/// <summary>
/// deletes a selected MarineLife object
/// </summary>
public void deleteMarineLife_btnClicked(Object Sender, EventArgs e)
{
if (lb_all_marine_life.SelectedIndex != -1)
{
theMarineLife = (MarineLife)theModel.MarineLifeList[lb_all_marine_life.SelectedIndex];
theModel.DeleteMarineLife(theMarineLife);
}
else
{
MessageBox.Show("You must select a critter in the list-view (displayed above) before attempting deletion.", "Error - No selection arguement", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// method to resequence arrayList so selected MarineLife-Object is drawn first
/// </summary>
public void SendToBack(MarineLife animal)
{
// 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 = marineLifeList.IndexOf(animal);
// first shape i.e. shape to send to back
sortList.Add(animal);
// copy to sortList in correct sequence
for (int i = 0; i < max; i++)
{
sortList.Add(marineLifeList[i]);
}
// copy sortList back to shapeList
for (int i = 0; i < sortList.Count; i++)
{
marineLifeList[i] = sortList[i];
}
UpdateViews();
}
/// <summary>
/// method to resequence arrayList so selected MarineLife-Object is drawn last
/// </summary>
public void BringToFront(MarineLife animal)
{
// last shape drawn is at the front
// temp arrayList to resort shapes so selected shape is drawn last
ArrayList sortList = new ArrayList(marineLifeList);
// find index of shape to be drawn last
int max = marineLifeList.IndexOf(animal);
// find length of shapeList array
int length = marineLifeList.Count;
// copy shapeList to sortList excluding selected shape
for (int i = max + 1; i < length; i++)
{
sortList[i - 1] = marineLifeList[i];
}
// last shape i.e. shape to bring to front
sortList[length - 1] = marineLifeList[max];
// copy sortList back to shapeList
for (int i = 0; i < sortList.Count; i++)
{
marineLifeList[i] = sortList[i];
}
UpdateViews();
}
/// <summary>
/// mouse move handler
/// </summary>
public void writePanel_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
topCritter = null;
bool needsDisplay = false;
// create arrayList of shaapes from myModel
ArrayList theMarineLifeArray = theModel.MarineLifeList;
// create array of shapes from array list
MarineLife[] theMarineLifeList = (MarineLife[])theMarineLifeArray.ToArray(typeof(MarineLife));
// graphics object to draw shapes when required
Graphics g = this.write_panel.CreateGraphics();
// loop through array checking if mouse is over shape
foreach (MarineLife s in theMarineLifeList)
{
// check if mouse is over shape
if (s.HitTest(new Point(e.X, e.Y)))
{
// if so make shape topShape
topCritter = s;
}
if (s.Highlight == true)
{
// shape to be redrawn
needsDisplay = true;
// redraw shape
s.Display(g);
s.Highlight = false;
}
}
if (topCritter != null) // if there is a topShape
{
needsDisplay = true; // need to redisplay
topCritter.Display(g); // redisplay topShape
topCritter.Highlight = true;
}
if (needsDisplay)
{
// redisplay model
theModel.UpdateViews();
}
}
else // mouse is down
{
// reset position of selected shape by value of mouse move
topCritter.xPosition = topCritter.xPosition + xMove;
topCritter.yPosition = topCritter.yPosition + yMove;
theModel.UpdateViews();
}
}
/// <summary>
/// submits changes made to MarineLife object to theModel
/// </summary>
public void sumbitEdits(Object sender, EventArgs e)
{
if (editCritter != null)
{
editCritter.yPosition = Convert.ToInt32(tb_y.Text);
editCritter.xPosition = Convert.ToInt32(tb_x.Text);
editCritter.ml_height = Convert.ToInt32(tb_height.Text);
editCritter.ml_width = Convert.ToInt32(tb_width.Text);
if (editCritter.ml_type == "Whale")
{
Whale theWhale = (Whale)editCritter;
if (rb_baleen.Checked == true)
{
theWhale.setWhaleType(WhaleType.Baleen);
}
else
{
theWhale.setWhaleType(WhaleType.Toothed);
}
editCritter = theWhale;
}
else if (editCritter.ml_type == "Fish")
{
Fish theFish = (Fish)editCritter;
if (rb_red.Checked == true)
{
theFish.setFishType(FishType.red);
}
else if (rb_blue.Checked == true)
{
theFish.setFishType(FishType.blue);
}
else if (rb_green.Checked == true)
{
theFish.setFishType(FishType.green);
}
else
{
theFish.setFishType(FishType.orange);
}
editCritter = theFish;
}
else
{
Crustacean theCrustacean = (Crustacean)editCritter;
if (rb_crab.Checked == true)
{
theCrustacean.setCrustaceanType(CrustaceanType.Crab);
}
else if (rb_lobster.Checked == true)
{
theCrustacean.setCrustaceanType(CrustaceanType.Lobster);
}
else
{
theCrustacean.setCrustaceanType(CrustaceanType.Shrimp);
}
editCritter = theCrustacean;
}
topCritter = editCritter;
theModel.UpdateViews();
edit_panel.Enabled = false;
}
}
/// <summary>
/// delete a MarineLife-Object and update views
/// </summary>
public void DeleteMarineLife(MarineLife animal)
{
marineLifeList.Remove(animal);
UpdateViews();
}
/// <summary>
/// update views
/// </summary>
public void UpdateMarineLife(MarineLife animal)
{
UpdateViews();
}
/// <summary>
/// add MarineLife-Object to the model and update views
/// </summary>
public void AddMarineLife(MarineLife animal)
{
marineLifeList.Add(animal);
UpdateViews();
}