From 6e5dd124b4f8c3ee1ba9e203b8c0718191c559de Mon Sep 17 00:00:00 2001
From: sendevia <me@sendevia.top>
Date: Fri, 5 Dec 2025 22:56:33 +0800
Subject: [PATCH] add: MaterialCard component

---
 .vitepress/theme/components/Card.vue         |  90 +++++++++
 .vitepress/theme/index.ts                    |   3 +
 .vitepress/theme/styles/components/Card.scss | 187 +++++++++++++++++++
 3 files changed, 280 insertions(+)
 create mode 100644 .vitepress/theme/components/Card.vue
 create mode 100644 .vitepress/theme/styles/components/Card.scss

diff --git a/.vitepress/theme/components/Card.vue b/.vitepress/theme/components/Card.vue
new file mode 100644
index 0000000..2fd884e
--- /dev/null
+++ b/.vitepress/theme/components/Card.vue
@@ -0,0 +1,90 @@
+<script setup lang="ts">
+import { ref } from "vue";
+
+interface Props {
+  category?: string[];
+  date?: string;
+  description?: string;
+  href?: string;
+  impression?: string[];
+  tags?: string[];
+  title?: string;
+  color?: "elevated" | "filled" | "outlined";
+  size?: "s" | "m" | "l";
+  variant?: "feed";
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  color: "filled",
+  size: "m",
+  variant: "feed",
+  impression: () => [],
+});
+
+const isSwapped = ref(false);
+let touchStartX = 0;
+
+// 是否有多张图片
+const hasMultipleImages = () => props.impression && props.impression.length >= 2;
+
+// 处理开始触摸
+const handleTouchStart = (e: TouchEvent) => {
+  if (!hasMultipleImages()) return;
+  touchStartX = e.touches[0].clientX;
+};
+
+// 处理结束触摸
+const handleTouchEnd = (e: TouchEvent) => {
+  if (!hasMultipleImages()) return;
+  const touchEndX = e.changedTouches[0].clientX;
+  const diff = touchStartX - touchEndX;
+
+  // 滑动距离超过 50px 视为有效
+  if (Math.abs(diff) > 50) {
+    if (diff > 0) {
+      isSwapped.value = true;
+    } else {
+      isSwapped.value = false;
+    }
+  }
+};
+</script>
+
+<template>
+  <component :is="href ? 'a' : 'div'" :href="href" class="MaterialCard" :class="[props.variant, props.size, props.color]">
+    <div class="content">
+      <div v-if="(props.impression && props.impression.length > 0) || props.title" class="impression-area">
+        <div class="title-container">
+          <div v-if="props.title" class="title">
+            <h4>{{ props.title }}</h4>
+            <h6>{{ props.date }}发布</h6>
+          </div>
+        </div>
+
+        <div
+          v-if="props.impression && props.impression.length > 0"
+          class="image-container"
+          :class="{ swapped: isSwapped }"
+          @touchstart.passive="handleTouchStart"
+          @touchend.passive="handleTouchEnd"
+        >
+          <img
+            v-for="(imgUrl, index) in props.impression.slice(0, 2)"
+            :key="index"
+            :src="imgUrl"
+            :alt="props.title + ' cover ' + (index + 1)"
+          />
+        </div>
+      </div>
+
+      <div v-if="props.description || props.title || props.date" class="supporting-area">
+        <p v-if="props.description">{{ props.description }}</p>
+      </div>
+    </div>
+  </component>
+</template>
+
+<style lang="scss" scoped>
+@use "sass:meta";
+@include meta.load-css("../styles/components/Card");
+</style>
diff --git a/.vitepress/theme/index.ts b/.vitepress/theme/index.ts
index b441d38..3bc7daf 100644
--- a/.vitepress/theme/index.ts
+++ b/.vitepress/theme/index.ts
@@ -4,6 +4,7 @@ import Layout from "./layouts/Default.vue";
 
 import AppBar from "./components/AppBar.vue";
 import Button from "./components/Button.vue";
+import Card from "./components/Card.vue";
 import Footer from "./components/Footer.vue";
 import Header from "./components/Header.vue";
 import ImageViewer from "./components/ImageViewer.vue";
@@ -13,6 +14,7 @@ import ScrollToTop from "./components/ScrollToTop.vue";
 import NavBar from "./components/NavBar.vue";
 
 import "./styles/main.scss";
+
 const pinia = createPinia();
 
 export default {
@@ -26,6 +28,7 @@ export default {
     app.component("ImageViewer", ImageViewer);
     app.component("MainLayout", Layout);
     app.component("MaterialButton", Button);
+    app.component("MaterialCard", Card);
     app.component("NavBar", NavBar);
     app.component("PageIndicator", PageIndicator);
     app.component("PrevNext", PrevNext);
diff --git a/.vitepress/theme/styles/components/Card.scss b/.vitepress/theme/styles/components/Card.scss
new file mode 100644
index 0000000..d90e524
--- /dev/null
+++ b/.vitepress/theme/styles/components/Card.scss
@@ -0,0 +1,187 @@
+@use "../mixin";
+
+.MaterialCard {
+  display: flex;
+  flex-direction: column;
+
+  position: relative;
+
+  text-decoration: none;
+
+  overflow: hidden;
+
+  .content {
+    display: flex;
+    flex-direction: column;
+
+    position: relative;
+
+    height: 100%;
+    width: 100%;
+
+    .impression-area {
+      z-index: 1;
+    }
+
+    .supporting-area {
+      color: var(--md-sys-color-on-surface);
+
+      pointer-events: none;
+
+      h3 {
+        transition: var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
+      }
+    }
+  }
+
+  &.feed {
+    .content {
+      display: flex;
+      flex-direction: column;
+      gap: 12px;
+
+      padding: 16px;
+
+      .impression-area {
+        display: flex;
+        gap: 12px;
+        flex-direction: column;
+
+        .title-container {
+          display: flex;
+          align-items: flex-start;
+          flex-direction: column;
+          gap: 12px;
+
+          .title {
+            h4 {
+              font-variation-settings: "wdth" 500;
+              text-transform: uppercase;
+            }
+          }
+        }
+
+        .image-container {
+          display: grid;
+          grid-template-columns: 100%;
+          gap: 6px;
+
+          transition: grid-template-columns var(--md-sys-motion-spring-fast-spatial-duration)
+            var(--md-sys-motion-spring-fast-spatial);
+
+          &:has(img:nth-child(2)) {
+            grid-template-columns: calc(90% - 6px) 10%;
+          }
+
+          &.swapped,
+          &:hover {
+            &:has(img:nth-child(2)) {
+              grid-template-columns: 10% calc(90% - 6px);
+            }
+          }
+
+          img {
+            height: 200px;
+            width: 100%;
+
+            object-fit: cover;
+            transition: border-radius var(--md-sys-motion-spring-fast-spatial-duration)
+              var(--md-sys-motion-spring-fast-spatial);
+
+            &:nth-child(1) {
+              border-radius: var(--md-sys-shape-corner-extra-large);
+            }
+
+            &:nth-child(2) {
+              border-radius: var(--md-sys-shape-corner-medium);
+            }
+          }
+
+          &.swapped:hover {
+            img:nth-child(1) {
+              border-radius: var(--md-sys-shape-corner-medium);
+            }
+
+            img:nth-child(2) {
+              border-radius: var(--md-sys-shape-corner-extra-large);
+            }
+          }
+        }
+      }
+
+      .supporting-area {
+        p {
+          letter-spacing: 0.6rem;
+        }
+      }
+
+      .actions-area {
+        display: flex;
+        align-items: center;
+        flex-direction: row;
+        justify-content: space-between;
+
+        p {
+          padding: 8px 12px;
+
+          border-radius: var(--md-sys-shape-corner-medium);
+        }
+
+        div {
+          display: flex;
+          flex-direction: row;
+          gap: 12px;
+        }
+
+        a {
+          text-decoration: none;
+        }
+      }
+    }
+  }
+
+  &::after {
+    content: "";
+
+    position: absolute;
+    top: 0;
+    left: 0;
+
+    height: 100%;
+    width: 100%;
+
+    z-index: 0;
+  }
+
+  &:hover {
+    &::after {
+      background-color: var(--md-sys-state-hover-state-layer);
+    }
+  }
+
+  &:focus-visible {
+    @include mixin.focus-ring($thickness: 3, $offset: 2);
+  }
+
+  &.elevated {
+    color: var(--md-sys-color-primary);
+
+    background-color: var(--md-sys-color-surface-container-low);
+
+    box-shadow: 0px 1px 3px var(--md-sys-color-shadow);
+  }
+
+  &.filled {
+    color: var(--md-sys-color-on-surface);
+
+    border-radius: var(--md-sys-shape-corner-medium);
+
+    background-color: var(--md-sys-color-surface-container-highest);
+  }
+
+  &.outlined {
+    color: var(--md-sys-color-on-surface-variant);
+
+    border-color: var(--md-sys-color-outline-variant);
+  }
+}