From a640703f2da8815dc26ad1600a6f206be1624379 Mon Sep 17 00:00:00 2001
From: ivarlovlie <git@ivarlovlie.no>
Date: Wed, 1 Jun 2022 22:10:32 +0200
Subject: feat: Initial after clean slate

---
 apps/web-shared/src/components/menu/menu.svelte | 54 +++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 apps/web-shared/src/components/menu/menu.svelte

(limited to 'apps/web-shared/src/components/menu/menu.svelte')

diff --git a/apps/web-shared/src/components/menu/menu.svelte b/apps/web-shared/src/components/menu/menu.svelte
new file mode 100644
index 0000000..33b1160
--- /dev/null
+++ b/apps/web-shared/src/components/menu/menu.svelte
@@ -0,0 +1,54 @@
+<script lang="ts">
+    import {random_string} from "$shared/lib/helpers";
+
+    export let id = "__menu_" + random_string(3);
+    export let trigger: HTMLElement;
+    export let show = false;
+
+    let windowInnerWidth = 0;
+    let windowInnerHeight = 0;
+    let menu: HTMLMenuElement;
+
+    $: if (show && menu && trigger) {
+        const
+            selectedTriggerPosition = trigger.getBoundingClientRect(),
+            menuOnTop = (windowInnerHeight - selectedTriggerPosition.bottom) < selectedTriggerPosition.top,
+            left = selectedTriggerPosition.left,
+            right = (windowInnerWidth - selectedTriggerPosition.right),
+            isRight = (windowInnerWidth < selectedTriggerPosition.left + menu.offsetWidth),
+            vertical = menuOnTop
+                ? "bottom: " + (windowInnerHeight - selectedTriggerPosition.top) + "px;"
+                : "top: " + selectedTriggerPosition.bottom + "px;";
+
+        let horizontal = isRight ? "right: " + right + "px;" : "left: " + left + "px;";
+
+        // check right position is correct -> otherwise set left to 0
+        if (isRight && (right + menu.offsetWidth) > windowInnerWidth) horizontal = ("left: " + (windowInnerWidth - menu.offsetWidth) / 2 + "px;");
+        const maxHeight = menuOnTop ? selectedTriggerPosition.top - 20 : windowInnerHeight - selectedTriggerPosition.bottom - 20;
+        menu.setAttribute("style", horizontal + vertical + "max-height:" + Math.floor(maxHeight) + "px;");
+    }
+    
+    function on_window_click(event) {
+        if (!event.target.closest("#" + id) && !event.target.closest("[aria-controls='" + id + "']")) show = false;
+    }
+
+    function on_window_touchend(event) {
+        if (!event.target.closest("#" + id) && !event.target.closest("[aria-controls='" + id + "']")) show = false;
+    }
+</script>
+
+<svelte:window
+        on:click={on_window_click}
+        on:touchend={on_window_touchend}
+        bind:innerWidth={windowInnerWidth}
+        bind:innerHeight={windowInnerHeight}
+/>
+
+<menu class="menu"
+      id="{id}"
+      bind:this={menu}
+      class:menu--is-visible={show}
+      aria-expanded="{show}"
+      aria-haspopup="true">
+    <slot name="options"/>
+</menu>
-- 
cgit v1.3