From b1c2780a728a55e90e5c06e0043de0b1d7c05555 Mon Sep 17 00:00:00 2001
From: Andrew Kingston <aptkingston@ssl-mail.com>
Date: Mon, 1 Feb 2021 13:15:35 +0000
Subject: [PATCH] Add reltationship field. Add common picker component to
 dedupe options and relationship fields. Add better animation and position to
 picker dropdowns

---
 .../design/AppPreview/componentStructure.json |   3 +-
 .../RelationshipFieldSelect.svelte            |   5 +
 .../PropertiesPanel/SettingsView.svelte       |   2 +
 packages/standard-components/manifest.json    |  23 ++++
 .../src/forms/OptionsField.svelte             |  76 ++-----------
 .../src/forms/Picker.svelte                   | 103 ++++++++++++++++++
 .../src/forms/RelationshipField.svelte        |  76 +++++++++++++
 .../standard-components/src/forms/index.js    |   1 +
 8 files changed, 223 insertions(+), 66 deletions(-)
 create mode 100644 packages/builder/src/components/design/PropertiesPanel/PropertyControls/RelationshipFieldSelect.svelte
 create mode 100644 packages/standard-components/src/forms/Picker.svelte
 create mode 100644 packages/standard-components/src/forms/RelationshipField.svelte

diff --git a/packages/builder/src/components/design/AppPreview/componentStructure.json b/packages/builder/src/components/design/AppPreview/componentStructure.json
index 53d657d4a2..485b429b23 100644
--- a/packages/builder/src/components/design/AppPreview/componentStructure.json
+++ b/packages/builder/src/components/design/AppPreview/componentStructure.json
@@ -15,7 +15,8 @@
       "booleanfield",
       "longformfield",
       "datetimefield",
-      "attachmentfield"
+      "attachmentfield",
+      "relationshipfield"
     ]
   },
   {
diff --git a/packages/builder/src/components/design/PropertiesPanel/PropertyControls/RelationshipFieldSelect.svelte b/packages/builder/src/components/design/PropertiesPanel/PropertyControls/RelationshipFieldSelect.svelte
new file mode 100644
index 0000000000..94e376dc27
--- /dev/null
+++ b/packages/builder/src/components/design/PropertiesPanel/PropertyControls/RelationshipFieldSelect.svelte
@@ -0,0 +1,5 @@
+<script>
+  import FormFieldSelect from "./FormFieldSelect.svelte"
+</script>
+
+<FormFieldSelect {...$$props} type="link" />
diff --git a/packages/builder/src/components/design/PropertiesPanel/SettingsView.svelte b/packages/builder/src/components/design/PropertiesPanel/SettingsView.svelte
index bfb97ea293..154e175f60 100644
--- a/packages/builder/src/components/design/PropertiesPanel/SettingsView.svelte
+++ b/packages/builder/src/components/design/PropertiesPanel/SettingsView.svelte
@@ -24,6 +24,7 @@
   import LongFormFieldSelect from "./PropertyControls/LongFormFieldSelect.svelte"
   import DateTimeFieldSelect from "./PropertyControls/DateTimeFieldSelect.svelte"
   import AttachmentFieldSelect from "./PropertyControls/AttachmentFieldSelect.svelte"
+  import RelationshipFieldSelect from "./PropertyControls/RelationshipFieldSelect.svelte"
 
   export let componentDefinition = {}
   export let componentInstance = {}
@@ -72,6 +73,7 @@
     "field/longform": LongFormFieldSelect,
     "field/datetime": DateTimeFieldSelect,
     "field/attachment": AttachmentFieldSelect,
+    "field/relationship": RelationshipFieldSelect,
   }
 
   const getControl = type => {
diff --git a/packages/standard-components/manifest.json b/packages/standard-components/manifest.json
index 107eead5f7..9733007bb9 100644
--- a/packages/standard-components/manifest.json
+++ b/packages/standard-components/manifest.json
@@ -1284,5 +1284,28 @@
         "key": "label"
       }
     ]
+  },
+  "relationshipfield": {
+    "name": "Relationship Picker",
+    "icon": "ri-edit-box-line",
+    "styleable": true,
+    "settings": [
+      {
+        "type": "field/relationship",
+        "label": "Field",
+        "key": "field"
+      },
+      {
+        "type": "text",
+        "label": "Label",
+        "key": "label"
+      },
+      {
+        "type": "text",
+        "label": "Placeholder",
+        "key": "placeholder",
+        "placeholder": "Choose an option"
+      }
+    ]
   }
 }
diff --git a/packages/standard-components/src/forms/OptionsField.svelte b/packages/standard-components/src/forms/OptionsField.svelte
index 6ff204b175..c7afc45fab 100644
--- a/packages/standard-components/src/forms/OptionsField.svelte
+++ b/packages/standard-components/src/forms/OptionsField.svelte
@@ -3,6 +3,7 @@
   import "@spectrum-css/popover/dist/index-vars.css"
   import "@spectrum-css/menu/dist/index-vars.css"
   import SpectrumField from "./SpectrumField.svelte"
+  import Picker from "./Picker.svelte"
 
   export let field
   export let label
@@ -17,6 +18,7 @@
   $: options = fieldSchema?.constraints?.inclusion ?? []
   $: placeholderText = placeholder || "Choose an option"
   $: isNull = $fieldState?.value == null || $fieldState?.value === ""
+  $: fieldText = isNull ? placeholderText : $fieldState?.value
 
   const selectOption = value => {
     fieldApi.setValue(value)
@@ -26,70 +28,14 @@
 
 <SpectrumField {field} {label} bind:fieldState bind:fieldApi bind:fieldSchema>
   {#if fieldState}
-    <button
-      id={$fieldState.fieldId}
-      class="spectrum-Picker"
-      class:is-invalid={!$fieldState.valid}
-      class:is-open={open}
-      aria-haspopup="listbox"
-      on:click={() => (open = true)}>
-      <span class="spectrum-Picker-label" class:is-placeholder={isNull}>
-        {isNull ? placeholderText : $fieldState.value}
-      </span>
-      {#if !$fieldState.valid}
-        <svg
-          class="spectrum-Icon spectrum-Icon--sizeM spectrum-Picker-validationIcon"
-          focusable="false"
-          aria-hidden="true"
-          aria-label="Folder">
-          <use xlink:href="#spectrum-icon-18-Alert" />
-        </svg>
-      {/if}
-      <svg
-        class="spectrum-Icon spectrum-UIIcon-ChevronDown100 spectrum-Picker-menuIcon"
-        focusable="false"
-        aria-hidden="true">
-        <use xlink:href="#spectrum-css-icon-Chevron100" />
-      </svg>
-    </button>
-    <div
-      class="spectrum-Popover spectrum-Popover--bottom spectrum-Picker-popover"
-      class:is-open={open}
-      style="z-index: 1;">
-      <ul class="spectrum-Menu" role="listbox">
-        <li
-          class="spectrum-Menu-item"
-          class:is-selected={isNull}
-          role="option"
-          aria-selected="true"
-          tabindex="0"
-          on:click={() => selectOption(null)}>
-          <span class="spectrum-Menu-itemLabel">{placeholderText}</span>
-          <svg
-            class="spectrum-Icon spectrum-UIIcon-Checkmark100 spectrum-Menu-checkmark spectrum-Menu-itemIcon"
-            focusable="false"
-            aria-hidden="true">
-            <use xlink:href="#spectrum-css-icon-Checkmark100" />
-          </svg>
-        </li>
-        {#each options as option}
-          <li
-            class="spectrum-Menu-item"
-            class:is-selected={option === $fieldState.value}
-            role="option"
-            aria-selected="true"
-            tabindex="0"
-            on:click={() => selectOption(option)}>
-            <span class="spectrum-Menu-itemLabel">{option}</span>
-            <svg
-              class="spectrum-Icon spectrum-UIIcon-Checkmark100 spectrum-Menu-checkmark spectrum-Menu-itemIcon"
-              focusable="false"
-              aria-hidden="true">
-              <use xlink:href="#spectrum-css-icon-Checkmark100" />
-            </svg>
-          </li>
-        {/each}
-      </ul>
-    </div>
+    <Picker
+      bind:open
+      {fieldState}
+      {fieldText}
+      {options}
+      isPlaceholder={isNull}
+      placeholderOption={placeholderText}
+      isOptionSelected={option => option === $fieldState.value}
+      onSelectOption={selectOption} />
   {/if}
 </SpectrumField>
diff --git a/packages/standard-components/src/forms/Picker.svelte b/packages/standard-components/src/forms/Picker.svelte
new file mode 100644
index 0000000000..a4a3804939
--- /dev/null
+++ b/packages/standard-components/src/forms/Picker.svelte
@@ -0,0 +1,103 @@
+<script>
+  import { fly } from "svelte/transition"
+
+  export let fieldState
+  export let fieldText = ""
+  export let isPlaceholder = false
+  export let placeholderOption = null
+  export let options = []
+  export let isOptionSelected = () => false
+  export let onSelectOption = () => {}
+  export let getOptionLabel = option => option
+  export let getOptionValue = option => option
+  export let open = false
+</script>
+
+{#if fieldState}
+  <button
+    id={$fieldState.fieldId}
+    class="spectrum-Picker"
+    class:is-invalid={!$fieldState.valid}
+    class:is-open={open}
+    aria-haspopup="listbox"
+    on:click={() => (open = true)}>
+    <span class="spectrum-Picker-label" class:is-placeholder={isPlaceholder}>
+      {fieldText}
+    </span>
+    {#if !$fieldState.valid}
+      <svg
+        class="spectrum-Icon spectrum-Icon--sizeM spectrum-Picker-validationIcon"
+        focusable="false"
+        aria-hidden="true"
+        aria-label="Folder">
+        <use xlink:href="#spectrum-icon-18-Alert" />
+      </svg>
+    {/if}
+    <svg
+      class="spectrum-Icon spectrum-UIIcon-ChevronDown100 spectrum-Picker-menuIcon"
+      focusable="false"
+      aria-hidden="true">
+      <use xlink:href="#spectrum-css-icon-Chevron100" />
+    </svg>
+  </button>
+  {#if open}
+    <div class="overlay" on:mousedown|self={() => (open = false)} />
+    <div
+      transition:fly={{ y: -20, duration: 200 }}
+      class="spectrum-Popover spectrum-Popover--bottom spectrum-Picker-popover is-open">
+      <ul class="spectrum-Menu" role="listbox">
+        {#if placeholderOption}
+          <li
+            class="spectrum-Menu-item"
+            class:is-selected={isPlaceholder}
+            role="option"
+            aria-selected="true"
+            tabindex="0"
+            on:click={() => onSelectOption(null)}>
+            <span class="spectrum-Menu-itemLabel">{placeholderOption}</span>
+            <svg
+              class="spectrum-Icon spectrum-UIIcon-Checkmark100 spectrum-Menu-checkmark spectrum-Menu-itemIcon"
+              focusable="false"
+              aria-hidden="true">
+              <use xlink:href="#spectrum-css-icon-Checkmark100" />
+            </svg>
+          </li>
+        {/if}
+        {#each options as option}
+          <li
+            class="spectrum-Menu-item"
+            class:is-selected={isOptionSelected(getOptionValue(option))}
+            role="option"
+            aria-selected="true"
+            tabindex="0"
+            on:click={() => onSelectOption(getOptionValue(option))}>
+            <span
+              class="spectrum-Menu-itemLabel">{getOptionLabel(option)}</span>
+            <svg
+              class="spectrum-Icon spectrum-UIIcon-Checkmark100 spectrum-Menu-checkmark spectrum-Menu-itemIcon"
+              focusable="false"
+              aria-hidden="true">
+              <use xlink:href="#spectrum-css-icon-Checkmark100" />
+            </svg>
+          </li>
+        {/each}
+      </ul>
+    </div>
+  {/if}
+{/if}
+
+<style>
+  .overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100vw;
+    height: 100vh;
+    z-index: 999;
+  }
+  .spectrum-Popover {
+    max-height: 240px;
+    width: var(--spectrum-global-dimension-size-2400);
+    z-index: 999;
+  }
+</style>
diff --git a/packages/standard-components/src/forms/RelationshipField.svelte b/packages/standard-components/src/forms/RelationshipField.svelte
new file mode 100644
index 0000000000..f015954575
--- /dev/null
+++ b/packages/standard-components/src/forms/RelationshipField.svelte
@@ -0,0 +1,76 @@
+<script>
+  import { getContext } from "svelte"
+  import SpectrumField from "./SpectrumField.svelte"
+  import Picker from "./Picker.svelte"
+
+  const { API } = getContext("sdk")
+
+  export let field
+  export let label
+
+  let fieldState
+  let fieldApi
+  let fieldSchema
+
+  // Picker state
+  let options = []
+  let tableDefinition
+
+  $: fieldText = `${$fieldState?.value?.length ?? 0} selected rows`
+  $: valueLookupMap = getValueLookupMap($fieldState?.value)
+  $: isOptionSelected = option => valueLookupMap[option] === true
+  $: linkedTableId = fieldSchema?.tableId
+  $: fetchRows(linkedTableId)
+  $: fetchTable(linkedTableId)
+
+  const fetchTable = async id => {
+    if (id != null) {
+      tableDefinition = await API.fetchTableDefinition(id)
+    }
+  }
+
+  const fetchRows = async id => {
+    if (id != null) {
+      options = await API.fetchTableData(id)
+    }
+  }
+
+  const getDisplayName = row => {
+    return row[tableDefinition?.primaryDisplay || "_id"]
+  }
+
+  const getValueLookupMap = value => {
+    let map = {}
+    if (value?.length) {
+      value.forEach(option => {
+        map[option] = true
+      })
+    }
+    return map
+  }
+
+  const toggleOption = option => {
+    if ($fieldState.value.includes(option)) {
+      fieldApi.setValue($fieldState.value.filter(x => x !== option))
+    } else {
+      fieldApi.setValue([...$fieldState.value, option])
+    }
+  }
+</script>
+
+<SpectrumField
+  {label}
+  {field}
+  bind:fieldState
+  bind:fieldApi
+  bind:fieldSchema
+  defaultValue={[]}>
+  <Picker
+    {fieldState}
+    {fieldText}
+    {options}
+    {isOptionSelected}
+    onSelectOption={toggleOption}
+    getOptionLabel={getDisplayName}
+    getOptionValue={option => option._id} />
+</SpectrumField>
diff --git a/packages/standard-components/src/forms/index.js b/packages/standard-components/src/forms/index.js
index aa97bd61d4..3998424db3 100644
--- a/packages/standard-components/src/forms/index.js
+++ b/packages/standard-components/src/forms/index.js
@@ -7,3 +7,4 @@ export { default as booleanfield } from "./BooleanField.svelte"
 export { default as longformfield } from "./LongFormField.svelte"
 export { default as datetimefield } from "./DateTimeField.svelte"
 export { default as attachmentfield } from "./AttachmentField.svelte"
+export { default as relationshipfield } from "./RelationshipField.svelte"