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ZO_HORIZONTALSCROLLLIST_MOVEMENT_TYPES =
{
INITIAL_UPDATE = 1,
MOVE_RIGHT = 2,
MOVE_LEFT = 3,
-- LAST allows derived classes to start their movement enumerations after the base movements
LAST = 4,
}
ZO_HORIZONTAL_SCROLL_LIST_DISPLAY_FIXED_NUMBER_OF_ENTRIES = 1
ZO_HORIZONTAL_SCROLL_LIST_ANCHOR_ENTRIES_AT_FIXED_DISTANCE = 2
end
end
--[[ Public API ]]--
return horizontalScrollList
end
return leftData == rightData
end
local DEFAULT_NUM_VISIBLE_ENTRIES = 5
-- for best results numVisibleEntries should be odd
function ZO_HorizontalScrollList:Initialize(control, templateName, numVisibleEntries, setupFunction, equalityFunction, onCommitWithItemsFunction, onClearedFunction)
self.numVisibleEntries = (numVisibleEntries or DEFAULT_NUM_VISIBLE_ENTRIES) + 2
self.offsetBetweenEntries = 0
self.displayEntryType = ZO_HORIZONTAL_SCROLL_LIST_DISPLAY_FIXED_NUMBER_OF_ENTRIES
self.allowWrapping = false
self.isMoving = false
self.dragging = true
end
end
if self.dragging then
self.dragging = false
self:SetSelectedIndex(zo_round((self:CalculateSelectedIndexOffset() + totalDeltaX + lastFrameDeltaX) / self.controlEntryWidth))
end
end
if self.dragging then
end
end
self.controls = {}
for i = 1, self.numVisibleEntries do
self.controls[i] = entryControl
end
end
self.allowWrapping = allowWrapping
end
end
self.dragging = false
end
end
self.minScale = minScale
self.maxScale = maxScale
end
if self.noItemsLabel then
end
end
self.displayEntryType = displayEntryType
end
self.offsetBetweenEntries = offsetBetweenEntries
end
return self.isMoving
end
function ZO_HorizontalScrollList:SetSelectionHighlightInfo(selectionHighlightControl, selectionHighlightAnimation)
self.selectionHighlightControl = selectionHighlightControl
self.selectionHighlightAnimation = selectionHighlightAnimation
end
-- use to override the calculated entry width when we have a scroll list
-- whose width is not equivalent to the number of visible entries
self.controlEntryWidth = entryWidth
end
local INITIAL_UPDATE = true
if self.isMoving then
else
local RESELECTING_DURING_REBUILD = true
self:UpdateAnchors(self:CalculateSelectedIndexOffsetWithDrag(), INITIAL_UPDATE, RESELECTING_DURING_REBUILD)
end
end
end
end
end
end
function ZO_HorizontalScrollList:SetSelectedIndex(selectedIndex, allowEvenIfDisabled, withoutAnimation, reselectingDuringRebuild)
if selectedIndex and not self.allowWrapping then
end
if self.selectedIndex ~= selectedIndex then
local oldData = self.targetData
end
if self.selectedIndex and self.active then
if selectedIndex > self.selectedIndex then
else
end
end
self.selectedIndex = selectedIndex
end
end
if withoutAnimation then
end
end
function ZO_HorizontalScrollList:SetSelectedDataIndex(dataIndex, allowEvenIfDisabled, withoutAnimation)
end
self.lastPrimaryControlOffsetX = nil
self.oldSelectedData = self.selectedData
self.selectedIndex = nil
self.selectedData = nil
end
end
end
local function FindMatchingIndex(oldSelectedData, halfNumVisibleEntries, newDataList, equalityFunction)
if oldSelectedData then
return 1 - newDataIndex
end
end
end
return nil
end
end
end
if hasItems then
end
local matchingIndex = FindMatchingIndex(self.oldSelectedData, self.halfNumVisibleEntries, self.list, self.equalityFunction)
local reselectingDuringRebuild = matchingIndex ~= nil
local ALLOW_EVEN_IF_DISABLED = true
local INITIAL_UPDATE = true
self:UpdateAnchors(self:CalculateSelectedIndexOffsetWithDrag(), INITIAL_UPDATE, reselectingDuringRebuild)
end
self.oldSelectedData = nil
if self.noItemsLabel then
end
end
end
return self.selectedData
end
end
return self.selectedIndex
end
return self.controls[self.halfNumVisibleEntries + 1]
end
end
end
end
end
--[[ Private API ]]--
if self.dragging then
elseif self.isMoving then
end
end
end
if self.selectedIndex then
return self.selectedIndex * self.controlEntryWidth
end
return 0
end
if self.dragging then
if self.allowWrapping then
end
return zo_clamp(self:CalculateSelectedIndexOffset() + (GetUIMousePosition() - self.draggingXStart), -self.controlEntryWidth * (#self.list - 1), 0)
end
end
return (controlIndex - newVisibleIndex) - self.halfNumVisibleEntries - 1
end
return offsetIndex + newVisibleIndex + self.halfNumVisibleEntries + 1
end
end
end
end
function ZO_HorizontalScrollList:UpdateAnchors(primaryControlOffsetX, initialUpdate, reselectingDuringRebuild)
if self.isUpdatingAnchors then return end
self.isUpdatingAnchors = true
local oldPrimaryControlOffsetX = self.lastPrimaryControlOffsetX or 0
local visibleIndicesChanged = oldVisibleIndex ~= newVisibleIndex
local oldData = self.selectedData
else
if initialUpdate or visibleIndicesChanged then
local selected = i == self.halfNumVisibleEntries + 1
if selected then
if not reselectingDuringRebuild and self.selectionHighlightAnimation and not self.selectionHighlightAnimation:IsPlaying() then
end
if not initialUpdate and not reselectingDuringRebuild and self.dragging then
end
end
self.setupFunction(control, data, selected, reselectingDuringRebuild, self.enabled, self.selectedFromParent)
end
local offsetX = primaryControlOffsetX + index * self.controlEntryWidth
if self.displayEntryType == ZO_HORIZONTAL_SCROLL_LIST_DISPLAY_FIXED_NUMBER_OF_ENTRIES then
else
end
if self.minScale and self.maxScale then
local amount = ZO_EaseInQuintic(zo_max(1.0 - zo_abs(offsetX) / (self.control:GetWidth() * .5), 0.0))
end
end
end
self.lastPrimaryControlOffsetX = primaryControlOffsetX
self.rightArrow:SetEnabled(self.enabled and (self.allowWrapping or newVisibleIndex ~= 1 - #self.list))
self.isUpdatingAnchors = false
end
end
end
local controlHalfWidth = self.controlEntryWidth / 2
-- check if control is on the left side
if offsetX < -controlHalfWidth then
local nextControl = self.controls[nextControlIndex]
-- check if control is on the right side
elseif offsetX > controlHalfWidth then
local previousControl = self.controls[previousControlIndex]
else
end
end
break
end
end
end
break
end
end
end
end
if self.isMoving ~= isMoving then
self.isMoving = isMoving
end
if self.selectionHighlightControl then
end
end
end
--This is for the case where a horizontal scroll list is an entry in another list
-- and you want to change the horizontals look based on it being selected
self.selectedFromParent = selected
end
end |