1 files changed, 66 insertions, 0 deletions
diff --git a/examples/quick/demos/stocqt/content/StockListModel.qml b/examples/quick/demos/stocqt/content/StockListModel.qml
index be00e7bb1c..9b48124bda 100644
--- a/examples/quick/demos/stocqt/content/StockListModel.qml
+++ b/examples/quick/demos/stocqt/content/StockListModel.qml
@@ -42,6 +42,72 @@ 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"}