GetEventHandlers: Difference between revisions

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__NOTOC__
__NOTOC__
{{Server client function}}
{{Server client function}}
{{New feature/item|4.0132|1.3.1|4973|
{{New feature/item|3.0140|1.4|4973|
This function gets the attached functions from the event and element attached to event.
This function gets the attached functions from the event and attached element from current lua script.
}}
}}


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table getEventHandlers ( string eventName, element attachedTo )
table getEventHandlers ( string eventName, element attachedTo )
</syntaxhighlight>
</syntaxhighlight>


===Required Arguments===  
===Required Arguments===  
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===Returns===
===Returns===
Returns table with attached functions, false otherwise.
Returns table with attached functions, empty table otherwise.
 
===Example===
<section name="Server" class="server" show="true">
<syntaxhighlight lang="lua">
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)
</syntaxhighlight>
</section>


==See also==
{{Event functions}}
{{Event functions}}
[[Category:Needs Example]]

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

Shared



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