CustomizerSupport.java

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package org.netbeans.modules.ruby.merbproject.ui.customizer;

import java.util.HashMap;
import java.util.Map;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.util.NbBundle;

/**
 * Initial effort to get rid of class duplicity in ruby.project and
 * ruby.railsproject modules.
 */
public final class CustomizerSupport {

    private CustomizerSupport() {
        // forbid instances
    }
    
    /**
     * Asks user for a configuration name and puts it to the given config map.
     */
    public static String askForNewConfiguration(final Map<String, Map<String, String>> configs) {
        NotifyDescriptor.InputLine d = new NotifyDescriptor.InputLine(
                NbBundle.getMessage(CustomizerSupport.class, "CustomizerSupport.config.prompt"),
                NbBundle.getMessage(CustomizerSupport.class, "CustomizerSupport.config.title"));
        if (DialogDisplayer.getDefault().notify(d) != NotifyDescriptor.OK_OPTION) {
            return null;
        }
        String name = d.getInputText();
        if (name.trim().length() == 0) {
            DialogDisplayer.getDefault().notify(new NotifyDescriptor.Message(
                    NbBundle.getMessage(CustomizerSupport.class, "CustomizerSupport.config.blank"),
                    NotifyDescriptor.WARNING_MESSAGE));
            return null;
        }
        String config = name.replaceAll("[^a-zA-Z0-9_.-]", "_"); // NOI18N
        if (configs.get(config) != null) {
            DialogDisplayer.getDefault().notify(new NotifyDescriptor.Message(
                    NbBundle.getMessage(CustomizerSupport.class, "CustomizerSupport.config.duplicate", config),
                    NotifyDescriptor.WARNING_MESSAGE));
            return null;
        }
        Map<String, String> configMap = new HashMap<String, String>();
        if (!name.equals(config)) {
            configMap.put("$label", name); // NOI18N
        }
        configs.put(config, configMap);
        return config;
    }
    
}