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[Mahara Bot <1930624@xxxxxxxxxxxxxxxxxx>]

Patch for "20.10_STABLE" branch: https://reviews.mahara.org/11902

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https://bugs.launchpad.net/bugs/1930624

Title:
  Grid Stack items prevent touch swipe

Status in Mahara:
  Fix Committed
Status in Mahara 20.04 series:
  Fix Committed
Status in Mahara 20.10 series:
  Fix Committed
Status in Mahara 21.04 series:
  Fix Committed
Status in Mahara 21.10 series:
  Fix Committed

Bug description:
  The JQuery UI components used in Grid Stack prevent touch swipe for
  scrolling on mobile devices. The actual tiles created by Grid Stack
  contain the class "ui-draggable-handle" which disables any touch
  action:

  .ui-draggable-handle {
      -ms-touch-action: none;
      touch-action: none;
  }

  As you can see in the screenshot attached to the issue, having
  multiple tiles will confuse users because they can only scroll outside
  of the actual tile. The more width and the less space the tiles have,
  it becomes almost impossible to scroll on a smartphone.

  We used the following workaround to patch this problem:

  .grid-stack>.grid-stack-item>.grid-stack-item-content {
      touch-action: auto!important;
  }

  However it would be better to solve this cleanly.

  Mahara version: 20.04, but according to source unchanged in current
  versions

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