From afffd4d234d551a50d1c1b41977bf8db87242a3d Mon Sep 17 00:00:00 2001
From: Andrew Kingston <andrew@kingston.dev>
Date: Thu, 2 Nov 2023 15:37:18 +0000
Subject: [PATCH] Add initial version of new date picker without time support

---
 packages/bbui/package.json                    |   1 +
 .../bbui/src/Form/Core/BBDatePicker.svelte    | 313 ++++++++++++++++++
 packages/bbui/src/index.js                    |   1 +
 .../pages/builder/portal/apps/index.svelte    |  31 ++
 yarn.lock                                     |   5 +
 5 files changed, 351 insertions(+)
 create mode 100644 packages/bbui/src/Form/Core/BBDatePicker.svelte

diff --git a/packages/bbui/package.json b/packages/bbui/package.json
index 78eed2b608..ccc59646b4 100644
--- a/packages/bbui/package.json
+++ b/packages/bbui/package.json
@@ -44,6 +44,7 @@
     "@spectrum-css/avatar": "3.0.2",
     "@spectrum-css/button": "3.0.1",
     "@spectrum-css/buttongroup": "3.0.2",
+    "@spectrum-css/calendar": "3.0.2",
     "@spectrum-css/checkbox": "3.0.2",
     "@spectrum-css/dialog": "3.0.1",
     "@spectrum-css/divider": "1.0.3",
diff --git a/packages/bbui/src/Form/Core/BBDatePicker.svelte b/packages/bbui/src/Form/Core/BBDatePicker.svelte
new file mode 100644
index 0000000000..d159b3dcd6
--- /dev/null
+++ b/packages/bbui/src/Form/Core/BBDatePicker.svelte
@@ -0,0 +1,313 @@
+<script>
+  import "@spectrum-css/calendar/dist/index-vars.css"
+  import "@spectrum-css/inputgroup/dist/index-vars.css"
+  import "@spectrum-css/textfield/dist/index-vars.css"
+  import "@spectrum-css/picker/dist/index-vars.css"
+  import Popover from "../../Popover/Popover.svelte"
+  import dayjs from "dayjs"
+  import { createEventDispatcher } from "svelte"
+
+  export let id = null
+  export let disabled = false
+  export let error = null
+  export let enableTime = true
+  export let value = null
+  export let placeholder = null
+  export let appendTo = undefined
+  export let ignoreTimezones = false
+  export let time24hr = false
+  export let range = false
+  export let flatpickr
+  export let useKeyboardShortcuts = true
+
+  const dispatch = createEventDispatcher()
+  const DaysOfWeek = [
+    "Monday",
+    "Tuesday",
+    "Wednesday",
+    "Thursday",
+    "Friday",
+    "Saturday",
+    "Sunday",
+  ]
+
+  let isOpen = false
+  let anchor
+  let calendar
+  let today = dayjs()
+  let activeMonth
+
+  $: parsedValue = parseValue(value)
+  $: displayValue = getDisplayValue(parsedValue)
+  $: activeMonth = dayjs(parsedValue || today).startOf("month")
+  $: mondays = getMondays(activeMonth)
+
+  const clearDateOnBackspace = event => {
+    if (["Backspace", "Clear", "Delete"].includes(event.key)) {
+      handleChange(null)
+      calendar.hide()
+    }
+  }
+
+  const onOpen = () => {
+    isOpen = true
+    if (useKeyboardShortcuts) {
+      document.addEventListener("keyup", clearDateOnBackspace)
+    }
+  }
+
+  const onClose = () => {
+    isOpen = false
+    if (useKeyboardShortcuts) {
+      document.removeEventListener("keyup", clearDateOnBackspace)
+    }
+  }
+
+  const parseValue = value => {
+    // Sanity check that we have a valid value
+    const parsedDate = dayjs(value)
+    if (!parsedDate?.isValid()) {
+      return null
+    }
+
+    // By rounding to the nearest second we avoid locking up in an endless
+    // loop in the builder, caused by potentially enriching {{ now }} to every
+    // millisecond.
+    return dayjs(Math.floor(parsedDate.valueOf() / 1000) * 1000)
+  }
+
+  const getDisplayValue = value => {
+    if (!value) {
+      return null
+    }
+    if (!enableTime) {
+      return value.format("MMMM D YYYY")
+    } else {
+      return value.format("MMMM D YYYY, HH:mm")
+    }
+  }
+
+  const getMondays = monthStart => {
+    if (!monthStart?.isValid()) {
+      return []
+    }
+    let monthEnd = monthStart.endOf("month")
+    let calendarStart = monthStart.startOf("week")
+    const numWeeks = Math.ceil((monthEnd.diff(calendarStart, "day") + 1) / 7)
+
+    let mondays = []
+    for (let i = 0; i < numWeeks; i++) {
+      mondays.push(calendarStart.add(i, "weeks"))
+    }
+    return mondays
+  }
+
+  const handleChange = date => {
+    if (!date) {
+      dispatch("change", null)
+      return
+    }
+
+    let newValue = date.toISOString()
+    const noTimezone = enableTime && ignoreTimezones
+
+    // For date-only fields, construct a manual timestamp string without a time
+    // or time zone
+    if (!enableTime) {
+      const year = date.year()
+      const month = `${date.month() + 1}`.padStart(2, "0")
+      const day = `${date.date()}`.padStart(2, "0")
+      newValue = `${year}-${month}-${day}T00:00:00.000`
+    }
+
+    // For non-timezone-aware fields, create an ISO 8601 timestamp of the exact
+    // time picked, without timezone
+    else if (noTimezone) {
+      const offset = new Date().getTimezoneOffset() * 60000
+      newValue = new Date(date.valueOf() - offset).toISOString().slice(0, -1)
+    }
+
+    dispatch("change", newValue)
+  }
+</script>
+
+<div
+  bind:this={anchor}
+  class:is-disabled={disabled}
+  class:is-invalid={!!error}
+  class="spectrum-InputGroup spectrum-Datepicker"
+  class:is-focused={isOpen}
+  aria-readonly="false"
+  aria-required="false"
+  aria-haspopup="true"
+  on:click={calendar.show}
+>
+  <div
+    class="spectrum-Textfield spectrum-InputGroup-textfield"
+    class:is-disabled={disabled}
+    class:is-invalid={!!error}
+  >
+    {#if !!error}
+      <svg
+        class="spectrum-Icon spectrum-Icon--sizeM spectrum-Textfield-validationIcon"
+        focusable="false"
+        aria-hidden="true"
+      >
+        <use xlink:href="#spectrum-icon-18-Alert" />
+      </svg>
+    {/if}
+    <input
+      {disabled}
+      data-input
+      type="text"
+      class="spectrum-Textfield-input spectrum-InputGroup-input"
+      class:is-disabled={disabled}
+      {placeholder}
+      {id}
+      value={displayValue}
+    />
+  </div>
+  <button
+    type="button"
+    class="spectrum-Picker spectrum-Picker--sizeM spectrum-InputGroup-button"
+    tabindex="-1"
+    class:is-disabled={disabled}
+    class:is-invalid={!!error}
+  >
+    <svg
+      class="spectrum-Icon spectrum-Icon--sizeM"
+      focusable="false"
+      aria-hidden="true"
+      aria-label="Calendar"
+    >
+      <use xlink:href="#spectrum-icon-18-Calendar" />
+    </svg>
+  </button>
+</div>
+
+<Popover
+  bind:this={calendar}
+  on:open={onOpen}
+  on:close={onClose}
+  {anchor}
+  align="left"
+>
+  <div class="spectrum-Calendar">
+    <div class="spectrum-Calendar-header">
+      <div
+        class="spectrum-Calendar-title"
+        role="heading"
+        aria-live="assertive"
+        aria-atomic="true"
+      >
+        {activeMonth.format("MMMM YYYY")}
+      </div>
+      <button
+        aria-label="Previous"
+        title="Previous"
+        class="spectrum-ActionButton spectrum-ActionButton--quiet spectrum-Calendar-prevMonth"
+        on:click={() => (activeMonth = activeMonth.subtract(1, "month"))}
+      >
+        <svg
+          class="spectrum-Icon spectrum-UIIcon-ChevronLeft100"
+          focusable="false"
+          aria-hidden="true"
+        >
+          <use xlink:href="#spectrum-css-icon-Chevron100" />
+        </svg>
+      </button>
+      <button
+        aria-label="Next"
+        title="Next"
+        class="spectrum-ActionButton spectrum-ActionButton--quiet spectrum-Calendar-nextMonth"
+        on:click={() => (activeMonth = activeMonth.add(1, "month"))}
+      >
+        <svg
+          class="spectrum-Icon spectrum-UIIcon-ChevronRight100"
+          focusable="false"
+          aria-hidden="true"
+        >
+          <use xlink:href="#spectrum-css-icon-Chevron100" />
+        </svg>
+      </button>
+    </div>
+    <div
+      class="spectrum-Calendar-body"
+      tabindex="0"
+      aria-readonly="true"
+      aria-disabled="false"
+    >
+      <table role="presentation" class="spectrum-Calendar-table">
+        <thead role="presentation">
+          <tr>
+            {#each DaysOfWeek as day}
+              <th scope="col" class="spectrum-Calendar-tableCell">
+                <abbr class="spectrum-Calendar-dayOfWeek" title={day}>
+                  {day[0]}
+                </abbr>
+              </th>
+            {/each}
+          </tr>
+        </thead>
+        <tbody role="presentation">
+          {#each mondays as monday}
+            <tr>
+              {#each [0, 1, 2, 3, 4, 5, 6] as dayOffset}
+                {@const date = monday.add(dayOffset, "days")}
+                {@const outsideMonth = date.month() !== activeMonth.month()}
+                <td
+                  class="spectrum-Calendar-tableCell"
+                  aria-disabled="true"
+                  aria-selected="false"
+                  aria-invalid="false"
+                  title={date.format("dddd, MMMM D, YYYY")}
+                  on:click={outsideMonth ? null : handleChange(date)}
+                >
+                  <span
+                    role="presentation"
+                    class="spectrum-Calendar-date"
+                    class:is-outsideMonth={outsideMonth}
+                    class:is-today={date.isSame(today, "day")}
+                    class:is-selected={date.isSame(parsedValue, "day")}
+                  >
+                    {date.date()}
+                  </span>
+                </td>
+              {/each}
+            </tr>
+          {/each}
+        </tbody>
+      </table>
+    </div>
+  </div>
+</Popover>
+
+<style>
+  .spectrum-Textfield-input {
+    pointer-events: none;
+  }
+  .spectrum-Textfield:not(.is-disabled):hover {
+    cursor: pointer;
+  }
+  .spectrum-Datepicker {
+    width: 100%;
+    overflow: hidden;
+  }
+  .spectrum-Datepicker .spectrum-Textfield {
+    width: 100%;
+  }
+  :global(.flatpickr-calendar) {
+    font-family: var(--font-sans);
+  }
+  .is-disabled {
+    pointer-events: none !important;
+  }
+
+  /* Calendar */
+  .spectrum-Calendar {
+    padding: 8px;
+  }
+  .is-outsideMonth {
+    pointer-events: none;
+  }
+</style>
diff --git a/packages/bbui/src/index.js b/packages/bbui/src/index.js
index cda6b5acbf..407a8c2cec 100644
--- a/packages/bbui/src/index.js
+++ b/packages/bbui/src/index.js
@@ -54,6 +54,7 @@ export { default as Notification } from "./Notification/Notification.svelte"
 export { default as SideNavigation } from "./SideNavigation/Navigation.svelte"
 export { default as SideNavigationItem } from "./SideNavigation/Item.svelte"
 export { default as DatePicker } from "./Form/DatePicker.svelte"
+export { default as BBDatePicker } from "./Form/Core/BBDatePicker.svelte"
 export { default as Multiselect } from "./Form/Multiselect.svelte"
 export { default as Context } from "./context"
 export { default as Table } from "./Table/Table.svelte"
diff --git a/packages/builder/src/pages/builder/portal/apps/index.svelte b/packages/builder/src/pages/builder/portal/apps/index.svelte
index 59267f37e7..828e620dba 100644
--- a/packages/builder/src/pages/builder/portal/apps/index.svelte
+++ b/packages/builder/src/pages/builder/portal/apps/index.svelte
@@ -10,6 +10,8 @@
     Notification,
     Body,
     Search,
+    DatePicker,
+    BBDatePicker,
   } from "@budibase/bbui"
   import Spinner from "components/common/Spinner.svelte"
   import CreateAppModal from "components/start/CreateAppModal.svelte"
@@ -202,9 +204,38 @@
       notifications.error("Error getting init info")
     }
   })
+
+  let foo = "2023-11-14T15:00:00"
 </script>
 
 <Page>
+  <div>
+    <h1>Date only</h1>
+    <div style="width: 240px;">
+      <BBDatePicker
+        enableTime={false}
+        value={foo}
+        on:change={e => (foo = e.detail)}
+      />
+    </div>
+    <h1>Date time</h1>
+    <div style="width: 240px;">
+      <BBDatePicker enableTime value={foo} on:change={e => (foo = e.detail)} />
+    </div>
+    <h1>Date time no timezone</h1>
+    <div style="width: 240px;">
+      <BBDatePicker
+        enableTime
+        ignoreTimezones
+        value={foo}
+        on:change={e => (foo = e.detail)}
+      />
+    </div>
+    <br />
+    <br />
+    <br />
+  </div>
+
   <Layout noPadding gap="L">
     {#each Object.keys(automationErrors || {}) as appId}
       <Notification
diff --git a/yarn.lock b/yarn.lock
index f573046394..d7d12abd15 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4808,6 +4808,11 @@
   resolved "https://registry.yarnpkg.com/@spectrum-css/buttongroup/-/buttongroup-3.0.2.tgz#fd3387973ca3131609e32112de42a1c0400a48d8"
   integrity sha512-Wu7B4GJ/SAeVHz9SUGAkeIH8pLaZh4t+w2ykSKOPQIRuK2jCBoudkEClVxviNVwqekccf5XLFXg9GpYF1a3Uaw==
 
+"@spectrum-css/calendar@3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@spectrum-css/calendar/-/calendar-3.0.2.tgz#42030f481fd3f21abc78329a08ade9b2e89d98af"
+  integrity sha512-Wr15PK5m+ReB86dNUgCQEJJBPFIpU1Xkt3ipDT5H1W+d0to6kWChA9L9lhNmoUaJ1HKLhEDgIZ1cmxLPGyMdQA==
+
 "@spectrum-css/card@^3.0.3":
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@spectrum-css/card/-/card-3.0.3.tgz#56b2e2da6b80c1583228baa279de7407383bfb6b"