* Contributors:
* Christopher Lenz - initial implementation
*
- * $Id: ProblemsLabelDecorator.java,v 1.1 2004-09-02 18:26:28 jsurfer Exp $
+ * $Id: ProblemsLabelDecorator.java,v 1.2 2005-03-06 21:09:52 axelcl Exp $
*/
package net.sourceforge.phpeclipse.ui.views.outline;
import org.eclipse.ui.texteditor.ITextEditor;
/**
- * Label decorator for the outline page that adds error and warning overlay
- * icons to elements in the outline. The information is retrieved from the
- * annotation model corresponding to the input of the associated text editor.
+ * Label decorator for the outline page that adds error and warning overlay icons to elements in the outline. The information is
+ * retrieved from the annotation model corresponding to the input of the associated text editor.
*/
-public class ProblemsLabelDecorator extends LabelProvider
- implements ILabelDecorator {
-
- // Constants ---------------------------------------------------------------
-
- private static final String ANNOTATION_TYPE_ERROR =
- "org.eclipse.ui.workbench.texteditor.error"; //$NON-NLS-1$
-
- private static final String ANNOTATION_TYPE_WARNING =
- "org.eclipse.ui.workbench.texteditor.warning"; //$NON-NLS-1$
-
- // Instance Variables ------------------------------------------------------
-
- /** The associated text editor if the decorator is used in the outline. */
- private ITextEditor editor;
-
- /** Registry of icons and overlay icons. */
- private ImageDescriptorRegistry registry = new ImageDescriptorRegistry();
-
- // Constructors ------------------------------------------------------------
-
- /**
- * Constructor.
- *
- * @param editor the associated text editor
- */
- public ProblemsLabelDecorator(ITextEditor editor) {
- this.editor = editor;
- }
-
- // ILabelDecorator Implementation ------------------------------------------
-
- /*
- * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
- */
- public void dispose() {
- super.dispose();
- registry.dispose();
- }
-
- /*
- * @see ILabelDecorator#decorateImage(Image, Object)
- */
- public Image decorateImage(Image image, Object element) {
- Annotation annotations[] =
- getAssociatedAnnotations((ISourceReference) element);
- ImageDescriptor overlay = null;
- for (int i = 0; i < annotations.length; i++) {
- if (isError(annotations[i])) {
- overlay = WebUI.getDefault().getImageRegistry().getDescriptor(
- WebUI.ICON_OVERLAY_ERROR);
- } else if (isWarning(annotations[i])) {
- overlay = WebUI.getDefault().getImageRegistry().getDescriptor(
- WebUI.ICON_OVERLAY_WARNING);
- }
- }
- if (overlay != null) {
- ImageDescriptor base = new ImageImageDescriptor(image);
- return registry.get(new OverlayImageDescriptor(base,
- new ImageDescriptor[][] { null, null, { overlay }, null },
- null));
- } else {
- }
- return image;
- }
-
- /*
- * @see ILabelDecorator#decorateText(String, Object)
- */
- public String decorateText(String text, Object element) {
- return text;
- }
-
- // Private Methods ---------------------------------------------------------
-
- /**
- * Returns all annotations associated with the given model element.
- *
- * @param element the model element for which annotations should be
- * collected
- * @return an array containing all annotations for the given element, or an
- * empty array if no annotations are found
- */
- private Annotation[] getAssociatedAnnotations(ISourceReference element) {
- List retVal = new ArrayList();
- if (editor != null) {
- IEditorInput input = editor.getEditorInput();
- IAnnotationModel model =
- editor.getDocumentProvider().getAnnotationModel(input);
- for (Iterator i = model.getAnnotationIterator(); i.hasNext(); ) {
- Annotation annotation = (Annotation) i.next();
- Position pos = model.getPosition(annotation);
- if (pos!=null && isInside(pos.getOffset(), element)) {
- retVal.add(annotation);
- }
- }
- }
- return (Annotation[]) retVal.toArray(new Annotation[retVal.size()]);
- }
-
- /**
- * Determines whether the given annotation is an error.
- *
- * @param annotation the annotation to check
- * @return <tt>true</tt> if the annotation is to be displayed as an error,
- * <tt>false</tt> otherwise
- */
- private boolean isError(Annotation annotation) {
- return ANNOTATION_TYPE_ERROR.equals(annotation.getType());
- }
-
- /**
- * Determines whether the given annotation is a warning.
- *
- * @param annotation the annotation to check
- * @return <tt>true</tt> if the annotation is to be displayed as a warning,
- * <tt>false</tt> otherwise
- */
- private boolean isWarning(Annotation annotation) {
- return ANNOTATION_TYPE_WARNING.equals(annotation.getType());
- }
-
- /**
- * Tests if the given position is inside the source region of a model
- * element.
- *
- * @param pos the position to be tested
- * @param element the source element
- * @return boolean <tt>true</tt> if position is located inside the
- * element, otherwise <tt>false</tt>
- */
- private boolean isInside(int pos, ISourceReference element) {
- IRegion region = element.getSourceRegion();
- if (region != null) {
- int offset = region.getOffset();
- return ((offset <= pos) && (offset + region.getLength() > pos));
- }
- return false;
- }
-
-}
+public class ProblemsLabelDecorator extends LabelProvider implements ILabelDecorator {
+
+ // Constants ---------------------------------------------------------------
+
+ private static final String ANNOTATION_TYPE_ERROR = "org.eclipse.ui.workbench.texteditor.error"; //$NON-NLS-1$
+
+ private static final String ANNOTATION_TYPE_WARNING = "org.eclipse.ui.workbench.texteditor.warning"; //$NON-NLS-1$
+
+ // Instance Variables ------------------------------------------------------
+
+ /** The associated text editor if the decorator is used in the outline. */
+ private ITextEditor editor;
+
+ /** Registry of icons and overlay icons. */
+ private ImageDescriptorRegistry registry = new ImageDescriptorRegistry();
+
+ // Constructors ------------------------------------------------------------
+
+ /**
+ * Constructor.
+ *
+ * @param editor
+ * the associated text editor
+ */
+ public ProblemsLabelDecorator(ITextEditor editor) {
+ this.editor = editor;
+ }
+
+ // ILabelDecorator Implementation ------------------------------------------
+
+ /*
+ * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
+ */
+ public void dispose() {
+ super.dispose();
+ registry.dispose();
+ }
+
+ /*
+ * @see ILabelDecorator#decorateImage(Image, Object)
+ */
+ public Image decorateImage(Image image, Object element) {
+ Annotation annotations[] = getAssociatedAnnotations((ISourceReference) element);
+ ImageDescriptor overlay = null;
+ for (int i = 0; i < annotations.length; i++) {
+ if (isError(annotations[i])) {
+ overlay = WebUI.getDefault().getImageRegistry().getDescriptor(WebUI.ICON_OVERLAY_ERROR);
+ } else if (isWarning(annotations[i])) {
+ overlay = WebUI.getDefault().getImageRegistry().getDescriptor(WebUI.ICON_OVERLAY_WARNING);
+ }
+ }
+ if (overlay != null) {
+ ImageDescriptor base = new ImageImageDescriptor(image);
+ return registry.get(new OverlayImageDescriptor(base, new ImageDescriptor[][] { null, null, { overlay }, null }, null));
+ } else {
+ }
+ return image;
+ }
+
+ /*
+ * @see ILabelDecorator#decorateText(String, Object)
+ */
+ public String decorateText(String text, Object element) {
+ return text;
+ }
+
+ // Private Methods ---------------------------------------------------------
+
+ /**
+ * Returns all annotations associated with the given model element.
+ *
+ * @param element
+ * the model element for which annotations should be collected
+ * @return an array containing all annotations for the given element, or an empty array if no annotations are found
+ */
+ private Annotation[] getAssociatedAnnotations(ISourceReference element) {
+ List retVal = new ArrayList();
+ if (editor != null) {
+ IEditorInput input = editor.getEditorInput();
+ IAnnotationModel model = editor.getDocumentProvider().getAnnotationModel(input);
+ if (model != null) { // bug #1120670
+ for (Iterator i = model.getAnnotationIterator(); i.hasNext();) {
+ Annotation annotation = (Annotation) i.next();
+ Position pos = model.getPosition(annotation);
+ if (pos != null && isInside(pos.getOffset(), element)) {
+ retVal.add(annotation);
+ }
+ }
+ }
+ }
+ return (Annotation[]) retVal.toArray(new Annotation[retVal.size()]);
+ }
+
+ /**
+ * Determines whether the given annotation is an error.
+ *
+ * @param annotation
+ * the annotation to check
+ * @return <tt>true</tt> if the annotation is to be displayed as an error, <tt>false</tt> otherwise
+ */
+ private boolean isError(Annotation annotation) {
+ return ANNOTATION_TYPE_ERROR.equals(annotation.getType());
+ }
+
+ /**
+ * Determines whether the given annotation is a warning.
+ *
+ * @param annotation
+ * the annotation to check
+ * @return <tt>true</tt> if the annotation is to be displayed as a warning, <tt>false</tt> otherwise
+ */
+ private boolean isWarning(Annotation annotation) {
+ return ANNOTATION_TYPE_WARNING.equals(annotation.getType());
+ }
+
+ /**
+ * Tests if the given position is inside the source region of a model element.
+ *
+ * @param pos
+ * the position to be tested
+ * @param element
+ * the source element
+ * @return boolean <tt>true</tt> if position is located inside the element, otherwise <tt>false</tt>
+ */
+ private boolean isInside(int pos, ISourceReference element) {
+ IRegion region = element.getSourceRegion();
+ if (region != null) {
+ int offset = region.getOffset();
+ return ((offset <= pos) && (offset + region.getLength() > pos));
+ }
+ return false;
+ }
+
+}
\ No newline at end of file
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