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WikiLambda Vue component for Visual Editor Wikifunctions function call
insertion and edit plugin.
@copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
@license MIT
-->
<template>
<div class="ext-wikilambda-app-function-select">
<!-- Main function selector -->
<div class="ext-wikilambda-app-function-select__field">
<cdx-search-input
:model-value="searchTerm"
:placeholder="searchPlaceholder"
@update:model-value="updateSearchTerm"
@focus="showSearchCancel = true"
></cdx-search-input>
</div>
<div class="ext-wikilambda-app-function-select__results">
<!-- Suggested items -->
<template v-if="showSuggested">
<div class="ext-wikilambda-app-function-select__title">
{{ i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-suggested-functions-title' ) }}
</div>
<wl-function-select-item
v-for="item in suggested"
:key="item.zid"
:label-data="item.labelData"
:description="item.description"
@click="selectFunction( item.zid )"
></wl-function-select-item>
</template>
<!-- Lookup results -->
<template v-else>
<template v-if="lookupResults.length > 0">
<div class="ext-wikilambda-app-function-select__title">
{{ i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-search-results-title' ) }}
</div>
<wl-function-select-item
v-for="( item, index ) in lookupResults"
:key="item.zid"
:label="item.label"
:description="descriptions[index]"
@click="selectFunction( item.zid )"
></wl-function-select-item>
</template>
<div v-else class="ext-wikilambda-app-function-select__no-results">
<div class="ext-wikilambda-app-function-select__no-results-msg">
{{ i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-search-no-results' ) }}
</div>
<div
v-for="( cta, index ) in callsToAction"
:key="`cta-${ index }`"
class="ext-wikilambda-app-function-select__no-results-cta"
>
<!-- eslint-disable-next-line vue/no-v-html -->
<span v-html="cta.title"></span><br>
<span>{{ cta.description }}</span>
</div>
</div>
</template>
</div>
</div>
</template>
<script>
const { CdxSearchInput } = require( '../../../codex.js' );
const { computed, defineComponent, inject, ref } = require( 'vue' );
const useType = require( '../../composables/useType.js' );
const useMainStore = require( '../../store/index.js' );
const FunctionSelectItem = require( './FunctionSelectItem.vue' );
module.exports = exports = defineComponent( {
name: 'wl-function-select',
components: {
'cdx-search-input': CdxSearchInput,
'wl-function-select-item': FunctionSelectItem
},
emits: [ 'select' ],
setup( _, { emit } ) {
const i18n = inject( 'i18n' );
const { isValidZidFormat } = useType();
const store = useMainStore();
// Constants
const callsToAction = [
{
title: i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-suggest-title' ).parse(),
description: i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-suggest-description' ).text()
},
{
title: i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-create-title' ).parse(),
description: i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-create-description' ).text()
},
{
title: i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-explore-title' ).parse(),
description: i18n( 'wikilambda-visualeditor-wikifunctionscall-dialog-cta-explore-description' ).text()
}
];
// Search data
const showSearchCancel = ref( false );
/**
* Returns the current search term
*
* @return {string}
*/
const searchTerm = computed( () => store.getSearchTerm );
/**
* Returns the search placeholder text
*
* @return {string}
*/
const searchPlaceholder = computed( () => i18n(
'wikilambda-visualeditor-wikifunctionscall-dialog-search-placeholder',
// Note: This is currently a hard-coded value of 2000 Functions.
mw.language.convertNumber( 2000 )
).text() );
/**
* Update the lookupResults when there's a new search
* term in the language search box.
*
* @param {string} value
*/
function updateSearchTerm( value ) {
store.setSearchTerm( value );
if ( !value ) {
store.setLookupResults( [] );
return;
}
fetchLookupResults( value );
// Track the searching for a function
store.submitVEInteraction( 'search-change-query' );
}
// Suggested functions
/**
* Returns the information of the suggested function Zids
*
* @return {Array}
*/
const suggested = computed( () => store.getSuggestedFunctions.map( ( zid ) => ( {
zid,
labelData: store.getLabelData( zid ),
description: store.getDescription( zid )
} ) ) );
/**
* Returns true when search term is empty and there are suggestions to show
*
* @return {boolean}
*/
const showSuggested = computed( () => !!suggested.value.length && !searchTerm.value.length );
// Lookup results
let lookupAbortController = null;
/**
* Returns the current lookup results
*
* @return {Array}
*/
const lookupResults = computed( () => store.getLookupResults );
/**
* Returns the array of the description objects from the lookup results
*
* @return {Array}
*/
const descriptions = computed( () => lookupResults.value
.map( ( item ) => store.getDescription( item.zid ) )
);
/**
* Triggers a lookup API to search for matches for the
* given substring and formats the results to be shown
* in the dialog list.
*
* @param {string} substring
*/
function fetchLookupResults( substring ) {
const allZids = [];
// Cancel previous request if any
if ( lookupAbortController ) {
lookupAbortController.abort();
}
lookupAbortController = new AbortController();
store.lookupFunctions( {
search: substring,
renderable: true,
signal: lookupAbortController.signal
} ).then( ( data ) => {
const { objects } = data;
// If the string searched has changed, do not show the search result
if ( !searchTerm.value.includes( substring ) ) {
return;
}
// Compile information for every search result
const results = objects
.map( ( result ) => {
allZids.push( result.page_title );
return {
zid: result.page_title,
label: result.label,
language: result.language
};
} );
store.setLookupResults( results );
// Fetch the result zid information (labels)
store.fetchZids( { zids: allZids } );
} ).catch( ( error ) => {
if ( error.code === 'abort' ) {
return;
}
} );
}
// Selection actions
/**
* If the selected value is a valid Zid, emit select event
*
* @param {string} value
*/
function selectFunction( value ) {
if ( value && isValidZidFormat( value ) ) {
emit( 'select', value );
// Track the selecting a function
store.submitVEInteraction( 'search-choose-function' );
}
}
return {
callsToAction,
descriptions,
lookupResults,
searchPlaceholder,
searchTerm,
selectFunction,
showSearchCancel,
showSuggested,
suggested,
updateSearchTerm,
i18n
};
}
} );
</script>
<style lang="less">
@import '../../ext.wikilambda.app.variables.less';
.ext-wikilambda-app-function-select {
.ext-wikilambda-app-function-select__field {
padding: 16px 16px 8px;
}
.ext-wikilambda-app-function-select__results {
overflow: scroll;
}
.ext-wikilambda-app-function-select__title {
padding: @spacing-50 @spacing-100;
color: @color-base;
font-weight: @font-weight-bold;
}
.ext-wikilambda-app-function-select__no-results-msg {
padding: @spacing-50 @spacing-100;
color: @color-subtle;
font-weight: @font-weight-bold;
}
.ext-wikilambda-app-function-select__no-results-cta {
padding: @spacing-50 @spacing-100;
}
}
</style>
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