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<h1 class="title">dragselection.qml Example File</h1>
<span class="subtitle">views/delegatemodel/dragselection.qml</span>
<!-- $$$views/delegatemodel/dragselection.qml-description -->
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  import QtQuick 2.0
  import QtQml.Models 2.1

  Item {
      id: root

      width: 320
      height: 480

      property bool dragging: false

      Component {
          id: packageDelegate
          Package {
              id: packageRoot

              MouseArea {
                  id: visibleContainer
                  Package.name: "visible"

                  width: 64
                  height: 64
                  enabled: packageRoot.DelegateModel.inSelected

                  drag.target: draggable

                  Item {
                      id: draggable

                      width: 64
                      height: 64

                      Drag.active: visibleContainer.drag.active

                      anchors { horizontalCenter: parent.horizontalCenter; verticalCenter: parent.verticalCenter }

                      states: State {
                          when: visibleContainer.drag.active
                          AnchorChanges { target:  draggable; anchors { horizontalCenter: undefined; verticalCenter: undefined} }
                          ParentChange { target: selectionView; parent: draggable; x: 0; y: 0 }
                          PropertyChanges { target: root; dragging: true }
                          ParentChange { target: draggable; parent: root }
                      }
                  }
                  DropArea {
                      anchors.fill: parent
                      onEntered: selectedItems.move(0, visualModel.items.get(packageRoot.DelegateModel.itemsIndex), selectedItems.count)
                  }
              }
              Item {
                  id: selectionContainer
                  Package.name: "selection"

                  width: 64
                  height: 64

                  visible: PathView.onPath
              }
              Rectangle {
                  id: content
                  parent: visibleContainer

                  width: 58
                  height: 58

                  radius: 8

                  gradient: Gradient {
                      GradientStop { id: gradientStart; position: 0.0; color: "#8AC953" }
                      GradientStop { id: gradientEnd; position: 1.0; color: "#8BC953" }
                  }

                  border.width: 2
                  border.color: "#007423"

                  state: root.dragging && packageRoot.DelegateModel.inSelected ? "selected" : "visible"

                  Text {
                      anchors.fill: parent
                      horizontalAlignment: Text.AlignHCenter
                      verticalAlignment: Text.AlignVCenter
                      color: "white"
                      text: modelData
                      font.pixelSize: 18
                  }

                  Rectangle {
                      anchors { right: parent.right; top: parent.top; margins: 3 }
                      width: 12; height: 12
                      color: packageRoot.DelegateModel.inSelected ? "black" : "white"
                      radius: 6

                      border.color: "white"
                      border.width: 2

                      MouseArea {
                          anchors.fill: parent
                          onClicked: packageRoot.DelegateModel.inSelected = !packageRoot.DelegateModel.inSelected
                      }
                  }

                  states: [
                      State {
                          name: "selected"
                          ParentChange { target: content; parent: selectionContainer; x: 3; y: 3 }
                          PropertyChanges { target: packageRoot; DelegateModel.inItems: visibleContainer.drag.active }
                          PropertyChanges { target: gradientStart; color: "#017423" }
                          PropertyChanges { target: gradientStart; color: "#007423" }
                      }, State {
                          name: "visible"
                          PropertyChanges { target: packageRoot; DelegateModel.inItems: true }
                          ParentChange { target: content; parent: visibleContainer; x: 3; y: 3 }
                          PropertyChanges { target: gradientStart; color: "#8AC953" }
                          PropertyChanges { target: gradientStart; color: "#8BC953" }
                      }
                  ]
                  transitions: Transition {
                      PropertyAction { target: packageRoot; properties: "DelegateModel.inItems" }
                      ParentAnimation {
                          target: content
                          NumberAnimation { target: content; properties: "x,y"; duration: 500 }
                      }
                      ColorAnimation { targets: [gradientStart, gradientEnd]; duration: 500 }
                  }
              }
          }
      }

      DelegateModel {
          id: visualModel
          model: 35
          delegate: packageDelegate

          groups: DelegateModelGroup { id: selectedItems; name: "selected" }

          Component.onCompleted:  parts.selection.filterOnGroup = "selected"
      }

      PathView {
          id: selectionView

          height: 64
          width: 64

          model: visualModel.parts.selection

          path: Path {
              startX: 0
              startY: 0
              PathLine { x: 64; y: 64 }
          }
      }

      GridView {
          id: itemsView
          anchors { fill: parent }
          cellWidth: 64
          cellHeight: 64
          model: visualModel.parts.visible
      }
  }

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