private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
topItem = null;
i = 0;
// create arrayList of shaapes from myModel
ArrayList theItemList = myModel.ItemList;
// create array of Items from array list
AnyItem[] theItems = (AnyItem[])theItemList.ToArray(typeof(AnyItem));
// loop through array checking if mouse is over Item
foreach (AnyItem s in theItems)
{
i++;
// check if mouse is over Item
if (listBox1.GetItemText(listBox1.SelectedItem).Contains(s.name.ToString()) && listBox1.SelectedIndex + 1 == i)
{
// if so make Item topItem
topItem = s;
}
}
}
private void btnEdit_Click(object sender, EventArgs e)
{
if (topItem != null)
{
// message to user to enter new size and colour
MessageBox.Show("You May Update Item type Only" + "\r\n",
"Select a new type and click the Update button",
MessageBoxButtons.OK, MessageBoxIcon.Information);
// make editItem the current topItem
editItem = topItem;
// update values in update panel to selected Item
lblSelectedItem.Text =
topItem.name.ToString();
cmbUpdateType.Items.Clear();
cmbUpdateType.Items.AddRange(TypeOfItem[topItem.name.ToString()]);
cmbUpdateType.SelectedIndex = 0;
// show update panel
pnlUpdate.Show();
}
myModel.UpdateViews();
}
public void SendToBack(AnyItem aItem)
{
// first shape drawn is at the back
// temp arrayList to resort shapes so selected shape is drawn first
ArrayList sortList = new ArrayList();
// find index of shape to be drawn first
int max = itemList.IndexOf(aItem);
// first shape i.e. shape to send to back
sortList.Add(aItem);
// copy to sortList in correct sequence
for (int i = 0; i < max; i++)
{
sortList.Add(itemList[i]);
}
// copy sortList back to shapeList
for (int i = 0; i < sortList.Count; i++)
{
itemList[i] = sortList[i];
}
UpdateViews();
}
public void BringToFront(AnyItem aItem)
{
// last shape drawn is at the front
// temp arrayList to resort shapes so selected shape is drawn last
ArrayList sortList = new ArrayList(itemList);
// find index of shape to be drawn last
int max = itemList.IndexOf(aItem);
// find length of shapeList array
int length = itemList.Count;
// copy shapeList to sortList excluding selected shape
for (int i = max + 1; i < length; i++)
{
sortList[i - 1] = itemList[i];
}
// last shape i.e. shape to bring to front
sortList[length - 1] = itemList[max];
// copy sortList back to shapeList
for (int i = 0; i < sortList.Count; i++)
{
itemList[i] = sortList[i];
}
UpdateViews();
}
private void panel1_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
topItem = null;
bool needsDisplay = false;
// create arrayList of shaapes from myModel
ArrayList theItemList = myModel.ItemList;
// create array of Items from array list
AnyItem[] theItems = (AnyItem[])theItemList.ToArray(typeof(AnyItem));
// graphics object to draw Items when required
Graphics g = this.panel1.CreateGraphics();
// loop through array checking if mouse is over Item
foreach (AnyItem s in theItems)
{
// check if mouse is over Item
if (s.HitTest(new Point(e.X, e.Y)))
{
// if so make Item topItem
topItem = s;
}
if (s.Highlight == true)
{
// Item to be redrawn
needsDisplay = true;
// redraw Item
s.Display(g);
s.Highlight = false;
}
// 30 Oct moved this piece up to before highlight test
// if (s.HitTest(new Point(e.X, e.Y)))// check if mouse is over Item
// {
// topItem = s; // make Item topItem
// }
}
if (topItem != null) // if there is a topItem
{
needsDisplay = true; // need to redisplay
topItem.Display(g); // redisplay topItem
topItem.Highlight = true;
}
if (needsDisplay)
{
// redisplay model
myModel.UpdateViews();
}
}
else // mouse is down
{
// reset position of selected Item by value of mouse move
topItem.x_pos = topItem.x_pos + xMove;
topItem.y_pos = topItem.y_pos + yMove;
myModel.UpdateViews();
}
}
public void UpdateItem(AnyItem aItem)
{
UpdateViews();
}
public void DeleteItem(AnyItem aItem)
{
itemList.Remove(aItem);
UpdateViews();
}
public void AddItem(AnyItem aItem)
{
itemList.Add(aItem);
UpdateViews();
}
