Example usage for javax.swing JList getSelectedValue

Introduction

In this page you can find the example usage for javax.swing JList getSelectedValue.

Prototype

@BeanProperty(bound = false)
public E getSelectedValue() 

Source Link

Document

Returns the value for the smallest selected cell index; the selected value when only a single item is selected in the list.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String[] items = { "A", "B", "C", "D" };
    JList list = new JList(items);

    // Get the first selected item
    Object firstSel = list.getSelectedValue();

    // Get all selected items without using indices
    Object[] selected = list.getSelectedValues();
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setLayout(new FlowLayout());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    String[] selections = { "green", "red", "orange", "dark blue" };
    JList list = new JList(selections);
    list.setSelectedIndex(1);/*w  w  w . j a  va  2 s  .  c  o m*/
    System.out.println(list.getSelectedValue());
    frame.add(new JScrollPane(list));
    frame.pack();

    frame.setVisible(true);
}

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From source file:JListTest.java

public static void main(String[] args) {
    JFrame.setDefaultLookAndFeelDecorated(true);
    JFrame frame = new JFrame("JList Test");
    frame.setLayout(new FlowLayout());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    String[] selections = { "green", "red", "orange", "dark blue" };
    JList list = new JList(selections);
    list.setSelectedIndex(1);/* w w w .  j  a va2  s.c  o  m*/
    System.out.println(list.getSelectedValue());
    frame.add(new JScrollPane(list));
    frame.pack();

    frame.setVisible(true);
}

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From source file:GettingSettingSelectedItem.java

public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton jButton1 = new JButton("Button");

    String[] mystring = { "Java", "JBuilder", "JFC", "Swing" };
    final JList jList1 = new JList(mystring);
    jButton1.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(ActionEvent e) {
            Object contents = jList1.getSelectedValue();
            System.out.println(contents);
        }/* ww w  .  j ava 2s  .  c  o m*/
    });

    frame.add(jList1, "Center");
    frame.add(jButton1, "South");

    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String args[]) {
    JFrame f = new JFrame();
    f.setSize(new Dimension(300, 300));
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setLayout(new FlowLayout());
    JLabel label = new JLabel("Update");
    String[] data = { "one", "two", "three", "four" };
    JList<String> dataList = new JList<>(data);

    dataList.addListSelectionListener(new ListSelectionListener() {

        @Override// ww w . j  a va 2  s . co m
        public void valueChanged(ListSelectionEvent arg0) {
            if (!arg0.getValueIsAdjusting()) {
                label.setText(dataList.getSelectedValue().toString());
            }
        }
    });
    f.add(new JScrollPane(dataList));
    f.add(label);

    f.setVisible(true);
}

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From source file:Main.java

public static void main(final String args[]) {
    final String labels[] = { "A", "B", "C", "D", "E" };
    JFrame frame = new JFrame("Selecting JList");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final JList jlist = new JList(labels);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    frame.add(scrollPane1);//w ww . j a  va  2 s.  co  m

    ListSelectionListener listSelectionListener = new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent listSelectionEvent) {
            System.out.println(jlist.getSelectedValue());
        }
    };
    jlist.addListSelectionListener(listSelectionListener);

    frame.setSize(350, 200);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    String[] items = new String[] { "One", "Two", "Three", "Four" };
    JList<String> list = new JList<>(items);
    JFrame f = new JFrame();
    f.add(list, BorderLayout.CENTER);
    JButton btn = new JButton("Get selected");
    btn.addActionListener(new ActionListener() {
        @Override/*from   w  w w  . ja  v a2  s.com*/
        public void actionPerformed(ActionEvent e) {
            JOptionPane.showConfirmDialog(f, "You Selected : " + list.getSelectedValue(), "Display",
                    JOptionPane.PLAIN_MESSAGE);
        }
    });

    f.add(btn, BorderLayout.SOUTH);
    f.pack();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setLayout(new FlowLayout());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    String[] selections = { "green", "red", "orange", "dark blue" };
    JList list = new JList(selections) {
        // This method is called as the cursor moves within the list.
        public String getToolTipText(MouseEvent evt) {
            // Get item index
            int index = locationToIndex(evt.getPoint());

            // Get item
            Object item = getModel().getElementAt(index);

            // Return the tool tip text
            return "tool tip for " + item;
        }/*  www. j a  va2  s  .  com*/
    };
    list.setSelectedIndex(1);
    System.out.println(list.getSelectedValue());
    frame.add(new JScrollPane(list));
    frame.pack();

    frame.setVisible(true);
}

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From source file:com.googlecode.sarasvati.visual.jung.JungVisualizer.java

@SuppressWarnings("serial")
public static void main(String[] args) throws Exception {
    TestSetup.init();//from  ww w  .  j a  v a 2 s.  c o  m

    Session session = TestSetup.openSession();
    HibEngine engine = new HibEngine(session);

    JFrame frame = new JFrame("Workflow Visualizer");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setMinimumSize(new Dimension(800, 600));

    JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
    frame.getContentPane().add(splitPane);

    DefaultListModel listModel = new DefaultListModel();
    for (Graph g : engine.getRepository().getGraphs()) {
        listModel.addElement(g);
    }

    ListCellRenderer cellRenderer = new DefaultListCellRenderer() {
        @Override
        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
                boolean cellHasFocus) {
            super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);

            Graph g = (Graph) value;

            setText(g.getName() + "." + g.getVersion() + "  ");
            return this;
        }
    };

    final JList graphList = new JList(listModel);
    graphList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    graphList.setCellRenderer(cellRenderer);

    JScrollPane listScrollPane = new JScrollPane(graphList);
    listScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    listScrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);

    splitPane.add(listScrollPane);

    //TreeLayout<NodeRef, Arc> layout = new TreeLayout<NodeRef, Arc>();

    DirectedSparseMultigraph<Node, Arc> graph = new DirectedSparseMultigraph<Node, Arc>();

    //final SpringLayout2<HibNodeRef, HibArc> layout = new SpringLayout2<HibNodeRef, HibArc>(graph);
    //final KKLayout<HibNodeRef, HibArc> layout = new KKLayout<HibNodeRef, HibArc>(graph);
    final TreeLayout layout = new TreeLayout(graph);
    final BasicVisualizationServer<Node, Arc> vs = new BasicVisualizationServer<Node, Arc>(layout);
    //vs.getRenderContext().setVertexLabelTransformer( new NodeLabeller() );
    //vs.getRenderContext().setEdgeLabelTransformer( new ArcLabeller() );
    vs.getRenderContext().setVertexShapeTransformer(new NodeShapeTransformer());
    vs.getRenderContext().setVertexFillPaintTransformer(new NodeColorTransformer());
    vs.getRenderContext().setLabelOffset(5);
    vs.getRenderContext().setVertexIconTransformer(new Transformer<Node, Icon>() {
        @Override
        public Icon transform(Node node) {
            return "task".equals(node.getType()) ? new TaskIcon(node) : null;
        }
    });

    Transformer<Arc, Paint> edgeColorTrans = new Transformer<Arc, Paint>() {
        private Color darkRed = new Color(128, 0, 0);

        @Override
        public Paint transform(Arc arc) {
            return "reject".equals(arc.getName()) ? darkRed : Color.black;
        }
    };

    vs.getRenderContext().setEdgeDrawPaintTransformer(edgeColorTrans);
    vs.getRenderContext().setArrowDrawPaintTransformer(edgeColorTrans);

    final JScrollPane scrollPane = new JScrollPane(vs);
    scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);

    splitPane.add(scrollPane);
    scrollPane.setBackground(Color.white);

    graphList.addListSelectionListener(new ListSelectionListener() {
        @Override
        public void valueChanged(ListSelectionEvent e) {
            if (e.getValueIsAdjusting()) {
                return;
            }

            final Graph g = (Graph) graphList.getSelectedValue();

            if ((g == null && currentGraph == null) || (g != null && g.equals(currentGraph))) {
                return;
            }

            currentGraph = g;

            DirectedSparseMultigraph<Node, Arc> jungGraph = new DirectedSparseMultigraph<Node, Arc>();

            for (Node ref : currentGraph.getNodes()) {
                jungGraph.addVertex(ref);
            }

            for (Arc arc : currentGraph.getArcs()) {
                jungGraph.addEdge(arc, arc.getStartNode(), arc.getEndNode());
            }

            GraphTree graphTree = new GraphTree(g);
            layout.setGraph(jungGraph);
            layout.setInitializer(new NodeLocationTransformer(graphTree));
            scrollPane.repaint();
        }
    });

    frame.setVisible(true);
}

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From source file:LongListTest.java

public void valueChanged(ListSelectionEvent evt) {
    JList source = (JList) evt.getSource();
    String word = (String) source.getSelectedValue();
    label.setText(word);/* w w w.  j a v  a2  s  .  c o m*/
}

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