Module:If preview: Difference between revisions
From Roses, Tulips, & Liberty
Content added Content deleted
(module to help templates/modules determine if they are being previewed) |
(replace is_set with code from Module:Citation/CS1/Utilities. Note previous edit was derived from Module:Citation/CS1/sandbox code.) |
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local result = '' |
local result = '' |
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Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id |
Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id |
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if |
if not (Preview_mode == nil or Preview_mode == '') then -- if there is a value then this is not a preiview |
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result = frame.args[2] or ''; |
result = frame.args[2] or ''; |
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else |
else |
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local result = '' |
local result = '' |
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Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id |
Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id |
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if |
if not (Preview_mode == nil or Preview_mode == '') then -- if there is a value then this is not a preiview |
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result = frame.args[2] |
result = frame.args[2] |
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else |
else |
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local result = '' |
local result = '' |
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Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id |
Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id |
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if |
if not (Preview_mode == nil or Preview_mode == '') then -- if there is a value then this is not a preiview |
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result = false; |
result = false; |
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else |
else |
Revision as of 05:44, 13 May 2016
Documentation for this module may be created at Module:If preview/doc
local p = {}
--[[
main
This function returns the either the first argument or second argument passed to this module, depending on whether it is being previewed.
Usage:
{{#invoke:If preview|main|value_if_preview|value_if_not_preview}}
]]
function p.main(frame)
local result = ''
Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id
if not (Preview_mode == nil or Preview_mode == '') then -- if there is a value then this is not a preiview
result = frame.args[2] or '';
else
result = frame.args[1] or ''; -- no value (nil or empty string) so this is a preview
end
return result
end
--[[
pmain
This function returns the either the first argument or second argument passed to this module's parent (i.e. template using this module), depending on whether it is being previewed.
Usage:
{{#invoke:If preview|pmain}}
]]
function p.pmain(frame)
local parent = frame.getParent(frame)
local result = ''
Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id
if not (Preview_mode == nil or Preview_mode == '') then -- if there is a value then this is not a preiview
result = frame.args[2]
else
result = frame.args[1]; -- no value (nil or empty string) so this is a preview
end
return result
end
--[[
boolean
This function returns the either true or false, depending on whether it is being previewed.
Usage:
{{#invoke:If preview|boolean}}
]]
function p.main(frame)
local result = ''
Preview_mode = frame:preprocess('{{REVISIONID}}'); -- use magic word to get revision id
if not (Preview_mode == nil or Preview_mode == '') then -- if there is a value then this is not a preiview
result = false;
else
result = true; -- no value (nil or empty string) so this is a preview
end
return result
end
return p