private void frmCoolBatchPopulator_Load(object sender, EventArgs e)
{
workArea = new WorkArea();
workArea.Location = new System.Drawing.Point(0, 0);
workArea.Size = new System.Drawing.Size(10, 10);
this.Controls.Add(workArea);
workArea.Initialize();
ResizeWorkArea();
}
public override void OnMouseMove(WorkArea workArea, MouseEventArgs e)
{
workArea.Cursor = Cursor;
if ( e.Button == MouseButtons.Left )
{
Point point = new Point(e.X, e.Y);
workArea.GraphicsList[0].MoveHandleTo(point, 5);
workArea.Refresh();
}
}
/* Evandro
/// <summary>
/// Left mouse is released.
/// New object is created and resized.
/// </summary>
/// <param name="workarea"></param>
/// <param name="e"></param>
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
{
drawArea.GraphicsList[0].Normalize();
drawArea.AddCommandToHistory(new CommandAdd(drawArea.GraphicsList[0]));
drawArea.ActiveTool = DrawArea.DrawToolType.Pointer;
drawArea.Capture = false;
drawArea.Refresh();
}
Fim Evandro */
/// <summary>
/// Add new object to draw area.
/// Function is called when user left-clicks draw area,
/// and one of ToolObject-derived tools is active.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="o"></param>
protected void AddNewObject(WorkArea workarea, DrawObject o)
{
workarea.GraphicsList.UnselectAll();
//workarea.Selected = true;
workarea.GraphicsList.Add(o);
workarea.Capture = true;
workarea.Refresh();
//workarea.SetDirty();
}
/// <summary>
/// Left mouse button is released
/// </summary>
/// <param name="WorkArea"></param>
/// <param name="e"></param>
public virtual void OnMouseUp(WorkArea workarea, MouseEventArgs e)
{
}
public override void OnMouseDown(WorkArea workArea, MouseEventArgs e)
{
AddNewObject(workArea, new DrawDatabase(e.X, e.Y, 70, 40));
}
public override void OnMouseDown(WorkArea workArea, MouseEventArgs e)
{
AddNewObject(workArea, new DrawLine(e.X, e.Y, e.X + 1, e.Y + 1));
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(WorkArea workArea, MouseEventArgs e)
{
selectMode = SelectionMode.None;
Point point = new Point(e.X, e.Y);
if (workArea.GraphicsList == null)
{
MessageBox.Show("Nenhum objeto");
return;
}
// Test for resizing (only if control is selected, cursor is on the handle)
foreach (DrawObject o in workArea.GraphicsList.Selection)
{
int handleNumber = o.HitTest(point);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
// keep resized object in class member
resizedObject = o;
resizedObjectHandle = handleNumber;
// Since we want to resize only one object, unselect all other objects
workArea.GraphicsList.UnselectAll();
o.Selected = true;
break;
}
}
// Test for move (cursor is on the object)
if (selectMode == SelectionMode.None)
{
int n1 = workArea.GraphicsList.Count;
DrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (workArea.GraphicsList[i].HitTest(point) == 0)
{
o = workArea.GraphicsList[i];
break;
}
}
if (o != null)
{
selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
workArea.GraphicsList.UnselectAll();
// Select clicked object
o.Selected = true;
workArea.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (selectMode == SelectionMode.None)
{
// click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
workArea.GraphicsList.UnselectAll();
selectMode = SelectionMode.NetSelection;
}
lastPoint.X = e.X;
lastPoint.Y = e.Y;
startPoint.X = e.X;
startPoint.Y = e.Y;
workArea.Capture = true;
workArea.Refresh();
if (selectMode == SelectionMode.NetSelection)
{
// Draw selection rectangle in initial position
ControlPaint.DrawReversibleFrame(
workArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)),
Color.Black,
FrameStyle.Dashed);
}
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(WorkArea drawArea, MouseEventArgs e)
{
if (selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(
drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)),
Color.Black,
FrameStyle.Dashed);
// Make group selection
drawArea.GraphicsList.SelectInRectangle(
DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint));
selectMode = SelectionMode.None;
}
if (resizedObject != null)
{
// after resizing
resizedObject.Normalize();
resizedObject = null;
}
drawArea.Capture = false;
drawArea.Refresh();
}
/// <summary>
/// Mouse is moved.
/// None button is pressed, or left button is pressed.
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(WorkArea drawArea, MouseEventArgs e)
{
Point point = new Point(e.X, e.Y);
Point oldPoint = lastPoint;
// set cursor when mouse button is not pressed
if (e.Button == MouseButtons.None)
{
Cursor cursor = null;
if (drawArea.GraphicsList != null)
{
for (int i = 0; i < drawArea.GraphicsList.Count; i++)
{
int n = drawArea.GraphicsList[i].HitTest(point);
if (n > 0)
{
cursor = drawArea.GraphicsList[i].GetHandleCursor(n);
break;
}
}
}
if (cursor == null)
cursor = Cursors.Default;
drawArea.Cursor = cursor;
return;
}
if (e.Button != MouseButtons.Left)
return;
/// Left button is pressed
// Find difference between previous and current position
int dx = e.X - lastPoint.X;
int dy = e.Y - lastPoint.Y;
lastPoint.X = e.X;
lastPoint.Y = e.Y;
// resize
if (selectMode == SelectionMode.Size)
{
if (resizedObject != null)
{
resizedObject.MoveHandleTo(point, resizedObjectHandle);
drawArea.Refresh();
}
}
// move
if (selectMode == SelectionMode.Move)
{
foreach (DrawObject o in drawArea.GraphicsList.Selection)
{
o.Move(dx, dy);
}
drawArea.Cursor = Cursors.SizeAll;
drawArea.Refresh();
}
if (selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(
drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, oldPoint)),
Color.Black,
FrameStyle.Dashed);
// Draw new selection rectangle
ControlPaint.DrawReversibleFrame(
drawArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, point)),
Color.Black,
FrameStyle.Dashed);
return;
}
}
