weatherinfo.qml Example File | Qt Positioning 5.4

- Qt 5.4
- Qt Positioning
- Weather Info (C++/QML)
- weatherinfo.qml Example File
- Qt 5.4.2 Reference Documentation

# weatherinfo.qml Example File

weatherinfo/weatherinfo.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** 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 Digia Plc 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,
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    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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    ****************************************************************************/

    import QtQuick 2.0
    import "components"
    import WeatherInfo 1.0

    Item {
        id: window
        width: 360
        height: 640

        state: "loading"

        states: [
            State {
                name: "loading"
                PropertyChanges { target: main; opacity: 0 }
                PropertyChanges { target: wait; opacity: 1 }
            },
            State {
                name: "ready"
                PropertyChanges { target: main; opacity: 1 }
                PropertyChanges { target: wait; opacity: 0 }
            }
        ]
        AppModel {
            id: model
            onReadyChanged: {
                if (model.ready)
                    window.state = "ready"
                else
                    window.state = "loading"
            }
        }
        Item {
            id: wait
            anchors.fill: parent

            Text {
                text: "Loading weather data..."
                anchors.centerIn: parent
                font.pointSize: 18
            }
        }

        Item {
            id: main
            anchors.fill: parent

            Column {
                spacing: 6

                anchors {
                    fill: parent
                    topMargin: 6; bottomMargin: 6; leftMargin: 6; rightMargin: 6
                }

                Rectangle {
                    width: parent.width
                    height: 25
                    color: "lightgrey"

                    Text {
                        text: (model.hasValidCity ? model.city : "Unknown location") + (model.useGps ? " (GPS)" : "")
                        anchors.fill: parent
                        horizontalAlignment: Text.AlignHCenter
                        verticalAlignment: Text.AlignVCenter
                    }

                    MouseArea {
                        anchors.fill: parent
                        onClicked: {
                            if (model.useGps) {
                                model.useGps = false
                                model.city = "Brisbane"
                            } else {
                                switch (model.city) {
                                case "Brisbane":
                                    model.city = "Oslo"
                                    break
                                case "Oslo":
                                    model.city = "Helsinki"
                                    break
                                case "Helsinki":
                                    model.city = "New York"
                                    break
                                case "New York":
                                    model.useGps = true
                                    break
                                }
                            }
                        }
                    }
                }

                BigForecastIcon {
                    id: current

                    width: main.width -12
                    height: 2 * (main.height - 25 - 12) / 3

                    weatherIcon: (model.hasValidWeather
                              ? model.weather.weatherIcon
                              : "01d")
                    topText: (model.hasValidWeather
                              ? model.weather.temperature
                              : "??")
                    bottomText: (model.hasValidWeather
                                 ? model.weather.weatherDescription
                                 : "No weather data")

                    MouseArea {
                        anchors.fill: parent
                        onClicked: {
                            model.refreshWeather()
                        }
                    }
                }

                Row {
                    id: iconRow
                    spacing: 6

                    width: main.width - 12
                    height: (main.height - 25 - 24) / 3

                    property real iconWidth: iconRow.width / 4 - 10
                    property real iconHeight: iconRow.height

                    ForecastIcon {
                        id: forecast1
                        width: iconRow.iconWidth
                        height: iconRow.iconHeight

                        topText: (model.hasValidWeather ?
                                  model.forecast[0].dayOfWeek : "??")
                        bottomText: (model.hasValidWeather ?
                                     model.forecast[0].temperature : "??/??")
                        weatherIcon: (model.hasValidWeather ?
                                  model.forecast[0].weatherIcon : "01d")
                    }
                    ForecastIcon {
                        id: forecast2
                        width: iconRow.iconWidth
                        height: iconRow.iconHeight

                        topText: (model.hasValidWeather ?
                                  model.forecast[1].dayOfWeek : "??")
                        bottomText: (model.hasValidWeather ?
                                     model.forecast[1].temperature : "??/??")
                        weatherIcon: (model.hasValidWeather ?
                                  model.forecast[1].weatherIcon : "01d")
                    }
                    ForecastIcon {
                        id: forecast3
                        width: iconRow.iconWidth
                        height: iconRow.iconHeight

                        topText: (model.hasValidWeather ?
                                  model.forecast[2].dayOfWeek : "??")
                        bottomText: (model.hasValidWeather ?
                                     model.forecast[2].temperature : "??/??")
                        weatherIcon: (model.hasValidWeather ?
                                  model.forecast[2].weatherIcon : "01d")
                    }
                    ForecastIcon {
                        id: forecast4
                        width: iconRow.iconWidth
                        height: iconRow.iconHeight

                        topText: (model.hasValidWeather ?
                                  model.forecast[3].dayOfWeek : "??")
                        bottomText: (model.hasValidWeather ?
                                     model.forecast[3].temperature : "??/??")
                        weatherIcon: (model.hasValidWeather ?
                                  model.forecast[3].weatherIcon : "01d")
                    }

                }
            }
        }
    }