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diff --git a/opendc-web/opendc-web-ui/src/components/context/TopologySelector.js b/opendc-web/opendc-web-ui/src/components/context/TopologySelector.js
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+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import PropTypes from 'prop-types'
+import { useRouter } from 'next/router'
+import { useMemo } from 'react'
+import { useProjectTopologies } from '../../data/topology'
+import ContextSelector from './ContextSelector'
+
+function TopologySelector({ projectId, topologyId }) {
+    const router = useRouter()
+    const { data: topologies = [] } = useProjectTopologies(projectId)
+    const activeTopology = useMemo(() => topologies.find((topology) => topology._id === topologyId), [
+        topologyId,
+        topologies,
+    ])
+
+    return (
+        <ContextSelector
+            label="Topology"
+            activeItem={activeTopology}
+            items={topologies}
+            onSelect={(topology) => router.push(`/projects/${topology.projectId}/topologies/${topology._id}`)}
+        />
+    )
+}
+
+TopologySelector.propTypes = {
+    projectId: PropTypes.string,
+    topologyId: PropTypes.string,
+}
+
+export default TopologySelector