry) element; if (includePathEntry.getEntryKind() == IBuildpathEntry.BPE_VARIABLE) { return PHPPluginImages.get(PHPPluginImages.IMG_OBJS_ENV_VAR); } else { return PHPPluginImages.get(PHPPluginImages.IMG_OBJS_LIBRARY); } } if (element instanceof IPFile) { return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER); } return super.getImage(element); } public String getText(Object element) { if (element instanceof IBuildpathEntry) { IBuildpathEntry includePathEntry = (IBuildpathEntry) element; return EnvironmentPathUtils.getLocalPath(includePathEntry.getPath()).toOSString(); } if (element instanceof IPFile) { return ((IPFile) element).file.getName(); } return super.getText(element); } } } }