Klaus Hartlage - www.eclipseproject.de
**********************************************************************/
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import org.eclipse.core.resources.IMarker;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.IAnnotationHover;
+import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.ISourceViewer;
+import org.eclipse.ui.texteditor.MarkerAnnotation;
/**
- * The JavaAnnotationHover provides the hover support for java editors.
+ * The PHPAnnotationHover provides the hover support for PHP editors.
*/
public class PHPAnnotationHover implements IAnnotationHover {
/* (non-Javadoc)
* Method declared on IAnnotationHover
*/
- public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) {
- IDocument document= sourceViewer.getDocument();
+// public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) {
+// IDocument document= sourceViewer.getDocument();
+//
+// try {
+// IRegion info= document.getLineInformation(lineNumber);
+// return document.get(info.getOffset(), info.getLength());
+// } catch (BadLocationException x) {
+// }
+//
+// return null;
+// }
+//
+ static final int MAX_INFO_LENGTH = 80;
+
+ /**
+ * @see org.eclipse.jface.text.source.IAnnotationHover#getHoverInfo(org.eclipse.jface.text.source.ISourceViewer, int)
+ */
+
+ public String getHoverInfo(ISourceViewer viewer, int line) {
+ String info = null;
+ List markers = getMarkersForLine(viewer, line);
+ if (markers != null) {
+ info = "";
+ for (int i = 0; i < markers.size(); i++) {
+ IMarker marker = (IMarker) markers.get(i);
+ String message =
+ marker.getAttribute(IMarker.MESSAGE, (String) null);
+ if (message != null && message.trim().length() > 0) {
+
+ if (message.length() > MAX_INFO_LENGTH) {
+ message = splitMessage(message);
+ }
+ info += message;
+
+ if(i != markers.size() - 1) {
+ info += "\n";
+ }
+ }
+ }
+ }
+ return info;
+ }
+
+ private String splitMessage(String message) {
+ String result = "";
+
+ if(message.length() <= MAX_INFO_LENGTH) {
+ return message;
+ }
+
+ String tmpStr = new String(message);
+
+ while(tmpStr.length() > MAX_INFO_LENGTH) {
+
+ int spacepos = tmpStr.indexOf(" ", MAX_INFO_LENGTH);
+
+ if(spacepos != -1) {
+ result += tmpStr.substring(0, spacepos) + "\n";
+ tmpStr = tmpStr.substring(spacepos);
+ }
+ else {
+ result += tmpStr.substring(0, MAX_INFO_LENGTH) + "\n";
+ tmpStr = tmpStr.substring(MAX_INFO_LENGTH);
+ }
+
+
+
+ }
+
+ result += tmpStr;
+
+ return result;
+ }
+
+ /**
+ * Returns all markers which includes the ruler's line of activity.
+ */
+ protected List getMarkersForLine(ISourceViewer aViewer, int aLine) {
+ List markers = new ArrayList();
+ IAnnotationModel model = aViewer.getAnnotationModel();
+ if (model != null) {
+ Iterator e = model.getAnnotationIterator();
+ while (e.hasNext()) {
+ Object o = e.next();
+ if (o instanceof MarkerAnnotation) {
+ MarkerAnnotation a = (MarkerAnnotation) o;
+ if (compareRulerLine(model.getPosition(a),
+ aViewer.getDocument(),
+ aLine)
+ != 0) {
+ markers.add(a.getMarker());
+ }
+ }
+ }
+ }
+ return markers;
+ }
- try {
- IRegion info= document.getLineInformation(lineNumber);
- return document.get(info.getOffset(), info.getLength());
- } catch (BadLocationException x) {
- }
+ /**
+ * Returns one marker which includes the ruler's line of activity.
+ */
+ protected IMarker getMarkerForLine(ISourceViewer aViewer, int aLine) {
+ IMarker marker = null;
+ IAnnotationModel model = aViewer.getAnnotationModel();
+ if (model != null) {
+ Iterator e = model.getAnnotationIterator();
+ while (e.hasNext()) {
+ Object o = e.next();
+ if (o instanceof MarkerAnnotation) {
+ MarkerAnnotation a = (MarkerAnnotation) o;
+ if (compareRulerLine(model.getPosition(a),
+ aViewer.getDocument(),
+ aLine)
+ != 0) {
+ marker = a.getMarker();
+ }
+ }
+ }
+ }
+ return marker;
+ }
- return null;
- }
+ /**
+ * Returns distance of given line to specified position (1 = same line,
+ * 2 = included in given position, 0 = not related).
+ */
+ protected int compareRulerLine(
+ Position aPosition,
+ IDocument aDocument,
+ int aLine) {
+ int distance = 0;
+ if (aPosition.getOffset() > -1 && aPosition.getLength() > -1) {
+ try {
+ int markerLine =
+ aDocument.getLineOfOffset(aPosition.getOffset());
+ if (aLine == markerLine) {
+ distance = 1;
+ } else if (
+ markerLine <= aLine
+ && aLine
+ <= aDocument.getLineOfOffset(
+ aPosition.getOffset()
+ + aPosition.getLength())) {
+ distance = 2;
+ }
+ } catch (BadLocationException e) {
+ }
+ }
+ return distance;
+ }
}