public void SetBackgroundType(CanvasBackgroundTypes value)
{
if (value == CanvasBackgroundTypes.Gradient)
{
BuildGradientBrush();
}
}
public Ambience(Model model)
{
if (model == null)
throw new ArgumentNullException("The Model is 'null'");
//set default ambience
mBackgroundColor = Color.WhiteSmoke;
mBackgroundType = CanvasBackgroundTypes.FlatColor;
mGradientColor1 = Color.WhiteSmoke;
mGradientColor2 = Color.SteelBlue;
mModel = model;
}
/// <summary>
/// Sets the type of the background.
/// </summary>
/// <param name="value">The value.</param>
public void SetBackgroundType(CanvasBackgroundTypes value)
{
if (value == CanvasBackgroundTypes.Gradient)
{
BuildGradientBrush();
}
else if (value == CanvasBackgroundTypes.FlatColor)
{
RaiseOnBackColorChange(Model.CurrentPage.Ambience.BackgroundColor);
}
//BuildSolidBrush();
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="page">The page.</param>
public Ambience(IPage page)
{
if (page == null)
throw new ArgumentNullException("The page paramter cannot be 'null'");
if (page.Model == null)
throw new ArgumentNullException("The Model is 'null'");
//set default ambience
mBackgroundColor = Color.LightSlateGray;
mBackgroundType = CanvasBackgroundTypes.FlatColor;
mGradientColor1 = Color.WhiteSmoke;
mGradientColor2 = Color.LightSlateGray;
mModel = page.Model;
}
public Ambience(Model model)
{
if (model == null)
{
throw new ArgumentNullException("The Model is 'null'");
}
//set default ambience
mBackgroundColor = Color.WhiteSmoke;
mBackgroundType = CanvasBackgroundTypes.FlatColor;
mGradientColor1 = Color.WhiteSmoke;
mGradientColor2 = Color.SteelBlue;
mModel = model;
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="page">The page.</param>
public Ambience(IPage page)
{
if (page == null)
{
throw new ArgumentNullException("The page paramter cannot be 'null'");
}
if (page.Model == null)
{
throw new ArgumentNullException("The Model is 'null'");
}
//set default ambience
mBackgroundColor = Color.LightSlateGray;
mBackgroundType = CanvasBackgroundTypes.FlatColor;
mGradientColor1 = Color.WhiteSmoke;
mGradientColor2 = Color.LightSlateGray;
mModel = page.Model;
}
// ------------------------------------------------------------------
/// <summary>
/// Default constructor
/// </summary>
/// <param name="page">The page.</param>
// ------------------------------------------------------------------
public Ambience(IPage page)
{
if (page == null)
{
throw new ArgumentNullException(
"The page paramter cannot be 'null'");
}
if (page.Model == null)
{
throw new ArgumentNullException("The Model is 'null'");
}
//set default ambience
//mBackgroundColor = Color.FromArgb(116, 118, 124);
mBackgroundColor = ArtPalette.DefaultPageBackgroundColor;
mBackgroundType = CanvasBackgroundTypes.FlatColor;
mGradientColor1 = Color.WhiteSmoke;
mGradientColor2 = Color.LightSlateGray;
mPageBackgroundType = CanvasBackgroundTypes.FlatColor;
mPageColor = ArtPalette.DefaultPageColor;
mPageGradientColor1 = Color.WhiteSmoke;
mPageGradientColor2 = Color.Silver;
mModel = page.Model;
}
// ------------------------------------------------------------------
/// <summary>
/// Default constructor
/// </summary>
/// <param name="page">The page.</param>
// ------------------------------------------------------------------
public Ambience(IPage page) {
if (page == null)
throw new ArgumentNullException(
"The page paramter cannot be 'null'");
if (page.Model == null)
throw new ArgumentNullException("The Model is 'null'");
//set default ambience
//mBackgroundColor = Color.FromArgb(116, 118, 124);
mBackgroundColor = ArtPalette.DefaultPageBackgroundColor;
mBackgroundType = CanvasBackgroundTypes.FlatColor;
mGradientColor1 = Color.WhiteSmoke;
mGradientColor2 = Color.LightSlateGray;
mPageBackgroundType = CanvasBackgroundTypes.FlatColor;
mPageColor = ArtPalette.DefaultPageColor;
mPageGradientColor1 = Color.WhiteSmoke;
mPageGradientColor2 = Color.Silver;
mModel = page.Model;
}
/// <summary>
/// Sets the values passed by the property grid
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void SetPropertyBagValue(object sender, PropertySpecEventArgs e)
{
switch(e.Property.Name)
{
case "AutomataPulse":
this.AutomataPulse = (int) e.Value;
break;
case "BackgroundColor":
this.mBackgroundColor = (Color) e.Value;
this.Invalidate();
break;
case "BackgroundImagePath":
this.mBackgroundImagePath = (string) e.Value;
this.Invalidate();
break;
case "DefaultConnectionPath":
this.connectionPath = (string) e.Value;
break;
case "DefaultLineEnd":
this.connectionEnd = (ConnectionEnds) e.Value;
break;
case "EnableContextMenu":
this.EnableContextMenu = (bool) e.Value;
this.Invalidate();
break;
case "EnableLayout":
this.EnableLayout = (bool) e.Value;
break;
case "GradientBottom":
this.mGradientBottom = (Color) e.Value;
this.Invalidate();
break;
case "GradientTop":
this.mGradientTop = (Color) e.Value;
this.Invalidate();
break;
case "GraphLayoutAlgorithm":
this.layoutFactory.GraphLayoutAlgorithm = (GraphLayoutAlgorithms) e.Value;
break;
case "GridSize":
this.mGridSize = (int) e.Value;
this.Invalidate();
break;
case "RestrictToCanvas":
this.mRestrictToCanvas = (bool) e.Value;
break;
case "ShowGrid":
this.mShowGrid = (bool) e.Value;
this.Invalidate();
break;
case "Snap":
this.mSnap = (bool) e.Value;
this.Invalidate();
break;
case "BackgroundType":
this.mBackgroundType= (CanvasBackgroundTypes) e.Value;
this.Invalidate();
break;
case "AllowAddShape":
this.mAllowAddShape = (bool) e.Value;
break;
case "AllowAddConnection":
this.mAllowAddConnection = (bool) e.Value;
break;
case "AllowDeleteShape":
this.mAllowDeleteShape = (bool) e.Value;
break;
case "AllowMoveShape":
this.mAllowMoveShape = (bool) e.Value;
break;
}
}
/// <summary>
/// Paints the background of the canvas, could have been done in the paint handler as well.
/// This is not clear in the .Net doc.
/// </summary>
/// <param name="e"></param>
protected override void OnPaintBackground(PaintEventArgs e)
{
Graphics g=e.Graphics;
Rectangle r;
switch (this.mBackgroundType)
{
case CanvasBackgroundTypes.Image:
if (mBackgroundImagePath==null) return;
if(mBackgroundImagePath.Trim()==string.Empty) return;
try
{
Image im=Image.FromFile(BackgroundImagePath);
g.DrawImage(im,0,0,Size.Width,Size.Height);
if(mShowGrid)
{
r = this.ClientRectangle;
ControlPaint.DrawGrid(g,r,new Size(mGridSize,mGridSize),Color.Wheat);
}
}
catch (System.IO.FileNotFoundException exc)
{
this.mBackgroundType = CanvasBackgroundTypes.FlatColor;
MessageBox.Show("The path to the background image was not found.","Error",MessageBoxButtons.OK,MessageBoxIcon.Warning);
Trace.WriteLine(exc.Message);
}
break;
case CanvasBackgroundTypes.FlatColor:
g.SmoothingMode=SmoothingMode.AntiAlias;
r = this.ClientRectangle;
g.FillRectangle(new SolidBrush(mBackgroundColor), r);
if(mShowGrid)
ControlPaint.DrawGrid(g,r,new Size(mGridSize,mGridSize),Color.Wheat);
break;
case CanvasBackgroundTypes.Gradient:
g.SmoothingMode=SmoothingMode.AntiAlias;
r = this.ClientRectangle;
//g.FillRectangle(new SolidBrush(Color.White), r);
LinearGradientMode lgm =LinearGradientMode.Vertical;
LinearGradientBrush lgb = new LinearGradientBrush(r,this.mGradientTop,this.mGradientBottom,lgm);
g.FillRectangle(lgb,r);
if(mShowGrid)
ControlPaint.DrawGrid(g,r,new Size(mGridSize,mGridSize),Color.Wheat);
//some text on the canvas
//g.DrawString("Netron", new Font("Verdana", 100,FontStyle.Bold),new SolidBrush(Color.White),55,55);
break;
}
//the ControlPaint class has interesting stuff, have a look at it!
//ControlPaint.DrawBorder3D(g,0,0,workingSize.Width,workingSize.Height);
}
/// <summary>
/// Sets the type of the background.
/// </summary>
/// <param name="value">The value.</param>
public void SetBackgroundType(CanvasBackgroundTypes value)
{
if(value == CanvasBackgroundTypes.Gradient)
BuildGradientBrush();
else if(value == CanvasBackgroundTypes.FlatColor)
RaiseOnBackColorChange(Model.CurrentPage.Ambience.BackgroundColor);
//BuildSolidBrush();
}
public void SetBackgroundType(CanvasBackgroundTypes value)
{
if (value == CanvasBackgroundTypes.Gradient)
BuildGradientBrush();
}
