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6 changes: 6 additions & 0 deletions
6
demos/storybook/shapes/editors/dash/InstancesSelect/no-labels.data.ttl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| PREFIX ex: <http://example.org/> | ||
| prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> | ||
| prefix wd: <http://www.wikidata.org/entity/> | ||
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| ex:instance <http://schema.org/alumniOf> wd:Q184478 . | ||
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24
demos/storybook/shapes/editors/dash/InstancesSelect/no-labels.ttl
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,24 @@ | ||
| PREFIX dash: <http://datashapes.org/dash#> | ||
| PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> | ||
| PREFIX wd: <http://www.wikidata.org/entity/> | ||
| PREFIX schema: <http://schema.org/> | ||
| PREFIX sh: <http://www.w3.org/ns/shacl#> | ||
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| <> a sh:NodeShape ; | ||
| sh:property | ||
| [ | ||
| sh:path schema:alumniOf ; | ||
| sh:class wd:Q3918 ; | ||
| sh:name "Alma mater" ; | ||
| sh:minCount 1 ; | ||
| sh:maxCount 1 ; | ||
| dash:editor dash:InstancesSelectEditor ; | ||
| ] ; | ||
| . | ||
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| wd:Q184478 a wd:Q3918 . | ||
| wd:Q1860208 a wd:Q3918 . | ||
| wd:Q49108 a wd:Q3918 . | ||
| wd:Q34433 a wd:Q3918 . | ||
| wd:Q35794 a wd:Q3918 . | ||
| wd:Q13371 a wd:Q3918 . |
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35 changes: 22 additions & 13 deletions
35
demos/storybook/stories/Editors/DASH/InstancesSelectEditor.stories.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,24 +1,33 @@ | ||
| import type { StoryObj as Story } from '@storybook/web-components' | ||
| import { defaultMeta } from '../../common.js' | ||
| import { render } from '../../render.js' | ||
| import { createStory, defaultMeta } from '../../common.js' | ||
| import instances from '../../../shapes/editors/dash/InstancesSelect/wikidata.ttl?raw' | ||
| import instancesNoLabels from '../../../shapes/editors/dash/InstancesSelect/no-labels.ttl?raw' | ||
| import noLabelsData from '../../../shapes/editors/dash/InstancesSelect/no-labels.data.ttl?raw' | ||
| import { configure as configureFetch } from './InstancesSelectEditor/fetch.js' | ||
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| const meta = { | ||
| ...defaultMeta, | ||
| } | ||
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| export default meta | ||
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| /** | ||
| * Just as with enum select, `rdfs:label` is used for option text | ||
| */ | ||
| export const Wikidata: Story = { | ||
| export const Wikidata: Story = createStory({ | ||
| name: 'Resources by sh:class', | ||
| args: { | ||
| shapes: instances, | ||
| customPrefixes: { | ||
| wd: 'http://www.wikidata.org/entity/', | ||
| }, | ||
| shapes: instances, | ||
| prefixes: ['rdfs'], | ||
| customPrefixes: { | ||
| wd: 'http://www.wikidata.org/entity/', | ||
| }, | ||
| render, | ||
| } | ||
| })() | ||
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| export const WikidataNoLabels: Story = createStory({ | ||
| name: 'Resources without labels', | ||
| shapes: instancesNoLabels, | ||
| data: noLabelsData, | ||
| focusNode: 'http://example.org/instance', | ||
| prefixes: ['rdfs', 'schema'], | ||
| customPrefixes: { | ||
| wd: 'http://www.wikidata.org/entity/', | ||
| ex: 'http://example.org/', | ||
| }, | ||
| })(configureFetch) |
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98
demos/storybook/stories/Editors/DASH/InstancesSelectEditor/fetch.ts
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| import type { InstanceConfigCallback } from '@hydrofoil/shaperone-wc/configure.js' | ||
| import SparqlClient from 'sparql-http-client/ParsingClient.js' | ||
| import type { ComponentDecorator, InstancesSelectEditor } from '@hydrofoil/shaperone-core/components.js' | ||
| import type { ComponentConstructor } from '@hydrofoil/shaperone-core/models/components/index.js' | ||
| import type { GraphPointer } from 'clownface' | ||
| import type { PropertyValues } from 'lit' | ||
| import env from '@hydrofoil/shaperone-core/env.js' | ||
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| const wikidata = new SparqlClient({ | ||
| endpointUrl: 'https://query.wikidata.org/sparql', | ||
| }) | ||
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| const labelQuery = ` | ||
| prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> | ||
| construct { | ||
| ?id rdfs:label ?l | ||
| } where { | ||
| ?id rdfs:label ?l | ||
| }` | ||
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| const WikidataFetchMixin: ComponentDecorator<InstancesSelectEditor> = { | ||
| applicableTo(component: ComponentConstructor) { | ||
| return component.editor.equals(env().ns.dash.InstancesSelectEditor) | ||
| }, | ||
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| decorate(base) { | ||
| return class InstanceFetchingComponent extends base implements InstancesSelectEditor { | ||
| private loading = false | ||
| private loaded = env().clownface() | ||
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| updated(_changedProperties: PropertyValues) { | ||
| super.updated(_changedProperties) | ||
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| if (_changedProperties.has('choices') && this.choices.length) { | ||
| this.loadLabels(...this.choices) | ||
| } | ||
| } | ||
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| async loadLabels(...iris: GraphPointer[]) { | ||
| if (this.loading) { | ||
| // avoid multiple requests | ||
| return | ||
| } | ||
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| this.loading = true | ||
| try { | ||
| const toFetch = iris | ||
| // skip non-wikidata resources | ||
| .filter(resource => resource.value.startsWith('http://www.wikidata.org/entity/')) | ||
| // skip resources for which we already have data | ||
| .filter(resource => !this.loaded.node(resource) | ||
| .out(env().ns.rdfs.label).terms.length) | ||
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| if (toFetch.length === 0) { | ||
| return | ||
| } | ||
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| const query = `${labelQuery} | ||
| VALUES ?id { | ||
| ${toFetch.map(resource => `<${resource.value}>`).join(' ')} | ||
| }` | ||
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| const loaded = await wikidata.query.construct(query) | ||
| for (const quad of loaded) { | ||
| this.loaded.dataset.add(quad) | ||
| } | ||
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| this.setChoices() | ||
| } finally { | ||
| this.loading = false | ||
| } | ||
| } | ||
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| setChoices() { | ||
| const property = this.property.shape | ||
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| // used combined triples from the Shapes Graph and the fetched data | ||
| const loadedGraph = env().clownface({ | ||
| dataset: env().dataset([...this.loaded.dataset, ...property.pointer.dataset]), | ||
| }) | ||
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| if (property.class) { | ||
| this.choices = loadedGraph | ||
| .has(env().ns.rdf.type, property.class.id) | ||
| .toArray() | ||
| } else { | ||
| this.choices = [] | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| } | ||
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| export const configure: InstanceConfigCallback = ({ components }) => { | ||
| // register the decorator in the component registry | ||
| components.decorate(WikidataFetchMixin) | ||
| } |
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