GemListPanel.java

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 * Portions Copyrighted 2010 Sun Microsystems, Inc.
 */

/*
 * GemListPanel.java
 *
 * Created on Jan 14, 2010, 10:38:54 AM
 */

package org.netbeans.modules.ruby.platform.gems;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Panel for displaying the given gems.
 *
 * @author Erno Mononen
 */
public class GemListPanel extends javax.swing.JPanel {

    private final GemListModel gemListModel;
    /** Creates new form GemListPanel */
    public GemListPanel(List<Gem> gems) {
        initComponents();
        gemListModel = new GemListModel(gems, "");
        gemList.setModel(gemListModel);
        gemList.setCellRenderer(new GemUISupport.GemListRenderer());
    }

    public List<Gem> getSelectedGems() {
        Object[] selected = gemList.getSelectedValues();
        if (selected.length == 0) {
            return Collections.emptyList();
        }
        List<Gem> result = new ArrayList<Gem>(selected.length);
        for (Object each : selected) {
            result.add((Gem) each);
        }
        return result;
    }

    /** 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        gemScrollPane = new javax.swing.JScrollPane();
        gemList = new javax.swing.JList();

        gemList.setModel(new javax.swing.AbstractListModel() {
            String[] strings = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5" };
            public int getSize() { return strings.length; }
            public Object getElementAt(int i) { return strings[i]; }
        });
        gemScrollPane.setViewportView(gemList);

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(gemScrollPane, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 376, Short.MAX_VALUE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(gemScrollPane, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 276, Short.MAX_VALUE)
                .addContainerGap())
        );
    }// </editor-fold>//GEN-END:initComponents


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JList gemList;
    private javax.swing.JScrollPane gemScrollPane;
    // End of variables declaration//GEN-END:variables

}