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Add shift policy to grids

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Insality
2020-11-08 23:20:16 +03:00
parent 560c6cb95f
commit 74efdbfe71
4 changed files with 57 additions and 24 deletions
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33
druid/extended/dynamic_grid.lua
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@@ -136,18 +136,19 @@ end
-- @tparam DynamicGrid self
-- @tparam node node Gui node
-- @tparam[opt] number index The node position. By default add as last node
-- @tparam[opt=false] bool is_shift_left If true, shift all nodes to the left, otherwise shift nodes to the right
function DynamicGrid.add(self, node, index, is_shift_left)
local delta = is_shift_left and -1 or 1
-- @tparam[opt=SHIFT.RIGHT] number shift_policy How shift nodes, if required. See const.SHIFT
function DynamicGrid.add(self, node, index, shift_policy)
shift_policy = shift_policy or const.SHIFT.RIGHT
local delta = shift_policy -- -1 or 1 or 0
-- By default add node at end
index = index or ((self.last_index or 0) + 1)
-- If node exist at index place, shifting them
local is_shift = self.nodes[index]
local is_shift = self.nodes[index] and shift_policy ~= const.SHIFT.NO_SHIFT
if is_shift then
-- We need to iterate from index to start or end grid, depends of shift side
local start_index = is_shift_left and self.first_index or self.last_index
local start_index = shift_policy == const.SHIFT.LEFT and self.first_index or self.last_index
for i = start_index, index, -delta do
self.nodes[i + delta] = self.nodes[i]
end
@@ -158,14 +159,13 @@ function DynamicGrid.add(self, node, index, is_shift_left)
-- After shifting we should recalc node poses
if is_shift then
-- We need to iterate from placed node to start or end grid, depends of shift side
local target_index = is_shift_left and self.first_index or self.last_index
local target_index = shift_policy == const.SHIFT.LEFT and self.first_index or self.last_index
for i = index + delta, target_index + delta, delta do
local move_node = self.nodes[i]
move_node.pos = self:get_pos(i, move_node.node, i - delta)
end
end
-- Sync grid data
self:_update()
@@ -178,9 +178,11 @@ end
-- @tparam DynamicGrid self
-- @tparam number index The grid node index to remove
-- @tparam[opt=false] bool is_shift_left If true, shift all nodes to the left, otherwise shift nodes to the right
-- @tparam[opt=SHIFT.RIGHT] number shift_policy How shift nodes, if required. See const.SHIFT
-- @treturn Node The deleted gui node from grid
function DynamicGrid.remove(self, index, is_shift_left)
local delta = is_shift_left and -1 or 1
function DynamicGrid.remove(self, index, shift_policy)
shift_policy = shift_policy or const.SHIFT.RIGHT
local delta = shift_policy -- -1 or 1 or 0
assert(self.nodes[index], "No grid item at given index " .. index)
@@ -189,11 +191,13 @@ function DynamicGrid.remove(self, index, is_shift_left)
self.nodes[index] = nil
-- After delete node, we should shift nodes and recalc their poses, depends from is_shift_left
local target_index = is_shift_left and self.first_index or self.last_index
for i = index, target_index, delta do
self.nodes[i] = self.nodes[i + delta]
if self.nodes[i] then
self.nodes[i].pos = self:get_pos(i, self.nodes[i].node, i - delta)
if shift_policy ~= const.SHIFT.NO_SHIFT then
local target_index = shift_policy == const.SHIFT.LEFT and self.first_index or self.last_index
for i = index, target_index, delta do
self.nodes[i] = self.nodes[i + delta]
if self.nodes[i] then
self.nodes[i].pos = self:get_pos(i, self.nodes[i].node, i - delta)
end
end
end
@@ -407,7 +411,6 @@ function DynamicGrid:get_offset()
local offset = vmath.vector3(
(borders.z + borders.x)/2 + size.x * self.pivot.x,
(borders.y + borders.w)/2 + size.y * self.pivot.y,
0,
0)
return offset