QmlDesigner.propertyEditor: removed qml warnings

Checking for undefined and null everywhere is the only way to fix this
right now

share/qtcreator/qmldesigner/propertyeditor/Qt/CheckBox.qml

@@ -7,7 +7,7 @@ QCheckBox { //This is a special CheckBox that does color coding for states
    property var baseStateFlag;
 
    checkable: true;
-   checked: backendValue.value === undefined ? false : backendValue.value;
+   checked: backendValue === undefined ? false : backendValue.value;
      onToggled: {
          backendValue.value = checked;
      }
@@ -40,6 +40,5 @@ QCheckBox { //This is a special CheckBox that does color coding for states
         backendValue: CheckBox.backendValue
         y: 2
         x: 0
-        visible: CheckBox.enabled
     }
 }

share/qtcreator/qmldesigner/propertyeditor/Qt/ComboBox.qml

@@ -6,10 +6,10 @@ QComboBox {
 	
 	property var backendValue
 	
-	ExtendedFunctionButton {
-        backendValue: ComboBox.backendValue
-        y: 3
-        x: 3
-        visible: CheckBox.enabled
-    }
-}
\ No newline at end of file
+        ExtendedFunctionButton {
+            backendValue: (ComboBox.backendValue === undefined || ComboBox.backendValue === null)
+            ? null : ComboBox.backendValue;
+            y: 3
+            x: 3
+        }
+}

share/qtcreator/qmldesigner/propertyeditor/Qt/DoubleSpinBox.qml

@@ -10,7 +10,7 @@ QWidget { //This is a special DoubleSpinBox that does color coding for states
     property alias minimum: box.minimum
     property alias maximum: box.maximum
     property alias text: label.text
-    property var enabled
+    property bool enabled
 
     minimumHeight: 22;
 
@@ -38,13 +38,13 @@ QWidget { //This is a special DoubleSpinBox that does color coding for states
         }
     }
 
-    property bool isInModel: backendValue.isInModel
+    property bool isInModel: (backendValue === undefined || backendValue === null) ? false: backendValue.isInModel;
 
     onIsInModelChanged: {
         evaluate();
     }
 
-    property bool isInSubState: backendValue.isInSubState
+    property bool isInSubState: (backendValue === undefined || backendValue === null) ? false: backendValue.isInSubState;
 
     onIsInSubStateChanged: {
         evaluate();
@@ -53,7 +53,6 @@ QWidget { //This is a special DoubleSpinBox that does color coding for states
     layout: HorizontalLayout {        
 
         QLabel {
-            visible: text != ""
             id: label;
             font.bold: true;
             alignment: "Qt::AlignRight | Qt::AlignVCenter"
@@ -64,9 +63,14 @@ QWidget { //This is a special DoubleSpinBox that does color coding for states
             id: box;
             decimals: 1;
             keyboardTracking: false;
-            enabled: !backendValue.isBound && DoubleSpinBox.enabled;
+            enabled: (DoubleSpinBox.backendValue === undefined ||
+                      DoubleSpinBox.backendValue === null)
+            ? false : !backendValue.isBound && DoubleSpinBox.enabled;
+
             property bool readingFromBackend: false;
-            property real valueFromBackend: DoubleSpinBox.backendValue == null ? .0 : DoubleSpinBox.backendValue.value;
+            property real valueFromBackend: (DoubleSpinBox.backendValue === undefined ||
+                                             DoubleSpinBox.backendValue === null)
+            ? .0 : DoubleSpinBox.backendValue.value;
             
             onValueFromBackendChanged: {
                 readingFromBackend = true;
@@ -88,7 +92,9 @@ QWidget { //This is a special DoubleSpinBox that does color coding for states
     }
 
     ExtendedFunctionButton {
-        backendValue: DoubleSpinBox.backendValue
+        backendValue: (DoubleSpinBox.backendValue === undefined ||
+                       DoubleSpinBox.backendValue === null)
+             ? null : DoubleSpinBox.backendValue;
         y: box.y + 4
         x: box.x + 2
         visible: DoubleSpinBox.enabled

share/qtcreator/qmldesigner/propertyeditor/Qt/Extended.qml

@@ -78,7 +78,7 @@ layout: VerticalLayout{
               topMargin: 12;
               IntEditor {
                 id: blurRadius;
-                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.blurRadius : 0;
+                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.blurRadius : null;
                 caption: "Blur Radius:"
                 baseStateFlag: isBaseState;
 
@@ -95,7 +95,7 @@ layout: VerticalLayout{
                 DoubleSpinBox {
                                   id: OpcacityEffectSpinBox;
                                   objectName: "OpcacityEffectSpinBox";
-                                  backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.opacity : 0;
+                                  backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.opacity : null;
                                   minimum: 0;
                                   maximum: 1;
 								  singleStep: 0.1;
@@ -130,7 +130,7 @@ layout: VerticalLayout{
               topMargin: 12;
               IntEditor {
                 id: pixelSize;
-                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.pixelSize : 0;
+                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.pixelSize : null;
                 caption: "Pixel Size:"
                 baseStateFlag: isBaseState;
 
@@ -148,7 +148,7 @@ layout: VerticalLayout{
            topMargin: 12;
               IntEditor {
                 id: blurRadiusShadow;
-                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.blurRadius : 0
+                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.blurRadius : null;
                 caption: "Blur Radius:"
                 baseStateFlag: isBaseState;
 
@@ -172,7 +172,7 @@ layout: VerticalLayout{
 
               IntEditor {
                 id: xOffset;
-                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.xOffset : 0
+                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.xOffset : null;
                 caption: "x Offset:     "
                 baseStateFlag: isBaseState;
 
@@ -183,7 +183,7 @@ layout: VerticalLayout{
 
             IntEditor {
                 id: yOffset;
-                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.yOffset : 0
+                backendValue: backendValues.effect.complexNode.exists ? backendValues.effect.complexNode.properties.yOffset : null;
                 caption: "y Offset:     "
                 baseStateFlag: isBaseState;
 

share/qtcreator/qmldesigner/propertyeditor/Qt/ExtendedFunctionButton.qml

@@ -26,8 +26,7 @@ QToolButton {
     onBackendValueChanged: {
         setIcon();
     }
-
-    property bool isBoundBackend: backendValue.isBound;
+    property bool isBoundBackend: backendValue === undefinded ? false : backendValue.isBound;
 
     onIsBoundBackendChanged: {
         setIcon();

share/qtcreator/qmldesigner/propertyeditor/Qt/IntEditor.qml

@@ -22,10 +22,15 @@ QWidget {
         }
 
         SpinBox {
-            backendValue:  IntEditor.backendValue
+            backendValue: (IntEditor.backendValue === undefined ||
+                           IntEditor.backendValue === null)
+            ? null : IntEditor.backendValue;
+
             minimum: minimumValue
             maximum: maximumValue
-            baseStateFlag: IntEditor.baseStateFlag
+            baseStateFlag: (IntEditor.backendValue === undefined ||
+                            IntEditor.backendValue === null)
+            ? null : IntEditor.baseStateFlag;
         }
 
 

share/qtcreator/qmldesigner/propertyeditor/Qt/LineEdit.qml

@@ -5,6 +5,7 @@ QWidget {
     id: LineEdit
 
     property var backendValue
+    property alias enabled: LineEdit.enabled
 
     minimumHeight: 24;
 

share/qtcreator/qmldesigner/propertyeditor/Qt/SliderWidget.qml

@@ -3,8 +3,6 @@ import Bauhaus 1.0
 
 QWidget {
     id: SliderWidget
-    visible: IntEditor.slider
-    //fixedWidth: 100
 
     property alias value: slider.value
     property alias singleStep: slider.singleStep

share/qtcreator/qmldesigner/propertyeditor/Qt/SpinBox.qml

@@ -9,6 +9,7 @@ QWidget { //This is a special SpinBox that does color coding for states
     property alias singleStep: box.singleStep;
     property alias minimum: box.minimum
     property alias maximum: box.maximum
+    property alias enabled: SpinBox.enabled
 
     minimumHeight: 22;
 
@@ -66,8 +67,10 @@ QWidget { //This is a special SpinBox that does color coding for states
         }
     }
 
-    ExtendedFunctionButton {
-        backendValue: SpinBox.backendValue
+    ExtendedFunctionButton {        
+        backendValue: (SpinBox.backendValue === undefined ||
+                       SpinBox.backendValue === null)
+        ? null : SpinBox.backendValue;
         y: box.y + 4
         x: box.x + 2
         visible: SpinBox.enabled

share/qtcreator/qmldesigner/propertyeditor/Qt/StandardTextGroupBox.qml

@@ -78,8 +78,9 @@ GroupBox {
         ColorWidget {
             visible: showStyleColor
             text: "Style color:";
-            color: backendValues.styleColor.value;
-            onColorChanged: {
+            color: (backendValues.styleColor === undefined || backendValues.styleColor === null)
+        ? "#000000" : backendValues.styleColor.value;
+        onColorChanged: {
                 backendValues.styleColor.value = strColor;
             }
         }