On Sat, 12 Feb 2022 00:52:34 GMT, Anton Litvinov <[email protected]> wrote:
>> src/java.desktop/share/classes/javax/swing/JTable.java line 5508:
>>
>>> 5506: (table != null) && table.isEnabled() &&
>>> 5507: table.isCellEditable(row, column)) {
>>> 5508:
>>> table.setValueAt(Boolean.valueOf(newSelectedState),
>>
>> Where this code is triggered if the user click on the checkbox by the mouse?
>
> Mouse click on JCheckBox is handled differently from execution of "click"
> accessible action on this JCheckBox, because behind mouse click different AWT
> mouse events stand which are processed properly, while "doAccessibleAction()"
> does not involve these mouse events and all their code. So if you are
> worrying about focus or selection as a result of "doAccessibleAction()", then
> I checked the behavior of "doAccessibleAction" on JCheckBox, JButton located
> outside JTable and I confirm that it does not lead to setting of focus to
> these components, hence there is no need to set focus to this "JCheckBox"
> "BooleanRenderer" when it is in table cell and no need to change selection in
> JTable.
>
> I suppose that this code should be invoked only by calling
> "doAccessibleAction(int)" on object of "AccessibleAction" interface either
> through Java Accessibility API like it is in this regression test or through
> Java Access Bridge API from the native assistive software application like it
> is in the manual test attached to the bug and in that case it is called from
> the method "private boolean doAccessibleActions(final AccessibleContext ac,
> final String name)" in the file
> "src/jdk.accessibility/windows/classes/com/sun/java/accessibility/internal/AccessBridge.java".
> The reason of the issue is the fact that when the assistive technology
> software tries to do "AccessibleAction" on "AccessibleContext" associated
> with a cell with boolean data type in "JTable" component through Java Access
> Bridge (JAB), the JDK executes this "AccessibleAction" on "AccessibleContext"
> of a renderer, which is an instance of the class
> "javax.swing.JTable.BooleanRenderer" which is a derivative of "JCheckBox"
> class, and the instance of this renderer is single and common for all cells
> of boolean data type. Therefore execution of "click" "AccessibleAction" on
> this renderer component which is not permanently bound to any particular cell
> in the table does not lead to update of the table cell value.
But how do the real mouse clicks trigger selection/deselection of the checkbox
state, I guess that the "table.setValueAt()" should be called somewhere, can we
do something similar from the "doAccessibleAction()"?
-------------
PR: https://git.openjdk.java.net/jdk/pull/7416
