1. JTable coderanch.com |
2. JTable coderanch.comI've been trying to get a JTable to appear. Unfortunately only a blank screen appears. I have 6 records in my test database. When I checked my dataModel with getRowCount and getColumnCount, it does show my 6 records and my 6 columns. What am I missing? Enclosed is a copy of my code. import java.awt.event.*; import javax.swing.*; import java.util.*; import java.sql.*; ... |
3. JTable coderanch.com |
4. JTable - URGENT !!!! coderanch.com |
5. JTable:Immediate solution required coderanch.com |
6. JSplitPane, JTable coderanch.com |
7. JTable coderanch.comI have a JTable. When a row is clicked on I want to be able to get the value of column "A". This works. The problem occurs when the user moves the column "A" around, such that the order would be "B", "C", "A", "D". I tried this : table.getValueAt(table.getSelectedRow(), table.getColumn("A").getModelIndex()); The problem is that the model index for "A" is ... |
8. Autoscroll mechanism in JTable coderanch.comI am trying to override the behavior of the autoscroll function in JTable when extending the selection. Currently, it appears as though the autoscroller finds the cell in the table that would be under the mouse, and with each timer cycle, scrolls it to be visible. This gives nice dynamic scrolling speed, if your window is significantly smaller than the screen. ... |
9. JTable(URGENT SOS) coderanch.com |
10. JTable coderanch.com |
11. Fonts in JTable coderanch.com |
12. JTable coderanch.com |
13. JTable coderanch.com |
14. JTable.setRowHeight() Bug? coderanch.comHi if row heights of individual rows are adjusted, then the table does not add new rows afterwards. I ve got a simple swing panel here that reproduces the behavior. Hit "add"/"remove rows" buttons, then hit "set row sizes" button and try to add/remove rows again Thanks Eckard ------------ package untitled1; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.table.*; public class ... |
15. JTable coderanch.comYou should have a reference of the frame so that you can access it whereever you need. I guess the frame is the main application frame. So it can be singleton. What I would do in this scenario is... class MyFrame extends JFrame { private static frame MyFrame; private MyFrame () { } public static getFrame() { if (frame == null) ... |
16. JTable ........ coderanch.com |
17. jtable coderanch.comi don't know the language and because i am so far in the gui process, i wouldn't want to go back and redo everything just when it is working right. here's the situation: i have a table with no data in it when the gui comes up. once the user submits a query, the table should then fill up with the ... |
18. jtable coderanch.comi hava a frame with a refresh button. refresh simply resubmits the current query and updates the table with new info if it is available. well..., my refresh button works, except when i refresh, my columns got to a smaller widht that may be one character long. and if i submit a query the data on the table doesn't change. it ... |
19. JTables and JScolPanes coderanch.comHi, I have a JTable with 5 columns. I want to restrict the size of the first 4 columns (done) and have the last one expand to fit the data in it, but I want the viewable area to remain the same and a horizontal scrollbar to appear at the bottom so that I can scroll along to look at the ... |
20. JTable coderanch.com |
21. JTable coderanch.com |
22. JTable + Activating EditMode by cursorkeys coderanch.comHello ! Ive got the following problem: I wrote a JTable class, where the editmode of the table should be activated by the cursor up/down keys. To achieve this, I "overloaded" the valueChanged ( ListSelectionEvent le ) method, which is used to manage changements in the selection of the tree. Then I wanted the TextField to get the focus and used ... |
23. Jtable as listbox? coderanch.comHi, I am using a jtable to format 3 columns of data, allow you to click on title and sort the whole list by one particular column, and then click on a row to select that row. Here are my questions (thanks ahead of time: 1) Is this a good use for jtable, or should I be using some other 'list ... |
24. JTable in a JViewport coderanch.comHi everybody! I have a problem when inserting a new row into the table's model. I want the table to insert new rows at the table's top and display the table's end. This works fine when starting the gui in VisualAge for Java, but when starting the gui from the console (Java 2 Runtime Environment, build 1.3.0_02, mixed mode) the table ... |
25. rowcentric JTable coderanch.com |
26. Swing /JTable coderanch.com |
27. Pressing Enter In JTable coderanch.com |
28. JTable coderanch.com |
29. How to make JTable non docable? coderanch.com |
30. JTable Skewed view... coderanch.com |
31. JTable... Urgent! coderanch.com |
32. JTable coderanch.com |
33. About JTable coderanch.com |
34. JTable fireTableStructureChanged coderanch.comI'm trying to use JTable overiding the headerRenderer among other things. I'm also hiding and unhiding columns using the setPreferedWidth() etc. based on users selection via radio button. The first time the table is painted all is fine. But when I try to unhide a column by changing the width, then I have a problem. I tried firTableDataChanged() gives me the ... |
35. JTable troubles coderanch.com |
36. JTable coderanch.com |
37. JTable functionality coderanch.comHere's some code that should help you out... import java.awt.*; import java.awt.event.*; import java.util.*; import javax.swing.*; import javax.swing.table.DefaultTableModel; public class TableHandler extends JFrame { private JTable table; public TableHandler() { table = new JTable( new MyTableModel() ); table.addMouseListener( new TableClickHandler() ); JScrollPane sp = new JScrollPane( table ); getContentPane().add( sp, BorderLayout.CENTER ); pack(); setVisible( true ); addWindowListener( new ExitHandler() ); } ... |
38. JTable particular info needed coderanch.com |
39. JTable coderanch.com |
40. Why doesn't this JTable work?? coderanch.comHi , I have an urgent problem. I'm trying to create a JTable (my first). I'm using the following code, however I keep getting the errors listed below. Can someone please tell me why? import java.awt.*; import javax.swing.*; import java.util.*; import javax.swing.table.AbstractTableModel; public class BitMapDisplay1 extends JPanel { static ISUP isupMessage = null; //private JScrollPane bitMapPane; private JPanel forBitmap; public BitMapDisplay1(ISUP ... |
41. JTable... coderanch.comHi!, Thanks ever so much for your reply! I've been trying to get through this problem for a while and it's getting to me now! Because it's my first attempt at a JTable, I was not sure if what I did was right...I thought it was but when I got the errors...oh well! Anyway, I will refer to the site you ... |
42. viewing large Jtable coderanch.com |
43. JTable coderanch.com |
44. JTable coderanch.com |
45. columnwidth in JTable coderanch.comHello All, I have table with 3 columns. i want to set the columnwidth to dynamically,based on the screen size. i.e i know what % of the screen size a column will take! Based on these values and based on the screen size i would like to set the values for columnWidth. But my doubt is , for a column which ... |
46. JTables coderanch.com |
47. about JTable coderanch.com |
48. JTable coderanch.comI have created JTable which reads the data from a File using FileChooser. The only thing which is working for me is that I have to ask user at command prompt to choose the file which has data. Once they choose the file I am able to show the Table in a frame with and a menu i am using the ... |
49. JTable switching coderanch.comOK, here is the code that I am trying to get to work correctly. Please advise. Thanks! /******* TableTest.java *******/ import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.awt.Graphics; import java.net.*; import java.util.*; import java.io.*; import javax.swing.border.BevelBorder; import javax.swing.event.ListSelectionListener; import javax.swing.event.ListSelectionEvent; import javax.swing.table.*; class TableTest { private JFrame mainframe = null; private JPanel contPanel = null; private JMenuBar menuBar = null; private ... |
50. JTable fireTableChanged() calling clearSelection()? coderanch.comHi, I'm working on an application where an asynchronous process is populating a JTable. However, the user can pre-select a row on the table. (Long story) I store the row number for the pre-selected table, and I've defined a listener that will select the row when the table has been populated and does a fireTableChanged(). What I'm seeing, however, is that ... |
51. JTable in a JTabbed panel coderanch.com |
52. Is DnD in JTable really impossible? Need good arguments! coderanch.comI am doing an application that needs Drag&Drop for reordering within a JTable. It's needs to be done with multiple selection, so the use-case is like this: 1) Select a group of rows, spread out over the table. 2) Within the same table, drag the rows to a new position. The rows are moved to new position. Pretty simple, I should ... |
53. JTable coderanch.com |
54. setSelectedItem for JTable coderanch.comHi Chantal and Michael Thanks for helping me out. My problem is solved with setSelectionInterval(index,index) method of ListSelectionInterface. However, chantal as you discussed about the visible range of scrollpane, that problem still persists because i am not able to take the reference of scrollpane in my action performed (because i have made scrollpane as a local method variable, however myTable is ... |
55. about JTable coderanch.com |
56. Regarding JTable(Urgent please) coderanch.comHi everybody, In my project I want to show some information in a table which I don't want the user to modify. For this I want to know 2 things : 1)How to populate data in a table dynamically. 2)How to lock the whole table frmo editing. Please reply URGENTLY. Thanking everybody |
57. JTable coderanch.comAttach listeners to the table and see when events are being fired. You may be adding data to the table, but the table doesn't know it's data is changed. Resizing forces the table to re-validate itself... you can attach listeners and call validate() when the table gets new data in your code... |
58. how to create a read-only JTable coderanch.com |
59. JTable in DefaultMutableTreeNode coderanch.com |
60. [URGENT]JTable coderanch.com |
61. JTable addColumns not showing up in table coderanch.comI was just going through my notes (I haven't worked with Swing lately) and found that it was more complicated then I thought. I ended up having to create a subclass of AbstractTableModel. This was for a JavaUnzip utility similar to WinZip. Here is the code for the AbstractTableModel class: import javax.swing.table.*; import javax.swing.*; import java.util.*; import javax.swing.JLabel; import java.io.*; import ... |
62. getClickCount always returns 1 for JTable coderanch.com |
63. Setting DecimalFormat in JTable coderanch.com |
64. jfc/swing/JTable coderanch.comThere are many simple ways. Here is a utility class that you can use as is or grab ideas from. import javax.swing.*; import javax.swing.border.*; import javax.swing.table.*; import java.awt.*; /** Static utility functions for doing useful things to JTables */ public class JTableUtilities { /** number of pix on each side of icon in a fixed width column header. */ public static ... |
65. JTable coderanch.com |
66. JTable coderanch.com |
67. SWING+JTABLE(Urgent Please) coderanch.com |
68. FocusListener on JTables coderanch.com |
69. JTable coderanch.com |
70. About JTable coderanch.comHave you ever considered that it might actually be easier to simply combine the header cells from 2 columns into 1 cell. That way you could just leave the rest of your table alone and only the top row(your headers) would have to be special case. That said, since I haven't used JTable directly(I'm using one that comes in a commercial ... |
71. JTABLE's valuchanged method? coderanch.comI understand, that the value changed method is called only internally by Jtable... so that it can respond when users click on particular rows... so it will changed the display by highlighting on the particular row... Now can i override that method so that in addition to highlighting the particular row, i will do my program -specific task... because that task ... |
72. JTable coderanch.com |
73. How do I get the JTable to show @#!$% coderanch.com |
74. JTable coderanch.com |
75. JTable and InputVerifier coderanch.com |
76. JTables again coderanch.com |
77. JTable, reloading the table... coderanch.comUpdate... I'm not sure how to update the table, so I'm just using the setValueAt methods from the TableModel object. Problem is my event code continues to run in a loop because I'm changing the table inside of my tableChanged event. Does anyone know how I can get this to work like I want to? public void tableChanged(TableModelEvent event) { Student ... |
78. JTable updation on the run coderanch.com |
79. Combo in JTable coderanch.com |
80. No editting to the JTable coderanch.com |
81. Complex crosstab in JTables coderanch.comIs anyone aware of the availability of a component that will allow complex cross tab type data to be displayed **and** interacted with based on a JTable. It is a requirement that complex tables be supported, i.e. the data cells within the table should be able to contain multiple values either horizontally or vertically arranged. Full font formatting is also required. ... |
82. JTable coderanch.comI am trying to create a Jtable using Vectors. When I compile the code I get the following error. What is the cause of this error? C:\j2sdk1.4.1_04\bin\dev\Table>java SimpleTableDemo Exception in thread "main" java.lang.ClassCastException at javax.swing.table.DefaultTableModel.justifyRows(DefaultTableModel.jav a:238) at javax.swing.table.DefaultTableModel.setDataVector(DefaultTableModel.j ava:194) at javax.swing.table.DefaultTableModel. |
83. jtables[] coderanch.com |
84. Currency in JTable coderanch.com |
85. JTable coderanch.com |
86. JTable coderanch.com |
87. JTable rotate coderanch.com |
88. Frustrating : JTable won't show. coderanch.comHi, I modified my working code to put the table definition in a "sub-class" TableDefinition(), but the table is not displayed anymore that that although it compiles error-free. It's been pretty frustrating the whole day. Any pointers and hints will be much appreciated: import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JApplet; import javax.swing.JLabel; import java.awt.*; import java.awt.event.*; public class ... |
89. JTable coderanch.com |
90. JTable coderanch.com |
91. newbee with JTable coderanch.comSorry to bother the forum with this stupid question, but alas I don't find the answer myself. I have a Jtable with a DefaultTableModel. My application saves the data of the jtable by serialisation. Works well, except that the last entry is often not saved. After I have edited a cell, i have to click on another cell, just to "validate" ... |
92. JTable behaviour coderanch.comhi all, what i need to achieve is that 1) when i press tab next cell should be selected (which is defaultly handled) 2) as i press a key the caret/blinking cursor should be visible in the cell and 3) i should be able to move my caret/blinking cursor in editing cell with the help of right/left arrow keys how can ... |
93. JTable(!!!) coderanch.comHello ! I am new in JAVA PROGRAMMING and I really need your help. PLEASE HELP ME WITH MY PROBLEM. I have two Jtable with two TableModel.My first Table is just like the (ExpenseReport table) that you can find here : http://www.cscc.de/books/swingbook/files/uts2/Chapter18html/Chapter18.htm 18.8 Custom models, editors, and renderers. I have three buttons(Insert, Delete and Copy).I want that user be able to ... |
94. JTable emergency!! coderanch.comAnalysisPanel () { setLayout(new BorderLayout()); for(int i=0; i<5; i++) { if(GUI.mainGUI.inputPoints.completeBoolean[i]) { noneComplete = false; nDone ++; } } if(noneComplete) { add(new JLabel("no heuristics have been completed"), BorderLayout.CENTER); } else { //tableModel tModel = new tableModel(nDone); //System.out.println("table model created"); createTable(); //table = new JTable(rows, columnTitles); //table.setPreferredScrollableViewportSize(new Dimension(200,200)); //table.setOpaque(true); //JScrollPane scrollPane = new JScrollPane(table); System.out.println("table created"); table = new JTable(rows, column); add(table, ... |
95. how to put ImageIcon in JTable coderanch.com |
96. Jtable focuslost coderanch.comHello All, I have a JTable. I then type in the data in the table that I want to update to my database, but on the last textfield in the JTable I have to tab away from it in order for my data to be uploaded properly, if I don't tab away from it I donot get the data that I ... |
97. JTable coderanch.comHello All, On the last cell inside my JTable I have to Tab away from that cell in order for that cells data to be counted. Is there a way where I can get all the data from each cell without having to tab away from the last cell? Also when I click into a cell first of all it always ... |
98. setBorder not working on JTable ? coderanch.com |
99. why is my JTable not showing up? coderanch.comHello All, Why is my Jtable not showing up? Thanks Ben import java.awt.event.*; import java.awt.*; import javax.swing.*; import java.sql.*; import javax.swing.table.*; public class ComboBoxDemo extends JPanel implements ActionListener { static Connection conn; DatabaseMetaData DMD; JComboBox group = new JComboBox(); JComboBox groupList = new JComboBox(); static JTable tbl1; public ComboBoxDemo() { group.addActionListener(this); try { // Load the database driver Class.forName( "sun.jdbc.odbc.JdbcOdbcDriver" ) ... |
100. JTable blues coderanch.comHi there, I've got a JTable in which ppl can change some data. Before selecting anything else on the screen I want the data that is changed checked (ppl can change data in the same row without a problem, without checking..). So I added a List Selection Listener to the ListSelectionModel and it works like a charm.. almost.. If a user ... |