*******************************************************************************/
package net.sourceforge.phpdt.internal.ui.text.java.hover;
-
import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import net.sourceforge.phpdt.ui.text.java.hover.IJavaEditorTextHover;
import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import org.eclipse.jface.text.IInformationControlCreator;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextHover;
+import org.eclipse.jface.text.ITextHoverExtension;
import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.information.IInformationProviderExtension2;
import org.eclipse.ui.IEditorPart;
/**
* Caution: this implementation is a layer breaker and contains some "shortcuts"
*/
-public class BestMatchHover extends AbstractJavaEditorTextHover {
-
- private static class JavaEditorTextHoverDescriptorComparator implements Comparator {
-
- /*
- * @see Comparator#compare(Object, Object)
- */
- public int compare(Object object0, Object object1) {
-
- JavaEditorTextHoverDescriptor element0= (JavaEditorTextHoverDescriptor)object0;
- JavaEditorTextHoverDescriptor element1= (JavaEditorTextHoverDescriptor)object1;
-
- String id0= element0.getId();
- String id1= element1.getId();
-
- if (id0 != null && id0.equals(id1))
- return 0;
-
- if (id0 != null && JavaProblemHover.isJavaProblemHover(id0))
- return -1;
-
- if (id1 != null && JavaProblemHover.isJavaProblemHover(id1))
- return +1;
-
-
- // now compare non-problem hovers
- if (element0.dependsOn(element1))
- return -1;
-
- if (element1.dependsOn(element0))
- return +1;
-
- return 0;
- }
- }
-
- protected String fCurrentPerspectiveId;
- protected List fTextHoverSpecifications;
- protected List fInstantiatedTextHovers;
+public class BestMatchHover extends AbstractJavaEditorTextHover implements
+ ITextHoverExtension, IInformationProviderExtension2 {
+ private List fTextHoverSpecifications;
+
+ private List fInstantiatedTextHovers;
+
+ private ITextHover fBestHover;
public BestMatchHover() {
installTextHovers();
this();
setEditor(editor);
}
-
+
/**
* Installs all text hovers.
*/
private void installTextHovers() {
-
+
// initialize lists - indicates that the initialization happened
- fTextHoverSpecifications= new ArrayList(2);
- fInstantiatedTextHovers= new ArrayList(2);
+ fTextHoverSpecifications = new ArrayList(2);
+ fInstantiatedTextHovers = new ArrayList(2);
// populate list
- JavaEditorTextHoverDescriptor[] hoverDescs= PHPeclipsePlugin.getDefault().getJavaEditorTextHoverDescriptors();
- for (int i= 0; i < hoverDescs.length; i++) {
+ JavaEditorTextHoverDescriptor[] hoverDescs = PHPeclipsePlugin
+ .getDefault().getJavaEditorTextHoverDescriptors();
+ for (int i = 0; i < hoverDescs.length; i++) {
// ensure that we don't add ourselves to the list
- if (!PreferenceConstants.ID_BESTMATCH_HOVER.equals(hoverDescs[i].getId()))
+ if (!PreferenceConstants.ID_BESTMATCH_HOVER.equals(hoverDescs[i]
+ .getId()))
fTextHoverSpecifications.add(hoverDescs[i]);
}
- Collections.sort(fTextHoverSpecifications, new JavaEditorTextHoverDescriptorComparator());
- }
+ }
private void checkTextHovers() {
if (fTextHoverSpecifications.size() == 0)
return;
- for (Iterator iterator= new ArrayList(fTextHoverSpecifications).iterator(); iterator.hasNext(); ) {
- JavaEditorTextHoverDescriptor spec= (JavaEditorTextHoverDescriptor) iterator.next();
+ for (Iterator iterator = new ArrayList(fTextHoverSpecifications)
+ .iterator(); iterator.hasNext();) {
+ JavaEditorTextHoverDescriptor spec = (JavaEditorTextHoverDescriptor) iterator
+ .next();
- IJavaEditorTextHover hover= spec.createTextHover();
+ IJavaEditorTextHover hover = spec.createTextHover();
if (hover != null) {
hover.setEditor(getEditor());
addTextHover(hover);
public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
checkTextHovers();
+ fBestHover = null;
if (fInstantiatedTextHovers == null)
return null;
- for (Iterator iterator= fInstantiatedTextHovers.iterator(); iterator.hasNext(); ) {
- ITextHover hover= (ITextHover) iterator.next();
+ for (Iterator iterator = fInstantiatedTextHovers.iterator(); iterator
+ .hasNext();) {
+ ITextHover hover = (ITextHover) iterator.next();
- String s= hover.getHoverInfo(textViewer, hoverRegion);
- if (s != null && s.trim().length() > 0)
+ String s = hover.getHoverInfo(textViewer, hoverRegion);
+ if (s != null && s.trim().length() > 0) {
+ fBestHover = hover;
return s;
+ }
}
return null;
}
-}
+
+ /*
+ * @see org.eclipse.jface.text.ITextHoverExtension#getHoverControlCreator()
+ * @since 3.0
+ */
+ public IInformationControlCreator getHoverControlCreator() {
+ if (fBestHover instanceof ITextHoverExtension)
+ return ((ITextHoverExtension) fBestHover).getHoverControlCreator();
+
+ return null;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.information.IInformationProviderExtension2#getInformationPresenterControlCreator()
+ * @since 3.0
+ */
+ public IInformationControlCreator getInformationPresenterControlCreator() {
+ if (fBestHover instanceof IInformationProviderExtension2)
+ return ((IInformationProviderExtension2) fBestHover)
+ .getInformationPresenterControlCreator();
+
+ return null;
+ }
+}
\ No newline at end of file
git://git.phpeclipse.com / phpeclipse.git / blobdiff