org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/ConvertAnonymousToNestedInputPage.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.ui.refactoring;

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.Label;
import org.eclipse.swt.widgets.Text;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.ui.help.WorkbenchHelp;

import org.eclipse.jdt.internal.corext.refactoring.code.ConvertAnonymousToNestedRefactoring;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;

class ConvertAnonymousToNestedInputPage extends UserInputWizardPage {

	private static final String DESCRIPTION = RefactoringMessages.getString("ConvertAnonymousToNestedInputPage.description"); //$NON-NLS-1$
	public static final String PAGE_NAME= "ConvertAnonymousToNestedInputPage";//$NON-NLS-1$
    
	public ConvertAnonymousToNestedInputPage() {
		super(PAGE_NAME, true);
		setDescription(DESCRIPTION);
	}

	public void createControl(Composite parent) {
		Composite result= new Composite(parent, SWT.NONE);
		setControl(result);
		GridLayout layout= new GridLayout();
		layout.numColumns= 2;
		layout.verticalSpacing= 8;
		result.setLayout(layout);
		
		addVisibilityControl(result);
		Text textField= addFieldNameField(result);
		addDeclareFinalCheckbox(result);
		
		textField.setFocus();
		setPageComplete(false);
		Dialog.applyDialogFont(result);
		WorkbenchHelp.setHelp(getControl(), IJavaHelpContextIds.CONVERT_ANONYMOUS_TO_NESTED_WIZARD_PAGE);		
	}

    private Text addFieldNameField(Composite result) {
        Label nameLabel= new Label(result, SWT.NONE);
        nameLabel.setText(RefactoringMessages.getString("ConvertAnonymousToNestedInputPage.class_name")); //$NON-NLS-1$
        nameLabel.setLayoutData(new GridData());
        
		final Text classNameField= new Text(result, SWT.BORDER | SWT.SINGLE);
        classNameField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        classNameField.addModifyListener(new ModifyListener(){
        	public void modifyText(ModifyEvent e) {
        		ConvertAnonymousToNestedInputPage.this.getConvertRefactoring().setClassName(classNameField.getText());
        		ConvertAnonymousToNestedInputPage.this.updateStatus();
            }
        });
        return classNameField;
    }
	
	private void updateStatus() {
    	setPageComplete(getConvertRefactoring().validateInput());
	}
	
	private void addVisibilityControl(Composite result) {
        int[] availableVisibilities= getConvertRefactoring().getAvailableVisibilities();
        int currectVisibility= getConvertRefactoring().getVisibility();
        IVisibilityChangeListener visibilityChangeListener= new IVisibilityChangeListener(){
        	public void visibilityChanged(int newVisibility) {
        		getConvertRefactoring().setVisibility(newVisibility);
            }
        };
        Composite visibilityComposite= VisibilityControlUtil.createVisibilityControl(result, visibilityChangeListener, availableVisibilities, currectVisibility);
        GridData gd= new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan= 2;
        visibilityComposite.setLayoutData(gd);
    }
	
	 public void addDeclareFinalCheckbox(Composite result) {
        GridData gd;
        final Button declareFinalCheckbox= new Button(result, SWT.CHECK);
        declareFinalCheckbox.setEnabled(getConvertRefactoring().canEnableSettingFinal());
        declareFinalCheckbox.setSelection(getConvertRefactoring().getDeclareFinal());
        declareFinalCheckbox.setText(RefactoringMessages.getString("ConvertAnonymousToNestedInputPage.declare_final")); //$NON-NLS-1$
        gd= new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan= 2;
        declareFinalCheckbox.setLayoutData(gd);
        declareFinalCheckbox.addSelectionListener(new SelectionAdapter(){
        	public void widgetSelected(SelectionEvent e) {
        		getConvertRefactoring().setDeclareFinal(declareFinalCheckbox.getSelection());
            }
        });
    }
	
	private ConvertAnonymousToNestedRefactoring getConvertRefactoring(){
		return (ConvertAnonymousToNestedRefactoring)getRefactoring();
	}
}