added menu, added clear workspace function, buttons file now gui file

Signed-off-by: Victor Giers <vgiers@web.de>

build/application.linux64/source/ontology.pde

@@ -7,11 +7,12 @@ boolean darkMode = true;
 void setup() {
   size(800, 600);
   surface.setResizable(true);
+  //frame.setResizable(true);
 
   textSize(textSize);
 
   initButtons();
-  
+
   /**
    * When saving, a copy of the save-file is stored locally which is opened when starting the program
    */
@@ -56,10 +57,14 @@ void draw() {
     textAlign(CORNER);
     buttons[0].display();
     if (i_selectedNode != -1) buttons[1].display();
-    buttons[2].display();
-    buttons[3].display();
-    buttons[4].display();
-    buttons[5].display();
+    if (menuOpen) {
+      buttons[2].display();
+      buttons[3].display();
+      buttons[4].display();
+      buttons[5].display();
+      buttons[6].display();
+    }
+    buttons[7].display();
     rectMode(CENTER);
     textAlign(CENTER);
     textSize(textSize);
@@ -81,3 +86,16 @@ void draw() {
     }
   }
 }
+
+void deleteAll() {
+  for (int i = 0; i < nodeCount; i++) {
+    //nodes[i].deleted = true;
+    i_selectedNode = i;
+    deleteSelectedNode();
+  }
+  nodeCount = 0;
+  for (int i = 0; i < linkCount; i++) {
+    links[i].active = false;
+  }
+  linkCount = 0;
+}