feat: 添加复制节点

src/views/flow/index.vue

@@ -193,7 +193,8 @@
               v-if="property.componentType === 'number'"
               v-model="property.input"
               :min="0"
-              :controls="false"
+              :max="property.max || Infinity"
+              :step="property.step || 1"
               :step-strictly="true"
               placeholder="请输入"
               clearable
@@ -880,6 +881,7 @@ const nodeAction = ref("");
 
 const singleNodeExecution = (e) => {
   const { name, nodeType, nodeParams, action } = e.detail;
+  console.log('nodeParams', nodeParams)
   nodeName.value = name;
   visible.value = true;
   nodeAction.value = action;
@@ -932,11 +934,80 @@ const clearRun = () => {
   totalRunningTime.value = 0;
 }
 
-const handleDeleteKey = (event) => {
-  const activeElement = document.activeElement;
-  if (["INPUT", "TEXTAREA"].includes(activeElement?.tagName) || activeElement?.isContentEditable) return;
+const NODE_PASTE_OFFSET = 40;
+const NON_COPYABLE_NODE_TYPES = new Set(["start", "end", "selectArea"]);
+let copiedNodes = [];
+let pasteCount = 0;
 
-  if ((event.ctrlKey || event.metaKey) && event.key.toLowerCase() === "z") {
+const isTextEditing = (event) => {
+  const element = event.target || document.activeElement;
+  return ["INPUT", "TEXTAREA", "SELECT"].includes(element?.tagName)
+    || element?.isContentEditable;
+};
+
+const copySelectedNodes = (event) => {
+  const nodes = lf.getSelectElements().nodes.filter(
+    (node) => !NON_COPYABLE_NODE_TYPES.has(node.type),
+  );
+  if (!nodes.length) return;
+
+  event.preventDefault();
+  copiedNodes = JSON.parse(JSON.stringify(nodes));
+  pasteCount = 0;
+};
+
+const pasteCopiedNodes = (event) => {
+  if (!copiedNodes.length || flowStore.disableForm) return;
+
+  event.preventDefault();
+  pasteCount += 1;
+  const offset = NODE_PASTE_OFFSET * pasteCount;
+  const pastedNodes = copiedNodes.map((sourceNode) => {
+    const properties = JSON.parse(JSON.stringify(sourceNode.properties || {}));
+    const parentId = properties.parentId;
+    delete properties.parentId;
+
+    const newNode = lf.addNode({
+      type: sourceNode.type,
+      x: Number(sourceNode.x || 0) + offset,
+      y: Number(sourceNode.y || 0) + offset,
+      properties,
+    });
+
+    if (sourceNode.type === "branch" && Array.isArray(properties.anchor)) {
+      const oldElseId = `${sourceNode.id}_else`;
+      const newElseId = `${newNode.id}_else`;
+      const anchors = properties.anchor.map((anchor) => (
+        anchor.id === oldElseId ? { ...anchor, id: newElseId } : anchor
+      ));
+      lf.setProperties(newNode.id, { ...properties, anchor: anchors });
+    }
+
+    if (parentId && lf.getNodeModelById(parentId)) {
+      lf.addToGroup(parentId, newNode.id, { x: newNode.x, y: newNode.y });
+    }
+    return newNode;
+  });
+
+  lf.clearSelectElements();
+  if (pastedNodes.length === 1) lf.selectElementById(pastedNodes[0].id);
+};
+
+const handleKeyboardShortcut = (event) => {
+  if (isTextEditing(event)) return;
+
+  const isModifierKey = event.ctrlKey || event.metaKey;
+  const key = event.key.toLowerCase();
+  if (isModifierKey && key === "c") {
+    if (!flowStore.disableForm) copySelectedNodes(event);
+    return;
+  }
+  if (isModifierKey && key === "v") {
+    pasteCopiedNodes(event);
+    return;
+  }
+
+  if (isModifierKey && key === "z") {
     if (flowStore.disableForm) return;
     event.preventDefault();
     if (event.shiftKey) lf.redo();
@@ -972,7 +1043,7 @@ onMounted(() => {
   initFlow();
   document.addEventListener("singleNodeExecution", singleNodeExecution);
   registerBeforeUnload();
-  window.addEventListener("keydown", handleDeleteKey);
+  window.addEventListener("keydown", handleKeyboardShortcut);
 
   onFlowEvent("openParamsDrawer", (node) => {
     showParamsDrawer.value = true;
@@ -1024,7 +1095,7 @@ onUnmounted(() => {
   if (window.lf === lf) delete window.lf;
 
   window.removeEventListener("beforeunload", handleBeforeUnload);
-  window.removeEventListener("keydown", handleDeleteKey);
+  window.removeEventListener("keydown", handleKeyboardShortcut);
   document.removeEventListener("singleNodeExecution", singleNodeExecution);
 });
 </script>