Review Request 123352: Fix DockerStylesComboModel

[Thorsten Zachmann]

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https://git.reviewboard.kde.org/r/123352/
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Review request for Calligra.


Repository: calligra


Description
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This patch fixes the style combo box showing the wrong name for a style after adding a style.

To reproduce the problem:

Create a new stage document (Template Screen Empty):
Add a text shape
Write one line of text
Assign the text the paragraph style Standard.
Change to center alignment.
Use the plus button in the paragraph style to assign it the new name S2.
Change the alignment to right.
Use the plus button in the paragraph style to assign it the new name S1.

Now open the combobox and scroll to the top. It will show 3 times S1.
The problem is that the index in the StylesModel is changed but not index in the DockerStylesComboModel.cpp mapping.
Therefor all 3 styles pointing to the same index.

As the model is recreated all the time it just also newly creates the mapping simplifying the code in doing so.
It also changes the magic -1 to be a Constant.


Diffs
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  plugins/textshape/dialogs/DockerStylesComboModel.cpp 409a9f1 
  plugins/textshape/dialogs/StylesModel.h d15651f 
  plugins/textshape/dialogs/StylesModel.cpp f996824 

Diff: https://git.reviewboard.kde.org/r/123352/diff/


Testing
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Tested adding of various style with different names. Worked quite nicly


Thanks,

Thorsten Zachmann

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