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package net.sourceforge.phpeclipse.phpeditor;
+import java.util.HashMap;
-import org.eclipse.swt.graphics.Point;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPFunctionDescription;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPFunctionNames;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
import org.eclipse.jface.text.BadLocationException;
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.
+ * Example 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();
+ /* (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(997);
+ for (int i=0; i<PHPFunctionNames.FUNCTION_NAMES.length;i++) {
+ functionDescriptions.put(PHPFunctionNames.FUNCTION_NAMES[i],PHPFunctionDescription.FUNCTION_DESCRIPTION[i]);
+ }
+ }
+ return (String) functionDescriptions.get(word);
+ }
+ } catch (BadLocationException x) {
+ }
+ }
+ return "empty selection";
+ }
- /* (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);
- }
+ /* (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);
+ }
}