User defined functions

These are cut-and-paste functions that you can use in your addons, submitted by Wowpedia contributors.
==API==
The following functions aim at extending the information WoW API provides; some are provided by specialized addons rather than being copy/pastable.
:GetMinimapShape() - Returns a string describing the shape of the minimap (square? round? and more)
:allAreType(type,...) - Returns true if all the additional parameters are of the type specified.
==Arguments & Returns==
: setArgs(myTable, "name", ...) - remember list of arguments to use for a callback
: getArgs(myTable, "name", ...) - retreive stored list of arguments, plus optional extras
: GetReturnValues(order, functionCall) - Get the return values from functionCall in any order you want.
==Color Functions==
:ColorGradient(perc, R1, G1, B1, R2, G2, B2[, ...]) - Converts a percent value into a gradient from 2 or more RGB values
:HexToRGB("string") - Converts a hex color string to RGB values (0-255)
:HexToRGBPerc("string") - Converts a hex color string to RGB values (0.0-1.0)
:RGBToHex(red, green, blue) - Converts a RGB value (0-255) into a hex string
:RGBPercToHex(red, green, blue) - Converts a RGB value (0.0-1.0) into a hex string
==Cursor Functions==
:GetCursorScaledPosition() - Return the exact position the cursor is at based on scale.
==Event Functions==
:PLAYER_MONEY - Add a message to the chat frame when you gain or spend money.
==Frame Functions==
: GetQuadrant(frame) - Find which quadrant of the screen a frame lies in.
: GetUIParentAnchor(frame) - Returns SetPoint args for the frame, anchor is relative to the nearest corner of the screen.
: Frame:RegisterEvents(...) - Register n number of events at once.
: Frame:UnregisterEvents(...) - Unregister n number of events at once.
: Frame:SetManyAttributes(...) - Simple function to embed in a frame to set many atributes at once.
: UnregisterEventFromAllFrames(event) - Tell all the frames listening for event to stop listening for it.
: addDropDownMenuButton(uid, dropdown, index, title, usable, onClick [, hint]) - Adds a new button to a drop down (right-click popup) list of your choice.
==Guild Functions==
:GuildNameToIndex(name, searchOffline) - Takes a name and converts it to their index within the guild for other guild functions.
==Item Functions==
:EquipItemByLink(link) - Equips the first matching item found in the player's bags.
:GetItemInfoDelayed(itemID or "itemString" or "itemName" or "itemLink") - Process item info, delay when necessary.
==Localization Tables==
: LocalizedClassNames - Table of localized classes
==Map Functions==
:GetPlayerBearing() - Returns the player's current facing bearing based on minimap arrow
==Menu Functions==
:Context Menu Maker - Pseudo-Class. Add/Remove menu items and show the menu when you're ready.
==Metatables==
: Memorizing table - A special table that calculates values as needed and saves them into itself
==Number Functions==
: round(input, n) - Round input to n places.
: truncate(number, n) - Truncate a number to n decimal places.
==Slash Function==
: GetSlashFunc - Get an existing slash command function for hooking.
: RunSlashCmd - Passes a slash command to the chatframe
: SlashCmdList_AddSlashCommand(name, func, ...)
==String Functions==
:ChunkSplit(string [, length [, endChars]]) - Split a string into groups of "length" each ending with "endChars" (identical to the PHP function of the same name).
:CountChars(haystack, needle) - Return how many times needle is contained in haystack.
:GetWords("string") - Split words on space boundary, return table
:printMSG("string") - Displays a custom message to the default chat frame, for the user to see (time, code and size saver).
:strfindt(tabCaptures, ...) - Wrapper for strfind() that returns captures in a table - can be used in if() clauses!
:StringHash("string") - Create a fair-quality 32-bit hash of a string
:substr("string", start [, length]) - Imp strsub. Returns a string starting from start to length characters from start (identical to the PHP function of the same name).
==Table Functions==
:tinsertbeforeval(tab, valBefore, val) - Insert one value before another (without knowing its index)
:tremovebyval(tab, val) - Remove a value (without knowing its index)
:tcount(tab) - Count table members (works on non-integer-indexed tables)
:tcopy(tabTo, tabFrom) - Recursively copy contents of one table to another
:orderedpairs(tab[, comparisonFunc]) - Iterate over the table in key/value order specified by comparisonFunc
==Time Functions==
:GameTime:Get() - Get server time including seconds and milliseconds
:wait(delay,function [, param [,param [,...]]]) - Wait a specified amount of time before running a function with the given parameters.
:SecondsToDays() - Converts seconds to days/hours/minutes/seconds
==See also==
* :Category:HOWTOs
Category:Interface customization
 User defined functions