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Set JTable non editable

Posted on 2011-03-22
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Last Modified: 2012-08-14
I am using JTable in my application. I want to set all cells of table non-editable. How can I do it? Please help.
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Question by:Aurii
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14 Comments
 
LVL 86

Expert Comment

by:CEHJ
ID: 35188798
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Author Comment

by:Aurii
ID: 35189727
I am using netbeans. I took JTable 'tblSearch' by drag and drop and done below coding

private String rows[][] = new String[0][5];
    private String columns[] = {"Doctor ID","Doctor Name","Address","Contact Number","E-mail Id"};
    private javax.swing.table.DefaultTableModel tm = new javax.swing.table.DefaultTableModel(rows,columns);

tblSearch.setModel(tm);

The code from your example is not working for my code. Please suggest solution for my code.
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LVL 86

Accepted Solution

by:
CEHJ earned 600 total points
ID: 35189798
You need to do
private javax.swing.table.DefaultTableModel tm = new javax.swing.table.DefaultTableModel(rows,columns) {
    public boolean isCellEditable(int row, int col) {
        return false
    }
};

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Author Comment

by:Aurii
ID: 35189970
Thank you its' worked. But if I need some cell editable and some non editable then how can can I do it?
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LVL 86

Expert Comment

by:CEHJ
ID: 35190414
You need to return true/false for the appropriate cell
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LVL 92

Assisted Solution

by:objects
objects earned 400 total points
ID: 35194923
see the example here
http://www.exampledepot.com/egs/javax.swing.table/NoEdit.html

to just make say solumn 1 not editable you could do something like this:


TableModel model = new DefaultTableModel() {
    public boolean isCellEditable(int rowIndex, int mColIndex) {
        return mColIndex!=1;
    }
};
0
 

Author Comment

by:Aurii
ID: 35196281
Hi CEHL, I am not geting how to return true/false for the appropriate cell for my code. I want to set all table non editable except some cells. Please suggest solution for my code.

Hi objects, Actually your code works for single column but what if I want to set it for multiple columns.

Actually my 1 table want all cells non editable except some cells And my another table want all cells non editable except some columns.
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LVL 86

Assisted Solution

by:CEHJ
CEHJ earned 600 total points
ID: 35196450
'Some' needs to be specified numerically. Let's say you need to set the first, third and fifth columns editable, the rest not:
TableModel model = new DefaultTableModel() {
	public boolean isCellEditable(int rowIndex, int mColIndex) {
	    boolean result = false;
	    switch(rowIndex) {
		case 0:
		case 2:
		case 4:
		    result = true;
		default:
		    result = false;
	    }
	    return result;
	}
    };

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LVL 92

Assisted Solution

by:objects
objects earned 400 total points
ID: 35197094
> Hi objects, Actually your code works for single column but what if I want to set it for multiple columns.

just expand on what I posted above

eg. to only allow editting on columns 2 and 3

        return mColIndex==2 || mColIndex==3;

just change the condition to meet your needs
0
 

Author Comment

by:Aurii
ID: 35230323
Hi chej, Actually your code is working for hole row. what if I need to set some cell editable, let's say (2,3) and (5,8)
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LVL 92

Expert Comment

by:objects
ID: 35230342
explained that in my previous comment
you would use

        return (mColIndex==2 && rowIndex=3) || (mColIndex==5 && mRowIndex=8);
0
 

Author Comment

by:Aurii
ID: 35230547
but this statement giving me following error,
'operator && cannot be applied to boolean,int'
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LVL 86

Assisted Solution

by:CEHJ
CEHJ earned 600 total points
ID: 35230559

return (mColIndex==2 && rowIndex==3) || (mColIndex==5 && rowIndex==8);

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LVL 86

Expert Comment

by:CEHJ
ID: 35230854
:)
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