修改变更历史展示

frontend/app/components/CommitFileTreeNode.vue

@@ -0,0 +1,154 @@
+<script setup>
+import {
+  FileOutlined,
+  FolderOutlined,
+  FolderOpenOutlined,
+  CaretRightOutlined,
+  CaretDownOutlined,
+} from '@ant-design/icons-vue'
+
+const props = defineProps({
+  node: { type: Object, required: true },
+  collapsedDirs: { type: Set, default: () => new Set() },
+  selectedFile: { type: Object, default: null },
+  depth: { type: Number, default: 0 },
+})
+
+const emit = defineEmits(['select-file', 'toggle-dir'])
+
+function getStatusColor(status) {
+  const map = { M: 'orange', A: 'green', D: 'red', R: 'blue', C: 'cyan' }
+  return map[status] || 'default'
+}
+function getStatusLabel(status) {
+  const map = { M: '修改', A: '新增', D: '删除', R: '重命名', C: '复制' }
+  return map[status] || status
+}
+</script>
+
+<template>
+  <!-- 目录节点 -->
+  <div v-if="node.type === 'dir'" class="commit-tree-dir">
+    <div class="commit-tree-dir-header" :style="{ paddingLeft: (8 + depth * 16) + 'px' }" @click="emit('toggle-dir', node.path)">
+      <CaretDownOutlined v-if="!collapsedDirs.has(node.path)" class="commit-tree-arrow" />
+      <CaretRightOutlined v-else class="commit-tree-arrow" />
+      <FolderOpenOutlined v-if="!collapsedDirs.has(node.path)" class="commit-tree-icon dir-icon" />
+      <FolderOutlined v-else class="commit-tree-icon dir-icon" />
+      <span class="commit-tree-dir-name">{{ node.name }}</span>
+      <span class="commit-tree-dir-count">{{ node.fileCount }}</span>
+    </div>
+    <div v-show="!collapsedDirs.has(node.path)">
+      <CommitFileTreeNode
+        v-for="child in node.children"
+        :key="child.type + '-' + (child.path || child.data?.filePath)"
+        :node="child"
+        :collapsed-dirs="collapsedDirs"
+        :selected-file="selectedFile"
+        :depth="depth + 1"
+        @select-file="emit('select-file', $event)"
+        @toggle-dir="emit('toggle-dir', $event)"
+      />
+    </div>
+  </div>
+
+  <!-- 文件节点 -->
+  <div
+    v-else
+    class="commit-tree-file-item"
+    :style="{ paddingLeft: (8 + depth * 16) + 'px' }"
+    :class="{ active: selectedFile?.filePath === node.data.filePath }"
+    @click="emit('select-file', node.data)"
+  >
+    <FileOutlined class="commit-tree-icon file-icon" />
+    <span class="commit-tree-file-name">{{ node.name }}</span>
+    <a-tag :color="getStatusColor(node.data.status)" size="small" class="commit-tree-status-tag">{{ getStatusLabel(node.data.status) }}</a-tag>
+  </div>
+</template>
+
+<style scoped>
+.commit-tree-dir-header {
+  display: flex;
+  align-items: center;
+  padding: 3px 8px;
+  cursor: pointer;
+  gap: 4px;
+  font-size: 13px;
+  font-weight: 500;
+  color: var(--text-primary);
+  transition: background 0.12s;
+}
+
+.commit-tree-dir-header:hover {
+  background: var(--bg-hover);
+}
+
+.commit-tree-arrow {
+  font-size: 10px;
+  color: var(--text-muted);
+  flex-shrink: 0;
+  width: 14px;
+  text-align: center;
+}
+
+.commit-tree-icon {
+  flex-shrink: 0;
+  font-size: 14px;
+}
+
+.dir-icon {
+  color: var(--accent, #89b4fa);
+}
+
+.file-icon {
+  color: var(--text-muted);
+}
+
+.commit-tree-dir-name {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.commit-tree-dir-count {
+  font-size: 11px;
+  color: var(--text-muted);
+  background: var(--bg-hover, rgba(255,255,255,0.06));
+  border-radius: 8px;
+  padding: 0 6px;
+  min-width: 18px;
+  text-align: center;
+  flex-shrink: 0;
+}
+
+.commit-tree-file-item {
+  display: flex;
+  align-items: center;
+  padding: 3px 8px;
+  cursor: pointer;
+  gap: 6px;
+  font-size: 13px;
+  transition: background 0.12s;
+}
+
+.commit-tree-file-item:hover {
+  background: var(--bg-hover);
+}
+
+.commit-tree-file-item.active {
+  background: var(--bg-active);
+}
+
+.commit-tree-file-name {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.commit-tree-status-tag {
+  flex-shrink: 0;
+  font-size: 11px;
+  margin-left: auto;
+}
+</style>