*******************************************************************************/
package net.sourceforge.phpdt.internal.ui.text.java.hover;
-
import net.sourceforge.phpdt.internal.ui.text.JavaWordFinder;
import net.sourceforge.phpdt.ui.text.java.hover.IJavaEditorTextHover;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
-
public class JavaInformationProvider implements IInformationProvider {
class EditorWatcher implements IPartListener {
-
+
/**
* @see IPartListener#partOpened(IWorkbenchPart)
*/
public void partOpened(IWorkbenchPart part) {
}
-
+
/**
* @see IPartListener#partDeactivated(IWorkbenchPart)
*/
public void partDeactivated(IWorkbenchPart part) {
}
-
+
/**
* @see IPartListener#partClosed(IWorkbenchPart)
*/
public void partClosed(IWorkbenchPart part) {
if (part == fEditor) {
- fEditor.getSite().getWorkbenchWindow().getPartService().removePartListener(fPartListener);
- fPartListener= null;
+ fEditor.getSite().getWorkbenchWindow().getPartService()
+ .removePartListener(fPartListener);
+ fPartListener = null;
}
}
-
+
/**
* @see IPartListener#partActivated(IWorkbenchPart)
*/
public void partActivated(IWorkbenchPart part) {
update();
}
-
+
public void partBroughtToTop(IWorkbenchPart part) {
update();
- }
+ }
}
-
+
protected IEditorPart fEditor;
+
protected IPartListener fPartListener;
-
+
protected String fCurrentPerspective;
+
protected IJavaEditorTextHover fImplementation;
-
-
+
public JavaInformationProvider(IEditorPart editor) {
-
- fEditor= editor;
-
+
+ fEditor = editor;
+
if (fEditor != null) {
-
- fPartListener= new EditorWatcher();
- IWorkbenchWindow window= fEditor.getSite().getWorkbenchWindow();
+
+ fPartListener = new EditorWatcher();
+ IWorkbenchWindow window = fEditor.getSite().getWorkbenchWindow();
window.getPartService().addPartListener(fPartListener);
-
+
update();
}
}
-
+
protected void update() {
-
- IWorkbenchWindow window= fEditor.getSite().getWorkbenchWindow();
- IWorkbenchPage page= window.getActivePage();
+
+ IWorkbenchWindow window = fEditor.getSite().getWorkbenchWindow();
+ IWorkbenchPage page = window.getActivePage();
if (page != null) {
-
- IPerspectiveDescriptor perspective= page.getPerspective();
- if (perspective != null) {
- String perspectiveId= perspective.getId();
-
- if (fCurrentPerspective == null || fCurrentPerspective != perspectiveId) {
- fCurrentPerspective= perspectiveId;
-
- fImplementation= new JavaTypeHover();
+
+ IPerspectiveDescriptor perspective = page.getPerspective();
+ if (perspective != null) {
+ String perspectiveId = perspective.getId();
+
+ if (fCurrentPerspective == null
+ || fCurrentPerspective != perspectiveId) {
+ fCurrentPerspective = perspectiveId;
+
+ fImplementation = new JavaTypeHover();
fImplementation.setEditor(fEditor);
}
}
}
}
-
+
/*
* @see IInformationProvider#getSubject(ITextViewer, int)
*/
public IRegion getSubject(ITextViewer textViewer, int offset) {
-
+
if (textViewer != null)
return JavaWordFinder.findWord(textViewer.getDocument(), offset);
-
- return null;
+
+ return null;
}
/*
*/
public String getInformation(ITextViewer textViewer, IRegion subject) {
if (fImplementation != null) {
- String s= fImplementation.getHoverInfo(textViewer, subject);
+ String s = fImplementation.getHoverInfo(textViewer, subject);
if (s != null && s.trim().length() > 0)
return s;
}
-
+
return null;
}
}