From 6819cbe188dc0a05034da74f1d82b7b8ad7ccb66 Mon Sep 17 00:00:00 2001
From: Valentin Kaelin <kalanehd@gmail.com>
Date: Sun, 17 Nov 2019 17:26:36 +0100
Subject: [PATCH] feat: add ripple effect when clicking on matches

---
 client/src/components/Match/Match.vue |   9 ++-
 client/src/components/Ripple.vue      | 110 ++++++++++++++++++++++++++
 2 files changed, 116 insertions(+), 3 deletions(-)
 create mode 100644 client/src/components/Ripple.vue

diff --git a/client/src/components/Match/Match.vue b/client/src/components/Match/Match.vue
index 8796bc6..0e0cb33 100644
--- a/client/src/components/Match/Match.vue
+++ b/client/src/components/Match/Match.vue
@@ -1,7 +1,8 @@
 <template>
   <li class="ml-4 relative">
-    <div
-      @click="displayDetails"
+    <Ripple
+      @click.native="displayDetails"
+      color="rgba(43, 108, 176, 0.7)"
       :class="[matchResultClass, showDetails ? 'rounded-t-lg' : 'rounded-lg']"
       class="match relative mt-4 bg-blue-800 text-white text-base cursor-pointer hover:shadow-xl"
     >
@@ -128,7 +129,7 @@
           </div>
         </div>
       </div>
-    </div>
+    </Ripple>
     <DetailedMatch :data="getMatchDetails(data.gameId) || {}" :details-open="showDetails" />
   </li>
 </template>
@@ -137,11 +138,13 @@
 import { mapActions, mapState, mapGetters } from 'vuex'
 import DetailedMatch from '@/components/Match/DetailedMatch'
 import MatchItems from '@/components/Match/MatchItems'
+import Ripple from '@/components/Ripple.vue'
 
 export default {
   components: {
     DetailedMatch,
     MatchItems,
+    Ripple,
   },
 
   props: {
diff --git a/client/src/components/Ripple.vue b/client/src/components/Ripple.vue
new file mode 100644
index 0000000..4706b16
--- /dev/null
+++ b/client/src/components/Ripple.vue
@@ -0,0 +1,110 @@
+<template>
+  <div
+    ref="container"
+    @mousedown="addRipple"
+    class="relative overflow-hidden cursor-pointer"
+    style="z-index: 1;"
+  >
+    <transition-group
+      class="absolute top-0 left-0 w-full h-full pointer-events-none"
+      style="z-index: -1;"
+      name="grow"
+      tag="div"
+    >
+      <div
+        v-for="ripple in ripples"
+        :key="ripple.id"
+        class="absolute w-full h-full opacity-0 rounded-full pointer-events-none"
+        :style="{
+          top: ripple.top,
+          left: ripple.left,
+          width: ripple.width,
+          height: ripple.height,
+          background: color
+        }"
+      ></div>
+    </transition-group>
+    <slot></slot>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    color: {
+      type: String,
+      default: 'rgba(255, 255, 255, 0.3)'
+    }
+  },
+
+  data() {
+    return {
+      ripples: [],
+      rippleWidth: 0,
+      halfRippleWidth: 0,
+    }
+  },
+
+  mounted() {
+    const width = this.$refs.container.offsetWidth
+    const height = this.$refs.container.offsetHeight
+    this.rippleWidth = width > height ? width : height
+    this.halfRippleWidth = this.rippleWidth / 2
+
+    window.addEventListener('mouseup', this.purgeRipples)
+  },
+
+  beforeDestroy() {
+    window.removeEventListener('mouseup', this.purgeRipples)
+  },
+
+  methods: {
+    addRipple(e) {
+      const { left, top } = this.$refs.container.getBoundingClientRect()
+      const rippleId = Date.now()
+      this.ripples.push({
+        width: `${this.rippleWidth}px`,
+        height: `${this.rippleWidth}px`,
+        left: `${e.clientX - left - this.halfRippleWidth}px`,
+        top: `${e.clientY - top - this.halfRippleWidth}px`,
+        id: rippleId
+      })
+    },
+    purgeRipples() {
+      this.ripples = []
+    }
+  }
+}
+</script>
+
+<style>
+.grow-enter-active,
+.grow-enter-to-active {
+  transition: all 1500ms ease-out;
+}
+
+.grow-leave-active,
+.grow-leave-to-active {
+  transition: all 700ms ease-out;
+}
+
+.grow-enter {
+  transform: scale(0);
+  opacity: 1;
+}
+
+.grow-enter-to {
+  transform: scale(4);
+  opacity: 1;
+}
+
+.grow-leave {
+  transform: scale(4);
+  opacity: 1;
+}
+
+.grow-leave-to {
+  transform: scale(4);
+  opacity: 0;
+}
+</style>