relevance (though as always this can be changed in the UI) and makes
the search box a bit wider than the default.
-The full set of supported configuration items is described in the
+The full set of supported configuration settings is described in the
reference guide below.
Per-widget configuration
In addition to the global configuration provided by the `mkws_config`
object, individual widgets' behaviour can be configured by providing
-configuration items as attributed on their HTML elements. For example,
+configuration settings as attributes on their HTML elements. For example,
a `records` widget might be restricted to displaying no more than
three records by setting the `numrecs` parameter as follows:
For first form is more convenient; the second is more correct.
-Because some configuration items take structured values rather than
+Because some configuration settings take structured values rather than
simple strings, they cannot be directly provided by inline
attributes. To allow for this, the special attribute
`data-mkws-config`, if provided, is parsed as JSON and its key-value
-pairs set as configuration items for the widget in question. For
+pairs used as configuration settings for the widget in question. For
example, the value of `lang_options` is an array of strings specifying
which of the supported UI languages should be made available. The
following invocation will limit this list to only English and Danish
When credential-based authentication is in use (username and
password), it's necessary to pass these credentials into the Service
Proxy when establishing the session. This is done
-by setting the `sp_auth_credentials` configuration item to a string
+by providing the `sp_auth_credentials` configuration setting as a string
containing the username and password separated by a slash:
mkws_config = { sp_auth_credentials: "mike/swordfish" };
Step 1: add a rewriting authentication alias to the configuration:
RewriteEngine on
- RewriteRule /spauth/ http://sp-mkws.indexdata.com/service-proxy/?command=auth&action=check,login&username=U&password=PW [P]
+ RewriteRule /spauth/ http://sp-mkws.indexdata.com/service-proxy/\
+ ?command=auth&action=check,login&username=U&password=PW [P]
-Step 2: set the MKWS configuration item `service_proxy_auth` to
+Step 2: set the MKWS configuration setting `service_proxy_auth` to
`http://yourname.com/spauth/`.
Step 3: protect access to the local path `http://yourname.com/spauth/`
widget be subclassed to store the generated widget
definitions in more useful places.
+`button` The search button. Usually generated a `search`
+ widget.
+
`categories` Obtains from the Service Proxy a list of the target
categories associated with the library in use, and
displays them in a drop-down list. When a category
`config` This widget has no functionality of its own, but its
configuration is copied up into its team, allowing
it to affect other widgets in the team. This is the
- only way to set configuration items at the team
+ only way to set configuration settings at the team
level.
`console-builder` Like the `builder` widget, but emits the generated
`facet` A facet that displays the frequency with which a set
of terms occur within a specific field. The specific
field whose contents are analysed must be specified
- by the widget's `facet` configuration item, which
+ by the widget's `facet` configuration setting, which
may conveniently be done by means of the
`data-mkws-facet` attribute on the HTML
element. The supported facets are "subject",
`facets` An area that contains a "Facets" heading and several
`facet` widgets. The set of facet widgets generated
- is specified by the `facets` configuration item,
+ is specified by the `facets` configuration setting,
which may be set globally or at the level of the
widget or the team. The value of this configuration
- item is an array of zero or more strings, each
+ setting is an array of zero or more strings, each
naming a facet.
`google-image` A specialisation of the `images` widget which
`lang` Provides a selection between the supported set of
languages (which defaults to English, German and
Danish, but can be configured by the `lang`
- configuration item, whose value is an array of
+ configuration setting, whose value is an array of
two-letter language codes).
`log` Initially empty, this widget accumulates a log of
search is run. It can be used to provide a "message
of the day".
-`navi` x
-
-`pager` x
-
-`per-page` x
+`navi` Shows a list of the facets that have been selected,
+ and allows them to be deselected.
-`progress` x
+`pager` Shows a list of the available pages of results, and
+ allows the user to navigate to a selected page.
-`query` x
+`per-page` Provides a dropdown allowing the user to choose how
+ many records should appear on each page. The
+ available set of page-sizes can be specified as the
+ `perpage_options` configuration setting, whose value is
+ an array of integers. The initial selected value can
+ be specified by the `perpage_default` configuration setting.
-`ranking` x
+`progress` Shows a progress bar which indicates how many of the
+ targets have responded to the search.
-`record` x
-
-`records` x
-
-`reference` x
+`query` The input area for a query. Usually generated a `search`
+ widget.
-`results` x
+`ranking` The result-ranking area, consisting of a `sort`
+ widget and a `per-page` widget. These may instead
+ be specified separately if preferred.
+
+`record` A detailed display of a single record, usually
+ appearing when the user clicks on a summary
+ record. This is generated by the `records` widget.
+
+`records` The area in which summary records appear. (Clicking
+ on a summary record make it pop up as a detailed
+ record.)
+
+`reference` A short summary about a subject specified by the
+ `autosearch` configuration setting. This is created by
+ drawing a picture and a paragraph of text from
+ Wikipedia. To work correctly, this widget must be
+ used in a library that provides the
+ `wikimedia_wikipedia_single_result` target.
+
+`results` A large compound widget used to provide the most
+ important results-oriented widgets in a pre-packaged
+ framework: `facets`, `ranking`, `pager`, `navi` and
+ `records`.
+
+`search-form` The search form, containing the query area and the
+ button. Usually generated a `search` widget.
+
+`search` The search box, consisting of a form containing a
+ query area and a button.
+
+`sort` Provides a dropdown allowing the user to choose how
+ the displayed records should be sorted. The
+ available set of sort criteria can be specified as the
+ `sort_options` configuration setting, whose value is
+ an array of two-element arrays. The first item of
+ each sub-array is a pazpar2 sort-expression such as
+ `data:0` and the second is a human-readable label
+ such as `newest`. The initial selected
+ value can be specified by the `sort_default` configuration
+ setting.
+
+`stat` A summary line stating how many targets remain
+ active, how many records have been found, and how
+ many of them have been retrieved for display. For
+ most purposes, the `progress` widget may be
+ preferable.
+
+`summary` A short record, included in the list shown when a
+ search is run. When clicked, this generally pops up
+ a detailed `record` widget. This widget is generated
+ by the toolkit in response to search results.
+
+`switch` A pair of buttons allowing the user to switch
+ between viewing the search results (the usual case)
+ or the target list.
+
+`targets` A list of all targets in the present library,
+ showing their ID, the number of records they have
+ found for the current search, any diagnostics they
+ have returned, the number of records that have been
+ returned for display, and the connection state.
+----
-`search-form` x
-`search` x
+Configuration settings
+----------------------
-`sort` x
+Configuration settings may be provided at the level of a indiviual widget, or a team, or globally. Per-widget configuration is
+described above; per-team settings can be placed in a `config` widget belonging to the relevant team, and will be applied to that
+team as a whole; and global settings are provided in the global variable `mkws_config`. This structure is a key-value lookup
+table, and may specify the values of many settings.
-`stat` x
+Some settings apply only to specific widgets; others to the behaviour of the tookit as a whole. When a widget does not itself have
+a value specified for a particular configuration setting, its team is consulted; and if that also does not have a value, the global
+settings are consulted. Only if this, too, is unspecified, is the default value used.
-`switch` x
+The supported configuration settings are described in the table below. For those settings that apply only to particular widgets,
+the relevant widgets are listed. All entries are optional, but if specified must be given values of the specified type. Long
+default values are in footnotes to keep the table reasonably narrow.
-`targets` x
----
-
-
-Configuration object
---------------------
-
-The configuration object `mkws_config` may be created before including
-the MKWS JavaScript code to modify default behaviour. This structure
-is a key-value lookup table, whose entries are described in the table
-below. All entries are optional, but if specified must be given values
-of the specified type. If ommitted, each setting takes the indicated
-default value; long default values are in footnotes to keep the table
-reasonably narrow.
-
+Element Widget Type Default Description
+-------- ------ ----- --------- ------------
+auth_hostname _global_ string If provided, overrides the `pp2_hostname` setting when constructing the
+ Service Proxy authentication URL. This need only be used when authentication
+ is performed on a different host from the remaining operations (search,
+ retrieve, etc.)
+
+autosearch facet, string If provided, this setting contains a query which is immediately run on behalf
+ facets, of the team. Often used with an [indirect setting](#indirect-settings).
+ record,
+ records,
+ results
+
+facet facet string For a `facet` widget, this setting is mandatory, and indicates which field to
+ list terms for. Three fields are supported: `subject`, `author` and
+ `xtargets` -- the latter a special case which treats the target providing a
+ record as a facet. Any other field may also be used, but the default caption
+ and maximum term-count may not be appropriate, needing to be overridden by
+ `facet_caption_*` and `facet_max_*` settings.
+
+facet_caption_* facet string Specifies what on-screen caption is to be used for the named facet: for
+ example, if a `date` facet is generated, then `facet_caption_date` can be
+ used to set the caption to "Year".
+
+facet_max_* facet int Specifies how many terms are to be displayed for the named facet: for
+ example, if a `publisher` facet is generated, then `facet_max_publisher` can
+ be used to limit the list to the top six.
+
+facets _team_ array *Note 1* Ordered list of names of facets to display.
+
+lang _team_ string Two-letter ISO code of the default language to display the UI in. Supported
+ language codes are `en` = English, `de` = German, `da` = Danish, and whatever
+ additional languages are configured using `language_*` entries (see below).
+
+lang_options lang array [] A list of the languages to offer as options. If empty (the default), then all
+ configured languages are listed.
+
+language_* _global_ hash Support for any number of languages can be added by providing entries whose
+ name is `language_` followed by the code of the language. See the separate
+ section below for details.
+
+limit facet, string Allows a partial search to be included in the specification of an
+ facets, auto-executing widget. This is ANDed with the submitted query, as though it
+ record, had been selected from a facet. See the Search section in [the Protocol
+ records, chapter of the Pazpar2 manual
+ results ](http://www.indexdata.com/pazpar2/doc/pazpar2_protocol.html)
+
+log_level _global_ int 1 Level of debugging output to emit. 0 = none, 1 = messages, 2 = messages with
+ datestamps, 3 = messages with datestamps and stack-traces.
+
+maxrecs facet, int Limits the metasearching middleware to retrieving no more than the specified
+ facets, number of records from each target.
+ record,
+ records,
+ results
+
+paragraphs reference int Limits the number of paragraphs rendered to the specified number. If
+ omitted, there is no limit.
+
+pazpar2_url _global_ string If specified, this is the URL used to access the metasearch middleware. This
+ service must be configured to provide search results, facets, etc. It may be
+ either unmediated Pazpar2 or the MasterKey Service Proxy, which mediates
+ access to an underlying Pazpar2 instance. When not specified, the URL is
+ assembled from `pp2_hostname` and `pp2_path`. See the [Assembling Pazpar2
+ URLs](#assembling-pazpar2-urls) section below.
+
+perpage facet, int Specifies the number of records to show per page in an auto-executing
+ facets, widget. Contrast with `perpage_default`, which is used to prime the dropdown
+ record, with which a user chooses the page-size in an interactive session.
+ records,
+ results
+
+perpage_default _team_ string 20 The initial value for the number of records to show on each page.
+
+perpage_options ranking array *Note 2* A list of candidate page sizes. Users can choose between these to determine
+ how many records are displayed on each page of results.
+
+pp2_hostname _global_ string *Note 3* Unless overridden by the `pazpar2_url` setting, this is used together with
+ `pp2_path` to construct the URL to the Pazpar2 service (or Service
+ Proxy). Set this to connect to a service on a different host from the
+ default.
+
+pp2_path _global_ string *Note 4* Unless overridden by the `pazpar2_url` setting, this is used together with
+ `pp2_hostname` to construct the URL to the Pazpar2 service (or Service
+ Proxy). Set this to connect to a service on a different host from the
+ default.
+
+query_width _search_ int 50 The width of the query box, in characters.
+
+responsive_design_width _global_ int If defined, then the facets display moves between two locations as the
+ screen-width varies. The specified number is the threshhold width, in
+ pixels, at which the facets move between their two locations. The `switch`
+ and `lang` widgets also disappear entirely below this threshhold.
+
+scan_all_nodes _global_ bool false An internal setting that changes how MKWS scans the HTML documen to discover
+ widgets. If set to true, a different approach is used which may be faster
+ under some circumstances.
+
+sentences reference int Limits the number of sentences rendered to the specified number. If
+ omitted, there is no limit.
+
+service_proxy_auth _global_ url If defined, this is the URL which, when `use_service_proxy` is true, is
+ fetched once at the beginning of each session to authenticate the user and
+ establish a session that encompasses a defined set of targets to search
+ in. When not defined, the URL is assembled from `auth_hostname` or
+ `pp2_hostname`, `sp_auth_path`, `sp_auth_query` and
+ `sp_auth_credentials`. See the [Assembling Pazpar2
+ URLs](#assembling-pazpar2-urls) section below.
+
+service_proxy_auth_domain _global_ domain When the server used for authentication -- e.g. the one identified by the
+ `service_proxy_auth` URL -- proxies for different server, this can be set to
+ the domain of the server that it proxies for, so that cookies are rewritten
+ to appear to be from this domain.
+
+show_lang lang bool true Indicates whether or not to display the language menu.
+
+show_perpage ranking bool true Indicates whether or not to display the perpage menu.
+
+show_sort ranking bool true Indicates whether or not to display the sort menu.
+
+show_switch switch bool true Indicates whether or not to display the switch menu.
+
+sort facet, string Specifies the order in which to sort the records retrieved by an
+ facets, auto-executing widget. Must be one of those in the `sort_options`
+ record, array. Contrast with `sort_default`, which is used to prime the dropdown
+ records, with which a user chooses the sortorder in an interactive session.
+ results
+
+sort_default _team_ string relevance The default sort criterion to use. Must be one of those in the
+ `sort_options` array.
+
+sort_options ranking array *Note 5* List of supported sort criteria. Each element of the list is itself a
+ two-element list: the first element of each sublist is a pazpar2
+ sort-expression such as `data:0` and the second is a human-readable label
+ such as `newest`.
+
+sp_auth_credentials _global_ string If defined, this must be a slash-separated combination of username and
+ password, which is sent as the authentication credentials on session
+ initialisation. See the [Assembling Pazpar2 URLs](#assembling-pazpar2-urls)
+ section below.
+
+sp_auth_path _global_ string *Note 6* Part of the URL used for authentication. See the [Assembling Pazpar2
+ URLs](#assembling-pazpar2-urls) section below.
+
+sp_auth_query _global_ string *Note 7* Part of the URL used for authentication. See the [Assembling Pazpar2
+ URLs](#assembling-pazpar2-urls) section below.
+
+target facet, string One of three ways to select which targets an auto-searching widgets uses. See
+ facets, the [Choosing targets from the library](#choosing-targets-from-the-library)
+ record, section above.
+ records,
+ results
+
+targetfilter facet, string One of three ways to select which targets an auto-searching widgets uses. See
+ facets, the [Choosing targets from the library](#choosing-targets-from-the-library)
+ record, section above.
+ records,
+ results
+
+targets facet, string One of three ways to select which targets an auto-searching widgets uses. See
+ facets, the [Choosing targets from the library](#choosing-targets-from-the-library)
+ record, section above.
+ records,
+ results
+
+template details, string Numerous widgets use Handlebars templates to render HTML. In general, each
+ done, of these by default uses a template with the same name as the widget
+ facet, itself. Individual widgets can be customised to use a template of a
+ facets, different name by means of their `template` setting. The `records` widget
+ images, (and `record`, an equivalent that shows only a single record) use the
+ lang, `summary` template as well as the `records` template.
+ navi,
+ pager,
+ progress,
+ ranking,
+ records,
+ reference,
+ results,
+ search,
+ stat,
+ switch,
+ targets
+
+<!--- The widget called "record" is a special-case of "records"; both also use "summary" -->
+
+text builder string "Build!" Specifies what text to use for the Builder button.
+
+use_service_proxy _global_ bool true If true, then a Service Proxy is used to deliver searching services rather
+ than raw Pazpar2. An authentication phase is run during initialisation.
----
-Element Type Default Description
--------- ----- --------- ------------
-log_level int 1 Level of debugging output to emit. 0 = none, 1 = messages, 2 = messages with
- datestamps, 3 = messages with datestamps and stack-traces.
-
-facets array *Note 1* Ordered list of names of facets to display. Supported facet names are
- `xtargets`, `subject` and `author`.
-lang string en Code of the default language to display the UI in. Supported language codes are `en` =
- English, `de` = German, `da` = Danish, and whatever additional languages are configured
- using `language_*` entries (see below).
+The `show_lang`, `show_perpage`, `show_sort` and `show_switch` configuration settings are technically redundant, as the relevant
+widgets, like all widgets, are displayed only when they are provided. But they are retained as an easier route to lightly
+customise the display than by providing a full HTML structure.
-lang_options array [] A list of the languages to offer as options. If empty (the default), then all
- configured languages are listed.
-
-language_* hash Support for any number of languages can be added by providing entries whose name is
- `language_` followed by the code of the language. See the separate section below for
- details.
-
-pazpar2_url string *Note 2* The URL used to access the metasearch middleware. This service must be configured to
- provide search results, facets, etc. It may be either unmediated or Pazpar2 the
- MasterKey Service Proxy, which mediates access to an underlying Pazpar2 instance. In
- the latter case, `service_proxy_auth` must be provided.
-
-perpage_default string 20 The initial value for the number of records to show on each page.
-
-perpage_options array *Note 3* A list of candidate page sizes. Users can choose between these to determine how many
- records are displayed on each page of results.
-
-query_width int 50 The width of the query box, in characters.
-
-responsive_design_width int If defined, then the facets display moves between two locations as the screen-width
- varies, as described above. The specified number is the threshhold width, in pixels,
- at which the facets move between their two locations.
-
-service_proxy_auth url *Note 4* A URL which, when `use_service_proxy` is true, is fetched once at the beginning of each
- session to authenticate the user and establish a session that encompasses a defined set
- of targets to search in.
-
-service_proxy_auth_domain domain Can be set to the domain for which `service_proxy_auth` proxies authentication, so
- that cookies are rewritten to appear to be from this domain. In general, this is not
- necessary, as this setting defaults to the domain of `pazpar2_url`.
-
-show_lang bool true Indicates whether or not to display the language menu.
-
-show_perpage bool true Indicates whether or not to display the perpage menu.
-
-show_sort bool true Indicates whether or not to display the sort menu.
-
-show_switch bool true Indicates whether or not to display the switch menu, for switching between showing
- retrieved records and target information.
+### Notes
-sort_default string relevance The label of the default sort criterion to use. Must be one of those in the `sort`
- array.
+1. The default for `facets` is `["xtargets", "subject", "author"]`
-sort_options array *Note 6* List of supported sort criteria. Each element of the list is itself a two-element list:
- the first element of each sublist is a pazpar2 sort-expression such as `data:0` and
- the second is a human-readable label such as `newest`.
+2. The default for `perpage_options` is `[10, 20, 30, 50]`
-use_service_proxy bool true If true, then a Service Proxy is used to deliver searching services rather than raw
- Pazpar2.
-----
+3. The default for `pp2_hostname` is `"sp-mkws.indexdata.com"`
-Perhaps we should get rid of the `show_lang`, `show_perpage`,
-`show_sort` and `show_switch` configuration items, and simply display the relevant menus
-only when their containers are provided -- e.g. an `mkws-lang` element
-for the language menu. But for now we retain these, as an easier route
-to lightly customise the display than my changing providing a full HTML
-structure.
+4. The default for `pp2_path` is `"service-proxy"`
-### Notes
+5. The default for `sort_options` is `[["relevance"], ["title:1", "title"], ["date:0", "newest"], ["date:1", "oldest"]]`
-1. ["sources", "subjects", "authors"]
+6. The default for `sp_auth_path` is `"service-proxy/"`.
-2. /pazpar2/search.pz2
+7. The default for `sp_auth_query` is `"command=auth&action=perconfig"`.
-3. [10, 20, 30, 50]
+### Indirect settings
-4. http://sp-mkws.indexdata.com/service-proxy-auth
+The values of any setting are generally interpreted literally. However, it is possible to specify a value indirectly -- for
+example, by reference to a query parameter -- and this is often useful in contexts such as specifying an autosearch query. FIXME
+say more.
-5. http://sp-mkws.indexdata.com/service-proxy/
+FIXME !query!q, !path!2, etc.
-6. [["relevance"], ["title:1", "title"], ["date:0", "newest"], ["date:1", "oldest"]]
+### Assembling Pazpar2 URLs
+FIXME describe how `pazpar2_url` is assembled from `pp2_hostname` and `pp2_path`; and how `service_proxy_auth` is assembled from
+`auth_hostname` or `pp2_hostname`, `sp_auth_path`, `sp_auth_query` and `sp_auth_credentials`.
Language specification
----------------------
href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" />
<div class="mkws-search"></div>
- <div class="mkws-popup" popup_width="1024" popup_height="650" popup_modal="0" popup_autoOpen="0" popup_button="input.mkwsButton">
+ <div class="mkws-popup" popup_width="1024" popup_height="650" popup_autoOpen="0">
<div class="mkws-switch"></div>
<div class="mkws-lang"></div>
<div class="mkws-results"></div>
projects / mkws-moved-to-github.git / blobdiff