src/content/platform/samples/WordEditor/WordEditorCore/src/de/word/editor/core/WordEditorTopComponent.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package de.word.editor.core;

import de.word.editor.api.WordEditorInterface;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Collection;
import javax.swing.DefaultComboBoxModel;
import org.openide.util.NbBundle;
import org.openide.windows.TopComponent;
import org.netbeans.api.settings.ConvertAsProperties;
import org.openide.awt.ActionID;
import org.openide.awt.ActionReference;
import org.openide.util.Lookup;

/**
 * Top component which displays something.
 */
@ConvertAsProperties(dtd = "-//de.word.editor.core//WordEditor//EN",
autostore = false)
@TopComponent.Description(preferredID = "WordEditorTopComponent",
//iconBase="SET/PATH/TO/ICON/HERE", 
persistenceType = TopComponent.PERSISTENCE_ALWAYS)
@TopComponent.Registration(mode = "editor", openAtStartup = true)
@ActionID(category = "Window", id = "de.word.editor.core.WordEditorTopComponent")
@ActionReference(path = "Menu/Window" /*, position = 333 */)
@TopComponent.OpenActionRegistration(displayName = "#CTL_WordEditorAction",
preferredID = "WordEditorTopComponent")
public final class WordEditorTopComponent extends TopComponent {

    public WordEditorTopComponent() {
        initComponents();
        setName(NbBundle.getMessage(WordEditorTopComponent.class, "CTL_WordEditorTopComponent"));
        setToolTipText(NbBundle.getMessage(WordEditorTopComponent.class, "HINT_WordEditorTopComponent"));

DefaultComboBoxModel dcbm = new DefaultComboBoxModel();
   
Collection<? extends WordEditorInterface> allWESvcs = 
        Lookup.getDefault().lookupAll(WordEditorInterface.class);

        for (WordEditorInterface wordEditorInterface : allWESvcs) {
            dcbm.addElement(wordEditorInterface);
        }

jComboBox1.setModel(dcbm);

jButton1.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
 String enteredText = jTextField1.getText();               
 WordEditorInterface selectedFilter = (WordEditorInterface) jComboBox1.getSelectedItem();
 String processedText = selectedFilter.process(enteredText);
 jTextArea1.setText(processedText);
            }
        });
        
        
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jTextField1 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jComboBox1 = new javax.swing.JComboBox();

        org.openide.awt.Mnemonics.setLocalizedText(jLabel1, org.openide.util.NbBundle.getMessage(WordEditorTopComponent.class, "WordEditorTopComponent.jLabel1.text")); // NOI18N

        jTextArea1.setColumns(20);
        jTextArea1.setRows(5);
        jScrollPane1.setViewportView(jTextArea1);

        jTextField1.setText(org.openide.util.NbBundle.getMessage(WordEditorTopComponent.class, "WordEditorTopComponent.jTextField1.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(jButton1, org.openide.util.NbBundle.getMessage(WordEditorTopComponent.class, "WordEditorTopComponent.jButton1.text")); // NOI18N

        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 429, Short.MAX_VALUE)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 332, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton1))
                    .addComponent(jComboBox1, 0, 429, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton1))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 227, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
    }// </editor-fold>//GEN-END:initComponents

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextField jTextField1;
    // End of variables declaration//GEN-END:variables
    @Override
    public void componentOpened() {
        // TODO add custom code on component opening
    }

    @Override
    public void componentClosed() {
        // TODO add custom code on component closing
    }

    void writeProperties(java.util.Properties p) {
        // better to version settings since initial version as advocated at
        // http://wiki.apidesign.org/wiki/PropertyFiles
        p.setProperty("version", "1.0");
        // TODO store your settings
    }

    void readProperties(java.util.Properties p) {
        String version = p.getProperty("version");
        // TODO read your settings according to their version
    }
}