Method Update

stack.go:41–79

()

}

func (stack *Stack) Update() {

	grid := stack.Card.Page.Grid

	var above *Card

	grid.ForEachCardAbove(stack.Card, func(c *Card) bool {
		if c != stack.Card && stack.Card.PinnedTo != c {
			above = c
			return false
		}
		return true
	})

	stack.Above = above

	var below *Card

	grid.ForEachCardBelow(stack.Card, func(c *Card) bool {
		if c != stack.Card && stack.Card.PinnedTo != c {
			below = c
			return false
		}
		return true
	})

	// Prevent looping

	if below != nil && (below == above || below == stack.Card) {
		below = nil
	}

	if above == stack.Card {
		above = nil
	}

	stack.Below = below

}

func (stack *Stack) PostUpdate() {