Past nodes fixed, codestyle

js/input/Paste.js

@@ -1,18 +1,41 @@
 import GraphNode from "../graph/GraphNode"
-import KeyboardShortcut from "./KeyboardShortcut"
+import ObjectSerializer from "../serialization/ObjectSerializer"
+import Context from "./Context"
 
-export default class Paste extends KeyboardShortcut {
+export default class Paste extends Context {
 
-    constructor(target, blueprint) {
-        super(target, blueprint, {
-            keys: ["Control", "C"]
-        })
+    constructor(target, blueprint, options = {}) {
+        options.wantsFocusCallback = true
+        super(target, blueprint, options)
+
+        this.serializer = new ObjectSerializer()
+
+        let self = this
+        this.pasteHandle = e => self.pasted(e.clipboardData.getData("Text"))
     }
 
-    fire() {
-        let value = navigator.clipboard.readText()
-        let nodes = this.serializer.readMultiple(value).map(entity => new GraphNode(entity))
+    blueprintFocused() {
+        document.body.addEventListener("paste", this.pasteHandle)
+    }
+
+    blueprintUnfocused() {
+        document.body.removeEventListener("paste", this.pasteHandle)
+    }
+
+    pasted(value) {
+        let top = Number.MAX_SAFE_INTEGER
+        let left = Number.MAX_SAFE_INTEGER
+        let nodes = this.serializer.readMultiple(value).map(entity => {
+            let node = new GraphNode(entity)
+            top = Math.min(top, node.location[1])
+            left = Math.min(left, node.location[0])
+            return node
+        })
+        let mousePosition = this.blueprint.entity.mousePosition
+        nodes.forEach(node => {
+            node.location[0] += mousePosition[0] - left
+            node.location[1] += mousePosition[1] - top
+        })
         this.blueprint.addNode(...nodes)
     }
-
 }