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<script>
import {
GlButton,
GlButtonGroup,
GlDropdown,
GlDropdownItem,
GlSearchBoxByType,
GlTooltipDirective as GlTooltip,
} from '@gitlab/ui';
import { BubbleMenu } from '@tiptap/vue-2';
import codeBlockLanguageLoader from '../services/code_block_language_loader';
import CodeBlockHighlight from '../extensions/code_block_highlight';
import Diagram from '../extensions/diagram';
import Frontmatter from '../extensions/frontmatter';
import EditorStateObserver from './editor_state_observer.vue';
const CODE_BLOCK_NODE_TYPES = [CodeBlockHighlight.name, Diagram.name, Frontmatter.name];
export default {
components: {
BubbleMenu,
GlButton,
GlButtonGroup,
GlDropdown,
GlDropdownItem,
GlSearchBoxByType,
EditorStateObserver,
},
directives: {
GlTooltip,
},
inject: ['tiptapEditor'],
data() {
return {
selectedLanguage: {},
filterTerm: '',
filteredLanguages: [],
};
},
watch: {
filterTerm: {
handler(val) {
this.filteredLanguages = codeBlockLanguageLoader.filterLanguages(val);
},
immediate: true,
},
},
methods: {
shouldShow: ({ editor }) => {
return CODE_BLOCK_NODE_TYPES.some((type) => editor.isActive(type));
},
getSelectedLanguage() {
const { language } = this.tiptapEditor.getAttributes(this.getCodeBlockType());
this.selectedLanguage = codeBlockLanguageLoader.findLanguageBySyntax(language);
},
async setSelectedLanguage(language) {
this.selectedLanguage = language;
await codeBlockLanguageLoader.loadLanguages([language.syntax]);
this.tiptapEditor.commands.setCodeBlock({ language: this.selectedLanguage.syntax });
},
tippyOnBeforeUpdate(tippy, props) {
if (props.getReferenceClientRect) {
// eslint-disable-next-line no-param-reassign
props.getReferenceClientRect = () => {
const { view } = this.tiptapEditor;
const { from } = this.tiptapEditor.state.selection;
for (let { node } = view.domAtPos(from); node; node = node.parentElement) {
if (node.nodeName?.toLowerCase() === 'pre') {
return node.getBoundingClientRect();
}
}
return new DOMRect(-1000, -1000, 0, 0);
};
}
},
deleteCodeBlock() {
this.tiptapEditor.chain().focus().deleteNode(this.getCodeBlockType()).run();
},
getCodeBlockType() {
return (
CODE_BLOCK_NODE_TYPES.find((type) => this.tiptapEditor.isActive(type)) ||
CodeBlockHighlight.name
);
},
},
};
</script>
<template>
<bubble-menu
data-testid="code-block-bubble-menu"
class="gl-shadow gl-rounded-base"
:editor="tiptapEditor"
plugin-key="bubbleMenuCodeBlock"
:should-show="shouldShow"
:tippy-options="{ onBeforeUpdate: tippyOnBeforeUpdate }"
>
<editor-state-observer @transaction="getSelectedLanguage">
<gl-button-group>
<gl-dropdown contenteditable="false" boundary="viewport" :text="selectedLanguage.label">
<template #header>
<gl-search-box-by-type
v-model="filterTerm"
:clear-button-title="__('Clear')"
:placeholder="__('Search')"
/>
</template>
<template #highlighted-items>
<gl-dropdown-item :key="selectedLanguage.syntax" is-check-item :is-checked="true">
{{ selectedLanguage.label }}
</gl-dropdown-item>
</template>
<gl-dropdown-item
v-for="language in filteredLanguages"
v-show="selectedLanguage.syntax !== language.syntax"
:key="language.syntax"
@click="setSelectedLanguage(language)"
>
{{ language.label }}
</gl-dropdown-item>
</gl-dropdown>
<gl-button
v-gl-tooltip
variant="default"
category="primary"
size="medium"
:aria-label="__('Delete code block')"
:title="__('Delete code block')"
icon="remove"
@click="deleteCodeBlock"
/>
</gl-button-group>
</editor-state-observer>
</bubble-menu>
</template>
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