Initial implementation of "Rename Local Variable" refactoring.

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/RefactoringSaveHelper.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/RefactoringSaveHelper.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/RefactoringSaveHelper.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/RefactoringSaveHelper.java
index de4c0d033418334a9ac9f26e31c75ad021ec12e5..7a34ca8168f6198aedee4543ad26241ebe1cbca0 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/RefactoringSaveHelper.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/RefactoringSaveHelper.java
@@ -1,7 +1,6 @@
 package com.google.dart.tools.ui.internal.refactoring;
 
 import com.google.dart.tools.ui.DartToolsPlugin;
-import com.google.dart.tools.ui.PreferenceConstants;
 import com.google.dart.tools.ui.internal.text.editor.EditorUtility;
 import com.google.dart.tools.ui.internal.util.CoreUtility;
 import com.google.dart.tools.ui.internal.util.ExceptionHandler;
@@ -10,47 +9,19 @@ import org.eclipse.core.resources.IncrementalProjectBuilder;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.Assert;
 import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.SubProgressMonitor;
-import org.eclipse.jface.operation.IRunnableWithProgress;
-import org.eclipse.jface.viewers.ArrayContentProvider;
-import org.eclipse.jface.viewers.ILabelProvider;
-import org.eclipse.jface.viewers.LabelProvider;
-import org.eclipse.jface.window.Window;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.actions.GlobalBuildAction;
-import org.eclipse.ui.dialogs.ListDialog;
-
-import java.lang.reflect.InvocationTargetException;
-import java.util.Arrays;
 
 /**
  * Helper to save dirty editors prior to starting a refactoring.
- * 
- * @see PreferenceConstants#REFACTOR_SAVE_ALL_EDITORS
- * 
- * @noextend This class is not intended to be subclassed by clients.
  */
 public class RefactoringSaveHelper {
 
-  private boolean fFilesSaved;
+  private boolean filesSaved;
   private final int fSaveMode;
 
   /**
-   * Save mode to save all dirty editors (always ask).
-   */
-  public static final int SAVE_ALL_ALWAYS_ASK = 1;
-
-  /**
    * Save mode to save all dirty editors.
    */
   public static final int SAVE_ALL = 2;
@@ -60,118 +31,40 @@ public class RefactoringSaveHelper {
    */
   public static final int SAVE_NOTHING = 3;
 
-  /**
-   * Save mode to save all editors that are known to cause trouble for Java refactorings, e.g.
-   * editors on compilation units that are not in working copy mode.
-   */
-  public static final int SAVE_REFACTORING = 4;
-
-  /**
-   * Creates a refactoring save helper with the given save mode.
-   * 
-   * @param saveMode one of the SAVE_* constants
-   */
   public RefactoringSaveHelper(int saveMode) {
-    Assert.isLegal(saveMode == SAVE_ALL_ALWAYS_ASK
-        || saveMode == SAVE_ALL
-        || saveMode == SAVE_NOTHING
-        || saveMode == SAVE_REFACTORING);
+    Assert.isLegal(saveMode == SAVE_ALL || saveMode == SAVE_NOTHING);
     fSaveMode = saveMode;
   }
 
   /**
-   * Returns whether this save helper did actually save any files.
-   * 
-   * @return <code>true</code> iff files have been saved
-   */
-  public boolean didSaveFiles() {
-    return fFilesSaved;
-  }
-
-  /**
-   * Saves all editors. Depending on the {@link PreferenceConstants#REFACTOR_SAVE_ALL_EDITORS}
-   * preference, the user is asked to save affected dirty editors.
+   * Saves all editors.
    * 
-   * @param shell the parent shell for the confirmation dialog
    * @return <code>true</code> if save was successful and refactoring can proceed; false if the
    *         refactoring must be cancelled
    */
   public boolean saveEditors(Shell shell) {
-    final IEditorPart[] dirtyEditors;
-    switch (fSaveMode) {
-      case SAVE_ALL_ALWAYS_ASK:
-      case SAVE_ALL:
-        dirtyEditors = EditorUtility.getDirtyEditors();
-        break;
-
-      case SAVE_REFACTORING:
-        dirtyEditors = EditorUtility.getDirtyEditorsToSave(false);
-        break;
-
-      case SAVE_NOTHING:
-        return true;
-
-      default:
-        throw new IllegalStateException(Integer.toString(fSaveMode));
+    // May be no save required.
+    if (fSaveMode == SAVE_NOTHING) {
+      return true;
     }
+    // Prepare dirty editors.
+    IEditorPart[] dirtyEditors = EditorUtility.getDirtyEditors();
     if (dirtyEditors.length == 0) {
       return true;
     }
-    if (!askSaveAllDirtyEditors(shell, dirtyEditors)) {
-      return false;
-    }
     try {
-      // Save isn't cancelable.
       boolean autoBuild = CoreUtility.setAutoBuilding(false);
       try {
-        if (fSaveMode == SAVE_ALL_ALWAYS_ASK
-            || fSaveMode == SAVE_ALL
-            || RefactoringSavePreferences.getSaveAllEditors()) {
-          if (!DartToolsPlugin.getActiveWorkbenchWindow().getWorkbench().saveAllEditors(false)) {
-            return false;
-          }
-        } else {
-          IRunnableWithProgress runnable = new IRunnableWithProgress() {
-            @Override
-            public void run(IProgressMonitor pm) throws InterruptedException {
-              int count = dirtyEditors.length;
-              pm.beginTask("", count); //$NON-NLS-1$
-              for (int i = 0; i < count; i++) {
-                IEditorPart editor = dirtyEditors[i];
-                editor.doSave(new SubProgressMonitor(pm, 1));
-                if (pm.isCanceled()) {
-                  throw new InterruptedException();
-                }
-              }
-              pm.done();
-            }
-          };
-          try {
-            PlatformUI.getWorkbench().getProgressService().runInUI(
-                DartToolsPlugin.getActiveWorkbenchWindow(),
-                runnable,
-                null);
-          } catch (InterruptedException e) {
-            return false;
-          } catch (InvocationTargetException e) {
-            ExceptionHandler.handle(
-                e,
-                shell,
-                RefactoringMessages.RefactoringStarter_saving,
-                RefactoringMessages.RefactoringStarter_unexpected_exception);
-            return false;
-          }
+        if (!DartToolsPlugin.getActiveWorkbenchWindow().getWorkbench().saveAllEditors(false)) {
+          return false;
         }
-        fFilesSaved = true;
+        filesSaved = true;
       } finally {
         CoreUtility.setAutoBuilding(autoBuild);
       }
       return true;
     } catch (CoreException e) {
-      ExceptionHandler.handle(
-          e,
-          shell,
-          RefactoringMessages.RefactoringStarter_saving,
+      ExceptionHandler.handle(e, shell, RefactoringMessages.RefactoringStarter_saving,
           RefactoringMessages.RefactoringStarter_unexpected_exception);
       return false;
     }
@@ -181,59 +74,9 @@ public class RefactoringSaveHelper {
    * Triggers an incremental build if this save helper did save files before.
    */
   public void triggerIncrementalBuild() {
-    if (fFilesSaved && ResourcesPlugin.getWorkspace().getDescription().isAutoBuilding()) {
+    if (filesSaved && ResourcesPlugin.getWorkspace().getDescription().isAutoBuilding()) {
       new GlobalBuildAction(DartToolsPlugin.getActiveWorkbenchWindow(),
           IncrementalProjectBuilder.INCREMENTAL_BUILD).run();
     }
   }
-
-  private boolean askSaveAllDirtyEditors(Shell shell, IEditorPart[] dirtyEditors) {
-    final boolean canSaveAutomatically = fSaveMode != SAVE_ALL_ALWAYS_ASK;
-    if (canSaveAutomatically && RefactoringSavePreferences.getSaveAllEditors()) {
-      return true;
-    }
-    ListDialog dialog = new ListDialog(shell) {
-      {
-        setShellStyle(getShellStyle() | SWT.APPLICATION_MODAL);
-      }
-
-      @Override
-      protected Control createDialogArea(Composite parent) {
-        Composite result = (Composite) super.createDialogArea(parent);
-        if (canSaveAutomatically) {
-          final Button check = new Button(result, SWT.CHECK);
-          check.setText(RefactoringMessages.RefactoringStarter_always_save);
-          check.setSelection(RefactoringSavePreferences.getSaveAllEditors());
-          check.addSelectionListener(new SelectionAdapter() {
-            @Override
-            public void widgetSelected(SelectionEvent e) {
-              RefactoringSavePreferences.setSaveAllEditors(check.getSelection());
-            }
-          });
-          applyDialogFont(result);
-        }
-        return result;
-      }
-    };
-    dialog.setTitle(RefactoringMessages.RefactoringStarter_save_all_resources);
-    dialog.setLabelProvider(createDialogLabelProvider());
-    dialog.setMessage(RefactoringMessages.RefactoringStarter_must_save);
-    dialog.setContentProvider(new ArrayContentProvider());
-    dialog.setInput(Arrays.asList(dirtyEditors));
-    return dialog.open() == Window.OK;
-  }
-
-  private ILabelProvider createDialogLabelProvider() {
-    return new LabelProvider() {
-      @Override
-      public Image getImage(Object element) {
-        return ((IEditorPart) element).getTitleImage();
-      }
-
-      @Override
-      public String getText(Object element) {
-        return ((IEditorPart) element).getTitle();
-      }
-    };
-  }
 }