List of usage examples for javax.swing DefaultListModel add
public void add(int index, E element)
From source file:DropModeINSERT.java
public static void main(String[] args) { JPanel north = new JPanel(); north.add(new JLabel("Drag from here:")); JTextField field = new JTextField(10); field.setDragEnabled(true);//ww w . j a v a2 s . c om north.add(field); final DefaultListModel listModel = new DefaultListModel(); listModel.addElement("first"); listModel.addElement("second"); final JList list = new JList(listModel); list.setDragEnabled(true); list.setTransferHandler(new TransferHandler() { public boolean canImport(TransferHandler.TransferSupport support) { if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) { return false; } JList.DropLocation dl = (JList.DropLocation) support.getDropLocation(); if (dl.getIndex() == -1) { return false; } else { return true; } } public boolean importData(TransferHandler.TransferSupport support) { if (!canImport(support)) { return false; } Transferable transferable = support.getTransferable(); String data; try { data = (String) transferable.getTransferData(DataFlavor.stringFlavor); } catch (Exception e) { return false; } JList.DropLocation dl = (JList.DropLocation) support.getDropLocation(); int index = dl.getIndex(); if (dl.isInsert()) { listModel.add(index, data); } else { listModel.set(index, data); } // Scroll to display the element that was dropped Rectangle r = list.getCellBounds(index, index); list.scrollRectToVisible(r); return true; } }); JScrollPane center = new JScrollPane(); center.setViewportView(list); list.setDropMode(DropMode.INSERT); JPanel cp = new JPanel(); cp.setLayout(new BorderLayout()); cp.add(north, BorderLayout.NORTH); cp.add(center, BorderLayout.CENTER); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setContentPane(cp); frame.pack(); frame.setVisible(true); }
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); }//w ww .j a va 2 s . c om } } }); 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); }
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 w w w .java 2 s . c o m*/ } } }); 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); }
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]);// w w w . j av a 2 s .co m } 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); }
From source file:Main.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.j av a2 s . c o m } JList jlist = new JList(model); JScrollPane scrollPane1 = new JScrollPane(jlist); frame.add(scrollPane1, 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) { 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); JButton jb = new JButton("add F"); jb.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { model.add(0, "First"); } }); frame.add(jb, BorderLayout.SOUTH); frame.setSize(640, 300); frame.setVisible(true); }
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 ww w . j a va 2s. 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); }
From source file:Main.java
@Override public boolean importData(TransferHandler.TransferSupport support) { if (!this.canImport(support)) { return false; }//from ww w . j a v a 2s .com Transferable t = support.getTransferable(); String data = null; try { data = (String) t.getTransferData(DataFlavor.stringFlavor); if (data == null) { return false; } } catch (Exception e) { e.printStackTrace(); return false; } JList.DropLocation dropLocation = (JList.DropLocation) support.getDropLocation(); int dropIndex = dropLocation.getIndex(); JList<String> targetList = (JList<String>) support.getComponent(); DefaultListModel<String> listModel = (DefaultListModel<String>) targetList.getModel(); if (dropLocation.isInsert()) { listModel.add(dropIndex, data); } else { listModel.set(dropIndex, data); } return true; }
From source file:ANNFileDetect.EditNet.java
public void populateList() { String[] nnames = new String[] { "" }; nnames = sqlite.GetNetworkNames();//from www . j av a 2s . co m DefaultListModel mdl = new DefaultListModel(); for (int i = 0; i < nnames.length; i++) { mdl.add(i, nnames[i]); } NetList.setModel(mdl); NetList.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent evt) { if (evt.getValueIsAdjusting()) { return; } else { String[] images = {}; try { images = sqlite.GetImagesForNetwork(NetList.getSelectedValue().toString()); } catch (Exception e) { System.out.println("exception: " + e.toString()); } DefaultListModel mdl2 = new DefaultListModel(); if (images.length > 0) { for (int i = 0; i < images.length; i++) { mdl2.add(i, images[i]); } } else { mdl2.clear(); thresholdList.setModel(mdl2); } fileList.setModel(mdl2); } } }); fileList.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent evt) { if (evt.getValueIsAdjusting()) { return; } else { String[] thresh = sqlite.GetThresholds(NetList.getSelectedValue().toString(), fileList.getSelectedValue().toString()); DefaultListModel mdl3 = new DefaultListModel(); if (thresh.length > 0) { for (int i = 0; i < thresh.length; i++) { String[] vals = thresh[i].split(","); mdl3.add(i, "Range: " + vals[0] + "-" + vals[1] + " Score: " + vals[3] + " Weight: " + vals[2]); } } else { mdl3.clear(); } thresholdList.setModel(mdl3); } } }); }
From source file:DragListDemo.java
public boolean importData(JComponent c, Transferable t) { JList target = null;/*from ww w. j a va 2 s.co m*/ ArrayList alist = null; if (!canImport(c, t.getTransferDataFlavors())) { return false; } try { target = (JList) c; if (hasLocalArrayListFlavor(t.getTransferDataFlavors())) { alist = (ArrayList) t.getTransferData(localArrayListFlavor); } else if (hasSerialArrayListFlavor(t.getTransferDataFlavors())) { alist = (ArrayList) t.getTransferData(serialArrayListFlavor); } else { return false; } } catch (UnsupportedFlavorException ufe) { System.out.println("importData: unsupported data flavor"); return false; } catch (IOException ioe) { System.out.println("importData: I/O exception"); return false; } //At this point we use the same code to retrieve the data //locally or serially. //We'll drop at the current selected index. int index = target.getSelectedIndex(); //Prevent the user from dropping data back on itself. //For example, if the user is moving items #4,#5,#6 and #7 and //attempts to insert the items after item #5, this would //be problematic when removing the original items. //This is interpreted as dropping the same data on itself //and has no effect. if (source.equals(target)) { if (indices != null && index >= indices[0] - 1 && index <= indices[indices.length - 1]) { indices = null; return true; } } DefaultListModel listModel = (DefaultListModel) target.getModel(); int max = listModel.getSize(); if (index < 0) { index = max; } else { index++; if (index > max) { index = max; } } addIndex = index; addCount = alist.size(); for (int i = 0; i < alist.size(); i++) { listModel.add(index++, alist.get(i)); } return true; }
From source file:dnd.ListTransferHandler.java
public boolean importData(TransferHandler.TransferSupport info) { if (!info.isDrop()) { return false; }/*from ww w .java 2 s . c o m*/ JList list = (JList) info.getComponent(); DefaultListModel listModel = (DefaultListModel) list.getModel(); JList.DropLocation dl = (JList.DropLocation) info.getDropLocation(); int index = dl.getIndex(); boolean insert = dl.isInsert(); // Get the string that is being dropped. Transferable t = info.getTransferable(); String data; try { data = (String) t.getTransferData(DataFlavor.stringFlavor); } catch (Exception e) { return false; } // Perform the actual import. if (insert) { listModel.add(index, data); } else { listModel.set(index, data); } return true; }