Contributors:
IBM Corporation - Initial implementation
- Klaus Hartlage - www.eclipseproject.de
+ 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.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.core.resources.IProject;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Region;
import org.eclipse.swt.graphics.Point;
+
/**
* Implementation for an <code>ITextHover</code> which hovers over PHP code.
*/
public class PHPTextHover implements ITextHover {
- 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);
- }
+ 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);
+ }
}
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