Make a single DataGrid Cell editable
Good morning,
Is there a way to make one cell in a DataGrid column editable? I've been looking at tutorials and documentation and have no idea where to start. I tried getCellRendererAt() for a particular cell and setting it to editable (I assumed the return value was an instance of DataGridCellEditor), but that just gives me compilation errors.
Is this even possible?
Thanks!
Good morning,
Is there a way to make one cell in a DataGrid column editable? I've been looking at tutorials and documentation and have no idea where to start. I tried getCellRendererAt() for a particular cell and setting it to editable (I assumed the return value was an instance of DataGridCellEditor), but that just gives me compilation errors.
Is this even possible?
Thanks!
Similar Messages
-
How to make a single row as editable in a table view?
Hello Friends,
As per the requirement,i have created a new table view with table row level actions. But I am able to achieve the delete functionality. But for edit action, if i lock the corresponding entity also it is not becoming as edit.
Let me know any ideas to achieve this??
Thanks in Advance.
Regards,
RaviHi Raviteja,
In your row level buttons if you want to edit a row you have to fallow this steps..
1) get the selected record by using index.
2) get the action mean which action you want to perform ( edit or delete like).
3) lock the current entity.
4) get the custom or comp controller instance based on get the current record.
5) edit the row..
sample code for this..
DATA:
lv_index TYPE int4,
lr_current TYPE REF TO if_bol_bo_property_access,
lr_entity TYPE REF TO cl_crm_bol_entity,
lv_event TYPE string,
lv_dummy TYPE string,
lr_core TYPE REF TO cl_crm_bol_core,
lv_one_click_lock TYPE sysubrc,
lr_col TYPE REF TO if_bol_bo_col,
lr_coco TYPE REF TO component ctrl class name (impl class),
lr_cuco TYPE REF TO custom cntrl class name ( impl.)
CALL METHOD cl_thtmlb_util=>get_event_info
EXPORTING
iv_event = htmlb_event_ex
IMPORTING
ev_index = lv_index.
CHECK lv_index IS NOT INITIAL.
* Get the current entity
lr_entity ?= me->typed_context->urcnode->collection_wrapper->find( iv_index = lv_index ).
CHECK lr_entity IS BOUND.
* Get the action clicked on
SPLIT htmlb_event_ex->event_defined AT '.' INTO lv_event lv_dummy.
* Try to lock the current entity
lv_one_click_lock = cl_crm_uiu_bt_tools=>set_one_click_lock( me->typed_context->cnode->collection_wrapper ).
CASE lv_event.
* Edit the current Partner
WHEN 'EDIT'.
IF lv_one_click_lock <> 2 AND lr_entity->is_send_active( ) = abap_true.
lr_coco ?= me->comp_controller.
CHECK lr_coco IS BOUND.
lr_current = lr_coco->typed_context->cnode->collection_wrapper->find( iv_bo = lr_entity ).
* if entity is not yet there: add it to component controller collection
IF lr_current IS NOT BOUND .
lr_coco->typed_context->cnode->collection_wrapper->add( lr_entity ).
lr_current = lr_coco->typed_context->cnode->collection_wrapper->find( iv_bo = lr_entity ).
ENDIF.
CHECK lr_current IS BOUND.
lr_cuco ?= me->get_custom_controller( 'compname/cnameCuCo' ). "#EC NOTEXT
lr_cuco->typed_context->cnode->on_new_focus( lr_current ).
me->set_editable( ).
ENDIF.
if this is not work then go through this link..
OCA edit button problem
Thanks & Regards,
Srinivask -
How can i make perticular row or perticular cell Editable of a JTable
Dear al,
can u help me by guiding me for the problem of...
i am having a JTable, in which a (first)column of each row is having a checkbox field.
If the checkbox is checked then and then i should able to modify the cells in that row where the checkbox is.
I have created the table with AbstractTableModel of which the isCellEditable(int row, int col) method is overwriten. Whatever return value (true/false) reflects the perticular
cells becomes editable/non-editable respectively.
but at run time...(mean the table is created now) and now i want to make the cells editable/non-editable depending on the checkbox value...
how can i implement it.........
please suggest.........
thank you.........here is the sample code from tutorial.......
* TableRenderDemo.java requires no other files.
import java.awt.Component;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.DefaultCellEditor;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
* TableRenderDemo is just like TableDemo, except that it explicitly initializes
* column sizes and it uses a combo box as an editor for the Sport column.
@SuppressWarnings("serial")
public class TableRenderDemo extends JPanel {
private boolean DEBUG = true;
public TableRenderDemo() {
super(new GridLayout(1, 0));
JTable table = new JTable(new MyTableModel());
// table.setEditingColumn(0);
// table.editCellAt(0, 0);
table.setPreferredScrollableViewportSize(new Dimension(500, 100));
// Create the scroll pane and add the table to it.
JScrollPane scrollPane = new JScrollPane(table);
// Set up column sizes.
initColumnSizes(table);
// Fiddle with the Sport column's cell editors/renderers.
setUpSportColumn(table, table.getColumnModel().getColumn(2));
// Add the scroll pane to this panel.
add(scrollPane);
* This method picks good column sizes. If all column heads are wider than
* the column's cells' contents, then you can just use
* column.sizeWidthToFit().
private void initColumnSizes(JTable table) {
MyTableModel model = (MyTableModel) table.getModel();
TableColumn column = null;
Component comp = null;
int headerWidth = 0;
int cellWidth = 0;
Object[] longValues = model.longValues;
TableCellRenderer headerRenderer = table.getTableHeader()
.getDefaultRenderer();
for (int i = 0; i < 5; i++) {
column = table.getColumnModel().getColumn(i);
comp = headerRenderer.getTableCellRendererComponent(null, column
.getHeaderValue(), false, false, 0, 0);
headerWidth = comp.getPreferredSize().width;
comp = table.getDefaultRenderer(model.getColumnClass(i))
.getTableCellRendererComponent(table, longValues, false,
false, 0, i);
cellWidth = comp.getPreferredSize().width;
if (DEBUG) {
System.out.println("Initializing width of column " + i + ". "
+ "headerWidth = " + headerWidth + "; cellWidth = "
+ cellWidth);
// XXX: Before Swing 1.1 Beta 2, use setMinWidth instead.
column.setPreferredWidth(Math.max(headerWidth, cellWidth));
public void setUpSportColumn(JTable table, TableColumn sportColumn) {
// Set up the editor for the sport cells.
JComboBox comboBox = new JComboBox();
comboBox.addItem("Snowboarding");
comboBox.addItem("Rowing");
comboBox.addItem("Knitting");
comboBox.addItem("Speed reading");
comboBox.addItem("Pool");
comboBox.addItem("None of the above");
sportColumn.setCellEditor(new DefaultCellEditor(comboBox));
// Set up tool tips for the sport cells.
DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
renderer.setToolTipText("Click for combo box");
sportColumn.setCellRenderer(renderer);
class MyTableModel extends AbstractTableModel {
private String[] columnNames = { "First Name", "Last Name", "Sport",
"# of Years", "Vegetarian" };
private Object[][] data = {
{ "Mary", "Campione", "Snowboarding", new Integer(5),
new Boolean(false) },
{ "Alison", "Huml", "Rowing", new Integer(3), new Boolean(true) },
{ "Kathy", "Walrath", "Knitting", new Integer(2),
new Boolean(false) },
{ "Sharon", "Zakhour", "Speed reading", new Integer(20),
new Boolean(true) },
{ "Philip", "Milne", "Pool", new Integer(10),
new Boolean(false) } };
public final Object[] longValues = { "Sharon", "Campione",
"None of the above", new Integer(20), Boolean.TRUE };
public int getColumnCount() {
return columnNames.length;
public int getRowCount() {
return data.length;
public String getColumnName(int col) {
return columnNames[col];
public Object getValueAt(int row, int col) {
return data[row][col];
* JTable uses this method to determine the default renderer/ editor for
* each cell. If we didn't implement this method, then the last column
* would contain text ("true"/"false"), rather than a check box.
public Class<?> getColumnClass(int c) {
return getValueAt(0, c).getClass();
* Don't need to implement this method unless your table's editable.
public boolean isCellEditable(int row, int col) {
// Note that the data/cell address is constant,
// no matter where the cell appears onscreen.
// return false;
return true;
* Don't need to implement this method unless your table's data can
* change.
public void setValueAt(Object value, int row, int col) {
if (DEBUG) {
System.out.println("Setting value at " + row + "," + col
+ " to " + value + " (an instance of "
+ value.getClass() + ")");
data[row][col] = value;
fireTableCellUpdated(row, col);
if (DEBUG) {
System.out.println("New value of data:");
printDebugData();
private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount();
for (int i = 0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j = 0; j < numCols; j++) {
System.out.print(" " + data[i][j]);
System.out.println();
System.out.println("--------------------------");
* Create the GUI and show it. For thread safety, this method should be
* invoked from the event-dispatching thread.
private static void createAndShowGUI() {
// Create and set up the window.
JFrame frame = new JFrame("TableRenderDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Create and set up the content pane.
TableRenderDemo newContentPane = new TableRenderDemo();
newContentPane.setOpaque(true); // content panes must be opaque
frame.setContentPane(newContentPane);
// Display the window.
frame.pack();
frame.setVisible(true);
public static void main(String[] args) {
// Schedule a job for the event-dispatching thread:
// creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI(); -
How to make cell editable alv in WebDynpro for ABAP?
I make Column editable ALV.(See under source code)
But I can't make Cell editable ALV.
How to make Cell editable ALV in WebDynpro for ABAP?
and..how to get changed data?
DATA: l_value TYPE REF TO cl_salv_wd_config_table.
l_value = l_ref_interfacecontroller->get_model( ).
* { EDITABLE
DATA: lr_column_settings TYPE REF TO if_salv_wd_column_settings,
lr_input_field TYPE REF TO cl_salv_wd_uie_input_field,
lr_column TYPE REF TO cl_salv_wd_column.
lr_column_settings ?= l_value.
lr_column = lr_column_settings->get_column( 'TOTAL_COUNT' ).
CREATE OBJECT lr_input_field
EXPORTING
value_fieldname = 'TOTAL_COUNT'.
lr_column->set_cell_editor( lr_input_field ).
DATA: lr_table_settings TYPE REF TO if_salv_wd_table_settings.
lr_table_settings ?= l_value.
lr_table_settings->set_read_only( abap_false ).the code seems to be correct....but where are you writing it?
put the code in the wddoinit method and it should work.
have a look at this article..
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3133474a-0801-0010-d692-81827814a5a1 -
When can i make a single edition for an android device?
From Amsterdam, Europe
As an Adobe-cloud member......
1:
when can I make a single edition for an android device?
2:
why can I NOT make a single edition for Android ...
Whe are not able to use the single edition at all in Europe...(why actually??)
No one knows when it will be possible....
And then also what about Android, I do not want to use Apple's hardware, but actually I am forced to do so....I think that that is a big minor for Adobe...
regards, AnneThe original problem with android was the file size of the app, i think it was limited to 25/50Mb so have a multi-issue app solved that as the full content was downloaded from adobe servers.
That may still be the issue, though I thought the file size had been increased.
You dont have to use a Mac to create you folio's etc, you just need a mac to upload the binary, not Adobe's fault :-) and everyone is in that boat, so not a big minor for adobe then, just you maybe
have a good weekend
Alistair -
Stopping cell editing in a JTable using a JComboBox editor w/ AutoComplete
Hi there! Me again with more questions!
I'm trying to figure out the finer parts of JTable navigation and editing controls. It's getting a bit confusing. The main problem I'm trying to solve is how to make a JTable using a combo box editor stop editing by hitting the 'enter' key in the same fashion as a JTextField editor. This is no regular DefaultCellEditor though -- it's one that uses the SwingX AutoCompleteDecorator. I have an SSCCE that demonstrates the issue:
import java.awt.Component;
import java.awt.EventQueue;
import javax.swing.AbstractCellEditor;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.WindowConstants;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableModel;
import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;
public class AutoCompleteCellEditorTest extends JFrame {
public AutoCompleteCellEditorTest() {
JTable table = new JTable();
Object[] items = {"A", "B", "C", "D"};
TableModel tableModel = new DefaultTableModel(2, 2);
table.setModel(tableModel);
table.getColumnModel().getColumn(0).setCellEditor(new ComboCellEditor(items));
getContentPane().add(table);
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
pack();
private class ComboCellEditor extends AbstractCellEditor implements TableCellEditor {
private JComboBox comboBox;
public ComboCellEditor(Object[] items) {
this.comboBox = new JComboBox(items);
AutoCompleteDecorator.decorate(this.comboBox);
public Object getCellEditorValue() {
return this.comboBox.getSelectedItem();
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
comboBox.setSelectedItem(value);
return comboBox;
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
new AutoCompleteCellEditorTest().setVisible(true);
}Problem 1: Starting to 'type' into the AutoCompleteDecorate combo box doesn't cause it to start editing. You have to hit F2, it would appear. I've also noticed this behaviour with other JComboBox editors. Ideally that would be fixed too. Not sure how to do this one.
Problem 2: After editing has started (say, with the F2 key), you may start typing. If you type one of A, B, C, or D, the item appears. That's all good. Then you try to 'complete' the edit by hitting the 'enter' key... and nothing happens. The 'tab' key works, but it puts you to the next cell. I would like to make the 'enter' key stop editing, and stay in the current cell.
I found some stuff online suggesting you take the input map of the table and set the Enter key so that it does the same thing as tab. Even though that's not exactly what I desired (I wanted the same cell to be active), it didn't work anyway.
I also tried setting a property on the JComboBox that says that it's a table cell editor combo box (just like the DefaultCellEditor), but that didn't work either. I think the reason that fails is because the AutoCompleteDecorator sets isEditable to true, and that seems to stop the enter key from doing anything.
After tracing endless paths through processKeyBindings calls, I'm not sure I'm any closer to a solution. I feel like this should be a fairly straightforward thing but I'm having a fair amount of difficulty with it.
Thanks for any direction you can provide!Hi Jeanette,
Thanks for your advice. I looked again at the DefaultCellEditor. You are correct that I am not firing messages for fireEditingStopped() and fireEditingCancelled(). Initially I had copied the behaviour from DefaultCellEditor but had trimmed it out. I assumed that since I was extending AbstractCellEditor and it has them implemented correctly that I was OK. But I guess that's not the case! The problem I'm having with implementing the Enter key stopping the editing is that:
1) The DefaultCellEditor stops cell editing on any actionPerformed. Based on my tests, actionPerformed gets called whenever a single key gets pressed. I don't want to end the editing on the AutoCompleteDecorated box immediately -- I'd like to wait until the user is happy with his or her selection and has hit 'Enter' before ending cell editing. Thus, ending cell editing within the actionPerformed listener on the JComboBox (or JXComboBox, as I've made it now) will not work. As soon as you type a single key, if it is valid, the editing ends immediately.
2) I tried to add a key listener to the combo box to pick up on the 'Enter' key and end the editing there. However, it appears that the combo box does not receive the key strokes. I guess they're going to the AutoCompleteDecorator and being consumed there so the combo box does not receive them. If I could pick up on the 'Enter' key there, then that would work too.
I did more reading about input maps and action maps last night. Although informative, I'm not sure how far it got me with this problem because if the text field in the AutoCompleteDecorator takes the keystroke, I'm not sure how I'm going to find out about it in the combo box.
By the way, when you said 'They are fixed... in a recent version of SwingX', does that mean 1.6.2? That's what I'm using.
Thanks!
P.S. - Maybe I should create a new question for this? I wanted to mark your answer as helpful but I already closed the thread by marking the answer to the first part as correct. Sorry!
Edited by: aardvarkk on Jan 27, 2011 7:41 AM - Added SwingX versioning question. -
Making individual row or cell editable or readonly depend on cell data
Dear expert
I'm working with dataGrid and itemEditor. I can make some
column editable. But I would like to know how to set some specific
row or cell editable or readonly depend on cell data. Could anybody
guide me which method should I override or any idea?
ThanksWell a simply way would be if the row contained some kind of
data that had the info to determine if it was editable or not...
e.g. say the data in the dataProvider of the dataGrid has a field
called jobTitle and you didn't want cells in that row editable when
the jobTitle is "Executive".
<mx:DataGrid dataProvider="{jobData}" editable="true">
<mx:columns>
<mx:Array>
<mx:DataGridColumn headerText="Title" dataField="Title"
itemEditor="titleEditor"/>
<mx:DataGridColumn headerText="Phone" dataField="Phone"
itemEditor="phoneEditor"/>
</mx:columns>
</mx:DataGrid>
Your itemEditor's could check to see if thats the case.
phoneEditor.mxml
<?xml version="1.0"?>
<mx:TextInput xmlns:mx="
http://www.adobe.com/2006/mxml"
text="{data.Phone}" creationComplete="checkIfEditable()" >
<mx:Script>
public function checkIfEditable():void
if(data.Title == 'Executive') this.editable=false;
</mx:TextInput> -
Adding MovieClip to DataGrid Cell
Hi to all..
I have added components like ComboBox, CheckBox etc in the
DataGrid cell..
But Now I want to add MovieClip If not possible then Swf in
the DataGrid cell using cellrenderer.
Is it possible to add such things.
If yes can you guide me how..? I have spend 3 days after
this... Please Help me out..
Thanks.quote:
Hi...
I'm using AS3.
By the way I have added Movieclip on the data grid cell...
But now the problem is how to make it editable because I have
added two components on the same cell...
And that cell take this both component as object and you can
not edit that object by just making that column as editable =
true... so if any one can suggest me the way..
the help will be appreciated...... -
How to enter a value into datagrid cell in wpf through manually?
Hi,
Here my datagrid rows are in readonly mode here how can i enter the values in to the datagrid cell.(means how can i edit the cell value).i am adding the value to datagrid through programetically, I think for this reason my datagrid rows
are visible in readonly mode. Then how can i edit. Please guide me.
Regards,
BhadramHi Barry,
Thank you for your reply, Now i sending my sample please check it once and suggest me.
MainWindow.xaml.cs
private void Save_Click(object sender, RoutedEventArgs e)
List<CustomerMainViewModel> customer = new List<CustomerMainViewModel>(); customerviewmodel.NameTextField = tbName.Text;
customerviewmodel.AddressTextField = tbAddress.Text;
customerviewmodel.CountryField = countryddl.Text;
customerviewmodel.StateField = stateddl.Text;
customerviewmodel.Product = customerviewmodel.Product1 + "," + customerviewmodel.Product2;
foreach(string str in customerviewmodel.actionCollection)
customerviewmodel.ActionColl.Add(str);
customerviewmodel.actionCollection.Clear();
customer.Add(customerviewmodel);
dataGrid1.Items.Add(customer);
MessageBox.Show("Data Successfully Saved", " MessageBox", MessageBoxButton.OK, MessageBoxImage.Asterisk);
clearValues();
MainWindow.xaml
<DataGrid
Height="144"
HorizontalAlignment="Left"
Margin="79,447,0,0"
Name="dataGrid1"
VerticalAlignment="Top" CanUserAddRows="True"
Width="399" Grid.RowSpan="2" IsReadOnly="False">
<DataGrid.Columns>
<DataGridTextColumn Header="NAME" Binding="{Binding NameTextField,Mode=TwoWay}" Width="Auto" IsReadOnly="False" />
<DataGridTextColumn Header="ADDRESS" Binding="{Binding AddressTextField,Mode=TwoWay}" Width="Auto" IsReadOnly="False"/>
<DataGridTextColumn Header="GENDER" Binding="{Binding GenderField,Mode=TwoWay}" Width="Auto" IsReadOnly="False"/>
<DataGridTextColumn Header="COUNTRY" Binding="{Binding CountryField,Mode=TwoWay}" Width="Auto" IsReadOnly="False"/>
<DataGridTextColumn Header="STATE" Binding="{Binding StateField,Mode=TwoWay}" Width="Auto" IsReadOnly="False"/>
<DataGridTextColumn Header="PRODUCT" Binding="{Binding Product,Mode=TwoWay}" Width="Auto" IsReadOnly="False"/>
<DataGridTemplateColumn Header="ACTION" MinWidth="140" IsReadOnly="False">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<ComboBox x:Name="actionddl" ItemsSource="{Binding ActionColl}"/>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
In the above "xaml" file i am using the attribute "Readonly="False"" but its not effected on my code still my datagrid is in readonly mode, i don't know why it happens.
And I am adding data to my datagrid through "Wpf controls (TextBox,CheckBox,ComboBox and etc...)" while click on "save" button the data added to grid. adding to grid works properly but the entire row is in readonly mode. How can
i solve my problem. -
Disabling fields(Make the field as non-editable) in webdynpro ALV
HI All,
I have a requirement in the ABAP webdynpro where I have to disable(Make the field as non-editable) the field(or that ALV cell alone) in the ALV after the user has inputed in that field.
Is it possible, if yes, could you please give me some sample code , or links to which I can refer to.
Thanks for your help.
Regards,
Subash MHi,
Use the following approach :
1. Create an ALV and create an inputfield cell editor for the column that you want to make editable/disable.Refer this tutorial for creating an [Editable ALV|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/3133474a-0801-0010-d692-81827814a5a1]
2. Now under the same node create an attribute EDITABLE type boolean and bind this to the readonly property of the input field. Include the following code while creating Input field for binding.
lr_input_field->set_read_only_fieldname( 'EDITABLE' ).
3. Now implement the onDataCheck event or OnCellAction event and pass abap_true to this attibute to make the cell readonly/disable.Refer this tutorial for [Events in ALV|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/bd28494a-0801-0010-45a3-fc359d82d3e8]
Hope this helps.
Regards,
Radhika. -
Is there a way to color one thing in a black and white photo. Example: I have a picture of a tulip field and I want to make it black and white - which I have already done - but I want to make one single tulip red. Help?
No, you'll need an external editor for the job:
In order of price here are some suggestions:
Seashore (free)
The Gimp (free)
Graphic Coverter ($45 approx)
Acorn ($50 approx)
Pixelmator ($50 approx)
Photoshop Elements ($75 approx)
There are many, many other options. Search on MacUpdate. You can set Photoshop (or any image editor) as an external editor in iPhoto. (Preferences -> General -> Edit Photo: Choose from the Drop Down Menu.) This way, when you double click a pic to edit in iPhoto it will open automatically in Photoshop or your Image Editor, and when you save it it's sent back to iPhoto automatically. This is the only way that edits made in another application will be displayed in iPhoto. -
Toggle between allowing cell editing and disallowing....
Hi,
I have an edit button and when clicked it allows the user to edit all cells on the table, when clicked again all cell editing is disabled. I have a method which is called by the edit button event handler which works fine.. what to put in the method is the problem!
I was using:
private void setTableEnabled(boolean enable){
if(enable)
table.setCellSelectionEnabled(true);
table.setEnabled(true);
table.setBackground(enabledTableColour);
else
table.setCellSelectionEnabled(false);
table.setEnabled(false);
if(table.isEditing())
{ table.getCellEditor().stopCellEditing();
table.setBackground(disabledTableColour);
}This code worked except when i use the table.setEnabled(false) my dropdowns don't work. The editing needs to be disabled when the application is loaded. i dont know why it effects my dropdown menus...
Any ideas why or how i could go about it another way?
Would really appreciate any help or insight!
Thanks,
Saz
***I was using:
private void setTableEnabled(boolean enable){
if(enable)
table.setCellSelectionEnabled(true);
table.setEnabled(true);
table.setBackground(enabledTableColour);
else
table.setCellSelectionEnabled(false);
table.setEnabled(false);
if(table.isEditing())
{ table.getCellEditor().stopCellEditing();
table.setBackground(disabledTableColour);
You should make use of the fact that a boolean can only have 1 of two values... You don't need to check it with an if, so your code can be rewritten as:
private void setTableEnabled(boolean enable){
table.setCellSelectionEnabled(enable);
table.setEnabled(enable);
if (enable) {
table.setBackground(enabledTableColour);
} else {
table.getCellEditor().stopCellEditing();
table.setBackground(disabledTableColour);
This code worked except when i use the
table.setEnabled(false) my dropdowns
don't work. The editing needs to be disabled when the
application is loaded. i dont know why it effects my
dropdown menus...What dropdowns? -
Error when a DataGrid is edited
Hi,
I set my app DataGrid to editable to true. But when I double click to edit a cell, a Flash Player error occur :
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.accessibility::DataGridAccImpl/makeRowString()[E:\dev\4.5.1\frameworks\projects\spa rk\src\spark\accessibility\DataGridAccImpl.as:1068]
at spark.accessibility::DataGridAccImpl/eventHandler()[E:\dev\4.5.1\frameworks\projects\spar k\src\spark\accessibility\DataGridAccImpl.as:1031]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\co re\UIComponent.as:13128]
at spark.components.gridClasses::DataGridEditor/setEditedItemPosition()[E:\dev\4.5.1\framewo rks\projects\spark\src\spark\components\gridClasses\DataGridEditor.as:315]
at spark.components.gridClasses::DataGridEditor/dataGrid_gridItemEditorSessionStartingHandle r()[E:\dev\4.5.1\frameworks\projects\spark\src\spark\components\gridClasses\DataGridEditor .as:1204]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\co re\UIComponent.as:13128]
at spark.components.gridClasses::DataGridEditor/startItemEditorSession()[E:\dev\4.5.1\framew orks\projects\spark\src\spark\components\gridClasses\DataGridEditor.as:798]
at spark.components::DataGrid/startItemEditorSession()[E:\dev\4.5.1\frameworks\projects\spar k\src\spark\components\DataGrid.as:3803]
at spark.components.gridClasses::DataGridEditor/grid_gridMouseUpHandler()[E:\dev\4.5.1\frame works\projects\spark\src\spark\components\gridClasses\DataGridEditor.as:1379]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\co re\UIComponent.as:13128]
at spark.components::Grid/dispatchGridEvent()[E:\dev\4.5.1\frameworks\projects\spark\src\spa rk\components\Grid.as:4038]
at spark.components::Grid/grid_mouseDownDragUpHandler()[E:\dev\4.5.1\frameworks\projects\spa rk\src\spark\components\Grid.as:3883]
at Function/<anonymous>()[E:\dev\4.5.1\frameworks\projects\spark\src\spark\utils\MouseEventU til.as:96]
I tried to put the DataGrid in a very simple new project and there is no error.
Here is the code :
<s:DataGrid id="dgProperties" width="100%" height="100%" editable="true"
sortableColumns="false">
<s:ArrayCollection>
<s:DataItem key="1000" name="Abrasive" price="100.11" call="false"/>
<s:DataItem key="1001" name="Brush" price="110.01" call="true"/>
<s:DataItem key="1002" name="Clamp" price="120.02" call="false"/>
<s:DataItem key="1003" name="Drill" price="130.03" call="true"/>
<s:DataItem key="1004" name="Epoxy" price="140.04" call="false"/>
<s:DataItem key="1005" name="File" price="150.05" call="true"/>
<s:DataItem key="1006" name="Gouge" price="160.06" call="false"/>
<s:DataItem key="1007" name="Hook" price="170.07" call="true"/>
<s:DataItem key="1008" name="Ink" price="180.08" call="false"/>
<s:DataItem key="1009" name="Jack" price="190.09" call="true"/>
</s:ArrayCollection>
<s:columns>
<s:ArrayList>
<s:GridColumn headerText="name" dataField="name"/>
<s:GridColumn headerText="price" dataField="price"/>
</s:ArrayList>
</s:columns>
</s:DataGrid>
Thx.I have same problem.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.accessibility::DataGridAccImpl/makeRowString()[E:\dev\4.5.1\frameworks\projects\spa rk\src\spark\accessibility\DataGridAccImpl.as:1068]
at spark.accessibility::DataGridAccImpl/eventHandler()[E:\dev\4.5.1\frameworks\projects\spar k\src\spark\accessibility\DataGridAccImpl.as:1031]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\co re\UIComponent.as:13128]
at spark.components.gridClasses::DataGridEditor/setEditedItemPosition()[E:\dev\4.5.1\framewo rks\projects\spark\src\spark\components\gridClasses\DataGridEditor.as:315]
at spark.components.gridClasses::DataGridEditor/dataGrid_gridItemEditorSessionStartingHandle r()[E:\dev\4.5.1\frameworks\projects\spark\src\spark\components\gridClasses\DataGridEditor .as:1204]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\co re\UIComponent.as:13128]
at spark.components.gridClasses::DataGridEditor/startItemEditorSession()[E:\dev\4.5.1\framew orks\projects\spark\src\spark\components\gridClasses\DataGridEditor.as:798]
at spark.components::DataGrid/startItemEditorSession()[E:\dev\4.5.1\frameworks\projects\spar k\src\spark\components\DataGrid.as:3803]
at spark.components.gridClasses::DataGridEditor/doubleClickTimerHandler()[E:\dev\4.5.1\frame works\projects\spark\src\spark\components\gridClasses\DataGridEditor.as:1428]
at flash.utils::Timer/_timerDispatch()
at flash.utils::Timer/tick()
In the class DataGridAccImpl, line 1068: "rowString = rowString.replace("%1", dgAccInfo.reachableRowIndex + 1).replace("%2", dgAccInfo.reachableRowCount);". rowString is null.
After app initialized i call ResourceManager.getInstance().localeChain = [language]; (language = "fr_FR"). I tried "fr" "en_US" "pt_BR".. Same problem.
This problem is only in AIR project.
Anyone already solved this problem? -
IsCellEditable() to disable cell editing for specific columns
Hello experts:
My SSCCE for this question is at the below link:
http://forum.java.sun.com/thread.jspa?threadID=5293914&messageID=10244030#10244030
My question is how do I disable cell editing for all but the "Price" column of my table in the SSCCE. I tried adding the below lines of code right after creating the JTable. But get compilation errors.
//Here is the block of code that I am trying to include.
@Override
public boolean isCellEditable(int row, int col) {
if (col == 7) {
return true;
} else {
return false;
} //Below is the method in detail03.java showing the block of code added
private JScrollPane BuildEmptyTable() {
model = new DefaultTableModel();
model.addTableModelListener( this );
model.setColumnIdentifiers(new String[] { "SKU","Qty", "Price"});
tblDetailTest = new JTable(model);
@Override
public boolean isCellEditable(int row, int col) { // <----- I tried placing the
if (col == 7) { // the code block here
return true;
} else {
return false;
tblDetailTest.setRowHeight(20);
tblDetailTest.setPreferredScrollableViewportSize(new Dimension(900, 100));
JTableHeader tblHdr = tblDetailTest.getTableHeader();
tblHdr.setBackground(Color.yellow);
JScrollPane scrollPane = new JScrollPane(tblDetailTest);
return scrollPane;
}Can somebody please guide me? Thank you very much.oops!
Sorry, my bad! I did not tell you what I tried. Following your suggestion, I made the following 2 changes to the code:
In the method, BuildEmptyTable(), where I build the table structure, I have the following statement:
tblDetail = new JTable(model){
public boolean isCellEditable(int row, int col) {
return col == 8;
};And in a separate method after the table is populated with data, I have the below code:
tblDetail.getModel().addTableModelListener(new TableModelListener() {
public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE)
int row = e.getFirstRow();
int column = e.getColumn();
if (column == 8){
//code here
System.out.println("Updating item price!");
}I do understand that the message gets displayed as many number of times equal to number of rows inserted into the table, because of the UPDATE event. But my problem is I do not know how to make a code change to do what I exactly want, as I have indicated in my previous note. Meaning I want the listener to be called only when the
data in the editable cell changes.
Thank You. -
Making a Table cell editable. Please Help
Hello there,
I have written an Inner class called CallHeaderRenderer
which is used to select to highlight a row from a table.
But i am unable to edit the column data I click on.
Please can any one tell me how to edit the column value when you double click on it??
Attached is my Inner class used to select the concerned row.
I am unable to edit the concerned column.....
Please help.!!!
What is the statement to make the cell editable!!!
class CallHeaderRenderer extends DefaultTableCellRenderer{
public CallHeaderRenderer(){
super();
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column){
// Set the highlight for record chosen.
super.getTableCellRendererComponent(table,value,isSelected,hasFocus,row,column);
return this;
}A renderer has nothing to do with editing the cell. I suggest you read this section from the Swing tutorial on "Using Tables" for an explanation of how tables work. The tutorial will give one method for making a cell editable:
http://java.sun.com/docs/books/tutorial/uiswing/components/table.html
Here is an alternate way to make a cell editable:
table = new JTable( ... )
public boolean isCellEditable(int row, int column)
// All columns, except the first, are editable
if (column == 0)
return false;
else
return true;
};
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