tinui高级树状图
Project description
TinUITreeview
TinUI的高级树状图控件。相比于TinUI原生treeview,给拓展提供对树状图的增删改功能,以及更细化的操作实现。
使用
TinUITreeItem
树状图元素,用来表示树中的一个节点。这是一个抽象元素,包含如下信息:
- text - 节点显示文本
- back - 背景矩形画布 id(也是 items 字典的键)
- te - 文字画布 id
- sign - 展开/收起三角图标画布 id(叶节点为 None)
- parent - 父 TinUITreeItem,根节点为 None
- children - 子 TinUITreeItem 列表
不过,使用者并不需要在意这些细节,只需要知道这是节点元素即可。以上信息可作为属性直接获取。
TinUITreeView
TinUITreeView(
master:BasicTinUI,
pos: tuple,
fg="#1a1a1a",
bg="#f3f3f3",
onfg="#1a1a1a",
onbg="#eaeaea",
oncolor="#3041d8",
signcolor="#8a8a8a",
width=200,
height=300,
font="微软雅黑 12",
content=(
("one", ("1", "2", "3")),
"two",
("three", ("a", ("b", ("b1", "b2", "b3")), "c")),
"four",
),
anchor="nw",
command=None,
)
参数与TinUI原生treeview一致。
[!NOTE]
另外,
tinuitreeview提供tvlight和tvdark两种样式配色。
[!tip]
通过
TinUITreeView.uid获取控件标识符,用于TinUI面板布局。其对面板布局的响应与原生treeview一致。
get_selected()
返回选中的TinUITreeItem。
add_node(text:str, parent:TinUITreeItem=None)
添加节点。
- parent=None -> 追加到根级
- parent=item -> 作为 item 的子节点追加
返回新建的TinUITreeItem。
remove_node(item:TinUITreeItem)
删除节点及其后代。如果被删除点为亲节点最后一个节点,则亲节点变为叶子节点。
rename_node(item:TinUITreeItem, new_text:str)
重命名节点。
closs_all() / open_all()
同原生treeview。
bind(sequence=None, func=None, add=None)
控件事件绑定,返回funcid。
unbind(sequence, funcid=None)
控件事件解绑。
示例
# 导入必要模块...
def test(path):
print("选中路径:", " > ".join(n.text for n in path))
root = tk.Tk()
tinui = BasicTinUI(root)
tinui.pack(fill='both',expand=True)
tree = TinUITreeView(tinui, (50, 50), command=test)
# 增
new_item = tree.add_node("新节点") # 添加到根
child = tree.add_node("子节点", parent=new_item) # 添加到指定节点下
# 删
# tree.remove_node(child) # 同时删除所有后代,父节点若变为空则自动降级为叶节点
# 改
tree.rename_node(new_item, "renamed")
# 查
# selected = tree.get_selected() # 返回 TinUITreeItem 或 None
# print("当前选中:", selected)
# 展开/折叠
tree.close_all()
root.after(2000, tree.open_all) # 2秒后展开所有节点
rp = ExpandPanel(tinui, tree.uid)
def on_resize(e):
rp.update_layout(5, 5, e.width-5, e.height-5)
tinui.bind("<Configure>", on_resize)
root.mainloop()
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