feat(tree): implement tree component with checkbox support and manager pattern

- Added core Tree component (BimTree, BimTreeNode) - Added TreeManager for lifecycle management - Added ModelTreeManager for business logic encapsulation (Tree + Dialog) - Integrated into BimEngine and updated demos - Added internationalization support
2025-12-10 18:34:14 +08:00
parent ef79b5b370
commit 2a2258cb9c
15 changed files with 1088 additions and 8 deletions
--- a/src/components/tree/index.css
+++ b/src/components/tree/index.css
@@ -0,0 +1,161 @@
+/* 树容器 */
+.bim-tree {
+    width: 100%;
+    overflow: auto;
+    font-size: 14px;
+    color: var(--bim-ui_text_primary, #333);
+    user-select: none; /* 防止双击选中文字 */
+}
+
+/* 节点行容器 */
+.bim-tree-node {
+    display: flex;
+    flex-direction: column;
+}
+
+/* 节点内容行 (Flex 布局) */
+.bim-tree-node-content {
+    display: flex;
+    align-items: center;
+    height: 32px; /* 标准行高 */
+    cursor: pointer;
+    transition: background-color 0.2s;
+    border-radius: 4px;
+    padding-right: 8px;
+}
+
+.bim-tree-node-content:hover {
+    background-color: var(--bim-ui_bg_hover, rgba(0, 0, 0, 0.05));
+}
+
+/* 展开/折叠箭头 */
+.bim-tree-switcher {
+    width: 24px;
+    height: 32px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    color: var(--bim-ui_text_secondary, #999);
+    transition: transform 0.2s;
+    flex-shrink: 0;
+}
+
+.bim-tree-switcher svg {
+    width: 12px;
+    height: 12px;
+    fill: currentColor;
+    transition: transform 0.2s;
+}
+
+.bim-tree-switcher.is-expanded svg {
+    transform: rotate(90deg);
+}
+
+.bim-tree-switcher.is-hidden {
+    visibility: hidden; /*叶子节点占位但不显示*/
+}
+
+/* 复选框 */
+.bim-tree-checkbox {
+    width: 16px;
+    height: 16px;
+    border: 1px solid var(--bim-ui_border_color, #d9d9d9);
+    border-radius: 2px;
+    margin-right: 8px;
+    background-color: var(--bim-ui_bg_color, #fff);
+    position: relative;
+    cursor: pointer;
+    flex-shrink: 0;
+    transition: all 0.2s;
+}
+
+.bim-tree-checkbox:hover {
+    border-color: var(--bim-primary_color, #1890ff);
+}
+
+/* 选中状态 */
+.bim-tree-checkbox.is-checked {
+    background-color: var(--bim-primary_color, #1890ff);
+    border-color: var(--bim-primary_color, #1890ff);
+}
+
+.bim-tree-checkbox.is-checked::after {
+    content: '';
+    position: absolute;
+    top: 1px;
+    left: 4px;
+    width: 5px;
+    height: 9px;
+    border: 2px solid #fff;
+    border-top: 0;
+    border-left: 0;
+    transform: rotate(45deg);
+}
+
+/* 半选状态 */
+.bim-tree-checkbox.is-indeterminate {
+    background-color: var(--bim-ui_bg_color, #fff);
+    border-color: var(--bim-primary_color, #1890ff);
+}
+
+.bim-tree-checkbox.is-indeterminate::after {
+    content: '';
+    position: absolute;
+    top: 6px;
+    left: 3px;
+    width: 8px;
+    height: 2px;
+    background-color: var(--bim-primary_color, #1890ff);
+}
+
+/* 禁用状态 */
+.bim-tree-node.is-disabled .bim-tree-checkbox {
+    background-color: #f5f5f5;
+    border-color: #d9d9d9;
+    cursor: not-allowed;
+}
+
+.bim-tree-node.is-disabled .bim-tree-checkbox.is-checked {
+    background-color: #d9d9d9; 
+}
+
+.bim-tree-node.is-disabled .bim-tree-node-content {
+    color: var(--bim-ui_text_disabled, #ccc);
+    cursor: not-allowed;
+}
+
+/* 图标 */
+.bim-tree-icon {
+    width: 16px;
+    height: 16px;
+    margin-right: 6px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+}
+
+.bim-tree-icon img,
+.bim-tree-icon svg {
+    width: 100%;
+    height: 100%;
+}
+
+/* 文本 */
+.bim-tree-title {
+    flex: 1;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+/* 子节点容器 */
+.bim-tree-children {
+    display: none;
+    overflow: hidden;
+}
+
+.bim-tree-children.is-visible {
+    display: block;
+}