non editable JTable?

[Dillinger4]

Is there anyway i can check to see if the cells in a JTable are editable? If i pull up a JTable loaded with data in it's colums i can manually click on a cell and retype new values into the cell, tab off to another cell then go back and edit again. Point is that it's always editable. Now when i hook a table up to a backend as soon an the data changes in the table it becomes non-editable. Any reason for this?

[Andy_Hollywood]

you can get the model out of the JTable and there is a method on it called isCellEditable(int row, int index) just pass int eh coordinates you want to test and it will return true or false....

[Dillinger4]

Ok what do i do then? I don't see any setEditable(int col int row,boolean editable) or a setEditable(boolean editable) methods to set either a specific cell or the whole JTable editable.

[Andy_Hollywood]

ahh, sorry, i thought you just wanted to test if a cell was editable, not disable and enabled editing full stop on the table...

if i wanted this kind of functionality i personally would write a TableModel Delegate, that could accept anoter TableModel, and add methods that would allow me to set the entire table editable or not.

public class MyTable extends JTable{

    ModelDelegate delegate = new ModelDelegate();
    boolean editable = true;
    
    public void setModel(TableModel dataModel) {
        delegate.setModel(dataModel);
        super.setModel(this.delegate);
    }
    
    
    public void setEditable(boolean editable){
        this.editable = editable;
    }
    
    
    private class ModelDelegate implements TableModel{

        TableModel model;
        
        public void setModel(TableModel model){
            this.model = model;
        }
        
        public void addTableModelListener(TableModelListener l) {
            model.addTableModelListener(l);
        }

        public boolean equals(Object obj) {
            return model.equals(obj);
        }

        public Class getColumnClass(int columnIndex) {
            return model.getColumnClass(columnIndex);
        }

        public int getColumnCount() {
            return model.getColumnCount();
        }

        public String getColumnName(int columnIndex) {
            return model.getColumnName(columnIndex);
        }

        public int getRowCount() {
            return model.getRowCount();
        }

        public Object getValueAt(int rowIndex, int columnIndex) {
            return model.getValueAt(rowIndex, columnIndex);
        }

        public int hashCode() {
            return model.hashCode();
        }

        public boolean isCellEditable(int rowIndex, int columnIndex) {
            /**
             * Test to see if the Table is editable
             * if so call in the model we are delegtaing to
             */
            if(editable){
                return model.isCellEditable(rowIndex, columnIndex);    
            }else{
                /**
                 * Return false.
                 */
                return editable;
            }
        }

        
        public void removeTableModelListener(TableModelListener l) {
            model.removeTableModelListener(l);
        }

        public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
            model.setValueAt(aValue, rowIndex, columnIndex);
        }

    }
}

would that do what you wanted?