flow like the river

2025-11-07 00:06:12 +01:00 · 2025-11-07 00:06:12 +01:00 · 013fe673f3
commit 013fe673f3
42435 changed files with 5764238 additions and 0 deletions
--- a/BACK_BACK/node_modules/force-graph/example/multi-selection/index.html
+++ b/BACK_BACK/node_modules/force-graph/example/multi-selection/index.html
@ -0,0 +1,57 @@
+<head>
+  <style> body { margin: 0; } </style>
+
+  <script src="//unpkg.com/force-graph"></script>
+<!--  <script src="../../dist/force-graph.js"></script>-->
+</head>
+
+<body>
+  <div id="graph"></div>
+
+  <script>
+    // Random tree
+    const N = 30;
+    const gData = {
+      nodes: [...Array(N).keys()].map(i => ({ id: i })),
+      links: [...Array(N).keys()]
+        .filter(id => id)
+        .map(id => ({
+          source: id,
+          target: Math.round(Math.random() * (id-1))
+        }))
+    };
+
+    let selectedNodes = new Set();
+
+    const Graph = ForceGraph()
+      (document.getElementById('graph'))
+        .graphData(gData)
+        .nodeRelSize(7)
+        .nodeColor(node => selectedNodes.has(node) ? 'darkorange' : 'grey')
+        .onNodeClick((node, event) => {
+          if (event.ctrlKey || event.shiftKey || event.altKey) { // multi-selection
+            selectedNodes.has(node) ? selectedNodes.delete(node) : selectedNodes.add(node);
+          } else { // single-selection
+            const untoggle = selectedNodes.has(node) && selectedNodes.size === 1;
+            selectedNodes.clear();
+            !untoggle && selectedNodes.add(node);
+          }
+
+          Graph.nodeColor(Graph.nodeColor()); // update color of selected nodes
+        })
+        .onNodeDrag((node, translate) => {
+          if (selectedNodes.has(node)) { // moving a selected node
+            [...selectedNodes]
+              .filter(selNode => selNode !== node) // don't touch node being dragged
+              .forEach(node => ['x', 'y'].forEach(coord => node[`f${coord}`] = node[coord] + translate[coord])); // translate other nodes by same amount
+          }
+        })
+        .onNodeDragEnd(node => {
+          if (selectedNodes.has(node)) { // finished moving a selected node
+            [...selectedNodes]
+              .filter(selNode => selNode !== node) // don't touch node being dragged
+              .forEach(node => ['x', 'y'].forEach(coord => node[`f${coord}`] = undefined)); // unfix controlled nodes
+          }
+        });
+  </script>
+</body>