Example usage for javax.swing JList locationToIndex

Introduction

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

Prototype

public int locationToIndex(Point location) 

Source Link

Document

Returns the cell index closest to the given location in the list's coordinate system.

Usage

From source file:JListLocationToIndexSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H" };
    JFrame frame = new JFrame("Selecting JList");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JList jlist = new JList(labels);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    frame.add(scrollPane1, BorderLayout.CENTER);

    MouseListener mouseListener = new MouseAdapter() {
        public void mouseClicked(MouseEvent mouseEvent) {
            JList theList = (JList) mouseEvent.getSource();
            if (mouseEvent.getClickCount() == 2) {
                int index = theList.locationToIndex(mouseEvent.getPoint());
                if (index >= 0) {
                    Object o = theList.getModel().getElementAt(index);
                    System.out.println("Double-clicked on: " + o.toString());
                }//from ww  w .j  av  a2s  .com
            }
        }
    };
    jlist.addMouseListener(mouseListener);

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

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From source file:MainClass.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);

    JList jlist = new JList(labels);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    frame.add(scrollPane1);/*from  ww  w  .  j a  v  a 2 s .  c o  m*/

    MouseListener mouseListener = new MouseAdapter() {
        public void mouseClicked(MouseEvent mouseEvent) {
            JList theList = (JList) mouseEvent.getSource();
            if (mouseEvent.getClickCount() == 2) {
                int index = theList.locationToIndex(mouseEvent.getPoint());
                if (index >= 0) {
                    Object o = theList.getModel().getElementAt(index);
                    System.out.println("Double-clicked on: " + o.toString());
                }
            }
        }
    };
    jlist.addMouseListener(mouseListener);

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

---

From source file:Main.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H" };
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JList<String> jlist = new JList<>(labels);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    f.add(scrollPane1, BorderLayout.CENTER);

    MouseListener mouseListener = new MouseAdapter() {
        public void mouseClicked(MouseEvent mouseEvent) {
            JList<String> theList = (JList) mouseEvent.getSource();
            if (mouseEvent.getClickCount() == 2) {
                int index = theList.locationToIndex(mouseEvent.getPoint());
                if (index >= 0) {
                    Object o = theList.getModel().getElementAt(index);
                    System.out.println("Double-clicked on: " + o.toString());
                }/* ww w.  j ava 2  s.c o  m*/
            }
        }
    };
    jlist.addMouseListener(mouseListener);
    f.setSize(350, 200);
    f.setVisible(true);
}

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From source file:SelectingJListSample.java

public static void main(String args[]) {
    String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J" };
    JFrame frame = new JFrame("Selecting JList");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    JList jlist = new JList(labels);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    contentPane.add(scrollPane1, BorderLayout.WEST);

    ListSelectionListener listSelectionListener = new ListSelectionListener() {
        public void valueChanged(ListSelectionEvent listSelectionEvent) {
            System.out.print("First index: " + listSelectionEvent.getFirstIndex());
            System.out.print(", Last index: " + listSelectionEvent.getLastIndex());
            boolean adjust = listSelectionEvent.getValueIsAdjusting();
            System.out.println(", Adjusting? " + adjust);
            if (!adjust) {
                JList list = (JList) listSelectionEvent.getSource();
                int selections[] = list.getSelectedIndices();
                Object selectionValues[] = list.getSelectedValues();
                for (int i = 0, n = selections.length; i < n; i++) {
                    if (i == 0) {
                        System.out.print("  Selections: ");
                    }//from  w  w  w  .  j  av  a 2 s  .co m
                    System.out.print(selections[i] + "/" + selectionValues[i] + " ");
                }
                System.out.println();
            }
        }
    };
    jlist.addListSelectionListener(listSelectionListener);

    MouseListener mouseListener = new MouseAdapter() {
        public void mouseClicked(MouseEvent mouseEvent) {
            JList theList = (JList) mouseEvent.getSource();
            if (mouseEvent.getClickCount() == 2) {
                int index = theList.locationToIndex(mouseEvent.getPoint());
                if (index >= 0) {
                    Object o = theList.getModel().getElementAt(index);
                    System.out.println("Double-clicked on: " + o.toString());
                }
            }
        }
    };
    jlist.addMouseListener(mouseListener);

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

---

From source file:Main.java

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

    list.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent evt) {
            JList list = (JList) evt.getSource();
            if (evt.getClickCount() == 2) { // Double-click
                int index = list.locationToIndex(evt.getPoint());
            } else if (evt.getClickCount() == 3) { // Triple-click
                int index = list.locationToIndex(evt.getPoint());
            }//from ww w . j  a va2s  .c o  m
        }
    });
}

---

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JList list = new JList(new CheckListItem[] { new CheckListItem("apple"), new CheckListItem("orange"),
            new CheckListItem("mango"), new CheckListItem("mango"), new CheckListItem("mango"),
            new CheckListItem("mango"), new CheckListItem("mango"), new CheckListItem("mango"),
            new CheckListItem("mango"), new CheckListItem("mango"), new CheckListItem("mango"),

            new CheckListItem("paw paw"), new CheckListItem("banana") });
    list.setCellRenderer(new CheckListRenderer());
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.addMouseListener(new MouseAdapter() {
        @Override//from ww  w .j a  v a2  s . c  o m
        public void mouseClicked(MouseEvent event) {
            JList list = (JList) event.getSource();
            int index = list.locationToIndex(event.getPoint());// Get index of item
                                                               // clicked
            CheckListItem item = (CheckListItem) list.getModel().getElementAt(index);
            item.setSelected(!item.isSelected()); // Toggle selected state
            list.repaint(list.getCellBounds(index, index));// Repaint cell
        }
    });
    frame.getContentPane().add(new JScrollPane(list));
    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 . jav a 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);

}

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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);
                }// ww  w.  j a  va 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:Main.java

/**
 *
 * @param list/*ww  w. j av  a2 s. c o  m*/
 * @param point
 * @return
 */
public static int loc2IndexFileList(JList list, Point point) {
    int index = list.locationToIndex(point);

    if (index != -1) {
        Object bySize = list.getClientProperty("List.isFileList");

        if (bySize instanceof Boolean && ((Boolean) bySize).booleanValue()
                && !pointIsInActualBounds(list, index, point)) {
            index = -1;
        }
    }

    return index;
}

---

From source file:io.github.jeremgamer.editor.panels.Actions.java

public Actions(final JFrame frame, final ActionPanel ap) {
    this.frame = frame;

    this.setBorder(BorderFactory.createTitledBorder(""));
    JButton add = null;//from   ww w.  j ava2s.c o  m
    try {
        add = new JButton(new ImageIcon(ImageIO.read(ImageGetter.class.getResource("add.png"))));
    } catch (IOException e) {
        e.printStackTrace();
    }
    add.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            try {
                JOptionPane jop = new JOptionPane();
                @SuppressWarnings("static-access")
                String name = jop.showInputDialog(null, "Nommez l'action :", "Crer une action",
                        JOptionPane.QUESTION_MESSAGE);

                if (name != null) {
                    for (int i = 0; i < data.getSize(); i++) {
                        if (data.get(i).equals(name)) {
                            name += "1";
                        }
                    }
                    data.addElement(name);
                    new ActionSave(name);
                    OtherPanel.updateLists();
                    ButtonPanel.updateLists();
                    ActionPanel.updateLists();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }

        }

    });

    JButton remove = null;
    try {
        remove = new JButton(new ImageIcon(ImageIO.read(ImageGetter.class.getResource("remove.png"))));
    } catch (IOException e) {
        e.printStackTrace();
    }
    remove.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            try {
                if (actionList.getSelectedValue() != null) {
                    File file = new File("projects/" + Editor.getProjectName() + "/actions/"
                            + actionList.getSelectedValue() + ".rbd");
                    JOptionPane jop = new JOptionPane();
                    @SuppressWarnings("static-access")
                    int option = jop.showConfirmDialog(null,
                            "tes-vous sr de vouloir supprimer cette action?", "Avertissement",
                            JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);

                    if (option == JOptionPane.OK_OPTION) {
                        if (actionList.getSelectedValue().equals(ap.getFileName())) {
                            ap.setFileName("");
                        }
                        ap.hide();
                        file.delete();
                        data.remove(actionList.getSelectedIndex());
                        OtherPanel.updateLists();
                        ButtonPanel.updateLists();
                    }
                }
            } catch (NullPointerException npe) {
                npe.printStackTrace();
            }

        }

    });

    JPanel buttons = new JPanel();
    buttons.setLayout(new BoxLayout(buttons, BoxLayout.LINE_AXIS));
    buttons.add(add);
    buttons.add(remove);

    updateList();
    actionList.addMouseListener(new MouseAdapter() {
        @SuppressWarnings("unchecked")
        public void mouseClicked(MouseEvent evt) {
            JList<String> list = (JList<String>) evt.getSource();
            if (evt.getClickCount() == 2) {
                int index = list.locationToIndex(evt.getPoint());
                if (isOpen == false) {
                    ap.show();
                    ap.load(new File("projects/" + Editor.getProjectName() + "/actions/"
                            + list.getModel().getElementAt(index) + ".rbd"));
                    previousSelection = list.getSelectedValue();
                    isOpen = true;
                } else {
                    try {
                        if (previousSelection.equals(list.getModel().getElementAt(index))) {
                            ap.hide();
                            previousSelection = list.getSelectedValue();
                            list.clearSelection();
                            isOpen = false;
                        } else {
                            ap.hideThenShow();
                            previousSelection = list.getSelectedValue();
                            ap.load(new File("projects/" + Editor.getProjectName() + "/actions/"
                                    + list.getModel().getElementAt(index) + ".rbd"));
                        }
                    } catch (NullPointerException npe) {
                        ap.hide();
                        list.clearSelection();
                    }
                }
            } else if (evt.getClickCount() == 3) {
                int index = list.locationToIndex(evt.getPoint());
                if (isOpen == false) {
                    ap.show();
                    ap.load(new File("projects/" + Editor.getProjectName() + "/actions/"
                            + list.getModel().getElementAt(index) + ".rbd"));
                    previousSelection = list.getSelectedValue();
                    isOpen = true;
                } else {
                    try {
                        if (previousSelection.equals(list.getModel().getElementAt(index))) {
                            ap.hide();
                            previousSelection = list.getSelectedValue();
                            list.clearSelection();
                            isOpen = false;
                        } else {
                            ap.hideThenShow();
                            previousSelection = list.getSelectedValue();
                            ap.load(new File("projects/" + Editor.getProjectName() + "/actions/"
                                    + list.getModel().getElementAt(index) + ".rbd"));
                        }
                    } catch (NullPointerException npe) {
                        ap.hide();
                        list.clearSelection();
                    }
                }
            }
        }
    });
    JScrollPane listPane = new JScrollPane(actionList);
    listPane.getVerticalScrollBar().setUnitIncrement(Editor.SCROLL_SPEED);
    this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
    this.add(buttons);
    this.add(listPane);
    OtherPanel.updateLists();
}

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