| Q: |
How to sets column width of JDataGrid? |
| A: |
The JDataGrid provides this feature directly since 1.2, try the following code to set JDataGrid column width:
JDataGrid dataGrid = createDataGrid();
// set the default column width
dataGrid.setColumnWidth(100);
// set the column width at the specified column
dataGrid.setColumnWidth(2, 200);
|
|
| Q: |
Why must invoke reload method in ResultSetTableModel? |
| A: |
The ResultTableTableModel is loading data in background thread, invoke reload method will start the background thread and then loading data from data source, the will give a chance for set it to JDataGrid. |
|
| Q: |
How to set color of the even and odd row? |
| A: |
Overide the JDataGrid and add the following code:
public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
Component c = super.prepareRenderer(renderer, row, column);
if(row % 2 == 0) {
// even row
c.setBackground(Color.gray);
} else {
// odd row
c.setBackground(Color.white);
}
return c;
}
> |
|
| Q: |
How to set the background area around JDataGrid? |
| A: |
Should sets the background of the JDataGrid viewport, try the following code:
dataGrid.getParent().setBackground(Color.white);
|
|
| Q: |
You should set the background and it's viewport background of the row header or column header both, try the following code:
JDataGrid dataGrid = createDataGrid();
JScrollPane scrollPane = new JScrollPane(dataGrid);
// ensure the row header and column header have add into JScrollPane
scrollPane.setRowHeaderView(dataGrid.getRowHeader());
scrollPane.setColumnHeaderView(dataGrid.getTableHeader());
// set the background of the datagrid
dataGrid.getRowHeader().setBackground(Color.white);
dataGrid.getRowHeader().getParent().setBackground(Color.white);
dataGrid.getTableHeader().setBackground(Color.white);
dataGrid.getTableHeader().getParent().setBackground(Color.white);
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