Preload data with nested and multiple values: Difference between revisions
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|preload-data?belongs to = {{PAGEID}} | |preload-data?belongs to = {{PAGEID}} | ||
}} | }} | ||
[{{canonicalurl:Help:Available_data_classes}} See | [{{canonicalurl:Help:Available_data_classes}} See available class sets] | ||
| jsondata | |||
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"schemas": { | "schemas": { | ||
"Page classes": { | "Page classes": { | ||
"classes": " | "classes": "594", | ||
"sub-classes": " | "add sub-classes": "true", | ||
"sub-sub-classes": " | "sub-classes": "596", | ||
"add sub-sub-classes": "true", | |||
"sub-sub-classes": "535" | |||
} | } | ||
} | } | ||
} | } | ||
Latest revision as of 06:30, 16 May 2024
Syntax[edit | edit source]
This example shows a concept, how to handle the VisualData form parameter 'preload-data' with nested and multiple values. This makes it possible to generate dynamical forms, e.g. to collect data differentiated by district, gender and age categories:
...
|preload-data?classes/$/class name = District 1@@@@District 2@@@@District 3
|preload-data?classes/$/sub-classes/$/sub-class name = female@@@@male@@@@diverse
|preload-data?classes/$/sub-classes/$/sub-sub-classes/$/sub-sub-class name = 0 - 14@@@@15 - 29@@@@30 - 44@@@@45 - 59@@@@60 +
...
Notice the placeholder $ and the value separator @@@@. The value separator can be set in VisualData queries, see below.
Required json-diff library is not installed. Run composer in the extension folder to enable preload-data
form is loading...
See corresponding form Data Classes
(For styling see MediaWiki:Common.css)
Workflow example[edit | edit source]
Step 1: Define one or more statistical class sets[edit | edit source]
Required json-diff library is not installed. Run composer in the extension folder to enable preload-data
form is loading...
Step 2: Attach class sets to this page[edit | edit source]
form is loading...
Step 3: Add datasets to this page[edit | edit source]
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|preload-data?classes/$/class name = {{#visualdataprint:{{#visualdataprint:{{PAGEID}}|?classes|schema = Page classes|format = raw}}|?class names|schema = Data classes|format = raw|values-separator = @@@@}}
|preload-data?classes/$/sub-classes/$/sub-class name = {{#visualdataprint:{{#visualdataprint:{{PAGEID}}|?sub-classes|schema = Page classes|format = raw}}|?class names|schema = Data classes|format = raw|values-separator = @@@@}}
|preload-data?classes/$/sub-classes/$/sub-sub-classes/$/sub-sub-class name = {{#visualdataprint:{{#visualdataprint:{{PAGEID}}|?sub-sub-classes|schema = Page classes|format = raw}}|?class names|schema = Data classes|format = raw|values-separator = @@@@}}
...
Required json-diff library is not installed. Run composer in the extension folder to enable preload-data
form is loading...