gantt prototype

Author: LuiggiTenorioK

src/common/GanttChart.jsx

@@ -0,0 +1,123 @@
+const DATA = [
+  {
+    id: 1,
+    name: "Task 1",
+    start: "2025-04-07T12:00:00Z",
+    end: "2025-04-07T13:00:00Z",
+  },
+  {
+    id: 2,
+    name: "Task 2",
+    start: "2025-04-07T13:00:00Z",
+    end: "2025-04-07T14:00:00Z",
+  },
+  {
+    id: 3,
+    name: "Task 3",
+    start: "2025-04-07T14:00:00Z",
+    end: "2025-04-07T15:00:00Z",
+  },
+  {
+    id: 4,
+    name: "Task 4 very long name that should be truncated long name. lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.",
+    start: "2025-04-07T15:00:00Z",
+    end: "2025-04-07T16:00:00Z",
+  },
+];
+
+/**
+ * GanttChart component
+ */
+const GanttChart = ({ data }) => {
+  data = data || DATA;
+
+  // endDate is now or the max end date of the tasks
+  let endDate = new Date();
+  data.forEach((task) => {
+    const taskEndDate = new Date(task.end);
+    if (taskEndDate > endDate) {
+      endDate = taskEndDate;
+    }
+  });
+
+  // startDate is now minus 1 day
+  let startDate = new Date();
+  startDate.setDate(startDate.getDate() - 1);
+  data.forEach((task) => {
+    const taskStartDate = new Date(task.start);
+    if (taskStartDate < startDate) {
+      startDate = taskStartDate;
+    }
+  });
+
+  // Get the number of hours between startDate and endDate
+  const hours = Math.abs(endDate - startDate) / 36e5;
+
+  // Gantt chart with a floating sidebar and a scrollable chart
+  return (
+    <div className="flex flex-row">
+      {/* Sidebar with task names */}
+      <div className="w-1/4">
+        <div className="h-[3rem] box-border border-b border-r"></div>
+        {data.map((task) => (
+          <div
+            key={task.id}
+            className="max-w-full h-[3rem] px-2 flex items-center box-border border-b border-l border-r"
+          >
+            <span className="truncate text-sm">{task.name}</span>
+          </div>
+        ))}
+      </div>
+
+      {/* Gantt chart */}
+      <div
+        className="w-3/4 overflow-x-scroll custom-scrollbar"
+        ref={(el) => {
+          if (el) {
+            el.scrollLeft = el.scrollWidth;
+          }
+        }}
+      >
+        <div className="flex flex-col" style={{ width: `${hours * 100}px` }}>
+          <div className="h-[3rem] border-b flex">
+            {[...Array(hours).keys()].map((i) => (
+              <div
+                key={i}
+                className="w-[100px] h-full box-border border-r flex items-center justify-center"
+              >
+                {new Date(startDate.getTime() + i * 36e5).toLocaleTimeString(
+                  "en-US",
+                  {
+                    hour: "2-digit",
+                    minute: "2-digit",
+                  }
+                )}
+              </div>
+            ))}
+          </div>
+
+          {data.map((task) => (
+            <div
+              className="h-[3rem] box-border border-b flex items-center py-1"
+              key={task.id}
+            >
+              <div
+                className="bg-blue-700 text-white w-full max-w-full h-full flex items-center truncate rounded-sm"
+                style={{
+                  width: `${
+                    ((new Date(task.end) - new Date(task.start)) / 36e5) * 100
+                  }px`,
+                  marginLeft: `${
+                    ((new Date(task.start) - startDate) / 36e5) * 90
+                  }px`,
+                }}
+              ></div>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default GanttChart;

src/layout/Router.jsx

@@ -27,6 +27,7 @@ import { appActions } from "../store/appSlice";
 import { useEffect } from "react";
 import Footer from "./Footer";
 import TopAnnouncement from "./TopAnnouncement";
+import ExperimentGanttView from "../pages/ExperimentGanttView";
 
 const router = createBrowserRouter(
   [
@@ -102,6 +103,10 @@ const router = createBrowserRouter(
               path: "/experiment/:expid/performance",
               element: <ExperimentPerformance />,
             },
+            {
+              path: "/experiment/:expid/gantt",
+              element: <ExperimentGanttView />,
+            }
           ],
         },
       ],

src/pages/ExperimentGanttView.jsx

@@ -0,0 +1,12 @@
+
+import GanttChart from "../common/GanttChart"
+
+
+const ExperimentGanttView = () => {
+  return (
+    <div className="w-full flex flex-col gap-4">
+      <GanttChart />
+    </div>
+  )
+}
+export default ExperimentGanttView;