Multiple Line cell render in JTable

Question

The issue here is that what's the right way to judge
how many lines is needed to show the Object value in TableCellRender's
public Component getTableCellRendererComponent(
JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row,
int column)
The way by FontMetrics or by Component's getPreferredSize() is not correct.
For a short Object value = "FAC Question" for which the table column is wide enough to display whole string,
the width by calculating FontMetrice on this Object could be larger than the width of table column.
For example:
Object value = "FAC Question A";
tableColumn.getPreferredSize().width = 75;
fontMetrics.stringWidth(value)=120;
getTableCellRenderComponent(...).getPreferredSize().width=120

Answer 1

Hi, use
JTable table = new JTable();
DefaultListSelectionModel  dlm =  new DefaultListSelectionModel();
dlm.setSelectionMode( ListSelectionModel.MULTIPLE_INTERVAL_SELECTION  ); //1( the first one should be the one you are looking for)
or (choose 1 or 2, the rest stays the same)
dlm.setSelectionMode( ListSelectionModel.SINGLE_INTERVAL_SELECTION );//2
table.getColumnModel().setSelectionModel(dlm);
table.setCellSelectionEnabled(true);Hope this helps.
Greetings Michael.