tablemodel

问题 Thank You Hovercraft Full Of Eels for making note of the fact that my question was full of a jumbled mess of code that was unlikely to be solved. Since then, I have created a "minimal" Test Program to display the issue: The Issue What I am looking to do is have a GUI that displays a table containing employee information, and also allows a user to do a live search of said table by typing into a jtextfield at the top of the gui. So I currently have a java class that creates a table and fills

问题 Thank You Hovercraft Full Of Eels for making note of the fact that my question was full of a jumbled mess of code that was unlikely to be solved. Since then, I have created a "minimal" Test Program to display the issue: The Issue What I am looking to do is have a GUI that displays a table containing employee information, and also allows a user to do a live search of said table by typing into a jtextfield at the top of the gui. So I currently have a java class that creates a table and fills

问题 I'm trying to implement the MVC on a test example. How can i update the table when there is a change Class: Model class valueUpdater extends Thread { private String sValue; public valueUpdater() { this.start(); } public String getValue() { return this.sValue; } public void run() { try { for (int i = 0; i <= 100; i++) { this.sValue = String.valueOf(i); try { Thread.sleep(2000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } catch (Exception e)

问题 In my JTable, all my checkboxes are in column 3. after I onclick a button, it will remove those rows that are checked. But however after implementing the functions in my onclick. It does not remove the the rows. The method for the button listener class DeleteBtnListener implements ActionListener { @Override public void actionPerformed(ActionEvent arg0) { for(int row = 0; row < table.getRowCount(); ++row) { if((Boolean) table.getValueAt(row, 3) == true) { myTableModel.removeRow(row); table

问题 I want to implement a scrollable List which is sorted alphabetically. As a reference I am using the Tree Screen sample which comes delivered with the Eclipse IDE. I changed the datatemplate to fit my needs and it works like a charm until you want to scroll. The whole UI gets messed up and I don't know what to do. I'm using JRE 7.1 and the Blackberry Simulator 9860 7.0 (I've also tested it on a real device). Does anybody know if this is a known issue or do I miss something? package lifeApp;

问题 in the java swing tablemodel, we are able to fire table changed, added, deleted etc. I am wondering if these method calls are expensive if the component is NOT in visibility? For instance, another window is covering it. Or its in an non-active tab. 回答1: To minimize the impact of firing a large number of update events, JTable renderering uses the flyweight pattern to render only visible cells. The approach is outlined here. This related example scales well into the thousands of rows, but you

问题 I'm now looking into JTables and have a bunch of business objects that I retrieve from the DB with Hibernate + Spring Data JPA. I love that Spring Data JPA handles all the cumbersome implementation of the DAL and was wondering if there's something similar for TableModel . Basically, I would have something along the lines of: public class GenericTableModel<T> extends AbstractTableModel And the GenericTableModel would use reflection and/or annotations to look into T . Does something like this

问题 We're seeing JTable selection get cleared when we do a fireTableDataChanged() or fireTableRowsUpdated() from the TableModel . Is this expected, or are we doing something wrong? I didn't see any property on the JTable (or other related classes) about clearing/preserving selection on model updates. If this is default behavior, is there a good way to prevent this? Maybe some way to "lock" the selection before the update and unlock after? The developer has been experimenting with saving the

问题 I created an initial JFrame that contains a table with three columns, as shown below: This JFrame was created in design mode, and so now in the panel's constructor, I want to load some data so when the user selects to open this JFrame, the data is loaded. My column data types are Object (generally 'Status' is for an image representing the status of the share - active or inactive), String for the share's name and integer for the number of active clients connected to that share. My question is,

问题 I should tell this first, this is NOT about Rendering a Table cell. Here is the TableModel that i'm building using a 2D array based on a User object in my DB. List<User> userList = userManagerService.getAllUsers(); /* String[] col_user = {"Username", "Name", "Phone", .... } */ String[][] data = new String[userList.size()][col_user.length]; int i = 0; for (User user : userList) { String[] userdata = new String[col_user.length]; userdata[0] = user.getUserUsername(); userdata[1] = user