Add bar plot

.gitignore

@@ -10,6 +10,9 @@ poetry.lock
 .cache
 .pytest_cache/
 src/ai_dashboard/__pycache__/
+src/ai_dashboard/plot_plugin/__pycache__/
+src/ai_dashboard/table_plugin/__pycache__/
+
 
 # mypy files
 .mypy_cache/

src/ai_dashboard/plot_plugin/bar_plot.py

@@ -0,0 +1,65 @@
+"""This is the bar plot module for AI Dashboard."""
+
+from typing import Any
+import logging
+
+import plotly.express as px
+from dash import html, dcc
+from dash.dependencies import Input, Output
+
+from ..base import BasePlotPlugin
+
+logger = logging.getLogger(__name__)
+
+
+class BarPlotPlugin(BasePlotPlugin):
+    """Bar Plot Plugin for AI Dashboard."""
+
+    name = "Bar Chart"
+
+    def dropdown(self, id_suffix: str, label: str) -> Any:
+        """Generate a dropdown for plot controls."""
+        cols = self.dataframe.columns.tolist()
+        return html.Div(
+            [
+                html.Label(label),
+                dcc.Dropdown(
+                    id={"type": "control", "plot": self.name, "axis": id_suffix},
+                    options=[{"label": c, "value": c} for c in cols],  # type: ignore
+                    value=cols[0],
+                    clearable=False,
+                    persistence=True,
+                    persistence_type="memory",
+                ),
+            ],
+            style={"width": "170px", "marginRight": "12px"},
+        )
+
+    def controls(self) -> Any:
+        """Generate plot controls."""
+        return html.Div(
+            [
+                self.dropdown("x", "X-Axis"),
+                self.dropdown("y", "Y-Axis"),
+            ],
+            style={"display": "flex", "flexWrap": "wrap", "gap": "12px"},
+        )
+
+    def render(self, **kwargs: Any) -> Any:  # pylint: disable=W0201
+        """Render the bar plot."""
+        x_axis = kwargs.get("x_axis")
+        y_axis = kwargs.get("y_axis")
+        fig = px.bar(self.dataframe, x=x_axis, y=y_axis, text_auto=True)
+        return dcc.Graph(figure=fig)
+
+    def register_callbacks(self, app: Any) -> None:
+        """Register callbacks for interactivity."""
+
+        @app.callback(  # type: ignore
+            Output({"type": "plot-output", "plot": self.name}, "children"),
+            Input({"type": "control", "plot": self.name, "axis": "x"}, "value"),
+            Input({"type": "control", "plot": self.name, "axis": "y"}, "value"),
+        )
+        def update_bar(x_axis: str, y_axis: str) -> Any:
+            """Update the bar chart based on dropdown selections."""
+            return self.render(x_axis=x_axis, y_axis=y_axis)