Qt with Cascades UI Examples Documentation

main.qml Example File

trafficlight/assets/main.qml
    /****************************************************************************
     **
     ** Portions Copyright (C) 2012 Research In Motion Limited.
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Research In Motion Ltd. (http://www.rim.com/company/contact/)
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the BB10 Platform and is derived
     ** from a similar file that is part of the Qt Toolkit.
     **
     ** 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 Research In Motion, nor the name of Nokia
     **     Corporation and its Subsidiary(-ies), 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."
     **
     ****************************************************************************/

    import bb.cascades 1.0

    Page {
        Container {
            id: root
            layout: DockLayout {}

            ImageView {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                imageSource: "asset:///images/background.png"
            }

            Container {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                Container {
                    horizontalAlignment: HorizontalAlignment.Fill

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: 2
                    }

                    layout: DockLayout {}

                    TrafficLight {
                        id: trafficLight

                        horizontalAlignment: HorizontalAlignment.Center
                        verticalAlignment: VerticalAlignment.Center

                        controller: _trafficLightController
                    }

                    Label {
                        horizontalAlignment: HorizontalAlignment.Center
                        verticalAlignment: VerticalAlignment.Center

                        text: qsTr ("Paused")
                        textStyle.color: Color.White
                        textStyle.base: SystemDefaults.TextStyles.BigText
                        opacity: _trafficLightController.paused
                    }
                }

                Container {
                    horizontalAlignment: HorizontalAlignment.Fill
                    rightMargin: 30

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: -1
                    }

                    layout: DockLayout {}

                    Container {
                        bottomPadding: 30

                        horizontalAlignment: HorizontalAlignment.Center
                        verticalAlignment: VerticalAlignment.Center

                        layout: StackLayout {
                            orientation: LayoutOrientation.LeftToRight
                        }

                        Button {
                            text: qsTr ("Pause")

                            onClicked: {
                                _trafficLightController.pause();
                            }
                        }

                        Button {
                            text: qsTr ("Quit")

                            onClicked: {
                                _app.quit();
                            }
                        }
                    }
                }
            }
        }
    }