public Layers()
{
Layer layer = new Layer(true);
layer.Name = "Default";
Add(layer);
CurrentLayer = layer;
}
public Layer(Layer prototype)
{
mElements = new LayerElements(typeof(Element),"Element");
mElements.SetModifiable(false);
mOpacity = prototype.Opacity;
mVisible = prototype.Visible;
mName = prototype.Name;
mDrawShadows = prototype.DrawShadows;
mShadowOffset = prototype.ShadowOffset;
mShadowColor = prototype.ShadowColor;
mSoftShadows = prototype.SoftShadows;
}
//Removes an Layer from the list
public virtual void Remove(Layer value )
{
if (value.Default) throw new LayerException("The default layer cannot be removed.");
Collapse(value,this["default"]);
}
//Inserts an elelemnt into the list
public virtual void Insert(int index, Layer value)
{
List.Insert(index, value);
}
//Adds an Layer to the list
public virtual int Add(Layer value)
{
return List.Add(value);
}
//Use the OnDeserialization callback so that we have direct access to the objects
public virtual void OnDeserialization(object sender)
{
// All objects in the stream have been deserialized.
// We can now populate the inner arraylist
Object[] values = (Object[]) mSavedInfo.GetValue("Values",typeof(Object));
SuspendEvents = true;
for (int i=0; i<values.Length; i++)
{
Add((Layer) values[i]);
}
CurrentLayer = (Layer) mSavedInfo.GetValue("CurrentLayer",typeof(Layer));
mSavedInfo = null;
SuspendEvents = false;
}
public virtual void MoveElement(Element element, Layer source, Layer target)
{
target.Elements.SetModifiable(true);
source.Elements.SetModifiable(true);
target.Elements.Add(element.Key,element);
source.Elements.Remove(element.Key);
element.SetLayer(target);
target.Elements.SetModifiable(false);
source.Elements.SetModifiable(false);
}
//Loop through layers and elements and render
public virtual void RenderDiagramElements(Graphics graphics)
{
bool isup = false;
bool isdown = false;
RectangleF region = new RectangleF(0,0,DiagramSize.Width,DiagramSize.Height);
foreach (Tab tab in Tabs)
{
if (tab.Visible)
{
//Determine if an up or down arrow should be drawn
if (isup)
{
isdown = true; //set down
isup = false; //reset up
region.Height = tab.Rectangle.Top - region.Top;
}
//Reset down
if (isdown) isdown = false;
//Set up
if (Tabs.CurrentTab == tab)
{
isup = true;
region.Y = tab.Rectangle.Bottom+1;
}
RenderTab(graphics,tab);
}
if (tab.ButtonStyle != ButtonStyle.None && DrawScroll)
{
RenderButton(graphics, tab.ButtonStyle, tab.ButtonRectangle, tab.ButtonPressed, tab.ButtonEnabled);
}
}
///Draw final button
if (ScrollTab.Visible && DrawScroll)
{
RenderButton(graphics,ButtonStyle.Down,ScrollTab.ButtonRectangle,ScrollTab.ButtonPressed,ScrollTab.ButtonEnabled);
}
//Set up the region to confine the elements drawn
graphics.Clip = new Region(region);
foreach (Layer layer in mLayers)
{
if (layer.Visible)
{
mWorldOpacity = layer.Opacity;
mCurrentLayer = layer;
//Render shadows
if (layer.DrawShadows)
{
foreach (Element element in mElementRenderList)
{
if (element.Layer == layer && element.DrawShadow && element.Visible)
{
graphics.TranslateTransform(element.Rectangle.X+layer.ShadowOffset.X ,element.Rectangle.Y+layer.ShadowOffset.Y);
graphics.SmoothingMode = element.SmoothingMode;
element.RenderShadow(graphics,this);
graphics.TranslateTransform(-element.Rectangle.X-layer.ShadowOffset.X,-element.Rectangle.Y-layer.ShadowOffset.Y);
}
}
}
//Draw each element by checking if it is renderable and calling the render method
foreach (Element element in mElementRenderList)
{
if (element.Layer == layer && element.Visible)
{
//Draw shapes
GraphicsState graphicsState = graphics.Save();
graphics.TranslateTransform(element.Rectangle.X,element.Rectangle.Y);
graphics.SmoothingMode = element.SmoothingMode;
element.Render(graphics,this);
graphics.Restore(graphicsState);
}
}
}
}
//Reset current layer
mCurrentLayer = null;
graphics.ResetClip();
}
//Returns the index of an Layer
public virtual int IndexOf(Layer value)
{
return List.IndexOf(value);
}
protected virtual void RenderDiagramElementsLayer(Graphics graphics, RenderList renderlist, Layer layer)
{
foreach (Element element in renderlist)
{
if (element.Layer == layer && element.Visible)
{
//Draw shapes
graphics.TranslateTransform(element.Rectangle.X,element.Rectangle.Y);
RenderElement(graphics,element);
//Render any elements in the container
if (element is IContainer)
{
IContainer container = (IContainer) element;
Region region = new Region(element.GetPathInternal());
Region current = graphics.Clip;
graphics.SetClip(region,CombineMode.Intersect);
RenderDiagramElementsLayer(graphics,container.RenderList,layer);
//reset clip
graphics.Clip = current;
}
graphics.TranslateTransform(-element.Rectangle.X,-element.Rectangle.Y);
}
}
}
//Loop through layers and elements and render
public virtual void RenderDiagramElements(Graphics graphics)
{
foreach (Layer layer in Layers)
{
if (layer.Visible)
{
mWorldOpacity = layer.Opacity;
mCurrentLayer = layer;
//Draw each element by checking if it is renderable and calling the render method
RenderDiagramElementsLayer(graphics,mElementRenderList,layer);
}
}
//Reset current layer
mCurrentLayer = null;
}
//Loop through layers and elements and render
public virtual void RenderDiagramElements(Graphics graphics)
{
OnPreRender(graphics);
//Set graphics
graphics.InterpolationMode = InterpolationMode;
graphics.CompositingMode = CompositingMode;
graphics.CompositingQuality = CompositingQuality;
graphics.SmoothingMode = SmoothingMode;
graphics.PixelOffsetMode = PixelOffsetMode;
bool drawBackgroundTemp = false;
foreach (Layer layer in mLayers)
{
if (layer.Visible)
{
mWorldOpacity = layer.Opacity;
mCurrentLayer = layer;
//Draw each element by checking if it is renderable and calling the render method
if (DrawShadows && layer.DrawShadows)
{
foreach (Element element in mElementRenderList)
{
if (element.Layer == layer && element.Visible)
{
if (SelectForPrint(element))
{
//Draw shapes
GraphicsState graphicsState = graphics.Save();
graphics.TranslateTransform(element.Rectangle.X,element.Rectangle.Y);
element.RenderShadow(graphics,this);
graphics.Restore(graphicsState);
}
}
}
}
//Draw each element by checking if it is renderable and calling the render method
foreach (Element element in mElementRenderList)
{
if (element.Layer == layer && element.Visible)
{
if (SelectForPrint(element))
{
//Draw shapes
GraphicsState graphicsState = graphics.Save();
SolidElement solid = null;
if (element is SolidElement)
{
solid = (SolidElement) element;
drawBackgroundTemp = solid.DrawBackground;
solid.mDrawBackground = DrawBackground;
}
graphics.TranslateTransform(element.Rectangle.X,element.Rectangle.Y);
element.Render(graphics,this);
graphics.Restore(graphicsState);
if (element is SolidElement) solid.mDrawBackground = drawBackgroundTemp;
}
}
}
}
}
//Reset current layer
mCurrentLayer = null;
OnPostRender(graphics);
}
//Loop through layers and elements and render
public virtual void RenderDiagramElements(Graphics graphics)
{
foreach (Layer layer in mLayers)
{
if (layer.Visible)
{
mWorldOpacity = layer.Opacity;
mCurrentLayer = layer;
//Render shadows
if (layer.DrawShadows)
{
foreach (Element element in mElementRenderList)
{
if (element.Layer == layer && element.DrawShadow && element.Visible)
{
GraphicsState graphicsState = graphics.Save();
Matrix matrix = graphics.Transform;
matrix.Translate(element.Rectangle.X+layer.ShadowOffset.X ,element.Rectangle.Y+layer.ShadowOffset.Y);
//Shadow is not rotated
graphics.Transform = matrix;
graphics.SmoothingMode = element.SmoothingMode;
element.RenderShadow(graphics,this);
graphics.Restore(graphicsState);
}
}
}
//Draw each element by checking if it is renderable and calling the render method
foreach (Element element in mElementRenderList)
{
if (element.Layer == layer && element.Visible)
{
//Draw shapes
GraphicsState graphicsState = graphics.Save();
Matrix matrix = graphics.Transform;
matrix.Translate(element.Rectangle.X,element.Rectangle.Y);
//Set up rotation and other transforms
if (element is ITransformable)
{
ITransformable rotatable = (ITransformable) element;
PointF center = new PointF(element.Rectangle.Width / 2, element.Rectangle.Height /2);
matrix.RotateAt(rotatable.Rotation, center);
}
//Apply transform, mode, and render element
graphics.Transform = matrix;
graphics.SmoothingMode = element.SmoothingMode;
element.Render(graphics,this);
graphics.Restore(graphicsState);
}
}
//Render selections
if (DrawSelections)
{
foreach (Element element in mElementRenderList)
{
if (element is ISelectable && element.Visible)
{
ISelectable selectable = (ISelectable) element;
if (element.Layer == layer && selectable.Selected && selectable.DrawSelected)
{
PointF transform;
//Calculate the transform
if (element is ITransformable)
{
ITransformable transformable = (ITransformable) element;
transform = new PointF(transformable.TransformRectangle.X, transformable.TransformRectangle.Y);
}
else
{
transform = new PointF(element.Rectangle.X,element.Rectangle.Y);
}
//Apply and render
graphics.TranslateTransform(transform.X, transform.Y);
graphics.SmoothingMode = element.SmoothingMode;
element.RenderSelection(graphics,this,this);
graphics.TranslateTransform(-transform.X, -transform.Y);
}
}
}
}
}
}
//Reset current layer
mCurrentLayer = null;
}
//Sets the current layer the element is in
protected internal void SetLayer(Layer layer)
{
mCurrentLayer = layer;
}
//Returns true if list contains Layer
public virtual bool Contains(Layer value)
{
return List.Contains(value);
}
//Methods
//Moves all shape references to the target layer and removes the source layer
public virtual void Collapse(Layer source, Layer target)
{
if (source.Default) throw new LayerException("Default layer cannot be collapsed.");
foreach (Element element in source.Elements)
{
target.Elements.Add(element.Key,element);
}
List.Remove(source);
}
//Constructor
public LayerRenderEventArgs(Graphics graphics, Rectangle renderRectangle, Layer layer) : base(graphics, renderRectangle)
{
_layer = layer;
}
