Objects Mass increase and Scaling

freefalltower.pro.user

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 2.7.0, 2014-09-18T15:05:10. -->
+<!-- Written by QtCreator 2.7.0, 2014-09-18T15:38:43. -->
 <qtcreator>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>

qml/freefalltower/main.qml

@@ -12,7 +12,81 @@ Rectangle {
         text: qsTr("Welcome to Freefall tower")
         font.pixelSize: 12
     }
+    DropArea {
+            id : mass_drop_area
+            x: 25; y: 298
+            clip: true
+            width: 100; height: 37
+            //onEntered: maincanvas.state = Qt.new_method(1)
+            Rectangle {
+                x: 0
+                y: 0
+                anchors.fill: parent
+                opacity: 0.5
+                border.color: "red"
+                visible: parent.containsDrag
+            }
+            onDropped: {
+                status_text.text = qsTr("You have moved a " + drag.source.objectName)
+                mass_edit.currentItem = drag.source
+                mass_edit.text = drag.source.objectMass
+                //mass_edit.objectChanged()
+            }
+
+    }
+    TextInput {
+        id: mass_text
+        x: 25
+        y: 444
+        text: qsTr("Mass :: ")
+        font.pixelSize: 12
+    }
+
+    TextEdit {
+        id: mass_edit
+        x: 88
+        y: 441
+        width: 80
+        height: 20
+        text: qsTr("0")
+        property Image currentItem
+        cursorVisible: true
+        textFormat: TextEdit.AutoText
+        signal objectChanged()
+        Rectangle {
+            anchors.fill: parent
+            opacity: 0.2
+            border.color: "red"
+        }
+        horizontalAlignment: TextEdit.AlignHCenter
+        verticalAlignment: TextEdit.AlignVCenter
+        font.pixelSize: 12
+        onObjectChanged: {
+         currentItem.width += 100
+        }
+        onTextChanged: {
+            if (currentItem != null){
+                if (currentItem.objectMass != 0){
+                    var scaleRatio = text / currentItem.objectMass
+                    currentItem.objectMass = text
+                    currentItem.objectWidth = scaleRatio * currentItem.objectWidth
+                    currentItem.objectHeight = scaleRatio * currentItem.objectHeight
+
+                }
+            }
+        }
 
+    }
+
+
+    Image {
+        id: scale_object
+        x: 25
+        y: 335
+        width: 100
+        height: 100
+        source: "scale.png"
+    }
     GridView {
         id: objects_grid
         x: 25
@@ -20,13 +94,6 @@ Rectangle {
         width: 112
         height: 85
         model : Qt.createComponent("objects.qml").createObject(null);
-//        Text  {
-//            anchors.bottom: parent.top
-//            font.weight: Font.Bold
-//            font.underline: true
-
-//            text : "Objects"
-//        }
         delegate: Item {
             x: 5
             height: 50
@@ -35,10 +102,44 @@ Rectangle {
                 Rectangle {
                     width: 40
                     height: 40
+
                     Image {
+
+                     id : object_image
                      width: init_width
                      height : init_height
                      source : image
+                     Drag.source : object_image
+                     Drag.active: dragArea.drag.active
+
+
+                     property string objectName: name
+                     property real objectMass : mass
+                     property real objectWidth : width
+                     property real objectHeight : height
+                     signal scale(var changed_mass)
+                     MouseArea  {
+                       id: dragArea
+                       anchors.fill: parent
+                       drag.target: parent
+                       onClicked:  {
+                           status_text.text = "You have selected a " + name
+                       }
+                       onReleased: {
+                           parent.Drag.drop()
+                       }
+                     }
+                     onObjectWidthChanged: {
+                      width = objectWidth
+                     }
+                     onObjectHeightChanged:  {
+                      height = objectHeight
+                     }
+                     onObjectMassChanged:  {
+                        mass = objectMass
+                     }
+
+
                     }
                     anchors.horizontalCenter: parent.horizontalCenter
                 }
@@ -55,4 +156,6 @@ Rectangle {
         cellWidth: 70
     }
 
+
+
 }