--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation 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 API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.text;
+
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.internal.ui.actions.SelectionConverter;
+import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
+
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.information.IInformationProvider;
+import org.eclipse.jface.text.information.IInformationProviderExtension;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IEditorPart;
+
+/**
+ * Provides a Java element to be displayed in by an information presenter.
+ */
+public class JavaElementProvider implements IInformationProvider,
+ IInformationProviderExtension {
+
+ private PHPEditor fEditor;
+
+ private boolean fUseCodeResolve;
+
+ public JavaElementProvider(IEditorPart editor) {
+ fUseCodeResolve = false;
+ if (editor instanceof PHPEditor)
+ fEditor = (PHPEditor) editor;
+ }
+
+ public JavaElementProvider(IEditorPart editor, boolean useCodeResolve) {
+ this(editor);
+ fUseCodeResolve = useCodeResolve;
+ }
+
+ /*
+ * @see IInformationProvider#getSubject(ITextViewer, int)
+ */
+ public IRegion getSubject(ITextViewer textViewer, int offset) {
+ if (textViewer != null && fEditor != null) {
+ IRegion region = JavaWordFinder.findWord(textViewer.getDocument(),
+ offset);
+ if (region != null)
+ return region;
+ else
+ return new Region(offset, 0);
+ }
+ return null;
+ }
+
+ /*
+ * @see IInformationProvider#getInformation(ITextViewer, IRegion)
+ */
+ public String getInformation(ITextViewer textViewer, IRegion subject) {
+ return getInformation2(textViewer, subject).toString();
+ }
+
+ /*
+ * @see IInformationProviderExtension#getElement(ITextViewer, IRegion)
+ */
+ public Object getInformation2(ITextViewer textViewer, IRegion subject) {
+ if (fEditor == null)
+ return null;
+
+ try {
+ if (fUseCodeResolve) {
+ IStructuredSelection sel = SelectionConverter
+ .getStructuredSelection(fEditor);
+ if (!sel.isEmpty())
+ return sel.getFirstElement();
+ }
+ IJavaElement element = SelectionConverter
+ .getElementAtOffset(fEditor);
+ if (element != null)
+ return element;
+ return SelectionConverter.getInput(fEditor);
+ } catch (JavaModelException e) {
+ return null;
+ }
+ }
+}