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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.eclipse.org/org/documents/epl-v10.php
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.ide.eclipse.adt.internal.editors.layout.refactoring;
     17 
     18 import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate;
     19 
     20 import org.eclipse.ltk.core.refactoring.Refactoring;
     21 import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
     22 import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
     23 import org.eclipse.swt.events.ModifyEvent;
     24 import org.eclipse.swt.events.ModifyListener;
     25 import org.eclipse.swt.events.SelectionAdapter;
     26 import org.eclipse.swt.events.SelectionEvent;
     27 
     28 public abstract class VisualRefactoringWizard extends RefactoringWizard {
     29     protected final LayoutEditorDelegate mDelegate;
     30 
     31     public VisualRefactoringWizard(Refactoring refactoring, LayoutEditorDelegate editor) {
     32         super(refactoring, DIALOG_BASED_USER_INTERFACE | PREVIEW_EXPAND_FIRST_NODE);
     33         mDelegate = editor;
     34     }
     35 
     36     @Override
     37     public boolean performFinish() {
     38         mDelegate.getEditor().setIgnoreXmlUpdate(true);
     39         try {
     40             return super.performFinish();
     41         } finally {
     42             mDelegate.getEditor().setIgnoreXmlUpdate(false);
     43             mDelegate.refreshXmlModel();
     44         }
     45     }
     46 
     47     protected abstract static class VisualRefactoringInputPage extends UserInputWizardPage {
     48         public VisualRefactoringInputPage(String name) {
     49             super(name);
     50         }
     51 
     52         /**
     53          * Listener which can be attached on any widget in the wizard page to force
     54          * modifications of the associated widget to validate the page again
     55          */
     56         protected ModifyListener mModifyValidateListener = new ModifyListener() {
     57             @Override
     58             public void modifyText(ModifyEvent e) {
     59                 validatePage();
     60             }
     61         };
     62 
     63         /**
     64          * Listener which can be attached on any widget in the wizard page to force
     65          * selection changes of the associated widget to validate the page again
     66          */
     67         protected SelectionAdapter mSelectionValidateListener = new SelectionAdapter() {
     68             @Override
     69             public void widgetSelected(SelectionEvent e) {
     70                 validatePage();
     71             }
     72         };
     73 
     74         protected abstract boolean validatePage();
     75     }
     76 }
     77