--- /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.java.hover;
+
+import java.io.IOException;
+
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IMember;
+import net.sourceforge.phpdt.core.ISourceReference;
+import net.sourceforge.phpdt.core.JavaModelException;
+import net.sourceforge.phpdt.internal.ui.text.HTMLPrinter;
+import net.sourceforge.phpdt.internal.ui.text.PHPCodeReader;
+import net.sourceforge.phpdt.internal.ui.viewsupport.JavaElementLabels;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.IDocument;
+
+/**
+ * Provides source as hover info for Java elements.
+ */
+public class JavaSourceHover extends AbstractJavaEditorTextHover {
+
+ private final int LABEL_FLAGS = JavaElementLabels.ALL_FULLY_QUALIFIED
+ | JavaElementLabels.M_PRE_RETURNTYPE
+ | JavaElementLabels.M_PARAMETER_TYPES
+ | JavaElementLabels.M_PARAMETER_NAMES
+ | JavaElementLabels.M_EXCEPTIONS
+ | JavaElementLabels.F_PRE_TYPE_SIGNATURE;
+
+ /*
+ * @see JavaElementHover
+ */
+ protected String getHoverInfo(IJavaElement[] result) {
+ int nResults = result.length;
+ StringBuffer buffer = new StringBuffer();
+
+ if (nResults > 1) {
+
+ for (int i = 0; i < result.length; i++) {
+ HTMLPrinter.startBulletList(buffer);
+ IJavaElement curr = result[i];
+ if (curr instanceof IMember)
+ HTMLPrinter.addBullet(buffer, getInfoText((IMember) curr));
+ HTMLPrinter.endBulletList(buffer);
+ }
+
+ } else {
+
+ IJavaElement curr = result[0];
+ if (curr instanceof IMember && curr instanceof ISourceReference) {
+ HTMLPrinter.addSmallHeader(buffer,
+ getInfoText(((IMember) curr)));
+ try {
+ String source = ((ISourceReference) curr).getSource();
+ source = removeLeadingComments(source);
+ HTMLPrinter.addParagraph(buffer, "<pre>"); //$NON-NLS-1$
+ HTMLPrinter.addParagraph(buffer, source);
+ HTMLPrinter.addParagraph(buffer, "</pre>"); //$NON-NLS-1$
+ } catch (JavaModelException ex) {
+ // only write small header
+ }
+ }
+ }
+
+ if (buffer.length() > 0) {
+ HTMLPrinter.insertPageProlog(buffer, 0);
+ HTMLPrinter.addPageEpilog(buffer);
+ return buffer.toString();
+ }
+
+ return null;
+ }
+
+ private String getInfoText(IMember member) {
+ return JavaElementLabels.getElementLabel(member, LABEL_FLAGS);
+ }
+
+ private String removeLeadingComments(String source) {
+ PHPCodeReader reader = new PHPCodeReader();
+ IDocument document = new Document(source);
+ int i;
+ try {
+ reader.configureForwardReader(document, 0, document.getLength(),
+ true, false);
+ int c = reader.read();
+ while (c != -1 && (c == '\r' || c == '\n')) {
+ c = reader.read();
+ }
+ i = reader.getOffset();
+ reader.close();
+ } catch (IOException ex) {
+ i = 0;
+ } finally {
+ try {
+ if (reader != null)
+ reader.close();
+ } catch (IOException ex) {
+ PHPeclipsePlugin.log(ex);
+ }
+ }
+
+ if (i < 0)
+ return source;
+ return source.substring(i);
+ }
+}