Example usage for javax.swing DefaultListModel clear

Introduction

In this page you can find the example usage for javax.swing DefaultListModel clear.

Prototype

public void clear() 

Source Link

Document

Removes all of the elements from this list.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    DefaultListModel model = new DefaultListModel();
    JList list = new JList(model);

    // Remove the first item
    int pos = 0;//from   w  w w .ja  v  a2 s  .c  o m
    model.remove(pos);

    // Remove the last item
    pos = model.getSize() - 1;
    if (pos >= 0) {
        model.remove(pos);
    }

    // Remove all items
    model.clear();
}

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From source file:ModifyModelSampleModelAction.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Modifying Model");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // Fill model
    final DefaultListModel model = new DefaultListModel();
    for (int i = 0, n = labels.length; i < n; i++) {
        model.addElement(labels[i]);/*from w  w w. jav a 2 s . com*/
    }
    JList jlist = new JList(model);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    frame.add(scrollPane1, BorderLayout.CENTER);

    JButton jb = new JButton("add F");

    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.add(0, "First");
            model.clear();
            model.addElement("Last");
            model.addElement("Last");
            model.addElement("Last");
            model.addElement("Last");

            int size = model.getSize();
            model.insertElementAt("Middle", size / 2);
            model.set(0, "New First");
            model.setElementAt("New Last", size - 1);

            model.remove(0);
            // model.removeAllElements();
            //    model.removeElement("Last");
            //      model.removeElementAt(size / 2);
            //        model.removeRange(0, size / 2);
        }
    });

    frame.add(jb, BorderLayout.SOUTH);

    frame.setSize(640, 300);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    DefaultListModel<String> model = new DefaultListModel<>();
    JList<String> list = new JList<>(model);

    int pos = 0;/*  w ww.java 2 s . c  om*/
    model.add(pos, "a");

    //Insert an item at the beginning
    model.add(pos, "a");

    // Initialize the list with items
    String[] items = { "A", "B", "C", "D" };
    for (int i = 0; i < items.length; i++) {
        model.add(i, items[i]);
    }

    // Replace the 2nd item
    pos = 1;
    model.set(pos, "b");

    // Remove the first item
    model.remove(pos);

    // Remove the last item
    pos = model.getSize() - 1;
    if (pos >= 0) {
        model.remove(pos);
    }

    // Remove all items
    model.clear();
}

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From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Modifying Model");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final DefaultListModel model = new DefaultListModel();
    for (int i = 0, n = labels.length; i < n; i++) {
        model.addElement(labels[i]);/*from  www.  j av a  2  s  . c  om*/
    }
    JList jlist = new JList(model);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    frame.add(scrollPane1, BorderLayout.WEST);

    ListDataListener listDataListener = new ListDataListener() {
        public void contentsChanged(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        public void intervalAdded(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        public void intervalRemoved(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        private void appendEvent(ListDataEvent listDataEvent) {
            switch (listDataEvent.getType()) {
            case ListDataEvent.CONTENTS_CHANGED:
                System.out.println("Type: Contents Changed");
                break;
            case ListDataEvent.INTERVAL_ADDED:
                System.out.println("Type: Interval Added");
                break;
            case ListDataEvent.INTERVAL_REMOVED:
                System.out.println("Type: Interval Removed");
                break;
            }
            System.out.println(", Index0: " + listDataEvent.getIndex0());
            System.out.println(", Index1: " + listDataEvent.getIndex1());
            DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
            System.out.println(theModel);
        }
    };

    model.addListDataListener(listDataListener);

    model.add(0, "First");
    model.addElement("Last");
    int size = model.getSize();
    model.insertElementAt("Middle", size / 2);
    size = model.getSize();
    if (size != 0)
        model.set(0, "New First");
    size = model.getSize();
    if (size != 0)
        model.setElementAt("New Last", size - 1);
    for (int i = 0, n = labels.length; i < n; i++) {
        model.addElement(labels[i]);
    }
    model.clear();
    size = model.getSize();
    if (size != 0)
        model.remove(0);

    model.removeAllElements();
    model.removeElement("Last");
    size = model.getSize();
    if (size != 0)
        model.removeElementAt(size / 2);
    size = model.getSize();
    if (size != 0)
        model.removeRange(0, size / 2);
    frame.setSize(640, 300);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    final DefaultListModel<String> model = new DefaultListModel<>();
    final JList<String> list = new JList<>(model);
    JFrame f = new JFrame();

    model.addElement("A");
    model.addElement("B");
    model.addElement("C");
    model.addElement("D");
    model.addElement("E");

    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));

    JPanel leftPanel = new JPanel();
    JPanel rightPanel = new JPanel();

    leftPanel.setLayout(new BorderLayout());
    rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));

    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2) {
                int index = list.locationToIndex(e.getPoint());
                Object item = model.getElementAt(index);
                String text = JOptionPane.showInputDialog("Rename item", item);
                String newitem = "";
                if (text != null)
                    newitem = text.trim();
                else
                    return;

                if (!newitem.isEmpty()) {
                    model.remove(index);
                    model.add(index, newitem);
                    ListSelectionModel selmodel = list.getSelectionModel();
                    selmodel.setLeadSelectionIndex(index);
                }//from  www  . ja  va  2 s. com
            }
        }
    });
    leftPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    leftPanel.add(new JScrollPane(list));

    JButton removeall = new JButton("Remove All");
    JButton add = new JButton("Add");
    JButton rename = new JButton("Rename");
    JButton delete = new JButton("Delete");

    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = JOptionPane.showInputDialog("Add a new item");
            String item = null;

            if (text != null)
                item = text.trim();
            else
                return;

            if (!item.isEmpty())
                model.addElement(item);
        }
    });

    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index >= 0)
                model.remove(index);
        }

    });

    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index == -1)
                return;
            Object item = model.getElementAt(index);
            String text = JOptionPane.showInputDialog("Rename item", item);
            String newitem = null;

            if (text != null) {
                newitem = text.trim();
            } else
                return;

            if (!newitem.isEmpty()) {
                model.remove(index);
                model.add(index, newitem);
            }
        }
    });

    removeall.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.clear();
        }
    });

    rightPanel.add(add);
    rightPanel.add(rename);
    rightPanel.add(delete);
    rightPanel.add(removeall);

    rightPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 20));

    panel.add(leftPanel);
    panel.add(rightPanel);

    f.add(panel);

    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}

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From source file:List.java

public static void main(String[] args) {
    final DefaultListModel model = new DefaultListModel();
    final JList list = new JList(model);
    JFrame f = new JFrame();
    f.setTitle("JList models");

    model.addElement("A");
    model.addElement("B");
    model.addElement("C");
    model.addElement("D");
    model.addElement("E");

    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));

    JPanel leftPanel = new JPanel();
    JPanel rightPanel = new JPanel();

    leftPanel.setLayout(new BorderLayout());
    rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));

    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() == 2) {
                int index = list.locationToIndex(e.getPoint());
                Object item = model.getElementAt(index);
                String text = JOptionPane.showInputDialog("Rename item", item);
                String newitem = "";
                if (text != null)
                    newitem = text.trim();
                else
                    return;

                if (!newitem.isEmpty()) {
                    model.remove(index);
                    model.add(index, newitem);
                    ListSelectionModel selmodel = list.getSelectionModel();
                    selmodel.setLeadSelectionIndex(index);
                }//from   ww w  .  ja v  a 2  s  .com
            }
        }
    });
    leftPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

    leftPanel.add(new JScrollPane(list));

    JButton removeall = new JButton("Remove All");
    JButton add = new JButton("Add");
    JButton rename = new JButton("Rename");
    JButton delete = new JButton("Delete");

    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            String text = JOptionPane.showInputDialog("Add a new item");
            String item = null;

            if (text != null)
                item = text.trim();
            else
                return;

            if (!item.isEmpty())
                model.addElement(item);
        }
    });

    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index >= 0)
                model.remove(index);
        }

    });

    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            ListSelectionModel selmodel = list.getSelectionModel();
            int index = selmodel.getMinSelectionIndex();
            if (index == -1)
                return;
            Object item = model.getElementAt(index);
            String text = JOptionPane.showInputDialog("Rename item", item);
            String newitem = null;

            if (text != null) {
                newitem = text.trim();
            } else
                return;

            if (!newitem.isEmpty()) {
                model.remove(index);
                model.add(index, newitem);
            }
        }
    });

    removeall.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            model.clear();
        }
    });

    rightPanel.add(add);
    rightPanel.add(rename);
    rightPanel.add(delete);
    rightPanel.add(removeall);

    rightPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 20));

    panel.add(leftPanel);
    panel.add(rightPanel);

    f.add(panel);

    f.setSize(350, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);

}

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From source file:ModifyModelSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Modifying Model");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    // Fill model
    final DefaultListModel model = new DefaultListModel();
    for (int i = 0, n = labels.length; i < n; i++) {
        model.addElement(labels[i]);//from  w w w  . j  av a 2 s  .  c om
    }
    JList jlist = new JList(model);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    contentPane.add(scrollPane1, BorderLayout.WEST);

    final JTextArea textArea = new JTextArea();
    textArea.setEditable(false);
    JScrollPane scrollPane2 = new JScrollPane(textArea);
    contentPane.add(scrollPane2, BorderLayout.CENTER);

    ListDataListener listDataListener = new ListDataListener() {
        public void contentsChanged(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        public void intervalAdded(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        public void intervalRemoved(ListDataEvent listDataEvent) {
            appendEvent(listDataEvent);
        }

        private void appendEvent(ListDataEvent listDataEvent) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            switch (listDataEvent.getType()) {
            case ListDataEvent.CONTENTS_CHANGED:
                pw.print("Type: Contents Changed");
                break;
            case ListDataEvent.INTERVAL_ADDED:
                pw.print("Type: Interval Added");
                break;
            case ListDataEvent.INTERVAL_REMOVED:
                pw.print("Type: Interval Removed");
                break;
            }
            pw.print(", Index0: " + listDataEvent.getIndex0());
            pw.print(", Index1: " + listDataEvent.getIndex1());
            DefaultListModel theModel = (DefaultListModel) listDataEvent.getSource();
            Enumeration elements = theModel.elements();
            pw.print(", Elements: ");
            while (elements.hasMoreElements()) {
                pw.print(elements.nextElement());
                pw.print(",");
            }
            pw.println();
            textArea.append(sw.toString());
        }
    };

    model.addListDataListener(listDataListener);

    // Setup buttons
    JPanel jp = new JPanel(new GridLayout(2, 1));
    JPanel jp1 = new JPanel(new FlowLayout(FlowLayout.CENTER, 1, 1));
    JPanel jp2 = new JPanel(new FlowLayout(FlowLayout.CENTER, 1, 1));
    jp.add(jp1);
    jp.add(jp2);
    JButton jb = new JButton("add F");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.add(0, "First");
        }
    });
    jb = new JButton("addElement L");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.addElement("Last");
        }
    });
    jb = new JButton("insertElementAt M");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            model.insertElementAt("Middle", size / 2);
        }
    });
    jb = new JButton("set F");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.set(0, "New First");
        }
    });
    jb = new JButton("setElementAt L");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.setElementAt("New Last", size - 1);
        }
    });
    jb = new JButton("load 10");
    jp1.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            for (int i = 0, n = labels.length; i < n; i++) {
                model.addElement(labels[i]);
            }
        }
    });
    jb = new JButton("clear");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.clear();
        }
    });
    jb = new JButton("remove F");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.remove(0);
        }
    });
    jb = new JButton("removeAllElements");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.removeAllElements();
        }
    });
    jb = new JButton("removeElement 'Last'");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            model.removeElement("Last");
        }
    });
    jb = new JButton("removeElementAt M");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.removeElementAt(size / 2);
        }
    });
    jb = new JButton("removeRange FM");
    jp2.add(jb);
    jb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            int size = model.getSize();
            if (size != 0)
                model.removeRange(0, size / 2);
        }
    });
    contentPane.add(jp, BorderLayout.SOUTH);
    frame.setSize(640, 300);
    frame.setVisible(true);
}

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From source file:fr.duminy.jbackup.swing.SourceListTypeMapper.java

@Override
public void setValue(@Nonnull ListPanel<Source, JList<Source>> listPanel, @Nullable List o) {
    DefaultListModel<Source> model = getModel(listPanel);
    model.clear();
    if (o != null) {
        for (Source source : (List<Source>) o) {
            model.addElement(source);//www  . ja  v  a 2 s. c  o m
        }
    }
}

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From source file:be.ugent.maf.cellmissy.gui.controller.analysis.singlecell.filtering.SingleCutOffFilteringController.java

/**
 * Plot the raw KDE for track displacements.
 *
 *//* w  ww  .j a v a 2s  . com*/
public void showMedianDisplInList() {
    DefaultListModel model = (DefaultListModel) singleCutOffPanel.getMedianDisplList().getModel();
    model.clear();
    filteringController.getPlateConditions().stream()
            .map((condition) -> filteringController.getMedianDisplAcrossReplicates(condition))
            .forEach((Double medianDisplForCondition) -> {
                model.addElement(AnalysisUtils.roundThreeDecimals(medianDisplForCondition));
            });
}

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From source file:com.neurotec.samples.panels.EnrollFromScanner.java

public void updateScannerList() {
    DefaultListModel model = (DefaultListModel) scannerList.getModel();
    model.clear();
    for (NDevice device : deviceManager.getDevices()) {
        model.addElement(device);/*ww w. j a va 2s  .com*/
    }
    NFingerScanner scanner = (NFingerScanner) FingersTools.getInstance().getClient().getFingerScanner();
    if ((scanner == null) && (model.getSize() > 0)) {
        scannerList.setSelectedIndex(0);
    } else if (scanner != null) {
        scannerList.setSelectedValue(scanner, true);
    }
}

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