Add "Swipe to Remove" example

Change-Id: Ibab960ddd073ddcdfbf2b6e4492882662c7021b5
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 167 insertions, 0 deletions

diff --git a/examples/quickcontrols2/swipetoremove/swipetoremove.qml b/examples/quickcontrols2/swipetoremove/swipetoremove.qml
new file mode 100644
index 00000000..5806423d
--- /dev/null
+++ b/examples/quickcontrols2/swipetoremove/swipetoremove.qml
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.8
+import QtQuick.Controls 2.2
+import QtQuick.Controls.Material 2.2
+
+ApplicationWindow {
+    id: window
+    width: 300
+    height: 400
+    visible: true
+    title: qsTr("Swipe to Remove")
+
+    ListView {
+        id: listView
+        anchors.fill: parent
+
+        delegate: SwipeDelegate {
+            id: delegate
+
+            text: modelData
+            width: parent.width
+
+            //! [delegate]
+            swipe.right: Rectangle {
+                width: parent.width
+                height: parent.height
+
+                clip: true
+                color: SwipeDelegate.pressed ? "#555" : "#666"
+
+                Label {
+                    font.family: "Fontello"
+                    text: delegate.swipe.complete ? "\ue805" // icon-cw-circled
+                                                  : "\ue801" // icon-cancel-circled-1
+
+                    padding: 20
+                    anchors.fill: parent
+                    horizontalAlignment: Qt.AlignRight
+                    verticalAlignment: Qt.AlignVCenter
+
+                    opacity: 2 * -delegate.swipe.position
+
+                    color: Material.color(delegate.swipe.complete ? Material.Green : Material.Red, Material.Shade200)
+                    Behavior on color { ColorAnimation { } }
+                }
+
+                Label {
+                    text: qsTr("Removed")
+                    color: "white"
+
+                    padding: 20
+                    anchors.fill: parent
+                    horizontalAlignment: Qt.AlignLeft
+                    verticalAlignment: Qt.AlignVCenter
+
+                    opacity: delegate.swipe.complete ? 1 : 0
+                    Behavior on opacity { NumberAnimation { } }
+                }
+
+                SwipeDelegate.onClicked: delegate.swipe.close()
+                SwipeDelegate.onPressedChanged: undoTimer.stop()
+            }
+            //! [delegate]
+
+            //! [removal]
+            Timer {
+                id: undoTimer
+                interval: 3600
+                onTriggered: listModel.remove(index)
+            }
+
+            swipe.onCompleted: undoTimer.start()
+            //! [removal]
+        }
+
+        model: ListModel {
+            id: listModel
+            ListElement { text: "Lorem ipsum dolor sit amet" }
+            ListElement { text: "Curabitur sit amet risus" }
+            ListElement { text: "Suspendisse vehicula nisi" }
+            ListElement { text: "Mauris imperdiet libero" }
+            ListElement { text: "Sed vitae dui aliquet augue" }
+            ListElement { text: "Praesent in elit eu nulla" }
+            ListElement { text: "Etiam vitae magna" }
+            ListElement { text: "Pellentesque eget elit euismod" }
+            ListElement { text: "Nulla at enim porta" }
+            ListElement { text: "Fusce tincidunt odio" }
+            ListElement { text: "Ut non ex a ligula molestie" }
+            ListElement { text: "Nam vitae justo scelerisque" }
+            ListElement { text: "Vestibulum pulvinar tellus" }
+            ListElement { text: "Quisque dignissim leo sed gravida" }
+        }
+
+        //! [transitions]
+        remove: Transition {
+            SequentialAnimation {
+                PauseAnimation { duration: 125 }
+                NumberAnimation { property: "height"; to: 0; easing.type: Easing.InOutQuad }
+            }
+        }
+
+        displaced: Transition {
+            SequentialAnimation {
+                PauseAnimation { duration: 125 }
+                NumberAnimation { property: "y"; easing.type: Easing.InOutQuad }
+            }
+        }
+        //! [transitions]
+
+        ScrollIndicator.vertical: ScrollIndicator { }
+    }
+
+    Label {
+        id: placeholder
+        text: qsTr("Swipe no more")
+
+        anchors.margins: 60
+        anchors.fill: parent
+
+        opacity: 0.5
+        visible: listView.count === 0
+
+        horizontalAlignment: Qt.AlignHCenter
+        verticalAlignment: Qt.AlignVCenter
+        wrapMode: Label.WordWrap
+        font.pixelSize: 18
+    }
+}