isPropertyEmpty: Difference between revisions
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Verisimilar (talk | contribs) m (Added version.) |
Verisimilar (talk | contribs) m (Updated with recent version changes.) |
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{{stub|Examples using the new functionality.}} | |||
{{MacroFunction | {{MacroFunction | ||
|name=isPropertyEmpty | |name=isPropertyEmpty | ||
|version=1.3b48 | |version=1.3b48 | ||
|description= | |description= | ||
Returns | Returns {{true}} if the [[Token Property]] for a specific [[Token]] is empty. A [[Token Property]] is considered empty if it is {{code|NULL}}; if an empty string ({{code|""}}) has been assigned to it, it is not considered empty. | ||
|usage= | |usage= | ||
<source lang="mtmacro" line> | <source lang="mtmacro" line> | ||
isPropertyEmpty( | isPropertyEmpty(property) | ||
</source> | </source> | ||
<source lang="mtmacro" line> | |||
isPropertyEmpty(property, id) | |||
</source> | |||
'''Parameters''' | |||
{{param|property|The name of the property that has its value checked.}} | |||
{{param|id|The token {{code|id}} of the token that has its value checked, defaults to the [[Current Token]]. {{TrustedParameter}} }} | |||
|example= | |example= | ||
| Line 14: | Line 21: | ||
[r, if(isPropertyEmpty("propertyName")): propertyName = someDefaultValue] | [r, if(isPropertyEmpty("propertyName")): propertyName = someDefaultValue] | ||
</source> | </source> | ||
|also= | |||
[[resetProperty|resetProperty()]], | |||
[[getProperty|getProperty()]], | |||
[[setProperty|setProperty()]] | |||
|changes= | |||
{{change|1.3b51|Added {{code|id}} parameter option.}} | |||
}} | }} | ||
[[Category:Token Function]] | [[Category:Token Function]] | ||
Revision as of 04:37, 31 March 2009
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This article needs: Examples using the new functionality.
isPropertyEmpty() Function
• Introduced in version 1.3b48
Returns
true(1) if the Token Property for a specific Token is empty. A Token Property is considered empty if it is NULL; if an empty string ("") has been assigned to it, it is not considered empty.Usage
isPropertyEmpty(property)isPropertyEmpty(property, id)Parameters
property- The name of the property that has its value checked.id- The tokenidof the token that has its value checked, defaults to the Current Token.Note: This parameter can only be used in a Trusted Macro.
Example
[r, if(isPropertyEmpty("propertyName")): propertyName = someDefaultValue]See Also
Version Changes
- 1.3b51 - Added
idparameter option.