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Grichelde/Libs/AceGUI-3.0/widgets/AceGUIContainer-TreeGroup.lua

720 lines
20 KiB
Lua

--[[-----------------------------------------------------------------------------
TreeGroup Container
Container that uses a tree control to switch between groups.
-------------------------------------------------------------------------------]]
local Type, Version = "TreeGroup", 47
local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
-- Lua APIs
local next, pairs, ipairs, assert, type = next, pairs, ipairs, assert, type
local math_min, math_max, floor = math.min, math.max, math.floor
local select, tremove, unpack, tconcat = select, table.remove, unpack, table.concat
-- WoW APIs
local CreateFrame, UIParent = CreateFrame, UIParent
-- Recycling functions
local new, del
do
local pool = setmetatable({},{__mode='k'})
function new()
local t = next(pool)
if t then
pool[t] = nil
return t
else
return {}
end
end
function del(t)
for k in pairs(t) do
t[k] = nil
end
pool[t] = true
end
end
local DEFAULT_TREE_WIDTH = 175
local DEFAULT_TREE_SIZABLE = true
--[[-----------------------------------------------------------------------------
Support functions
-------------------------------------------------------------------------------]]
local function GetButtonUniqueValue(line)
local parent = line.parent
if parent and parent.value then
return GetButtonUniqueValue(parent).."\001"..line.value
else
return line.value
end
end
local function UpdateButton(button, treeline, selected, canExpand, isExpanded)
local self = button.obj
local toggle = button.toggle
local text = treeline.text or ""
local icon = treeline.icon
local iconCoords = treeline.iconCoords
local level = treeline.level
local value = treeline.value
local uniquevalue = treeline.uniquevalue
local disabled = treeline.disabled
button.treeline = treeline
button.value = value
button.uniquevalue = uniquevalue
if selected then
button:LockHighlight()
button.selected = true
else
button:UnlockHighlight()
button.selected = false
end
button.level = level
if ( level == 1 ) then
button:SetNormalFontObject("GameFontNormal")
button:SetHighlightFontObject("GameFontHighlight")
button.text:SetPoint("LEFT", (icon and 16 or 0) + 8, 2)
else
button:SetNormalFontObject("GameFontHighlightSmall")
button:SetHighlightFontObject("GameFontHighlightSmall")
button.text:SetPoint("LEFT", (icon and 16 or 0) + 8 * level, 2)
end
if disabled then
button:EnableMouse(false)
button.text:SetText("|cff808080"..text..FONT_COLOR_CODE_CLOSE)
else
button.text:SetText(text)
button:EnableMouse(true)
end
if icon then
button.icon:SetTexture(icon)
button.icon:SetPoint("LEFT", 8 * level, (level == 1) and 0 or 1)
else
button.icon:SetTexture(nil)
end
if iconCoords then
button.icon:SetTexCoord(unpack(iconCoords))
else
button.icon:SetTexCoord(0, 1, 0, 1)
end
if canExpand then
if not isExpanded then
toggle:SetNormalTexture(130838) -- Interface\\Buttons\\UI-PlusButton-UP
toggle:SetPushedTexture(130836) -- Interface\\Buttons\\UI-PlusButton-DOWN
else
toggle:SetNormalTexture(130821) -- Interface\\Buttons\\UI-MinusButton-UP
toggle:SetPushedTexture(130820) -- Interface\\Buttons\\UI-MinusButton-DOWN
end
toggle:Show()
else
toggle:Hide()
end
end
local function ShouldDisplayLevel(tree)
local result = false
for k, v in ipairs(tree) do
if v.children == nil and v.visible ~= false then
result = true
elseif v.children then
result = result or ShouldDisplayLevel(v.children)
end
if result then return result end
end
return false
end
local function addLine(self, v, tree, level, parent)
local line = new()
line.value = v.value
line.text = v.text
line.icon = v.icon
line.iconCoords = v.iconCoords
line.disabled = v.disabled
line.tree = tree
line.level = level
line.parent = parent
line.visible = v.visible
line.uniquevalue = GetButtonUniqueValue(line)
if v.children then
line.hasChildren = true
else
line.hasChildren = nil
end
self.lines[#self.lines+1] = line
return line
end
--fire an update after one frame to catch the treeframes height
local function FirstFrameUpdate(frame)
local self = frame.obj
frame:SetScript("OnUpdate", nil)
self:RefreshTree(nil, true)
end
local function BuildUniqueValue(...)
local n = select('#', ...)
if n == 1 then
return ...
else
return (...).."\001"..BuildUniqueValue(select(2,...))
end
end
--[[-----------------------------------------------------------------------------
Scripts
-------------------------------------------------------------------------------]]
local function Expand_OnClick(frame)
local button = frame.button
local self = button.obj
local status = (self.status or self.localstatus).groups
status[button.uniquevalue] = not status[button.uniquevalue]
self:RefreshTree()
end
local function Button_OnClick(frame)
local self = frame.obj
self:Fire("OnClick", frame.uniquevalue, frame.selected)
if not frame.selected then
self:SetSelected(frame.uniquevalue)
frame.selected = true
frame:LockHighlight()
self:RefreshTree()
end
AceGUI:ClearFocus()
end
local function Button_OnDoubleClick(button)
local self = button.obj
local status = (self.status or self.localstatus).groups
status[button.uniquevalue] = not status[button.uniquevalue]
self:RefreshTree()
end
local function Button_OnEnter(frame)
local self = frame.obj
self:Fire("OnButtonEnter", frame.uniquevalue, frame)
if self.enabletooltips then
local tooltip = AceGUI.tooltip
tooltip:SetOwner(frame, "ANCHOR_NONE")
tooltip:ClearAllPoints()
tooltip:SetPoint("LEFT",frame,"RIGHT")
tooltip:SetText(frame.text:GetText() or "", 1, .82, 0, true)
tooltip:Show()
end
end
local function Button_OnLeave(frame)
local self = frame.obj
self:Fire("OnButtonLeave", frame.uniquevalue, frame)
if self.enabletooltips then
AceGUI.tooltip:Hide()
end
end
local function OnScrollValueChanged(frame, value)
if frame.obj.noupdate then return end
local self = frame.obj
local status = self.status or self.localstatus
status.scrollvalue = floor(value + 0.5)
self:RefreshTree()
AceGUI:ClearFocus()
end
local function Tree_OnSizeChanged(frame)
frame.obj:RefreshTree()
end
local function Tree_OnMouseWheel(frame, delta)
local self = frame.obj
if self.showscroll then
local scrollbar = self.scrollbar
local min, max = scrollbar:GetMinMaxValues()
local value = scrollbar:GetValue()
local newvalue = math_min(max,math_max(min,value - delta))
if value ~= newvalue then
scrollbar:SetValue(newvalue)
end
end
end
local function Dragger_OnLeave(frame)
frame:SetBackdropColor(1, 1, 1, 0)
end
local function Dragger_OnEnter(frame)
frame:SetBackdropColor(1, 1, 1, 0.8)
end
local function Dragger_OnMouseDown(frame)
local treeframe = frame:GetParent()
treeframe:StartSizing("RIGHT")
end
local function Dragger_OnMouseUp(frame)
local treeframe = frame:GetParent()
local self = treeframe.obj
local treeframeParent = treeframe:GetParent()
treeframe:StopMovingOrSizing()
--treeframe:SetScript("OnUpdate", nil)
treeframe:SetUserPlaced(false)
--Without this :GetHeight will get stuck on the current height, causing the tree contents to not resize
treeframe:SetHeight(0)
treeframe:ClearAllPoints()
treeframe:SetPoint("TOPLEFT", treeframeParent, "TOPLEFT",0,0)
treeframe:SetPoint("BOTTOMLEFT", treeframeParent, "BOTTOMLEFT",0,0)
local status = self.status or self.localstatus
status.treewidth = treeframe:GetWidth()
treeframe.obj:Fire("OnTreeResize",treeframe:GetWidth())
-- recalculate the content width
treeframe.obj:OnWidthSet(status.fullwidth)
-- update the layout of the content
treeframe.obj:DoLayout()
end
--[[-----------------------------------------------------------------------------
Methods
-------------------------------------------------------------------------------]]
local methods = {
["OnAcquire"] = function(self)
self:SetTreeWidth(DEFAULT_TREE_WIDTH, DEFAULT_TREE_SIZABLE)
self:EnableButtonTooltips(true)
self.frame:SetScript("OnUpdate", FirstFrameUpdate)
end,
["OnRelease"] = function(self)
self.status = nil
self.tree = nil
self.frame:SetScript("OnUpdate", nil)
for k, v in pairs(self.localstatus) do
if k == "groups" then
for k2 in pairs(v) do
v[k2] = nil
end
else
self.localstatus[k] = nil
end
end
self.localstatus.scrollvalue = 0
self.localstatus.treewidth = DEFAULT_TREE_WIDTH
self.localstatus.treesizable = DEFAULT_TREE_SIZABLE
end,
["EnableButtonTooltips"] = function(self, enable)
self.enabletooltips = enable
end,
["CreateButton"] = function(self)
local num = AceGUI:GetNextWidgetNum("TreeGroupButton")
local button = CreateFrame("Button", ("AceGUI30TreeButton%d"):format(num), self.treeframe, "OptionsListButtonTemplate")
button.obj = self
local icon = button:CreateTexture(nil, "OVERLAY")
icon:SetWidth(14)
icon:SetHeight(14)
button.icon = icon
button:SetScript("OnClick",Button_OnClick)
button:SetScript("OnDoubleClick", Button_OnDoubleClick)
button:SetScript("OnEnter",Button_OnEnter)
button:SetScript("OnLeave",Button_OnLeave)
button.toggle.button = button
button.toggle:SetScript("OnClick",Expand_OnClick)
button.text:SetHeight(14) -- Prevents text wrapping
return button
end,
["SetStatusTable"] = function(self, status)
assert(type(status) == "table")
self.status = status
if not status.groups then
status.groups = {}
end
if not status.scrollvalue then
status.scrollvalue = 0
end
if not status.treewidth then
status.treewidth = DEFAULT_TREE_WIDTH
end
if status.treesizable == nil then
status.treesizable = DEFAULT_TREE_SIZABLE
end
self:SetTreeWidth(status.treewidth,status.treesizable)
self:RefreshTree()
end,
--sets the tree to be displayed
["SetTree"] = function(self, tree, filter)
self.filter = filter
if tree then
assert(type(tree) == "table")
end
self.tree = tree
self:RefreshTree()
end,
["BuildLevel"] = function(self, tree, level, parent)
local groups = (self.status or self.localstatus).groups
for i, v in ipairs(tree) do
if v.children then
if not self.filter or ShouldDisplayLevel(v.children) then
local line = addLine(self, v, tree, level, parent)
if groups[line.uniquevalue] then
self:BuildLevel(v.children, level+1, line)
end
end
elseif v.visible ~= false or not self.filter then
addLine(self, v, tree, level, parent)
end
end
end,
["RefreshTree"] = function(self,scrollToSelection,fromOnUpdate)
local buttons = self.buttons
local lines = self.lines
for i, v in ipairs(buttons) do
v:Hide()
end
while lines[1] do
local t = tremove(lines)
for k in pairs(t) do
t[k] = nil
end
del(t)
end
if not self.tree then return end
--Build the list of visible entries from the tree and status tables
local status = self.status or self.localstatus
local groupstatus = status.groups
local tree = self.tree
local treeframe = self.treeframe
status.scrollToSelection = status.scrollToSelection or scrollToSelection -- needs to be cached in case the control hasn't been drawn yet (code bails out below)
self:BuildLevel(tree, 1)
local numlines = #lines
local maxlines = (floor(((self.treeframe:GetHeight()or 0) - 20 ) / 18))
if maxlines <= 0 then return end
if self.frame:GetParent() == UIParent and not fromOnUpdate then
self.frame:SetScript("OnUpdate", FirstFrameUpdate)
return
end
local first, last
scrollToSelection = status.scrollToSelection
status.scrollToSelection = nil
if numlines <= maxlines then
--the whole tree fits in the frame
status.scrollvalue = 0
self:ShowScroll(false)
first, last = 1, numlines
else
self:ShowScroll(true)
--scrolling will be needed
self.noupdate = true
self.scrollbar:SetMinMaxValues(0, numlines - maxlines)
--check if we are scrolled down too far
if numlines - status.scrollvalue < maxlines then
status.scrollvalue = numlines - maxlines
end
self.noupdate = nil
first, last = status.scrollvalue+1, status.scrollvalue + maxlines
--show selection?
if scrollToSelection and status.selected then
local show
for i,line in ipairs(lines) do -- find the line number
if line.uniquevalue==status.selected then
show=i
end
end
if not show then
-- selection was deleted or something?
elseif show>=first and show<=last then
-- all good
else
-- scrolling needed!
if show<first then
status.scrollvalue = show-1
else
status.scrollvalue = show-maxlines
end
first, last = status.scrollvalue+1, status.scrollvalue + maxlines
end
end
if self.scrollbar:GetValue() ~= status.scrollvalue then
self.scrollbar:SetValue(status.scrollvalue)
end
end
local buttonnum = 1
for i = first, last do
local line = lines[i]
local button = buttons[buttonnum]
if not button then
button = self:CreateButton()
buttons[buttonnum] = button
button:SetParent(treeframe)
button:SetFrameLevel(treeframe:GetFrameLevel()+1)
button:ClearAllPoints()
if buttonnum == 1 then
if self.showscroll then
button:SetPoint("TOPRIGHT", -22, -10)
button:SetPoint("TOPLEFT", 0, -10)
else
button:SetPoint("TOPRIGHT", 0, -10)
button:SetPoint("TOPLEFT", 0, -10)
end
else
button:SetPoint("TOPRIGHT", buttons[buttonnum-1], "BOTTOMRIGHT",0,0)
button:SetPoint("TOPLEFT", buttons[buttonnum-1], "BOTTOMLEFT",0,0)
end
end
UpdateButton(button, line, status.selected == line.uniquevalue, line.hasChildren, groupstatus[line.uniquevalue] )
button:Show()
buttonnum = buttonnum + 1
end
end,
["SetSelected"] = function(self, value)
local status = self.status or self.localstatus
if status.selected ~= value then
status.selected = value
self:Fire("OnGroupSelected", value)
end
end,
["Select"] = function(self, uniquevalue, ...)
self.filter = false
local status = self.status or self.localstatus
local groups = status.groups
local path = {...}
for i = 1, #path do
groups[tconcat(path, "\001", 1, i)] = true
end
status.selected = uniquevalue
self:RefreshTree(true)
self:Fire("OnGroupSelected", uniquevalue)
end,
["SelectByPath"] = function(self, ...)
self:Select(BuildUniqueValue(...), ...)
end,
["SelectByValue"] = function(self, uniquevalue)
self:Select(uniquevalue, ("\001"):split(uniquevalue))
end,
["ShowScroll"] = function(self, show)
self.showscroll = show
if show then
self.scrollbar:Show()
if self.buttons[1] then
self.buttons[1]:SetPoint("TOPRIGHT", self.treeframe,"TOPRIGHT",-22,-10)
end
else
self.scrollbar:Hide()
if self.buttons[1] then
self.buttons[1]:SetPoint("TOPRIGHT", self.treeframe,"TOPRIGHT",0,-10)
end
end
end,
["OnWidthSet"] = function(self, width)
local content = self.content
local treeframe = self.treeframe
local status = self.status or self.localstatus
status.fullwidth = width
local contentwidth = width - status.treewidth - 20
if contentwidth < 0 then
contentwidth = 0
end
content:SetWidth(contentwidth)
content.width = contentwidth
local maxtreewidth = math_min(400, width - 50)
if maxtreewidth > 100 and status.treewidth > maxtreewidth then
self:SetTreeWidth(maxtreewidth, status.treesizable)
end
if treeframe.SetResizeBounds then
treeframe:SetResizeBounds(100, 1, maxtreewidth, 1600)
else
treeframe:SetMaxResize(maxtreewidth, 1600)
end
end,
["OnHeightSet"] = function(self, height)
local content = self.content
local contentheight = height - 20
if contentheight < 0 then
contentheight = 0
end
content:SetHeight(contentheight)
content.height = contentheight
end,
["SetTreeWidth"] = function(self, treewidth, resizable)
if not resizable then
if type(treewidth) == 'number' then
resizable = false
elseif type(treewidth) == 'boolean' then
resizable = treewidth
treewidth = DEFAULT_TREE_WIDTH
else
resizable = false
treewidth = DEFAULT_TREE_WIDTH
end
end
self.treeframe:SetWidth(treewidth)
self.dragger:EnableMouse(resizable)
local status = self.status or self.localstatus
status.treewidth = treewidth
status.treesizable = resizable
-- recalculate the content width
if status.fullwidth then
self:OnWidthSet(status.fullwidth)
end
end,
["GetTreeWidth"] = function(self)
local status = self.status or self.localstatus
return status.treewidth or DEFAULT_TREE_WIDTH
end,
["LayoutFinished"] = function(self, width, height)
if self.noAutoHeight then return end
self:SetHeight((height or 0) + 20)
end
}
--[[-----------------------------------------------------------------------------
Constructor
-------------------------------------------------------------------------------]]
local PaneBackdrop = {
bgFile = "Interface\\ChatFrame\\ChatFrameBackground",
edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
tile = true, tileSize = 16, edgeSize = 16,
insets = { left = 3, right = 3, top = 5, bottom = 3 }
}
local DraggerBackdrop = {
bgFile = "Interface\\Tooltips\\UI-Tooltip-Background",
edgeFile = nil,
tile = true, tileSize = 16, edgeSize = 1,
insets = { left = 3, right = 3, top = 7, bottom = 7 }
}
local function Constructor()
local num = AceGUI:GetNextWidgetNum(Type)
local frame = CreateFrame("Frame", nil, UIParent)
local treeframe = CreateFrame("Frame", nil, frame, "BackdropTemplate")
treeframe:SetPoint("TOPLEFT")
treeframe:SetPoint("BOTTOMLEFT")
treeframe:SetWidth(DEFAULT_TREE_WIDTH)
treeframe:EnableMouseWheel(true)
treeframe:SetBackdrop(PaneBackdrop)
treeframe:SetBackdropColor(0.1, 0.1, 0.1, 0.5)
treeframe:SetBackdropBorderColor(0.4, 0.4, 0.4)
treeframe:SetResizable(true)
if treeframe.SetResizeBounds then -- WoW 10.0
treeframe:SetResizeBounds(100, 1, 400, 1600)
else
treeframe:SetMinResize(100, 1)
treeframe:SetMaxResize(400, 1600)
end
treeframe:SetScript("OnUpdate", FirstFrameUpdate)
treeframe:SetScript("OnSizeChanged", Tree_OnSizeChanged)
treeframe:SetScript("OnMouseWheel", Tree_OnMouseWheel)
local dragger = CreateFrame("Frame", nil, treeframe, "BackdropTemplate")
dragger:SetWidth(8)
dragger:SetPoint("TOP", treeframe, "TOPRIGHT")
dragger:SetPoint("BOTTOM", treeframe, "BOTTOMRIGHT")
dragger:SetBackdrop(DraggerBackdrop)
dragger:SetBackdropColor(1, 1, 1, 0)
dragger:SetScript("OnEnter", Dragger_OnEnter)
dragger:SetScript("OnLeave", Dragger_OnLeave)
dragger:SetScript("OnMouseDown", Dragger_OnMouseDown)
dragger:SetScript("OnMouseUp", Dragger_OnMouseUp)
local scrollbar = CreateFrame("Slider", ("AceConfigDialogTreeGroup%dScrollBar"):format(num), treeframe, "UIPanelScrollBarTemplate")
scrollbar:SetScript("OnValueChanged", nil)
scrollbar:SetPoint("TOPRIGHT", -10, -26)
scrollbar:SetPoint("BOTTOMRIGHT", -10, 26)
scrollbar:SetMinMaxValues(0,0)
scrollbar:SetValueStep(1)
scrollbar:SetValue(0)
scrollbar:SetWidth(16)
scrollbar:SetScript("OnValueChanged", OnScrollValueChanged)
local scrollbg = scrollbar:CreateTexture(nil, "BACKGROUND")
scrollbg:SetAllPoints(scrollbar)
scrollbg:SetColorTexture(0,0,0,0.4)
local border = CreateFrame("Frame", nil, frame, "BackdropTemplate")
border:SetPoint("TOPLEFT", treeframe, "TOPRIGHT")
border:SetPoint("BOTTOMRIGHT")
border:SetBackdrop(PaneBackdrop)
border:SetBackdropColor(0.1, 0.1, 0.1, 0.5)
border:SetBackdropBorderColor(0.4, 0.4, 0.4)
--Container Support
local content = CreateFrame("Frame", nil, border)
content:SetPoint("TOPLEFT", 10, -10)
content:SetPoint("BOTTOMRIGHT", -10, 10)
local widget = {
frame = frame,
lines = {},
levels = {},
buttons = {},
hasChildren = {},
localstatus = { groups = {}, scrollvalue = 0 },
filter = false,
treeframe = treeframe,
dragger = dragger,
scrollbar = scrollbar,
border = border,
content = content,
type = Type
}
for method, func in pairs(methods) do
widget[method] = func
end
treeframe.obj, dragger.obj, scrollbar.obj = widget, widget, widget
return AceGUI:RegisterAsContainer(widget)
end
AceGUI:RegisterWidgetType(Type, Constructor, Version)