Hi Fritz,
many thanks for your very detailed input. Could you please file a bug
report for this issue? I think it would be sufficient if you just grab
the text of your mail and add it to the bug report. With such a detailed
report it should be easy to nail down this one.
cheers,
Alex
Fritz Zaucker wrote:
> Hi,
>
> I think there is a bug in ComboBox.js of version 0.7.3 (didn't check with
> 0.8.x) which is triggered when a ComboBox does not have an item selected -
> either after setting it up or after calling resetSelected() - and a
> changeLocale event occurs. The following code is enough to reproduce the
> error:
>
>
> var testMenu = new qx.ui.form.ComboBox();
> var testItem=new qx.ui.form.ListItem('test');
> testMenu.add(testItem);
> testMenu.addToDocument();
> qx.locale.Manager.getInstance().setLocale('de');
>
> whereas the following code does not give an error:
>
> var testMenu = new qx.ui.form.ComboBox();
> var testItem=new qx.ui.form.ListItem('test');
> testMenu.add(testItem);
> testMenu.addToDocument();
> testMenu.setSelected(testItem);
> qx.locale.Manager.getInstance().setLocale('de');
>
> I think the locale change event tries to change the label string of a none
> existing item.
>
> The error message is:
>
> item is null
> var label = item.getLabelObject();
>
> on line 1017 in ComboBox.js:
>
> 1004 /**
> 1005 * Return the formatted label text from the <code>ListItem</code>.
> 1006 * The formatter removes all HTML tags and converts all HTML entities
> 1007 * to string characters if the <code>ListItem</code> is identified as
> 1008 * HTML text or the mode is set to <code>"html"</code>.
> 1009 *
> 1010 * @type member
> 1011 * @param item {ListItem} The list item to format.
> 1012 * @return {String} The formatted text.
> 1013 */
> 1014 __defaultFormat : function(item)
> 1015
> 1015 {
> 1016 var valueLabel = item ? item.getLabel().toString() : "";
> 1017 var label = item.getLabelObject();
> 1018
> 1019 if (label != null)
> 1020 {
>
> I think there should be a check for item!=null protecting the call to
> item.getLabelObject() and an appropriate return if no item is selected.
>
> Cheers,
> Fritz
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