Fixing a few bugs related to dependency and text.

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/ObjectRow.qml

@@ -110,6 +110,7 @@ Item {
         MouseArea {
             anchors.fill: parent
             onClicked: {
+                console.log(obj.type)
                 objEditor.obj = Objects.currentObjects[obj.type][index]
                 objEditor.objType = obj.type
                 objEditor.objIndex = index
@@ -169,10 +170,7 @@ Item {
         ToolTip.text: qsTr("Delete %1 %2").arg(obj.constructor.displayType()).arg(obj.name)
         
         onClicked: {
-            history.addToHistory(new HistoryLib.DeleteObject(
-                obj.name, obj.type, obj.export()
-            ))
-            Objects.deleteObject(obj.name)
+            deleteRecursively(obj)
             changed()
         }
     }
@@ -207,4 +205,18 @@ Item {
             changed()
         }
     }
+    
+    /*!
+        \qmlmethod void ObjectRow::deleteRecursively(var object)
+        Deletes an object and it's dependencies recursively.
+    */
+    function deleteRecursively(object) {
+        console.log(object.name, object.requiredBy.length)
+        for(let toRemove of object.requiredBy)
+            deleteRecursively(toRemove)
+        history.addToHistory(new HistoryLib.DeleteObject(
+            object.name, object.type, object.export()
+        ))
+        Objects.deleteObject(object.name)
+    }
 }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objects.js

@@ -46,8 +46,8 @@ function deleteObject(objName) {
      * @param {string} objName - Current name of the object.
      */
     let obj = currentObjectsByName[objName]
-    delete currentObjectsByName[objName]
     currentObjects[obj.type].splice(currentObjects[obj.type].indexOf(obj),1)
+    delete currentObjectsByName[objName]
     obj.delete()
 }
 

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/common.js

@@ -200,7 +200,7 @@ class DrawableObject {
             if(properties[property] == 'Expression' && this[property] != null) {
                 // Expressions with dependencies
                 for(let objName of this[property].requiredObjects()) {
-                    if(objName in C.currentObjectsByName) {
+                    if(objName in C.currentObjectsByName && !this.requires.includes(objName)) {
                         this.requires.push(C.currentObjectsByName[objName])
                         C.currentObjectsByName[objName].requiredBy.push(this)
                     }
@@ -224,7 +224,7 @@ class DrawableObject {
      * Callback method when the object is about to get deleted.
      */
     delete() {
-        for(let toRemove of this.requiredBy) {
+        for(let toRemove of this.requiredBy) { // Normally, there should be none here, but better leave nothing just in case.
             Objects.deleteObject(toRemove.name)
         }
     }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/text.js

@@ -45,7 +45,7 @@ class Text extends Common.DrawableObject  {
                 x = 1, y = 0, labelPosition = 'center', text = 'New text', disableLatex = false) {
         if(name == null) name = Common.getNewName('t')
         super(name, visible, color, labelContent)
-        this.type = 'Point'
+        this.type = 'Text'
         if(typeof x == 'number' || typeof x == 'string') x = new MathLib.Expression(x.toString())
         this.x = x
         if(typeof y == 'number' || typeof y == 'string') y = new MathLib.Expression(y.toString())