jtableheader

问题 I am developing small desktop application in java and using the Netbeans IDE . I want read data from JTextField and insert it in the JTable character by character. But issue is that JTableHeader is not available(means that header null). Suggest me some way to resolve this problem. 回答1: But issue is that JTableHeader is not available The table header is a separate component and is only created when you add the table to a JScrollPane. So instead of using code like: panel.add( table ); The logic

问题 I am developing small desktop application in java and using the Netbeans IDE . I want read data from JTextField and insert it in the JTable character by character. But issue is that JTableHeader is not available(means that header null). Suggest me some way to resolve this problem. 回答1: But issue is that JTableHeader is not available The table header is a separate component and is only created when you add the table to a JScrollPane. So instead of using code like: panel.add( table ); The logic

问题 I would like to put some extra merged cells for grouping reasons on the top of my table header. I found something similar to this, answered in thislink from this forum, but also what I need exactly seem to be here that is not answered (.NET) link2. So If I am not clear I attach a picture of what I would like to appear. I have the columns and I need to make appear these super-columns that I have drawn in the picture. Any help? 回答1: try the Groupable Table Header example given here or here 回答2:

问题 I'm trying to put background color on the JTable header but it seems that it doesnt change the header's color this is my code for my JTable.. what am I doing wrong? Color headerColor = new Color(25, 78, 132); itemTable = new JTable(){ public boolean isCellEditable(int row, int column) { return false; }; Color rowColor1 = new Color(99, 154, 206); Color rowColor2 = new Color(148, 186, 231); public Component prepareRenderer(TableCellRenderer renderer, int row, int column) { Component stamp =

问题 I've a JTable that I fill with a class that extends AbstractTableModel. The problem is that the columns are too short to display the column name. I've turned off Jtable AutoResizeMode property, but shortening still occurs. How do I solve this? 回答1: Setting off autoresizemode only prevent the JTable's coumns to be resized. To force a particular width retrieve the table column model: TableColumn column = jtable.getColumnModel().getColumn(col_num); and set the desired width: column

问题 I am using a JTable in my application and wish to have 2 rows for headings, similar to this: Is this even possible or will I have to do something else? If so, what? Using Supertitle-titleA, SuperTitle-titleB will take up too much space and make information redundant. 回答1: We had the same requirement in our last project. What I have found is an Implementation for a GroupableTableHeader on java2s.com. However, I have pimped it a bit, although I cannot recall what exactly. Beneath is the

问题 I have the following jqgrid subgrid: http://jsfiddle.net/mojarame/uDd9J/34/ I am trying to configure it like the following html table that has the jExpander Plugin http://jsfiddle.net/mojarame/S5V6C/12/ But the column headers in the first JS Fiddle Demo for the subgrid on the jqgrid are visible. How can I remove them? 回答1: The demo with jExpander Plugin don't display any subgrid in my opinion. It display common HTML fragment in the line below. I suppose that what you need is not to create

问题 I've spent quite some time searching for this and I've only found the GroupableHeader code. I need one header over 2 columns in a 2 column JTable . How can this be done without the use of the infamous GroupableHeader , while keeping the default look and feel of the `JTableHeader? This is a graphical representations of what I have in mind: _________________________ | Table Header | |-----------------------| | | | |-----------|-----------| | | | |-----------|-----------| 回答1: This depends on

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: Accessing a JTextField in JTableHeader How to make JTableHeader as editable. F.e. i make ColumnHeader as JTextField. What must i do to make JTextField editable. See the example: import java.awt.*; import javax.swing.*; import javax.swing.table.*; import java.awt.event.*; public class Test extends JFrame { String[][] cellValues = { { "v00", "v01", "v02" }, { "v10", "v11", "v12" }, { "v20", "v21", "v22" }, { "v30"

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.