Cannot tick checkbox cell editor in TreeNestedInTable UI

Hi everyone,
i have created a TreeNestedInTable UI using a Check Box cell editor.
It all works fine except when I try to check on of the check boxes in the table it does not tick the box. Instead, it highlughts the row. I can, however, select multiple lines by using Ctrl+click. This is not what I want however.
Please advise if there is some setting that I am missing, perhaps.
Many thanks.
Christiaan

Hi,
check also this link
http://help.sap.com/saphelp_nw04s/helpdata/en/9f/656442a1c4de54e10000000a155106/frameset.htm
Matteo

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Hello Experts,
I am having a problem in creating a context menu in a table cell editor in the ALV table output.I have assigned a 'lta' as the cell editor.But befor assigning the lta as cell editor I have assigned the menu to the lta.But when the view is rendered I can see the lta with the actioned assigned to it.But I cannot see the context menu.
The code snippet below:
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Hi Prakash,
I have not come across this requirement till now to have context menu in a cell editor of alv.
Unfortunately the implementation of method SET_MENU of alv ui elements ( ex: cl_salv_wd_uie_text_view ) is not updating alv configurable table, instead it just stores in a global attribute as string. Hence has no effect on context menu.
If your user is very particular about this requirement of having context menu in cell editor, you can go for a normal table. Because, normal table's cell editor has the property to set the menuID as we do it for other ui elements.
Regards,
Rama

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Hi,
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Hi,
A short update for all interested:
My current work around is to always set the lead selection to the summary line. It does in a kind "mark" that line as special as long as I cannot mark it using a different cell design.
How do I assure this?
I have implemented the following code in a redefinition of the method ADJUST_SELECTION:
*- alter selection
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The general downside is, that no other selection is possible!
The selection is always reset to the summary line with each roundtrip.
Waiting for a better solution...
Kind Regards,
Robert

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Do not include any other patches in between.
e.g
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ABCPY.INI
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When do I need to use a cell editor in a JTree?

I'm currently trying to add checkboxes to nodes in a JTree. I use a panel containing the check box and a label for rendering. I did this because I want only the checkbox to respond to a mouse click and not the text associated with it. I've read several articles online (including the tutorial) and seen sample code as well. Do I need a cell editor or just have a cell renderer with a mouse listener? I've seen it done both ways.

Let me rephrase the question.
If I want to display a checkbox and a label as a node in a Jtree, which way should this be done (with or without a cell editor)? What are the advantages/disadvantages to each approach and what is recommended by Sun?
I ended up not using a cell editor, but I've read posts on various sites where it was stated that if the user has interaction with the node then an editor should be used (with no other explanation as to why). I guess my main concern is that there might be a down side from not using a cell editor that I'm not aware of.

How can one resize a cell editor when in use in a JTree?

It is possible to resize, for example, a JTextArea cell editor while it is being used in a JTable by having a document listener check the preferred height and then changing the rowHeight of the table to fit that. This gives the nice effect of the table expanding and contracting in size as required while it is being edited.
I would also like to this this for a Jtree. But one cannot reset the height of an individual JTree row, and although it can be set up to get the correct height when the editor or renderer is installed (via setRowHeight(0)), there does not seem to be a way to dynamically adjust this height while editing.
This would be very nice to be able to do. (I would say it should be required of a good tree component that it allow this).
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You cannot download apps from another country's store unless you have an account in that country which means having a credit card that is tied to a physical address in that country.
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How to combine a JFormattedTextField and a button in a cell editor

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Now we want the field to be a cell editor and to display the button next to the field (in the table cell). How can we do this? Do I have to make the button a separate column, or can I combine the field and button in 1 column?
Thanks,
Eli

Hi,
Try like this:
DATA: BEGIN OF line,
      col1 TYPE i,
      col2 TYPE i,
      END OF line.
DATA itab LIKE STANDARD TABLE OF line.
data ch(1) type c.
PERFORM fill CHANGING itab.
PERFORM out USING itab.
FORM fill CHANGING f_itab LIKE itab.
DATA f_fill LIKE LINE OF f_itab.
DO 3 TIMES.
    f_fill-col1 = sy-index.
    f_fill-col2 = sy-index ** 2.
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ENDDO.
ENDFORM.                    "FILL
FORM out USING value(f_itab) LIKE itab.
DATA f_fill LIKE LINE OF f_itab.
write ch as checkbox.
LOOP AT f_itab INTO f_fill.
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ENDLOOP.
Regards,
Bhaskar
ENDFORM.                    "OUT

I am really stuck with JCheckBox using it as a JTable cell editor...

i need to focus next table cell, when user press a key on JcheckBox used in JTable as a cell editor.
Especially i need to bind "ENTER" key with this action. I tried to addKeyListener do checkbox, tried to add action into input maps of jatble, and also to input map of checkbox. But really nothing works. Please help....
Mathew, HSIGP

and yes your code works well with any key, but when i want to assign something to "ENTER", it doesnt work. F.ex. if i assign something to "A" key
like>
InputMap m=table.getInputMap(WHEN_ANCETSTOR...);
m.put(KeyStroke.get("A"),m.get(KeyStroke.get("TAB"));
it works fine, and when i press "a" key it work as a "tab" key in table.
But when i am doing same with "enter" instead of "a" it doesnt work.
btw. there is action "actionselectNextCollumn..." assigned by default to enter
why??

Setting JTable cell editor

Hallo,
I have troubles setting jtable cell edtior. when i run code below, editor stays unchnaged.
Do you know where's the problem, please (except in programmer^_^) ???
import java.awt.*;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
public class Test extends JFrame {
    JTable table;
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        table = new JTable();
        table.setModel(new DefaultTableModel(
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                { "Hallo!", Boolean.FALSE },
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        table.setDefaultEditor(Boolean.class, new DefaultCellEditor(
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        table.setDefaultEditor(String.class, new DefaultCellEditor(
                new JComboBox( new String[] { "Hallo!", "Bye!" } ) ));
    public static void main(String[] arg) {
        Test test = new Test();
        test.setVisible(true);
}

Hi again,
yes it works when i set it for single column, but i'd like to use default editor, because column count is not fixed.
According to documentation: "Sets a default cell editor to be used if no editor has been set in a TableColumn. If no editing is required in a table, or a particular column in a table, uses the isCellEditable method in the TableModel interface to ensure that this JTable will not start an editor in these columns. If editor is null, removes the default editor for this column class."
So when i call
column.setCellEditor(null); in TableColumnModelListener columnAdded event. But still it's not working. See sample below (i've changed it to cell renderer coz result is clear on single view, but problem stays same)
More over problem seems to be with algoritm that decide which class to use. Object takes preference any time. W/o it npe arries.
Regards
Adam
import java.awt.*;
import javax.swing.*;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
public class Test extends JFrame {
    JTable table;
    Test() {
        // Create table model
        table = new JTable();
        table.setModel(new DefaultTableModel(
            new Object[][] {
                { Boolean.TRUE, Integer.valueOf(10) },
                { "Hallo!", Boolean.FALSE },
            }, new String[] { "Col1", "Col2" }));
        // Setup frame a little
        setLayout(new BorderLayout());
        setBounds(new Rectangle(300,300,200,100));
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        add(table,BorderLayout.CENTER);
        table.setDefaultRenderer(Object.class,new Renderer(Color.YELLOW));
        table.setDefaultRenderer(String.class,new Renderer(Color.BLUE));
        table.setDefaultRenderer(Boolean.class,new Renderer(Color.RED));
        table.setDefaultRenderer(Integer.class,new Renderer(Color.GREEN));
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        table.getColumn(table.getColumnName(0)).setCellRenderer(null);
        table.getColumn(table.getColumnName(0)).setCellRenderer(null);
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        Test test = new Test();
        test.setVisible(true);
    class Renderer extends DefaultTableCellRenderer {
        Color color;
        Renderer(Color color) { this.color = color; }
        public Component getTableCellRendererComponent(JTable table, Object value,
                boolean isSelected, boolean hasFocus, int row, int column) {
            super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
            setBackground(color);
            setToolTipText("Class is "+value.getClass().getName());
            return this;
}Message was edited by:
a3cchan

Custom JTable cell editor problem

I have a custom JTable cell editor which is a JPanel with 2 JtextFields, One for a name, the other for a data value. My problem lies in when the the cell is selected and then the user start typing. The JTextfield outline shows up, but there is no carat. I can only edit the cell when I click the mouse in it again. I have my isCellEditable method set to only allow editing on 2 mouse clicks, but I did try it with just returning true and had the same problem. Please help.
Code:
class cellValue {
String name;
String data;
Color nameColor;
Color dataColor;
Font font;
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name = n;
data = d;
nameColor = nC;
dataColor = dC;
font = ff;
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private EventListenerList listenerList = new EventListenerList();
private ChangeEvent event = new ChangeEvent(this);
private cellValue s;
private int e_row=0;
private int e_col=0;
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private JTextField tb;
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setLayout(new GridBagLayout());
ta = new JTextField();
tb = new JTextField();
tb.setHorizontalAlignment(SwingConstants.RIGHT);
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s = (cellValue)value;
e_row = row;
e_col = column;
ta.setText(s.name);
tb.setText(s.data);
ta.setFont(s.font);
tb.setFont(s.font);
ta.setForeground(s.nameColor);
tb.setForeground(s.dataColor);
setForeground(table.getForeground());
setBackground(table.getBackground());
ta.setBackground(table.getBackground());
tb.setBackground(table.getBackground());
ta.setCaretColor(Color.WHITE);
tb.setCaretColor(Color.WHITE);
return (JComponent)(this);
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return (getTableCellRendererComponent(table, value,isSelected, true, row, column));
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return ((MouseEvent)e).getClickCount() >= 2;
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// return true;
public boolean shouldSelectCell(EventObject anEvent) {
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public void cancelCellEditing() {
public boolean stopCellEditing() {
fireEditingStopped();
return (true);
public Object getCellEditorValue() {
return (ta.getText());
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try {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {requestFocus();}
} catch (Exception e) {};
listenerList.add(CellEditorListener.class, l);
public void removeCellEditorListener(CellEditorListener l) {
listenerList.remove(CellEditorListener.class, l);
protected void fireEditingStopped(){
Object[] listeners = listenerList.getListenerList();
for (int i = listeners.length - 2; i >= 0; i -= 2)
((CellEditorListener)listeners[i+1]).editingStopped(event);
protected void fireEditingCanceled() {
Object[] listeners = listenerList.getListenerList();
for (int i = listeners.length - 2; i >= 0; i -= 2)
((CellEditorListener)listeners[i+1]).editingCanceled(event);
} //end class

Thanks again for the repley.
I tried removing the celleditorlistener and using the setSurrenderFocusOnKeystroke, but it did not work. The textfield is editable;
I did change:
public void addCellEditorListener(CellEditorListener l){
try {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {ta.requestFocus();}
} catch (Exception e) {};
listenerList.add(CellEditorListener.class, l);
}This allows the first textfield to request focus and this seems to work. But when I highlight a cell, then start typing, the first character I type puts me into the editor, but it is lost. Example:
I type hello
and get ello in the cell. Then when I press enter the input is excepted and the selection goes to the next cell, but I cannot move the Highlight cursor at all, seems locked. The only way I can continue to the next cell is to use the mouse.
You said you had a cell editor working. Would you care to share as an example. This is killing me to get this to work properly.
Thanks again
Dave

Cell Editor to limit characters in jtable cell

Hello Java Gods,
Can anyone help me or write for me a custom cell editor/renderer to limit the max number of characters in a jtable cell to be 10? By this, I mean, the user should not be able to type more than 10 characters in this particular cell.
Any help would be greatly appreciated. I have to hand in this code before this evening. So please please help me folks.
Thanking you all in advance.
Warm Regards,
Java Newbie

Try one of these CellEditors:
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class LimitedEditor2 extends DefaultCellEditor {
    public LimitedEditor2() {
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        JTextField tf = ((JTextField) getComponent());
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                int len = getLength();
                if (len + str.length() > 10) {
                    Toolkit.getDefaultToolkit().beep();
                } else {
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}Usage example:
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Differrent CELL Editors and Renderers in a Column

Is it possible to have different cell editors and renderers within a single column? I would like to have text, CheckBox and ComboBox on different rows and within the same column.
If yes, pls point me to somthing that describes this process.

One thing that is often overlooked,due to a poor naming choice by Sun, is that a Renderer is not forced to return this as the component that will ultimately paint the cell: the only job of a cell renderer (as per the interface TableCellRenderer ) is to provide a component to do the painting. It is free to re-used the same component as much as possible (as a memory optimization), but it can also return either JComponent out of a set of 3.
For example:
public class MyRenderer implements TableCellRenderer {
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        else if (whatever criterion that identifies the cell as a bar) {
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This has the advantage to enable to configure the renderer without havingto subclass JTable.
Edited by: jduprez on Jan 20, 2011 10:51 PM
Here is a reference to a discussion about the mixed concepts in renderers: {message:id=9161690}

Create a VC Model for BEx queries with Cell Editor

Hello All,
I am trying to create a VC Model for BEx queries with Cell Editor.
BW Development Team has created a BEX query with complex restrictions and calculations using Cell Editor feature of BI-BEX.
The query output in BEx analyzer is correct where all values are being calculated at each Cell level and being displayed.
But, while creating VC model, system is not displaying the Cells.Thus, no VC Model can be created.
I have executed below steps:
1. Created a VC Model for BEx Query - ZQRY_XYZ
2. Create Iview -> Create a dataService -> Provide a Table from the Output
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Thanks,
Siva

Hi
If 'Cell Editor' is been used then that query must have the structure in it. You have to select that 'structure' object in your 'VC Table'.
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Regards
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Dynamically change the cell editor in the table control

Hi..
I have 3 columns in a table . of which in one column we need to change the cell editor dynamically at runtime.
i.e for example i have columns as carrid, connid and fldate.
For the first 2 rows the cell editor for the carrid clomn shud be a dropdown and from there on in the next rows for the same carrid column it shud be a input field.
Can experts plz help me how to achieve this as this is very high priority issue....
Regards,
Madhu...

This is actaully fairly simple to do. You will need to add a cellVariant to your table column. You can then dataBind a context attribute to the selectedCellVariant property of the column to control which cellVariant will be used. This allows you to control row-by-row which cell editor you want to output.
http://help.sap.com/saphelp_nw70/helpdata/EN/bd/5d9041d3c72e7be10000000a1550b0/frameset.htm
http://help.sap.com/saphelp_nw70/helpdata/EN/56/5e9041d3c72e7be10000000a1550b0/frameset.htm
Also here is an example that I did the other day that uses Cell Variants within ALV. This process is actually a little more complicated because you have to go through the ALV APIs. To do this in a normal table is actually easier because you can create the cellVariant in the layout designer.
Re: Freely-programmed value help for a single ALV cell

Cannot tick checkbox cell editor in TreeNestedInTable UI

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