StockListView.qml Example File

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  ** This file is part of the examples of the Qt Toolkit.
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  import QtQuick 2.0
  import "."

  Rectangle {
      id: root
      width: 320
      height: 410
      anchors.top: parent.top
      anchors.bottom: parent.bottom
      color: "white"

      property string currentStockId: ""
      property string currentStockName: ""

      ListView {
          id: view
          anchors.fill: parent
          width: parent.width
          clip: true
          keyNavigationWraps: true
          highlightMoveDuration: 0
          focus: true
          snapMode: ListView.SnapToItem
          model: StockListModel{}
          currentIndex: -1 // Don't pre-select any item

          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(model.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]);
                          model.setProperty(index, "value", today.toFixed(2));

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

                          var changePercentage = (change / yesterday) * 100.0;
                          if (changePercentage >= 0.0)
                              model.setProperty(index, "changePercentage", "+" + changePercentage.toFixed(2) + "%");
                          else
                              model.setProperty(index, "changePercentage", changePercentage.toFixed(2) + "%");
                      } else {
                          var unknown = "n/a";
                          model.set(index, {"value": unknown, "change": unknown, "changePercentage": unknown});
                      }
                  }
              }
              xhr.send()
          }

          onCurrentIndexChanged: {
              if (currentItem) {
                  root.currentStockId = model.get(currentIndex).stockId;
                  root.currentStockName = model.get(currentIndex).name;
              }
          }

          delegate: Rectangle {
              height: 102
              width: parent.width
              color: "transparent"
              MouseArea {
                  anchors.fill: parent;
                  onClicked: {
                      if (view.currentIndex == index)
                          mainRect.currentIndex = 1;
                      else
                          view.currentIndex = index;
                  }
              }

              Text {
                  id: stockIdText
                  anchors.top: parent.top
                  anchors.topMargin: 15
                  anchors.left: parent.left
                  anchors.leftMargin: 15
                  width: 125
                  height: 40
                  color: "#000000"
                  font.family: Settings.fontFamily
                  font.pointSize: 20
                  font.weight: Font.Bold
                  verticalAlignment: Text.AlignVCenter
                  text: stockId
              }

              Text {
                  id: stockValueText
                  anchors.top: parent.top
                  anchors.topMargin: 15
                  anchors.right: parent.right
                  anchors.rightMargin: 0.31 * parent.width
                  width: 190
                  height: 40
                  color: "#000000"
                  font.family: Settings.fontFamily
                  font.pointSize: 20
                  font.bold: true
                  horizontalAlignment: Text.AlignRight
                  verticalAlignment: Text.AlignVCenter
                  text: value
                  Component.onCompleted: view.getCloseValue(index);
              }

              Text {
                  id: stockValueChangeText
                  anchors.top: parent.top
                  anchors.topMargin: 15
                  anchors.right: parent.right
                  anchors.rightMargin: 20
                  width: 135
                  height: 40
                  color: "#328930"
                  font.family: Settings.fontFamily
                  font.pointSize: 20
                  font.bold: true
                  horizontalAlignment: Text.AlignRight
                  verticalAlignment: Text.AlignVCenter
                  text: change
                  onTextChanged: {
                      if (parseFloat(text) >= 0.0)
                          color = "#328930";
                      else
                          color = "#d40000";
                  }
              }

              Text {
                  id: stockNameText
                  anchors.top: stockIdText.bottom
                  anchors.left: parent.left
                  anchors.leftMargin: 15
                  width: 330
                  height: 30
                  color: "#000000"
                  font.family: Settings.fontFamily
                  font.pointSize: 16
                  font.bold: false
                  elide: Text.ElideRight
                  maximumLineCount: 1
                  verticalAlignment: Text.AlignVCenter
                  text: name
              }

              Text {
                  id: stockValueChangePercentageText
                  anchors.top: stockIdText.bottom
                  anchors.right: parent.right
                  anchors.rightMargin: 20
                  width: 120
                  height: 30
                  color: "#328930"
                  font.family: Settings.fontFamily
                  font.pointSize: 18
                  font.bold: false
                  horizontalAlignment: Text.AlignRight
                  verticalAlignment: Text.AlignVCenter
                  text: changePercentage
                  onTextChanged: {
                      if (parseFloat(text) >= 0.0)
                          color = "#328930";
                      else
                          color = "#d40000";
                  }
              }

              Rectangle {
                  id: endingLine
                  anchors.bottom: parent.bottom
                  anchors.left: parent.left
                  height: 1
                  width: parent.width
                  color: "#d7d7d7"
              }
          }

          highlight: Rectangle {
              width: view.width
              color: "#eeeeee"
          }
      }
  }