Integrate the EXTRACT_METHOD refactoring into Editor.

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

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ExtractMethodInputPage.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ExtractMethodInputPage.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ExtractMethodInputPage.java
deleted file mode 100644
index 2c9fb4aa4e65ea584142a3ea58229fe7e5cff651..0000000000000000000000000000000000000000
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ExtractMethodInputPage.java
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
- * Copyright (c) 2012, the Dart project authors.
- * 
- * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
- * 
- * 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.google.dart.tools.ui.internal.refactoring;
-
-import com.google.dart.engine.services.refactoring.Parameter;
-import com.google.dart.tools.internal.corext.refactoring.util.Messages;
-import com.google.dart.tools.ui.DartPluginImages;
-import com.google.dart.tools.ui.DartToolsPlugin;
-import com.google.dart.tools.ui.PreferenceConstants;
-import com.google.dart.tools.ui.internal.dialogs.TextFieldNavigationHandler;
-import com.google.dart.tools.ui.internal.text.DartHelpContextIds;
-import com.google.dart.tools.ui.internal.text.editor.DartSourceViewer;
-import com.google.dart.tools.ui.internal.util.RowLayouter;
-import com.google.dart.tools.ui.text.DartSourceViewerConfiguration;
-
-import org.eclipse.jface.dialogs.Dialog;
-import org.eclipse.jface.layout.PixelConverter;
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.resource.JFaceResources;
-import org.eclipse.jface.text.Document;
-import org.eclipse.ltk.core.refactoring.RefactoringStatus;
-import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.ModifyEvent;
-import org.eclipse.swt.events.ModifyListener;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Text;
-import org.eclipse.ui.PlatformUI;
-
-/**
- * @coverage dart.editor.ui.refactoring.ui
- */
-public class ExtractMethodInputPage extends UserInputWizardPage {
-
-  public static final String PAGE_NAME = "ExtractMethodInputPage";//$NON-NLS-1$
-
-  private ServiceExtractMethodRefactoring fRefactoring;
-  private Text fTextField;
-  private boolean fFirstTime;
-  private DartSourceViewer fSignaturePreview;
-  private Document fSignaturePreviewDocument;
-//  private IDialogSettings fSettings;
-
-  private static final String DESCRIPTION = RefactoringMessages.ExtractMethodInputPage_description;
-
-//  private static final String GENERATE_JAVADOC = "GenerateJavadoc"; //$NON-NLS-1$
-
-  public ExtractMethodInputPage() {
-    super(PAGE_NAME);
-    setImageDescriptor(DartPluginImages.DESC_WIZBAN_REFACTOR_CU);
-    setDescription(DESCRIPTION);
-    fFirstTime = true;
-    fSignaturePreviewDocument = new Document();
-  }
-
-  @Override
-  public void createControl(Composite parent) {
-    fRefactoring = (ServiceExtractMethodRefactoring) getRefactoring();
-    loadSettings();
-
-    Composite result = new Composite(parent, SWT.NONE);
-    setControl(result);
-    GridLayout layout = new GridLayout();
-    layout.numColumns = 2;
-    result.setLayout(layout);
-    RowLayouter layouter = new RowLayouter(2);
-    GridData gd = null;
-
-    initializeDialogUnits(result);
-
-    Label label = new Label(result, SWT.NONE);
-    label.setText(getLabelText());
-
-    fTextField = createTextInputField(result, SWT.BORDER);
-    fTextField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
-
-    layouter.perform(label, fTextField, 1);
-
-    if (!fRefactoring.getParameters().isEmpty()) {
-      // TODO(scheglov) pass some StubTypeContext
-      ChangeParametersControl cp = new ChangeParametersControl(
-          result,
-          SWT.NONE,
-          RefactoringMessages.ExtractMethodInputPage_parameters,
-          new IParameterListChangeListener.Empty() {
-            @Override
-            public void parameterChanged(Parameter parameter) {
-              parameterModified();
-            }
-
-            @Override
-            public void parameterListChanged() {
-              parameterModified();
-            }
-          },
-          ChangeParametersControl.Mode.EXTRACT_METHOD);
-      gd = new GridData(GridData.FILL_BOTH);
-      gd.horizontalSpan = 2;
-      cp.setLayoutData(gd);
-      cp.setInput(fRefactoring.getParameters());
-    }
-
-//    checkBox = new Button(result, SWT.CHECK);
-//    checkBox.setText(RefactoringMessages.ExtractMethodInputPage_generateJavadocComment);
-//    boolean generate = computeGenerateJavadoc();
-//    setGenerateJavadoc(generate);
-//    checkBox.setSelection(generate);
-//    checkBox.addSelectionListener(new SelectionAdapter() {
-//      @Override
-//      public void widgetSelected(SelectionEvent e) {
-//        setGenerateJavadoc(((Button) e.widget).getSelection());
-//      }
-//    });
-//    layouter.perform(checkBox);
-
-    // occurrences
-    {
-      int occurrences = fRefactoring.getNumberOfOccurrences();
-      Button checkBox = new Button(result, SWT.CHECK);
-      if (occurrences == 1) {
-        checkBox.setText(RefactoringMessages.ExtractMethodInputPage_duplicates_none);
-      } else if (occurrences == 2) {
-        checkBox.setText(RefactoringMessages.ExtractMethodInputPage_duplicates_single);
-      } else {
-        checkBox.setText(Messages.format(
-            RefactoringMessages.ExtractMethodInputPage_duplicates_multi,
-            occurrences - 1));
-      }
-      checkBox.setSelection(true);
-      checkBox.setEnabled(occurrences > 1);
-      checkBox.addSelectionListener(new SelectionAdapter() {
-        @Override
-        public void widgetSelected(SelectionEvent e) {
-          fRefactoring.setReplaceAllOccurrences(((Button) e.widget).getSelection());
-        }
-      });
-      layouter.perform(checkBox);
-    }
-
-    // getter
-    {
-      boolean canExtractGetter = fRefactoring.canExtractGetter();
-      Button checkBox = new Button(result, SWT.CHECK);
-      checkBox.setText(RefactoringMessages.ExtractMethodInputPage_getter);
-      checkBox.setEnabled(canExtractGetter);
-      if (canExtractGetter) {
-        checkBox.setSelection(fRefactoring.getExtractGetter());
-      }
-      checkBox.addSelectionListener(new SelectionAdapter() {
-        @Override
-        public void widgetSelected(SelectionEvent e) {
-          fRefactoring.setExtractGetter(((Button) e.widget).getSelection());
-        }
-      });
-      layouter.perform(checkBox);
-    }
-
-    label = new Label(result, SWT.SEPARATOR | SWT.HORIZONTAL);
-    label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
-    layouter.perform(label);
-
-    createSignaturePreview(result, layouter);
-
-    Dialog.applyDialogFont(result);
-    PlatformUI.getWorkbench().getHelpSystem().setHelp(
-        getControl(),
-        DartHelpContextIds.EXTRACT_METHOD_WIZARD_PAGE);
-  }
-
-  @Override
-  public void setVisible(boolean visible) {
-    if (visible) {
-      if (fFirstTime) {
-        fFirstTime = false;
-        setPageComplete(false);
-        fRefactoring.setMethodName("methodName");
-        updatePreview();
-        fTextField.setFocus();
-      } else {
-        setPageComplete(validatePage(true));
-      }
-    }
-    super.setVisible(visible);
-  }
-
-//  private boolean computeGenerateJavadoc() {
-//    boolean result = fRefactoring.getGenerateJavadoc();
-//    if (result) {
-//      return result;
-//    }
-//    return fSettings.getBoolean(GENERATE_JAVADOC);
-//  }
-
-  private void createSignaturePreview(Composite composite, RowLayouter layouter) {
-    Label previewLabel = new Label(composite, SWT.NONE);
-    previewLabel.setText(RefactoringMessages.ExtractMethodInputPage_signature_preview);
-    layouter.perform(previewLabel);
-
-    IPreferenceStore store = DartToolsPlugin.getDefault().getCombinedPreferenceStore();
-    fSignaturePreview = new DartSourceViewer(composite, null, null, false, SWT.READ_ONLY
-        | SWT.V_SCROLL | SWT.WRAP /*| SWT.BORDER*/, store);
-    fSignaturePreview.configure(new DartSourceViewerConfiguration(
-        DartToolsPlugin.getDefault().getDartTextTools().getColorManager(),
-        store,
-        null,
-        null));
-    fSignaturePreview.getTextWidget().setFont(
-        JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT));
-    fSignaturePreview.adaptBackgroundColor(composite);
-    fSignaturePreview.setDocument(fSignaturePreviewDocument);
-    fSignaturePreview.setEditable(false);
-
-    Control signaturePreviewControl = fSignaturePreview.getControl();
-    PixelConverter pixelConverter = new PixelConverter(signaturePreviewControl);
-    GridData gdata = new GridData(GridData.FILL_BOTH);
-    gdata.widthHint = pixelConverter.convertWidthInCharsToPixels(50);
-    gdata.heightHint = pixelConverter.convertHeightInCharsToPixels(2);
-    signaturePreviewControl.setLayoutData(gdata);
-    layouter.perform(signaturePreviewControl);
-  }
-
-  private Text createTextInputField(Composite parent, int style) {
-    Text result = new Text(parent, style);
-    result.addModifyListener(new ModifyListener() {
-      @Override
-      public void modifyText(ModifyEvent e) {
-        textModified(getText());
-      }
-    });
-    TextFieldNavigationHandler.install(result);
-    return result;
-  }
-
-  private String getLabelText() {
-    return RefactoringMessages.ExtractMethodInputPage_label_text;
-  }
-
-  private String getText() {
-    if (fTextField == null) {
-      return null;
-    }
-    return fTextField.getText();
-  }
-
-  private void loadSettings() {
-    // TODO(scheglov)
-//    fSettings = getDialogSettings().getSection(ExtractMethodWizard.DIALOG_SETTING_SECTION);
-//    if (fSettings == null) {
-//      fSettings = getDialogSettings().addNewSection(ExtractMethodWizard.DIALOG_SETTING_SECTION);
-//      fSettings.put(
-//          GENERATE_JAVADOC,
-//          JavaPreferencesSettings.getCodeGenerationSettings(fRefactoring.getCompilationUnit().getJavaProject()).createComments);
-//    }
-  }
-
-//  private void setGenerateJavadoc(boolean value) {
-//    fSettings.put(GENERATE_JAVADOC, value);
-//    fRefactoring.setGenerateJavadoc(value);
-//  }
-
-  private void parameterModified() {
-    updatePreview();
-    setPageComplete(validatePage(false));
-  }
-
-  private void textModified(String text) {
-    fRefactoring.setMethodName(text);
-    RefactoringStatus status = validatePage(true);
-    if (!status.hasFatalError()) {
-      updatePreview();
-    } else {
-      fSignaturePreviewDocument.set(""); //$NON-NLS-1$
-    }
-    setPageComplete(status);
-  }
-
-  private void updatePreview() {
-    if (fSignaturePreview == null) {
-      return;
-    }
-
-    int top = fSignaturePreview.getTextWidget().getTopPixel();
-    String signature;
-    try {
-      signature = fRefactoring.getSignature();
-    } catch (IllegalArgumentException e) {
-      signature = ""; //$NON-NLS-1$
-    }
-    fSignaturePreviewDocument.set(signature);
-    fSignaturePreview.getTextWidget().setTopPixel(top);
-  }
-
-  private RefactoringStatus validateMethodName() {
-    RefactoringStatus result = new RefactoringStatus();
-    String text = getText();
-    if ("".equals(text)) { //$NON-NLS-1$
-      result.addFatalError(RefactoringMessages.ExtractMethodInputPage_validation_emptyMethodName);
-      return result;
-    }
-    result.merge(fRefactoring.checkMethodName());
-    return result;
-  }
-
-  private RefactoringStatus validatePage(boolean text) {
-    RefactoringStatus result = new RefactoringStatus();
-    if (text) {
-      result.merge(validateMethodName());
-      result.merge(validateParameters());
-    } else {
-      result.merge(validateParameters());
-      result.merge(validateMethodName());
-    }
-    return result;
-  }
-
-  private RefactoringStatus validateParameters() {
-    RefactoringStatus result = new RefactoringStatus();
-    for (Parameter parameter : fRefactoring.getParameters()) {
-      if ("".equals(parameter.getNewName())) {
-        result.addFatalError(RefactoringMessages.ExtractMethodInputPage_validation_emptyParameterName);
-        return result;
-      }
-      // TODO(scheglov) test types
-//      result.merge(TypeContextChecker.checkParameterTypeSyntax(
-//          parameter.getNewTypeName(),
-//          fRefactoring.getUnit()));
-    }
-    result.merge(fRefactoring.checkParameterNames());
-    return result;
-  }
-}