Removing tab switch on file open due to previous fix about first tab length.

Only remaining non convered case is recursive dependencies, but I'm not willing to tackle that yet.

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogarithmPlotter.qml

@@ -272,15 +272,15 @@ ApplicationWindow {
                 history.unserialize(...data["history"])
             
             // Refreshing sidebar
-            if(sidebarSelector.currentIndex == 0) {
+            //if(sidebarSelector.currentIndex == 0) {
-                // For some reason, if we load a file while the tab is on object,
+            //    // For some reason, if we load a file while the tab is on object,
-                // we get stuck in a Qt-side loop? Qt bug or side-effect here, I don't know.
+            //    // we get stuck in a Qt-side loop? Qt bug or side-effect here, I don't know.
-                sidebarSelector.currentIndex = 1
+            //    sidebarSelector.currentIndex = 1
+            //    objectLists.update()
+            //    delayRefreshTimer.start()
+            //} else {
                 objectLists.update()
-                delayRefreshTimer.start()
+            //}
-            } else {
-                objectLists.update()
-            }
         } else {
             error = qsTr("Invalid file provided.")
         }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/Editor/CustomPropertyList.qml

@@ -36,7 +36,7 @@ import "../../js/mathlib.js" as MathLib
     \sa Dialog
 */
 Repeater {
-    id: dlgCustomProperties
+    id: root
     
     signal changed()
     
@@ -90,21 +90,52 @@ Repeater {
                 }
             }
             onChanged: function(newValue) {
-                var newValue = {
+                try {
-                    'Expression': () => new MathLib.Expression(newValue),
+                    var newValueParsed = {
+                        'Expression': () => {
+                            let expr = new MathLib.Expression(newValue)
+                            // Check if the expression is valid, throws error otherwise.
+                            if(!expr.allRequirementsFullfilled()) {
+                                let undefVars = expr.undefinedVariables()
+                                console.log(JSON.stringify(undefVars), undefVars.join(', '))
+                                if(undefVars.length > 1)
+                                    throw new Error(qsTranslate('error', 'No object found with names %1.').arg(undefVars.join(', ')))
+                                else
+                                    throw new Error(qsTranslate('error', 'No object found with name %1.').arg(undefVars.join(', ')))
+                            }
+                            if(expr.requiredObjects().includes(obj.name))
+                                throw new Error(qsTranslate('error', 'Object cannot be dependent on itself.'))
+                                // TODO: Check for recursive dependencies.
+                            return expr
+                        },
                         'Domain': () => MathLib.parseDomain(newValue),
                         'string': () => newValue,
                         'number': () => parseFloat(newValue)
                     }[propertyType]()
+                                        
                     // Ensuring old and new values are different to prevent useless adding to history.
-                if(obj[propertyName] != newValue) {
+                    if(obj[propertyName] != newValueParsed) {
                         history.addToHistory(new HistoryLib.EditedProperty(
                             obj.name, objType, propertyName, 
-                        obj[propertyName], newValue
+                            obj[propertyName], newValueParsed
                         ))
-                    obj[propertyName] = newValue
+                        obj[propertyName] = newValueParsed
-                    Objects.currentObjects[objType][objIndex].update()
+                        root.changed()
-                    objectListList.update()
+                    }
+                } catch(e) {
+                    // Error in expression or domain
+                    parsingErrorDialog.showDialog(propertyName, newValue, e.message)
+                }
+            }
+            
+        
+            D.MessageDialog {
+                id: parsingErrorDialog
+                title: qsTr("LogarithmPlotter - Parsing error")
+                text: ""
+                function showDialog(propName, propValue, error) {
+                    text = qsTr("Error while parsing expression for property %1:\n%2\n\nEvaluated expression: %3").arg(propName).arg(error).arg(propValue)
+                    open()
                 }
             }
         }
@@ -126,8 +157,7 @@ Repeater {
                     obj[propertyName], this.checked
                 ))
                 obj[propertyName] = this.checked
-                Objects.currentObjects[objType][objIndex].update()
+                root.changed()
-                objectListList.update()
             }
         }
     }
@@ -187,8 +217,7 @@ Repeater {
                     obj[propertyName] = baseModel[newIndex]
                 }
                 // Refreshing
-                Objects.currentObjects[objType][objIndex].update()
+                root.changed()
-                objectListList.update()
             }
         }
     }
@@ -217,9 +246,7 @@ Repeater {
                 ))
                 //Objects.currentObjects[objType][objIndex][propertyName] = exported
                 obj[propertyName] = exported
-                //Objects.currentObjects[objType][objIndex].update()
+                root.changed()
-                obj.update()
-                objectListList.update()
             }
             
             Component.onCompleted: {

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/Editor/Dialog.qml

@@ -120,6 +120,7 @@ D.Dialog {
             onActivated: function(newIndex) {
                 if(idModel[newIndex] != objEditor.obj.labelContent) {
                     objEditor.obj.labelContent = idModel[newIndex]
+                    objEditor.obj.update()
                     objectListList.update()
                 }
             }
@@ -129,6 +130,11 @@ D.Dialog {
         CustomPropertyList {
             id: dlgCustomProperties
             obj: objEditor.obj
+            
+            onChanged: {
+                obj.update()
+                objectListList.update()
+            }
         }
     }
     

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

@@ -144,7 +144,6 @@ Item {
         ToolTip.text: qsTr("Set %1 %2 position").arg(obj.constructor.displayType()).arg(obj.name)
         
         onClicked: {
-            console.log(obj.type, obj.name)
             posPicker.objType = obj.type
             posPicker.objName = obj.name
             posPicker.pickX = hasXProp

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/expr-eval.js

@@ -117,7 +117,11 @@ function simplify(tokens, unaryOps, binaryOps, ternaryOps, values) {
       newexpression.push(new Instruction(IEXPR, simplify(item.value, unaryOps, binaryOps, ternaryOps, values)));
     } else if (type === IMEMBER && nstack.length > 0) {
       n1 = nstack.pop();
+      //console.log("Getting property ", item.value, "of", n1)
+      if(item.value in n1.value)
         nstack.push(new Instruction(INUMBER, n1.value[item.value]));
+      else
+        throw new Error(qsTranslate('error', 'Cannot find property %1 of object %2.').arg(item.value).arg(n1))
     } /* else if (type === IARRAY && nstack.length >= item.value) {
       var length = item.value;
       while (length-- > 0) {
@@ -217,7 +221,7 @@ function evaluate(tokens, expr, values) {
         if (v !== undefined) {
           nstack.push(v);
         } else {
-          throw new Error('undefined variable: ' + item.value);
+          throw new Error(qsTranslate('error', 'Undefined variable %1.').arg(item.value));
         }
       }
     } else if (type === IOP1) {
@@ -237,7 +241,7 @@ function evaluate(tokens, expr, values) {
         // Objects & expressions execution
         nstack.push(f.execute.apply(f, args));
       } else {
-        throw new Error(f + ' cannot be executed');
+        throw new Error(qsTranslate('error', '%1 cannot be executed.').arg(f));
       }
     } else if (type === IFUNDEF) {
       // Create closure to keep references to arguments and expression
@@ -270,7 +274,11 @@ function evaluate(tokens, expr, values) {
       nstack.push(item);
     } else if (type === IMEMBER) {
       n1 = nstack.pop();
+      //console.log("Getting property", item.value, "of", n1)
+      if(item.value in n1)
         nstack.push(n1[item.value]);
+      else
+        throw new Error(qsTranslate('error', 'Cannot find property %1 of object %2.').arg(item.value).arg(n1))
     } else if (type === IENDSTATEMENT) {
       nstack.pop();
     } else if (type === IARRAY) {
@@ -281,11 +289,11 @@ function evaluate(tokens, expr, values) {
       }
       nstack.push(args);
     } else {
-      throw new Error('invalid Expression');
+      throw new Error(qsTranslate('error', 'Invalid expression.'));
     }
   }
   if (nstack.length > 1) {
-    throw new Error('invalid Expression (parity)');
+    throw new Error(qsTranslate('error', 'Invalid expression (parity).'));
   }
   // Explicitly return zero to avoid test issues caused by -0
   return nstack[0] === 0 ? 0 : resolveExpression(nstack[0], values);
@@ -361,7 +369,7 @@ function expressionToString(tokens, toJS) {
       if (f === '?') {
         nstack.push('(' + n1 + ' ? ' + n2 + ' : ' + n3 + ')');
       } else {
-        throw new Error('invalid Expression');
+        throw new Error(qsTranslate('error', 'Invalid expression.'));
       }
     } else if (type === IVAR || type === IVARNAME) {
       nstack.push(item.value);
@@ -417,7 +425,7 @@ function expressionToString(tokens, toJS) {
     } else if (type === IEXPR) {
       nstack.push('(' + expressionToString(item.value, toJS) + ')');
     } else if (type === IENDSTATEMENT) ; else {
-      throw new Error('invalid Expression');
+      throw new Error(qsTranslate('error', 'Invalid expression.'));
     }
   }
   if (nstack.length > 1) {
@@ -605,7 +613,7 @@ TokenStream.prototype.next = function () {
       this.isName()) {
     return this.current;
   } else {
-    this.parseError('Unknown character "' + this.expression.charAt(this.pos) + '"');
+    this.parseError(qsTranslate('error', 'Unknown character "%1".').arg(this.expression.charAt(this.pos)));
   }
 };
 
@@ -799,13 +807,13 @@ TokenStream.prototype.unescape = function (v) {
         // interpret the following 4 characters as the hex of the unicode code point
         var codePoint = v.substring(index + 1, index + 5);
         if (!codePointPattern.test(codePoint)) {
-          this.parseError('Illegal escape sequence: \\u' + codePoint);
+          this.parseError(qsTranslate('error', 'Illegal escape sequence: %1.').arg("\\u" + codePoint));
         }
         buffer += String.fromCharCode(parseInt(codePoint, 16));
         index += 4;
         break;
       default:
-        throw this.parseError('Illegal escape sequence: "\\' + c + '"');
+        throw this.parseError(qsTranslate('error', 'Illegal escape sequence: %1.').arg('\\' + c));
     }
     ++index;
     var backslash = v.indexOf('\\', index);
@@ -1007,7 +1015,7 @@ TokenStream.prototype.getCoordinates = function () {
 
 TokenStream.prototype.parseError = function (msg) {
   var coords = this.getCoordinates();
-  throw new Error('parse error [' + coords.line + ':' + coords.column + ']: ' + msg);
+  throw new Error(qsTranslate('error', 'Parse error [%1:%2]: %3').arg(coords.line).arg(coords.column).arg(msg));
 };
 
 function ParserState(parser, tokenStream, options) {
@@ -1061,7 +1069,9 @@ ParserState.prototype.accept = function (type, value) {
 ParserState.prototype.expect = function (type, value) {
   if (!this.accept(type, value)) {
     var coords = this.tokens.getCoordinates();
-    throw new Error('parse error [' + coords.line + ':' + coords.column + ']: Expected ' + (value || type));
+    throw new Error(qsTranslate('error', 'Parse error [%1:%2]: %3')
+      .arg(coords.line).arg(coords.column)
+      .arg(qsTranslate('error', 'Expected %1').arg(qsTranslate('error',value) || type)));
   }
 };
 
@@ -1088,7 +1098,7 @@ ParserState.prototype.parseAtom = function (instr) {
       instr.push(new Instruction(IARRAY, argCount));
     }
   } else {
-    throw new Error('unexpected ' + this.nextToken);
+    throw new Error(qsTranslate('error', 'Unexpected %1').arg(this.nextToken));
   }
 };
 
@@ -1145,7 +1155,7 @@ ParserState.prototype.parseVariableAssignmentExpression = function (instr) {
     var lastInstrIndex = instr.length - 1;
     if (varName.type === IFUNCALL) {
       if (!this.tokens.isOperatorEnabled('()=')) {
-        throw new Error('function definition is not permitted');
+        throw new Error(qsTranslate('error', 'Function definition is not permitted.'));
       }
       for (var i = 0, len = varName.value + 1; i < len; i++) {
         var index = lastInstrIndex - i;
@@ -1159,7 +1169,7 @@ ParserState.prototype.parseVariableAssignmentExpression = function (instr) {
       continue;
     }
     if (varName.type !== IVAR && varName.type !== IMEMBER) {
-      throw new Error('expected variable for assignment');
+      throw new Error(qsTranslate('error', 'Expected variable for assignment.'));
     }
     this.parseVariableAssignmentExpression(varValue);
     instr.push(new Instruction(IVARNAME, varName.value));
@@ -1323,21 +1333,21 @@ ParserState.prototype.parseMemberExpression = function (instr) {
 
     if (op.value === '.') {
       if (!this.allowMemberAccess) {
-        throw new Error('unexpected ".", member access is not permitted');
+        throw new Error(qsTranslate('error', 'Unexpected ".": member access is not permitted'));
       }
 
       this.expect(TNAME);
       instr.push(new Instruction(IMEMBER, this.current.value));
     } else if (op.value === '[') {
       if (!this.tokens.isOperatorEnabled('[')) {
-        throw new Error('unexpected "[]", arrays are disabled');
+        throw new Error(qsTranslate('error', 'Unexpected "[]": arrays are disabled.'));
       }
 
       this.parseExpression(instr);
       this.expect(TBRACKET, ']');
       instr.push(binaryInstruction('['));
     } else {
-      throw new Error('unexpected symbol: ' + op.value);
+      throw new Error(qsTranslate('error', 'Unexpected symbol: %1.').arg(op.value));
     }
   }
 };
@@ -1614,10 +1624,10 @@ function min(array) {
 
 function arrayMap(f, a) {
   if (typeof f !== 'function') {
-    throw new Error('First argument to map is not a function');
+    throw new Error(qsTranslate('error', 'First argument to map is not a function.'));
   }
   if (!Array.isArray(a)) {
-    throw new Error('Second argument to map is not an array');
+    throw new Error(qsTranslate('error', 'Second argument to map is not an array.'));
   }
   return a.map(function (x, i) {
     return f(x, i);
@@ -1626,10 +1636,10 @@ function arrayMap(f, a) {
 
 function arrayFold(f, init, a) {
   if (typeof f !== 'function') {
-    throw new Error('First argument to fold is not a function');
+    throw new Error(qsTranslate('error', 'First argument to fold is not a function.'));
   }
   if (!Array.isArray(a)) {
-    throw new Error('Second argument to fold is not an array');
+    throw new Error(qsTranslate('error', 'Second argument to fold is not an array.'));
   }
   return a.reduce(function (acc, x, i) {
     return f(acc, x, i);
@@ -1638,10 +1648,10 @@ function arrayFold(f, init, a) {
 
 function arrayFilter(f, a) {
   if (typeof f !== 'function') {
-    throw new Error('First argument to filter is not a function');
+    throw new Error(qsTranslate('error', 'First argument to filter is not a function.'));
   }
   if (!Array.isArray(a)) {
-    throw new Error('Second argument to filter is not an array');
+    throw new Error(qsTranslate('error', 'Second argument to filter is not an array.'));
   }
   return a.filter(function (x, i) {
     return f(x, i);
@@ -1650,7 +1660,7 @@ function arrayFilter(f, a) {
 
 function stringOrArrayIndexOf(target, s) {
   if (!(Array.isArray(s) || typeof s === 'string')) {
-    throw new Error('Second argument to indexOf is not a string or array');
+    throw new Error(qsTranslate('error', 'Second argument to indexOf is not a string or array.'));
   }
 
   return s.indexOf(target);
@@ -1658,7 +1668,7 @@ function stringOrArrayIndexOf(target, s) {
 
 function arrayJoin(sep, a) {
   if (!Array.isArray(a)) {
-    throw new Error('Second argument to join is not an array');
+    throw new Error(qsTranslate('error', 'Second argument to join is not an array.'));
   }
 
   return a.join(sep);
@@ -1785,7 +1795,7 @@ class Parser {
     );
     
     parserState.parseExpression(instr);
-    parserState.expect(TEOF, 'EOF');
+    parserState.expect(TEOF, QT_TRANSLATE_NOOP('error','EOF'));
     
     return new Expression(instr, this);
   }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/expression.js

@@ -47,6 +47,10 @@ class Expression {
         return this.requiredObjects().every(objName => objName in C.currentObjectsByName)
     }
     
+    undefinedVariables() {
+        return this.requiredObjects().filter(objName => !(objName in C.currentObjectsByName))
+    }
+    
     recache() {
         if(this.cached)
             this.cachedValue = this.calc.evaluate(C.currentObjectsByName)