Implemented simple prototype connect tool menu

editor/editor.php

@@ -2,7 +2,16 @@
     <h1>Interface</h1>
     <div id="2d-graph"></div>
     <section id="toolbar"></section>
-    <section id="tool-menu" class="hidden"></section>
+    <section id="tool-menu">
+        <div id="connect-menu" class="hidden">
+            <label for="link-type">Link Type</label>
+            <select id="link-type" name="link-type">
+                <option value="Vorlesung">Lecture</option>
+                <option value="Algorithmus">Algorithm</option>
+                <option value="Definition">Definition</option>
+            </select>
+        </div>
+    </section>
     <section>
         <h3 id="selected-item">Nothing selected</h3>
         <ul id="selected-params"></ul>

editor/js/tools/connecttool.js

 import Tool from "./tool";
 import { graph, state } from "../editor";
 import * as Graph from "../graph";
+import ConnectMenu from "./menus/connectmenu";
 
 const KEEP_SOURCE_KEY_ID = 17;
 
@@ -8,6 +9,7 @@ export default class ConnectTool extends Tool {
     constructor(key) {
         super("Connect two nodes", "connect", key);
         this.keepSource = false;
+        this.menu = new ConnectMenu(this);
     }
 
     onNodeClick(node) {
@@ -21,9 +23,13 @@ export default class ConnectTool extends Tool {
         }
 
         // Add new link
+        var details = {};
+        details[Graph.LINK_TYPE] = this.menu.value("link-type");
+
         var link = graph.addLink(
             state.selectedItem[Graph.NODE_ID],
-            node[Graph.NODE_ID]
+            node[Graph.NODE_ID],
+            details
         );
 
         if (link === undefined) {

editor/js/tools/menus/connectmenu.js

+import ToolMenu from "./toolmenu";
+
+const LINK_TYPE_SEL = "#link-type";
+
+export default class ConnectMenu extends ToolMenu {
+    constructor(tool) {
+        super(tool);
+    }
+
+    beforeGet(key) {
+        if (key === "link-type") {
+            return this.getChildren(LINK_TYPE_SEL).val();
+        }
+    }
+}
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