GetEventHandlers: Difference between revisions

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m (return result fixed)
 
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===Returns===
===Returns===
Returns table with attached functions, empty array otherwise.
Returns table with attached functions, empty table otherwise.


===Example===
===Example===
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<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
function isEventHandlerAdded( sEventName, pElementAttachedTo, func )
function isEventHandlerAdded( sEventName, pElementAttachedTo, func )
if  
if type( sEventName ) == 'string' and isElement( pElementAttachedTo ) and type( func ) == 'function' then
type( sEventName ) == 'string' and  
    local aAttachedFunctions = getEventHandlers( sEventName, pElementAttachedTo )
isElement( pElementAttachedTo ) and  
type( func ) == 'function'  
then
local aAttachedFunctions = getEventHandlers( sEventName, pElementAttachedTo )
if type( aAttachedFunctions ) == 'table' and #aAttachedFunctions > 0 then
if type( aAttachedFunctions ) == 'table' and #aAttachedFunctions > 0 then
for i, v in ipairs( aAttachedFunctions ) do
for i, v in ipairs( aAttachedFunctions ) do
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end
end
end
end
return false
return false
end
end
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addEventHandler( 'onPlayerWasted', root, onPlayerWasted )
addEventHandler( 'onPlayerWasted', root, onPlayerWasted )


addCommandHandler( 'removeOnPlayerWastedEvent',
addCommandHandler( 'removeOnPlayerWastedEvent', function()
function()
    if isEventHandlerAdded( 'onPlayerWasted', root, onPlayerWasted ) then
if isEventHandlerAdded( 'onPlayerWasted', root, onPlayerWasted ) then
        outputChatBox( 'onPlayerWasted succesfully removed!' )
outputChatBox( 'onPlayerWasted succesfully removed!' )
        removeEventHandler( 'onPlayerWasted', root, onPlayerWasted )
removeEventHandler( 'onPlayerWasted', root, onPlayerWasted )
    end
end
end)
end
)
</syntaxhighlight>
</syntaxhighlight>
</section>
</section>

Latest revision as of 05:33, 28 April 2020

This function gets the attached functions from the event and attached element from current lua script.

Syntax

table getEventHandlers ( string eventName, element attachedTo )

Required Arguments

  • eventName: The name of the event. For example ( "onPlayerWasted" ).
  • attachedTo: The element attached to.

Returns

Returns table with attached functions, empty table otherwise.

Example

Click to collapse [-]
Server
function isEventHandlerAdded( sEventName, pElementAttachedTo, func )
	if type( sEventName ) == 'string' and isElement( pElementAttachedTo ) and type( func ) == 'function' then
	    local aAttachedFunctions = getEventHandlers( sEventName, pElementAttachedTo )
		if type( aAttachedFunctions ) == 'table' and #aAttachedFunctions > 0 then
			for i, v in ipairs( aAttachedFunctions ) do
				if v == func then
					return true
				end
			end
		end
	end
	return false
end

function onPlayerWasted()
	outputChatBox( getPlayerName( source ) .. ' died.' )
end
addEventHandler( 'onPlayerWasted', root, onPlayerWasted )

addCommandHandler( 'removeOnPlayerWastedEvent', function()
    if isEventHandlerAdded( 'onPlayerWasted', root, onPlayerWasted ) then
        outputChatBox( 'onPlayerWasted succesfully removed!' )
        removeEventHandler( 'onPlayerWasted', root, onPlayerWasted )
    end
end)

See also