platform/plugins/tracker-resources/src/components/milestones/MilestoneSelector.svelte

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// Copyright © 2022 Hardcore Engineering Inc.
// 
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
-->
<script lang="ts">
  import { DocumentQuery, Ref, SortingOrder } from '@hcengineering/core'
  import { IntlString, getEmbeddedLabel, translate } from '@hcengineering/platform'
  import { createQuery } from '@hcengineering/presentation'
  import { Milestone } from '@hcengineering/tracker'
  import type { ButtonKind, ButtonSize, LabelAndProps } from '@hcengineering/ui'
  import { Button, ButtonShape, Label, SelectPopup, eventToHTMLElement, showPopup, themeStore } from '@hcengineering/ui'
  import tracker from '../../plugin'
  import { milestoneStatusAssets } from '../../types'

  export let value: Ref<Milestone> | null | undefined
  export let space: DocumentQuery<Milestone>['space'] | undefined = undefined
  export let shouldShowLabel: boolean = true
  export let isEditable: boolean = true
  export let onChange: ((newMilestoneId: Ref<Milestone> | undefined) => void) | undefined = undefined
  export let popupPlaceholder: IntlString = tracker.string.AddToMilestone
  export let kind: ButtonKind = 'no-border'
  export let size: ButtonSize = 'small'
  export let shape: ButtonShape = undefined
  export let justify: 'left' | 'center' = 'center'
  export let width: string | undefined = 'min-content'
  export let onlyIcon: boolean = false
  export let enlargedText: boolean = false
  export let short: boolean = false
  export let focusIndex: number | undefined = undefined
  export let isAction: boolean = false

  export let showTooltip: LabelAndProps | undefined = undefined

  let selectedMilestone: Milestone | undefined
  let defaultMilestoneLabel = ''

  const query = createQuery()
  let rawMilestones: Milestone[] = []
  $: query.query(
    tracker.class.Milestone,
    space ? { space } : {},
    (res) => {
      rawMilestones = res
    },
    {
      sort: { targetDate: SortingOrder.Descending }
    }
  )

  $: handleSelectedMilestoneIdUpdated(value, rawMilestones)

  $: translate(tracker.string.Milestone, {}, $themeStore.language).then((result) => (defaultMilestoneLabel = result))
  const milestoneIcon = tracker.icon.Milestone
  $: milestoneText = shouldShowLabel ? selectedMilestone?.label ?? defaultMilestoneLabel : undefined

  const handleSelectedMilestoneIdUpdated = async (
    newMilestoneId: Ref<Milestone> | null | undefined,
    milestones: Milestone[]
  ) => {
    if (newMilestoneId === null || newMilestoneId === undefined) {
      selectedMilestone = undefined

      return
    }

    selectedMilestone = milestones.find((it) => it._id === newMilestoneId)
  }

  const getMilestoneInfo = (rawMilestones: Milestone[], sp: Milestone | undefined) => {
    return [
      {
        id: null,
        icon: tracker.icon.Milestone,
        label: tracker.string.NoMilestone,
        isSelected: sp === undefined
      },
      ...rawMilestones.map((p) => ({
        id: p._id,
        icon: tracker.icon.Milestone,
        text: p.label,
        isSelected: sp ? p._id === sp._id : false,
        category: milestoneStatusAssets[p.status]
      }))
    ]
  }

  $: milestones = getMilestoneInfo(rawMilestones, selectedMilestone)

  const handleMilestoneEditorOpened = async (event: MouseEvent): Promise<void> => {
    event.stopPropagation()
    if (!isEditable) {
      return
    }

    const milestoneInfo = milestones

    showPopup(
      SelectPopup,
      { value: milestoneInfo, placeholder: popupPlaceholder, searchable: true },
      eventToHTMLElement(event),
      onChange
    )
  }
</script>

{#if isAction}
  <SelectPopup
    value={milestones}
    placeholder={popupPlaceholder}
    searchable
    on:close={(evt) => {
      if (onChange !== undefined) onChange(evt.detail)
    }}
  />
{:else if onlyIcon || milestoneText === undefined}
  <Button
    {focusIndex}
    {kind}
    {size}
    {shape}
    {width}
    {justify}
    {showTooltip}
    icon={milestoneIcon}
    disabled={!isEditable}
    {short}
    on:click={handleMilestoneEditorOpened}
  />
{:else}
  <Button
    {focusIndex}
    {kind}
    {size}
    {shape}
    {width}
    {justify}
    {showTooltip}
    icon={milestoneIcon}
    disabled={!isEditable}
    notSelected={!value}
    {short}
    on:click={handleMilestoneEditorOpened}
  >
    <svelte:fragment slot="content">
      <span class="label {enlargedText ? 'text-base' : 'text-md'} overflow-label pointer-events-none">
        <Label label={getEmbeddedLabel(milestoneText)} />
      </span>
    </svelte:fragment>
  </Button>
{/if}