Layer panel: "Edit Symbol" does nothing if no symbol defined for a rule (in rule-based rendering)

[qgib]

Author Name: Harrissou Santanna (@DelazJ)
Original Redmine Issue: 15106
Affected QGIS version: 3.0.0
Redmine category:unknown

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Create a rule-based rendering mode and set no symbol to one of the rules
In the Layers panel, right-click on the "no-symbolized" rule and select "Edit Symbol"
Nothing happens.

I think it should pop-up a message that there's no symbol associated to the rule (or, more advanced, ask if you want to associate one symbol and then open the corresponding dialog)

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• subject was changed from Layers anel: "Edit Symbol" does nothing if no symbol defined for a rule (in rule-based rendering) to Layer panel: "Edit Symbol" does nothing if no symbol defined for a rule (in rule-based rendering)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• easy_fix was configured as 0
• regression was configured as 0

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• category_id was configured as Unknown

[qgib]

Author Name: Harrissou Santanna (@DelazJ)

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• version was changed from 2.14.3 to 3.0.0
• description was changed from Create a rule-based rendering mode and set no symbol to one of the rules
  In the Layers panel, right-click on the "no-symbolized" rule and select "Edit Symbol"
  Nothing happens.

I think it should pop-up a message that there's no symbol associated to the rule (or, more advanced, ask if you want to associate one symbol and then open the corresponding dialog) to Create a rule-based rendering mode and set no symbol to one of the rules
In the Layers panel, right-click on the "no-symbolized" rule and select "Edit Symbol"
Nothing happens.

I think it should pop-up a message that there's no symbol associated to the rule (or, more advanced, ask if you want to associate one symbol and then open the corresponding dialog)