//Used to add functionality for when a company name is selected in market by order
private void MarketByOrderHandler(object sender, EventArgs e)
{
//item that will hold configurations
ToolStripMenuItem clickedItem = (ToolStripMenuItem)sender;
//Create MDI window
MarketByOrder newMDIChild = new MarketByOrder(clickedItem.Name);
//Register the observer
data.register(newMDIChild);
// Set the parent form of the child window.
newMDIChild.MdiParent = this;
//Change name of the window
newMDIChild.Text = "Market Depth By Order (" + clickedItem.Name + ")";
// Display the new form.
newMDIChild.Show();
data.notify();
}
private void submitButton_Click(object sender, EventArgs e)
{
//Validation is handled for any inputs that cannot be parsed into what they should be, excpetion is thrown
try
{
//Submit button is clicked
//get number of shares input and parse
float numShares = (float)Convert.ToDouble(this.numSharesInput.Text);
//get purchase price from form and parse
float purchasePrice = (float)Convert.ToDouble(this.purchasePriceInput.Text);
//make sure purchase price is a positive value
if (purchasePrice < 0)
{
throw new System.ArgumentException("Share Price must be positive", "Place Bid Order Form");
}
//get company name from the dropdown
String name = comboBox1.Text;
int numSold = 0; //reset tranasction number
Boolean sale = false; //has a transaction occured
foreach (Company company in data.companies)
{
if (company.companyName.Equals(name))
{
//Insert logic here to compress orders together
//if there are orders in the sell list that are the same price or greater as an order in the buy list,
//make the sell, record dumber of shares sold and the sell price.
//Update the buy list and sell list
foreach (BuyOrder buyOrder in company.buyOrders)
{
//Check and see if the sale price is less than or equal to the current bid price
if (buyOrder.orderPrice >= purchasePrice)
{
//if the buy order has the same number of shares as the sell order
if (buyOrder.orderSize == numShares)
{
sale = true;
numSold += (int)numShares;
numShares -= buyOrder.orderSize;
buyOrder.orderSize = 0;
}
//If there are more shares in the buy order then in the sell
else if (buyOrder.orderSize > numShares)
{
sale = true;
buyOrder.orderSize -= numShares;
numSold += (int)numShares;
}
//There are more shares being sold than there are in the current offer to buy
else if (buyOrder.orderSize < numShares)
{
sale = true;
numSold += (int)buyOrder.orderSize;
//subtract the number of bid shares from the total being sold
numShares -= buyOrder.orderSize;
//Remove the buy order from the list because all have been sold
buyOrder.orderSize = 0;
//Allow continuation of the loop and look for another list with a usable price
}
}
}
//If there are still shares left to sell after checking all lists for offers, add to sell list
if (numShares > 0)
{
//add a new sell order with current time/date, number of shares from input, price form input
company.sellOrders.Add(new SellOrder(DateTime.Now, numShares, purchasePrice));
company.sellOrders.Sort(); //sort list with new items present
}
//if a transaction has been completed
if (sale)
{
company.setLastPrice(purchasePrice); //set last transaction price
company.setVolume((int)(numSold)); //add volume of shares sold to total by calling setVolume()
}
numSharesInput.Clear(); //clear shares input text box
purchasePriceInput.Clear(); //clear purchase price input box
data.notify(); //notify the subject to update adn reflect changes
return;
}
}
}
catch
{
//show user that input validation was unsuccessful
MessageBox.Show("Some fields contain improper values", "Stock Market Application");
}
//At this point the the boxes should be cleared even if inputs were invalid
numSharesInput.Clear();
purchasePriceInput.Clear();
data.notify();
}
private void button1_Click(object sender, EventArgs e)
{
try
{
//Submit button is clicked
float numShares = (float)Convert.ToDouble(this.numSharesInput.Text);
float purchasePrice = (float)Convert.ToDouble(this.purchasePriceInput.Text);
if (purchasePrice < 0)
{
throw new System.ArgumentException("Share PRice must be positive", "original");
}
String name = comboBox1.Text;
int numSold = 0;
Boolean sale = false;
foreach (Company company in data.companies)
{
if (company.companyName.Equals(name))
{
//Check all sell orders to see if a buy can occur
foreach (SellOrder sellOrder in company.sellOrders)
{
//Check to see if the sale price is less than or equal to the buy price
if (sellOrder.orderPrice <= purchasePrice)
{
//If the sale has the same number of shares as the buy request
if (sellOrder.orderSize == numShares)
{
sale = true;
numSold += (int)numShares;
numShares -= sellOrder.orderSize;
sellOrder.orderSize = 0;
}
//If there are more shares for sale then the purchase request
else if (sellOrder.orderSize > numShares)
{
sellOrder.orderSize -= numShares;
sale = true;
numSold += (int)numShares;
}
//There are more shares being bought then there are in the current sell offer
else if (sellOrder.orderSize < numShares)
{
sale = true;
numSold += (int)sellOrder.orderSize;
//subtract the number of bid shares from the total being sold
numShares -= sellOrder.orderSize;
//Remove the buy order from the list because all have been sold
sellOrder.orderSize = 0;
//Allow continuation of the loop and look for another list with a usable price
}
}
}
//If there are still shares left to buy after checking all the current sales
if (numShares > 0)
{
company.buyOrders.Add(new BuyOrder(DateTime.Now, numShares, purchasePrice));
company.buyOrders.Sort();
}
//if a transaction has occured
if (sale)
{
company.setLastPrice(purchasePrice);
company.setVolume((int)(numSold));
}
//Do this even though no transaction has occured, items have been added to lists
numSharesInput.Clear();
purchasePriceInput.Clear();
data.notify();
return;
}
}
}
catch
{
MessageBox.Show("Some fields contain improper values", "Stock Market Application");
}
numSharesInput.Clear();
purchasePriceInput.Clear();
data.notify();
}