StockListModel.qml Example File

demos/stocqt/content/StockListModel.qml
/****************************************************************************
**
** Copyright (C) 2015 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 2.0

ListModel {
    id: stocks

    // pre-fetch data for all entries
    Component.onCompleted: {
        for (var idx = 0; idx < count; ++idx) {
            getCloseValue(idx)
        }
    }

    function requestUrl(stockId) {
        var endDate = new Date(""); // today
        var startDate = new Date()
        startDate.setDate(startDate.getDate() - 5);

        var request = "http://ichart.finance.yahoo.com/table.csv?";
        request += "s=" + stockId;
        request += "&g=d";
        request += "&a=" + startDate.getMonth();
        request += "&b=" + startDate.getDate();
        request += "&c=" + startDate.getFullYear();
        request += "&d=" + endDate.getMonth();
        request += "&e=" + endDate.getDate();
        request += "&f=" + endDate.getFullYear();
        request += "&g=d";
        request += "&ignore=.csv";
        return request;
    }

    function getCloseValue(index) {
        var req = requestUrl(get(index).stockId);

        if (!req)
            return;

        var xhr = new XMLHttpRequest;

        xhr.open("GET", req, true);

        xhr.onreadystatechange = function() {
            if (xhr.readyState === XMLHttpRequest.LOADING || xhr.readyState === XMLHttpRequest.DONE) {
                var records = xhr.responseText.split('\n');
                if (records.length > 0 && xhr.status == 200) {
                    var r = records[1].split(',');
                    var today = parseFloat(r[4]);
                    setProperty(index, "value", today.toFixed(2));

                    r = records[2].split(',');
                    var yesterday = parseFloat(r[4]);
                    var change = today - yesterday;
                    if (change >= 0.0)
                        setProperty(index, "change", "+" + change.toFixed(2));
                    else
                        setProperty(index, "change", change.toFixed(2));

                    var changePercentage = (change / yesterday) * 100.0;
                    if (changePercentage >= 0.0)
                        setProperty(index, "changePercentage", "+" + changePercentage.toFixed(2) + "%");
                    else
                        setProperty(index, "changePercentage", changePercentage.toFixed(2) + "%");
                } else {
                    var unknown = "n/a";
                    set(index, {"value": unknown, "change": unknown, "changePercentage": unknown});
                }
            }
        }
        xhr.send()
    }
    // Uncomment to test invalid entries
    // ListElement {name: "The Qt Company"; stockId: "TQTC"; value: "999.0"; change: "0.0"; changePercentage: "0.0"}

    // Data from http://www.nasdaq.com/quotes/nasdaq-100-stocks.aspx
    ListElement {name: "Activision Blizzard Inc."; stockId: "ATVI"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Adobe Systems Inc."; stockId: "ADBE"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Akamai Technologies Inc."; stockId: "AKAM"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Alexion Pharmaceuticals Inc."; stockId: "ALXN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Alphabet Inc."; stockId: "GOOG"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Alphabet Inc."; stockId: "GOOGL"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Amazon.com Inc."; stockId: "AMZN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "American Airlines Group Inc."; stockId: "AAL"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Amgen Inc."; stockId: "AMGN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Analog Devices Inc."; stockId: "ADI"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Apple Inc."; stockId: "AAPL"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Applied Materials Inc."; stockId: "AMAT"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Autodesk Inc."; stockId: "ADSK"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Automatic Data Processing Inc."; stockId: "ADP"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Baidu Inc."; stockId: "BIDU"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Bed Bath & Beyond Inc."; stockId: "BBBY"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Biogen Inc."; stockId: "BIIB"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "BioMarin Pharmaceutical Inc."; stockId: "BMRN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Broadcom Limited"; stockId: "AVGO"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "CA Inc."; stockId: "CA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Celgene Corp."; stockId: "CELG"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Cerner Corp."; stockId: "CERN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Charter Communications Inc."; stockId: "CHTR"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Check Point Software Technologies Ltd."; stockId: "CHKP"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Cisco Systems Inc."; stockId: "CSCO"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Citrix Systems Inc."; stockId: "CTXS"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Cognizant Technology Solutions Corp."; stockId: "CTSH"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Comcast Corp."; stockId: "CMCSA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Costco Wholesale Corp."; stockId: "COST"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Ctrip.com International Ltd."; stockId: "CTRP"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Discovery Communications Inc."; stockId: "DISCA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Discovery Communications Inc."; stockId: "DISCK"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "DISH Network Corp."; stockId: "DISH"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Dollar Tree Inc."; stockId: "DLTR"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "eBay Inc."; stockId: "EBAY"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Electronic Arts Inc."; stockId: "EA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Endo International Plc"; stockId: "ENDP"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Intel Corp."; stockId: "INTC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Intuit Inc."; stockId: "INTU"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Intuitive Surgical Inc."; stockId: "ISRG"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "JD.com Inc."; stockId: "JD"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "KLA-Tencor Corp."; stockId: "KLAC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Lam Research Corp."; stockId: "LRCX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Liberty Global Plc"; stockId: "LBTYA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Liberty Global Plc"; stockId: "LBTYK"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Liberty Interactive Corp."; stockId: "LVNTA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Liberty Interactive Corp."; stockId: "QVCA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Liberty Media Corp."; stockId: "LMCA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Liberty Media Corp."; stockId: "LMCK"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Linear Technology Corp."; stockId: "LLTC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Marriott International"; stockId: "MAR"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Mattel Inc."; stockId: "MAT"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Maxim Integrated Products Inc."; stockId: "MXIM"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Micron Technology Inc."; stockId: "MU"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Microsoft Corp."; stockId: "MSFT"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Mondelez International Inc."; stockId: "MDLZ"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Monster Beverage Corp."; stockId: "MNST"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Mylan N.V."; stockId: "MYL"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "NetApp Inc."; stockId: "NTAP"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Netflix Inc."; stockId: "NFLX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Norwegian Cruise Line Holdings Ltd."; stockId: "NCLH"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "NVIDIA Corp."; stockId: "NVDA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "NXP Semiconductors N.V."; stockId: "NXPI"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "O'Reilly Automotive Inc."; stockId: "ORLY"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "PACCAR Inc."; stockId: "PCAR"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Paychex Inc."; stockId: "PAYX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "PayPal Holdings Inc."; stockId: "PYPL"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "QUALCOMM Inc."; stockId: "QCOM"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Regeneron Pharmaceuticals Inc."; stockId: "REGN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Ross Stores Inc."; stockId: "ROST"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "SanDisk Corp."; stockId: "SNDK"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "SBA Communications Corp."; stockId: "SBAC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Seagate Technology PLC"; stockId: "STX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Sirius XM Holdings Inc."; stockId: "SIRI"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Skyworks Solutions Inc."; stockId: "SWKS"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Starbucks Corp."; stockId: "SBUX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Stericycle Inc."; stockId: "SRCL"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Symantec Corp."; stockId: "SYMC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "T-Mobile US Inc."; stockId: "TMUS"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Tesla Motors Inc."; stockId: "TSLA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Texas Instruments Inc."; stockId: "TXN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "The Kraft Heinz Company"; stockId: "KHC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "The Priceline Group Inc."; stockId: "PCLN"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Tractor Supply Company"; stockId: "TSCO"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "TripAdvisor Inc."; stockId: "TRIP"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Twenty-First Century Fox Inc."; stockId: "FOX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Twenty-First Century Fox Inc."; stockId: "FOXA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Ulta Salon Cosmetics & Fragrance Inc."; stockId: "ULTA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Verisk Analytics Inc."; stockId: "VRSK"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Vertex Pharmaceuticals Inc."; stockId: "VRTX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Viacom Inc."; stockId: "VIAB"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Vodafone Group Plc"; stockId: "VOD"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Walgreens Boots Alliance Inc."; stockId: "WBA"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Western Digital Corp."; stockId: "WDC"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Whole Foods Market Inc."; stockId: "WFM"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Xilinx Inc."; stockId: "XLNX"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
    ListElement {name: "Yahoo! Inc."; stockId: "YHOO"; value: "0.0"; change: "0.0"; changePercentage: "0.0"}
}

© 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.