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WikiLambda Vue component for a Typed List Type.
@copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
@license MIT
-->
<template>
<div class="ext-wikilambda-ztyped-list-type">
<wl-z-object-key-value
:row-id="rowId"
:edit="edit"
:list-item-type="listItemType"
@change-event="changeType"
></wl-z-object-key-value>
</div>
</template>
<script>
const { defineComponent } = require( 'vue' );
const typeUtils = require( '../../mixins/typeUtils.js' ),
Constants = require( '../../Constants.js' ),
mapGetters = require( 'vuex' ).mapGetters,
mapActions = require( 'vuex' ).mapActions;
module.exports = exports = defineComponent( {
name: 'wl-z-typed-list-type',
components: {
//
},
mixins: [ typeUtils ],
props: {
rowId: {
type: Number,
required: false,
default: 0
},
edit: {
type: Boolean,
required: true
},
parentRowId: {
type: Number,
default: undefined
},
listItemType: {
type: [ String, Object ],
default: null
},
listItemsRowIds: {
type: Array,
default() {
return [];
}
}
},
data: function () {
return {
hasError: false
};
},
computed: Object.assign( mapGetters( [
'getZObjectTypeByRowId'
] ) ),
methods: Object.assign( mapActions( [
'setListItemsForRemoval',
'clearListItemsForRemoval',
'setError',
'clearErrors'
] ), {
/**
* Retrieves a list of items to be removed.
*
* @param {string} newListItemType
* @return {Array} - The list of items to be removed.
*/
getListItemsForRemoval( newListItemType ) {
return this.listItemsRowIds
.filter( ( rowId ) => this.getZObjectTypeByRowId( rowId ) !== newListItemType );
},
/**
* Handles the change of the type of the list.
*
* @param {Object} payload
* @return {void}
*/
changeType: function ( payload ) {
/**
* if the type of the list has changed:
* - warn the user this will delete list items (now the 'wrong' type)
* - except when the type was changed to Object/Z1: we can clear the errors
* - the items that need to be deleted are the ones that are not of the new type
*/
const newListItemType = payload.value;
const isZObject = newListItemType === Constants.Z_OBJECT;
const isDifferentType = newListItemType !== this.listItemType && newListItemType !== Constants.Z_OBJECT;
const hasListItems = this.listItemsRowIds.length > 0;
// If the type was changed to Object/Z1, we can clear the errors
if ( this.hasError && isZObject ) {
this.hasError = false;
this.clearErrors( 0 );
this.clearListItemsForRemoval();
return;
}
// If the type was changed to a different type and there are list items, show a warning
if ( isDifferentType && hasListItems ) {
// Set the error only once
if ( !this.hasError ) {
this.hasError = true;
this.setError( {
rowId: 0,
errorCode: Constants.errorCodes.TYPED_LIST_TYPE_CHANGED,
errorType: Constants.errorTypes.WARNING
} );
}
this.setListItemsForRemoval( {
parentRowId: this.parentRowId,
listItems: this.getListItemsForRemoval( newListItemType )
} );
}
}
} ),
beforeCreate: function () {
this.$options.components[ 'wl-z-object-key-value' ] = require( './ZObjectKeyValue.vue' );
}
} );
</script>
<style lang="less">
@import '../../ext.wikilambda.edit.variables.less';
.ext-wikilambda-ztyped-list-type {
margin-bottom: @wl-key-value-set-margin-bottom;
&__label {
display: inline-block;
color: @color-subtle;
font-weight: @font-weight-normal;
margin-bottom: @spacing-12;
}
}
</style>
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