Hi Johannes,
I'm not that good at QML but you may try this out if it works...
*MouseArea {
onClicked: foo._someCondition ? foo.checked = !foo.checked : foo.checked
= foo.checked*
*} *
On Thu, May 31, 2012 at 10:51 PM, Johannes Zellner <
[email protected]> wrote:
> Hi,
>
> maybe the question was already raised and I just missed that. I did not
> find
> anything so far.
>
> Is there a way in QML to create custom setters or getters to properties?
>
> The issue I am facing is a, to be able to control the setting of a custom
> property, based on the component internal state.
> The snippet is not complete nor working, but should show the issue:
>
> Foo {
> id: foo
> property bool checked: false
> property bool _someCondition: (a < b)
> }
>
> Rectangle {
> color: foo.checked ? "green" : "red"
> }
>
> MouseArea {
> onClicked: foo.checked = !foo.checked
> }
>
> So clicking on the MouseArea toggles the foo.checked, but the actual
> foo.checked should be only changed if foo._someCondition is true. So the
> Rectangle's color binding should only be evaluated in case the foo.checked
> really changes. Resetting the property after doing some onCheckedChanged is
> not what I want.
> I only found a clean solution with creating a custom setter here, which is
> of
> course possible when creating a custom c++ class for Foo{}.
>
> Would be nice to avoid this, any ideas? Maybe there is a plain simple
> solution
> and my QML knowledge is just too limited :-)
>
> Thanks,
> Johannes
> _______________________________________________
> Qt-qml mailing list
> [email protected]
> http://lists.qt.nokia.com/mailman/listinfo/qt-qml
>
--
WIth Best Regards
Manoj
Save a Paper; Save a Tree....
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