Changeset 1811 for trunk/org.modelica.mdt.ui/src

Timestamp:

09/08/13 23:16:15 (11 years ago)

Author:

masberg

Message:

Bugfix: NullPointerException? when trying to open extensionless in MDT project. Formatting fixes.

File:

• trunk/org.modelica.mdt.ui/src/org/modelica/mdt/ui/refactoring/ui/actions/RenameFunction.java (modified) (1 diff)

trunk/org.modelica.mdt.ui/src/org/modelica/mdt/ui/refactoring/ui/actions/RenameFunction.java

@@ -20 +20 @@
 
 /** <p>action that is triggered from the editor context menu.</p>
-  * 
-  * <p>This action is declared in the <code>plugin.xml</code>.</p>
-  * 
-  * @author Leif Frenzel
-  */
+ * 
+ * <p>This action is declared in the <code>plugin.xml</code>.</p>
+ * 
+ * @author Leif Frenzel
+ */
 public class RenameFunction implements IEditorActionDelegate {
 
-  private static final String EXT_MO = "mo"; //$NON-NLS-1$
-  
-  private ISelection selection;
-  private IEditorPart targetEditor;
-  private boolean onPropertiesFile;
+    private static final String EXT_MO = "mo"; //$NON-NLS-1$
 
-  private RenameFunctionInfo info = new RenameFunctionInfo();
-  
-  
-  // interface methods of IEditorActionDelegate
-  /////////////////////////////////////////////
+    private ISelection selection;
+    private IEditorPart targetEditor;
+    private boolean onPropertiesFile;
 
-  public void setActiveEditor( final IAction action, 
-                               final IEditorPart targetEditor ) {
-    this.targetEditor = targetEditor;
-    onPropertiesFile = false;
-    IFile file = getFile();
-    if(    file != null 
-        && file.getFileExtension().equals( EXT_MO ) ) {
-      onPropertiesFile = true;
-    }                           
-  }
+    private RenameFunctionInfo info = new RenameFunctionInfo();
 
-  public void run( final IAction action ) {
-    if( !onPropertiesFile ) {
-      refuse();
-    } else {
-      if( selection != null && selection instanceof ITextSelection ) {
-        applySelection( ( ITextSelection )selection );
-        if( saveAll() ) {
-          openWizard();
-        }
-      }
-    }
-  }
 
-  public void selectionChanged( final IAction action, 
-                                final ISelection selection ) {
-    this.selection = selection;
-  }
-  
-  
-  // helping methods
-  //////////////////
+    // interface methods of IEditorActionDelegate
+    /////////////////////////////////////////////
 
-  private void applySelection( final ITextSelection textSelection ) {
-    info.setOldName( textSelection.getText() );
-    info.setNewName( textSelection.getText() );
-    info.setOffset( textSelection.getOffset() );
-    info.setSourceFile( getFile() );
-  }
+    public void setActiveEditor(final IAction action, final IEditorPart targetEditor) {
+        this.targetEditor = targetEditor;
+        onPropertiesFile = false;
+        IFile file = getFile();
+        if (file != null) {
+            String fileExtension = file.getFileExtension();
+            if (fileExtension != null && fileExtension.equals(EXT_MO)) {
+                onPropertiesFile = true;
+            }
+        }                           
+    }
 
-  private void refuse() {
-    String title = UITexts.renameFunction_refuseDlg_title;
-    String message = UITexts.renameFunction_refuseDlg_message;
-    MessageDialog.openInformation( getShell(), title, message );
-  }
+    public void run(final IAction action) {
+        if (!onPropertiesFile) {
+            refuse();
+        } 
+        else {
+            if (selection != null && selection instanceof ITextSelection) {
+                applySelection((ITextSelection)selection);
+                if (saveAll()) {
+                    openWizard();
+                }
+            }
+        }
+    }
 
-  private static boolean saveAll() {
-    IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
-    return IDE.saveAllEditors( new IResource[] { workspaceRoot }, false );
-  }
-  
-  private void openWizard() {
-    RefactoringProcessor processor = new RenameFunctionProcessor( info );
-    RenameFunctionRefactoring ref = new RenameFunctionRefactoring( processor );
-    RenameFunctionWizard wizard = new RenameFunctionWizard( ref, info );
-    RefactoringWizardOpenOperation op 
-      = new RefactoringWizardOpenOperation( wizard );
-    try {
-      String titleForFailedChecks = ""; //$NON-NLS-1$
-      op.run( getShell(), titleForFailedChecks );
-    } catch( final InterruptedException irex ) {
-      // operation was cancelled
-    }
-  }
+    public void selectionChanged(final IAction action, final ISelection selection) {
+        this.selection = selection;
+    }
 
-  private Shell getShell() {
-    Shell result = null;
-    if( targetEditor != null ) {
-      result = targetEditor.getSite().getShell();
-    } else {
-      result = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
-    }
-    return result;
-  }
-  
-  private final IFile getFile() {
-    IFile result = null;
-    if( targetEditor instanceof ITextEditor )  {
-      ITextEditor editor = ( ITextEditor )targetEditor;
-      IEditorInput input = editor.getEditorInput();
-      if( input instanceof IFileEditorInput ) {
-        result = ( ( IFileEditorInput )input ).getFile();
-      }
-    }
-    return result;
-  }
+
+    // helper methods
+    //////////////////
+
+    private void applySelection(final ITextSelection textSelection) {
+        info.setOldName(textSelection.getText());
+        info.setNewName(textSelection.getText());
+        info.setOffset(textSelection.getOffset());
+        info.setSourceFile(getFile());
+    }
+
+    private void refuse() {
+        String title = UITexts.renameFunction_refuseDlg_title;
+        String message = UITexts.renameFunction_refuseDlg_message;
+        MessageDialog.openInformation(getShell(), title, message);
+    }
+
+    private static boolean saveAll() {
+        IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+        return IDE.saveAllEditors(new IResource[] { workspaceRoot }, false);
+    }
+
+    private void openWizard() {
+        RefactoringProcessor processor = new RenameFunctionProcessor(info);
+        RenameFunctionRefactoring ref = new RenameFunctionRefactoring(processor);
+        RenameFunctionWizard wizard = new RenameFunctionWizard(ref, info);
+        RefactoringWizardOpenOperation op = new RefactoringWizardOpenOperation(wizard);
+        try {
+            String titleForFailedChecks = ""; //$NON-NLS-1$
+            op.run( getShell(), titleForFailedChecks );
+        } 
+        catch (final InterruptedException irex) {
+            // operation was cancelled
+        }
+    }
+
+    private Shell getShell() {
+        Shell result = null;
+        if (targetEditor != null) {
+            result = targetEditor.getSite().getShell();
+        } 
+        else {
+            result = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
+        }
+        return result;
+    }
+
+    private final IFile getFile() {
+        IFile result = null;
+        if (targetEditor instanceof ITextEditor)  {
+            ITextEditor editor = (ITextEditor)targetEditor;
+            IEditorInput input = editor.getEditorInput();
+            if (input instanceof IFileEditorInput) {
+                result = ((IFileEditorInput)input).getFile();
+            }
+        }
+        return result;
+    }
 }