add mantine_light and mantine_dark plotly figure templates

dash_mantine_components/__init__.py

@@ -12,6 +12,7 @@
 from ._imports_ import *
 from ._imports_ import __all__
 from .theme import DEFAULT_THEME
+from .figure_templates import create_mantine_figure_templates
 
 if not hasattr(_dash, "__plotly_dash") and not hasattr(_dash, "development"):
     print(

dash_mantine_components/figure_templates.py

@@ -0,0 +1,94 @@
+from .theme import DEFAULT_THEME
+import plotly.graph_objects as go
+import plotly.io as pio
+import copy
+
+
+def create_mantine_figure_templates():
+    """
+    Create Mantine-styled Plotly templates for both light and dark modes.
+    registers templates with plotly.io.templates as "mantine_light" and "mantine_dark"
+    """
+
+    colors = DEFAULT_THEME["colors"]
+    font_family = DEFAULT_THEME["fontFamily"]
+    # pallet generated from https://www.learnui.design/tools/data-color-picker.html#palette
+    custom_colorscale = [
+        "#1864ab",  # blue[9]
+        "#7065b9",
+        "#af61b7",
+        "#e35ea5",
+        "#ff6587",
+        "#ff7c63",
+        "#ff9e3d",
+        "#fcc419",  # yellow[5]
+    ]
+
+    # Default theme configurations
+    default_themes = {
+        "light": {
+            "colorway": [
+                colors[color][6]
+                for color in ["blue", "red", "green", "violet", "orange", "cyan", "pink", "yellow"]
+            ],
+            "paper_bgcolor": "#f8f9fa",
+            "plot_bgcolor": "#ffffff",
+            "gridcolor": "#dee2e6",
+        },
+        "dark": {
+            "colorway": [
+                colors[color][8]
+                for color in ["blue", "red", "green", "violet", "orange", "cyan", "pink", "yellow"]
+            ],
+            "paper_bgcolor": "#1a1b1e",
+            "plot_bgcolor": "#25262b",
+            "gridcolor": "#343a40",
+        }
+    }
+
+    def make_template(name):
+        #Start with either a light or dark Plotly template
+        base = "plotly_white" if name == "light" else "plotly_dark"
+        template = copy.deepcopy(pio.templates[base])
+
+        layout = template.layout
+        theme_config = default_themes[name]
+
+        # Apply theme settings
+        layout.colorway = theme_config["colorway"]
+        layout.colorscale.sequential = custom_colorscale
+        layout.piecolorway = theme_config["colorway"]
+        layout.paper_bgcolor = theme_config["paper_bgcolor"]
+        layout.plot_bgcolor = theme_config["plot_bgcolor"]
+        layout.font.family = font_family
+
+        # Grid settings
+        for axis in (layout.xaxis, layout.yaxis):
+            axis.gridcolor = theme_config["gridcolor"]
+            axis.gridwidth = 0.5
+            axis.zerolinecolor = theme_config["gridcolor"]
+
+        # Geo settings
+        layout.geo.bgcolor = theme_config["plot_bgcolor"]
+        layout.geo.lakecolor = theme_config["plot_bgcolor"]
+        layout.geo.landcolor = theme_config["plot_bgcolor"]
+
+        # Hover label settings
+        layout.hoverlabel.font.family = font_family
+
+        # Scatter plot settings
+        template.data.scatter = (go.Scatter(marker_line_color=theme_config["plot_bgcolor"]),)
+        template.data.scattergl = (go.Scattergl(marker_line_color=theme_config["plot_bgcolor"]),)
+
+        return template
+
+
+    # #register templates
+    pio.templates["mantine_light"] = make_template("light")
+    pio.templates["mantine_dark"] = make_template("dark")
+
+    return None
+
+
+# Create and register templates
+create_mantine_figure_templates()