- * The following characters have special meaning: ? => any character * => - * any string - *
- * - * @since 2.0 - */ - private static class NamePatternFilter extends ViewerFilter { - private String fPattern; - - private StringMatcher fMatcher; - - private ILabelProvider fLabelProvider; - - private Viewer fViewer; - - private StringMatcher getMatcher() { - return fMatcher; - } - - /* - * (non-Javadoc) Method declared on ViewerFilter. - */ - public boolean select(Viewer viewer, Object parentElement, - Object element) { - if (fMatcher == null) - return true; - - ILabelProvider labelProvider = getLabelProvider(viewer); - - String matchName = null; - if (labelProvider != null) - matchName = ((ILabelProvider) labelProvider).getText(element); - else if (element instanceof IJavaElement) - matchName = ((IJavaElement) element).getElementName(); - - if (matchName != null && fMatcher.match(matchName)) - return true; - - return hasUnfilteredChild(viewer, element); - } - - private ILabelProvider getLabelProvider(Viewer viewer) { - if (fViewer == viewer) - return fLabelProvider; - - fLabelProvider = null; - IBaseLabelProvider baseLabelProvider = null; - if (viewer instanceof StructuredViewer) - baseLabelProvider = ((StructuredViewer) viewer) - .getLabelProvider(); - - if (baseLabelProvider instanceof ILabelProvider) - fLabelProvider = (ILabelProvider) baseLabelProvider; - - return fLabelProvider; - } - - private boolean hasUnfilteredChild(Viewer viewer, Object element) { - IJavaElement[] children; - if (element instanceof IParent) { - try { - children = ((IParent) element).getChildren(); - } catch (JavaModelException ex) { - return false; - } - for (int i = 0; i < children.length; i++) - if (select(viewer, element, children[i])) - return true; - } - return false; - } - - /** - * Sets the patterns to filter out for the receiver. - *- * The following characters have special meaning: ? => any character * => - * any string - *
- */ - public void setPattern(String pattern) { - fPattern = pattern; - if (fPattern == null) { - fMatcher = null; - return; - } - boolean ignoreCase = pattern.toLowerCase().equals(pattern); - fMatcher = new StringMatcher(pattern, ignoreCase, false); - } - } - - private static class BorderFillLayout extends Layout { - - /** The border widths. */ - final int fBorderSize; - - /** - * Creates a fill layout with a border. - */ - public BorderFillLayout(int borderSize) { - if (borderSize < 0) - throw new IllegalArgumentException(); - fBorderSize = borderSize; - } - - /** - * Returns the border size. - */ - public int getBorderSize() { - return fBorderSize; - } - - /* - * @see org.eclipse.swt.widgets.Layout#computeSize(org.eclipse.swt.widgets.Composite, - * int, int, boolean) - */ - protected Point computeSize(Composite composite, int wHint, int hHint, - boolean flushCache) { - - Control[] children = composite.getChildren(); - Point minSize = new Point(0, 0); - - if (children != null) { - for (int i = 0; i < children.length; i++) { - Point size = children[i].computeSize(wHint, hHint, - flushCache); - minSize.x = Math.max(minSize.x, size.x); - minSize.y = Math.max(minSize.y, size.y); - } - } - - minSize.x += fBorderSize * 2 + RIGHT_MARGIN; - minSize.y += fBorderSize * 2; - - return minSize; - } - - /* - * @see org.eclipse.swt.widgets.Layout#layout(org.eclipse.swt.widgets.Composite, - * boolean) - */ - protected void layout(Composite composite, boolean flushCache) { - - Control[] children = composite.getChildren(); - Point minSize = new Point(composite.getClientArea().width, - composite.getClientArea().height); - - if (children != null) { - for (int i = 0; i < children.length; i++) { - Control child = children[i]; - child.setSize(minSize.x - fBorderSize * 2, minSize.y - - fBorderSize * 2); - child.setLocation(fBorderSize, fBorderSize); - } - } - } - } - - /** Border thickness in pixels. */ - private static final int BORDER = 1; - - /** Right margin in pixels. */ - private static final int RIGHT_MARGIN = 3; - - /** The control's shell */ - private Shell fShell; - - /** The composite */ - Composite fComposite; - - /** The control's text widget */ - private Text fFilterText; - - /** The control's tree widget */ - private TreeViewer fTreeViewer; - - /** The control width constraint */ - private int fMaxWidth = -1; - - /** The control height constraint */ - private int fMaxHeight = -1; - - private StringMatcher fStringMatcher; - - /** - * Creates a tree information control with the given shell as parent. The - * given style is applied to the tree widget. - * - * @param parent - * the parent shell - * @param style - * the additional styles for the tree widget - */ - public JavaOutlineInformationControl(Shell parent, int style) { - this(parent, SWT.RESIZE, style); - } - - /** - * Creates a tree information control with the given shell as parent. No - * additional styles are applied. - * - * @param parent - * the parent shell - */ - public JavaOutlineInformationControl(Shell parent) { - this(parent, SWT.NONE); - } - - /** - * Creates a tree information control with the given shell as parent. The - * given styles are applied to the shell and the tree widget. - * - * @param parent - * the parent shell - * @param shellStyle - * the additional styles for the shell - * @param treeStyle - * the additional styles for the tree widget - */ - public JavaOutlineInformationControl(Shell parent, int shellStyle, - int treeStyle) { - fShell = new Shell(parent, shellStyle); - Display display = fShell.getDisplay(); - fShell.setBackground(display.getSystemColor(SWT.COLOR_BLACK)); - - // Composite for filter text and tree - fComposite = new Composite(fShell, SWT.RESIZE); - GridLayout layout = new GridLayout(1, false); - fComposite.setLayout(layout); - fComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); - - createFilterText(fComposite); - createTreeViewer(fComposite, treeStyle); - - int border = ((shellStyle & SWT.NO_TRIM) == 0) ? 0 : BORDER; - fShell.setLayout(new BorderFillLayout(border)); - - setInfoSystemColor(); - installFilter(); - } - - private void createTreeViewer(Composite parent, int style) { - Tree tree = new Tree(parent, SWT.SINGLE | (style & ~SWT.MULTI)); - GridData data = new GridData(GridData.FILL_BOTH); - tree.setLayoutData(data); - - fTreeViewer = new TreeViewer(tree); - - // Hide import declartions but show the container - // fTreeViewer.addFilter(new ViewerFilter() { - // public boolean select(Viewer viewer, Object parentElement, Object - // element) { - // return !(element instanceof IImportDeclaration); - // } - // }); - - fTreeViewer.setContentProvider(new StandardJavaElementContentProvider( - true, true)); - fTreeViewer.setSorter(new JavaElementSorter()); - fTreeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); - - AppearanceAwareLabelProvider lprovider = new AppearanceAwareLabelProvider( - AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS - | JavaElementLabels.F_APP_TYPE_SIGNATURE, - AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS); - fTreeViewer - .setLabelProvider(new DecoratingJavaLabelProvider(lprovider)); - - fTreeViewer.getTree().addKeyListener(new KeyListener() { - public void keyPressed(KeyEvent e) { - if (e.character == 0x1B) // ESC - dispose(); - } - - public void keyReleased(KeyEvent e) { - // do nothing - } - }); - - fTreeViewer.getTree().addSelectionListener(new SelectionListener() { - public void widgetSelected(SelectionEvent e) { - // do nothing - } - - public void widgetDefaultSelected(SelectionEvent e) { - gotoSelectedElement(); - } - }); - } - - private Text createFilterText(Composite parent) { - fFilterText = new Text(parent, SWT.FLAT); - - GridData data = new GridData(); - GC gc = new GC(parent); - gc.setFont(parent.getFont()); - FontMetrics fontMetrics = gc.getFontMetrics(); - gc.dispose(); - - data.heightHint = org.eclipse.jface.dialogs.Dialog - .convertHeightInCharsToPixels(fontMetrics, 1); - data.horizontalAlignment = GridData.FILL; - data.verticalAlignment = GridData.BEGINNING; - fFilterText.setLayoutData(data); - - fFilterText.addKeyListener(new KeyListener() { - public void keyPressed(KeyEvent e) { - if (e.keyCode == 0x0D) // return - gotoSelectedElement(); - if (e.keyCode == SWT.ARROW_DOWN) - fTreeViewer.getTree().setFocus(); - if (e.keyCode == SWT.ARROW_UP) - fTreeViewer.getTree().setFocus(); - if (e.character == 0x1B) // ESC - dispose(); - } - - public void keyReleased(KeyEvent e) { - // do nothing - } - }); - - // Horizonral separator line - Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL - | SWT.LINE_DOT); - separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); - - return fFilterText; - } - - private void setInfoSystemColor() { - Display display = fShell.getDisplay(); - setForegroundColor(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND)); - setBackgroundColor(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND)); - } - - private void installFilter() { - final NamePatternFilter viewerFilter = new NamePatternFilter(); - fTreeViewer.addFilter(viewerFilter); - fFilterText.setText(""); //$NON-NLS-1$ - - fFilterText.addModifyListener(new ModifyListener() { - public void modifyText(ModifyEvent e) { - String pattern = fFilterText.getText(); - if (pattern != null) { - int length = pattern.length(); - if (length == 0) - pattern = null; - else if (pattern.charAt(length - 1) != '*') - pattern = pattern + '*'; - } else - pattern = null; - viewerFilter.setPattern(pattern); - fStringMatcher = viewerFilter.getMatcher(); - fTreeViewer.getControl().setRedraw(false); - fTreeViewer.refresh(); - fTreeViewer.expandAll(); - selectFirstMatch(); - fTreeViewer.getControl().setRedraw(true); - } - }); - } - - private void gotoSelectedElement() { - Object selectedElement = ((IStructuredSelection) fTreeViewer - .getSelection()).getFirstElement(); - if (selectedElement != null) { - try { - dispose(); - OpenActionUtil.open(selectedElement, true); - } catch (CoreException ex) { - PHPeclipsePlugin.log(ex); - } - } - } - - /** - * Selects the first element in the tree which matches the current filter - * pattern. - */ - private void selectFirstMatch() { - Tree tree = fTreeViewer.getTree(); - Object element = findElement(tree.getItems()); - if (element != null) - fTreeViewer.setSelection(new StructuredSelection(element), true); - else - fTreeViewer.setSelection(StructuredSelection.EMPTY); - } - - private IJavaElement findElement(TreeItem[] items) { - ILabelProvider labelProvider = (ILabelProvider) fTreeViewer - .getLabelProvider(); - for (int i = 0; i < items.length; i++) { - IJavaElement element = (IJavaElement) items[i].getData(); - if (fStringMatcher == null) - return element; - - if (element != null) { - String label = labelProvider.getText(element); - if (fStringMatcher.match(label)) - return element; - } - - element = findElement(items[i].getItems()); - if (element != null) - return element; - } - return null; - } - - /* - * @see IInformationControl#setInformation(String) - */ - public void setInformation(String information) { - // this method is ignored, see IInformationControlExtension2 - } - - /* - * @see IInformationControlExtension2#setInput(Object) - */ - public void setInput(Object information) { - fFilterText.setText(""); //$NON-NLS-1$ - if (information == null || information instanceof String) { - setInput(null); - return; - } - IJavaElement je = (IJavaElement) information; - IJavaElement sel = null; - ICompilationUnit cu = (ICompilationUnit) je - .getAncestor(IJavaElement.COMPILATION_UNIT); - if (cu != null) - sel = cu; - else - sel = je.getAncestor(IJavaElement.CLASS_FILE); - fTreeViewer.setInput(sel); - fTreeViewer.setSelection(new StructuredSelection(information)); - } - - /* - * @see IInformationControl#setVisible(boolean) - */ - public void setVisible(boolean visible) { - fShell.setVisible(visible); - } - - /* - * @see IInformationControl#dispose() - */ - public void dispose() { - if (fShell != null) { - if (!fShell.isDisposed()) - fShell.dispose(); - fShell = null; - fTreeViewer = null; - fComposite = null; - fFilterText = null; - } - } - - /* - * @see org.eclipse.jface.text.IInformationControlExtension#hasContents() - */ - public boolean hasContents() { - return fTreeViewer != null && fTreeViewer.getInput() != null; - } - - /* - * @see org.eclipse.jface.text.IInformationControl#setSizeConstraints(int, - * int) - */ - public void setSizeConstraints(int maxWidth, int maxHeight) { - fMaxWidth = maxWidth; - fMaxHeight = maxHeight; - } - - /* - * @see org.eclipse.jface.text.IInformationControl#computeSizeHint() - */ - public Point computeSizeHint() { - return fShell.computeSize(SWT.DEFAULT, SWT.DEFAULT); - } - - /* - * @see IInformationControl#setLocation(Point) - */ - public void setLocation(Point location) { - Rectangle trim = fShell.computeTrim(0, 0, 0, 0); - Point textLocation = fComposite.getLocation(); - location.x += trim.x - textLocation.x; - location.y += trim.y - textLocation.y; - fShell.setLocation(location); - } - - /* - * @see IInformationControl#setSize(int, int) - */ - public void setSize(int width, int height) { - fShell.setSize(width, height); - } - - /* - * @see IInformationControl#addDisposeListener(DisposeListener) - */ - public void addDisposeListener(DisposeListener listener) { - fShell.addDisposeListener(listener); - } - - /* - * @see IInformationControl#removeDisposeListener(DisposeListener) - */ - public void removeDisposeListener(DisposeListener listener) { - fShell.removeDisposeListener(listener); - } - - /* - * @see IInformationControl#setForegroundColor(Color) - */ - public void setForegroundColor(Color foreground) { - fTreeViewer.getTree().setForeground(foreground); - fFilterText.setForeground(foreground); - fComposite.setForeground(foreground); - } - - /* - * @see IInformationControl#setBackgroundColor(Color) - */ - public void setBackgroundColor(Color background) { - fTreeViewer.getTree().setBackground(background); - fFilterText.setBackground(background); - fComposite.setBackground(background); - } - - /* - * @see IInformationControl#isFocusControl() - */ - public boolean isFocusControl() { - return fTreeViewer.getControl().isFocusControl() - || fFilterText.isFocusControl(); - } - - /* - * @see IInformationControl#setFocus() - */ - public void setFocus() { - fShell.forceFocus(); - fFilterText.setFocus(); - } - - /* - * @see IInformationControl#addFocusListener(FocusListener) - */ - public void addFocusListener(FocusListener listener) { - fShell.addFocusListener(listener); - } - - /* - * @see IInformationControl#removeFocusListener(FocusListener) - */ - public void removeFocusListener(FocusListener listener) { - fShell.removeFocusListener(listener); - } -}