org.eclipse.photran.ui.vpg/src/org/eclipse/photran/internal/ui/refactoring/CommonVarNamesInputPage.java

/*******************************************************************************
 * Copyright (c) 2009 University of Illinois at Urbana-Champaign and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    UIUC - Initial API and implementation
 *******************************************************************************/
package org.eclipse.photran.internal.ui.refactoring;

import java.util.ArrayList;

import org.eclipse.photran.internal.core.refactoring.CommonVarNamesRefactoring;
import org.eclipse.rephraserengine.ui.refactoring.CustomUserInputPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

/**
 * User input page for the wizard for a refactoring to make COMMON block variable names consistent
 * among main programs, modules, subroutines, etc.
 *
 * @author Kurt Hendle, Jeff Overbey
 */
public class CommonVarNamesInputPage extends CustomUserInputPage<CommonVarNamesRefactoring>
{
    protected ArrayList<Label> lblList = new ArrayList<Label>();
    protected ArrayList<Text> textList = new ArrayList<Text>();
    protected Label lbl;
    protected Text newNameField;

    protected ArrayList<String> oldNames;
    protected ArrayList<String> newNames;

    /* auto-generated method */
    @Override public void createControl(Composite parent)
    {
        oldNames = getRefactoring().getOldVarNames();
        newNames = getRefactoring().getNewVarNames();

        Composite top = new Composite(parent, SWT.NONE);
        initializeDialogUnits(top);
        setControl(top);

        top.setLayout(new GridLayout(2, true));
        Composite group = top;

        Label headerLeft = new Label(group, SWT.NONE);
        headerLeft.setText(Messages.CommonVarNamesInputPage_OriginalNameLabel);

        Label headerRight = new Label(group, SWT.NONE);
        headerRight.setText(Messages.CommonVarNamesInputPage_NewNameLabel);

        for(int i=0; i<getRefactoring().getNumCommonVars(); i++)
        {
            final int index = i;    //to allow use in listener

            lbl = new Label(group, SWT.NONE);
            lbl.setText(oldNames.get(i));
            lblList.add(lbl);

            newNameField = new Text(group, SWT.BORDER);
            newNameField.setText(newNames.get(i));
            newNameField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
            textList.add(newNameField);

            newNameField.addModifyListener(new ModifyListener()
            {
                public void modifyText(ModifyEvent e)
                {
                    getRefactoring().modifyNewName(index, textList.get(index).getText());
                }
            });
            //like in rename, call again to be sure
            getRefactoring().modifyNewName(index, textList.get(index).getText());
        }
        /*Label blank = new Label(top, SWT.NONE);
        blank.setText("");
        Label instruct = new Label(top, SWT.NONE);
        instruct.setText("Click OK to make COMMON block variable names consistent in this project. " +
            "\nTo see what changes will be made, click Preview." +
            "\n\nNOTE: This refactoring will not function correctly with Fortran implicit" +
            "typing and should only be used with an 'implicit none' statement and explicit" +
            "type declarations.");*/
    }
}