private void surfaceMovingElementChanged(object sender, DrawableContainerList selectedElements)
{
bool elementSelected = (selectedElements.Count > 0);
this.btnCopy.Enabled = elementSelected;
this.btnCut.Enabled = elementSelected;
this.btnDelete.Enabled = elementSelected;
this.copyToolStripMenuItem.Enabled = elementSelected;
this.cutToolStripMenuItem.Enabled = elementSelected;
this.duplicateToolStripMenuItem.Enabled = elementSelected;
this.removeObjectToolStripMenuItem.Enabled = elementSelected;
this.borderColorToolStripMenuItem.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.LINECOLOR));
this.btnBorderColor.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.LINECOLOR));
this.backgroundColorToolStripMenuItem.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.FILLCOLOR));
this.btnBackColor.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.FILLCOLOR));
this.lineThickness1ToolStripMenuItem.Enabled = this.lineThicknessToolStripMenuItem.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.THICKNESS));
this.comboBoxThickness.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.THICKNESS));
this.btnArrowHeads.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.ARROWHEADS));
this.arrowHeadsToolStripMenuItem.Enabled = (elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.ARROWHEADS));
bool push = surface.CanPushSelectionDown();
bool pull = surface.CanPullSelectionUp();
this.arrangeToolStripMenuItem.Enabled = (push || pull);
if (this.arrangeToolStripMenuItem.Enabled)
{
this.upToTopToolStripMenuItem.Enabled = pull;
this.upOneLevelToolStripMenuItem.Enabled = pull;
this.downToBottomToolStripMenuItem.Enabled = push;
this.downOneLevelToolStripMenuItem.Enabled = push;
}
}
public void BindElements(DrawableContainerList dcs)
{
foreach (DrawableContainer dc in dcs)
{
BindElement(dc);
}
}
public void BindElements(DrawableContainerList dcs)
{
foreach (DrawableContainer dc in dcs)
{
BindElement(dc);
}
}
public void SelectElements(DrawableContainerList elements)
{
foreach (DrawableContainer element in elements)
{
SelectElement(element);
}
}
public void AddElements(DrawableContainerList elems)
{
elements.AddRange(elems);
Invalidate();
}
public static Bitmap GetImageForExport(Image img)
{
Bitmap ret = new Bitmap(img.Width, img.Height);
Graphics g = Graphics.FromImage(ret);
g.DrawImageUnscaled(img, new Point(0, 0));
DrawableContainerList elements = new DrawableContainerList();
elements.Draw(g, DrawableContainer.RenderMode.EXPORT);
g.DrawImage(ret, 0, 0);
return ret;
}
/// <summary>
/// Add the supplied elements to the surface
/// </summary>
/// <param name="elementsToAdd"></param>
public void AddElements(DrawableContainerList elementsToAdd)
{
foreach (IDrawableContainer element in elementsToAdd)
{
AddElement(element, true);
}
}
/// <summary>
/// Base Surface constructor
/// </summary>
public Surface()
: base()
{
Count++;
_elements = new DrawableContainerList(_uniqueId);
selectedElements = new DrawableContainerList(_uniqueId);
LOG.Debug("Creating surface!");
MouseDown += SurfaceMouseDown;
MouseUp += SurfaceMouseUp;
MouseMove += SurfaceMouseMove;
MouseDoubleClick += SurfaceDoubleClick;
Paint += SurfacePaint;
AllowDrop = true;
DragDrop += OnDragDrop;
DragEnter += OnDragEnter;
// bind selected & elements to this, otherwise they can't inform of modifications
selectedElements.Parent = this;
_elements.Parent = this;
// Make sure we are visible
Visible = true;
TabStop = false;
// Enable double buffering
DoubleBuffered = true;
SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.ResizeRedraw | ControlStyles.ContainerControl | ControlStyles.OptimizedDoubleBuffer | ControlStyles.SupportsTransparentBackColor, true);
}
/// <summary>
/// This event handler is called when someone presses the mouse on a surface.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SurfaceMouseDown(object sender, MouseEventArgs e)
{
_mouseStart = e.Location;
// check contextmenu
if (e.Button == MouseButtons.Right)
{
DrawableContainerList selectedList = null;
if (selectedElements != null && selectedElements.Count > 0)
{
selectedList = selectedElements;
}
else
{
// Single element
IDrawableContainer rightClickedContainer = _elements.ClickableElementAt(_mouseStart.X, _mouseStart.Y);
if (rightClickedContainer != null)
{
selectedList = new DrawableContainerList(ID);
selectedList.Add(rightClickedContainer);
}
}
if (selectedList != null && selectedList.Count > 0)
{
selectedList.ShowContextMenu(e, this);
}
return;
}
_mouseDown = true;
_isSurfaceMoveMadeUndoable = false;
if (_cropContainer != null && ((_undrawnElement == null) || (_undrawnElement != null && DrawingMode != DrawingModes.Crop)))
{
RemoveElement(_cropContainer, false);
_cropContainer = null;
_drawingElement = null;
}
if (_drawingElement == null && DrawingMode != DrawingModes.None)
{
if (_undrawnElement == null)
{
DeselectAllElements();
if (_undrawnElement == null)
{
CreateUndrawnElement();
}
}
_drawingElement = _undrawnElement;
// if a new element has been drawn, set location and register it
if (_drawingElement != null)
{
_drawingElement.Status = _undrawnElement.DefaultEditMode;
_drawingElement.PropertyChanged += ElementPropertyChanged;
if (!_drawingElement.HandleMouseDown(_mouseStart.X, _mouseStart.Y))
{
_drawingElement.Left = _mouseStart.X;
_drawingElement.Top = _mouseStart.Y;
}
AddElement(_drawingElement);
_drawingElement.Selected = true;
}
_undrawnElement = null;
}
else
{
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
_mouseDownElement = _elements.ClickableElementAt(_mouseStart.X, _mouseStart.Y);
if (_mouseDownElement != null)
{
_mouseDownElement.Status = EditStatus.MOVING;
}
}
}
private void surfaceMovingElementChanged(object sender, DrawableContainerList selectedElements)
{
bool elementSelected = (selectedElements.Count > 0);
this.btnCopy.Enabled = elementSelected;
this.btnCut.Enabled = elementSelected;
this.btnDelete.Enabled = elementSelected;
this.copyToolStripMenuItem.Enabled = elementSelected;
this.cutToolStripMenuItem.Enabled = elementSelected;
this.duplicateToolStripMenuItem.Enabled = elementSelected;
this.removeObjectToolStripMenuItem.Enabled = elementSelected;
//this.btnBorderColor.Enabled = this.borderColorToolStripMenuItem.Enabled =
//(elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.LINECOLOR));
//this.btnBackgroundColor.Enabled = this.backgroundColorToolStripMenuItem.Enabled =
//(elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.FILLCOLOR));
//this.comboBoxThickness.Enabled = this.lineThicknessToolStripMenuItem.Enabled =
//(elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.THICKNESS));
//this.btnArrowHeads.Enabled = this.arrowHeadsToolStripMenuItem.Enabled =
//(elementSelected && selectedElements.PropertySupported(DrawableContainer.Property.ARROWHEADS));
bool push = surface.CanPushSelectionDown();
bool pull = surface.CanPullSelectionUp();
this.arrangeToolStripMenuItem.Enabled = (push || pull);
if (this.arrangeToolStripMenuItem.Enabled)
{
this.upToTopToolStripMenuItem.Enabled = pull;
this.upOneLevelToolStripMenuItem.Enabled = pull;
this.downToBottomToolStripMenuItem.Enabled = push;
this.downOneLevelToolStripMenuItem.Enabled = push;
}
}
