Merge pull request #128 from Conor-Mack/feature/menu

Completed MD Menu component

packages/materialdesign-components/package.json

@@ -45,6 +45,7 @@
     "@material/data-table": "4.0.0",
     "@material/form-field": "^4.0.0",
     "@material/list": "4.0.0",
+    "@material/menu": "4.0.0",
     "@material/radio": "^4.0.0",
     "@material/textfield": "^4.0.0"
   }

packages/materialdesign-components/src/List/List.svelte

@@ -1,64 +1,71 @@
 <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"
+  import { onMount, getContext } 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")
+  const cb = new ClassBuilder("list", ["one-line"]);
 
-  let list = null
-  let instance = null
+  let list = null;
+  let instance = null;
 
-  export let onSelect = selectedItems => {}
+  export let onSelect = selectedItems => {};
 
-  export let variant = ""
+  export let variant = "one-line";
   //items: [{text: string | {primary: string, secondary: string}, value: any, selected: bool}...n]
-  export let items = []
-  export let singleSelection = false
-  export let inputElement = null
+  export let items = [];
+  export let singleSelection = false;
+  export let inputElement = null;
+
+  let role = "listbox";
 
   onMount(() => {
     if (!!list) {
-      instance = new MDCList(list)
-      instance.singleSelection = singleSelection
-      instance.listElements.map(element => new MDCRipple(element))
+      instance = new MDCList(list);
+      instance.singleSelection = singleSelection;
+      instance.listElements.map(element => new MDCRipple(element));
     }
 
-    return () => {
-      instance && instance.destroy()
-      instance = null
+    let context = getContext("BBMD:list:context");
+    if (context === "menu") {
+      role = "menu";
     }
-  })
+
+    return () => {
+      instance && instance.destroy();
+      instance = null;
+    };
+  });
 
   function handleSelectedItem(item) {
     if (!item.disabled) {
       if (singleSelection || inputElement === "radiobutton") {
         items.forEach(i => {
-          if (i.selected) i.selected = false
-        })
+          if (i.selected) i.selected = false;
+        });
       }
 
-      let idx = items.indexOf(item)
+      let idx = items.indexOf(item);
       if (!!item.selected) {
-        items[idx].selected = !item.selected
+        items[idx].selected = !item.selected;
       } else {
-        items[idx].selected = true
+        items[idx].selected = true;
       }
-      onSelect(items.filter(item => item.selected))
+      onSelect(items.filter(item => item.selected));
     }
   }
 
   $: useDoubleLine =
     variant == "two-line" &&
-    items.every(i => typeof i.text == "object" && "primary" in i.text)
+    items.every(i => typeof i.text == "object" && "primary" in i.text);
 
-  $: modifiers = { variant }
-  $: props = { modifiers }
-  $: listClass = cb.build({ props })
+  $: modifiers = { variant };
+  $: props = { modifiers };
+  $: listClass = cb.build({ props });
 </script>
 
-<div class={listClass} role="listbox">
+<ul class={listClass} {role}>
   {#each items as item, i}
     <ListItem
       {item}
@@ -69,4 +76,4 @@
       <li role="separator" class="mdc-list-divider" />
     {/if}
   {/each}
-</div>
+</ul>

packages/materialdesign-components/src/List/ListItem.svelte

@@ -1,30 +1,39 @@
 <script>
-  import { setContext } from "svelte"
-  import { Radiobutton } from "../Radiobutton"
-  import { Checkbox } from "../Checkbox"
-  import ClassBuilder from "../ClassBuilder.js"
+  import { onMount, getContext } from "svelte";
+  import { Radiobutton } from "../Radiobutton";
+  import { Checkbox } from "../Checkbox";
+  import ClassBuilder from "../ClassBuilder.js";
 
-  const cb = new ClassBuilder("list-item")
+  const cb = new ClassBuilder("list-item");
 
-  export let onClick = item => {}
+  export let onClick = item => {};
 
-  export let item = null
-  export let useDoubleLine = false
-  export let inputElement = null //radiobutton or checkbox
+  export let item = null;
+  export let useDoubleLine = false;
+  export let inputElement = null; //radiobutton or checkbox
+
+  let role = "option";
+
+  onMount(() => {
+    let context = getContext("BBMD:list:context");
+    if (context === "menu") {
+      role = "menuitem";
+    }
+  });
 
   $: if (!!inputElement) {
-    setContext("BBMD:input:context", "list-item")
+    setContext("BBMD:input:context", "list-item");
   }
 
   $: modifiers = {
     selected: !inputElement ? item.selected : null,
-    disabled: item.disabled,
-  }
-  $: props = { modifiers }
-  $: listItemClass = cb.build({ props })
+    disabled: item.disabled
+  };
+  $: props = { modifiers };
+  $: listItemClass = cb.build({ props });
 
   $: useSecondaryText =
-    typeof item.text === "object" && "secondary" in item.text
+    typeof item.text === "object" && "secondary" in item.text;
 </script>
 
 <li

packages/materialdesign-components/src/Menu/Menu.svelte

@@ -0,0 +1,50 @@
+<script>
+  import { List } from "../List";
+  import { MDCMenu } from "@material/menu";
+  import { onMount, setContext } from "svelte";
+  export let items = [];
+  export let singleSelection = true;
+  export let width = "400px";
+  export let open = true;
+  export let useFixedPosition = false;
+  export let useAbsolutePosition = false;
+  //{x: number, y: number}
+  export let absolutePositionCoords = null;
+
+  let menu = null;
+  let instance = null;
+
+  onMount(() => {
+    if (!!menu) {
+      instance = new MDCMenu(menu);
+      instance.open = open;
+      if (useFixedPosition) {
+        instance.setFixedPosition(true);
+      } else if (useAbsolutePosition) {
+        let { x, y } = absolutePositionCoords;
+        instance.setAbsolutePosition(x | 0, y | 0);
+      }
+    }
+    setContext("BBMD:list:context", "menu");
+  });
+</script>
+
+{#if useFixedPosition || useAbsolutePosition}
+  <div
+    bind:this={menu}
+    class="mdc-menu mdc-menu-surface"
+    style={`width: ${width}`}>
+    <List {items} {singleSelection} />
+  </div>
+{:else}
+  <div class="mdc-menu-surface--anchor">
+    <!-- Will automatically anchor to slotted element -->
+    <slot />
+    <div
+      bind:this={menu}
+      class="mdc-menu mdc-menu-surface"
+      style={`width: ${width}`}>
+      <List {items} {singleSelection} />
+    </div>
+  </div>
+{/if}

packages/materialdesign-components/src/Menu/_styles.scss

@@ -0,0 +1,2 @@
+@import "@material/menu-surface/mdc-menu-surface.scss";
+@import "@material/menu/mdc-menu.scss";

packages/materialdesign-components/src/Menu/index.js

@@ -0,0 +1,2 @@
+import "./_styles.scss";
+export { default as Menu } from "./Menu.svelte";