libs/AceGUI-3.0/widgets/AceGUIContainer-DropDownGroup.lua

   1 --[[-----------------------------------------------------------------------------
   2 DropdownGroup Container
   3 Container controlled by a dropdown on the top.
   4 -------------------------------------------------------------------------------]]
   5 local Type, Version = "DropdownGroup", 21
   6 local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
   7 if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
   8
   9 -- Lua APIs
  10 local assert, pairs, type = assert, pairs, type
  11
  12 -- WoW APIs
  13 local CreateFrame = CreateFrame
  14
  15 --[[-----------------------------------------------------------------------------
  16 Scripts
  17 -------------------------------------------------------------------------------]]
  18 local function SelectedGroup(self, event, value)
  19         local group = self.parentgroup
  20         local status = group.status or group.localstatus
  21         status.selected = value
  22         self.parentgroup:Fire("OnGroupSelected", value)
  23 end
  24
  25 --[[-----------------------------------------------------------------------------
  26 Methods
  27 -------------------------------------------------------------------------------]]
  28 local methods = {
  29         ["OnAcquire"] = function(self)
  30                 self.dropdown:SetText("")
  31                 self:SetDropdownWidth(200)
  32                 self:SetTitle("")
  33         end,
  34
  35         ["OnRelease"] = function(self)
  36                 self.dropdown.list = nil
  37                 self.status = nil
  38                 for k in pairs(self.localstatus) do
  39                         self.localstatus[k] = nil
  40                 end
  41         end,
  42
  43         ["SetTitle"] = function(self, title)
  44                 self.titletext:SetText(title)
  45                 self.dropdown.frame:ClearAllPoints()
  46                 if title and title ~= "" then
  47                         self.dropdown.frame:SetPoint("TOPRIGHT", -2, 0)
  48                 else
  49                         self.dropdown.frame:SetPoint("TOPLEFT", -1, 0)
  50                 end
  51         end,
  52
  53         ["SetGroupList"] = function(self,list,order)
  54                 self.dropdown:SetList(list,order)
  55         end,
  56
  57         ["SetStatusTable"] = function(self, status)
  58                 assert(type(status) == "table")
  59                 self.status = status
  60         end,
  61
  62         ["SetGroup"] = function(self,group)
  63                 self.dropdown:SetValue(group)
  64                 local status = self.status or self.localstatus
  65                 status.selected = group
  66                 self:Fire("OnGroupSelected", group)
  67         end,
  68
  69         ["OnWidthSet"] = function(self, width)
  70                 local content = self.content
  71                 local contentwidth = width - 26
  72                 if contentwidth < 0 then
  73                         contentwidth = 0
  74                 end
  75                 content:SetWidth(contentwidth)
  76                 content.width = contentwidth
  77         end,
  78
  79         ["OnHeightSet"] = function(self, height)
  80                 local content = self.content
  81                 local contentheight = height - 63
  82                 if contentheight < 0 then
  83                         contentheight = 0
  84                 end
  85                 content:SetHeight(contentheight)
  86                 content.height = contentheight
  87         end,
  88
  89         ["LayoutFinished"] = function(self, width, height)
  90                 self:SetHeight((height or 0) + 63)
  91         end,
  92
  93         ["SetDropdownWidth"] = function(self, width)
  94                 self.dropdown:SetWidth(width)
  95         end
  96 }
  97
  98 --[[-----------------------------------------------------------------------------
  99 Constructor
 100 -------------------------------------------------------------------------------]]
 101 local PaneBackdrop  = {
 102         bgFile = "Interface\\ChatFrame\\ChatFrameBackground",
 103         edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
 104         tile = true, tileSize = 16, edgeSize = 16,
 105         insets = { left = 3, right = 3, top = 5, bottom = 3 }
 106 }
 107
 108 local function Constructor()
 109         local frame = CreateFrame("Frame")
 110         frame:SetHeight(100)
 111         frame:SetWidth(100)
 112         frame:SetFrameStrata("FULLSCREEN_DIALOG")
 113
 114         local titletext = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
 115         titletext:SetPoint("TOPLEFT", 4, -5)
 116         titletext:SetPoint("TOPRIGHT", -4, -5)
 117         titletext:SetJustifyH("LEFT")
 118         titletext:SetHeight(18)
 119
 120         local dropdown = AceGUI:Create("Dropdown")
 121         dropdown.frame:SetParent(frame)
 122         dropdown.frame:SetFrameLevel(dropdown.frame:GetFrameLevel() + 2)
 123         dropdown:SetCallback("OnValueChanged", SelectedGroup)
 124         dropdown.frame:SetPoint("TOPLEFT", -1, 0)
 125         dropdown.frame:Show()
 126         dropdown:SetLabel("")
 127
 128         local border = CreateFrame("Frame", nil, frame)
 129         border:SetPoint("TOPLEFT", 0, -26)
 130         border:SetPoint("BOTTOMRIGHT", 0, 3)
 131         border:SetBackdrop(PaneBackdrop)
 132         border:SetBackdropColor(0.1,0.1,0.1,0.5)
 133         border:SetBackdropBorderColor(0.4,0.4,0.4)
 134
 135         --Container Support
 136         local content = CreateFrame("Frame", nil, border)
 137         content:SetPoint("TOPLEFT", 10, -10)
 138         content:SetPoint("BOTTOMRIGHT", -10, 10)
 139
 140         local widget = {
 141                 frame       = frame,
 142                 localstatus = {},
 143                 titletext   = titletext,
 144                 dropdown    = dropdown,
 145                 border      = border,
 146                 content     = content,
 147                 type        = Type
 148         }
 149         for method, func in pairs(methods) do
 150                 widget[method] = func
 151         end
 152         dropdown.parentgroup = widget
 153
 154         return AceGUI:RegisterAsContainer(widget)
 155 end
 156
 157 AceGUI:RegisterWidgetType(Type, Constructor, Version)