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local DEFAULT_EXPECTED_ENTRY_HEIGHT = ZO_GAMEPAD_DEFAULT_LIST_ENTRY_SELECTED_HEIGHT
local DEFAULT_EXPECTED_HEADER_HEIGHT = 24
ZO_PARAMETRIC_MOVEMENT_TYPES =
{
MOVE_NEXT = 1,
MOVE_PREVIOUS = 2,
JUMP_NEXT = 3,
JUMP_PREVIOUS = 4,
-- LAST allows derived classes to start their movement enumerations after the base movements
LAST = 5,
}
--[[ Public API ]]--
return scrollList
end
PARAMETRIC_SCROLL_LIST_VERTICAL = true
PARAMETRIC_SCROLL_LIST_HORIZONTAL = false
ZO_VERTICAL_PARAMETRIC_LIST_DEFAULT_FADE_GRADIENT_SIZE = 150
ZO_HORIZONTAL_PARAMETRIC_LIST_DEFAULT_FADE_GRADIENT_SIZE = 300
function ZO_ParametricScrollList:Initialize(control, mode, onActivatedChangedFunction, onCommitWithItemsFunction, onClearedFunction)
if(screenCenterControl) then
end
end
self.movementController = ZO_MovementController:New(self.mode == PARAMETRIC_SCROLL_LIST_VERTICAL and MOVEMENT_CONTROLLER_DIRECTION_VERTICAL or MOVEMENT_CONTROLLER_DIRECTION_HORIZONTAL)
end
return leftData == rightData
end
end
function ZO_ParametricScrollList:AddDataTemplate(templateName, setupFunction, parametricFunction, equalityFunction, controlPoolPrefix, controlPoolResetFunction)
local dataTypeInfo = {
pool = controlPool,
hasHeader = false,
}
end
end
end
end
end
function ZO_ParametricScrollList:SetDataTemplateWithHeaderReleaseFunction(templateName, releaseFunction)
end
end
function ZO_ParametricScrollList_DefaultMenuEntryWithHeaderSetup(control, data, selected, selectedDuringRebuild, enabled, activated)
end
end
function ZO_ParametricScrollList:AddDataTemplateWithHeader(templateName, setupFunction , parametricFunction, equalityFunction, headerTemplateName, optionalHeaderSetupFunction, controlPoolPrefix, controlPoolResetFunction)
local entryTemplateName = templateName
templateName = templateName.."WithHeader"
if controlPoolPrefix then
controlPoolPrefix = controlPoolPrefix.."WithHeader"
end
local dataTypeInfo = {
pool = ZO_ControlPool:New(entryTemplateName, self.scrollControl, controlPoolPrefix or templateName),
headerSetupFunction = optionalHeaderSetupFunction or ZO_ParametricScrollList_DefaultMenuEntryWithHeaderSetup,
hasHeader = true,
}
local headerControl = CreateControlFromVirtual(control:GetName().."Header", self.scrollControl, headerTemplateName)
--We create the control as a child of the scroll control, but the anchors are specified in relation to this control.
--We do this to have the header not inherit alpha from changing the control's alpha
for i = 0, 1 do
if isValid then
end
end
end)
end
end)
end)
end
end
end
end
function ZO_ParametricScrollList:AddEntryAtIndex(index, templateName, data, prePadding, postPadding, preSelectedOffsetAdditionalPadding, postSelectedOffsetAdditionalPadding, selectedCenterOffset)
--Keep these parallel arrays in sync with RemoveEntry below
-- NOTE: These are set to false if not specified as nil will cause the next entry to have an incorrect index in the field. Direct
-- access is not recommended, use the GetSelectedAdditionalPaddingForDataIndex() or GetPaddingForDataIndex() functions instead.
table.insert(self.preSelectedOffsetAdditionalPadding, index, preSelectedOffsetAdditionalPadding or false)
table.insert(self.postSelectedOffsetAdditionalPadding, index, postSelectedOffsetAdditionalPadding or false)
end
end
function ZO_ParametricScrollList:AddEntry(templateName, data, prePadding, postPadding, preSelectedOffsetAdditionalPadding, postSelectedOffsetAdditionalPadding, selectedCenterOffset)
self:AddEntryAtIndex(#self.dataList + 1, templateName, data, prePadding, postPadding, preSelectedOffsetAdditionalPadding, postSelectedOffsetAdditionalPadding, selectedCenterOffset)
end
if dataIndex then
end
end
end
end
if not templateName or currentTemplateName == templateName then
return i
end
end
end
end
return index
end
end
return nil
end
end
end
end
end
end
end
end
end
end
end
local firstSelectedableIndex = self:GetNextSelectableIndex(0) -- this function adds 1 from the passed in current index
end
end
end
end
end
end
end
local expectedEntryHalfHeight = (expectedEntryHeight or DEFAULT_EXPECTED_ENTRY_HEIGHT) / 2.0
if(self.alignToScreenCenter ~= alignToScreenCenter or self.alignToScreenCenterExpectedEntryHalfHeight ~= expectedEntryHalfHeight) then
end
end
--If the list is still animating when it is deactivated then complete the animation instantly before deactivating.
--Otherwise, things can happen like selected index changing which the list is deactivated
end
else
end
end
end
end
end
end
end
end
local FIRE_ACTIVATION_CHANGED = false
end
end
local FIRE_ACTIVATION_CHANGED = false
end
end
end
end
function ZO_ParametricScrollList:SetAdditionalBottomSelectedItemOffsets(additonalMinBottomOffset, additonalMaxBottomOffset)
end
end
end
end
end
end
local INITIAL_UPDATE = true
local RESELECTING_DURING_REBUILD = true
else
self:UpdateAnchors(self:CalculateSelectedIndexOffsetWithDrag(), INITIAL_UPDATE, RESELECTING_DURING_REBUILD)
end
end
end
end
return true -- default to true
end
end
newIndex = newIndex - 1
end
if newIndex >= 1 then
return true
elseif newIndex == 0 then
end
end
return false
end
return true
end
end
return false
end
end
return false
end
return (bottom <= bottomList) and (top >= topList)
end
return false
end
end
function ZO_ParametricScrollList:SetSelectedIndexWithoutAnimation(selectedIndex, allowEvenIfDisabled, forceAnimation)
end
function ZO_ParametricScrollList:SetSelectedIndex(selectedIndex, allowEvenIfDisabled, forceAnimation, jumpType, blockSelectionChangedCallback)
local reachedTargetIndex = (self.targetSelectedIndex == self:CalculateSelectedIndexOffsetWithDrag())
if not blockSelectionChangedCallback then
self:FireCallbacks("TargetDataChanged", self, self:GetDataForDataIndex(self.targetSelectedIndex), self:GetDataForDataIndex(oldTargetSelectedIndex), reachedTargetIndex, self.targetSelectedIndex)
end
if jumpType and moveAmount > 0 then
end
end
end
end
end
end
end
function ZO_ParametricScrollList:SetDefaultIndexSelected(animate, allowEvenIfDisabled, forceAnimation, jumpType)
if animate then
else
end
end
return i
end
end
return 1
end
return i
end
end
end
end
if selectedIndex then
end
end
if selectedIndex then
return self:SetSelectedDataByRangedEval(eval, zo_min(selectedIndex + 1, #self.dataList), #self.dataList, jumpType)
end
end
local newIndex = currentIndex + 1
newIndex = newIndex + 1
end
return newIndex
end
local direction = startIndex < endIndex and 1 or -1
for i = startIndex, endIndex, direction do
return true
end
end
return false
end
end
end
end
end
self.commitHistoryDictionary[self.currentCommitHistoryKey] = { data = self.oldSelectedData, template = self.oldSelectedDataTemplate, selectedIndex = self.oldSelectedIndex }
end
end
end
for i = oldSelectedIndex, #newDataList do
return i
end
end
return i
end
end
return oldSelectedIndex
end
end
local NO_RESELECT = true
end
local hasItems = dataListSize > 0
if hasItems then
end
local nextSelectedIndex
if nextCommitHistory then
nextSelectedIndex = nextCommitHistory.selectedIndex
end
else
end
if dontReselect then
else
local oldSelectedData, oldSelectedDataTemplate
if nextCommitHistory then
end
else
end
if oldSelectedDataTemplate then
if matchingIndex > dataListSize then
matchingIndex = dataListSize
end
end
end
matchingIndex = matchingIndex + 1
end
if matchingIndex > dataListSize then
matchingIndex = dataListSize
end
local ALLOW_EVEN_IF_DISABLED = true
local FORCE_ANIMATION = true
local DEFAULT_JUMP_TYPE = nil
self:SetSelectedIndex(matchingIndex, ALLOW_EVEN_IF_DISABLED, FORCE_ANIMATION, DEFAULT_JUMP_TYPE, blockSelectionChangedCallback)
local INITIAL_UPDATE = true
local RESELECTING_DURING_REBUILD = true
self:UpdateAnchors(self:CalculateSelectedIndexOffsetWithDrag(), INITIAL_UPDATE, RESELECTING_DURING_REBUILD, blockSelectionChangedCallback)
-- If the selectedData is set in the setup function (such as for the header), the code above
-- may have picked a non-selectable item if this is the first time the items were setup. As
-- such, we need to check for that condition, and move to the next item if we hit it.
-- NOTE: MoveNext() will skip over additional unselectable items internally.
if matchingIndex == dataListSize then
else
end
end
end
end
local hideArrows = dataListSize <= 1
end
end
if hasItems then
end
else
if blockSelectionChangedCallback ~= true then
self:FireCallbacks("SelectedDataChanged", self, nil, oldSelectedData, nil, self.targetSelectedIndex)
end
end
end
end
end
end
end
end
end
end
end
--[[ Private API ]]--
end
if mode == PARAMETRIC_SCROLL_LIST_VERTICAL then
return offsetY, offsetX
end
return offsetX, offsetY
end
end
end
end
end
end
end
local SELECTION_LERP_RATE = 0.2
return zo_deltaNormalizedLerp(self.lastContinousTargetOffset, continousTargetOffset, SELECTION_LERP_RATE)
end
end
end
end
else
end
end
return
end
if result == MOVEMENT_CONTROLLER_MOVE_NEXT then
elseif result == MOVEMENT_CONTROLLER_MOVE_PREVIOUS then
end
end
--Will fire a callback with the directional input result
--Optionally you can return true to consume the result before the list processes it
end
end
function ZO_ParametricScrollList:SetAnchorForEntryControl(control, anchor1, anchor2, offsetX, offsetY)
end
end
end
return BOTTOM, CENTER
else
return TOP, CENTER
end
else
return TOP, TOP
end
end
end
end
local SELECTED = true
local UNSELECTED = false
function ZO_ParametricScrollList:UpdateAnchors(continousTargetOffset, initialUpdate, reselectingDuringRebuild, blockSelectionChangedCallback)
-- Find center control
else
end
end
if justCreated or selectedDataChanged or initialUpdate then
self:RunSetupOnControl(centerControl, self.selectedIndex, SELECTED, reselectingDuringRebuild, self.enabled, self.active)
end
local baseOffset = newSelectedDataIndex - continousTargetOffset
local preCenterPadding, postCenterPadding = self:GetPaddingForDataIndex(newSelectedDataIndex, 0, baseOffset)
local centerOffset = centerControlDimension * baseOffset
local centerSelectedOffsetAdditionalPrePadding, centerSelectedOffsetAdditionalPostPadding = self:GetSelectedAdditionalPaddingForDataIndex(newSelectedDataIndex)
end
local centerOffsetX, centerOffsetY = TransformAnchorOffsetsForMode(self.mode, centerOffset * self.centerDampingFactor + fixedCenterOffset + centerSelectedOffset * (1 - baseOffset), 0)
self:SetAnchorForEntryControl(centerControl, entryAnchor1, entryAnchor2, centerOffsetX, centerOffsetY)
-- Layout items before the center
do
local prevControlOffsets = centerOffset - (self.anchorOppositeSide and centerControlDimension or 0) + preCenterPadding + centerSelectedOffset * (1 - baseOffset)
for dataIndex = newSelectedDataIndex - 1, 1, -1 do
local control = self:AcquireAndSetupControl(dataIndex, selectedDataChanged, initialUpdate, oldSelectedData, UNSELECTED, reselectingDuringRebuild)
local distanceFromCenter = newSelectedDataIndex - dataIndex
local preSelectedOffsetAdditionalPadding, _ = self:GetSelectedAdditionalPaddingForDataIndex(dataIndex)
local parametricOffset = self:CalculateParametricOffset(centerSelectedOffsetAdditionalPrePadding, preSelectedOffsetAdditionalPadding, distanceFromCenter, baseOffset)
local prePadding, postPadding = self:GetPaddingForDataIndex(dataIndex, distanceFromCenter, baseOffset)
end
prevControlOffsets = prevControlOffsets - (self.anchorOppositeSide and 0 or controlDimension) - parametricOffset - postPadding
self:SetAnchorForEntryControl(control, entryAnchor1, entryAnchor2, TransformAnchorOffsetsForMode(self.mode, prevControlOffsets + fixedCenterOffset, 0))
prevControlOffsets = prevControlOffsets - prePadding - (self.anchorOppositeSide and controlDimension or 0)
break
end
end
end
-- Layout items after the center
do
local prevControlOffsets = centerOffset + (self.anchorOppositeSide and 0 or centerControlDimension) + postCenterPadding + centerSelectedOffset * (1 - baseOffset)
local control = self:AcquireAndSetupControl(dataIndex, selectedDataChanged, initialUpdate, oldSelectedData, UNSELECTED, reselectingDuringRebuild)
local distanceFromCenter = newSelectedDataIndex - dataIndex
local _, postSelectedOffsetAdditionalPadding = self:GetSelectedAdditionalPaddingForDataIndex(dataIndex)
local parametricOffset = self:CalculateParametricOffset(centerSelectedOffsetAdditionalPostPadding, postSelectedOffsetAdditionalPadding, distanceFromCenter, baseOffset)
local additionalBottomParametricOffset = self:CalculateAdditionalBottomParametricOffset(distanceFromCenter, baseOffset)
local prePadding, postPadding = self:GetPaddingForDataIndex(dataIndex, distanceFromCenter, baseOffset)
end
prevControlOffsets = prevControlOffsets + parametricOffset + prePadding + additionalBottomParametricOffset + (self.anchorOppositeSide and controlDimension or 0)
self:SetAnchorForEntryControl(control, entryAnchor1, entryAnchor2, TransformAnchorOffsetsForMode(self.mode, prevControlOffsets + fixedCenterOffset, 0))
prevControlOffsets = prevControlOffsets + (self.anchorOppositeSide and 0 or controlDimension) + postPadding
break
end
end
end
end
-- Remove unseen controls
do
end
end
if selectedDataChanged and blockSelectionChangedCallback ~= true then
self:FireCallbacks("SelectedDataChanged", self, self.selectedData, oldSelectedData, reachedTarget, self.targetSelectedIndex)
end
end
local centerOffsetX, centerOffsetY = TransformAnchorOffsetsForMode(self.mode, self.fixedCenterOffset - halfHeightOffset, 0)
self:SetAnchorForEntryControl(self.noItemsLabel, entryAnchor1, entryAnchor2, centerOffsetX, centerOffsetY)
end
end
local HAND_OFF_SPEED_FACTOR = 2
local function CalculateStandardOffset(distanceFromCenter, continuousParametricOffset, min, max, startAdditionalPadding, endAdditionalPadding, additionalPaddingEasingFunc)
local hasAdditionalPadding = (endAdditionalPadding ~= 0 or startAdditionalPadding ~= 0) and distanceFromCenter >= -1 and distanceFromCenter <= 1
-- If easing function wasn't specified for additional padding, use the default
end
if parametricValue > 1 then
local additionalPadding = hasAdditionalPadding and zo_lerp(startAdditionalPadding, endAdditionalPadding, zo_saturate(additionalPaddingEasingFunc(parametricValue - 1))) or 0
return zo_lerp(max, min, zo_saturate(ZO_EaseInQuartic(parametricValue - 1) * HAND_OFF_SPEED_FACTOR)) + additionalPadding
end
local additionalPadding = hasAdditionalPadding and zo_lerp(endAdditionalPadding, startAdditionalPadding, zo_saturate(additionalPaddingEasingFunc(parametricValue))) or 0
return zo_lerp(min, max, zo_saturate(ZO_EaseInQuartic(parametricValue) * HAND_OFF_SPEED_FACTOR)) + additionalPadding
end
function ZO_ParametricScrollList:CalculateParametricOffset(startAdditionalPadding, endAdditionalPadding, distanceFromCenter, continuousParametricOffset, additionalPaddingEasingFunc)
return CalculateStandardOffset(distanceFromCenter, continuousParametricOffset, self.minOffset, self.maxOffset, startAdditionalPadding, endAdditionalPadding, additionalPaddingEasingFunc)
end
function ZO_ParametricScrollList:CalculateAdditionalBottomParametricOffset(distanceFromCenter, continuousParametricOffset, additionalPaddingEasingFunc)
return CalculateStandardOffset(distanceFromCenter, continuousParametricOffset, self.additonalMinBottomOffset, self.additonalMaxBottomOffset, 0, 0, additionalPaddingEasingFunc)
end
end
function ZO_ParametricScrollList:RunSetupOnControl(control, dataIndex, selected, reselectingDuringRebuild, enabled, active)
dataTypeInfo.headerSetupFunction(control:GetNamedChild("Header"), data, selected, reselectingDuringRebuild, enabled, active)
end
end
end
end
end
end
end
end
end
local isHeader = templateInfo and templateInfo.hasHeader
local nextHeader = nextTemplateInfo and nextTemplateInfo.hasHeader
return isHeader, nextHeader
end
if (not preSelectedOffsetAdditionalPadding) or (not postSelectedOffsetAdditionalPadding) then
preSelectedOffsetAdditionalPadding = preSelectedOffsetAdditionalPadding or (isHeader and self.headerSelectedPadding) or 0
postSelectedOffsetAdditionalPadding = postSelectedOffsetAdditionalPadding or (isNextHeader and self.headerSelectedPadding) or 0
end
return preSelectedOffsetAdditionalPadding, postSelectedOffsetAdditionalPadding
end
function ZO_ParametricScrollList:GetPaddingForDataIndex(dataIndex, distanceFromCenter, continousParametricOffset)
if not postPadding then
end
if rawParametricValue == 0 then
end
if parametricValue > .5 then
parametricValue = 1 - (parametricValue - .5) / .5
else
parametricValue = parametricValue * 2
end
local preParametricValue, postParametricValue
if rawParametricValue < 0 then
preParametricValue = parametricValue
postParametricValue = 0
else
preParametricValue = 0
postParametricValue = parametricValue
end
return zo_lerp(prePadding, prePadding * .25, preParametricValue) + self.universalPrePadding, zo_lerp(postPadding, postPadding * .25, postParametricValue) + self.universalPostPadding
end
return true
else
if numChildren > 0 then
for i = 1, numChildren do
return true
end
end
end
return false
end
end
do
end
end
--Check if one of the children of this control is an edit box the first time we create one of these
end
end
end
function ZO_ParametricScrollList:AcquireAndSetupControl(dataIndex, selectedDataChanged, initialUpdate, oldSelectedData, selected, reselectingDuringRebuild)
self:RunSetupOnControl(control, dataIndex, selected, reselectingDuringRebuild, self.enabled, self.active)
end
end
else
if numChildren > 0 then
for i = 1, numChildren do
if(editControl ~= nil) then
end
end
end
return nil
end
end
--check for edit controls that need to be defocused before moving the current selection
end
end
if not isMoving then
end
end
end
end
--Set this to true if you plan to change the list size or view properties (like center offsets) between commits. For example, if the list is anchored on the top and bottom and changes size when the user resizes the screen.
if handleDynamicViewProperties then
self.scrollControl:SetHandler("OnRectChanged", function(scrollControl, newLeft, newTop, newRight, newBottom, oldLeft, oldTop, oldRight, oldBottom)
--if the edges of the scroll area changed we need to fix up the gradients
--If the list has less than ZO_VERTICAL_PARAMETRIC_LIST_DEFAULT_FADE_GRADIENT_SIZE UI units from its center control to the scroll top or bottom then automatically size the fade gradients to not overlap the center control.
--If the list changes height we need to update anchors because that function is responsible for hiding controls that went out of view or showing controls that are now in view.
end
end)
else
end
end
end
end
end
local hasHeaders = false
if dataTypeInfo.hasHeader then
hasHeaders = true
break
end
end
local selectedControlBufferStart = 0
if hasHeaders then
selectedControlBufferStart = selectedControlBufferStart - self.headerSelectedPadding + DEFAULT_EXPECTED_HEADER_HEIGHT
end
local selectedControlBufferEnd = DEFAULT_EXPECTED_ENTRY_HEIGHT
end
-- Have some small minimum effect
local MINIMUM_ALLOWED_FADE_GRADIENT = 32
local gradientMaxStart = zo_max(listMid - listStart - selectedControlBufferStart, MINIMUM_ALLOWED_FADE_GRADIENT)
local gradientMaxEnd = zo_max(listEnd - listMid - selectedControlBufferEnd, MINIMUM_ALLOWED_FADE_GRADIENT)
local gradientStartSize = zo_min(gradientMaxStart, ZO_VERTICAL_PARAMETRIC_LIST_DEFAULT_FADE_GRADIENT_SIZE)
local gradientEndSize = zo_min(gradientMaxEnd, ZO_VERTICAL_PARAMETRIC_LIST_DEFAULT_FADE_GRADIENT_SIZE)
local FIRST_FADE_GRADIENT = 1
local SECOND_FADE_GRADIENT = 2
local GRADIENT_TEX_CORD_0 = 0
local GRADIENT_TEX_CORD_1 = 1
local GRADIENT_TEX_CORD_NEG_1 = -1
self.scrollControl:SetFadeGradient(FIRST_FADE_GRADIENT, GRADIENT_TEX_CORD_0, GRADIENT_TEX_CORD_1, gradientStartSize)
self.scrollControl:SetFadeGradient(SECOND_FADE_GRADIENT, GRADIENT_TEX_CORD_0, GRADIENT_TEX_CORD_NEG_1, gradientEndSize)
end
end
end
end
end
end
--in case you don't want your list to default to the first entry in the list!
end
if targetControl.headerControl then
end
end
end |