From 4e4470f240af2fbf81616520820b5732c73766e6 Mon Sep 17 00:00:00 2001
From: Conor_Mack <cmckeown101@gmail.com>
Date: Fri, 21 Feb 2020 13:39:18 +0000
Subject: [PATCH] Completed List Component and related changes to Radio and
 Check Components

---
 .../materialdesign-components/package.json    |  1 +
 .../src/Checkbox/Checkbox.svelte              | 82 +++++++++++++------
 .../src/List/List.svelte                      | 67 +++++++++++++++
 .../src/List/ListItem.svelte                  | 59 +++++++++++++
 .../src/List/_style.scss                      |  1 +
 .../src/List/index.js                         |  2 +
 .../src/Radiobutton/Radiobutton.svelte        | 38 +++++++--
 .../src/Radiobutton/RadiobuttonGroup.svelte   |  2 +-
 .../src/Test/TestApp.svelte                   |  4 +-
 .../src/Test/props.js                         | 19 +++++
 .../materialdesign-components/src/index.js    |  1 +
 11 files changed, 244 insertions(+), 32 deletions(-)
 create mode 100644 packages/materialdesign-components/src/List/List.svelte
 create mode 100644 packages/materialdesign-components/src/List/ListItem.svelte
 create mode 100644 packages/materialdesign-components/src/List/_style.scss
 create mode 100644 packages/materialdesign-components/src/List/index.js

diff --git a/packages/materialdesign-components/package.json b/packages/materialdesign-components/package.json
index 22a172766f..02997ee31e 100644
--- a/packages/materialdesign-components/package.json
+++ b/packages/materialdesign-components/package.json
@@ -44,6 +44,7 @@
     "@material/checkbox": "^4.0.0",
     "@material/data-table": "4.0.0",
     "@material/form-field": "^4.0.0",
+    "@material/list": "4.0.0",
     "@material/radio": "^4.0.0",
     "@material/textfield": "^4.0.0"
   }
diff --git a/packages/materialdesign-components/src/Checkbox/Checkbox.svelte b/packages/materialdesign-components/src/Checkbox/Checkbox.svelte
index 7466e84be2..bfe861f373 100644
--- a/packages/materialdesign-components/src/Checkbox/Checkbox.svelte
+++ b/packages/materialdesign-components/src/Checkbox/Checkbox.svelte
@@ -1,41 +1,73 @@
 <script>
-  import { onMount, onDestroy, getContext } from "svelte";
-  import Formfield from "../Common/Formfield.svelte";
-  import { fieldStore } from "../Common/FormfieldStore.js";
-  import ClassBuilder from "../ClassBuilder.js";
-  import { MDCCheckbox } from "@material/checkbox";
+  import { onMount, onDestroy, getContext } from "svelte"
+  import Formfield from "../Common/Formfield.svelte"
+  import { fieldStore } from "../Common/FormfieldStore.js"
+  import ClassBuilder from "../ClassBuilder.js"
+  import { MDCCheckbox } from "@material/checkbox"
 
-  export let onClick = item => {};
+  export let onClick = item => {}
 
-  export let id = "";
-  export let label = "";
-  export let disabled = false;
-  export let alignEnd = false;
-  export let indeterminate = false;
-  export let checked = false;
+  export let id = ""
+  export let label = ""
+  export let disabled = false
+  export let alignEnd = false
+  export let indeterminate = false
+  export let checked = false
 
-  let instance = null;
-  let checkbox = null;
+  let instance = null
+  let checkbox = null
+
+  let context = getContext("BBMD:input:context")
 
   onMount(() => {
     if (!!checkbox) {
-      instance = new MDCCheckbox(checkbox);
-      let fieldStore = getContext("BBMD:field-element");
-      fieldStore.setInput(instance);
-      instance.indeterminate = indeterminate;
+      instance = new MDCCheckbox(checkbox)
+      instance.indeterminate = indeterminate
+      if (context !== "list-item") {
+        let fieldStore = getContext("BBMD:field-element")
+        fieldStore.setInput(instance)
+      }
     }
-  });
+  })
 
-  const cb = new ClassBuilder("checkbox");
-  let modifiers = { disabled };
-  let props = { modifiers };
+  let extras = null
 
-  const blockClass = cb.build({ props });
+  if (context === "list-item") {
+    extras = ["mdc-list-item__meta"]
+  }
+
+  const cb = new ClassBuilder("checkbox")
+  let modifiers = { disabled }
+  let props = { modifiers, extras }
+
+  const blockClass = cb.build({ props })
 </script>
 
 <!-- TODO: Customizing Colour and Density - What level of customization for these things does Budibase need here? -->
 
-<Formfield {label} {id} {alignEnd}>
+{#if context !== 'list-item'}
+  <Formfield {label} {id} {alignEnd}>
+    <div bind:this={checkbox} class={blockClass}>
+      <input
+        type="checkbox"
+        class={cb.elem`native-control`}
+        {id}
+        {disabled}
+        {checked}
+        on:click={onClick} />
+      <div class={cb.elem`background`}>
+        <svg class={cb.elem`checkmark`} viewBox="0 0 24 24">
+          <path
+            class={cb.elem`checkmark-path`}
+            fill="none"
+            d="M1.73,12.91 8.1,19.28 22.79,4.59" />
+        </svg>
+        <div class={cb.elem`mixedmark`} />
+      </div>
+      <div class={cb.elem`ripple`} />
+    </div>
+  </Formfield>
+{:else}
   <div bind:this={checkbox} class={blockClass}>
     <input
       type="checkbox"
@@ -55,4 +87,4 @@
     </div>
     <div class={cb.elem`ripple`} />
   </div>
-</Formfield>
+{/if}
diff --git a/packages/materialdesign-components/src/List/List.svelte b/packages/materialdesign-components/src/List/List.svelte
new file mode 100644
index 0000000000..ddfb208119
--- /dev/null
+++ b/packages/materialdesign-components/src/List/List.svelte
@@ -0,0 +1,67 @@
+<script>
+  import { onMount } from "svelte";
+  import { MDCList } from "@material/list";
+  import { MDCRipple } from "@material/ripple";
+  import ListItem from "./ListItem.svelte";
+  import ClassBuilder from "../ClassBuilder.js";
+
+  const cb = new ClassBuilder("list");
+
+  let list = null;
+  let instance = null;
+
+  export let onSelect = selectedItems => {};
+
+  export let variant = "";
+  //items: [{text: string | {primary: string, secondary: string}, value: any, selected: bool}...n]
+  export let items = [];
+  export let singleSelection = false;
+  export let inputElement = null;
+
+  onMount(() => {
+    if (!!list) {
+      instance = new MDCList(list);
+      instance.singleSelection = singleSelection;
+      instance.listElements.map(element => new MDCRipple(element));
+    }
+
+    return () => {
+      instance && instance.destroy();
+      instance = null;
+    };
+  });
+
+  function handleSelectedItem(item) {
+    if (singleSelection || inputElement === "radiobutton") {
+      items.forEach(i => {
+        if (i.selected) i.selected = false;
+      });
+    }
+
+    let idx = items.indexOf(item);
+    if (!!item.selected) {
+      items[idx].selected = !item.selected;
+    } else {
+      items[idx].selected = true;
+    }
+    onSelect(items.filter(item => item.selected));
+  }
+
+  $: useDoubleLine =
+    variant == "two-line" &&
+    items.every(i => typeof i.text == "object" && "primary" in i.text);
+
+  $: modifiers = { variant };
+  $: props = { modifiers };
+  $: listClass = cb.build({ props });
+</script>
+
+<div class={listClass} role="listbox">
+  {#each items as item, i}
+    <ListItem
+      {item}
+      {useDoubleLine}
+      {inputElement}
+      onClick={() => handleSelectedItem(item)} />
+  {/each}
+</div>
diff --git a/packages/materialdesign-components/src/List/ListItem.svelte b/packages/materialdesign-components/src/List/ListItem.svelte
new file mode 100644
index 0000000000..d2b72b1166
--- /dev/null
+++ b/packages/materialdesign-components/src/List/ListItem.svelte
@@ -0,0 +1,59 @@
+<script>
+  import { setContext } from "svelte";
+  import { Radiobutton } from "../Radiobutton";
+  import { Checkbox } from "../Checkbox";
+  import ClassBuilder from "../ClassBuilder.js";
+
+  const cb = new ClassBuilder("list-item");
+
+  export let onClick = item => {};
+
+  export let item = null;
+  export let useDoubleLine = false;
+  export let inputElement = null; //radiobutton or checkbox
+
+  $: if (!!inputElement) {
+    setContext("BBMD:input:context", "list-item");
+  }
+
+  $: modifiers = { selected: !inputElement ? item.selected : null };
+  $: props = { modifiers };
+  $: listItemClass = cb.build({ props });
+
+  $: useSecondaryText =
+    typeof item.text === "object" && "secondary" in item.text;
+</script>
+
+<li
+  class={listItemClass}
+  role="option"
+  aria-selected={item.selected}
+  tabindex="0"
+  on:click={onClick}>
+  {#if item.leadingIcon}
+    <span class="mdc-list-item__graphic material-icons" aria-hidden="true">
+      {item.leadingIcon}
+    </span>
+  {/if}
+  <span class={cb.elem`text`}>
+    {#if useDoubleLine}
+      <span class={cb.elem`primary-text`}>{item.text.primary}</span>
+      {#if useSecondaryText}
+        <span class={cb.elem`secondary-text`}>{item.text.secondary}</span>
+      {/if}
+    {:else}{item.text}{/if}
+  </span>
+
+  {#if inputElement}
+    {#if inputElement === 'radiobutton'}
+      <Radiobutton checked={item.selected} />
+    {:else if inputElement === 'checkbox'}
+      <Checkbox checked={item.selected} />
+    {/if}
+  {:else if item.trailingIcon}
+    <!-- TODO: Adapt label to accept class prop to handle this. Context is insufficient -->
+    <span class="mdc-list-item__meta material-icons" aria-hidden="true">
+      {item.trailingIcon}
+    </span>
+  {/if}
+</li>
diff --git a/packages/materialdesign-components/src/List/_style.scss b/packages/materialdesign-components/src/List/_style.scss
new file mode 100644
index 0000000000..7ebce7254c
--- /dev/null
+++ b/packages/materialdesign-components/src/List/_style.scss
@@ -0,0 +1 @@
+@import "@material/list/mdc-list.scss";
diff --git a/packages/materialdesign-components/src/List/index.js b/packages/materialdesign-components/src/List/index.js
new file mode 100644
index 0000000000..1db72f9273
--- /dev/null
+++ b/packages/materialdesign-components/src/List/index.js
@@ -0,0 +1,2 @@
+import "./_style.scss";
+export { default as List } from "./List.svelte";
diff --git a/packages/materialdesign-components/src/Radiobutton/Radiobutton.svelte b/packages/materialdesign-components/src/Radiobutton/Radiobutton.svelte
index 9ebc5bb7f2..9b4c475241 100644
--- a/packages/materialdesign-components/src/Radiobutton/Radiobutton.svelte
+++ b/packages/materialdesign-components/src/Radiobutton/Radiobutton.svelte
@@ -16,22 +16,50 @@
   let instance = null
   let radiobtn = null
 
+  let context = getContext("BBMD:input:context")
+
   onMount(() => {
     if (!!radiobtn) {
       instance = new MDCRadio(radiobtn)
-      let fieldStore = getContext("BBMD:field-element")
-      fieldStore.setInput(instance)
+      if (context !== "list-item") {
+        let fieldStore = getContext("BBMD:field-element")
+        fieldStore.setInput(instance)
+      }
     }
   })
 
+  let extras = null
+
+  if (context === "list-item") {
+    extras = ["mdc-list-item__meta"]
+  }
+
   const cb = new ClassBuilder("radio")
   let modifiers = { disabled }
-  let props = { modifiers }
+  let props = { modifiers, extras }
 
   const blockClass = cb.build({ props })
 </script>
 
-<Formfield {id} {label} {alignEnd}>
+{#if context !== 'list-item'}
+  <Formfield {id} {label} {alignEnd}>
+    <div class={blockClass}>
+      <input
+        {id}
+        class={cb.elem`native-control`}
+        type="radio"
+        {name}
+        {checked}
+        {disabled}
+        on:click={onClick} />
+      <div class={cb.elem`background`}>
+        <div class={cb.elem`outer-circle`} />
+        <div class={cb.elem`inner-circle`} />
+      </div>
+      <div class={cb.elem`ripple`} />
+    </div>
+  </Formfield>
+{:else}
   <div class={blockClass}>
     <input
       {id}
@@ -47,4 +75,4 @@
     </div>
     <div class={cb.elem`ripple`} />
   </div>
-</Formfield>
+{/if}
diff --git a/packages/materialdesign-components/src/Radiobutton/RadiobuttonGroup.svelte b/packages/materialdesign-components/src/Radiobutton/RadiobuttonGroup.svelte
index 350251549f..c0b083db3c 100644
--- a/packages/materialdesign-components/src/Radiobutton/RadiobuttonGroup.svelte
+++ b/packages/materialdesign-components/src/Radiobutton/RadiobuttonGroup.svelte
@@ -37,7 +37,7 @@
           {name}
           {alignEnd}
           label={item.label}
-          checked={item.checked}
+          checked={item.checked || false}
           onClick={() => handleOnClick(item)} />
       </div>
     {/each}
diff --git a/packages/materialdesign-components/src/Test/TestApp.svelte b/packages/materialdesign-components/src/Test/TestApp.svelte
index 229f5293e9..6fce993281 100644
--- a/packages/materialdesign-components/src/Test/TestApp.svelte
+++ b/packages/materialdesign-components/src/Test/TestApp.svelte
@@ -13,6 +13,7 @@
     Radiobuttongroup,
     Datatable,
     CustomersIndexTable,
+    List,
   } = props
 
   let currentComponent
@@ -33,7 +34,8 @@
             Radiobutton,
             Radiobuttongroup,
             Datatable,
-            CustomersIndexTable
+            CustomersIndexTable,
+            List,
           ],
         },
       }
diff --git a/packages/materialdesign-components/src/Test/props.js b/packages/materialdesign-components/src/Test/props.js
index 43da839f65..d199d7ff67 100644
--- a/packages/materialdesign-components/src/Test/props.js
+++ b/packages/materialdesign-components/src/Test/props.js
@@ -103,4 +103,23 @@ export const props = {
   },
 
   CustomersIndexTable: indexDatatable(templateOptions)[0].props,
+  List: {
+    _component: "@budibase/materialdesign-components/List",
+    _children: [],
+    variant: "two-line",
+    singleSelection: true,
+    items: [
+      {
+        text: { primary: "Curry", secondary: "Chicken or Beef" },
+        value: 0,
+      },
+      {
+        text: { primary: "Pastie", secondary: "Bap with Mayo" },
+        value: 1,
+        selected: true,
+      },
+      { text: { primary: "Fish", secondary: "Salmon or Cod" }, value: 2 },
+    ],
+    onSelect: selected => console.log(selected),
+  },
 }
diff --git a/packages/materialdesign-components/src/index.js b/packages/materialdesign-components/src/index.js
index 92bdf2ca8e..88ca8190c4 100644
--- a/packages/materialdesign-components/src/index.js
+++ b/packages/materialdesign-components/src/index.js
@@ -15,3 +15,4 @@ export {
   DatatableRow,
 } from "./Datatable"
 export { default as indexDatatable } from "./Templates/indexDatatable"
+export { List } from "./List"