/**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. and others.
-All rights reserved. This program and the accompanying materials
-are made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-
-Contributors:
- IBM Corporation - Initial implementation
- Klaus Hartlage - www.eclipseproject.de
-**********************************************************************/
+ Copyright (c) 2000, 2002 IBM Corp. and others.
+ All rights reserved. This program and the accompanying materials
+ are made available under the terms of the Common Public License v1.0
+ which accompanies this distribution, and is available at
+ http://www.eclipse.org/legal/cpl-v10.html
+
+ Contributors:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
package net.sourceforge.phpeclipse.phpeditor;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import net.sourceforge.phpdt.internal.corext.phpdoc.PHPDocUtil;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.builder.IdentifierIndexManager;
+import net.sourceforge.phpeclipse.builder.PHPIdentifierLocation;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPElement;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPFunction;
import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
-import org.eclipse.jface.text.BadLocationException;
+
+import org.eclipse.core.resources.IProject;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextHover;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.swt.graphics.Point;
/**
- * Example implementation for an <code>ITextHover</code>
- * which hovers over PHP code.
+ * Implementation for an <code>ITextHover</code> which hovers over PHP code.
*/
public class PHPTextHover implements ITextHover {
- private static PHPWordExtractor phpWordDetector = new PHPWordExtractor();
- /* (non-Javadoc)
- * Method declared on ITextHover
- */
- public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
- if (hoverRegion != null) {
- try {
- if (hoverRegion.getLength() > -1) {
- return textViewer.getDocument().get(hoverRegion.getOffset(), hoverRegion.getLength());
- }
- } catch (BadLocationException x) {
- }
- }
- return "empty selection";
- }
-
- /* (non-Javadoc)
- * Method declared on ITextHover
- */
- public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
- Point selection = PHPWordExtractor.findWord(textViewer.getDocument(), offset);
-// show the extracted word as a tooltip
- if (selection!=null && selection.x <= offset && offset < selection.x + selection.y)
- return new Region(selection.x, selection.y);
- return new Region(offset, 0);
- }
+ private static HashMap functionDescriptions = null;
+
+ private static HashMap identDescriptions = null;
+
+ /**
+ * The current project; maybe <code>null</code> for preference pages
+ */
+ private IProject fProject;
+
+ public PHPTextHover(IProject project) {
+ fProject = project;
+ }
+
+ /*
+ * (non-Javadoc) Method declared on ITextHover
+ */
+ public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
+ if (hoverRegion != null) {
+ try {
+ if (hoverRegion.getLength() > -1) {
+ String word = textViewer.getDocument().get(
+ hoverRegion.getOffset(), hoverRegion.getLength());
+ if (functionDescriptions == null) {
+ functionDescriptions = new HashMap();
+ identDescriptions = new HashMap();
+ ArrayList syntaxbuffer = PHPSyntaxRdr.getSyntaxData();
+ PHPElement elbuffer = null;
+ if (syntaxbuffer != null) {
+ for (int i = 0; i < syntaxbuffer.size(); i++) {
+ elbuffer = (PHPElement) syntaxbuffer.get(i);
+ if (elbuffer instanceof PHPFunction) {
+ functionDescriptions.put(
+ elbuffer.getName(), elbuffer
+ .getHoverText());
+ } else {
+ identDescriptions.put(elbuffer.getName(),
+ elbuffer.getHoverText());
+ }
+ }
+ }
+ //
+ // while ((syntaxbuffer != null)
+ // && (!syntaxbuffer.isEmpty() && ((elbuffer =
+ // (PHPElement)
+ // syntaxbuffer.remove(0)) != null))) {
+ // functionDescriptions.put(elbuffer.getName(),
+ // elbuffer.getHoverText());
+ // }
+ }
+ String hoverInfo = (String) identDescriptions.get(word);
+ if (hoverInfo == null & word.length() > 0) {
+ hoverInfo = (String) functionDescriptions.get(word
+ .toLowerCase());
+ }
+ if (hoverInfo == null && fProject != null) {
+ // get the possible PHPDoc information from the index
+ // file
+ IdentifierIndexManager indexManager = PHPeclipsePlugin
+ .getDefault().getIndexManager(fProject);
+ List list = indexManager.getLocations(word);
+ if (list.size() > 0) {
+ try {
+ PHPIdentifierLocation location;
+ String filename;
+ StringBuffer hoverInfoBuffer = new StringBuffer();
+ String workspaceLocation;
+ if (fProject != null) {
+ workspaceLocation = fProject.getLocation()
+ .toString() + '/';
+ } else {
+ // should never happen?
+ workspaceLocation = PHPeclipsePlugin
+ .getWorkspace().getRoot()
+ .getLocation().toString();
+ }
+ // boolean foundPHPdoc = false;
+ for (int i = 0; i < list.size(); i++) {
+ location = (PHPIdentifierLocation) list
+ .get(i);
+ filename = workspaceLocation
+ + location.getFilename();
+ PHPDocUtil.appendPHPDoc(hoverInfoBuffer,
+ filename, location);
+ }
+ hoverInfo = hoverInfoBuffer.toString();
+ } catch (Throwable e) {
+ // ignore exceptions
+ // e.printStackTrace();
+ }
+ }
+ }
+ return hoverInfo;
+ }
+ // } catch (BadLocationException x) {
+ } catch (Exception x) {
+ }
+ }
+ return null;
+ // don't show this annoying text
+ // return "empty selection";
+ }
+
+ /*
+ * (non-Javadoc) Method declared on ITextHover
+ */
+ public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
+ Point selection = PHPWordExtractor.findWord(textViewer.getDocument(),
+ offset);
+ // show the extracted word as a tooltip
+ if (selection != null && selection.x <= offset
+ && offset < selection.x + selection.y)
+ return new Region(selection.x, selection.y);
+ return new Region(offset, 0);
+ }
}
git://git.phpeclipse.com / phpeclipse.git / blobdiff