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<script>
import $ from 'jquery';
import Vue from 'vue';
import Vuex, { mapState, mapActions, mapGetters } from 'vuex';
import { isInViewport } from '~/lib/utils/common_utils';
import { __ } from '~/locale';
import { DropdownVariant } from './constants';
import DropdownButton from './dropdown_button.vue';
import DropdownContents from './dropdown_contents.vue';
import DropdownTitle from './dropdown_title.vue';
import DropdownValue from './dropdown_value.vue';
import DropdownValueCollapsed from './dropdown_value_collapsed.vue';
import issueLabelsQuery from './graphql/issue_labels.query.graphql';
import labelsSelectModule from './store';
Vue.use(Vuex);
export default {
store: new Vuex.Store(labelsSelectModule()),
components: {
DropdownTitle,
DropdownValue,
DropdownButton,
DropdownContents,
DropdownValueCollapsed,
},
inject: ['iid', 'projectPath'],
props: {
allowLabelRemove: {
type: Boolean,
required: false,
default: false,
},
allowLabelEdit: {
type: Boolean,
required: false,
default: false,
},
allowLabelCreate: {
type: Boolean,
required: false,
default: false,
},
allowMultiselect: {
type: Boolean,
required: false,
default: false,
},
allowScopedLabels: {
type: Boolean,
required: false,
default: false,
},
variant: {
type: String,
required: false,
default: DropdownVariant.Sidebar,
},
selectedLabels: {
type: Array,
required: false,
default: () => [],
},
labelsSelectInProgress: {
type: Boolean,
required: false,
default: false,
},
labelsFetchPath: {
type: String,
required: false,
default: '',
},
labelsManagePath: {
type: String,
required: false,
default: '',
},
labelsFilterBasePath: {
type: String,
required: false,
default: '',
},
labelsFilterParam: {
type: String,
required: false,
default: 'label_name',
},
dropdownButtonText: {
type: String,
required: false,
default: __('Label'),
},
labelsListTitle: {
type: String,
required: false,
default: __('Assign labels'),
},
labelsCreateTitle: {
type: String,
required: false,
default: __('Create group label'),
},
footerCreateLabelTitle: {
type: String,
required: false,
default: __('Create group label'),
},
footerManageLabelTitle: {
type: String,
required: false,
default: __('Manage group labels'),
},
isEditing: {
type: Boolean,
required: false,
default: false,
},
},
data() {
return {
contentIsOnViewport: true,
issueLabels: [],
};
},
apollo: {
issueLabels: {
query: issueLabelsQuery,
variables() {
return {
iid: this.iid,
fullPath: this.projectPath,
};
},
update(data) {
return data.workspace?.issuable?.labels.nodes || [];
},
},
},
computed: {
...mapState(['showDropdownButton', 'showDropdownContents']),
...mapGetters([
'isDropdownVariantSidebar',
'isDropdownVariantStandalone',
'isDropdownVariantEmbedded',
]),
dropdownButtonVisible() {
return this.isDropdownVariantSidebar ? this.showDropdownButton : true;
},
},
watch: {
selectedLabels(selectedLabels) {
this.setInitialState({
selectedLabels,
});
},
showDropdownContents(showDropdownContents) {
this.setContentIsOnViewport(showDropdownContents);
},
isEditing(newVal) {
if (newVal) {
this.toggleDropdownContents();
}
},
},
mounted() {
this.setInitialState({
variant: this.variant,
allowLabelRemove: this.allowLabelRemove,
allowLabelEdit: this.allowLabelEdit,
allowLabelCreate: this.allowLabelCreate,
allowMultiselect: this.allowMultiselect,
allowScopedLabels: this.allowScopedLabels,
dropdownButtonText: this.dropdownButtonText,
selectedLabels: this.selectedLabels,
labelsFetchPath: this.labelsFetchPath,
labelsManagePath: this.labelsManagePath,
labelsFilterBasePath: this.labelsFilterBasePath,
labelsFilterParam: this.labelsFilterParam,
labelsListTitle: this.labelsListTitle,
footerCreateLabelTitle: this.footerCreateLabelTitle,
footerManageLabelTitle: this.footerManageLabelTitle,
});
this.$store.subscribeAction({
after: this.handleVuexActionDispatch,
});
document.addEventListener('mousedown', this.handleDocumentMousedown);
document.addEventListener('click', this.handleDocumentClick);
},
beforeDestroy() {
document.removeEventListener('mousedown', this.handleDocumentMousedown);
document.removeEventListener('click', this.handleDocumentClick);
},
methods: {
...mapActions(['setInitialState', 'toggleDropdownContents']),
/**
* This method differentiates between
* dispatched actions and calls necessary method.
*/
handleVuexActionDispatch(action, state) {
if (
action.type === 'toggleDropdownContents' &&
!state.showDropdownButton &&
!state.showDropdownContents
) {
let filterFn = (label) => label.touched;
if (this.isDropdownVariantEmbedded) {
filterFn = (label) => label.set;
}
this.handleDropdownClose(state.labels.filter(filterFn));
}
},
/**
* This method stores a mousedown event's target.
* Required by the click listener because the click
* event itself has no reference to this element.
*/
handleDocumentMousedown({ target }) {
this.mousedownTarget = target;
},
/**
* This method listens for document-wide click event
* and toggle dropdown if user clicks anywhere outside
* the dropdown while dropdown is visible.
*/
handleDocumentClick({ target }) {
// We also perform the toggle exception check for the
// last mousedown event's target to avoid hiding the
// box when the mousedown happened inside the box and
// only the mouseup did not.
if (
this.showDropdownContents &&
!this.preventDropdownToggleOnClick(target) &&
!this.preventDropdownToggleOnClick(this.mousedownTarget)
) {
this.toggleDropdownContents();
}
},
/**
* This method checks whether a given click target
* should prevent the dropdown from being toggled.
*/
preventDropdownToggleOnClick(target) {
// This approach of element detection is needed
// as the dropdown wrapper is not using `GlDropdown` as
// it will also require us to use `BDropdownForm`
// which is yet to be implemented in GitLab UI.
const hasExceptionClass = [
'js-dropdown-button',
'js-btn-cancel-create',
'js-sidebar-dropdown-toggle',
].some(
(className) =>
target?.classList.contains(className) ||
target?.parentElement?.classList.contains(className),
);
const hasExceptionParent = ['.js-btn-back', '.js-labels-list'].some(
(className) => $(target).parents(className).length,
);
const isInDropdownButtonCollapsed = this.$refs.dropdownButtonCollapsed?.$el.contains(target);
const isInDropdownContents = this.$refs.dropdownContents?.$el.contains(target);
return (
hasExceptionClass ||
hasExceptionParent ||
isInDropdownButtonCollapsed ||
isInDropdownContents
);
},
handleDropdownClose(labels) {
// Only emit label updates if there are any labels to update
// on UI.
if (labels.length) this.$emit('updateSelectedLabels', labels);
this.$emit('onDropdownClose');
},
handleCollapsedValueClick() {
this.$emit('toggleCollapse');
},
setContentIsOnViewport(showDropdownContents) {
if (!showDropdownContents) {
this.contentIsOnViewport = true;
return;
}
this.$nextTick(() => {
if (this.$refs.dropdownContents) {
this.contentIsOnViewport = isInViewport(this.$refs.dropdownContents.$el);
}
});
},
},
};
</script>
<template>
<div
class="labels-select-wrapper position-relative"
:class="{
'is-standalone': isDropdownVariantStandalone,
'is-embedded': isDropdownVariantEmbedded,
}"
>
<template v-if="isDropdownVariantSidebar">
<dropdown-value-collapsed
ref="dropdownButtonCollapsed"
:labels="issueLabels"
@onValueClick="handleCollapsedValueClick"
/>
<dropdown-title
:allow-label-edit="allowLabelEdit"
:labels-select-in-progress="labelsSelectInProgress"
/>
<dropdown-value
:disable-labels="labelsSelectInProgress"
:selected-labels="issueLabels"
:allow-label-remove="allowLabelRemove"
:allow-scoped-labels="allowScopedLabels"
:labels-filter-base-path="labelsFilterBasePath"
:labels-filter-param="labelsFilterParam"
@onLabelRemove="$emit('onLabelRemove', $event)"
>
<slot></slot>
</dropdown-value>
<dropdown-button v-show="dropdownButtonVisible" class="gl-mt-2" />
<dropdown-contents
v-show="dropdownButtonVisible && showDropdownContents"
ref="dropdownContents"
:render-on-top="!contentIsOnViewport"
:labels-create-title="labelsCreateTitle"
/>
</template>
<template v-if="isDropdownVariantStandalone || isDropdownVariantEmbedded">
<dropdown-button v-show="dropdownButtonVisible" />
<dropdown-contents
v-if="dropdownButtonVisible && showDropdownContents"
ref="dropdownContents"
:render-on-top="!contentIsOnViewport"
/>
</template>
</div>
</template>
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