public void update(RealTimeData sub)
{
this.sub = sub;
foreach (Company company in sub.companies)
{
if (companyName == company.companyName)
{
//Clear previous entries from the dataGridView and reset heads?? Not sure how/why, but it prevents crashes...
dataGridView1.Rows.Clear();
dataGridView1.ColumnCount = 2;
dataGridView1.ColumnHeadersVisible = true;
//Sort the buy orders according to its implementation of CompareTo
company.buyOrders.Sort();
foreach (BuyOrder buyOrder in company.buyOrders.Take(10)) //only take top 10
{
this.dataGridView1.Rows.Add(buyOrder.orderSize,buyOrder.orderPrice);
}
dataGridView2.Rows.Clear();
dataGridView1.ColumnCount = 2;
dataGridView1.ColumnHeadersVisible = true;
//Sort the sell orders according to its implementation of CompareTo
company.sellOrders.Sort();
foreach (SellOrder sellOrder in company.sellOrders.Take(10)) //only take top 10
{
this.dataGridView2.Rows.Add(sellOrder.orderPrice, sellOrder.orderSize);
}
}
}
}
public placeBidOrderForm(RealTimeData data)
{
this.data = data;
InitializeComponent();
//Add companies to the drop down list
foreach (Company company in data.companies)
{
comboBox1.Items.Add(company.companyName);
}
}
RealTimeData data; //used to modify the subject
#endregion Fields
#region Constructors
public placeAskOrderForm(RealTimeData data)
{
this.data = data;
InitializeComponent();
//populate the dropdown company list from the companies in the subject
foreach (Company company in data.companies)
{
comboBox1.Items.Add(company.companyName);
}
}
//Will fill all applicable columns of stock state summary for all companies in the subject
public void update(RealTimeData sub)
{
this.sub = sub;
dataGridView1.Rows.Clear();
// Create an unbound DataGridView by declaring a column count, prevents mising header after clear
dataGridView1.ColumnCount = 8;
dataGridView1.ColumnHeadersVisible = true;
foreach (Company company in sub.companies)
this.dataGridView1.Rows.Add(company.companyName, company.symbol, company.openPrice, company.getLastPrice(), company.priceChange,company.picture, company.percentChange, company.getVolume());
}
//This is called upon notifying the subject that the data has changed
public void update(RealTimeData sub)
{
this.sub = sub;
foreach (Company company in sub.companies)
{
if (companyName == company.companyName)
{
//BUY ORDERS
//Clear existing entries from the datagridview for bids
dataGridView1.Rows.Clear();
foreach (BuyOrder order in company.buyOrders)
{
int numOccurs = 0;
if (!usedPrices.Contains(order.orderPrice))
{
//For each order, traverse the rest of the list and see if there are any others with the same price,
//If there are, increment numOccurs, add volume together
usedPrices.Add(order.orderPrice);
int totalVolume = 0;
foreach (BuyOrder CompressedOrder in company.buyOrders.Skip(0))
{
if (CompressedOrder.orderPrice == order.orderPrice) //if current iterated order has the same price as exterior order
{
numOccurs++; //increase the occurances of an order with this price
totalVolume += (int)CompressedOrder.orderSize; //add the volume of orders with this price
}
}
//create a new instance of helper class listItem with the number of occurances, the price and the volume
entries.Add(new listItem(numOccurs, order.orderPrice, totalVolume));
numOccurs = 0; //reset
totalVolume = 0; //reset
}
}
//Add each list item to the datagrid view, should already be properly sorted
foreach (listItem entry in entries.Take(10)) //only take top 10
{
this.dataGridView1.Rows.Add(entry.numOccurs, entry.orderSize, entry.orderPrice);
}
entries.Clear(); //Clear entries so that the same list can be used for sell orders now
usedPrices.Clear(); //clear list, same reasoning
//SELL ORDERS
//Clear existing entries from the datagridview for bids
dataGridView2.Rows.Clear();
foreach (SellOrder order in company.sellOrders)
{
int numOccurs = 0;
if (!usedPrices.Contains(order.orderPrice))
{
//For each order, traverse the rest of the list and see if there are any others with the same price,
//If there are, increment numOccurs, add volume together
usedPrices.Add(order.orderPrice);
int totalVolume = 0;
foreach (SellOrder CompressedOrder in company.sellOrders.Skip(0))
{
if (CompressedOrder.orderPrice == order.orderPrice) //if current iterated order has the same price as exterior order
{
numOccurs++;
totalVolume += (int)CompressedOrder.orderSize;
}
}
entries.Add(new listItem(numOccurs, order.orderPrice, totalVolume));
numOccurs = 0;
totalVolume = 0;
}
}
//add all sell orderst that have been grouped, should already be sorted
foreach (listItem entry in entries.Take(10)) //take top 10
{
this.dataGridView2.Rows.Add(entry.orderPrice, entry.orderSize, entry.numOccurs);
}
entries.Clear();
usedPrices.Clear();
}
}
}