private void CreateUseCase(String name, Point mouse)
{
int width = useCaseBaseWidth;
int height = useCaseBaseHeight;
if (name != "")
{
// Get size of name when drawn
SizeF nameBounds = pictureBoxGraphics.MeasureString(name, Font);
// Update width
width = Math.Max(width, (int)nameBounds.Width + 15 * 2);
}
// Create use case
UseCase useCase = new UseCase(useCaseBaseWidth, mouse.X, mouse.Y, width, height, name);
// Draw actor and set as selected
useCase.Draw(pictureBoxGraphics, Font, true);
selectedIndex = useCases.Count;
selectedType = typeof(UseCase);
// Add actor to list
useCases.Add(useCase);
// Open properties window
useCasePropertiesForm = new UseCasePropertiesForm(useCase);
useCasePropertiesForm.Show();
}
public Form1()
{
InitializeComponent();
selectedIndex = -1;
selectedType = null;
actors = new List <Actor>();
useCases = new List <UseCase>();
lines = new List <Line>();
lineSelectionActor = null;
lineSelectionUseCase = null;
useCasePropertiesForm = null;
pictureBoxGraphics = useCaseDiagramPictureBox.CreateGraphics();
pictureBoxGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
pictureBoxGraphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
}
private void UpdateUseCasePropertiesForm()
{
if (useCasePropertiesForm != null && selectedIndex != -1)
{
// Update usecase
useCases[selectedIndex].name = useCasePropertiesForm.nameTextBox.Text;
useCases[selectedIndex].summary = useCasePropertiesForm.summaryTextBox.Text;
useCases[selectedIndex].assumption = useCasePropertiesForm.assumptionTextBox.Text;
useCases[selectedIndex].description = useCasePropertiesForm.descriptionTextBox.Text;
useCases[selectedIndex].exception = useCasePropertiesForm.exceptionTextBox.Text;
useCases[selectedIndex].result = useCasePropertiesForm.resultTextBox.Text;
// Close dialog
useCasePropertiesForm.Close();
useCasePropertiesForm = null;
}
}
private void removeButton_Click(object sender, EventArgs e)
{
if (selectedIndex >= 0)
{
if (selectedType == typeof(Actor))
{
// Check if connected to line
Line[] ls = GetConnectedLine(actors[selectedIndex]);
// Delete line and actor and actor in connected user case]
for (int i = 0; i < ls.Length; i++)
{
ls[i].useCase.actors.Remove(actors[selectedIndex]);
lines.Remove(ls[i]);
}
actors.RemoveAt(selectedIndex);
}
else if (selectedType == typeof(UseCase))
{
// Check if connected to line
Line[] ls = GetConnectedLine(useCases[selectedIndex]);
// Delete line and actor
for (int i = 0; i < ls.Length; i++)
{
lines.Remove(ls[i]);
}
useCasePropertiesForm.Close();
useCasePropertiesForm = null;
useCases.RemoveAt(selectedIndex);
}
else if (selectedType == typeof(Line))
{
// Remove actor from connected usecase
lines[selectedIndex].useCase.removeActor(lines[selectedIndex].actor);
lines.RemoveAt(selectedIndex);
}
}
selectedIndex = -1;
selectedType = null;
Redraw();
}
private void useCaseDiagramPictureBox_MouseClick(object sender, MouseEventArgs e)
{
UpdateUseCasePropertiesForm();
selectedIndex = -1;
selectedType = null;
// Check if in create mode
if (createRadioButton.Checked)
{
// Check if actor is checked
if (actorRadioButton.Checked)
{
// Open dialog prompting user for actor name
using (NameForm dialog = new NameForm("actor"))
{
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
// Actor creation validated, continue!
CreateActor(dialog.actorNameTextBox.Text, e.Location);
}
}
}
else if (useCaseRadioButton.Checked)
{
// Open dialog prompting user for use case name
using (NameForm dialog = new NameForm("use case"))
{
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
// Actor creation validated, continue!
CreateUseCase(dialog.actorNameTextBox.Text, e.Location);
}
}
}
else if (lineRadioButton.Checked)
{
for (int i = 0; i < actors.Count; i++)
{
Actor actor = actors[i];
// Check if mouse is within bound of actor
if (e.Location.X >= actor.x && e.Location.X <= actor.x + actor.width && e.Location.Y >= actor.y && e.Location.Y <= actor.y + actor.height)
{
// Check if there was already a use case selected (connection made)
if (lineSelectionUseCase != null)
{
lineSelectionActor = actor;
CreateLine();
}
else
{
// Check if there was previously another actor selected
if (lineSelectionActor != null)
{
// Redraw that actor, only unselected
lineSelectionActor.Draw(pictureBoxGraphics, Font, false);
}
// Set selected actor
lineSelectionActor = actor;
// Redraw selected actor, only selected
actor.Draw(pictureBoxGraphics, Font, true);
return;
}
}
}
for (int i = 0; i < useCases.Count; i++)
{
UseCase useCase = useCases[i];
// Check if mouse is within bound of use case
if (e.Location.X >= useCase.x && e.Location.X <= useCase.x + useCase.width && e.Location.Y >= useCase.y && e.Location.Y <= useCase.y + useCase.height)
{
// Check if there was already an actor selected (connection made)
if (lineSelectionActor != null)
{
lineSelectionUseCase = useCase;
CreateLine();
}
else
{
// Check if there was previously another use case selected
if (lineSelectionUseCase != null)
{
// Redraw that use case, only unselected
lineSelectionUseCase.Draw(pictureBoxGraphics, Font, false);
}
// Set selected use case
lineSelectionUseCase = useCase;
// Redraw selected use case, only selected
useCase.Draw(pictureBoxGraphics, Font, true);
return;
}
}
}
// Nothing selected, reset selection
lineSelectionActor = null;
lineSelectionUseCase = null;
}
}
else // Select mode
{
for (int i = 0; i < actors.Count; i++)
{
Actor actor = actors[i];
// Check if mouse is within bound of actor
if (e.Location.X >= actor.x && e.Location.X <= actor.x + actor.width && e.Location.Y >= actor.y && e.Location.Y <= actor.y + actor.height)
{
// Redraw selected actor
actor.Draw(pictureBoxGraphics, Font, true);
selectedIndex = i;
selectedType = typeof(Actor);
Redraw();
return;
}
}
for (int i = 0; i < useCases.Count; i++)
{
UseCase useCase = useCases[i];
// Check if mouse is within bound of use case
if (e.Location.X >= useCase.x && e.Location.X <= useCase.x + useCase.width && e.Location.Y >= useCase.y && e.Location.Y <= useCase.y + useCase.height)
{
// Redraw selected use case
useCase.Draw(pictureBoxGraphics, Font, true);
selectedIndex = i;
selectedType = typeof(UseCase);
useCasePropertiesForm = new UseCasePropertiesForm(useCase);
useCasePropertiesForm.Show();
Redraw();
return;
}
}
for (int i = 0; i < lines.Count; i++)
{
Line line = lines[i];
// Check if mouse is within bound of line
if (e.Location.X >= line.xSelectionBox && e.Location.X <= line.xSelectionBox + line.widthSelectionBox && e.Location.Y >= line.ySelectionBox && e.Location.Y <= line.ySelectionBox + line.heightSelectionBox)
{
// Redraw selected line
line.Draw(pictureBoxGraphics, Font, true);
selectedIndex = i;
selectedType = typeof(Line);
Redraw();
return;
}
}
}
Redraw();
}
