Search DaniWeb - jlist

jList 9 Years Ago by Saboor880 hi. I am using a jList, a button and a jtextfield. I want that the text or string written in jtextfield should add in the jlist on pressing button. But i could not find such method of jlist. Please tell me method of jlist by which i can add items in jlist Jlist help 14 Years Ago by liftthis ….ListSelectionModel; public class SmsInbox extends JPanel { JList list; DefaultListModel model; int counter = 0… model = new DefaultListModel(); list = new JList(model); list.setSelectedIndex(0); list.setSelectionMode(ListSelectionModel.… Jlist help 16 Years Ago by abhi_elementx hi. I have a jlist on a frame. I want to add items dynamically in … Statement S; private ResultSet R; DefaultListModel model = new DefaultListModel(); JList Employee_list = new JList(model); /** Creates new form AdminFrame */ public AdminFrame() { initComponents(); MySQLConnector… Re: JList 14 Years Ago by quuba …: Object[] model = anList.toArray(); 4. create new instance of JList jList: jList = new JList(model); 5. read [URL="http://download.oracle.com/javase… Re: jList 9 Years Ago by JamesCherrill You really are not trying. Google JList tutorial. Go to the official Oracle tutorial. Go to the section called "Adding Items to and Removing Items from a List" Re: Jlist help 14 Years Ago by Ezzaral … want to display a list of incoming string phonenumber[/B] JList will display the [ICODE]toString()[/ICODE] result of objects in… Re: Jlist help 14 Years Ago by liftthis I found a good example: [url]http://www.javadocexamples.com/java_source/__/jl/JListDemo3C.java.html[/url] In this example the Jlist displays the object, how to you display something else, in the example above display the students name. Re: Jlist help 14 Years Ago by Ezzaral Yes. The JList will display the string representation of the objects by calling their toString() method. If you customize that, you can display any string that you wish. JList 14 Years Ago by gedas … names of people. how can i display this in the JList or how can i convert this value to a simple… the value returned from it needs to be displayed in JList Thank You Re: JList 14 Years Ago by pbl Don't see why you don't use the JList for data processing. After all a JList is just an ArrayList with GUI features JList using Data model created via routine 12 Years Ago by cisumma … = new PayrollEntriesCollection(getPayrollObj()); PayrollEntriesListModel listModel = new PayrollEntriesListModel(collection); JList sampleJList = new JList(listModel); Font displayFont = new Font("Serif"… JList DefaultListModel ClassCastException 17 Years Ago by yoyodelta …private JFrame frame; private JTextField name; private JTextField location; private JList times; private JButton addTime; //open add time slot prompt …= 1; gridBag.setConstraints(a, gbc); frame.add(a); times = new JList(new DefaultListModel()); if (schoolClass != null) times.setListData(schoolClass.getTimeSlots().toArray… JList and ArrayList 14 Years Ago by anders10 …private Container contJ; private Container contE; private JList joggerList; private JList eliteRunnerList; private JTextField nameJField; private JTextField …BorderFactory.createTitledBorder("Licensnumber")); eliteRunnerList = new JList(this.runners.toArray()); eliteRunnerList.setBorder(BorderFactory.createTitledBorder("… JList & JFileChooser 15 Years Ago by Perveance … The file then must to be added to the JList. [CODE]public class GmFrame extends JFrame { private …JButton bAdd; private JButton bRemove; public JList jl; public Vector<File> vf = new…bRemove = new JButton("Remove"); jl = new JList(vf); jl.setPreferredSize(new Dimension(500,100)); vf.add… JList update problem 14 Years Ago by bleedi … JScrollPane seriesPane; private DefaultListModel lmSeries; private JList seriesList; private MainUI(Main main_par) {…new DefaultListModel(); seriesPane = new JScrollPane(); seriesList = new JList(); seriesPane.add(seriesList); seriesPanel = new JPanel(); seriesPanel… Re: JList DefaultListModel ClassCastException 17 Years Ago by yoyodelta Finally figured out the problem: When I called times.setListData(Object[] array) JList constructs a [B]new[/B] instance of the ListModel based on its own internal, incompatible with DefaultListModel, ListModel; as if I never used the constructor passing in a DefaultListModel. Data then must be added one at a time. Re: JList doesn't pass events to sub component 15 Years Ago by sciwizeh … JPanel { /** * the list that will be displayed */ JList list = new JList(); /** * scroll pane for the list */ JScrollPane pane =… return it; * @see javax.swing.ListCellRenderer#getListCellRendererComponent(javax.swing.JList, java.lang.Object, int, boolean, boolean) */ @Override … Re: JList & JFileChooser 15 Years Ago by Perveance Thank you, javaAddict. Just I thought JList use Observer/Observable interface. So if Vector changes, the JList changes too. Apparently my understanding is wrong. javaAddict, could you please tell me how can I add element to JList? Should I create new JList? JList element tags? 14 Years Ago by Jaydenn … i) { this.i = i; } } public class Main { public void addJListElement() { jList.addElement("My object", new MyObject(10)); } public void… getSelectedListElement() { MyObject myObject = (MyObject)jList.getSelectedElement().getTag(); int i = myObject.i; //should be 10. } }[/CODE… Re: JList element tags? 14 Years Ago by javaAddict Doesn't the JList already do what you want? Why do you need the tag? [CODE] MyObject myObject = (MyObject)jList.getSelectedElement(); [/CODE] Have you looked the API for JList, or examples? EDIT. Why don't you put "My Object" as a String attribute in the class MyObject and loop the JList and search by that? JList Question? Multiple Selection 14 Years Ago by sariberri ….swing.*; import javax.swing.event.*; // This demonstrates a Single Choice JList. The choice is displayed in a label public class Grades1… extends JFrame implements ListSelectionListener{ private JList list; private JLabel jlab; private BufferedImage image; private int w… JList, get String value 12 Years Ago by Stjerne …list for registration. In the GUI, I'm using JList. The thing is, I want to put all …my books I register into the JList, and whenever I select one of the books,…ListListener implements ListSelectionListener { public void valueChanged(ListSelectionEvent e) { JList list = (JList)e.getSource(); // I don't know how to select… Re: JList update problem 14 Years Ago by JamesCherrill [QUOTE]JList() Constructs a JList with an empty, read-only, model.[/QUOTE] The API says it all. Re: JList update problem 14 Years Ago by JamesCherrill … seriesPanel; private JScrollPane seriesPane; private JList seriesList; private JLabel lblSeries; private …); lmSeries = new DefaultListModel(); seriesList = new JList(lmSeries); seriesList.setPreferredSize(new Dimension(180, 380));… Re: JList, get String value 12 Years Ago by JamesCherrill …'t have to use Strings to populate a JList - you can use any Objects. JList by default will use the objects' toString… the list. . So you can add Book objects to the JList - Then `list.getSelectedValue()` will return the Book object itself, and… Re: JList & JFileChooser 15 Years Ago by javaAddict Because you add it only to vector and not the JList: [CODE] gf.vf.add(file); [/CODE] You added it successfully to the Vector but where is the code that adds it to list? JList update Inconsistent 14 Years Ago by litchi …problem is: everytime I update or delete an entry, the JList gets "refreshed" by this: [CODE] private static…println("Exception: " + e.getMessage()); } listRef(); // <------ Refreshes JList }[/CODE] Update: [CODE]try { String selectStatement = "UPDATE test SET… Re: JList update problem 14 Years Ago by Ezzaral It looks to me like your code should work just fine. Are you sure that you aren't resetting the model at some point after listSeries() has updated it? The add() method automatically fires an event that should keep your JList updated with the model. Re: JList update problem 14 Years Ago by bleedi … add() method automatically fires an event that should keep your JList updated with the model.[/QUOTE] Nope, there isn't happening… Re: JList update problem 14 Years Ago by bleedi [QUOTE=JamesCherrill;1376445]The API says it all.[/QUOTE] I tried to replace the constructor call with "= new JList(lm)" without any better results.