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annotate classes/Button.lua @ 168:07c76dbc0236

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minor cleanup for multicastbutton (drycoded)
author Flick <flickerstreak@gmail.com>
date Tue, 19 Oct 2010 17:08:48 +0000
parents 16048f516f5e
children 8cc187143acd
rev   line source
flickerstreak@122 1 --[[
flickerstreak@122 2 ReAction Button base class
flickerstreak@122 3 --]]
flickerstreak@122 4
flickerstreak@122 5 -- local imports
flickerstreak@122 6 local ReAction = ReAction
flickerstreak@122 7 local L = ReAction.L
flickerstreak@122 8 local _G = _G
flickerstreak@122 9 local CreateFrame = CreateFrame
flickerstreak@122 10 local GetBindingKey = GetBindingKey
flickerstreak@122 11 local format = string.format
flickerstreak@122 12
flickerstreak@122 13 ReAction:UpdateRevision("$Revision: 154 $")
flickerstreak@122 14
flickerstreak@122 15 -- libraries
flickerstreak@122 16 local KB = LibStub("LibKeyBound-1.0")
flickerstreak@122 17 local LBF = LibStub("LibButtonFacade",true) -- optional
flickerstreak@122 18
flickerstreak@122 19 -- private
flickerstreak@122 20 local trash = CreateFrame("Frame")
flickerstreak@122 21 local frameList = { }
flickerstreak@122 22 local idPools = { }
flickerstreak@122 23
flickerstreak@122 24 local function kb_onEnter( frame )
flickerstreak@122 25 KB:Set(frame)
flickerstreak@122 26 end
flickerstreak@122 27
flickerstreak@122 28 -- Button class
flickerstreak@122 29 local Button = { }
flickerstreak@122 30
flickerstreak@122 31 ReAction.Button = Button -- export to ReAction
flickerstreak@122 32
flickerstreak@129 33 function Button:New( name, config, bar, idx, inherits, buttonType )
flickerstreak@122 34 buttonType = buttonType or "CheckButton"
flickerstreak@122 35
flickerstreak@122 36 -- create new self
flickerstreak@122 37 self = setmetatable(
flickerstreak@122 38 {
flickerstreak@122 39 bar = bar,
flickerstreak@122 40 idx = idx,
flickerstreak@129 41 config = config,
flickerstreak@122 42 name = name,
flickerstreak@122 43 },
flickerstreak@122 44 { __index = self } )
flickerstreak@122 45
flickerstreak@122 46 -- have to recycle frames with the same name: CreateFrame() doesn't overwrite
flickerstreak@122 47 -- existing globals. Can't set to nil in the global because it's then tainted.
flickerstreak@122 48 -- Caller is responsible for ensuring global uniqueness of names.
flickerstreak@122 49 local f = name and frameList[name]
flickerstreak@122 50 if f then
flickerstreak@122 51 f:SetParent(bar:GetFrame())
flickerstreak@122 52 else
flickerstreak@122 53 f = CreateFrame(buttonType, name, bar:GetFrame(), inherits)
flickerstreak@122 54 if name then
flickerstreak@122 55 frameList[name] = f
flickerstreak@122 56 end
flickerstreak@122 57 end
flickerstreak@122 58
flickerstreak@122 59 self.frame = f
flickerstreak@122 60
flickerstreak@131 61 local frames = { }
flickerstreak@131 62 self.frames = frames
flickerstreak@131 63 frames.icon = _G[name.."Icon"]
flickerstreak@131 64 frames.flash = _G[name.."Flash"]
flickerstreak@131 65 frames.hotkey = _G[name.."HotKey"]
flickerstreak@131 66 frames.count = _G[name.."Count"]
flickerstreak@131 67 frames.name = _G[name.."Name"]
flickerstreak@131 68 frames.border = _G[name.."Border"]
flickerstreak@131 69 frames.cooldown = _G[name.."Cooldown"]
flickerstreak@131 70 frames.normalTexture = _G[name.."NormalTexture"]
flickerstreak@131 71
flickerstreak@122 72 if config then
flickerstreak@122 73 config.name = name
flickerstreak@122 74 end
flickerstreak@122 75
flickerstreak@122 76 -- install LibKeyBound handlers onto frame
flickerstreak@122 77 function f:GetActionName()
flickerstreak@122 78 return format("%s:%s", bar:GetName(), idx)
flickerstreak@122 79 end
flickerstreak@122 80
flickerstreak@122 81 local clickBinding = format("CLICK %s:LeftButton", name)
flickerstreak@122 82 function f:GetHotkey()
flickerstreak@122 83 return KB:ToShortKey(GetBindingKey(clickBinding))
flickerstreak@122 84 end
flickerstreak@122 85
flickerstreak@122 86 return self
flickerstreak@122 87 end
flickerstreak@122 88
flickerstreak@122 89 function Button:Destroy()
flickerstreak@126 90 local f = self:GetFrame()
flickerstreak@132 91 f:UnregisterAllEvents()
flickerstreak@132 92 self:ReleaseActionID(self:GetActionID())
flickerstreak@126 93 if f then
flickerstreak@126 94 f:Hide()
flickerstreak@126 95 f:SetParent(trash)
flickerstreak@126 96 f:ClearAllPoints()
flickerstreak@126 97 end
flickerstreak@122 98 end
flickerstreak@122 99
flickerstreak@128 100 function Button:GetBar()
flickerstreak@128 101 return self.bar
flickerstreak@128 102 end
flickerstreak@128 103
flickerstreak@122 104 function Button:GetFrame()
flickerstreak@122 105 return self.frame
flickerstreak@122 106 end
flickerstreak@122 107
flickerstreak@122 108 function Button:GetName()
flickerstreak@122 109 return self.name
flickerstreak@122 110 end
flickerstreak@122 111
flickerstreak@122 112 function Button:GetConfig()
flickerstreak@122 113 return self.config
flickerstreak@122 114 end
flickerstreak@122 115
flickerstreak@122 116 function Button:GetActionID()
flickerstreak@122 117 -- derived classes should override this
flickerstreak@122 118 return nil
flickerstreak@122 119 end
flickerstreak@122 120
flickerstreak@122 121 function Button:SetActionIDPool( poolID, maxID )
flickerstreak@122 122 self.actionPoolID = poolID
flickerstreak@122 123 self.actionMaxID = maxID
flickerstreak@122 124 end
flickerstreak@122 125
flickerstreak@122 126 function Button:AcquireActionID( id, hint, unique )
flickerstreak@122 127 local poolID = self.actionPoolID
flickerstreak@122 128 local maxID = self.actionMaxID
flickerstreak@122 129 if not poolID or not maxID then
flickerstreak@122 130 error("AcquireActionID: must setup pool first with SetActionIDPool")
flickerstreak@122 131 end
flickerstreak@123 132 local pool = idPools[poolID]
flickerstreak@122 133 if not pool then
flickerstreak@122 134 pool = { nWraps = 0, useCount = { } }
flickerstreak@122 135 for i = 1, maxID do
flickerstreak@122 136 pool.useCount[i] = 0
flickerstreak@122 137 end
flickerstreak@123 138 idPools[poolID] = pool
flickerstreak@122 139 end
flickerstreak@122 140 local useCount = pool.useCount
flickerstreak@122 141 if id == nil then
flickerstreak@122 142 repeat
flickerstreak@126 143 local nWraps = pool.nWraps or 0
flickerstreak@126 144 if hint and (useCount[hint] == nil or useCount[hint] == nWraps) then
flickerstreak@122 145 id = hint
flickerstreak@122 146 else
flickerstreak@122 147 local start = hint or 1
flickerstreak@122 148 for i = start, maxID do
flickerstreak@122 149 if useCount[i] == nil or useCount[i] == nWraps then
flickerstreak@122 150 id = i
flickerstreak@122 151 break
flickerstreak@122 152 end
flickerstreak@122 153 end
flickerstreak@122 154 if not id then
flickerstreak@122 155 for i = 1, start do
flickerstreak@122 156 if useCount[i] == nil or useCount[i] == nWraps then
flickerstreak@122 157 id = i
flickerstreak@122 158 break
flickerstreak@122 159 end
flickerstreak@122 160 end
flickerstreak@122 161 end
flickerstreak@122 162 end
flickerstreak@122 163 if id == nil then
flickerstreak@122 164 if unique then
flickerstreak@122 165 return nil
flickerstreak@122 166 end
flickerstreak@122 167 pool.nWraps = nWraps + 1
flickerstreak@122 168 end
flickerstreak@126 169 until id ~= nil
flickerstreak@122 170 end
flickerstreak@122 171 useCount[id] = (useCount[id] or 0) + 1
flickerstreak@122 172 return id
flickerstreak@122 173 end
flickerstreak@122 174
flickerstreak@122 175 function Button:ReleaseActionID( id )
flickerstreak@122 176 local poolID = self.actionPoolID
flickerstreak@122 177 if not poolID then
flickerstreak@122 178 error("ReleaseActionID: must setup pool first with SetActionIDPool")
flickerstreak@122 179 end
flickerstreak@123 180 local pool = idPools[poolID]
flickerstreak@122 181 if pool and id and pool.useCount[id] then
flickerstreak@122 182 pool.useCount[id] = pool.useCount[id] - 1
flickerstreak@122 183 pool.nWraps = min(pool.useCount[id], pool.nWraps)
flickerstreak@122 184 end
flickerstreak@122 185 end
flickerstreak@122 186
flickerstreak@122 187 function Button:Refresh()
flickerstreak@129 188 local f = self:GetFrame()
flickerstreak@129 189 self.bar:PlaceButton( self, f:GetWidth(), f:GetHeight() )
flickerstreak@122 190 end
flickerstreak@122 191
flickerstreak@122 192 function Button:SetKeybindMode( mode )
flickerstreak@122 193 local f = self.frame
flickerstreak@122 194 if mode then
flickerstreak@122 195 self.oldOnEnter = f:GetScript("OnEnter")
flickerstreak@122 196 f:SetScript("OnEnter", kb_onEnter)
flickerstreak@124 197 elseif self.oldOnEnter then
flickerstreak@122 198 f:SetScript("OnEnter", self.oldOnEnter)
flickerstreak@122 199 self.oldOnEnter = nil
flickerstreak@122 200 end
flickerstreak@128 201 self:ShowGridTemp(mode)
flickerstreak@122 202 self:UpdateKeybindModeDisplay( mode )
flickerstreak@122 203 end
flickerstreak@122 204
flickerstreak@122 205 function Button:UpdateKeybindModeDisplay( mode )
flickerstreak@131 206 local border = self.frames.border or _G[format("%sBorder",tostring(self:GetName()))]
flickerstreak@131 207 if border then
flickerstreak@122 208 if mode then
flickerstreak@131 209 border:SetVertexColor(KB:GetColorKeyBoundMode())
flickerstreak@131 210 border:Show()
flickerstreak@122 211 else
flickerstreak@131 212 border:Hide()
flickerstreak@122 213 end
flickerstreak@122 214 end
flickerstreak@122 215 end
flickerstreak@122 216
flickerstreak@122 217 function Button:UpdateHotkey( hotkey )
flickerstreak@131 218 hotkey = hotkey or self.frames.hotkey
flickerstreak@122 219 if not hotkey then
flickerstreak@129 220 hotkey = _G[self:GetName().."HotKey"]
flickerstreak@131 221 self.frames.hotkey = hotkey
flickerstreak@122 222 end
flickerstreak@122 223 if hotkey then
flickerstreak@122 224 local txt = self.frame:GetHotkey()
flickerstreak@122 225 hotkey:SetText( txt )
flickerstreak@122 226 if txt == nil or txt == "" then
flickerstreak@122 227 hotkey:Hide()
flickerstreak@122 228 else
flickerstreak@122 229 hotkey:Show()
flickerstreak@122 230 end
flickerstreak@122 231 end
flickerstreak@122 232 end
flickerstreak@122 233
flickerstreak@122 234 function Button:GetActionIDLabel( create )
flickerstreak@129 235 local f = self:GetFrame()
flickerstreak@122 236 if not f.actionIDLabel and create then
flickerstreak@122 237 local label = f:CreateFontString(nil,"OVERLAY","GameFontNormalLarge")
flickerstreak@122 238 label:SetAllPoints()
flickerstreak@122 239 label:SetJustifyH("CENTER")
flickerstreak@122 240 label:SetShadowColor(0,0,0,1)
flickerstreak@122 241 label:SetShadowOffset(2,-2)
flickerstreak@122 242 f.actionIDLabel = label -- store the label with the frame for recycling
flickerstreak@122 243 end
flickerstreak@122 244 return f.actionIDLabel
flickerstreak@122 245 end
flickerstreak@122 246
flickerstreak@122 247 function Button:UpdateActionIDLabel( show )
flickerstreak@122 248 local label = self:GetActionIDLabel( show )
flickerstreak@122 249 if label then
flickerstreak@122 250 if show then
flickerstreak@122 251 local id = self:GetActionID()
flickerstreak@122 252 if id then
flickerstreak@122 253 label:SetText(tostring(id))
flickerstreak@122 254 label:Show()
flickerstreak@122 255 return
flickerstreak@122 256 end
flickerstreak@122 257 end
flickerstreak@122 258 label:Hide()
flickerstreak@122 259 end
flickerstreak@122 260 end
flickerstreak@122 261
flickerstreak@122 262 function Button:SetNormalVertexColor( r, g, b, a )
flickerstreak@122 263 if LBF then
flickerstreak@129 264 LBF:SetNormalVertexColor(self:GetFrame(), r, g, b, a)
flickerstreak@122 265 else
flickerstreak@129 266 self:GetFrame():GetNormalTexture():SetVertexColor(r,g,b,a)
flickerstreak@122 267 end
flickerstreak@122 268 end
flickerstreak@122 269
flickerstreak@122 270 function Button:GetNormalVertexColor()
flickerstreak@122 271 if LBF then
flickerstreak@129 272 return LBF:GetNormalVertexColor(self:GetFrame())
flickerstreak@122 273 else
flickerstreak@129 274 return self:GetFrame():GetNormalTexture():GetVertexColor()
flickerstreak@122 275 end
flickerstreak@122 276 end
flickerstreak@122 277
flickerstreak@122 278 function Button:UpdateShowGrid()
flickerstreak@122 279 -- does nothing by default
flickerstreak@122 280 end
flickerstreak@128 281
flickerstreak@128 282 function Button:ShowGridTemp(show)
flickerstreak@128 283 -- does nothing by default
flickerstreak@128 284 end
flickerstreak@128 285
flickerstreak@128 286 function Button:ShowGrid(show)
flickerstreak@128 287 -- does nothing by default
flickerstreak@128 288 end