It was using a bit of programmer jargon there that was very hard to understand. Initially I was coming in here to remove the space at the end of the translated string but I'm now changing all of it to make it more clear to the user as well.
Done as a 5 minute fix.
Reproduction steps:
* In the Material Manager, click on 'Import material'.
* Change the file type in the file dialogue to 'All files'.
* Select any .def.json file, for example from Cura's own resources/definitions folder.
Previously this crashed the application. Now it shows the user an error message instead.
Fixes Sentry error CURA-D4.
This happens when the printer is changed, such as when changing the Machine Width in the machine settings dialogue. It updates these menus then and if not all extruders are defined it'll give the following errors:
2020-03-20 16:56:57,839 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/resources/qml/Menus/SettingsMenu.qml:51: TypeError: Cannot read property 'isEnabled' of undefined
2020-03-20 16:56:57,840 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/resources/qml/Menus/SettingsMenu.qml:44: TypeError: Cannot read property 'isEnabled' of undefined
2020-03-20 16:56:57,841 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/resources/qml/Menus/MaterialMenu.qml:26: TypeError: Cannot read property 'isEnabled' of undefined
2020-03-20 16:56:57,841 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/resources/qml/Menus/MaterialMenu.qml:28: TypeError: Cannot read property 'material' of undefined
Done during Turbo Testing and Tooling.
This then updates in a fraction of a millisecond later before things even appear on the screen, so it's not so bad to not have a tooltip or to have it show 0 then.
Done during Turbo Testing and Tooling.
This prevents a QML warning when the ListModel is created before the property provider is. This QML warning looked like this:
2020-03-20 15:04:30,012 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/cura/../resources/qml/MachineSettings/ComboBoxWithOptions.qml:74: TypeError: Cannot call method 'match' of undefined
Done during Turbo Testing and Tooling.
This widget can't set its width to the width of its children, since its children anchor to its right-hand side which depends on the width.
This fixes the following warning in the log:
2020-03-20 14:25:20,351 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/plugins/PrepareStage/PrepareMain.qml:16:5: QML ActionPanelWidget: Binding loop detected for property width
Done during Turbo Testing and Tooling.
Fixes the following QML warning in the logs:
2020-03-20 14:02:13,482 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///home/trin/Gedeeld/Projects/Cura/resources/qml/PrintSetupSelector/Recommended/RecommendedSupportSelector.qml:125:13: Unable to assign [undefined] to int
Instead it now assigns the first extruder before a printer has been created. The first extruder also doesn't exist yet at this point, but this doesn't really matter because there is no interface to show yet at this point.
Done during Turbo Testing and Tooling.
This removes a warning from our log that this image couldn't be found. Instead it now draws a completely transparent image there.
The warning that is no longer in the log now looked like this:
2020-03-20 13:52:27,980 - WARNING - [MainThread] UM.Qt.Bindings.Theme.getImage [133]: No image header_pattern defined in Theme
Done during Turbo Testing and Tooling.
