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WikiLambda Vue component for Z16/Code objects.
@copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
@license MIT
-->
<template>
<div class="ext-wikilambda-app-code" data-testid="z-code">
<!-- Programming language block -->
<wl-key-value-block
:key-bold="true"
class="ext-wikilambda-app-code__language-selector-block">
<template #key>
<label
:lang="programmingLanguageLabelData.langCode"
:dir="programmingLanguageLabelData.langDir"
>{{ programmingLanguageLabelData.label }}</label>
</template>
<template #value>
<div
data-testid="language-dropdown"
class="ext-wikilambda-app-code__language-selector">
<span v-if="!edit">
{{ programmingLanguageLiteral }}
</span>
<cdx-select
v-else
:selected="programmingLanguageValue"
:menu-items="programmingLanguageMenuItems"
:default-label="$i18n( 'wikilambda-editor-label-select-programming-language-label' ).text()"
:status="( programmingLanguageErrors.length > 0 ) ? 'error' : 'default'"
@update:selected="onProgrammingLanguageChange"
></cdx-select>
</div>
</template>
<template v-if="programmingLanguageErrors.length > 0" #footer>
<cdx-message
v-for="( error, index ) in programmingLanguageErrors"
:key="'language-error-' + index"
class="ext-wikilambda-app-code__inline-error"
:type="error.type"
:inline="true"
>
<!-- eslint-disable-next-line vue/no-v-html -->
<div v-html="getErrorMessage( error )"></div>
</cdx-message>
</template>
</wl-key-value-block>
<!-- Code editor block -->
<wl-key-value-block
:key-bold="true"
class="ext-wikilambda-app-code__code-editor-block">
<template #key>
<label
:lang="codeLabelData.langCode"
:dir="codeLabelData.langDir"
>{{ codeLabelData.label }}</label>
</template>
<template #value>
<code-editor
class="ext-wikilambda-app-code__code-editor"
:mode="programmingLanguageLiteral"
:read-only="!edit"
:disabled="!programmingLanguageValue"
:value="editorValue"
data-testid="code-editor"
@change="updateCode"
@click="checkCode"
></code-editor>
</template>
<template v-if="codeErrors.length > 0" #footer>
<cdx-message
v-for="( error, index ) in codeErrors"
:key="'code-error-' + index"
class="ext-wikilambda-app-code__inline-error"
:type="error.type"
:inline="true"
>
<!-- eslint-disable-next-line vue/no-v-html -->
<div v-html="getErrorMessage( error )"></div>
</cdx-message>
</template>
</wl-key-value-block>
</div>
</template>
<script>
const { CdxMessage, CdxSelect } = require( '@wikimedia/codex' );
const { defineComponent } = require( 'vue' );
const Constants = require( '../../Constants.js' ),
CodeEditor = require( '../base/CodeEditor.vue' ),
KeyValueBlock = require( '../base/KeyValueBlock.vue' ),
errorUtils = require( '../../mixins/errorUtils.js' ),
{ mapGetters, mapActions } = require( 'vuex' );
module.exports = exports = defineComponent( {
name: 'wl-z-code',
components: {
'cdx-message': CdxMessage,
'cdx-select': CdxSelect,
'code-editor': CodeEditor,
'wl-key-value-block': KeyValueBlock
},
mixins: [ errorUtils ],
props: {
rowId: {
type: Number,
required: false,
default: 0
},
parentId: {
type: Number,
required: false,
default: 0
},
edit: {
type: Boolean,
required: true
}
},
data: function () {
return {
editorValue: '',
allowSetEditorValue: true,
hasClickedDisabledField: false
};
},
computed: Object.assign(
mapGetters( [
'getAllProgrammingLangs',
'getConverterIdentity',
'getErrors',
'getLabelData',
'getRowByKeyPath',
'getZCodeProgrammingLanguageRow',
'getZCodeString',
'getZObjectTypeByRowId',
'getZReferenceTerminalValue',
'getInputsOfFunctionZid',
'getZImplementationFunctionZid',
'isCreateNewPage'
] ),
{
/**
* Returns the label of the key Z16K2
*
* @return {LabelData}
*/
codeLabelData: function () {
return this.getLabelData( Constants.Z_CODE_CODE );
},
/**
* Terminal string with the code of the function
* implementation or undefined if not found
*
* @return {string | undefined}
*/
codeValue: function () {
return this.getZCodeString( this.rowId );
},
/**
* Returns the rowId for the code value string
*
* @return {number | undefined}
*/
codeValueRowId: function () {
const codeRow = this.getRowByKeyPath( [
Constants.Z_CODE_CODE,
Constants.Z_STRING_VALUE
], this.rowId );
return codeRow ? codeRow.id : undefined;
},
/**
* Returns code field errors
*
* @return {Array}
*/
codeErrors: function () {
return this.codeValueRowId ?
[ ...this.codeNotices, ...this.getErrors( this.codeValueRowId ) ] :
this.codeNotices;
},
/**
* Returns code field notices
*
* @return {Array}
*/
codeNotices: function () {
return ( this.parentType === Constants.Z_IMPLEMENTATION || !this.isCreateNewPage ) ? [] : [ {
type: Constants.errorTypes.NOTICE,
code: Constants.errorCodes.NEW_ZID_PLACEHOLDER_WARNING
} ];
},
/**
* Returns the label of the key Z16K1
*
* @return {LabelData}
*/
programmingLanguageLabelData: function () {
return this.getLabelData( Constants.Z_CODE_LANGUAGE );
},
/**
* Returns the programming language (Z16K1) row id
*
* @return {number}
*/
programmingLanguageRowId: function () {
const programmingLangRow = this.getZCodeProgrammingLanguageRow( this.rowId );
return programmingLangRow ? programmingLangRow.id : undefined;
},
/**
* Returns the Zid of the programming language selected, or undefined if unselected
*
* @return {string | undefined}
*/
programmingLanguageZid: function () {
return this.getZReferenceTerminalValue( this.programmingLanguageRowId );
},
/**
* Returns the literal of the programming language selected in the Menu Items array by its zid,
* or empty string if unselected.
*
* @return {string}
*/
programmingLanguageLiteral: function () {
const menuObject = this.programmingLanguageMenuItems
.find( ( item ) => item.value === this.programmingLanguageValue );
return menuObject ? menuObject.label : undefined;
},
/**
* Zid of the selected programming language or empty string if not set
*
* @return {string}
*/
programmingLanguageValue: {
get: function () {
return !this.programmingLanguageZid ? '' : this.programmingLanguageZid;
},
set: function ( val ) {
if ( val !== this.programmingLanguageValue ) {
this.selectLanguage( val );
}
}
},
/**
* Returns programming language errors
*
* @return {Array}
*/
programmingLanguageErrors: function () {
return this.programmingLanguageRowId ? this.getErrors( this.programmingLanguageRowId ) : [];
},
/**
* Type of the parent object. Most common types would be
* Implementation/Z14, Serialiser/Z64 or Deserialiser/Z46
*
* @return {string}
*/
parentType: function () {
return this.getZObjectTypeByRowId( this.parentId );
},
/**
* If parent is Implementation/Z14:
* * Zid of the target function that this code will implement
* If parent is Serialiser/Z64 or Deserialiser/Z46:
* * Zid of the converter identity (or Z0):
*
* @return {string | undefined }
*/
functionZid: function () {
return this.parentType === Constants.Z_IMPLEMENTATION ?
this.getZImplementationFunctionZid( this.parentId ) :
this.getConverterIdentity( this.parentId, this.parentType );
},
/**
* If parent is Implementation/Z14:
* * Returns an array of strings with the keys of the selected
* target function for the implementation (Z14K1)
* * Zid of the target function that this code will implement
* If parent is Serialiser/Z64 or Deserialiser/Z46:
* * Return one key using the the converter identity (or Z0):
*
* @return {Array}
*/
functionArgumentKeys: function () {
return this.parentType === Constants.Z_IMPLEMENTATION ?
this.getInputsOfFunctionZid( this.functionZid )
.map( ( arg ) => arg[ Constants.Z_ARGUMENT_KEY ] ) :
[ `${ this.functionZid }K1` ];
},
/**
* Returns the appropriately formatted menu items to load the cdx-select
* component with the different programming language options
*
* @return {Array}
*/
programmingLanguageMenuItems: function () {
const programmingLangs = [];
if ( this.getAllProgrammingLangs.length > 0 ) {
for ( const lang of this.getAllProgrammingLangs ) {
programmingLangs.push(
{
label: lang[
Constants.Z_PERSISTENTOBJECT_VALUE
][
Constants.Z_PROGRAMMING_LANGUAGE_CODE
],
value: lang[
Constants.Z_PERSISTENTOBJECT_ID
][
Constants.Z_STRING_VALUE
]
}
);
}
}
return programmingLangs;
}
}
),
methods: Object.assign(
mapActions( [
'fetchZids',
'fetchAllZProgrammingLanguages',
'clearErrors',
'setError'
] ),
{
/**
* Generates boilerplate code based on the selected programming language.
*
* @param {string} language - The programming language selected.
* @return {string} The generated boilerplate code.
*/
generateBoilerplateCode( language ) {
switch ( language ) {
case Constants.Z_PROGRAMMING_LANGUAGES.JAVASCRIPT:
return `function ${ this.functionZid }( ${ this.functionArgumentKeys.join( ', ' ) } ) {\n\n}`;
case Constants.Z_PROGRAMMING_LANGUAGES.PYTHON:
return `def ${ this.functionZid }(${ this.functionArgumentKeys.join( ', ' ) }):\n\t`;
default:
return '';
}
},
/**
* Sets the value of the Code programming language key (Z16K1) and
* initializes the value of the Code content key (Z16K2)
*
* @param {string} value
*/
selectLanguage: function ( value ) {
this.allowSetEditorValue = true;
// clear errors for language field
this.clearErrors( this.programmingLanguageRowId );
this.$emit( 'set-value', {
keyPath: [
Constants.Z_CODE_LANGUAGE,
Constants.Z_REFERENCE_ID
],
value
} );
this.$emit( 'set-value', {
keyPath: [ Constants.Z_CODE_CODE, Constants.Z_STRING_VALUE ],
value: this.generateBoilerplateCode( value )
} );
},
/**
* Updates the value of the Code content key (Z16K2)
*
* @param {string} code
*/
updateCode: function ( code ) {
// there is an edge case where acejs will trigger an empty change that we process as an event object
// we don't want to update our object with that bad data
// TODO (T324605): this deserves a deeper investigation
if ( typeof code !== 'object' ) {
this.clearErrors( this.codeValueRowId );
this.$emit( 'set-value', {
keyPath: [ Constants.Z_CODE_CODE, Constants.Z_STRING_VALUE ],
value: code
} );
}
},
/**
* Handles the change event of the programming language dropdown
*
* @param {string} newValue
*/
onProgrammingLanguageChange: function ( newValue ) {
this.programmingLanguageValue = newValue;
this.clearErrors( this.programmingLanguageRowId );
},
/**
* Checks if a programming language is set
*/
checkCode: function () {
if ( !this.edit || this.programmingLanguageValue || this.hasClickedDisabledField ) {
return;
}
const payload = {
rowId: this.programmingLanguageRowId,
errorType: Constants.errorTypes.WARNING,
errorMessage: this.$i18n( 'wikilambda-editor-label-select-programming-language-empty' ).text()
};
this.hasClickedDisabledField = true;
this.setError( payload );
}
} ),
watch: {
codeValue: {
immediate: true,
handler: function () {
// Check allowSetEditorValue to ensure we only set value in the editor when its current value should be
// overridden (e.g. when the editor is first loaded, or when the language changes). Ensuring this
// prevents a bug that moves the cursor to the end of the editor on every keypress.
if ( this.allowSetEditorValue ) {
this.editorValue = this.codeValue || '';
this.allowSetEditorValue = false;
}
}
}
},
mounted: function () {
this.fetchZids( { zids: [ Constants.Z_CODE ] } );
if ( this.getAllProgrammingLangs.length <= 0 ) {
this.fetchAllZProgrammingLanguages();
}
}
} );
</script>
<style lang="less">
@import '../../ext.wikilambda.app.variables.less';
.ext-wikilambda-app-code {
.ext-wikilambda-app-code__language-selector {
margin-top: @spacing-25;
margin-bottom: @spacing-50;
}
.ext-wikilambda-app-code__inline-error {
margin-top: @spacing-25;
}
}
</style>
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