PyCafe - Dash - Demo of dmc.Tree

app.py
requirements.txt
app.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
import dash_mantine_components as dmc
from dash import Input, Output, callback, Dash, _dash_renderer
import json

_dash_renderer._set_react_version("18.2.0")

app = Dash()

data = [
    {
        "label": "src",
        "value": "src",
        "children": [
            {
                "label": "components",
                "value": "src/components",
                "children": [
                    {"label": "Accordion.tsx", "value": "src/components/Accordion.tsx"},
                    {"label": "Tree.tsx", "value": "src/components/Tree.tsx"},
                    {"label": "Button.tsx", "value": "src/components/Button.tsx"},
                ],
            },
        ],
    },
    {
        "label": "node_modules",
        "value": "node_modules",
        "children": [
            {
                "label": "react",
                "value": "node_modules/react",
                "children": [
                    {"label": "index.d.ts", "value": "node_modules/react/index.d.ts"},
                    {
                        "label": "package.json",
                        "value": "node_modules/react/package.json",
                    },
                ],
            },
            {
                "label": "@mantine",
                "value": "node_modules/@mantine",
                "children": [
                    {
                        "label": "core",
                        "value": "node_modules/@mantine/core",
                        "children": [
                            {
                                "label": "index.d.ts",
                                "value": "node_modules/@mantine/core/index.d.ts",
                            },
                            {
                                "label": "package.json",
                                "value": "node_modules/@mantine/core/package.json",
                            },
                        ],
                    },
                    {
                        "label": "hooks",
                        "value": "node_modules/@mantine/hooks",
                        "children": [
                            {
                                "label": "index.d.ts",
                                "value": "node_modules/@mantine/hooks/index.d.ts",
                            },
                            {
                                "label": "package.json",
                                "value": "node_modules/@mantine/hooks/package.json",
                            },
                        ],
                    },
                    {
                        "label": "form",
                        "value": "node_modules/@mantine/form",
                        "children": [
                            {
                                "label": "index.d.ts",
                                "value": "node_modules/@mantine/form/index.d.ts",
                            },
                            {
                                "label": "package.json",
                                "value": "node_modules/@mantine/form/package.json",
                            },
                        ],
                    },
                ],
            },
        ],
    },
    {
        "label": "package.json",
        "value": "package.json",
    },
    {
        "label": "tsconfig.json",
        "value": "tsconfig.json",
    },
]

app.layout = dmc.MantineProvider(
    [
        dmc.Group(
            [
                dmc.Tree(
                    id="tree",
                    allowRangeSelection=False,
                    # checkOnSpace=True,
                    clearSelectionOnOutsideClick=True,
                    # expandOnClick=False,
                    # expandOnSpace=False,
                    levelOffset="xl",
                    selectOnClick=True,
                    data=data,
                    checkboxes=True,
                    checked=["node_modules/@mantine/form/index.d.ts"],
                    selected=["node_modules/@mantine/form/index.d.ts"],
                    expanded=[
                        "node_modules",
                        "node_modules/@mantine",
                        "node_modules/@mantine/form",
                        "node_modules/@mantine/form/index.d.ts",
                    ],
                ),
                dmc.CodeHighlight(id="expanded", code="", language="json"),
                dmc.CodeHighlight(id="checked", code="", language="json"),
                dmc.CodeHighlight(id="selected", code="", language="json"),
            ],
            align="flex-start",
            grow=True,
        ),
    ],
    theme={"primaryColor": "pink"},
)


@callback(
    Output("expanded", "code"),
    Output("checked", "code"),
    Output("selected", "code"),
    Input("tree", "expanded"),
    Input("tree", "checked"),
    Input("tree", "selected"),
)
def tree_callback(expanded, checked, selected):
    expanded_code = json.dumps({"expanded": expanded}, indent=4)
    checked_code = json.dumps({"checked": checked}, indent=4)
    selected_code = json.dumps({"selected": selected}, indent=4)
    return expanded_code, checked_code, selected_code


if __name__ == "__main__":
    app.run(debug=True)
Py.Cafe

PR-460-add-dmc.Tree-component

Demo of dmc.Tree
