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<div class="ext-wikilambda-app-mode-selector" data-testid="mode-selector">
<cdx-menu-button
v-if="menuItems.length > 0"
data-testid="mode-selector-button"
class="ext-wikilambda-app-mode-selector__menu-button"
:selected="selected"
:menu-items="menuItems"
:aria-label="$i18n( 'wikilambda-mode-selector-button-label' ).text()"
:disabled="disabled"
@update:selected="selectMode"
>
<cdx-icon :icon="icon"></cdx-icon>
</cdx-menu-button>
</div>
</template>
<script>
const { CdxIcon, CdxMenuButton } = require( '@wikimedia/codex' );
const { defineComponent } = require( 'vue' );
const Constants = require( '../../Constants.js' ),
typeUtils = require( '../../mixins/typeUtils.js' ),
icons = require( '../../../lib/icons.json' ),
{ mapGetters } = require( 'vuex' );
module.exports = exports = defineComponent( {
name: 'wl-mode-selector',
components: {
'cdx-icon': CdxIcon,
'cdx-menu-button': CdxMenuButton
},
mixins: [ typeUtils ],
props: {
rowId: {
type: Number,
required: false,
default: 0
},
parentExpectedType: {
type: [ String, Object ],
required: false,
default: Constants.Z_OBJECT
},
disabled: {
type: Boolean,
default: false
}
},
data: function () {
return {
icon: icons.cdxIconEllipsis
};
},
computed: Object.assign( mapGetters( [
'getChildrenByParentRowId',
'getLabelData',
'getParentRowId',
'getZObjectTypeByRowId',
'getZObjectKeyByRowId',
'isCustomEnum',
'isInsideComposition',
'isWikidataFetch'
] ), {
/**
* Returns the key of the key-value pair of this component.
*
* @return {string}
*/
key: function () {
return this.getZObjectKeyByRowId( this.rowId );
},
/**
* Returns the type of the value of the the ZObject represented
* in this component. When it's not set, it's undefined.
*
* @return {string | Object | undefined}
*/
type: function () {
return this.getZObjectTypeByRowId( this.rowId );
},
/**
* Value of the selected option or Z1/Object if unselected
*
* @return {string}
*/
selected: function () {
return this.type ? this.typeToString( this.type, true ) : Constants.Z_OBJECT;
},
/**
* Whether the value is a Wikidata entity, currently
* represented by a function call to one of the Wikidata
* fetch functions.
*
* @return {boolean}
*/
isWikidataItem: function () {
return this.isWikidataFetch( this.rowId );
},
/**
* Whether the key expects a Wikidata item type.
*
* @return {boolean}
*/
expectsWikidataItem: function () {
return Constants.WIKIDATA_TYPES.includes( this.parentExpectedType );
},
/**
* Returns whether the key expected type can be persisted and
* hence can be referenced.
*
* @return {boolean}
*/
canBeReferenced: function () {
return !Constants.EXCLUDE_FROM_PERSISTENT_CONTENT.includes( this.parentExpectedType );
},
/**
* Whether the selected mode is a resolver or a literal type
*
* @return {boolean}
*/
isResolver: function () {
return [
Constants.Z_FUNCTION_CALL,
Constants.Z_ARGUMENT_REFERENCE,
Constants.Z_REFERENCE
].includes( this.selected );
},
/**
* Returns the available options for the type mode selector.
* The available options are all the available resolver types
* (Z9/Reference, Z7/Function call and Z18/Argument reference
* if we are inside an implementation composition) and the
* literal type.
* The literal type is specific if selected or bound by key,
* else it will allow the selection for any literal type (Object)
*
* @return {Array} Array of codex MenuItemData objects
*/
menuItems: function () {
// Literals and resolvers, sorted by label:
const resolvers = this.getResolverMenuItems();
const literals = this.getLiteralMenuItems();
const options = [ ...literals, ...resolvers ];
options.sort( ( a, b ) => ( a.label < b.label ) ? -1 :
( a.label > b.label ) ? 1 : 0 );
// If it's a list item, add list item operations:
// * Move item one position before
// * Move item one position after
// * Delete item
if ( this.isKeyTypedListItem( this.key ) ) {
const isFirst = this.key === '1';
const isLast = this.key === String( this.listCount );
options.push( ...[ {
label: this.$i18n( 'wikilambda-move-before-list-item' ).text(),
value: Constants.LIST_MENU_OPTIONS.MOVE_BEFORE,
icon: icons.cdxIconTableMoveRowBefore,
disabled: isFirst,
class: 'ext-wikilambda-app-mode-selector__move-before'
}, {
label: this.$i18n( 'wikilambda-move-after-list-item' ).text(),
value: Constants.LIST_MENU_OPTIONS.MOVE_AFTER,
icon: icons.cdxIconTableMoveRowAfter,
disabled: isLast,
class: 'ext-wikilambda-app-mode-selector__move-after'
}, {
label: this.$i18n( 'wikilambda-delete-list-item' ).text(),
value: Constants.LIST_MENU_OPTIONS.DELETE_ITEM,
icon: icons.cdxIconTrash,
action: 'destructive',
class: 'ext-wikilambda-app-mode-selector__delete'
} ] );
}
return options;
},
/**
* If the key belongs to a typed list item, it returns the
* list item count (not including the type element)
*
* @return {number}
*/
listCount: function () {
if ( this.isKeyTypedListItem( this.key ) ) {
const parentRowId = this.getParentRowId( this.rowId );
const children = this.getChildrenByParentRowId( parentRowId );
return children.length - 1;
}
return 0;
}
} ),
methods: {
/**
* Emit the event that corresponds to the selected menu item
*
* @param {string} value
*/
selectMode: function ( value ) {
// List actions:
if ( value === Constants.LIST_MENU_OPTIONS.DELETE_ITEM ) {
this.$emit( 'delete-list-item' );
return;
}
if ( value === Constants.LIST_MENU_OPTIONS.MOVE_BEFORE ) {
this.$emit( 'move-before' );
return;
}
if ( value === Constants.LIST_MENU_OPTIONS.MOVE_AFTER ) {
this.$emit( 'move-after' );
return;
}
if ( value !== this.selected ) {
const newType = this.menuItems.find( ( menu ) => menu.value === value );
this.$emit( 'set-type', {
keypath: [],
value: newType.type,
literal: true
} );
}
},
/**
* Return the menu options for creating resolver types
*
* @return {Array}
*/
getResolverMenuItems: function () {
const resolvers = [];
// Function call: Always available as long as:
// * is not containing a wikidata entity (already a function call)
if ( !this.expectsWikidataItem ) {
resolvers.push( {
label: this.getLabelData( Constants.Z_FUNCTION_CALL ).label,
value: Constants.Z_FUNCTION_CALL,
type: Constants.Z_FUNCTION_CALL,
icon: icons.cdxIconFunction
} );
}
// Reference: Always available as long as:
// * is not containing a wikidata entity
// * the key expected type can be referenced
if ( this.canBeReferenced ) {
resolvers.push( {
label: this.getLabelData( Constants.Z_REFERENCE ).label,
value: Constants.Z_REFERENCE,
type: Constants.Z_REFERENCE,
icon: icons.cdxIconInstance
} );
}
// Argument reference: Only available if inside a composition
if ( this.isInsideComposition( this.rowId ) ) {
resolvers.push( {
label: this.getLabelData( Constants.Z_ARGUMENT_REFERENCE ).label,
value: Constants.Z_ARGUMENT_REFERENCE,
type: Constants.Z_ARGUMENT_REFERENCE,
icon: icons.cdxIconFunctionArgument
} );
}
return resolvers;
},
/**
* Return the menu options for creating literal types
*
* @return {Array}
*/
getLiteralMenuItems: function () {
const literals = [];
// Add literal parent expected type when:
// * Key is not Z1K1/Object type; no literal Z4/Types
// * Key is not "0" type of a typed list; no literal Z4/Types
// * Is not a custom enum type; should never be a literal, always referenced
// * Does not expect a Wikidata entity
const parentTypeString = this.typeToString( this.parentExpectedType, true );
if (
this.key !== Constants.Z_OBJECT_TYPE &&
!this.isKeyTypedListType( this.key ) &&
!this.isCustomEnum( this.parentExpectedType ) &&
!this.expectsWikidataItem
) {
literals.push( {
label: this.$i18n( 'wikilambda-literal-type', this.getLabelData( parentTypeString ).label ).text(),
value: parentTypeString,
type: this.parentExpectedType,
icon: icons.cdxIconLiteral
} );
}
// Also add selected type when:
// * type is not a Wikidata item
// * type is selected and valid,
// * type is not a resolver (Z9/Z7/Z18), and
// * parent expected type is Z1/Object.
// This means that whenever the parent expected type is Z1
// but a valid type is selected, we will be showing both:
// * Literal Object
// * Literal <Selected type>
const typeString = this.typeToString( this.type, true );
if (
!this.isWikidataItem &&
!!this.type && !!typeString &&
!this.isResolver &&
this.parentExpectedType === Constants.Z_OBJECT
) {
literals.push( {
label: this.$i18n( 'wikilambda-literal-type', this.getLabelData( typeString ).label ).text(),
value: typeString,
type: this.type,
icon: icons.cdxIconLiteral
} );
}
return literals;
}
}
} );
</script>
<style lang="less">
@import '../../ext.wikilambda.app.variables.less';
.ext-wikilambda-app-mode-selector {
position: relative;
.ext-wikilambda-app-mode-selector__move-before {
box-shadow: 0 -1px 0 0 @border-color-subtle;
}
.ext-wikilambda-app-mode-selector__delete {
box-shadow: 0 -1px 0 0 @border-color-subtle;
}
}
</style>
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