X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPTextHover.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPTextHover.java
index 884a557..81b66fe 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPTextHover.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/PHPTextHover.java
@@ -1,50 +1,129 @@
 /**********************************************************************
-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
+ 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
-**********************************************************************/
+ Contributors:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
 package net.sourceforge.phpeclipse.phpeditor;
+import java.io.FileReader;
+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.PHPWordExtractor;
 
-import org.eclipse.swt.graphics.Point;
-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.jface.text.Region;
-
+import org.eclipse.swt.graphics.Point;
 /**
- * Example implementation for an <code>ITextHover</code> which hovers over Java code.
+ * Implementation for an <code>ITextHover</code> which hovers over PHP code.
  */
 public class PHPTextHover implements ITextHover {
-
-	/* (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= textViewer.getSelectedRange();
-		if (selection.x <= offset && offset < selection.x + selection.y)
-			return new Region(selection.x, selection.y);
-		return new Region(offset, 0);
-	}
+  public static HashMap functionDescriptions = null;
+  private static PHPWordExtractor phpWordDetector = new PHPWordExtractor();
+  /**
+   * 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();
+            ArrayList syntaxbuffer = PHPSyntaxRdr.getSyntaxData();
+            String strbuffer = null;
+            PHPElement elbuffer = null;
+            if (syntaxbuffer != null) {
+              for (int i = 0; i < syntaxbuffer.size(); i++) {
+                elbuffer = (PHPElement) syntaxbuffer.get(i);
+                functionDescriptions.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) functionDescriptions.get(word);
+          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;
+                FileReader phpdocFileReader;
+                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);
+  }
 }