Fix persistence and add support of custom themes of theme changer

examples/demo_new_theme_changer/demo_new_theme_changer.py

@@ -0,0 +1,131 @@
+from dash import Dash, dcc, html, Input, Output, dash_table, callback
+import pandas as pd
+import plotly.express as px
+import dash_bootstrap_components as dbc
+import dash_ag_grid as dag
+
+from dash_bootstrap_templates import ThemeChangerAIO, template_from_url
+
+app = Dash(
+    __name__,
+    external_stylesheets=["https://cdn.jsdelivr.net/gh/AnnMarieW/dash-bootstrap-templates/dbc.min.css"],
+    ########## test custom server/client assets folders ##########
+    assets_folder='server_side_assets',
+    assets_url_path='client_side_assets'
+)
+
+df = pd.DataFrame({
+    "Fruit": ["Apples", "Oranges", "Bananas", "Apples", "Oranges", "Bananas"],
+    "Amount": [4, 1, 2, 2, 4, 5],
+    "City": ["SF", "SF", "SF", "Montreal", "Montreal", "Montreal"],
+})
+
+app.layout = html.Div(
+    [
+        # header
+        html.Div(
+            [
+                html.H3("ThemeChangerAIO Demo"),
+                ThemeChangerAIO(
+                    aio_id="theme",
+                    button_props={'outline': False},
+                    ########## test custom themes ##########
+                    custom_themes={
+                        'custom-light': 'custom_light_theme.css',
+                        'custom-dark': 'custom_dark_theme.css'
+                    },
+                    custom_dark_themes=['custom-dark'],
+                    ########## test custom RadioItems list ##########
+                    ## Note: the value must match the name of the theme
+                    # radio_props={
+                    #     "options": [
+                    #         {"label": "Cyborg", "value": dbc.themes.CYBORG},
+                    #         {"label": "My Theme", "value": "custom_light_theme.css"},
+                    #         {"label": "My Dark Theme", "value": "custom_dark_theme.css"},
+                    #         {"label": "Spacelab", "value": dbc.themes.SPACELAB},
+                    #         # test setting label styling (here unset the style)
+                    #         {"label": "Vapor", "value": dbc.themes.VAPOR, "label_id": ""}
+                    #     ],
+                    #     "value": dbc.themes.VAPOR,
+                    # },
+                    ########## test persistence ##########
+                    # radio_props={"persistence": True},
+                ),
+            ], className="sticky-top bg-primary p-2"
+        ),
+
+        # test DBC components
+        html.H4('Dash Bootstrap Components:'),
+        html.Div([
+            dbc.Button(f"{color}", color=f"{color}", size="sm")
+            for color in ["primary", "secondary", "success", "warning", "danger", "info", "light", "dark", "link"]
+        ]),
+        dbc.Checklist(['New York City', 'Montréal', 'San Francisco'], ['New York City', 'Montréal'], inline=True),
+        dbc.RadioItems(['New York City', 'Montreal', 'San Francisco'], 'Montreal', inline=True),
+        html.Hr(),
+
+        # test DCC components
+        html.H4('Dash Core Components:'),
+        dcc.Checklist(['New York City', 'Montréal', 'San Francisco'], ['New York City', 'Montréal'], inline=True),
+        dcc.RadioItems(['New York City', 'Montreal', 'San Francisco'], 'Montreal', inline=True),
+        dcc.Dropdown(["Apple", "Carrots", "Chips", "Cookies"], ["Cookies", "Carrots"], multi=True),
+        dcc.Slider(min=0, max=20, step=5, value=10),
+        html.Hr(),
+
+        # test DataTable
+        html.H4('Dash DataTable:'),
+        dash_table.DataTable(
+            columns=[{"name": i, "id": i} for i in df.columns],
+            data=df.to_dict("records"),
+            row_selectable="single",
+            row_deletable=True,
+            editable=True,
+            filter_action="native",
+            sort_action="native",
+            style_table={"overflowX": "auto"},
+        ),
+        html.Hr(),
+
+        # test DAG
+        html.H4('Dash AG Grid:'),
+        dag.AgGrid(
+            columnDefs=[{"field": i} for i in df.columns],
+            rowData=df.to_dict("records"),
+            defaultColDef={
+                "flex": 1, "filter": True,
+                "checkboxSelection": {
+                    "function": 'params.column == params.api.getAllDisplayedColumns()[0]'
+                },
+                "headerCheckboxSelection": {
+                    "function": 'params.column == params.api.getAllDisplayedColumns()[0]'
+                }
+            },
+            dashGridOptions={"rowSelection": "multiple", "domLayout": "autoHeight"},
+            className='ag-theme-quartz dbc-ag-grid'
+        ),
+        html.Hr(),
+
+        # test plotly fig
+        html.H4('Plotly Figure:'),
+        dcc.Graph(
+            id='theme_changer-graph',
+            figure=px.bar(df, x="Fruit", y="Amount", color="City", barmode="group")
+        )
+    ], className='dbc'
+)
+
+
+# Switch figure themes
+@callback(
+    Output("theme_changer-graph", "figure"),
+    Input(ThemeChangerAIO.ids.radio("theme"), "value"),
+)
+def update_figure_template(theme):
+    return px.bar(
+        df, x="Fruit", y="Amount", color="City", barmode="group",
+        template=template_from_url(theme)
+    )
+
+
+if __name__ == "__main__":
+    app.run(debug=True)

examples/demo_new_theme_changer/server_side_assets/custom_dark_theme.css

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+body {
+    background-color: black;
+    color: white;
+}
+
+.offcanvas {
+    position: fixed;
+    bottom: 0;
+    top: 0;
+    left: 0;
+    z-index: 1045;
+    display: flex;
+    flex-direction: column;
+    max-width: 100%;
+    visibility: hidden;
+    background-color: black;
+    transition: transform 0.3s ease-in-out;
+}
+
+.offcanvas-backdrop {
+    position: fixed;
+    top: 0;
+    left: 0;
+    z-index: 1040;
+    width: 100vw;
+    height: 100vh;
+    background-color: white
+}
+
+.offcanvas-backdrop.fade {
+    opacity: 0
+}
+
+.offcanvas-backdrop.show {
+    opacity: .5
+}
+
+.offcanvas-header {
+    display: flex;
+}
+
+.btn-close {
+    --bs-btn-close-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e");
+    box-sizing: content-box;
+    width: 1em;
+    height: 1em;
+    padding: .25em .25em;
+    background: transparent var(--bs-btn-close-bg) center/1em auto no-repeat;
+    border: 0;
+    opacity: 0.5
+}
+
+.btn-close:hover {
+    opacity: 0.75
+}
+
+.form-check {
+    display: block;
+    padding-left: 1.5em;
+}
+
+.form-check .form-check-input {
+    float: left;
+    margin-left: -1.5em
+}

examples/demo_new_theme_changer/server_side_assets/custom_light_theme.css

@@ -0,0 +1,65 @@
+body {
+    background-color: white;
+    color: black;
+}
+
+.offcanvas {
+    position: fixed;
+    bottom: 0;
+    top: 0;
+    left: 0;
+    z-index: 1045;
+    display: flex;
+    flex-direction: column;
+    max-width: 100%;
+    visibility: hidden;
+    background-color: white;
+    transition: transform 0.3s ease-in-out;
+}
+
+.offcanvas-backdrop {
+    position: fixed;
+    top: 0;
+    left: 0;
+    z-index: 1040;
+    width: 100vw;
+    height: 100vh;
+    background-color: black
+}
+
+.offcanvas-backdrop.fade {
+    opacity: 0
+}
+
+.offcanvas-backdrop.show {
+    opacity: .5
+}
+
+.offcanvas-header {
+    display: flex;
+}
+
+.btn-close {
+    --bs-btn-close-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e");
+    box-sizing: content-box;
+    width: 1em;
+    height: 1em;
+    padding: .25em .25em;
+    background: transparent var(--bs-btn-close-bg) center/1em auto no-repeat;
+    border: 0;
+    opacity: 0.5
+}
+
+.btn-close:hover {
+    opacity: 0.75
+}
+
+.form-check {
+    display: block;
+    padding-left: 1.5em;
+}
+
+.form-check .form-check-input {
+    float: left;
+    margin-left: -1.5em
+}

src/aio/__init__.py

@@ -1,15 +1,2 @@
-import os
-
 from .aio_theme_switch import ThemeSwitchAIO
 from .aio_theme_changer import ThemeChangerAIO, template_from_url
-
-# needed for Dash for _js_dist
-from dash_bootstrap_templates import __version__
-
-_js_dist = [
-    {
-        "namespace": "aio",
-        "relative_package_path": "clientsideCallbacks.js",
-        "external_url": f'{os.path.dirname(os.path.realpath(__file__))}\\clientsideCallbacks.js',
-    }
-]