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Tags, Categories, and More for MODX!

A robust and performant tag management system. Summary of the many, many features:

  1. Tested with up to a million tags
  2. Paginated drop-down and type-ahead for easy tag input
  3. Combo-box or tag-field input types
  4. Optionally remove unused tags from the database automatically
  5. Optionally restrict tag creation to the CMP, versus on input
  6. Optionally use Auto-Tag cloud for input

Display and list: all tags, tags from specified group(s), omit unused tags, Resources with a given tag, etc. Supplies getResources with a &where condition, so that all the templating and sorting abilities of getResources are at your fingertips.

Installation

Install via Package Management, or download the package from the MODX Extras repository

Tagger FURLs are currently not working when using any resource extensions (.html,...) except /. Please change your extension to / at least on the resource where the TaggerGetResourcesWhere snippet is called.

  • Content -> Content Types -> HTML (.html) -> /

Groups

After installation you will need to set up some groups. Groups are representing fields that will be added to your Resource panel. Open components menu, find Tagger and go to Groups tab. Add new group.

**WARNING** Please make sure that group alias will not match any Resource alias, otherwise resource with same alias will be unreachable.

GROUP OPTIONS:

Option Required? Description
Name required Label of the field that will be added to Resource panel
Description optional Description is showed on field hover
Alias optional If not filled, will be generated automatically. Is used in FURLs.
Field type required Tag field - multi select field, Combo box - classic one item select field
Place required Where will be this group rendered. Options are: In tab, Above content, Below content, Bottom page, In TVs section
Position of Tagger tab in TVs section optional If not filled 9999 will be used. Position of Tagger group in TVs tab panel. Use 0 to make Tagger group first.
Remove unused tags optional If set to yes, all tags, that are not assigned to at least one resource will be removed from database.
Allow new tags from field optional If set to yes, users will be able to add new tags from field. Setting to no can be useful for example for list of categories
Allow blank optional If set to no, field will be marked as required and users will have to select at least on tag before saving the Resource
Allow type optional If set to no, users will not be able to type in the field. Clicking to the field will trigger showing list of available tags.
Show autotag optional If set to yes, all tags will be displayed below the field. Users will be able to click on them to select/unselect. Available only for Tag field.
Hide input optional Can be used only with Show autotag enabled. Will hide the input field and assign button, so users will be able to only click on existing tags.
Tag limit optional Will limit number of tags that users can select. Setting to 0 will allow to select infinite number of tags.
Show for Templates required Comma separated list of template IDs for which this group should be available for editing.

Changing labels of Tagger places

System Settings under Tagger namespace are available for these settings: tagger.place_in_tab_label, tagger.place_tvs_tab_label, tagger.place_above_content_label, tagger.place_below_content_label, tagger.place_bottom_page_label

You can change their value to text or a lexicon key. If you want to have different name based on Resource Template, you can use following notation:

1==Label For Template with ID 1||2==Label For Template with ID 2

Default label: tagger.tab.label

Basic Usage

TaggerGetTags

This Snippet allows you to list tags for resource(s), group(s) and all tags

PROPERTIES:

Property Type Required? Description Default
&resources string optional Comma separated list of resources for which Tags will be listed
&groups string optional Comma separated list of Tagger Groups for which Tags will be listed
&parents int optional Comma separated list of resource IDs whose children should be scanned to build the list of tags
&rowTpl string optional Name of a chunk that will be used for each Tag. If no chunk is given, array with available placeholders will be rendered
&tpl_N string optional Name of chunk that will be used for every Nth tag
&outTpl string optional Name of a chunk that will be used for wrapping all tags. If no chunk is given, tags will be rendered without a wrapper. Placeholder: [[+tags]]
&separator string optional String separator, that will be used for separating Tags
&limit int optional Limit number of returned Tags 0
&offset int optional Offset the output by this number of Tags 0
&totalPh string optional Placeholder to output the total number of Tags regardless of &limit and &offset tags_total
&target int optional An ID of a resource that will be used for generating URI for a Tag. If no ID is given, current Resource ID will be used current resource
&showUnused int optional If set to 1, Tags that are not assigned to any Resource will be included to the output as well 0
&toPlaceholder string optional If set, output will return in a placeholder with given name
&showDeleted int optional If set to 1, Tags that are assigned only to deleted Resources will be included in the output as well 0
&showUnpublished int optional If set to 1, Tags that are assigned only to unpublished Resources will be included in the output as well 0
&contexts string optional If set, will display only tags for resources in given contexts. Contexts can be separated by a comma
&wrapIfEmpty int optional If set to 1, outTpl will be used even if there will be no tags to display. 1
&translate int optional If set, group_name_translated and group_description_translated will be added as a placeholders to rowChunk 0
&sort string optional Sort options in JSON. Example {"tag": "ASC"} or multiple sort options {"group_id": "ASC", "tag": "ASC"}

OUTPUT PLACEHOLDERS AND EXAMPLE VALUES:

[[+id]] => 1
[[+tag]] => News
[[+alias]] => news
[[+group]] => 3
[[+group_id]] => 3
[[+group_name]] => Media Type
[[+group_field_type]] => tagger-combo-tag
[[+group_allow_new]] => 0
[[+group_remove_unused]] => 0
[[+group_allow_blank]] => 1
[[+group_allow_type]] => 0
[[+group_show_autotag]] => 0
[[+group_show_for_templates]] => 21
[[+cnt]] => 1
[[+uri]]
[[+idx]] = Number starting from one for each tag
[[+active]] => 1 (1/0 based on if current tag is active or not)

EXAMPLE USAGE:

// Get tags for all resources, including unused tags
[[TaggerGetTags? &showUnused=`1`]]
// Get tags from groups 1 and 3 for all resources
[[TaggerGetTags? &groups=`1,3` &rowTpl=`tag_links_tpl`]]
// Get tags for current resource
[[!TaggerGetTags? &resources=`[[*id]]` &rowTpl=`tag_links_tpl`]]
// Get tags for current resource in getResources tpl
[[!TaggerGetTags? &resources=`[[+id]]` &rowTpl=`tag_links_tpl`]]

How to translate groups

Let's say we have a group with name Tags and alias tags. To translate name and/or description of this group, we will have to create new lexicons entries in a specific format.

  • Open lexicon management
  • Select Tagger namespace and custom topic
  • Add new lexicon entry to this namespace and topic with a key: tagger.custom."group_alias" (in this example it will be tagger.custom.tags)
  • If you want to translate description add one more lexicon entry with key: tagger.custom."group_alias"_desc (in this example it will be tagger.custom.tags_desc)
  • If you want to use those translations also on the frontend, call TaggerGetTags with option &translate=1 ([[TaggetGetTags? &translate=1]]), new placeholders (group_name_translated, group_description_translated) will be available

TaggerGetResourcesWhere

This snippet generate a SQL Query that can be used in a WHERE condition in the getResources snippet

PROPERTIES:

Property Type Required? Description Default
&tags string optional Comma separated list of Tag aliases (NOT names or IDs) for which a Resource query will be generated. By default Tags from GET param will be loaded
&groups string optional Comma separated list of Tagger Groups. Only from those groups will Tags be allowed
&where string optional Original getResources WHERE property. If you used WHERE property in your current getResources call, move it here.
&likeComparison int optional If set to 1, tags will compare using LIKE which will match partial strings instead of only exact matches. 0
&tagField string optional Field that will be used to compare with given tags. If you want to match against the 'full text' of the tag name you've entered, this will need to be set to 'tag'. alias
&matchAll int optional If set to 1, resource must have all specified tags (an 'AND' match). If set to 0 or left out, it can match any one of the tags (an 'OR' match). 0
&field string optional modResource field that will be used to compare with assigned resource ID id

EXAMPLE USAGE:

[[!getResources?
    &where=`[[!TaggerGetResourcesWhere?
    &tags=`Books,Vehicles`
    &where=`{"isfolder": 0}`]]`
]]

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