X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/JavaElementProvider.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/JavaElementProvider.java
new file mode 100644
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--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/JavaElementProvider.java
@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * 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;
+		}
+	}
+}