diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/openon/OpenFileHyperlinkTracker.java')
| -rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/openon/OpenFileHyperlinkTracker.java | 660 |
1 files changed, 0 insertions, 660 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/openon/OpenFileHyperlinkTracker.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/openon/OpenFileHyperlinkTracker.java deleted file mode 100644 index 372a62008c..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/openon/OpenFileHyperlinkTracker.java +++ /dev/null @@ -1,660 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2006 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.ui.internal.openon; - -import com.ibm.icu.util.StringTokenizer; - -import org.eclipse.jface.preference.IPreferenceStore; -import org.eclipse.jface.preference.PreferenceConverter; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.DocumentEvent; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IDocumentListener; -import org.eclipse.jface.text.IRegion; -import org.eclipse.jface.text.ITextInputListener; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.ITextViewerExtension5; -import org.eclipse.jface.text.Position; -import org.eclipse.jface.text.Region; -import org.eclipse.jface.util.IPropertyChangeListener; -import org.eclipse.jface.util.PropertyChangeEvent; -import org.eclipse.swt.SWT; -import org.eclipse.swt.custom.StyledText; -import org.eclipse.swt.events.FocusEvent; -import org.eclipse.swt.events.FocusListener; -import org.eclipse.swt.events.KeyEvent; -import org.eclipse.swt.events.KeyListener; -import org.eclipse.swt.events.MouseEvent; -import org.eclipse.swt.events.MouseListener; -import org.eclipse.swt.events.MouseMoveListener; -import org.eclipse.swt.events.PaintEvent; -import org.eclipse.swt.events.PaintListener; -import org.eclipse.swt.graphics.Color; -import org.eclipse.swt.graphics.Cursor; -import org.eclipse.swt.graphics.GC; -import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.graphics.RGB; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.wst.sse.ui.internal.Logger; -import org.eclipse.wst.sse.ui.internal.util.EditorUtility; - - -/** - * @deprecated Use org.eclipse.jface.text.hyperlink.HyperlinkManager - */ -public class OpenFileHyperlinkTracker implements KeyListener, MouseListener, MouseMoveListener, FocusListener, PaintListener, IPropertyChangeListener, IDocumentListener, ITextInputListener { - - /** The session is active. */ - private boolean fActive; - - /** The currently active style range. */ - private IRegion fActiveRegion; - /** Preference key for browser-like links to be enabled */ - private String fBrowserLikeLinksKeyModifierKey; - - /** The link color. */ - private Color fColor; - /** The hand cursor. */ - private Cursor fCursor; - /** The key modifier mask. */ - private int fKeyModifierMask; - /** Preference key for hyperlink underline color */ - private String fLinkColorKey; - /** The preference store */ - private IPreferenceStore fPreferenceStore; - /** The currently active style range as position. */ - private Position fRememberedPosition; - - /** The text viewer this hyperlink tracker is associated with */ - private ITextViewer fTextViewer; - - /** - * - */ - public OpenFileHyperlinkTracker(ITextViewer textViewer) { - fTextViewer = textViewer; - } - - private void activateCursor(ITextViewer viewer) { - StyledText text = viewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - Display display = text.getDisplay(); - if (fCursor == null) - fCursor = new Cursor(display, SWT.CURSOR_HAND); - text.setCursor(fCursor); - } - - private int computeStateMask(String modifiers) { - if (modifiers == null) - return -1; - - if (modifiers.length() == 0) - return SWT.NONE; - - int stateMask = 0; - StringTokenizer modifierTokenizer = new StringTokenizer(modifiers, ",;.:+-* "); //$NON-NLS-1$ - while (modifierTokenizer.hasMoreTokens()) { - int modifier = EditorUtility.findLocalizedModifier(modifierTokenizer.nextToken()); - if (modifier == 0 || (stateMask & modifier) == modifier) - return -1; - stateMask = stateMask | modifier; - } - return stateMask; - } - - /** - * Creates a color from the information stored in the given preference - * store. Returns <code>null</code> if there is no such information - * available. - */ - private Color createColor(IPreferenceStore store, String key, Display display) { - - RGB rgb = null; - - if (store.contains(key)) { - - if (store.isDefault(key)) - rgb = PreferenceConverter.getDefaultColor(store, key); - else - rgb = PreferenceConverter.getColor(store, key); - } - - return EditorUtility.getColor(rgb); - } - - public void deactivate() { - deactivate(false); - } - - public void deactivate(boolean redrawAll) { - if (!fActive) - return; - - repairRepresentation(redrawAll); - fActive = false; - } - - /* - * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent) - */ - public void documentAboutToBeChanged(DocumentEvent event) { - if (fActive && fActiveRegion != null) { - fRememberedPosition = new Position(fActiveRegion.getOffset(), fActiveRegion.getLength()); - try { - event.getDocument().addPosition(fRememberedPosition); - } catch (BadLocationException x) { - fRememberedPosition = null; - } - } - } - - /* - * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent) - */ - public void documentChanged(DocumentEvent event) { - if (fRememberedPosition != null) { - if (!fRememberedPosition.isDeleted()) { - - event.getDocument().removePosition(fRememberedPosition); - fActiveRegion = new Region(fRememberedPosition.getOffset(), fRememberedPosition.getLength()); - fRememberedPosition = null; - - ITextViewer viewer = getTextViewer(); - if (viewer != null) { - StyledText widget = viewer.getTextWidget(); - if (widget != null && !widget.isDisposed()) { - widget.getDisplay().asyncExec(new Runnable() { - public void run() { - deactivate(); - } - }); - } - } - - } else { - fActiveRegion = null; - fRememberedPosition = null; - deactivate(); - } - } - } - - /* - * @see org.eclipse.swt.events.FocusListener#focusGained(org.eclipse.swt.events.FocusEvent) - */ - public void focusGained(FocusEvent e) { - } - - /* - * @see org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt.events.FocusEvent) - */ - public void focusLost(FocusEvent event) { - deactivate(); - } - - private int getCurrentTextOffset() { - try { - StyledText text = getTextViewer().getTextWidget(); - if (text == null || text.isDisposed()) - return -1; - - Display display = text.getDisplay(); - Point absolutePosition = display.getCursorLocation(); - Point relativePosition = text.toControl(absolutePosition); - - int widgetOffset = text.getOffsetAtLocation(relativePosition); - if (getTextViewer() instanceof ITextViewerExtension5) { - ITextViewerExtension5 extension = (ITextViewerExtension5) getTextViewer(); - return extension.widgetOffset2ModelOffset(widgetOffset); - } else { - return widgetOffset + getTextViewer().getVisibleRegion().getOffset(); - } - - } catch (IllegalArgumentException e) { - return -1; - } - } - - private Point getMaximumLocation(StyledText text, int offset, int length) { - Point maxLocation = new Point(Integer.MIN_VALUE, Integer.MIN_VALUE); - - for (int i = 0; i <= length; i++) { - Point location = text.getLocationAtOffset(offset + i); - - if (location.x > maxLocation.x) - maxLocation.x = location.x; - if (location.y > maxLocation.y) - maxLocation.y = location.y; - } - - return maxLocation; - } - - private Point getMinimumLocation(StyledText text, int offset, int length) { - Point minLocation = new Point(Integer.MAX_VALUE, Integer.MAX_VALUE); - - for (int i = 0; i <= length; i++) { - Point location = text.getLocationAtOffset(offset + i); - - if (location.x < minLocation.x) - minLocation.x = location.x; - if (location.y < minLocation.y) - minLocation.y = location.y; - } - - return minLocation; - } - - private IPreferenceStore getNewPreferenceStore() { - return fPreferenceStore; - } - - private ITextViewer getTextViewer() { - return fTextViewer; - } - - private void highlightRegion(ITextViewer viewer, IRegion region) { - - if (region.equals(fActiveRegion)) - return; - - repairRepresentation(); - - StyledText text = viewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - - - // Underline - int offset = 0; - int length = 0; - if (viewer instanceof ITextViewerExtension5) { - ITextViewerExtension5 extension = (ITextViewerExtension5) viewer; - IRegion widgetRange = extension.modelRange2WidgetRange(new Region(region.getOffset(), region.getLength())); - if (widgetRange == null) - return; - - offset = widgetRange.getOffset(); - length = widgetRange.getLength(); - - } else { - offset = region.getOffset() - viewer.getVisibleRegion().getOffset(); - length = region.getLength(); - } - // need clearBackground to be true for paint event to be fired - text.redrawRange(offset, length, true); - - fActiveRegion = region; - } - - private boolean includes(IRegion region, IRegion position) { - return position.getOffset() >= region.getOffset() && position.getOffset() + position.getLength() <= region.getOffset() + region.getLength(); - } - - /* - * @see org.eclipse.jface.text.ITextInputListener#inputDocumentAboutToBeChanged(org.eclipse.jface.text.IDocument, - * org.eclipse.jface.text.IDocument) - */ - public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) { - if (oldInput == null) - return; - deactivate(); - oldInput.removeDocumentListener(this); - } - - /* - * @see org.eclipse.jface.text.ITextInputListener#inputDocumentChanged(org.eclipse.jface.text.IDocument, - * org.eclipse.jface.text.IDocument) - */ - public void inputDocumentChanged(IDocument oldInput, IDocument newInput) { - if (newInput == null) - return; - newInput.addDocumentListener(this); - } - - public void install(IPreferenceStore store) { - fPreferenceStore = store; - ITextViewer textViewer = getTextViewer(); - if (textViewer == null) - return; - - StyledText text = textViewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - - updateColor(textViewer); - - textViewer.addTextInputListener(this); - - IDocument document = textViewer.getDocument(); - if (document != null) - document.addDocumentListener(this); - - text.addKeyListener(this); - text.addMouseListener(this); - text.addMouseMoveListener(this); - text.addFocusListener(this); - text.addPaintListener(this); - - updateKeyModifierMask(); - - fPreferenceStore.addPropertyChangeListener(this); - } - - /* - * @see org.eclipse.swt.events.KeyListener#keyPressed(org.eclipse.swt.events.KeyEvent) - */ - public void keyPressed(KeyEvent event) { - - if (fActive) { - deactivate(); - return; - } - - if (event.keyCode != fKeyModifierMask) { - deactivate(); - return; - } - - fActive = true; - - // removed for #25871 - // - // ISourceViewer viewer= getSourceViewer(); - // if (viewer == null) - // return; - // - // IRegion region= getCurrentTextRegion(viewer); - // if (region == null) - // return; - // - // highlightRegion(viewer, region); - // activateCursor(viewer); - } - - /* - * @see org.eclipse.swt.events.KeyListener#keyReleased(org.eclipse.swt.events.KeyEvent) - */ - public void keyReleased(KeyEvent event) { - - if (!fActive) - return; - - deactivate(); - } - - /* - * @see org.eclipse.swt.events.MouseListener#mouseDoubleClick(org.eclipse.swt.events.MouseEvent) - */ - public void mouseDoubleClick(MouseEvent e) { - } - - /* - * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent) - */ - public void mouseDown(MouseEvent event) { - - if (!fActive) - return; - - if (event.stateMask != fKeyModifierMask) { - deactivate(); - return; - } - - if (event.button != 1) { - deactivate(); - return; - } - } - - /* - * @see org.eclipse.swt.events.MouseMoveListener#mouseMove(org.eclipse.swt.events.MouseEvent) - */ - public void mouseMove(MouseEvent event) { - - if (event.widget instanceof Control && !((Control) event.widget).isFocusControl()) { - deactivate(); - return; - } - - if (!fActive) { - if (event.stateMask != fKeyModifierMask) - return; - // modifier was already pressed - fActive = true; - } - - ITextViewer viewer = getTextViewer(); - if (viewer == null) { - deactivate(); - return; - } - - StyledText text = viewer.getTextWidget(); - if (text == null || text.isDisposed()) { - deactivate(); - return; - } - - if ((event.stateMask & SWT.BUTTON1) != 0 && text.getSelectionCount() != 0) { - deactivate(); - return; - } - - IRegion region = null; - int offset = getCurrentTextOffset(); - IOpenOn openOn = OpenOnProvider.getInstance().getOpenOn(getTextViewer().getDocument(), offset); - if (openOn != null) { - region = openOn.getOpenOnRegion(getTextViewer().getDocument(), offset); - } - if (region == null || region.getLength() == 0) { - repairRepresentation(); - return; - } - - highlightRegion(viewer, region); - activateCursor(viewer); - } - - /* - * @see org.eclipse.swt.events.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent) - */ - public void mouseUp(MouseEvent e) { - - if (!fActive) - return; - - if (e.button != 1) { - deactivate(); - return; - } - - boolean wasActive = fCursor != null; - IRegion previousRegion = fActiveRegion; - - deactivate(); - - if (wasActive) { - IOpenOn openOn = OpenOnProvider.getInstance().getOpenOn(getTextViewer().getDocument(), previousRegion.getOffset()); - if (openOn != null) { - openOn.openOn(getTextViewer().getDocument(), previousRegion); - } - } - } - - /* - * @see PaintListener#paintControl(PaintEvent) - */ - public void paintControl(PaintEvent event) { - if (fActiveRegion == null) - return; - - ITextViewer viewer = getTextViewer(); - if (viewer == null) - return; - - StyledText text = viewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - - - int offset = 0; - int length = 0; - - if (viewer instanceof ITextViewerExtension5) { - - ITextViewerExtension5 extension = (ITextViewerExtension5) viewer; - IRegion widgetRange = extension.modelRange2WidgetRange(fActiveRegion); - if (widgetRange == null) - return; - - offset = widgetRange.getOffset(); - length = widgetRange.getLength(); - - } else { - - IRegion region = viewer.getVisibleRegion(); - if (!includes(region, fActiveRegion)) - return; - - offset = fActiveRegion.getOffset() - region.getOffset(); - length = fActiveRegion.getLength(); - } - - // support for bidi - Point minLocation = getMinimumLocation(text, offset, length); - Point maxLocation = getMaximumLocation(text, offset, length); - - int x1 = minLocation.x; - int x2 = minLocation.x + maxLocation.x - minLocation.x - 1; - int y = minLocation.y + text.getLineHeight() - 1; - - GC gc = event.gc; - if (fColor != null && !fColor.isDisposed()) - gc.setForeground(fColor); - gc.drawLine(x1, y, x2, y); - } - - /* - * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent) - */ - public void propertyChange(PropertyChangeEvent event) { - if (event.getProperty().equals(fLinkColorKey)) { - ITextViewer viewer = getTextViewer(); - if (viewer != null) - updateColor(viewer); - } else if (event.getProperty().equals(fBrowserLikeLinksKeyModifierKey)) { - updateKeyModifierMask(); - } - } - - private void repairRepresentation() { - repairRepresentation(false); - } - - private void repairRepresentation(boolean redrawAll) { - - if (fActiveRegion == null) - return; - - int offset = fActiveRegion.getOffset(); - int length = fActiveRegion.getLength(); - fActiveRegion = null; - - ITextViewer viewer = getTextViewer(); - if (viewer != null) { - - resetCursor(viewer); - - // Remove underline - if (viewer instanceof ITextViewerExtension5) { - ITextViewerExtension5 extension = (ITextViewerExtension5) viewer; - offset = extension.modelOffset2WidgetOffset(offset); - } else { - offset -= viewer.getVisibleRegion().getOffset(); - } - try { - StyledText text = viewer.getTextWidget(); - - // need clearBackground to be true for paint event to be fired - text.redrawRange(offset, length, true); - } catch (IllegalArgumentException x) { - Logger.logException(x); - } - } - } - - private void resetCursor(ITextViewer viewer) { - StyledText text = viewer.getTextWidget(); - if (text != null && !text.isDisposed()) - text.setCursor(null); - - if (fCursor != null) { - fCursor.dispose(); - fCursor = null; - } - } - - public void setHyperlinkPreferenceKeys(String linkColorKey, String browserLikeLinksKeyModifierKey) { - fLinkColorKey = linkColorKey; - fBrowserLikeLinksKeyModifierKey = browserLikeLinksKeyModifierKey; - } - - public void uninstall() { - if (fCursor != null) { - fCursor.dispose(); - fCursor = null; - } - - ITextViewer textViewer = getTextViewer(); - if (textViewer == null) - return; - - textViewer.removeTextInputListener(this); - - IDocument document = textViewer.getDocument(); - if (document != null) - document.removeDocumentListener(this); - - IPreferenceStore preferenceStore = getNewPreferenceStore(); - if (preferenceStore != null) - preferenceStore.removePropertyChangeListener(this); - - StyledText text = textViewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - - text.removeKeyListener(this); - text.removeMouseListener(this); - text.removeMouseMoveListener(this); - text.removeFocusListener(this); - text.removePaintListener(this); - } - - private void updateColor(ITextViewer viewer) { - StyledText text = viewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - - Display display = text.getDisplay(); - fColor = createColor(getNewPreferenceStore(), fLinkColorKey, display); - } - - private void updateKeyModifierMask() { - String modifiers = getNewPreferenceStore().getString(fBrowserLikeLinksKeyModifierKey); - fKeyModifierMask = computeStateMask(modifiers); - } -} |