Coffee Machine Example

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  import QtQuick 2.4
  import QtQuick.Controls 2.0
  import QtQuick.Layouts 1.3
  import Coffee 1.0

  Item {
      id: root

      width: Constants.width + Constants.leftSideBarWidth
      height: Constants.height

      property alias milkSlider: milkSlider
      property alias sugarSlider: sugarSlider

      property alias brewButtonSelection: brewButtonSelection
      property bool selected: false
      property alias brewButton: brewButton
      property alias sideBar: sideBar
      property alias backButton: backButton

      property alias questionVisible: cup.questionVisible

      property real coffeeAmount: 5

      property bool inSettings: false

      state: "initial state"

      Rectangle {
          id: rectangle
          color: Constants.backgroundColor
          anchors.fill: parent
      }

      Rectangle {
          id: rightSideBar

          x: 658
          y: 0
          width: Constants.leftSideBarWidth
          height: 768
          color: "#eec1a2"
          visible: false
          anchors.right: parent.right

          Column {
              spacing: 32
              anchors.bottom: brewButton.top
              anchors.bottomMargin: 100
              anchors.horizontalCenter: parent.horizontalCenter

              Slider {
                  id: milkSlider
                  width: 256
                  height: 48

                  to: 10
                  value: 6

                  Image {
                      x: 48
                      y: -12
                      source: "images/icons/contents/milk.png"
                  }
              }
              Slider {
                  id: sugarSlider

                  width: 256
                  height: 48
                  to: 10
                  stepSize: 1
                  value: 0

                  Image {
                      x: 48
                      y: -12
                      source: "images/icons/contents/sugar.png"
                  }
              }
          }

          NavigationButton {
              id: brewButton

              text: "Brew"
              anchors.bottom: parent.bottom
              anchors.right: parent.right
              anchors.rightMargin: Constants.defaultMargin
              anchors.bottomMargin: Constants.defaultMargin
          }
      }

      SideBar {
          id: sideBar
          width: Constants.leftSideBarWidth
      }

      states: [
          State {
              name: "initial state"
              when: !root.selected && !root.inSettings
          },
          State {
              name: "selected state"
              when: root.selected

              PropertyChanges {
                  target: cup

                  questionVisible: false
                  visible: true
              }

              PropertyChanges {
                  target: brewButton
                  visible: true
              }

              PropertyChanges {
                  target: brewButtonSelection
                  visible: true
              }
          },
          State {
              name: "settings"
              when: root.inSettings
              PropertyChanges {
                  target: cup
                  x: 354
                  y: 0
                  questionVisible: false
                  visible: true
                  milkAmount: milkSlider.value
                  sugarAmount: sugarSlider.value
              }

              PropertyChanges {
                  target: brewButton
                  visible: true
              }

              PropertyChanges {
                  target: backButton
                  opacity: 1
              }

              PropertyChanges {
                  target: rightSideBar
                  visible: true
              }
          }
      ]

      CupForm {
          id: cup
          anchors.right: rightSideBar.left
          anchors.left: sideBar.right
          visible: true
          milkAmount: sideBar.currentMilk
          coffeeAmount: sideBar.currentCoffeeAmount
          coffeeLabel: sideBar.currentCoffee
          questionVisible: true
      }
      NavigationButton {
          id: backButton
          text: "Back"
          opacity: 0
          anchors.leftMargin: Constants.defaultMargin
          anchors.bottom: parent.bottom
          anchors.left: sideBar.right
          anchors.bottomMargin: Constants.defaultMargin
          forward: false
      }

      NavigationButton {
          id: brewButtonSelection

          anchors.left: sideBar.right
          anchors.leftMargin: Constants.defaultMargin
          anchors.bottom: parent.bottom
          anchors.bottomMargin: Constants.defaultMargin
          visible: false
      }
  }