TWiki Variables » Search » Category: System Information

CHILDREN -- find children of a topic

• Find direct children of a topic, as defined by the parent-child relationship between topics.
• To find children recursively (topic tree) use the TWiki:Plugins.TreePlugin (not yet installed).
• Syntax: %CHILDREN{...}%
• Supported parameters:

  Parameter:	Description:	Default:
  web="%WEB%"	Wiki web.	Current web
  topic="%TOPIC%"	The topic to find the children.	Current topic
  format="..."	Custom format for each topic found. Supports same format strings as SEARCH. See FormattedSearch for usage, variables & examples	"$topic"
  separator="..."	Separator between topics.	", "
  default="none"	Default text shown if no children found.	"" (empty)

• Example: %CHILDREN{ topic="%TOPIC%" }%
• Category: SearchingAndListingVariables, SystemInformationVariables
• Related: META, PARENTTOPIC, METASEARCH, SEARCH (this topic)

CONTENTMODE{web="WEB"} -- content mode

• Returns the content mode of the specified web. It's either 'local', 'read-only', 'master', or 'slave'. Read ReadOnlyAndMirrorWebs#Content_modes for more detail.
• Syntax: %CONTENTMODE{web="WEB"}%
• Supported parameters:

  Parameter:	Description:	Default:
  web	The name of the web.	The current web

• Category: SystemInformationVariables
• Related: SITENAME, ReadOnlyAndMirrorWebs, MetadataRepository (this topic)

MDREPO -- retrieve data from metadata repository

• Attention: This variable works only if MetadataRepository is in use. Otherwise, it always returns a zero length string.
• This retrieves data from the specified metadata repository table.
• Syntax: %MDREPO{ "table" ...}% (generic form), %MDREPO{ web="..." ...}% (web specific form)
• Parameters (generic form without web="..." parameter):

  Parameter	Description	Default
  "..."	Specify the table to retrieve	This or below is required
  table="..."	(Alternative to above)	This or above is required
  separator="..."	The separator string of records	"$n" (new line)
  format="..."	Format of one record. It may contain the following items. In addtion, the standard special tokens are handled accordingly. Item Description $_ or $_() the record ID $__ or $__() The record value in the following format: FIELD_NAME=FIELD_VALUE FIELD_NAME=FIELD_VALUE ... $marker or $marker() Expands to marker for the item matching selection only $_FILED_NAME or $_FIELD_NAME() Please be noted that you need to put _ (underscore) in front of a field name. $_FIELD_NAME$ yields the value of the specified field. If the specified field does not exist in the record, it returns the null string (""). ?FIELD_NAME?IF_FIELD_HAS_VALUE? If the specified field has value and it's neither 0 nor the null string (""), it's evaluated as IF_FIELD_HAS_VALUE. Otherwise, it's evaluated as the null string. This is like q/.../ in Perl. A non-word character following ?FIELD_NAME becomes the terminator; i.e. you can write: ?FIELD_NAME:IF_TRUE: Specifically, the following characters can be used as the delimiter: ! # % ' / : ? @ ^ ` | ~ = is excluded because it clashes with a parameter specification in a URL (?name=value). ?!FIELD_NAME?IF_FIELD_HAS_NO_VALUE? Similar to above but it's opposite. If the field has value, it's evaluated as the null string. Otherwise, it's evaluated as IF_FIELD_HAS_NO_VALUE. $question Replaced with ? after the ?FIEL_DNAME and ?!FIELD_ANME constructs are processed.	"| $_ | $__ |"
  selection="..."	The record ID to be regarded as the selected. It affects how $marker in the format is evaluated.	none
  marker="..."	Text for $marker in the format if the item matches selection	"selected"
  filter="..."	The regular expression of record IDs to filter records. Matching is case-insensitive	none
  exclude="..."	Comma separated list of record IDs to be excluded. You can use regular expression. If you specify Trash\d*, then Trash, Trash1, Trash2, ... are exluded but LightTrash and TrashBag are not excluded	none

• Example: %MDREPO{"webs" filter="^A" format="| $_ | $_admin | $_master |"}%
  This would show the metadata of webs whose names start with A.
• Paramerers (web specific form):

  Parameter	Description	Default
  web="..."	Specify the web. If it's a subweb, the corresponding top level web is specified	This is required
  default="..."	Specify the value to be returned when the specified or implied top level web does not exist in MDREPO	"" (null string)
  "..."	Specify the format of the return value in the same manner as the format parameter in the generic form	$__

• Example: %MDREPO{web="Foo/Bar" "$_admin"}%
  This would show the admin field of the Foo web.
• Category: AdministrationVariables, SystemInformationVariables
• Related: MetadataRepository (this topic)

PARENTTOPIC -- parent of current topic

• Syntax: %PARENTTOPIC% or %PARENTTOPIC{ format="..." topic="..." }%
• Expands to: TWikiVariables, renders as TWikiVariables
• Parameters:

  Item	Description	Default
  format="..."	Format string used to display parent topic, where $web expands to the web name, and $topic expands to the topic name. Additional formatting tokens can be used.	"$topic" (topic name)
  topic="..."	Get parent of "Topic" or "Web.Topic"	"%WEB%.%TOPIC%" (current topic)

• Category: SystemInformationVariables
• Related: CHILDREN, META, METASEARCH, PARENTBC, SEARCH, TOPIC (this topic)

SITENAME -- the current site name

• Syntax: %SITENAME%
• Supported parameters: none
• Returns the current site name defined by {ReadOnlyAndMirrorWebs}{SiteName} if defined. Returns the null string if not.
• Category: SystemInformationVariables
• Related: CONTENTMODE, ReadOnlyAndMirrorWebs (this topic)

SITESTATISTICSTOPIC -- name of site statistics topic

• Note: The site statistics topic is assumed to be in the Main web.
• Syntax: %SITESTATISTICSTOPIC%
• Expands to: SiteStatistics
• Example: %USERSWEB%.%SITESTATISTICSTOPIC% renders as SiteStatistics?
• Category: SystemInformationVariables
• Related: HOMETOPIC, NOTIFYTOPIC, STATISTICSTOPIC, TOPIC (this topic)

TOPICTITLE -- title of a topic

• The topic title is defined by, in order of sequence:
  • form field named "Title",
  • topic preference setting named TITLE,
  • topic name.
• Syntax: %TOPICTITLE% or %TOPICTITLE{ topic="TopicName" }%
• Supported parameters:

  Parameter:	Description:	Default:
  "..." or topic="..."	Topic to get the title from. Can be of form TopicName or Web.TopicName.	Current topic
  encode="html"	Encode special characters into HTML entities. If a TOPICTITLE is passed into an HTML form field it should be encoded as "html". Additional encodings: encode="quote", encode="moderate", encode="safe", encode="entity" and encode="url". See ENCODE for details.	"" (no encoding)

• Example: %TOPICTITLE{Projects.SushiProject}% returns Sushi Project assuming the topic has a form field named "Title" with value "Sushi Project"
• Expands to: TWikiVariablesCategoryBody
• Hint: Write [[+SomeTopicName]] to get the topic title link of a topic, see TWikiEditingShorthand#TopicTitleLinks
• Category: SystemInformationVariables
• Related: BASETOPIC, INCLUDINGTOPIC, PARENTTOPIC, TOPIC, TOPICLIST, TOPICURL, WEB (this topic)

WIKILOGOALT -- site logo tooltip message

• Syntax: %WIKILOGOALT%
• Expands to: Powered by TWiki
• Defined in: TWikiPreferences
• Category: AdministrationVariables, SystemInformationVariables
• Related: WIKILOGOIMG, WIKILOGOURL, WIKITOOLNAME (this topic)

WIKILOGOIMG -- site logo image URL

• Syntax: %WIKILOGOIMG%
• Expands to: https://skladowanie.pgi.gov.pl/twiki/pub/TWiki/TWikiLogos/T-logo-140x40-t.gif
• Renders as:
• Defined in: TWikiPreferences
• Category: AdministrationVariables, SystemInformationVariables
• Related: WIKILOGOALT, WIKILOGOURL, WIKITOOLNAME (this topic)

WIKILOGOURL -- site logo home URL

• Syntax: %WIKILOGOURL%
• Expands to: http://TWiki.org/
• Defined in: TWikiPreferences, default %SCRIPTURLPATH{"view"}%/%USERSWEB%/%HOMETOPIC%
• Category: AdministrationVariables, SystemInformationVariables
• Related: WIKILOGOALT, WIKILOGOIMG, WIKITOOLNAME (this topic)

WIKIWEBMASTER -- email address of the administrator

• %WIKIWEBMASTER% expands to the email address of the administrator of this TWiki installation.
• Syntax: %WIKIWEBMASTER%, expands to: Marcin.Slodkowski@pgi.gov.pl
• Category: SystemInformationVariables
• Related: WIKIWEBMASTERNAME (this topic)

WIKIWEBMASTERNAME -- name of the administrator

• %WIKIWEBMASTERNAME% expands to the name of the administrator of this TWiki installation.
• Syntax: %WIKIWEBMASTERNAME%, expands to: TWiki Administrator
• Category: SystemInformationVariables
• Related: WIKIWEBMASTEMER (this topic)

Total: 12 variables

Related Topics: TWikiVariables, TWikiVariablesSearch, TWikiVariablesQuickStart