Dynamic « JTable « Java Swing Q&A
1. Dynamically added JTable not displaying stackoverflow.comJava Newbie here. I have a JFrame that I added to my netbeans project, and I've added the following method to it, which creates a JTable. Problem is, for some reason ... |
2. JTable selection change event handling: find the source table dynamically stackoverflow.comI've implemented my own event handler and added it to the selection model of the table: |
3. Dynamically changing the column header text in JTable stackoverflow.comI have a table with 3 columns which have the following values in the headers: 'No.', 'X [mm]', 'Y [mm]'. This table contain the coordinates of points in millimeters. I have ... |
4. How to increase the height of Textarea in jtable dynamically stackoverflow.comI have a standalone application in which I have a Jtable. In my table, when I type the text, the height of the Textarea should increase dynamically with the text. ... |
5. Adding Columns to JTable dynamically stackoverflow.comI have an empty JTable, absolutely nothing in it. I need to dynamically generate its table columns in a certain way. A simplified version for the code I have for my ... |
6. JTable change the row height dynamically stackoverflow.comi am having trouble changing the height of the my rows dynamically, is there a method i need to overload? --Edit-- Sorry for the short post it was my first ....My problems was ... |
7. How to adjust components and JTable in a JFrame dynamically? stackoverflow.comWhen i try to hide the rows in a jTable, the jTable ScrollPanel need to adjust its size to remaining rows and, other components in the Frame also adjust to the ... |
8. java swing: how to create dynamically columnizing table? stackoverflow.comHow would you go about creating a java swing table, which automatically creates a new column whenever a column item is added ? For example, adding "Id", would intially add a Id ... |
9. hi, i want to add rows dynamically to my JTable that is alredy filtered? stackoverflow.comim using Jtable and i filtered rows but i cant add aditional rows dynamically pls any one help me..Thank you. |
10. Dynamically changing number of columns in a JTable stackoverflow.comI have a |
11. Paint and Repaint of dynamic JTable Model stackoverflow.comI face an issue right now. I have a swing application that has multiple tabs. Every data is updated regularly using Threads and paint() or repaint() functions cause every tab kinda implements the ... |
12. Java JTable Problems stackoverflow.comI've scoured the internet looking for bits and pieces of a solution to my problem, but I haven't seemed to come up with anything yet, and I've really been struggling to ... |
13. Print a grouped jTable having repetative column header stackoverflow.comHow should I print report for the dynamic groupable jTable as given below:
First Column:
|Student Name| |
14. Creating a Java Table Model which is initially empty but allows dynamic addition of rows by user stackoverflow.comI am making an application whose main function is encompassed in a JTable. I need to make an accompanying table model with an addRow method, the user enters details in the ... |
15. Dynamically change the cell height in JTable with a GridBagLayout stackoverflow.comI run into a problem where I have a JTable laid out using GridBagLayout manager and the number of rows in the table is not fixed. I intend to fill the ... |
16. JTable with dynamic rows,combo box (with autocompletion) stackoverflow.comI am trying to build a JTable where I need to implement two things 1) A JComboBox for all the values in a particular column. Also, this JComboBox should have autocompletion 2) ... |
17. How to implement dynamic GUI in swing stackoverflow.comFirst of all, apologies for posting something perhaps a bit excessively specific, but I'm not very experienced with Swing, and can't seem to find good examples that fit my needs. So I'm ... |
18. Auto resize the widths of JTable's columns dynamically stackoverflow.comI have a JTable with 3 columns: 
and I want the JTable able ... |
19. Display a dynamically changing arrayList of objects with 4 string fields stackoverflow.comI would assume that I should use a jTable. I tried this, but I can't for the life of me figure out how to append, insert and delete rows without a ... |
20. Need to add JCheckBox In JTable Dynamically stackoverflow.comI have two |
21. Can I change the rows, columns of JTable dynamically I attached a code in github? stackoverflow.comI cannot get the JTable dynamically. When I change the value of the rowcnt and colcnt ... Plz check the program in given link and help me to do so. I just ... |
22. Dynamic layout with expandable cells stackoverflow.comI'm really stuck with a layout I have to make with java swing. I have to build a dynamic form, while iterating through a vector of labels and input components. Here is ... |
23. creating a grid of rectangles dynamically stackoverflow.comI wanted to create Conway's Game of Life. I read the Java 2d API, but the Graphics class only provides methods to |
24. Dynamic JTable Headers? coderanch.com |
25. Dynamic JTable coderanch.com |
26. Dynamic JComboBox within JTable coderanch.com |
27. changing color of one row dynamically coderanch.comhi stella thanx a lot. i can able to change the color of one cell.not the entire row. badly i need it.i have a demo on monday.plz give me the sample code . i just put my code . and i have one more major bug.whenever the table gets updated by new data its not repainting properly throwing some nullpointer exception. ... |
28. dynamic swing tables ?????????? coderanch.com |
29. Dynamic JTable coderanch.com |
30. Dynamic generation of row jtable coderanch.comif you are using an abstract table model like this: class myDataModel extends AbstractTableModel { protected String[] columnNames = new String[] { "col1", "col2" }; Object[][] myData; int[] editAble; final int editColumn = 1; myDataModel( Object[][] myData ) { this.myData = myData; } public int getColumnCount() { if( columnNames != null ) return columnNames.length; else return -1; } public int getRowCount() ... |
31. Dynamic generation of row coderanch.com |
32. Dynamic JTable coderanch.com |
33. Dynamic update of a JCombox in a Jtable coderanch.comHello, Here is my big problem of the day. I have a table with two column, one of it being editable via a jcombobox which presents the user with a list of allowed value. My problem is that I need to compute this list "on demand", that is each time the user ask for the combo to be dislayed for one ... |
34. JTables & dynamic update coderanch.comI'm trying to write a small program for use as an invoicing package. I'm trying to use the JTable as an input field for the invoice. What I want to do is let the user input a value in, e.g. cell (0,0) (top left) of the table, and upon pressing the enter key I want to fill the other columns of ... |
35. adding dynamically rows in JTable coderanch.com |
36. Dynamically adding columns and rows to JTable using AbstractTableModel coderanch.com |
37. How to dynamically add arrow button with pop up in the cell of JTable coderanch.comYou're going to have to make a TableCellRenderer and TableCellEditor from JComboBoxes. Here's some sample code I whipped up that does this: import java.io.Serializable; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableCellRenderer; public class TestTable extends JFrame { public TestTable() { JPanel tablePanel = new JPanel(); tablePanel.setLayout( new BorderLayout() ); JobTableModel jobTableModel = new JobTableModel(); JTable table = new ... |
38. Is JTable dynamic (-urgent-) ? coderanch.comHi, I want to insert some data from a txt-file in a table. If I use the object[][] I must know what data I have to insert there. How can I insert data to the table when I don't know how many cols I have? Please help, thanks! [This message has been edited by Brain Tenner (edited December 14, 2001).] |
39. JTable Dynamic - Urgent coderanch.comHere is my first table I ever created, it works by connecting to a MS Access database, which connects using ODBC connection. Note; This code was only done to verify I could make it work, thus it should be commented and organized a little better. The retrieveData routine section is the database call. import java.awt.*; import java.awt.event.*; import java.util.*; import java.io.*; ... |
40. Dynamic TableModel coderanch.com |
41. Dynamically increasing row height in JTable coderanch.com |
42. JTable (Dynamic increase of rows coderanch.com |
43. Adding columns dynamically to JTable problem coderanch.com |
44. change JTable cell background color dynamically coderanch.comYou need a custom TableCellRenderer like this one (taken from a project so it won't work for you, but anyway it's a CellRenderer): public class MainTableCellRenderer extends JLabel implements TableCellRenderer { private static Border noFocusBorder; MainTableModel model; Color foreground; Color background; MainCoil coil; public MainTableCellRenderer(MainTableModel model) { this.model = model; noFocusBorder = new EmptyBorder(1, 2, 1, 2); setOpaque(true); setBorder(noFocusBorder); setFont(Constants.plainFont); } ... |
45. Dynamic JTable Headers? coderanch.com |
46. Enable/disable table cell editable dynamically. coderanch.com |
47. Dynamic JTable coderanch.comI've tried everything, including a search on the ranch but I couldn't really find a good example to get me started. Simply put, what I need to do is make a JTable dynamically grow by taking selected rows from some other table. I'd appreciate if you could tell me what goes in the addSelectedmethod in the code below. I'd also like ... |
48. Dynamic generation of columns required in JTable. coderanch.com |
49. dynamic rowheight for JTable coderanch.comI use this code when a value changes to calc row height. You will need to determine when to call this. It works for the most part. I haven't devoted the time to make it perfect. Might save you some time. note = dataModel.getValueAt(row, dataModel.TEXT).toString(); // Reliable way to calculate how long a field is Graphics2D g = (Graphics2D) notesPanel.getGraphics(); FontRenderContext ... |
50. Dynamic JTable rows coderanch.comI am attempting to write a program to track serial numbers of products that are sent out on sales orders. This really isn't for anyone, it is just something I came up with based on an experience I had at the place I worked while I was out of school for Christmas. Anyway, I am trying to use a JTable to ... |
51. Dynamic JTable coderanch.com |
52. Adding Column Dynamically to JTable coderanch.comKriti, Allow me to suggest an easier way (in my opinion): use the "addColumn()" method of class "DefaultTableModel". Here is an example. The below code will display a "JTable" and a "JButton". When you click on the "JButton", an extra column will be added to the "JTable". [Written, compiled and tested on Windows XP with J2SE SDK 1.4.2_04] import java.awt.BorderLayout; import ... |
53. Implementing a Dynamic JTable coderanch.com |
54. Dynamically redrawing columns in TableViewer coderanch.comHi, Does anyone know how to reset column names, properties, etc dynamically. For instance, my application allows the user to add rows as well as columns. When a new row is added to the input, it appears in the table viewer upon refresh(). But what do I have to do to force a new column to appear when the user chooses ... |
55. adding rows to table dynamically coderanch.com |
56. how to add Columns dynamically to JTable coderanch.com |
57. add row to a table dynamically coderanch.com |
58. JTable ClassCastException: Add rows dynamically coderanch.comHi Everyone, Heres what I wrote to implement a simple JTable. import java.io.*; import java.util.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.table.DefaultTableModel; import java.sql.*; public class TablePopulation extends JFrame { JTable table; Vector cols; Vector rows; JScrollPane scrollpane; DefaultTableModel model = new DefaultTableModel(new Vector(), new Vector()); TablePopulation() { Container contentpane = getContentPane(); contentpane.setLayout(new FlowLayout()); cols = new Vector(); cols.add("Name"); cols.add("Age"); ... |
59. SWT dynamic columns coderanch.comHello all, I have requirement where i need to split one column into multiple sub columns dynamically, depending on that value typed in one of the cell. For eg -------------------|----------------------|------------------ [B]Expression[\B] | [B]Domain[\B] | [B]Value[\B] -------------------|----------------------|------------------ car.horsepower | [0-21];[21-25] | person.age | | car.make | | If there are 2 possible values separated by ";" typed under Domain column, then the ... |
60. dynamic jtable coderanch.com |
61. Change JTable's row background dynamically coderanch.comHi all, I need to do tricky stuff but totally lost on how and where to start. I have a JTable in my application to which I'll be adding some rows dynamically based on some events. I have used my own table model class (which extends DefaultTableModel) and also implemented a TableCellRenderer to construct the table. Now I need to change ... |
62. dynamic JTable width (not column,table) coderanch.com |
63. getting text area rows dynamically coderanch.com |
64. Dynamic Filling up Jtable for Database coderanch.comHi, I am new to Jtable and experiencing a hard time to achieve following thing. I have two pane One pane has the Search buttong and below it i have 2nd panel which will hold the result. I want to show the result in table ( due to my limited knowledge on swings, i can only think of showing in table ... |
65. JTable dynamic column problem coderanch.com |
66. How to add rows to jTable dynamically? coderanch.com |
67. Displaying JRadiobuttons with Jtable dynamically. coderanch.com |
68. Dynamic size of JTable coderanch.comyou can show the table's data in a textArea, but you'd need to: set the font to monospaced (or get into the area of fontMetrics, which adds complexity) add a fixed length 'pad' of say 20 spaces, which you'd manipulate along with the length of the string to be displayed from what you've described, it still seems easier to match the ... |
69. Dynamic creation of custom filter based on the columns visible in the tableColumnHeader coderanch.comhello, I am trying to create a custom filter based on the columns visible in the table column header at any point of time.The custom filter has the column names.i have a jpopupmenu having all the column names with checkboxes against them which appears when user clicks on the table column header...when user unchecks any of the checkboxes the column disappears ... |
70. Can anyone help me out to set image to JTable dynamically. coderanch.comYou can change the appearance of a table cell by using a custom renderer for your table cells. You'll also want to not allow the cell to be editable which can be done by overriding isCellEditable method of your table model and have it return false for the locked cells. Edit: welcome to JavaRanch by the way! I think though that ... |
71. How to change the colour of an JTable Cell dynamically coderanch.comHI pete stein , Sorry i was not able to give different colors to certain rows by custom TableCellRenderer..could you please give an example to do it. before i was able to colour certain rows using prepareRenderer.but the problem was that i was not able to colour certain cells after that by using custom TableCellRenderer...can you please help me out.. Thanks, ... |
72. dynamic update of JTable coderanch.comso many searches in google about this topic . . some examples are more far than my requirement. but i cant conclude how to update my table's data . . . please help . . . every time i am creating a new model and setting to the table, and that is not updated in the view. in some example revalidation() ... |
73. How to get a value from a JTable to show up dynamically in a JPanel ? coderanch.comI would like the sum of values entered in the JTable to show up in the adjoining JPanel. (Also posted on forums.oracle.com - http://forums.oracle.com/forums/thread.jspa?threadID=1359375&tstart=0 import javax.swing.*; import javax.swing.table.*; import javax.swing.event.*; import javax.swing.table.DefaultTableCellRenderer; import java.awt.*; import java.util.*; import java.awt.color.*; import java.awt.event.*; public class TableandPanel extends JFrame { public static void main(String[] args) { JFrame frame = new JFrame("Table and Panel"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(100, ... |
74. Dynamically adding amount of objects in one jTable deppending on rows of another coderanch.comI am basically creating a type of register where there is two JTables, the first JTable retrives data from a MYSQL database and the second JTable is just full of rows with a boolean tick box in it so that they can be classed as present or not. I have tryed a few things but so far nothing has worked and ... |
75. Dynamic JTable java-forums.org |
76. dynamic generation of tables java-forums.orghi i am able to dynamically generate tables when i click a sub menu item. but when i click another submenu item i am not getting the table data. i think somewhere i am missing revalidat() or repaint() methods. where exactly i should place these methods i dont know. i used revalidate() method after the table is attached to the panel ... |
77. Dynamic Refresh in JTable every 5 Minutes java-forums.orgI have developed JTable and it displays the data in table. But i want the Jtable to update the content every five minutes and the newly added Records(data) should be always at first and old records Should be below (Similar to Stack Opeartions) Record is read from the txt file.the txt file updated every three minutes. So kindly Give an idea ... |
78. dynamic JTable not working.. java-forums.org |
79. Dynamic creation of custom filter based on the columns visible in the tableColumnHead java-forums.orghello, I am trying to create a custom filter based on the columns visible in the table column header at any point of time.The custom filter has the column names.i have a jpopupmenu having all the column names with checkboxes against them which appears when user clicks on the table column header...when user unchecks any of the checkboxes the column disappears ... |
80. selecting column names dynamically from table column header java-forums.orgTable Column Manager allows the user to right click on the table header to control which columns are visible. Java Code: import java.awt.*; import java.util.*; import java.awt.event.*; import javax.swing.*; import javax.swing.table.*; public class TableColumnManager implements MouseListener, ActionListener { // private static final String HIDDEN_COLUMN = "HiddenColumn:"; // Reference to the Singleton instance of this class private static TableColumnManager singleton; ... |
81. Dynamically changing the contents of a jTable java-forums.orgis it possible to reload the contents of a jTable without instantiating the class where the table itself resides?. I have a jtable that can hold table data. at startup it has the data from 'TABLE 1', what I would wish to do is to change the content of the jtable to 'TABLE 2'. I have a method that I use ... |
82. Adding and Deleting rows in jTable dynamically? java-forums.orgPlease suggest me how to synchronize a table in GUI with a table in MySQL database...... Particularly i need to refresh my table automatically as i changed the rows or entity in MySQL table.... Or more simply talking, i need to add rows in my jTable as per change in MySql table.... Please help me.... |
83. how to create row dynamically into jtable on netbeans java-forums.org |
84. How to dynamically refresh jtable in Netbeans ide? java-forums.orgThanks in advance for your help! I created a Jtable in Netbeans IDE 7.0.1 which pulls its data from a remote postgresql database. How can I get the jtable to dynamically update to display any changes in the database. Here's my code: package TablePackage; import java.awt.BorderLayout; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import javax.swing.JFrame; import javax.swing.JScrollPane; import ... |
85. Dynamic bar chart in a JTable's cell jfree.orghmd01 wrote:How can i display a dynamic bar chart in a JTable's cell? i'v read somewhere that i'v to subclass the ChartPanel class, and make the subclass implement the TableCellRenderer interface, and overrid the getTableCellRendererComponent method. can you help please ! Maybe it is better to use a component that weights less. What about using a plain JComponent and have it ... |
86. dynamic JComboBox inside a JTable forums.oracle.com |
87. JTable: Dynamic row insertion? forums.oracle.com |
88. Java Swing-how to get a value from a JTable to show dynamically in a JPanel forums.oracle.comNope this is not homework and not copied from html. I just tried to make this simpler than what my application actually is. The objective is to get a value obtained from a JTable to show up in JTextField that is in a JPanel. I can't figure out how to do that. As for the html tags - I was just ... |
89. How to add new row for JTable dynamically. forums.oracle.com |
90. Inserting row and row data dynamically with vector in JTable forums.oracle.comimport javax.swing.table.*; import java.util.*; import javax.swing.*; import javax.swing.event.*; public class TheTableModel extends AbstractTableModel { private Vector Data = new Vector (); private int NBR_OF_COLUMNS; private int EXPAND_SIZE = 200; private int Rows = 0; private String[] gcolumnNames = null; public TheTableModel ( String[] ColNames ) { NBR_OF_COLUMNS = ColNames.length; gcolumnNames = ColNames; Data.setSize ( ( EXPAND_SIZE + 1 ) * NBR_OF_COLUMNS ... |
91. Refreshing JTable dynamically forums.oracle.comI am writing a program for Crawling in Java. There I am using JTable to list out the Crawled URLs. Dynamically I am adding URLs to JTable. But it is not showing them until I drag/move the columns. Even I am trying to remove and add the JTable component again to the frame. Still it is not refreshing. Plz give solution ... |
92. Swing - Add column dynamically to a JTable forums.oracle.comHi, All what I want to do is to append a new column every time I click on a JButton. I use DefaultTableModel, I've seen that the method addColumn calls fireTableStructureChanged() at the end, which reset all values of the ColumnModel. In fact, this is the problem.. all columns are re-dimensioned to the default values and I don't know how to ... |
93. Dynamic JTable forums.oracle.comHello Dr Laszlo Jamf , thank you for the example code. The code you gave me contains the function I need. But I have problem using it in my remain code, so I can't embed it without having an error. I have an SQL Statement, that returns a Resultset. I want to display this resultset in the JTable. I can't pass ... |