feature/Alert user when leaving page with un submit form.

[ibelar]

Alert user when leaving page with un submit form data.

$app->add(['Form', 'canLeave' => false]);

[romaninsh]

does this also apply on regular as well as multi-line form?

[romaninsh]

looks good!

[romaninsh]

@ibelar this breaks test-scripts.. ..

[romaninsh]

breaks selenium...

[codecov]

Codecov Report

Merging #705 into develop will decrease coverage by 25.46%.
The diff coverage is 0%.

@@              Coverage Diff               @@
##             develop     #705       +/-   ##
==============================================
- Coverage      68.75%   43.28%   -25.47%     
- Complexity      2046     2051        +5     
==============================================
  Files            106      106               
  Lines           4813     4969      +156     
==============================================
- Hits            3309     2151     -1158     
- Misses          1504     2818     +1314

Impacted Files	Coverage Δ	Complexity Δ
src/Form.php	68.34% <ø> (-6.48%)	66 <0> (+1)
src/FormField/Generic.php	45.83% <0%> (-49.63%)	11 <2> (ø)
src/AccordionSection.php	0% <0%> (-100%)	3% <0%> (ø)
src/HelloWorld.php	0% <0%> (-100%)	1% <0%> (ø)
src/Layout/Centered.php	0% <0%> (-100%)	1% <0%> (ø)
src/FormField/Radio.php	0% <0%> (-100%)	16% <0%> (ø)
src/FormField/Money.php	0% <0%> (-100%)	6% <0%> (ø)
src/Columns.php	0% <0%> (-100%)	10% <0%> (ø)
src/TableColumn/Password.php	0% <0%> (-100%)	1% <0%> (ø)
src/FormLayout/Section/Generic.php	0% <0%> (-100%)	1% <0%> (ø)
... and 73 more

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[codecov]

Codecov Report

Merging #705 into develop will increase coverage by 0.1%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             develop     #705     +/-   ##
============================================
+ Coverage      68.75%   68.85%   +0.1%     
- Complexity      2046     2047      +1     
============================================
  Files            106      106             
  Lines           4813     4819      +6     
============================================
+ Hits            3309     3318      +9     
+ Misses          1504     1501      -3

Impacted Files	Coverage Δ	Complexity Δ
src/Form.php	74.82% <ø> (ø)	66 <0> (+1)	⬆️
src/FormField/Radio.php	100% <100%> (ø)	16 <2> (ø)	⬇️
src/FormField/Generic.php	95.83% <100%> (+0.37%)	11 <2> (ø)	⬇️
src/FormField/Calendar.php	84.61% <100%> (+1.28%)	10 <3> (ø)	⬇️
src/TableColumn/Status.php	82.35% <0%> (+8.82%)	12% <0%> (ø)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[ibelar]

@romaninsh - I added change to fix test. Yes, may be used on all form. Form using Calendar field might not detect changed on these field.