jtable

问题 I have display the Jtable depends on the particular column from database and final two column in my jtable is image fields.How can i change the column dynamically without affect the last two column.please advise me.how to do. 回答1: Use Vector from java.util.Collection See this example from http://www.roseindia.com import java.sql.*; import java.util.*; import javax.swing.*; import javax.swing.table.TableColumn; public class JTableResultSet { public static void main(String[] args) { Vector

问题 I created a program to set an imageIcon in jtable fixed column, i created a jtable and getting a database records, then set a first column as fixed column. i set an image icon in fixed column. when i am compiling this program, i am getting only a path of the imageicon not getting an image. I fixed an imageIcon in project package folder. This is the code i used public void Frm_FlxD_Database() { try{ TmpRow=0; TmpMainPrj.PRJ_DB_CONNECTION_ASSGN(); TmpFlxMdl =(DefaultTableModel)FlxD.getModel();

问题 I have defined cell editors for the two columns in my table in the following manner: Java Code: JComboBox combo = new JComboBox(); //code to add items to the combo box goes here. JTextField textField = new JTextField(); textField.setHorizontalAlignment(JTextField.RIGHT); TableColumn column = myJTable.getColumnModel().getColumn(0); column.setCellEditor(new DefaultCellEditor(combo)); column = myJTable.getColumnModel().getColumn(1); column.setCellEditor(new DefaultCellEditor(textField)); The

问题 I created my JPopupMenu . It appears on my JTable when I right click on a cell. However, I cannot copy the data in the cell unless I first double click and then highlight the data, and then right click anywhere but this current cell to show my popup menu and copy option. I would like to copy the data in a cell without having to double click on a cell and enter into cell edit mode where I then need to select the data. How can I do this? popup = new JPopupMenu(); popup.setName("popupMenu");

问题 I have a JTable created with a DefaultTableModel, and I want to show an image when the mouse hovers over a particular cell of that JTable, and I need the image to be different for each cell. Thanks in advance 回答1: You can override prepareRenderer of the JTable and setToolTip for the cell/column/row component, and use some HTML for the tooltop, as see here and here For each different image you will need to get a different URL as the src of the img tag. You'll need to know some basic HTML for

问题 I am trying to create a buffered image from a table, when i add the table to a application frame and set the size I am able to view it properly but when I convert it into an image I can only see the first row with the table and the rest outside the table and without the header. The code generate the table is table = new JTable(); String[] table_header = null; TextAreaRenderer textAreaRenderer = new TextAreaRenderer(); table_model = new DefaultTableModel() { @Override public boolean

问题 I have a JTable that loads data from a database. Because sometimes there's too much data, I would like to add a loading circle inside the Jtable to notify the user that the data is being loaded. Here is an image of how I would like it to be: Is this possible? How can it be done in Swing? PS: I don't want to use the progress bar, I just want the circle inside the table. UPDATE: The table is part of the GUI and I only want to disable or show the loading inside the JTable and leave the other

问题 Right now my Boolean values for my JTable display as JCheckBoxes . This would normally be fine but I would like to display them as either an alternative String or image. I can get them to display as true/false but I would like to display them as a checkmark (✔) if true and nothing if false. Possibly an image but lets do a String first... 回答1: Create a custom renderer. Extend the DefaultTableCellRenderer and add your own code to display whatever you want. It could be a custom Icon or if the

问题 I have read through the majority of the JTable/JComboBox responses to other questions of this ilk, but haven't yet found a solution to my problem. I have created a table that has JComboBox TableHeader elements. None of the JComboBox elements will open to display a list of items. How do I get the item lists for the individual JComboBox elements to display? Please note that a distinguishing element of this question is that the JComboBox is in the TableHeader, not embedded within a JTable cell.

问题 I have a JList with items that I want to show two values. Is there a way to have it show a string name and then have a right justified string to show a value. Looking something like this: Title__________________120 Title2_________________135 Is it possible to pass in two string to an item and have the first string display on the left and the second one on the right? 回答1: Sure, implement a custom renderer. You might return a JPanel with BorderLayout as the rendering component, with the LHS