From 011432dd7a67473b6edbfd6d5c82be09b77b3c42 Mon Sep 17 00:00:00 2001
From: chark1es <charles15851@gmail.com>
Date: Sat, 18 Jan 2025 04:06:19 -0800
Subject: [PATCH] adds filtering

---
 src/components/board/Filter.astro   | 165 +++++++++++++++++++++++++++-
 src/components/board/Officers.astro |  29 +++--
 2 files changed, 186 insertions(+), 8 deletions(-)

diff --git a/src/components/board/Filter.astro b/src/components/board/Filter.astro
index 890703d..a829fb9 100644
--- a/src/components/board/Filter.astro
+++ b/src/components/board/Filter.astro
@@ -1,3 +1,166 @@
 ---
+const { filters, currentFilter } = Astro.props;
+---
 
----
\ No newline at end of file
+<div class="inline-flex border border-white/20 rounded-full p-1 relative">
+    <div
+        id="slider"
+        class="absolute h-[calc(100%-8px)] bg-[#FFB81C] rounded-full transition-none"
+        style="left: 4px;"
+    >
+    </div>
+    {
+        filters.map((filter) => (
+            <button
+                data-filter={filter}
+                class={`px-6 py-2 rounded-full transition-all relative z-10 ${
+                    currentFilter === filter
+                        ? "text-black"
+                        : "text-white hover:bg-white/10 hover:bg-opacity-50"
+                }`}
+            >
+                {filter}
+            </button>
+        ))
+    }
+</div>
+
+<script>
+    const buttons = document.querySelectorAll("[data-filter]");
+    const officers = document.querySelectorAll("[data-officer]");
+    const container = officers[0]?.parentElement;
+    const slider = document.getElementById("slider");
+
+    // Define type order for consistent sorting
+    const typeOrder = ["Executives", "Internal", "Events", "Projects"];
+
+    function getTypeWeight(type) {
+        const index = typeOrder.indexOf(type);
+        return index === -1 ? typeOrder.length : index;
+    }
+
+    function sortOfficersByType() {
+        const officerArray = Array.from(officers);
+        officerArray.sort((a, b) => {
+            const aTypes = JSON.parse(a.getAttribute("data-types"));
+            const bTypes = JSON.parse(b.getAttribute("data-types"));
+            return getTypeWeight(aTypes[0]) - getTypeWeight(bTypes[0]);
+        });
+
+        officerArray.forEach((officer) => {
+            container.appendChild(officer);
+        });
+    }
+
+    function moveSlider(button) {
+        if (!slider) return;
+        const buttonRect = button.getBoundingClientRect();
+        const containerRect = button.parentElement.getBoundingClientRect();
+
+        slider.style.width = `${buttonRect.width}px`;
+        slider.style.left = `${buttonRect.left - containerRect.left}px`;
+    }
+
+    function updateFilter(selectedFilter, clickedButton) {
+        // Update button styles
+        buttons.forEach((btn) => {
+            const isSelected =
+                btn.getAttribute("data-filter") === selectedFilter;
+            btn.classList.toggle("text-black", isSelected);
+            btn.classList.toggle("text-white", !isSelected);
+            btn.classList.toggle("hover:bg-white/10", !isSelected);
+            btn.classList.toggle("hover:bg-opacity-50", !isSelected);
+        });
+
+        // move slider
+        moveSlider(clickedButton);
+
+        // fades out all officers
+        officers.forEach((officer) => {
+            officer.style.opacity = "0";
+            officer.style.transition = "opacity 300ms ease-out";
+        });
+
+        // waits, then removes and re-adds officers
+        setTimeout(() => {
+            // removes all officers from container
+            officers.forEach((officer) => {
+                officer.remove();
+            });
+
+            // filters officers and prepares them for re-insertion
+            const officersToShow = Array.from(officers).filter((officer) => {
+                const types = JSON.parse(
+                    officer.getAttribute("data-types") || "[]"
+                );
+                return (
+                    selectedFilter === "All" || types.includes(selectedFilter)
+                );
+            });
+
+            // sorts if needed
+            if (selectedFilter === "All") {
+                officersToShow.sort((a, b) => {
+                    const aTypes = JSON.parse(a.getAttribute("data-types"));
+                    const bTypes = JSON.parse(b.getAttribute("data-types"));
+                    return getTypeWeight(aTypes[0]) - getTypeWeight(bTypes[0]);
+                });
+            }
+
+            // sets initial opacity to 0 for fade in
+            officersToShow.forEach((officer) => {
+                officer.style.opacity = "0";
+                officer.style.display = "";
+                container.appendChild(officer);
+            });
+
+            // triggers reflow and fades in
+            requestAnimationFrame(() => {
+                officersToShow.forEach((officer) => {
+                    officer.style.opacity = "1";
+                });
+            });
+        }, 300); // matches fade-out duration
+    }
+
+    sortOfficersByType();
+
+    // init
+    const initialButton = Array.from(buttons).find(
+        (btn) => btn.getAttribute("data-filter") === "All"
+    );
+
+    // init
+    if (initialButton && slider) {
+        const buttonRect = initialButton.getBoundingClientRect();
+        slider.style.width = `${buttonRect.width}px`;
+        // turns on transitions
+        requestAnimationFrame(() => {
+            slider.classList.remove("transition-none");
+            slider.classList.add(
+                "transition-all",
+                "duration-300",
+                "ease-in-out"
+            );
+        });
+    }
+
+    // reveals officers after sorting with animation
+    requestAnimationFrame(() => {
+        officers.forEach((officer) => {
+            officer.style.transition = "opacity 300ms ease-out";
+            officer.style.visibility = "visible";
+            // triggers reflow
+            officer.offsetHeight;
+            officer.style.opacity = "1";
+        });
+    });
+
+    // addss click handlers
+    buttons.forEach((button) => {
+        button.addEventListener("click", () => {
+            const filterValue = button.getAttribute("data-filter");
+            updateFilter(filterValue, button);
+        });
+    });
+</script>
diff --git a/src/components/board/Officers.astro b/src/components/board/Officers.astro
index 68acd80..62f4b82 100644
--- a/src/components/board/Officers.astro
+++ b/src/components/board/Officers.astro
@@ -4,7 +4,14 @@ import { Image } from "astro:assets";
 import neko from "../../images/neko.png";
 import { LiaDotCircle } from "react-icons/lia";
 import Officer from "../board/Officer.astro";
+import Filter from "../board/Filter.astro";
 import officers from "../../data/officers.json";
+
+// Get all unique types and add 'All' option
+const typeOrder = ["Executives", "Internal", "Events", "Projects"];
+const types = ["All", ...typeOrder];
+
+const currentFilter = "All";
 ---
 
 <div class="text-white flex flex-col items-center mt-[15vh] mb-[10vh]">
@@ -28,15 +35,23 @@ import officers from "../../data/officers.json";
         nibh vivamus tempus molestie tristique quis
     </p>
 
-    <div class="grid gap-[3vw] grid-cols-3 mt-[10vh]">
+    <Filter filters={types} currentFilter={currentFilter} />
+
+    <div class="grid gap-[3vw] grid-cols-3 mt-[4vh]">
         {
             officers.map((officer) => (
-                <Officer
-                    name={officer.name}
-                    position={officer.position}
-                    picture={officer.picture}
-                    email={officer.email}
-                />
+                <div
+                    data-officer
+                    data-types={JSON.stringify(officer.type)}
+                    style="opacity: 0; visibility: hidden"
+                >
+                    <Officer
+                        name={officer.name}
+                        position={officer.position}
+                        picture={officer.picture}
+                        email={officer.email}
+                    />
+                </div>
             ))
         }
     </div>