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Diffstat (limited to 'examples/demos/stocqt/content/StockModel.qml')
| -rw-r--r-- | examples/demos/stocqt/content/StockModel.qml | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/examples/demos/stocqt/content/StockModel.qml b/examples/demos/stocqt/content/StockModel.qml deleted file mode 100644 index b5a78548e4..0000000000 --- a/examples/demos/stocqt/content/StockModel.qml +++ /dev/null @@ -1,160 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 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, -** 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:model - property string stockId:"" - property string stockName:"" - property var startDate - property var endDate - property string stockDataCycle:"d" - property bool ready:false - property real stockPrice:0.0 - property real stockPriceChanged:0.0 - property real highestPrice:0 - property real highestVolume:0 - - signal dataReady - - function indexOf(date) { - var end = new Date(model.get(0).date) - var start = new Date(model.get(model.count - 1).date) - if (end <= date) - return model.count -1; - - if (start >= date) - return 0; - - for (var i = 0; i < model.count; i++) { - var d = new Date(model.get(i).date) - if ( d === date) - return i; - } - return -1; - } - - function requestUrl() { - if (stockId === "") - return; - - if (startDate === undefined) - startDate = new Date(1995, 3, 25) //default: 25 April 1995 - - if (endDate === undefined) - endDate = new Date(); //today - - if (stockDataCycle !== "d" && stockDataCycle !== "w" && stockDataCycle !== "m") - stockDataCycle = "d"; - - /* - Fetch stock data from yahoo finance: - url: http://ichart.finance.yahoo.com/table.csv?s=NOK&a=5&b=11&c=2010&d=7&e=23&f=2010&g=d&ignore=.csv - s:stock name/id, a:start day, b:start month, c:start year default: 25 April 1995, oldest c= 1962 - d:end day, e:end month, f:end year, default:today (data only available 3 days before today) - g:data cycle(d daily, w weekly, m monthly, v Dividend) - */ - var request = "http://ichart.finance.yahoo.com/table.csv?"; - request += "s=" + stockId; - request += "&a=" + startDate.getDate(); - request += "&b=" + startDate.getMonth(); - request += "&c=" + startDate.getFullYear(); - request += "&d=" + endDate.getDate(); - request += "&e=" + endDate.getMonth(); - request += "&f=" + endDate.getFullYear(); - request += "&g=" + stockDataCycle; - request += "&ignore=.csv"; - return request; - } - - function createStockPrice(r) { - if (highestPrice < r[2]) - highestPrice = r[2]; - if (highestVolume < r[5]) - highestVolume = r[5]; - return { - "date": r[0], - "open":r[1], - "high":r[2], - "low":r[3], - "close":r[4], - "volume":r[5], - "adjusted":r[6] - }; - } - - function updateStock() { - var xhr = new XMLHttpRequest; - - var req = requestUrl(); - console.log("getting " + req + " ....."); - - xhr.open("GET", req); - - - model.ready = false; - model.clear(); - var i = 1; //skip the first line - xhr.onreadystatechange = function() { - if (xhr.readyState === XMLHttpRequest.LOADING || xhr.readyState === XMLHttpRequest.DONE) { - var records = xhr.responseText.split('\n'); - console.log("Updating:" + (records.length - i) + " records for " + model.stockId + " from:" + model.startDate + " to " + model.endDate) - - for (;i < records.length; i++ ) { - var r = records[i].split(','); - if (r.length === 7) - model.append(createStockPrice(r)); - } - - if (xhr.readyState === XMLHttpRequest.DONE) { - if (model.count > 0) { - console.log("done, total:" + model.count); - model.ready = true; - model.stockPrice = model.get(0).adjusted - model.stockPriceChanged = Math.round((model.stockPrice - model.get(2).adjusted) * 100) / 100 - model.dataReady(); //emit signal - } - } - } - } - xhr.send() - } -} |