com.nokia.s60tools.remotecontrol.ui.dialogs.RenameDialog.java Source code

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Here is the source code for com.nokia.s60tools.remotecontrol.ui.dialogs.RenameDialog.java

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/

package com.nokia.s60tools.remotecontrol.ui.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
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.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.nokia.s60tools.remotecontrol.resources.Messages;

/**
 * Dialog for renaming file
 */
public class RenameDialog extends Dialog implements ModifyListener {

    /**
     * Name
     */
    private String name;

    /**
     * File name text field
     */
    private Text nameField = null;

    /**
     * Flag for keeping track if original name is possible return value.
     */
    private final boolean allowOriginalName;

    /**
     * Name for dialog.
     */
    private final String dialogName;

    /**
     * Constructor
     * @param parentShell Shell
     * @param name Current name of the file
     * @param allowOriginalName True if it is possible to return original name. False otherwise.
     */
    public RenameDialog(Shell parentShell, String fileName, boolean allowOriginalName, String dialogName) {
        super(parentShell);
        this.name = fileName;
        this.allowOriginalName = allowOriginalName;
        this.dialogName = dialogName;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
     */
    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText(dialogName);
    }

    /* (non-Javadoc)
      * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
      */
    protected void createButtonsForButtonBar(Composite parent) {
        GridLayout gdl = new GridLayout(1, false);
        GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_CENTER);
        parent.setLayout(gdl);
        parent.setLayoutData(gd);

        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);

        if (!allowOriginalName) {
            // Not allowed to return same file name. User needs to modify name before enabling OK button.
            getButton(IDialogConstants.OK_ID).setEnabled(false);
        }
    }

    /* (non-Javadoc)
    * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
    */
    protected Control createDialogArea(Composite parent) {
        Composite dialogAreaComposite = (Composite) super.createDialogArea(parent);

        //
        //Adding custom controls
        //
        final int cols = 1;
        GridLayout gl = new GridLayout(cols, false);
        GridData gd = new GridData(GridData.FILL_BOTH);

        dialogAreaComposite.setLayout(gl);
        dialogAreaComposite.setLayoutData(gd);

        Label label = new Label(dialogAreaComposite, SWT.NONE);
        label.setText(Messages.getString("RenameDialog.label")); //$NON-NLS-1$
        nameField = new Text(dialogAreaComposite, SWT.LEFT | SWT.SINGLE | SWT.BORDER);
        nameField.setLayoutData(gd);
        nameField.setText(name);

        nameField.addModifyListener(this);

        return dialogAreaComposite;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
     */
    protected void buttonPressed(int buttonId) {
        if (buttonId == IDialogConstants.OK_ID) {
            // Save file name that user entered
            name = nameField.getText();
        }
        super.buttonPressed(buttonId);
    }

    /**
     * Get file name
     * @return File name that user entered. If user canceled dialog
     *          the original file name is returned.
     */
    public String getFileName() {
        return name;
    }

    /* (non-Javadoc)
     * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
     */
    public void modifyText(ModifyEvent e) {
        if (!allowOriginalName && nameField.getText().equalsIgnoreCase(name)) {
            // Not allowed to return same file name.
            getButton(IDialogConstants.OK_ID).setEnabled(false);
        } else {
            getButton(IDialogConstants.OK_ID).setEnabled(true);
        }

        // Empty names are not allowed.
        if (nameField.getText().equals("")) { //$NON-NLS-1$
            getButton(IDialogConstants.OK_ID).setEnabled(false);
        }
    }

}