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User defined functions

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These are cut-and-paste functions that you can use in your addons, submitted by WoWWiki contributors.

API Edit

The following functions aim at extending the information WoW API provides; some are provided by specialized addons rather than being copy/pastable.

GetSellValue(item) - Returns an item's merchant sell price.
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 Edit

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 Edit

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 Edit

GetCursorScaledPosition() - Return the exact position the cursor is at based on scale.

Event Functions Edit

PLAYER_MONEY - Add a message to the chat frame when you gain or spend money.

Frame Functions Edit

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 Edit

GuildNameToIndex(name, searchOffline) - Takes a name and converts it to their index within the guild for other guild functions.

Item Functions Edit

EquipItemByLink(link) - Equips the first matching item found in the player's bags.

Localization Tables Edit

LocalizedClassNames - Table of localized classes

Map Functions Edit

GetPlayerBearing() - Returns the player's current facing bearing based on minimap arrow

Menu Functions Edit

Context Menu Maker - Pseudo-Class. Add/Remove menu items and show the menu when you're ready.

Metatables Edit

Memorizing table - A special table that calculates values as needed and saves them into itself

Number Functions Edit

round(input, n) - Round input to n places.
truncate(number, n) - Truncate a number to n decimal places.

Slash Function Edit

GetSlashFunc - Get an existing slash command function for hooking.
RunSlashCmd - Passes a slash command to the chatframe
SlashCmdList_AddSlashCommand(name, func, ...)

String Functions Edit

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 Edit

EraseTable(t) - Erase all values from a table
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

Time Functions Edit

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 Edit

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