I have a script that will cycle thru a form and add a handler to the row so
that if it is clicked it will check the checkbox within the row with
basically cb.checked = !cb.checked. This part works great except if you
click on the checkbox itself. It will also trigger the row. Am I missing an
obvious way of how to avoid that? Reason, like I was saying. Clicking on the
row toggles the checkbox but if the checkbox is unchecked and you check it,
it will instantly go back to unchecked making the appearance it was never
checked. Hence, it's always unchecked unless you hit the row. I need to come
up with something I can add into the code that looks at the checkbox somehow
to avoid this. It's as if the handler would need to see if it itself was
clicked or the control within it itself (the row).
Any ideas?
Thanks
Steffan 3 1510
On Sep 5, 1:01 pm, "Steffan A. Cline" <stef...@hldns. comwrote:
I have a script that will cycle thru a form and add a handler to the row so
that if it is clicked it will check the checkbox within the row with
basically cb.checked = !cb.checked. This part works great except if you
click on the checkbox itself. It will also trigger the row. Am I missing an
obvious way of how to avoid that? Reason, like I was saying. Clicking on the
row toggles the checkbox but if the checkbox is unchecked and you check it,
it will instantly go back to unchecked making the appearance it was never
checked. Hence, it's always unchecked unless you hit the row. I need to come
up with something I can add into the code that looks at the checkbox somehow
to avoid this. It's as if the handler would need to see if it itself was
clicked or the control within it itself (the row).
1. Add a handler to the checkbox that cancels bubbling.
2. In the row handler, see if the target was the checkbox (or its
label) and don't toggle the checked property if it is.
I think 2. may be the better option.
--
Rob
in article 11************* *********@k79g2 00...legr oups.com, RobG at rg***@iinet.net .au wrote on 9/5/07 3:22 AM:
On Sep 5, 1:01 pm, "Steffan A. Cline" <stef...@hldns. comwrote:
>I have a script that will cycle thru a form and add a handler to the row so that if it is clicked it will check the checkbox within the row with basically cb.checked = !cb.checked. This part works great except if you click on the checkbox itself. It will also trigger the row. Am I missing an obvious way of how to avoid that? Reason, like I was saying. Clicking on the row toggles the checkbox but if the checkbox is unchecked and you check it, it will instantly go back to unchecked making the appearance it was never checked. Hence, it's always unchecked unless you hit the row. I need to come up with something I can add into the code that looks at the checkbox somehow to avoid this. It's as if the handler would need to see if it itself was clicked or the control within it itself (the row).
1. Add a handler to the checkbox that cancels bubbling.
2. In the row handler, see if the target was the checkbox (or its
label) and don't toggle the checked property if it is.
I think 2. may be the better option.
Rob,
Have an example of either?
Here is what I current an using to add the handler to the row
row.onclick = function () {
var x = getControl(this );
if( x )
{
switch( x.type )
{
case( "radio" ) : this.style.back groundColor = selectedColor;
x.checked = true;
break;
case( "checkbox" ): x.checked = !x.checked;
this.style.back groundColor = ( x.checked ?
selectedColor : unselectedColor );
break;
case( "select" ) : // non standard
case( "select-multiple" ):
case( "select-one" ) : this.style.back groundColor = (
x.selectedIndex ? selectedColor : unselectedColor );
break;
}
formWasChanged = true;
setTotal();
}
}
I've been thinking on your ideas as they were what I knew I needed to do but
couldn't think of how.
Thanks
Steffan
in article 11************* *********@k79g2 00...legr oups.com, RobG at rg***@iinet.net .au wrote on 9/5/07 3:22 AM:
On Sep 5, 1:01 pm, "Steffan A. Cline" <stef...@hldns. comwrote:
>I have a script that will cycle thru a form and add a handler to the row so that if it is clicked it will check the checkbox within the row with basically cb.checked = !cb.checked. This part works great except if you click on the checkbox itself. It will also trigger the row. Am I missing an obvious way of how to avoid that? Reason, like I was saying. Clicking on the row toggles the checkbox but if the checkbox is unchecked and you check it, it will instantly go back to unchecked making the appearance it was never checked. Hence, it's always unchecked unless you hit the row. I need to come up with something I can add into the code that looks at the checkbox somehow to avoid this. It's as if the handler would need to see if it itself was clicked or the control within it itself (the row).
1. Add a handler to the checkbox that cancels bubbling.
2. In the row handler, see if the target was the checkbox (or its
label) and don't toggle the checked property if it is.
I think 2. may be the better option.
I changed my control click handler per your suggestions.
myControl.oncli ck = function (e) {
e.cancelBubble = true;
...
}
This seems to work fine for me in safari and firefox. I haven't checked IE
yet, but is this what you were referring to? Are there any caveats to this?
Thanks,
Steffan This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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