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In a JTable, how can I make some rows automatically increase height to show the complete multiline text inside? This is how it is displayed at the moment:
I do not want to set the height for all rows, but only for the ones which have multiline text.
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This can be done easily using these two methods of the JTable class: setRowHeight(int row, int rowHeight): sets the height (in pixels) for an individual row. setRowHeight(int rowHeight): sets the height (in pixels) for all rows in the table and discards heights of all rows were set individually before.
The TableModel interface specifies the methods the JTable will use to interrogate a tabular data model. The JTable can be set up to display any data model which implements the TableModel interface with a couple of lines of code: TableModel myData = new MyTableModel(); JTable table = new JTable(myData);
Right-click on the table cells. From popup menu, choose "Table Contents..". Uncheck the editable check box for the column you want to make it non-editable.
The only way to know the row height for sure is to render each cell to determine the rendered height. After your table is populated with data you can do:
private void updateRowHeights()
{
for (int row = 0; row < table.getRowCount(); row++)
{
int rowHeight = table.getRowHeight();
for (int column = 0; column < table.getColumnCount(); column++)
{
Component comp = table.prepareRenderer(table.getCellRenderer(row, column), row, column);
rowHeight = Math.max(rowHeight, comp.getPreferredSize().height);
}
table.setRowHeight(row, rowHeight);
}
}
If only the first column can contain multiple line you can optimize the above code for that column only.
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