| package org.eclipse.team.internal.ccvs.ui; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2002. |
| * All Rights Reserved. |
| */ |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.MouseAdapter; |
| import org.eclipse.swt.events.MouseEvent; |
| 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.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.team.internal.ccvs.core.CVSTag; |
| import org.eclipse.team.internal.ccvs.core.ICVSFolder; |
| import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot; |
| import org.eclipse.team.internal.ccvs.ui.merge.ProjectElement; |
| import org.eclipse.team.internal.ccvs.ui.merge.TagElement; |
| import org.eclipse.ui.model.WorkbenchContentProvider; |
| import org.eclipse.ui.model.WorkbenchLabelProvider; |
| |
| /** |
| * Dialog to prompt the user to choose a tag for a selected resource |
| */ |
| public class TagSelectionDialog extends Dialog { |
| private ICVSFolder[] folders; |
| private boolean showHEAD; |
| private CVSTag result; |
| |
| // widgets; |
| private TreeViewer tagTree; |
| private Button okButton; |
| |
| // dialog title, should indicate the action in which the tag selection |
| // dialog is being shown |
| private String title; |
| private String message; |
| |
| // constants |
| private static final int SIZING_DIALOG_WIDTH = 400; |
| private static final int SIZING_DIALOG_HEIGHT = 250; |
| |
| /** |
| * Creates a new TagSelectionDialog. |
| * @param resource The resource to select a version for. |
| */ |
| public TagSelectionDialog(Shell parentShell, IProject[] projects, String title) { |
| this(parentShell, getCVSFoldersFor(projects), title, Policy.bind("TagSelectionDialog.Select_a_Tag_1"), true); //$NON-NLS-1$ |
| } |
| |
| private static ICVSFolder[] getCVSFoldersFor(IProject[] projects) { |
| ICVSFolder[] folders = new ICVSFolder[projects.length]; |
| for (int i = 0; i < projects.length; i++) { |
| folders[i] = CVSWorkspaceRoot.getCVSFolderFor(projects[i]); |
| } |
| return folders; |
| } |
| |
| /** |
| * Creates a new TagSelectionDialog. |
| * @param resource The resource to select a version for. |
| */ |
| public TagSelectionDialog(Shell parentShell, ICVSFolder[] folders, String title, String message, boolean showHEAD) { |
| super(parentShell); |
| this.folders = folders; |
| this.title = title; |
| this.message = message; |
| this.showHEAD = showHEAD; |
| setShellStyle(getShellStyle() | SWT.RESIZE); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on Window. |
| */ |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| newShell.setText(title); |
| } |
| |
| /** |
| * Creates this window's widgetry. |
| * <p> |
| * The default implementation of this framework method |
| * creates this window's shell (by calling <code>createShell</code>), |
| * its control (by calling <code>createContents</code>), |
| * and initializes this window's shell bounds |
| * (by calling <code>initializeBounds</code>). |
| * This framework method may be overridden; however, |
| * <code>super.create</code> must be called. |
| * </p> |
| */ |
| public void create() { |
| super.create(); |
| initialize(); |
| } |
| |
| /** |
| * Add buttons to the dialog's button bar. |
| * |
| * @param parent the button bar composite |
| */ |
| protected void createButtonsForButtonBar(Composite parent) { |
| // create OK and Cancel buttons by default |
| okButton = createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); |
| okButton.setEnabled(false); |
| createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); |
| } |
| |
| /** |
| * Creates and returns the contents of the upper part |
| * of this dialog (above the button bar). |
| * <p> |
| * The default implementation of this framework method |
| * creates and returns a new <code>Composite</code> with |
| * standard margins and spacing. |
| * Subclasses should override. |
| * </p> |
| * |
| * @param the parent composite to contain the dialog area |
| * @return the dialog area control |
| */ |
| protected Control createDialogArea(Composite parent) { |
| Composite top = (Composite)super.createDialogArea(parent); |
| |
| Composite inner = new Composite(top, SWT.NULL); |
| GridData data = new GridData(GridData.FILL_BOTH); |
| data.widthHint = SIZING_DIALOG_WIDTH; |
| data.heightHint = SIZING_DIALOG_HEIGHT; |
| inner.setLayoutData(data); |
| GridLayout layout = new GridLayout(); |
| inner.setLayout(layout); |
| |
| Label l = new Label (inner, SWT.NONE); |
| l.setText(message); //$NON-NLS-1$ |
| |
| tagTree = createTree(inner); |
| tagTree.setInput(new ProjectElement(folders[0], showHEAD /*show HEAD tag*/)); |
| Runnable refresh = new Runnable() { |
| public void run() { |
| getShell().getDisplay().syncExec(new Runnable() { |
| public void run() { |
| tagTree.refresh(); |
| } |
| }); |
| } |
| }; |
| TagConfigurationDialog.createTagDefinitionButtons(getShell(), top, folders, |
| convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT), |
| convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH), |
| refresh, refresh); |
| |
| Label seperator = new Label(top, SWT.SEPARATOR | SWT.HORIZONTAL); |
| data = new GridData (GridData.FILL_BOTH); |
| data.horizontalSpan = 2; |
| seperator.setLayoutData(data); |
| |
| updateEnablement(); |
| |
| return top; |
| } |
| |
| |
| /** |
| * Utility method that creates a label instance |
| * and sets the default layout data. |
| * |
| * @param parent the parent for the new label |
| * @param text the text for the new label |
| * @return the new label |
| */ |
| protected Label createLabel(Composite parent, String text) { |
| Label label = new Label(parent, SWT.LEFT); |
| label.setText(text); |
| GridData data = new GridData(); |
| data.horizontalSpan = 1; |
| data.horizontalAlignment = GridData.FILL; |
| label.setLayoutData(data); |
| return label; |
| } |
| |
| protected TreeViewer createTree(Composite parent) { |
| Tree tree = new Tree(parent, SWT.SINGLE | SWT.BORDER); |
| tree.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| TreeViewer result = new TreeViewer(tree); |
| result.setContentProvider(new WorkbenchContentProvider()); |
| result.setLabelProvider(new WorkbenchLabelProvider()); |
| result.addSelectionChangedListener(new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| updateEnablement(); |
| } |
| }); |
| // select and close on double click |
| // To do: use defaultselection instead of double click |
| result.getTree().addMouseListener(new MouseAdapter() { |
| public void mouseDoubleClick(MouseEvent e) { |
| IStructuredSelection selection = (IStructuredSelection)tagTree.getSelection(); |
| if (!selection.isEmpty() && (selection.getFirstElement() instanceof TagElement)) { |
| okPressed(); |
| } |
| } |
| }); |
| result.setSorter(new RepositorySorter()); |
| return result; |
| } |
| |
| /** |
| * Returns the selected tag. |
| */ |
| public CVSTag getResult() { |
| return result; |
| } |
| |
| /** |
| * Initializes the dialog contents. |
| */ |
| protected void initialize() { |
| okButton.setEnabled(false); |
| } |
| |
| /** |
| * Notifies that the ok button of this dialog has been pressed. |
| * <p> |
| * The default implementation of this framework method sets |
| * this dialog's return code to <code>Window.OK</code> |
| * and closes the dialog. Subclasses may override. |
| * </p> |
| */ |
| protected void okPressed() { |
| IStructuredSelection selection = (IStructuredSelection)tagTree.getSelection(); |
| Object o = selection.getFirstElement(); |
| TagElement element = (TagElement)o; |
| result = element.getTag(); |
| super.okPressed(); |
| } |
| |
| |
| /** |
| * Updates the dialog enablement. |
| */ |
| protected void updateEnablement() { |
| if(okButton!=null) { |
| IStructuredSelection selection = (IStructuredSelection)tagTree.getSelection(); |
| if (selection.isEmpty() || !(selection.getFirstElement() instanceof TagElement)) { |
| okButton.setEnabled(false); |
| } else { |
| okButton.setEnabled(true); |
| } |
| } |
| } |
| } |