Add the ability to limit Draggables to a single axis#17587
Merged
DaveShuckerow merged 2 commits intoflutter:masterfrom May 15, 2018
Merged
Add the ability to limit Draggables to a single axis#17587DaveShuckerow merged 2 commits intoflutter:masterfrom
DaveShuckerow merged 2 commits intoflutter:masterfrom
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Hixie
reviewed
May 15, 2018
| /// than in a scroll because the draggable widget, being the more specific | ||
| /// widget, will out-compete the [Scrollable] for vertical gestures. | ||
| /// | ||
| /// |
Contributor
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remove one extra blank line here
Hixie
reviewed
May 15, 2018
| return velocity; | ||
| } | ||
| return new Velocity( | ||
| pixelsPerSecond: _restrictAxis(velocity.pixelsPerSecond)); |
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put this all on one line or put a comma after the first ) so that the next one ends up on the next line.
Hixie
reviewed
May 15, 2018
| Offset _restrictAxis(Offset offset) { | ||
| if (axis == null) { | ||
| return offset; | ||
| } else if (axis == Axis.horizontal) { |
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you can omit the else if you have a return in the previous block.
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HansMuller
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that referenced
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May 15, 2018
This reverts commit 5159ab3.
HansMuller
pushed a commit
that referenced
this pull request
May 15, 2018
This reverts commit 5159ab3.
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Part 1 of solving #16763.
This adds a new field to the Draggable API: axis. Behavior covered in the DartDoc, but setting it limits the underlying _DragAvatar's motion to the assigned axis. When axis is null, the behavior is the same as before. As a result, this won't break anything.