/// <summary>
/// Show Properties dialog. Return true if list is changed
/// </summary>
/// <param name="parent"></param>
/// <returns></returns>
public bool ShowPropertiesDialog(MkaDocument parent)
{
if (SelectionCount < 1)
{
return(false);
}
MkaMokkanInfo info = new MkaMokkanInfo();
GraphicsProperties properties = new GraphicsProperties();
bool multi = (SelectionCount > 1);
// get properties from selected object
GetProperties(ref info, ref properties);
MkaPropertiesMokkan dlg = new MkaPropertiesMokkan(this, info, properties, multi);
CommandChange c = new CommandChange(this);
if (dlg.ShowDialog(parent) != DialogResult.OK)
{
return(false);
}
if (ApplyProperties(dlg.MokkanProperty, dlg.Properties))
{
c.NewState(this);
parent.AddCommandToHistory(c);
return(true);
}
return(false);
}
/// <summary>
/// Mouse move - resize new polygon
/// </summary>
public override void OnMouseMove(MkaDocument docArea, MouseEventArgs e)
{
docArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (newPolygon == null)
{
return; // precaution
}
Point point = new Point(e.X, e.Y);
int distance = (e.X - lastX) * (e.X - lastX) + (e.Y - lastY) * (e.Y - lastY);
if (distance < minDistance)
{
// Distance between last two points is less than minimum -
// move last point
newPolygon.MoveHandleTo(point, newPolygon.HandleCount);
}
else
{
// Add new point
newPolygon.AddPoint(point);
lastX = e.X;
lastY = e.Y;
}
docArea.Refresh();
}
/// <summary>
/// Right mouse button is released
/// </summary>
public override void OnMouseUp(MkaDocument docArea, MouseEventArgs e)
{
if (selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(
docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)),
Color.Black,
FrameStyle.Dashed);
// Make group selection
docArea.MokkanList.SelectInRectangle(
DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint));
selectMode = SelectionMode.None;
}
if (resizedObject != null)
{
// after resizing
resizedObject.Normalize();
resizedObject = null;
}
docArea.Capture = false;
docArea.Refresh();
if (commandChangeState != null && wasMove)
{
// Keep state after moving/resizing and add command to history
commandChangeState.NewState(docArea.MokkanList);
docArea.AddCommandToHistory(commandChangeState);
commandChangeState = null;
}
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
public override void OnMouseDown(MkaDocument docArea, MouseEventArgs e)
{
// Create new polygon, add it to the list
// and keep reference to it
newPolygon = new DrawPolygon(e.X, e.Y, e.X + 1, e.Y + 1);
AddNewObject(docArea, newPolygon);
lastX = e.X;
lastY = e.Y;
}
/// <summary>
/// Mouse is moved, left mouse button is pressed or none button is pressed
/// </summary>
public override void OnMouseMove(MkaDocument docArea, MouseEventArgs e)
{
docArea.Cursor = Cursor;
if (e.Button == MouseButtons.Left)
{
Point point = new Point(e.X, e.Y);
docArea.MokkanList[0].MoveHandleTo(point, 5);
docArea.Refresh();
}
}
/// <summary>
/// Left mouse is released.
/// New object is created and resized.
/// </summary>
public override void OnMouseUp(MkaDocument docArea, MouseEventArgs e)
{
docArea.MokkanList[0].Normalize();
List <DrawObject> list = new List <DrawObject>();
list.Add(docArea.MokkanList[0]);
docArea.AddCommandToHistory(new CommandAdd(list));
docArea.ActiveTool = ToolType.Pointer;
docArea.Capture = false;
docArea.Refresh();
}
/// <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>
protected void AddNewObject(MkaDocument docArea, DrawObject o)
{
docArea.MokkanList.UnselectAll();
o.Selected = true;
docArea.MokkanList.Add(o);
docArea.MokkanList[0].MokkanInfo.RBangou = docArea.MokkanList.GetNextRBangou(docArea.MokkanList[0].MokkanInfo.RBangou, 1);
MkaMokkanInfo.LastRBangou = docArea.MokkanList.GetNextRBangou(MkaMokkanInfo.LastRBangou + 1, 0);
docArea.Capture = true;
docArea.Refresh();
docArea.SetDirty();
}
/// <summary>
/// Left mouse button is released
/// </summary>
public override void OnMouseUp(MkaDocument docArea, MouseEventArgs e)
{
newPolygon = null;
base.OnMouseUp(docArea, e);
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
public override void OnMouseDown(MkaDocument docArea, MouseEventArgs e)
{
AddNewObject(docArea, new DrawEllipse(e.X, e.Y, 1, 1));
}
/// <summary>
/// Left mouse button is released
/// </summary>
public virtual void OnMouseUp(MkaDocument docArea, MouseEventArgs e)
{
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
public override void OnMouseDown(MkaDocument docArea, MouseEventArgs e)
{
commandChangeState = null;
wasMove = false;
selectMode = SelectionMode.None;
Point point = new Point(e.X, e.Y);
// Test for resizing (only if control is selected, cursor is on the handle)
foreach (DrawObject o in docArea.MokkanList.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
docArea.MokkanList.UnselectAll();
o.Selected = true;
commandChangeState = new CommandChangeState(docArea.MokkanList);
break;
}
}
// Test for move (cursor is on the object)
if (selectMode == SelectionMode.None)
{
int n1 = docArea.MokkanList.Count;
DrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (docArea.MokkanList[i].HitTest(point) == 0)
{
o = docArea.MokkanList[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)
{
docArea.MokkanList.UnselectAll();
}
// Select clicked object
o.Selected = true;
commandChangeState = new CommandChangeState(docArea.MokkanList);
docArea.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (selectMode == SelectionMode.None)
{
// click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
{
docArea.MokkanList.UnselectAll();
}
selectMode = SelectionMode.NetSelection;
}
lastPoint.X = e.X;
lastPoint.Y = e.Y;
startPoint.X = e.X;
startPoint.Y = e.Y;
docArea.Capture = true;
docArea.Refresh();
if (selectMode == SelectionMode.NetSelection)
{
// Draw selection rectangle in initial position
ControlPaint.DrawReversibleFrame(
docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)),
Color.Black,
FrameStyle.Dashed);
}
}
/// <summary>
/// Mouse is moved.
/// None button is pressed, or left button is pressed.
/// </summary>
public override void OnMouseMove(MkaDocument docArea, MouseEventArgs e)
{
Point point = new Point(e.X, e.Y);
Point oldPoint = lastPoint;
wasMove = true;
// set cursor when mouse button is not pressed
if (e.Button == MouseButtons.None)
{
Cursor cursor = null;
for (int i = 0; i < docArea.MokkanList.Count; i++)
{
int n = docArea.MokkanList[i].HitTest(point);
if (n > 0)
{
cursor = docArea.MokkanList[i].GetHandleCursor(n);
break;
}
}
if (cursor == null)
{
cursor = Cursors.Default;
}
docArea.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);
docArea.SetDirty();
docArea.Refresh();
}
}
// move
if (selectMode == SelectionMode.Move)
{
foreach (DrawObject o in docArea.MokkanList.Selection)
{
o.Move(dx, dy);
}
docArea.Cursor = Cursors.SizeAll;
docArea.SetDirty();
docArea.Refresh();
}
if (selectMode == SelectionMode.NetSelection)
{
// Remove old selection rectangle
ControlPaint.DrawReversibleFrame(
docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, oldPoint)),
Color.Black,
FrameStyle.Dashed);
// Draw new selection rectangle
ControlPaint.DrawReversibleFrame(
docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, point)),
Color.Black,
FrameStyle.Dashed);
return;
}
}