From 913f2e28811569d2c7776066349dc820ad40f75e Mon Sep 17 00:00:00 2001
From: Shariq Ansari <sharique.rik@gmail.com>
Date: Wed, 24 Jan 2024 20:24:55 +0530
Subject: [PATCH] fix: added contact email dropdown in multiselectinput

---
 .../components/Controls/MultiselectInput.vue  | 167 +++++++++++++++---
 1 file changed, 146 insertions(+), 21 deletions(-)

diff --git a/frontend/src/components/Controls/MultiselectInput.vue b/frontend/src/components/Controls/MultiselectInput.vue
index ed998bf7..4de5f905 100644
--- a/frontend/src/components/Controls/MultiselectInput.vue
+++ b/frontend/src/components/Controls/MultiselectInput.vue
@@ -2,11 +2,14 @@
   <div>
     <div class="flex flex-wrap gap-1">
       <Button
+        ref="emails"
         v-for="value in values"
+        :key="value"
         :label="value"
         theme="gray"
         variant="subtle"
         class="rounded-full"
+        @keydown.delete.capture.stop="removeLastValue"
       >
         <template #suffix>
           <FeatherIcon
@@ -16,21 +19,83 @@
           />
         </template>
       </Button>
-      <TextInput
-        class="min-w-20 flex-1 border-none bg-white hover:bg-white focus:border-none focus:!shadow-none focus-visible:!ring-0"
-        v-model="currentValue"
-        @keydown.enter.capture.stop="addValue"
-        @keydown.tab.capture.stop="addValue"
-        @keydown.delete.capture.stop="removeLastValue"
-        @keydown.meta.delete.capture.stop="removeAllValue"
-      />
+      <div class="flex-1">
+        <Combobox v-model="selectedValue" nullable>
+          <Popover class="w-full" v-model:show="showOptions">
+            <template #target="{ togglePopover }">
+              <ComboboxInput
+                ref="search"
+                class="search-input form-input w-full border-none bg-white hover:bg-white focus:border-none focus:!shadow-none focus-visible:!ring-0"
+                type="text"
+                :value="query"
+                @change="
+                  (e) => {
+                    query = e.target.value
+                    showOptions = true
+                  }
+                "
+                autocomplete="off"
+                @focus="() => togglePopover()"
+                @keydown.delete.capture.stop="removeLastValue"
+              />
+            </template>
+            <template #body="{ isOpen }">
+              <div v-show="isOpen">
+                <div class="mt-1 rounded-lg bg-white py-1 text-base shadow-2xl">
+                  <ComboboxOptions
+                    class="my-1 max-h-[12rem] overflow-y-auto px-1.5"
+                    static
+                  >
+                    <ComboboxOption
+                      v-for="option in filterOptions"
+                      :key="option.value"
+                      :value="option"
+                      v-slot="{ active }"
+                    >
+                      <li
+                        :class="[
+                          'flex cursor-pointer items-center rounded px-2 py-1 text-base',
+                          { 'bg-gray-100': active },
+                        ]"
+                      >
+                        <UserAvatar
+                          class="mr-2"
+                          :user="option.value"
+                          size="lg"
+                        />
+                        <div class="flex flex-col gap-1 p-1 text-gray-800">
+                          <div class="text-base font-medium">
+                            {{ option.label }}
+                          </div>
+                          <div class="text-sm text-gray-600">
+                            {{ option.value }}
+                          </div>
+                        </div>
+                      </li>
+                    </ComboboxOption>
+                  </ComboboxOptions>
+                </div>
+              </div>
+            </template>
+          </Popover>
+        </Combobox>
+      </div>
     </div>
     <ErrorMessage class="mt-2 pl-2" v-if="error" :message="error" />
   </div>
 </template>
 
 <script setup>
-import { ref, defineModel } from 'vue'
+import {
+  Combobox,
+  ComboboxInput,
+  ComboboxOptions,
+  ComboboxOption,
+} from '@headlessui/vue'
+import UserAvatar from '@/components/UserAvatar.vue'
+import { contactsStore } from '@/stores/contacts'
+import { Popover } from 'frappe-ui'
+import { ref, defineModel, computed, nextTick } from 'vue'
 
 const props = defineProps({
   validate: {
@@ -44,13 +109,64 @@ const props = defineProps({
 })
 
 const values = defineModel()
-const currentValue = ref('')
-const error = ref(null)
 
-const addValue = () => {
+const { contacts } = contactsStore()
+
+const emails = ref([])
+const search = ref(null)
+const error = ref(null)
+const query = ref('')
+const showOptions = ref(false)
+
+const emailList = computed(() => {
+  return (
+    contacts.data
+      ?.filter((contact) => contact.email_id)
+      .map((contact) => {
+        return {
+          label: contact.full_name || contact.email_id,
+          value: contact.email_id,
+        }
+      }) || []
+  )
+})
+
+const selectedValue = computed({
+  get: () => query.value || '',
+  set: (val) => {
+    query.value = ''
+    if (val) {
+      showOptions.value = false
+    }
+    addValue(val.value)
+  },
+})
+
+const filterOptions = computed(() => {
+  if (!query.value) {
+    return emailList.value
+  }
+  let filteredList = emailList.value?.filter((option) => {
+    let searchTexts = [option.label, option.value]
+    return searchTexts.some((text) =>
+      (text || '').toString().toLowerCase().includes(query.value.toLowerCase())
+    )
+  })
+
+  if (filteredList.length === 0) {
+    filteredList.push({
+      label: query.value,
+      value: query.value,
+    })
+  }
+
+  return filteredList
+})
+
+const addValue = (value) => {
   error.value = null
-  if (currentValue.value) {
-    const splitValues = currentValue.value.split(',')
+  if (value) {
+    const splitValues = value.split(',')
     splitValues.forEach((value) => {
       value = value.trim()
       if (value) {
@@ -63,11 +179,11 @@ const addValue = () => {
           }
           // add value to values array
           values.value.push(value)
-          currentValue.value = currentValue.value.replace(value, '')
+          value = value.replace(value, '')
         }
       }
     })
-    !error.value && (currentValue.value = '')
+    !error.value && (value = '')
   }
 }
 
@@ -75,13 +191,22 @@ const removeValue = (value) => {
   values.value = values.value.filter((v) => v !== value)
 }
 
-const removeAllValue = () => {
-  values.value = []
-}
-
 const removeLastValue = () => {
-  if (!currentValue.value) {
+  if (query.value) return
+
+  let emailRef = emails.value[emails.value.length - 1].$el
+  if (document.activeElement === emailRef) {
     values.value.pop()
+    nextTick(() => {
+      if (values.value.length) {
+        emailRef = emails.value[emails.value.length - 1].$el
+        emailRef.focus()
+      } else {
+        search.value.$el.focus()
+      }
+    })
+  } else {
+    emailRef.focus()
   }
 }
 </script>