com.agynamix.platform.frontend.preferences.NetworkAddressListFieldEditor.java Source code

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Here is the source code for com.agynamix.platform.frontend.preferences.NetworkAddressListFieldEditor.java

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package com.agynamix.platform.frontend.preferences;

/*******************************************************************************
 * Copyright (c) 2000, 2006 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.ListEditor;
import org.eclipse.swt.widgets.Composite;

import com.agynamix.platform.frontend.dialogs.InputNetworkAddressDialog;

/**
 * A field editor to edit directory paths.
 */
public class NetworkAddressListFieldEditor extends ListEditor {

    /**
     * Creates a new path field editor
     */
    protected NetworkAddressListFieldEditor() {
    }

    /**
     * Creates a path field editor.
     * 
     * @param name
     *          the name of the preference this field editor works on
     * @param labelText
     *          the label text of the field editor
     * @param dirChooserLabelText
     *          the label text displayed for the directory chooser
     * @param parent
     *          the parent of the field editor's control
     */
    public NetworkAddressListFieldEditor(String name, String labelText, String dirChooserLabelText,
            Composite parent) {
        init(name, labelText);
        createControl(parent);
    }

    /*
     * (non-Javadoc) Method declared on ListEditor. Creates a single string from the given array by separating each string
     * with the appropriate OS-specific path separator.
     */
    protected String createList(String[] items) {
        StringBuilder networkAddresses = new StringBuilder("");//$NON-NLS-1$

        for (String s : items) {
            networkAddresses.append(s);
            networkAddresses.append(",");
        }
        return networkAddresses.toString();
    }

    /*
     * (non-Javadoc) Method declared on ListEditor. Creates a new path element by means of a directory dialog.
     */
    protected String getNewInputObject() {
        InputNetworkAddressDialog addrDialog = new InputNetworkAddressDialog(getShell());
        String address = null;
        if (addrDialog.open() == IDialogConstants.OK_ID) {
            address = addrDialog.getText();
            if (address != null) {
                address = address.trim();
                if (address.length() == 0) {
                    return null;
                }
            }
        }
        return address;
    }

    /*
     * (non-Javadoc) Method declared on ListEditor.
     */
    protected String[] parseString(String stringList) {
        StringTokenizer st = new StringTokenizer(stringList, ",");//$NON-NLS-1$
        List<String> v = new ArrayList<String>();
        while (st.hasMoreTokens()) {
            v.add(st.nextToken());
        }
        return (String[]) v.toArray(new String[v.size()]);
    }
}