/// <summary>
/// method to move building displayed on the panel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pnlDraw_MouseMove(object sender, MouseEventArgs e)
{
// set last position to current position
lastPosition = currentPosition;
// set current position to mouse position
currentPosition = new Point(e.X, e.Y);
// calculate how far mouse has moved
int xMove = currentPosition.X - lastPosition.X;
int yMove = currentPosition.Y - lastPosition.Y;
if (!dragging) // mouse not down
{
// reset variables
selectBuilding = null;
bool needsDisplay = false;
// create arrayList of shaapes from myModel
ArrayList theBuildingList = myModel.BuildingList;
// create array of shapes from array list
Base[] theBuildings = (Base[])theBuildingList.ToArray(typeof(Base));
// graphics object to draw shapes when required
Graphics g = this.pnlDraw.CreateGraphics();
// loop through array checking if mouse is over shape
foreach (Base b in theBuildings)
{
// check if mouse is over shape
if (b.HitTest(new Point(e.X, e.Y)))
{
// if so make shape topShape
selectBuilding = b;
}
if (b.Highlight == true)
{
// shape to be redrawn
needsDisplay = true;
// redraw shape
b.Display(g);
b.Highlight = false;
}
}
if (selectBuilding != null) // if there is a building
{
needsDisplay = true; // need to redisplay
selectBuilding.Display(g); // redisplay topShape
selectBuilding.Highlight = true;
}
if (needsDisplay)
{
// redisplay model
myModel.UpdateViews();
}
}
else // mouse is down
{
// reset position of selected shape by value of mouse move
selectBuilding.X_pos = selectBuilding.X_pos + xMove;
selectBuilding.Y_pos = selectBuilding.Y_pos + yMove;
edit();
myModel.UpdateViews();
}
}
/// <summary>
/// This method is executed when btnUpdate is clicked
/// this method gets the selected listbox item and save edits made to it then updates views to reflect changes.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUpdate_Click(object sender, EventArgs e)
{
if (lstBuildings.SelectedItem != null)
{
int nX, nY;
string nName;
if (string.IsNullOrWhiteSpace(txtName.Text) || string.IsNullOrWhiteSpace(txtX.Text) || string.IsNullOrWhiteSpace(txtY.Text))
{
MessageBox.Show("Textboxes cannot be empty", "Missing Data", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
if (!rbMall.Checked && !rbShop.Checked && !rbTrainStation.Checked)
{
MessageBox.Show("Building Type must be selected.", "No Building Type Selected.", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
Base selectedBuilding = (MVCPseudoGPS.Base)lstBuildings.SelectedItem;
if (selectedBuilding.Type == "Shop")
{
if (!Double.TryParse(txtValue.Text, out double parse))
{
MessageBox.Show("Rating is limited to Double value's only", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
double nRating = Convert.ToDouble(txtValue.Text);
Shop sB = (MVCPseudoGPS.Shop)lstBuildings.SelectedItem;
if (nRating > 10.0 || nRating < 0.0)
{
MessageBox.Show("Rating must be between 0.0 - 10.0", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
sB.Rating = nRating;
}
}
}
else if (selectedBuilding.Type == "Mall")
{
if (!int.TryParse(txtValue.Text, out int parse))
{
MessageBox.Show("Capacity is limited to Integer's only", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
int nCapacity = Convert.ToInt32(txtValue.Text);
Mall sB = (MVCPseudoGPS.Mall)lstBuildings.SelectedItem;
if (nCapacity < 0)
{
MessageBox.Show("Capacity cannot be less than 0", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
sB.Capacity = nCapacity;
}
}
}
else if (selectedBuilding.Type == "Train Station")
{
string nLine = txtValue.Text;
TrainStation sB = (MVCPseudoGPS.TrainStation)lstBuildings.SelectedItem;
sB.Line = nLine;
}
else
{
MessageBox.Show("Wait, What this error shouldn't happen?", "Building Type doesn't Exist", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
nX = Convert.ToInt32(txtX.Text);
nY = Convert.ToInt32(txtY.Text);
nName = txtName.Text;
if (nX > max_x)
{
MessageBox.Show("X value cannot be greater than " + max_x, "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (nX < 0)
{
MessageBox.Show("X value cannot be less than 0", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (nY > max_y)
{
MessageBox.Show("Y value cannot be greater than " + max_y, "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (nY < 0)
{
MessageBox.Show("Y value cannot be less than 0", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
selectedBuilding.X_pos = nX;
selectedBuilding.Y_pos = nY;
selectedBuilding.Name = nName;
}
}
}
else
{
MessageBox.Show("Please chose a Building from the ListBox", "No Building Selected", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
myModel.UpdateViews();
}