Test of the DragGesture classes and JList to see if we can recognize a simple drag gesture : List « Swing JFC « Java

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Java » Swing JFC » List Screenshots  Test of the DragGesture classes and JList to see if we can recognize a simple drag gesture /* Java Swing, 2nd Edition By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole ISBN: 0-596-00408-7 Publisher: O'Reilly  */ // GestureTest.java //A simple (?) test of the DragGesture classes to see if we //can recognize a simple drag gesture. // import java.awt.BorderLayout; import java.awt.dnd.DnDConstants; import java.awt.dnd.DragGestureEvent; import java.awt.dnd.DragGestureListener; import java.awt.dnd.DragGestureRecognizer; import java.awt.dnd.DragSource; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.ListSelectionModel; public class GestureTest extends JFrame implements DragGestureListener {   DragSource ds;   JList jl;   String[] items = { "Java", "C", "C++", "Lisp", "Perl", "Python" };   public GestureTest() {     super("Gesture Test");     setSize(200, 150);     addWindowListener(new WindowAdapter() {       public void windowClosing(WindowEvent we) {         System.exit(0);       }     });     jl = new JList(items);     jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);     getContentPane().add(new JScrollPane(jl), BorderLayout.CENTER);     ds = new DragSource();     DragGestureRecognizer dgr = ds.createDefaultDragGestureRecognizer(jl,         DnDConstants.ACTION_COPY, this);     setVisible(true);   }   public void dragGestureRecognized(DragGestureEvent dge) {     System.out.println("Drag Gesture Recognized!");   }   public static void main(String args[]) {     new GestureTest();   } }                     Related examples in the same category 1.  Use JList component to display custom objects with ListCellRenderer 2.  An example of JList with a DefaultListModel 3.  Create JList from array of string value 4.  A graphical list selection monitor 5.  Dual JList with buttons in between 6.  extends ListCellRenderer to display icons 7.  Add JList to Scroll pane 8.  Dual Sample: JList and ComboBox 9.  JList selection changed listener 10.  Triple List from same data array 11.  List with and without ScrollPane 12.  Set visible row count and fixed cell height and width 13.  List: Shared Data Sample 14.  List Data Event Demo 15.  How to use the list component 16.  Create list from list model 17.  How to create list cell renderer 18.  React to list selection action 19.  Construct the list component 20.  Tab list renderer 21.  List with textfield input 22.  Sharing a Model between a JList and JComboBox 23.  Demonstrate Swing ScrollingList 24.  Demonstrate Swing JList ListModel 25.  Weak ListModel 26.  ListModel Demo 27.  ModifyModelSample: ListModel Demo 28.  ArrayList with a ListModel for ease of use 29.  Drag and Drop:JList and List 30.  List selection event 31.  JList is a component that displays a list of objects: It allows the user to select one or more items. 32.  A JTextArea is a multi-line text area that displays plain text. 33.  JTextPane component is an advanced component for working with text. 34.  Model for a JButton: manage only the state of the button 35.  A default button model 36.  JList: ListModel and ListSelectionModel. The ListModel handles data. ListSelectionModel works with the GUI. 37.  A single-selection JList. 38.  Listening for Changes to the Items in a JList Component 39.  Listening for Changes to the Selection in a JList Component 40.  Detecting Double and Triple Clicks on an Item in a JList Component 41.  Arranging Items in a JList Component 42.  changes the layout orientation so that its items are displayed top-to-bottom and left-to-right. 43.  Make the number of visible rows dependent on the height of the list, the visibleRowCount property must be set to 0: 44.  Setting the Selection Mode of a JList Component 45.  The selected items must be in a contiguous range 46.  Multiple ranges of selected items are allowed 47.  Setting the Selected Items in a JList Component 48.  import javax.swing.JList; 49.  Select all the items 50.  Clear all selections 51.  Select the first item 52.  Add another selection - the third item 53.  Deselect the first item 54.  Select a single item 55.  Getting the Selected Items in a JList Component 56.  Get the index of the last selected item 57.  Determine if the third item is selected 58.  Determine if there are any selected items 59.  Return the selected item objects: 60.  Adding and Removing an Item in a JList Component 61.  Append an item 62.  Insert an item at the beginning 63.  Create a list that allows adds and removes 64.  Set method replaces an item 65.  Methods are used to remove items 66.  Getting the Items in a JList Component 67.  Methods are used to find an item: 68.  These methods can be used to find the range of visible items: 69.  Get index of first visible item 70.  Get index of last visible item 71.  Setting a Tool Tip for an Item in a JList Component 72.  Setting the Dimensions of an Item in a JList Component 73.  It is also possible to set the item dimensions using a sample value: 74.  Creating a JList Component 75.  The items can be arbitrary objects. The toString() method of the objects is displayed in the list component. 76.  Determining the Selected JRadioButton in a Button Group 77.  A spinner that rolls from the end of a list to beginning