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annotate Libs/AceGUI-3.0/widgets/AceGUIContainer-TabGroup.lua @ 0:c6ff7ba0e8f6

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Reasonably functional now. Cleaning up some stuff which might have to be reverted.
author Zerotorescue
date Thu, 07 Oct 2010 17:17:43 +0200
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Zerotorescue@0 1 --[[-----------------------------------------------------------------------------
Zerotorescue@0 2 TabGroup Container
Zerotorescue@0 3 Container that uses tabs on top to switch between groups.
Zerotorescue@0 4 -------------------------------------------------------------------------------]]
Zerotorescue@0 5 local Type, Version = "TabGroup", 30
Zerotorescue@0 6 local AceGUI = LibStub and LibStub("AceGUI-3.0", true)
Zerotorescue@0 7 if not AceGUI or (AceGUI:GetWidgetVersion(Type) or 0) >= Version then return end
Zerotorescue@0 8
Zerotorescue@0 9 -- Lua APIs
Zerotorescue@0 10 local pairs, ipairs, assert, type, wipe = pairs, ipairs, assert, type, wipe
Zerotorescue@0 11
Zerotorescue@0 12 -- WoW APIs
Zerotorescue@0 13 local PlaySound = PlaySound
Zerotorescue@0 14 local CreateFrame, UIParent = CreateFrame, UIParent
Zerotorescue@0 15 local _G = _G
Zerotorescue@0 16
Zerotorescue@0 17 -- Global vars/functions that we don't upvalue since they might get hooked, or upgraded
Zerotorescue@0 18 -- List them here for Mikk's FindGlobals script
Zerotorescue@0 19 -- GLOBALS: PanelTemplates_TabResize, PanelTemplates_SetDisabledTabState, PanelTemplates_SelectTab, PanelTemplates_DeselectTab
Zerotorescue@0 20
Zerotorescue@0 21 -- local upvalue storage used by BuildTabs
Zerotorescue@0 22 local widths = {}
Zerotorescue@0 23 local rowwidths = {}
Zerotorescue@0 24 local rowends = {}
Zerotorescue@0 25
Zerotorescue@0 26 --[[-----------------------------------------------------------------------------
Zerotorescue@0 27 Support functions
Zerotorescue@0 28 -------------------------------------------------------------------------------]]
Zerotorescue@0 29 local function UpdateTabLook(frame)
Zerotorescue@0 30 if frame.disabled then
Zerotorescue@0 31 PanelTemplates_SetDisabledTabState(frame)
Zerotorescue@0 32 elseif frame.selected then
Zerotorescue@0 33 PanelTemplates_SelectTab(frame)
Zerotorescue@0 34 else
Zerotorescue@0 35 PanelTemplates_DeselectTab(frame)
Zerotorescue@0 36 end
Zerotorescue@0 37 end
Zerotorescue@0 38
Zerotorescue@0 39 local function Tab_SetText(frame, text)
Zerotorescue@0 40 frame:_SetText(text)
Zerotorescue@0 41 local width = frame.obj.frame.width or frame.obj.frame:GetWidth() or 0
Zerotorescue@0 42 PanelTemplates_TabResize(frame, 0, nil, width)
Zerotorescue@0 43 end
Zerotorescue@0 44
Zerotorescue@0 45 local function Tab_SetSelected(frame, selected)
Zerotorescue@0 46 frame.selected = selected
Zerotorescue@0 47 UpdateTabLook(frame)
Zerotorescue@0 48 end
Zerotorescue@0 49
Zerotorescue@0 50 local function Tab_SetDisabled(frame, disabled)
Zerotorescue@0 51 frame.disabled = disabled
Zerotorescue@0 52 UpdateTabLook(frame)
Zerotorescue@0 53 end
Zerotorescue@0 54
Zerotorescue@0 55 local function BuildTabsOnUpdate(frame)
Zerotorescue@0 56 local self = frame.obj
Zerotorescue@0 57 self:BuildTabs()
Zerotorescue@0 58 frame:SetScript("OnUpdate", nil)
Zerotorescue@0 59 end
Zerotorescue@0 60
Zerotorescue@0 61 --[[-----------------------------------------------------------------------------
Zerotorescue@0 62 Scripts
Zerotorescue@0 63 -------------------------------------------------------------------------------]]
Zerotorescue@0 64 local function Tab_OnClick(frame)
Zerotorescue@0 65 if not (frame.selected or frame.disabled) then
Zerotorescue@0 66 PlaySound("igCharacterInfoTab")
Zerotorescue@0 67 frame.obj:SelectTab(frame.value)
Zerotorescue@0 68 end
Zerotorescue@0 69 end
Zerotorescue@0 70
Zerotorescue@0 71 local function Tab_OnEnter(frame)
Zerotorescue@0 72 local self = frame.obj
Zerotorescue@0 73 self:Fire("OnTabEnter", self.tabs[frame.id].value, frame)
Zerotorescue@0 74 end
Zerotorescue@0 75
Zerotorescue@0 76 local function Tab_OnLeave(frame)
Zerotorescue@0 77 local self = frame.obj
Zerotorescue@0 78 self:Fire("OnTabLeave", self.tabs[frame.id].value, frame)
Zerotorescue@0 79 end
Zerotorescue@0 80
Zerotorescue@0 81 local function Tab_OnShow(frame)
Zerotorescue@0 82 _G[frame:GetName().."HighlightTexture"]:SetWidth(frame:GetTextWidth() + 30)
Zerotorescue@0 83 end
Zerotorescue@0 84
Zerotorescue@0 85 --[[-----------------------------------------------------------------------------
Zerotorescue@0 86 Methods
Zerotorescue@0 87 -------------------------------------------------------------------------------]]
Zerotorescue@0 88 local methods = {
Zerotorescue@0 89 ["OnAcquire"] = function(self)
Zerotorescue@0 90 self:SetTitle()
Zerotorescue@0 91 end,
Zerotorescue@0 92
Zerotorescue@0 93 ["OnRelease"] = function(self)
Zerotorescue@0 94 self.status = nil
Zerotorescue@0 95 for k in pairs(self.localstatus) do
Zerotorescue@0 96 self.localstatus[k] = nil
Zerotorescue@0 97 end
Zerotorescue@0 98 self.tablist = nil
Zerotorescue@0 99 for _, tab in pairs(self.tabs) do
Zerotorescue@0 100 tab:Hide()
Zerotorescue@0 101 end
Zerotorescue@0 102 end,
Zerotorescue@0 103
Zerotorescue@0 104 ["CreateTab"] = function(self, id)
Zerotorescue@0 105 local tabname = ("AceGUITabGroup%dTab%d"):format(self.num, id)
Zerotorescue@0 106 local tab = CreateFrame("Button", tabname, self.border, "OptionsFrameTabButtonTemplate")
Zerotorescue@0 107 tab.obj = self
Zerotorescue@0 108 tab.id = id
Zerotorescue@0 109
Zerotorescue@0 110 tab.text = _G[tabname .. "Text"]
Zerotorescue@0 111 tab.text:ClearAllPoints()
Zerotorescue@0 112 tab.text:SetPoint("LEFT", 14, -3)
Zerotorescue@0 113 tab.text:SetPoint("RIGHT", -12, -3)
Zerotorescue@0 114
Zerotorescue@0 115 tab:SetScript("OnClick", Tab_OnClick)
Zerotorescue@0 116 tab:SetScript("OnEnter", Tab_OnEnter)
Zerotorescue@0 117 tab:SetScript("OnLeave", Tab_OnLeave)
Zerotorescue@0 118 tab:SetScript("OnShow", Tab_OnShow)
Zerotorescue@0 119
Zerotorescue@0 120 tab._SetText = tab.SetText
Zerotorescue@0 121 tab.SetText = Tab_SetText
Zerotorescue@0 122 tab.SetSelected = Tab_SetSelected
Zerotorescue@0 123 tab.SetDisabled = Tab_SetDisabled
Zerotorescue@0 124
Zerotorescue@0 125 return tab
Zerotorescue@0 126 end,
Zerotorescue@0 127
Zerotorescue@0 128 ["SetTitle"] = function(self, text)
Zerotorescue@0 129 self.titletext:SetText(text or "")
Zerotorescue@0 130 if text and text ~= "" then
Zerotorescue@0 131 self.alignoffset = 25
Zerotorescue@0 132 else
Zerotorescue@0 133 self.alignoffset = 18
Zerotorescue@0 134 end
Zerotorescue@0 135 self:BuildTabs()
Zerotorescue@0 136 end,
Zerotorescue@0 137
Zerotorescue@0 138 ["SetStatusTable"] = function(self, status)
Zerotorescue@0 139 assert(type(status) == "table")
Zerotorescue@0 140 self.status = status
Zerotorescue@0 141 end,
Zerotorescue@0 142
Zerotorescue@0 143 ["SelectTab"] = function(self, value)
Zerotorescue@0 144 local status = self.status or self.localstatus
Zerotorescue@0 145 local found
Zerotorescue@0 146 for i, v in ipairs(self.tabs) do
Zerotorescue@0 147 if v.value == value then
Zerotorescue@0 148 v:SetSelected(true)
Zerotorescue@0 149 found = true
Zerotorescue@0 150 else
Zerotorescue@0 151 v:SetSelected(false)
Zerotorescue@0 152 end
Zerotorescue@0 153 end
Zerotorescue@0 154 status.selected = value
Zerotorescue@0 155 if found then
Zerotorescue@0 156 self:Fire("OnGroupSelected",value)
Zerotorescue@0 157 end
Zerotorescue@0 158 end,
Zerotorescue@0 159
Zerotorescue@0 160 ["SetTabs"] = function(self, tabs)
Zerotorescue@0 161 self.tablist = tabs
Zerotorescue@0 162 self:BuildTabs()
Zerotorescue@0 163 end,
Zerotorescue@0 164
Zerotorescue@0 165
Zerotorescue@0 166 ["BuildTabs"] = function(self)
Zerotorescue@0 167 local hastitle = (self.titletext:GetText() and self.titletext:GetText() ~= "")
Zerotorescue@0 168 local status = self.status or self.localstatus
Zerotorescue@0 169 local tablist = self.tablist
Zerotorescue@0 170 local tabs = self.tabs
Zerotorescue@0 171
Zerotorescue@0 172 if not tablist then return end
Zerotorescue@0 173
Zerotorescue@0 174 local width = self.frame.width or self.frame:GetWidth() or 0
Zerotorescue@0 175
Zerotorescue@0 176 wipe(widths)
Zerotorescue@0 177 wipe(rowwidths)
Zerotorescue@0 178 wipe(rowends)
Zerotorescue@0 179
Zerotorescue@0 180 --Place Text into tabs and get thier initial width
Zerotorescue@0 181 for i, v in ipairs(tablist) do
Zerotorescue@0 182 local tab = tabs[i]
Zerotorescue@0 183 if not tab then
Zerotorescue@0 184 tab = self:CreateTab(i)
Zerotorescue@0 185 tabs[i] = tab
Zerotorescue@0 186 end
Zerotorescue@0 187
Zerotorescue@0 188 tab:Show()
Zerotorescue@0 189 tab:SetText(v.text)
Zerotorescue@0 190 tab:SetDisabled(v.disabled)
Zerotorescue@0 191 tab.value = v.value
Zerotorescue@0 192
Zerotorescue@0 193 widths[i] = tab:GetWidth() - 6 --tabs are anchored 10 pixels from the right side of the previous one to reduce spacing, but add a fixed 4px padding for the text
Zerotorescue@0 194 end
Zerotorescue@0 195
Zerotorescue@0 196 for i = (#tablist)+1, #tabs, 1 do
Zerotorescue@0 197 tabs[i]:Hide()
Zerotorescue@0 198 end
Zerotorescue@0 199
Zerotorescue@0 200 --First pass, find the minimum number of rows needed to hold all tabs and the initial tab layout
Zerotorescue@0 201 local numtabs = #tablist
Zerotorescue@0 202 local numrows = 1
Zerotorescue@0 203 local usedwidth = 0
Zerotorescue@0 204
Zerotorescue@0 205 for i = 1, #tablist do
Zerotorescue@0 206 --If this is not the first tab of a row and there isn't room for it
Zerotorescue@0 207 if usedwidth ~= 0 and (width - usedwidth - widths[i]) < 0 then
Zerotorescue@0 208 rowwidths[numrows] = usedwidth + 10 --first tab in each row takes up an extra 10px
Zerotorescue@0 209 rowends[numrows] = i - 1
Zerotorescue@0 210 numrows = numrows + 1
Zerotorescue@0 211 usedwidth = 0
Zerotorescue@0 212 end
Zerotorescue@0 213 usedwidth = usedwidth + widths[i]
Zerotorescue@0 214 end
Zerotorescue@0 215 rowwidths[numrows] = usedwidth + 10 --first tab in each row takes up an extra 10px
Zerotorescue@0 216 rowends[numrows] = #tablist
Zerotorescue@0 217
Zerotorescue@0 218 --Fix for single tabs being left on the last row, move a tab from the row above if applicable
Zerotorescue@0 219 if numrows > 1 then
Zerotorescue@0 220 --if the last row has only one tab
Zerotorescue@0 221 if rowends[numrows-1] == numtabs-1 then
Zerotorescue@0 222 --if there are more than 2 tabs in the 2nd last row
Zerotorescue@0 223 if (numrows == 2 and rowends[numrows-1] > 2) or (rowends[numrows] - rowends[numrows-1] > 2) then
Zerotorescue@0 224 --move 1 tab from the second last row to the last, if there is enough space
Zerotorescue@0 225 if (rowwidths[numrows] + widths[numtabs-1]) <= width then
Zerotorescue@0 226 rowends[numrows-1] = rowends[numrows-1] - 1
Zerotorescue@0 227 rowwidths[numrows] = rowwidths[numrows] + widths[numtabs-1]
Zerotorescue@0 228 rowwidths[numrows-1] = rowwidths[numrows-1] - widths[numtabs-1]
Zerotorescue@0 229 end
Zerotorescue@0 230 end
Zerotorescue@0 231 end
Zerotorescue@0 232 end
Zerotorescue@0 233
Zerotorescue@0 234 --anchor the rows as defined and resize tabs to fill thier row
Zerotorescue@0 235 local starttab = 1
Zerotorescue@0 236 for row, endtab in ipairs(rowends) do
Zerotorescue@0 237 local first = true
Zerotorescue@0 238 for tabno = starttab, endtab do
Zerotorescue@0 239 local tab = tabs[tabno]
Zerotorescue@0 240 tab:ClearAllPoints()
Zerotorescue@0 241 if first then
Zerotorescue@0 242 tab:SetPoint("TOPLEFT", self.frame, "TOPLEFT", 0, -(hastitle and 14 or 7)-(row-1)*20 )
Zerotorescue@0 243 first = false
Zerotorescue@0 244 else
Zerotorescue@0 245 tab:SetPoint("LEFT", tabs[tabno-1], "RIGHT", -10, 0)
Zerotorescue@0 246 end
Zerotorescue@0 247 end
Zerotorescue@0 248
Zerotorescue@0 249 -- equal padding for each tab to fill the available width,
Zerotorescue@0 250 -- if the used space is above 75% already
Zerotorescue@0 251 local padding = 0
Zerotorescue@0 252 if not (numrows == 1 and rowwidths[1] < width*0.75) then
Zerotorescue@0 253 padding = (width - rowwidths[row]) / (endtab - starttab+1)
Zerotorescue@0 254 end
Zerotorescue@0 255
Zerotorescue@0 256 for i = starttab, endtab do
Zerotorescue@0 257 PanelTemplates_TabResize(tabs[i], padding + 4, nil, width)
Zerotorescue@0 258 end
Zerotorescue@0 259 starttab = endtab + 1
Zerotorescue@0 260 end
Zerotorescue@0 261
Zerotorescue@0 262 self.borderoffset = (hastitle and 17 or 10)+((numrows)*20)
Zerotorescue@0 263 self.border:SetPoint("TOPLEFT", 1, -self.borderoffset)
Zerotorescue@0 264 end,
Zerotorescue@0 265
Zerotorescue@0 266 ["OnWidthSet"] = function(self, width)
Zerotorescue@0 267 local content = self.content
Zerotorescue@0 268 local contentwidth = width - 60
Zerotorescue@0 269 if contentwidth < 0 then
Zerotorescue@0 270 contentwidth = 0
Zerotorescue@0 271 end
Zerotorescue@0 272 content:SetWidth(contentwidth)
Zerotorescue@0 273 content.width = contentwidth
Zerotorescue@0 274 self:BuildTabs(self)
Zerotorescue@0 275 self.frame:SetScript("OnUpdate", BuildTabsOnUpdate)
Zerotorescue@0 276 end,
Zerotorescue@0 277
Zerotorescue@0 278 ["OnHeightSet"] = function(self, height)
Zerotorescue@0 279 local content = self.content
Zerotorescue@0 280 local contentheight = height - (self.borderoffset + 23)
Zerotorescue@0 281 if contentheight < 0 then
Zerotorescue@0 282 contentheight = 0
Zerotorescue@0 283 end
Zerotorescue@0 284 content:SetHeight(contentheight)
Zerotorescue@0 285 content.height = contentheight
Zerotorescue@0 286 end,
Zerotorescue@0 287
Zerotorescue@0 288 ["LayoutFinished"] = function(self, width, height)
Zerotorescue@0 289 if self.noAutoHeight then return end
Zerotorescue@0 290 self:SetHeight((height or 0) + (self.borderoffset + 23))
Zerotorescue@0 291 end
Zerotorescue@0 292 }
Zerotorescue@0 293
Zerotorescue@0 294 --[[-----------------------------------------------------------------------------
Zerotorescue@0 295 Constructor
Zerotorescue@0 296 -------------------------------------------------------------------------------]]
Zerotorescue@0 297 local PaneBackdrop = {
Zerotorescue@0 298 bgFile = "Interface\\ChatFrame\\ChatFrameBackground",
Zerotorescue@0 299 edgeFile = "Interface\\Tooltips\\UI-Tooltip-Border",
Zerotorescue@0 300 tile = true, tileSize = 16, edgeSize = 16,
Zerotorescue@0 301 insets = { left = 3, right = 3, top = 5, bottom = 3 }
Zerotorescue@0 302 }
Zerotorescue@0 303
Zerotorescue@0 304 local function Constructor()
Zerotorescue@0 305 local num = AceGUI:GetNextWidgetNum(Type)
Zerotorescue@0 306 local frame = CreateFrame("Frame",nil,UIParent)
Zerotorescue@0 307 frame:SetHeight(100)
Zerotorescue@0 308 frame:SetWidth(100)
Zerotorescue@0 309 frame:SetFrameStrata("FULLSCREEN_DIALOG")
Zerotorescue@0 310
Zerotorescue@0 311 local titletext = frame:CreateFontString(nil,"OVERLAY","GameFontNormal")
Zerotorescue@0 312 titletext:SetPoint("TOPLEFT", 14, 0)
Zerotorescue@0 313 titletext:SetPoint("TOPRIGHT", -14, 0)
Zerotorescue@0 314 titletext:SetJustifyH("LEFT")
Zerotorescue@0 315 titletext:SetHeight(18)
Zerotorescue@0 316 titletext:SetText("")
Zerotorescue@0 317
Zerotorescue@0 318 local border = CreateFrame("Frame", nil, frame)
Zerotorescue@0 319 border:SetPoint("TOPLEFT", 1, -27)
Zerotorescue@0 320 border:SetPoint("BOTTOMRIGHT", -1, 3)
Zerotorescue@0 321 border:SetBackdrop(PaneBackdrop)
Zerotorescue@0 322 border:SetBackdropColor(0.1, 0.1, 0.1, 0.5)
Zerotorescue@0 323 border:SetBackdropBorderColor(0.4, 0.4, 0.4)
Zerotorescue@0 324
Zerotorescue@0 325 local content = CreateFrame("Frame", nil, border)
Zerotorescue@0 326 content:SetPoint("TOPLEFT", 10, -7)
Zerotorescue@0 327 content:SetPoint("BOTTOMRIGHT", -10, 7)
Zerotorescue@0 328
Zerotorescue@0 329 local widget = {
Zerotorescue@0 330 num = num,
Zerotorescue@0 331 frame = frame,
Zerotorescue@0 332 localstatus = {},
Zerotorescue@0 333 alignoffset = 18,
Zerotorescue@0 334 titletext = titletext,
Zerotorescue@0 335 border = border,
Zerotorescue@0 336 borderoffset = 27,
Zerotorescue@0 337 tabs = {},
Zerotorescue@0 338 content = content,
Zerotorescue@0 339 type = Type
Zerotorescue@0 340 }
Zerotorescue@0 341 for method, func in pairs(methods) do
Zerotorescue@0 342 widget[method] = func
Zerotorescue@0 343 end
Zerotorescue@0 344
Zerotorescue@0 345 return AceGUI:RegisterAsContainer(widget)
Zerotorescue@0 346 end
Zerotorescue@0 347
Zerotorescue@0 348 AceGUI:RegisterWidgetType(Type, Constructor, Version)