JTree stop cell editing on lost focus and scrollPathToVIsible behavior

how can you make a Jtree that uses a DefaultTreeCellEditor stop editing when it loses focus to a component other than the
cell editor's DefaultTextField component ?
i had to use a custom TreeCellEditor and attach my focus listener to the DefaultTextField object and attach it also to the JTree object
          DefaultTreeCellEditor celEditor = new DefaultTreeCellEditor(containerTree,renderer)
               @Override
               public Component getTreeCellEditorComponent(JTree tree, Object value,
                                 boolean isSelected,
                         boolean expanded,
                         boolean leaf, int row) {
                    Component comp = super.getTreeCellEditorComponent(tree, value, isSelected, expanded, leaf, row);
                    boolean found= false;
                    for(FocusListener f:editingComponent.getFocusListeners())
                         if(focusListener.equals(f))
                              found=true;
                              break;
                    if(!found)
                         editingComponent.addFocusListener(focusListener);
                    return comp;
myTree.addFocusListener(focusListener);in JTable there's a property that you switch on/off which does exactly that, is there anything alike for JTree ?
one more thing,after adding a new TreeNode to the JTree,i'm calling scrollPathToVisible(<path to the new node>),but for all the nodes i add except the first, the user object is not displayed,am i missing something? here's my code
          ActionListener actionListener = new ActionListener(){
               public void actionPerformed(ActionEvent ae){
                    DefaultTreeModel model = (DefaultTreeModel)containerTree.getModel();
                    int nodeCount=containerTree.getModel().getChildCount(root);
                    if(ae.getSource().equals(menuAdd))
                         DefaultMutableTreeNode newNode=new DefaultMutableTreeNode();
                         if(currentNode>0 && currentNode+1<nodeCount)
                              model.insertNodeInto(newNode, root, currentNode+1);
                              newNode.setUserObject("container #"+(currentNode+1));
                         else
                              model.insertNodeInto(newNode, root, root.getChildCount());
                              newNode.setUserObject("container #"+nodeCount);
                         TreePath path = new TreePath(newNode.getPath());
                                        // only works properly for 1st node,for the rest i have to
                                        // click on the new node to get the proper display
                         containerTree.scrollPathToVisible(path);
                    else if(nodeCount>=0 && currentNode!=0)
                         model.removeNodeFromParent((DefaultMutableTreeNode)model.getChild(root, currentNode-1));
          };

i solved the second issue by selecting the new node and starting to edit it

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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:
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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;
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private class ComboCellEditor extends AbstractCellEditor implements TableCellEditor {
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}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.

Stop cell editing

I am facing bit common problem related to stop cell editing, here is code attached, when i do insert any string on cell and right after that clicking on save button, and i want to stop cell editing of table.
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but my problem is that i don't have access of this table on action performed of button. and that is not possible to access table here on action event. smake 'table' a field instead of local variable.
public class TableEdit extends JFrame
     JTable table = new JTable(5, 5);
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ALV Grid Handle Edit Event (Lost Focus)

Hi all,
I have some problems with the ALV Grid.
Target:
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Thanks Stefan

Use Event data_changed and data_changed_finished of the cl_gui_alv_grid.Then all you have to do is registering your event to the ALV and fill the methods with what you want to do.In ALV Grid, There is no event to capture the lost focus of a column if you don't modify it.
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I have a ListView filled with cells and I'd like to scroll to the next cell to have it focused and selected.
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<ListView.ItemTemplate>
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</DataTemplate>
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</ListView>
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var parent = VisualTreeHelper.GetParent(dependencyObject);
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Hope that helps.
Please remember to close your threads by marking helpful posts as answer.

[SOLVED] Google Chrome doesn't render page after lost focus in Awesome

Hello !
I have installed fresh Arch Linux with linux-ck and awesome. After that I have installed google-chrome-stable and started it. Everything works well, but if I opened other application (chrome lost focus) and then got back to the chrome, it freezes. Mouce cursor worked as expected (cursor changed after hovering link, input field, etc) but view was not updated.
Everything works well again if I change desktop to the second and go back to the first again (mod+2, mod+1). Chrome works, responses etc well.
bvg
Did you met something like that ? How can I fix it ?
Edit:
I bet this issue has something in common with hw acceleration. If I run some game on steam, lost focus, got back to the game - it show last rendered screen before focus has been lost (sound is ok, game is responsible but not updates screen).
I use nvidia. Do I need some extra configuration to handle it ?
Last edited by hsz (2013-12-18 17:16:17)

The problem was `xcompmgr` which caused "freezing" view. I switched it to `unagi` and all of the problems have gone.

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I'd probably wait for updateComplete and then call setFocus again. And/or
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Hi
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I have been sampling new imported drum loops. And if I adjust region to song or time strecth it updates the audio file in the library. How to stop this? I lost the original setting to one loop. automatically doing it ??

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Use a node.focusedProperty() change listener to know when a field gains or loses focus.
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Any ideas why or how i could go about it another way?
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***

I was using:
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A technique I have used at times to quickly disable multiple controls at one time (provided they are located near each other) is to create a simple string indicator that is transparent. Size it so that it covers the controls (in your case the table) that you want to disable. In your code when you want to disable those controls use the property node to make the transparent string control visible. When you want to enable the controls use the property node to set the "visible" attribute to false. This is a simple trick that can be useful at times.
Message Edited by Mark Yedinak on 02-17-2010 02:32 PM
Mark Yedinak
"Does anyone know where the love of God goes when the waves turn the minutes to hours?"
Wreck of the Edmund Fitzgerald - Gordon Lightfoot

JTree stop cell editing on lost focus and scrollPathToVIsible behavior

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