AddDropDownMenuButton

This is a user-defined function that you can copy and paste into your addon.

This function has been found to be faulty. It taints the pathway of other buttons in all drop downs, whereby the built-in security system prevent some secure functions from running. Do not use this function.

Calls to this function add additional buttons/links to the drop down/ right click popup menus within World of Warcraft.

<PREFIX>_addDropDownMenuButton(uid, dropdown, index, title, usable, onClick[, hint])

Function Parameters

Arguments

uid

String - A unique id to identify your custom button.

dropdown

String - The string represending the drop down menu to add this button too.

index

Integer - An integer saying where you would like it placed in the list.

title

String - The text to display on the button.

usable

Function - A function that returns true if the current setup is valid for it to display. (Two parameter: target name, target unit|Returns Boolean)

onClick

Function - A function that is performed when the button is clicked. (Four parameters: the button itself, target name, target unit, target server|No return)

Note:

The parameters target name, target unit and target server for the usable and onClick functions are not garunteed to be filled, and thus may have values of 'nil'.

Additional

Here is the list of WoW predefined drop downs and their button lists:

Drop downs	Buttons
"SELF"	"SET_FOCUS", "PVP_FLAG", "LOOT_METHOD", "LOOT_THRESHOLD", "OPT_OUT_LOOT_TITLE", "LOOT_PROMOTE", "DUNGEON_DIFFICULTY", "RESET_INSTANCES", "RAID_TARGET_ICON", "LEAVE", "CANCEL"
"PET"	"SET_FOCUS", "PET_PAPERDOLL", "PET_RENAME", "PET_ABANDON", "PET_DISMISS", "CANCEL"
"PARTY"	"SET_FOCUS", "MUTE", "UNMUTE", "PARTY_SILENCE", "PARTY_UNSILENCE", "RAID_SILENCE", "RAID_UNSILENCE", "BATTLEGROUND_SILENCE", "BATTLEGROUND_UNSILENCE", "WHISPER", "PROMOTE", "LOOT_PROMOTE", "UNINVITE", "INSPECT", "ACHIEVEMENTS", "TRADE", "FOLLOW", "DUEL", "RAID_TARGET_ICON", "PVP_REPORT_AFK", "RAF_SUMMON", "RAF_GRANT_LEVEL", "CANCEL"
"PLAYER"	"SET_FOCUS", "WHISPER", "INSPECT", "INVITE", "ACHIEVEMENTS", "TRADE", "FOLLOW", "DUEL", "RAID_TARGET_ICON", "RAF_SUMMON", "RAF_GRANT_LEVEL", "CANCEL" };
"RAID_PLAYER"	"SET_FOCUS", "MUTE", "UNMUTE", "RAID_SILENCE", "RAID_UNSILENCE", "BATTLEGROUND_SILENCE", "BATTLEGROUND_UNSILENCE", "WHISPER", "INSPECT", "ACHIEVEMENTS", "TRADE", "FOLLOW", "DUEL", "RAID_TARGET_ICON", "RAID_LEADER", "RAID_PROMOTE", "RAID_DEMOTE", "LOOT_PROMOTE", "RAID_REMOVE", "PVP_REPORT_AFK", "RAF_SUMMON", "RAF_GRANT_LEVEL", "CANCEL"
"RAID"	"SET_FOCUS", "MUTE", "UNMUTE", "RAID_SILENCE", "RAID_UNSILENCE", "BATTLEGROUND_SILENCE", "BATTLEGROUND_UNSILENCE", "RAID_LEADER", "RAID_PROMOTE", "RAID_MAINTANK", "RAID_MAINASSIST", "LOOT_PROMOTE", "RAID_DEMOTE", "RAID_REMOVE", "PVP_REPORT_AFK", "CANCEL"
"FRIEND"	"WHISPER", "INVITE", "TARGET", "IGNORE", "REPORT_SPAM", "GUILD_PROMOTE", "GUILD_LEAVE", "PVP_REPORT_AFK", "CANCEL"
"TEAM"	"WHISPER", "INVITE", "TARGET", "TEAM_PROMOTE", "TEAM_KICK", "TEAM_LEAVE", "CANCEL"
"RAID_TARGET_ICON"	"RAID_TARGET_1", "RAID_TARGET_2", "RAID_TARGET_3", "RAID_TARGET_4", "RAID_TARGET_5", "RAID_TARGET_6", "RAID_TARGET_7", "RAID_TARGET_8", "RAID_TARGET_NONE"
"CHAT_ROSTER"	"WHISPER", "TARGET", "MUTE", "UNMUTE", "CHAT_SILENCE", "CHAT_UNSILENCE", "CHAT_PROMOTE", "CHAT_DEMOTE", "CHAT_OWNER", "CANCEL"
"VEHICLE"	"SET_FOCUS", "RAID_TARGET_ICON", "VEHICLE_LEAVE", "CANCEL"
"TARGET"	"SET_FOCUS", "RAID_TARGET_ICON", "CANCEL"
"ARENAENEMY"	"SET_FOCUS", "CANCEL"
"FOCUS"	"CLEAR_FOCUS", "LOCK_FOCUS_FRAME", "UNLOCK_FOCUS_FRAME", "RAID_TARGET_ICON", "CANCEL"

Example

<PREFIX>_addDropDownMenuButton("HELLOW_WORLD","SELF",3,"Hello",function(name,unit) return true; end;,function(self,name,unit,server) <PREFIX>_printMSG("Hello World!"); end,"Click to greet the world");

Result

This example will add a new button called "Hello" to the drop down/popup when you right click you icon in the top left. Clicking on it will write "Hello World!" to the default chat frame.

Code

Note:

This code uses the support function allAreType

function <PREFIX>_addDropDownMenuButton(uid, dropdown, index, title, usable, onClick, hint)
  if(not (<PREFIX>_allAreType('string',uid,dropdown,title) and <PREFIX>_allAreType('function',usable,onClick) and type(index)=="number" and (hint==nil or type(hint)=="string") ) ) then
    return;
  end
  if(not UnitPopupMenus[dropdown]) then
    return;
  end
  tinsert(UnitPopupMenus[dropdown],index,uid);
  if(hint) then
    UnitPopupButtons[uid] = { text = title, dist = 0, tooltip = hint};
  else
    UnitPopupButtons[uid] = { text = title, dist = 0};
  end
  USER_DROPDOWNBUTTONS[uid] = {func = function(self)
      onClick(self,UIDROPDOWNMENU_OPEN_MENU.name,UIDROPDOWNMENU_OPEN_MENU.unit,UIDROPDOWNMENU_OPEN_MENU.server);
    end, enabled = usable};
end

USER_DROPDOWNBUTTONS = {};


local default_UIDropDownMenu_AddButton = UIDropDownMenu_AddButton;
UIDropDownMenu_AddButton = function(info, level)
  if(USER_DROPDOWNBUTTONS[info.value]) then
    local dropdownFrame = getglobal(UIDROPDOWNMENU_INIT_MENU);
    if(not USER_DROPDOWNBUTTONS[info.value].enabled(UIDROPDOWNMENU_OPEN_MENU.name,UIDROPDOWNMENU_OPEN_MENU.unit) ) then
      return
    end
    info.func = USER_DROPDOWNBUTTONS[info.value].func;
  end;
  default_UIDropDownMenu_AddButton(info,level);
end;