original

[gb-231r1-is01/GB_2.3_IS01.git] / sdk / eclipse / plugins / com.android.ide.eclipse.pdt / src / com / android / ide / eclipse / pdt / internal / SourceRevealer.java

diff --git a/sdk/eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/SourceRevealer.java b/sdk/eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/SourceRevealer.java
new file mode 100644 (file)
index 0000000..cfab452
--- /dev/null
+++ b/sdk/eclipse/plugins/com.android.ide.eclipse.pdt/src/com/android/ide/eclipse/pdt/internal/SourceRevealer.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.ide.eclipse.pdt.internal;
+
+import com.android.ide.eclipse.ddms.ISourceRevealer;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.core.JavaModelException;
+import org.eclipse.jdt.ui.JavaUI;
+import org.eclipse.jdt.ui.actions.OpenJavaPerspectiveAction;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+/**
+ * Implementation of the com.android.ide.ddms.sourceRevealer extension point.
+ */
+public class SourceRevealer extends DevTreeProjectProvider implements ISourceRevealer {
+
+    public boolean reveal(String applicationName, String className, int line) {
+        IProject project = getProject();
+
+        if (project != null) {
+            // Inner classes are pointless: All we need is the enclosing type to find the file,
+            // and the line number.
+            // Since the anonymous ones will cause IJavaProject#findType to fail, we remove
+            // all of them.
+            int pos = className.indexOf('$');
+            if (pos != -1) {
+                className = className.substring(0, pos);
+            }
+
+            // get the java project
+            IJavaProject javaProject = JavaCore.create(project);
+
+            try {
+                // look for the IType matching the class name.
+                IType result = javaProject.findType(className);
+                if (result != null && result.exists()) {
+                    // before we show the type in an editor window, we make sure the current
+                    // workbench page has an editor area (typically the ddms perspective doesn't).
+                    IWorkbench workbench = PlatformUI.getWorkbench();
+                    IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
+                    IWorkbenchPage page = window.getActivePage();
+                    if (page.isEditorAreaVisible() == false) {
+                        // no editor area? we open the java perspective.
+                        new OpenJavaPerspectiveAction().run();
+                    }
+
+                    IEditorPart editor = JavaUI.openInEditor(result);
+                    if (editor instanceof ITextEditor) {
+                        // get the text editor that was just opened.
+                        ITextEditor textEditor = (ITextEditor)editor;
+
+                        IEditorInput input = textEditor.getEditorInput();
+
+                        // get the location of the line to show.
+                        IDocumentProvider documentProvider = textEditor.getDocumentProvider();
+                        IDocument document = documentProvider.getDocument(input);
+                        IRegion lineInfo = document.getLineInformation(line - 1);
+
+                        // select and reveal the line.
+                        textEditor.selectAndReveal(lineInfo.getOffset(), lineInfo.getLength());
+                    }
+
+                    return true;
+                }
+            } catch (JavaModelException e) {
+            } catch (PartInitException e) {
+            } catch (BadLocationException e) {
+            }
+        }
+
+        return false;
+    }
+
+}