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{{Third-party plugin}}
{{#vardefine:chapter|Addons (Rules)}}
=Rule Ammendments=
{{man tip| 1=Changes to Rules are inconspicuous|2=New built-in Rules appear without any fanfare. Plus there a are so many of them, grouped in so many subcategories that they may remain concealed.<br />Addons require downloading and installation, so the addon Rules have more visibility than the builtins. Plus they can be searched as a category in the Plugin Manager.}}
[[File:Preferences UpdateAddons-Rule-51.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Preferences: Check for Updated Addons showing Rules]]
Rules are the basic building blocks of custom [[Filter|Filters]]. A wide variety of [[Gramps_{{man version}}_Wiki_Manual_-_Filters#Which_filter_rules_in_which_Category.3F|rules have been built-in for creating custom filters in each category]].
With the Release release of [[Template:Releases/5.1.0|Gramps version 5.1]], the first addon Rules were released as [https://github.com/gramps-project/addons-source/tree/master/FilterRules posted as examples of coding a Filter Rule addon]. [[{{Version manual}}_Addons#Installing_Addons_in_Gramps|Installing similarly to any other addon]], a New Rule appears as a menu item within [[Gramps_{{Version manual}}_Wiki_Manual_-_Filters#Add_Rule_dialog|Add Rule dialog]] while [[Gramps_{{Version manual}}_Wiki_Manual_-_Filters#Define_Filter_dialog|Defining a custom Filter]].
Filters created with these Rules can tested, cloned or deleted using the [[Gramps_5.1_Wiki_Manual_-_Filters#CategoryName_Filters_dialog|Filter Editor]]. The dialog is invoked from the {{Man menu|Edit}} menu in each Category view.
* Find Families/People having Events with a specific Role
:([https://github.com/gramps-project/addons-source/blob/master/FilterRules/hasrolerule.py source] and [https://github.com/gramps-project/addons-source/blob/master/FilterRules/hasrolerule.gpr.py info])
:This example shows how to create a rule which applies to 2 Categories (Families & People) where with an Event having a spefic role[[Gramps_Glossary#event_role|Event Role]]
* hassourcefilter.py Fix FilterRules to recognize local po files 29 days ago
=locating Filter Rule Add-Ons=
[[File:EnhancedPlugInManager-addon-SearchRule 51win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Search for '''''Rule''''' in the Enhanced Plugin Manager]]The [[Plugin_Manager_Plugin|Enhanced Plugin Manager]]]]The Plugin Manager can be used for more than installing & and updating plug-in modules. It can help you discover the growing capabilities that might not be obvious.
Open the {{Man menu|Plugin Manager }} from the {{Man menu|Help }} menu and use its Search box to filter the view to only those addons which have a row or filename which include the 'Rule' term.
[[File:EnhancedPlugInManager-addon-Info 51win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Info on 'People related to ''<filter>''' addon Rule]]
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==Add-on Rules==
Rules are added in sets/groups via the Plugin Manager. All the Rules in a set are added/removed when any Rule in that set is added/removed.
Each set supports Multilingual internationalization services through [https://www.gnu.org/software/gettext/manual/html_node/PO-Files.html .po and .pot] files using gettext.
In the few months that add-on Rules have been a feature, two sets of rules have been collected:
===Individual Rules===
====Active Person====
[[File:Rule_Active_Person_Filter_Win.png|thumb|right|191px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching for '''''person''''' rules]]'''General filters''' [[{{Version manual}}_Addons|add-on]] rule to find the [[Gramps_Glossary#active_person|Active Person]]. Available for {{icon|peop}}'''Person''', {{icon|rela}}'''Relationships''', {{icon|ance}}'''Charts''', {{icon|geog}}'''Geography'''
This is a useful "basic" rule for use in compound filters.
Also see:
* the [[Gramps_{{Version manual}}_Wiki_Manual_-_Filters#Home_person|Home Person filter rule]].
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===[https://github.com/gramps-project/addons-source/tree/master/FilterRules FilterRules] : Plugin Manager Rulebook Collection===
General Filter Rule Addons
====People related to <filter>====
<!-- isrelatedwithfiltermatch.py -->
[[File:Rule_Person_Filter_Win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching by Rule name]]{{icon|peop}}'''Person • General filters''' [[{{Version manual}}_Addons|add-on]] rule to find [[Gramps_Glossary#person|Person(s)]] matching a specified filter.
Matches people who are related to anybody matched by a person filter.{{-}}[[File:Pythongadget.png|left|150px|link=https://github.com/gramps-project/addons-source/tree/master/FilterRules]]<code>'''isrelatedwithfiltermatch'''</code> provided as [https://github.com/gramps-project/addons-source/tree/master/FilterRules <code>sample '''.gpr.py''' & '''.py''' code</code> for writing add-on filter rules]. Demonstrates piping the output of one custom Filter into another.{{-}}
====People with events with a selected role====
<!-- hasrolerule.py -->
[[File:Rule_PersonEvent_Role_Win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching for Person Rules which include the 'role' term.]]
{{icon|peop}}'''Person • Event filters''' [[{{Version manual}}_Addons|add-on]] rule to find [[Gramps_Glossary#person|Person(s)]] having any [[Gramps_Glossary#event|Event]] with a specified [[Gramps_Glossary#event_role|Event Role]].
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===Matches families =Families with an event Events with a selected role====<!-- familieswitheventfiltermatch.py -->
[[File:Rule_FamiliesEvent_Role_Win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching by Rule name]]
====Source matching parameters====
<!-- hassourcefilter.py -->[[File:Rule_Sources_Parameters_Win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching by Rule name]]
{{icon|sour34}}'''Sources • General filters''' [[{{Version manual}}_Addons|add-on]] rule to find [[Gramps_Glossary#source|Sources]] based on the following parameters: ''Title'', ''Author'', ''Abbreviation'', ''Publication''.
This add-on rule has similar options to the standard Filter Gramplet for the [[Gramps_{{Version manual}}_Wiki_Manual_-_Entering_and_editing_data:_detailed_-_part_2#New_Source_dialog|Source]] [[Gramps_{{Version manual}}_Wiki_Manual_-_Categories#Sources_Category|Category View]]. It can be used to save complex filter parameters.{{-}}[[File:Pythongadget.png|left|150px|link=https://github.com/gramps-project/addons-source/tree/master/FilterRules]]<code>'''hassourcefilter'''</code> provided as sample [[Addons_development#Create_a_Gramps_Plugin_Registration_file|.gpr.py]] & '''.py''' code for [https://github.com/gramps-project/addons-source/tree/master/FilterRules writing add-on filter rules]. Demonstrates text based filtering with RegEx options.{{-}}
====People Separated less than <N> degrees of <Home person>====
<!-- degreesofseparation.py (1)-->
[[File:Rule_DegreesOfSep_HomePerson_Win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching for Person Rules which include the 'degrees' term.]]
{{icon|peop}}'''Person • Relationship filters''' [[{{Version manual}}_Addons|add-on]] rule to find [[Gramps_Glossary#person|Person(s)]] having a relationship to the ''[[Gramps_Glossary#home_person|Home Person]]'' within a specified degree of [[Genealogy_Glossary#consanguinity|Consanguinity]] and [[Genealogy_Glossary#affinity|Affinity]].
The [[Gramps_Glossary#home_person|Home person]] is point of reference for calculating ('''<N>''') Degrees. For '''N''', Minimum value is 1, Maximum is value 32.
* '''Degree 1''': person/spouse + children ( <zero N> ancestors, because the selected person is generation 1 + 1N descendants)
* '''Degree 2''': person plus person’s parents, siblings, niece/nephew, children, grandchildren, etc. (= 1N ancestors + 2N descendants)
* '''Degree 3''': persons grandparents and 3 generations down. (= 2N ancestors + 3N descendants).
The ancestors and descendants generations have an offset of 1 to mimic the built-in filter rule behavior.
[https://gist.github.com/Mattkmmr/4d0369cbee38bdf14395cb2f4505fb8a GitHub Repository files]
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====People Separated less than <N> degrees of <person>====<!-- degreesofseparation.py (2)-->[[File:Rule_DegreesOfSep_PersonID_Win.png|thumb|right|450px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching Person rules by 'degrees' term; roll-over hint for ID.]]{{icon|peop}}'''Person • Relationship filters''' [[{{Version manual}}_Addons|add-on]] rule to find [[Gramps_Glossary#person|Person(s)]] having a relationship to a specified Person within a specified degree of [[Genealogy_Glossary#consanguinity|Consanguinity]] and [[Genealogy_Glossary#affinity|Affinity]]. [https://github.com/gramps-project/addons-source/pull/283 GitHub Repository files]{{stub}}====Events of families matching a <family filter>====Events of families matching a <family filter> ====Families matching <event filter>====<!-- isfamilyfiltermatchevent.py -->Matches people families that are matched by an event filter ====People who are part of families matching <filter>====<!-- infamilyrule.py --> People who are related to anybody matched part of families matching <filter> ====Filter people by a their age at death==== ====Match associations of <person filter>==== ====People with multiple parent records===={{icon|peop}}'''Person • Family filters''' [[{{Version manual}}_Addons|add-on]] rule thatmatches people who have more than one set of parents.
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===[https://github.com/gramps-project/addons-source/tree/master/FilterRules2 FilterRules2] : Plugin Manager Rulebook Collection===Genetic Genealogy Filter Rule Addons{{stub}}====Matrilineal progenitrix of <person>====<!-- matrilinealprogenitrix.py -->Matches the earliest recorded matrilineal ancestor mother. ====Mitochondrial inheritance of <filter>====<!-- mtinheritanceoffiltermatch.py -->Matches people with an event with recorded descendants of a selected rolefilter result following mitochondrial inheritance patterns. ====Mitochondrial inheritance of <person>====<!-- mtinheritance.py -->Matches recorded descendants of person following mitochondrial inheritance patterns.[[File:Rule_PersonEvent_Role_Win====Patrilineal progenitor of <person>====<!-- patrilinealprogenitor.py -->Matches the earliest recorded patrilineal ancestor father. ====X-chromosomal ancestors of <person>====<!-- xchromancestors.py -->Matches ancestors of <person> following a X-chromosomal inheritance pattern. ====X-chromosomal descendants of <person>====<!-- xchromdescendants.py -->Matches descendants of <person> following a X-chromosomal inheritance pattern. ====Y-chromosomal inheritance of <person filter>====<!-- yinheritanceoffiltermatch.py -->Matches recorded descendants of a filter result following Y-chromosomal inheritance patterns.png|thumb|right|450px|Fig====Y-chromosomal inheritance of <person>====<!-- yinheritance. {{#var:chapter}}py -->Matches recorded descendants of person following Y-chromosomal inheritance patterns.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Searching by Rule name]]
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=The Evolution of of Rules as Add-Ons=
* [https://github.com/gramps-project/addons-source/tree/master/FilterRules Sample addon Filter code]
== See also ==
* [[Gramps_{{man version}}_Wiki_Manual_-_Filters#Which_filter_rules_in_which_Category.3F|Built-in rules by category]]
* [[Brief_introduction_to_Git|Git introduction]]
* [https://github.com/gramps-project/gramps/tree/master/gramps/gen/filters/rules Built-in Rules Source code] (Git)* [https://github.com/gramps-project/addons-source Add- on Rules Source code ] (Git)
* [https://developer.gnome.org/gtk3/stable/ch03.html Gtk+ widget gallery] - Gnome development sample code
* [https://github.com/gramps-project/addons - downloadable .tgz files] (Git)
* [[Addons_development|Addons Development]]
* [[Writing_a_plugin|Writing a Plugin]]
* [Gramps-devel]: [https://sourceforge.net/p/gramps/mailman/message/28524592 Sequencing of filter rules?]
* [Gramps-devel]: [https://sourceforge.net/p/gramps/mailman/message/7969670/ filter rules]
* [Gramps-users]: [https://sourceforge.net/p/gramps/mailman/messagegramps-users/25097338thread/ 4BD58852.3040705%40o2.co.uk/#msg25097338 Gramplet writing - newbie help needed]
*based on the [https://sourceforge.net/p/gramps/mailman/gramps-users/ Gramps-users] archived threads:
[[Category:Addons]]
[[Category:Plugins]]
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