private bool ValidateMarginOrPaddingLine(SnapLine snapLine, Rectangle dragBounds)
{
Rectangle rectangle = (Rectangle)this.snapLineToBounds[snapLine];
if (snapLine.IsVertical)
{
if (rectangle.Top >= dragBounds.Top)
{
if ((dragBounds.Top + dragBounds.Height) < rectangle.Top)
{
return(false);
}
}
else if ((rectangle.Top + rectangle.Height) < dragBounds.Top)
{
return(false);
}
}
else if (rectangle.Left < dragBounds.Left)
{
if ((rectangle.Left + rectangle.Width) < dragBounds.Left)
{
return(false);
}
}
else if ((dragBounds.Left + dragBounds.Width) < rectangle.Left)
{
return(false);
}
return(true);
}
public static bool ShouldSnap(SnapLine line1, SnapLine line2)
{
if (line1.SnapLineType != line2.SnapLineType)
{
return(false);
}
if ((line1.Filter == null) && (line2.Filter == null))
{
return(true);
}
if ((line1.Filter == null) || (line2.Filter == null))
{
return(false);
}
if (line1.Filter.Contains("Margin"))
{
if (((!line1.Filter.Equals("Margin.Right") || (!line2.Filter.Equals("Margin.Left") && !line2.Filter.Equals("Padding.Right"))) && (!line1.Filter.Equals("Margin.Left") || (!line2.Filter.Equals("Margin.Right") && !line2.Filter.Equals("Padding.Left")))) && (((!line1.Filter.Equals("Margin.Top") || (!line2.Filter.Equals("Margin.Bottom") && !line2.Filter.Equals("Padding.Top"))) && (!line1.Filter.Equals("Margin.Bottom") || !line2.Filter.Equals("Margin.Top"))) && !line2.Filter.Equals("Padding.Bottom")))
{
return(false);
}
return(true);
}
if (line1.Filter.Contains("Padding"))
{
if (((!line1.Filter.Equals("Padding.Left") || !line2.Filter.Equals("Margin.Left")) && (!line1.Filter.Equals("Padding.Right") || !line2.Filter.Equals("Margin.Right"))) && ((!line1.Filter.Equals("Padding.Top") || !line2.Filter.Equals("Margin.Top")) && (!line1.Filter.Equals("Padding.Bottom") || !line2.Filter.Equals("Margin.Bottom"))))
{
return(false);
}
return(true);
}
return(line1.Filter.Equals(line2.Filter));
}
public static bool ShouldSnap(SnapLine line1, SnapLine line2)
{
if (line1.SnapLineType != line2.SnapLineType)
{
return false;
}
if ((line1.Filter == null) && (line2.Filter == null))
{
return true;
}
if ((line1.Filter == null) || (line2.Filter == null))
{
return false;
}
if (line1.Filter.Contains("Margin"))
{
if (((!line1.Filter.Equals("Margin.Right") || (!line2.Filter.Equals("Margin.Left") && !line2.Filter.Equals("Padding.Right"))) && (!line1.Filter.Equals("Margin.Left") || (!line2.Filter.Equals("Margin.Right") && !line2.Filter.Equals("Padding.Left")))) && (((!line1.Filter.Equals("Margin.Top") || (!line2.Filter.Equals("Margin.Bottom") && !line2.Filter.Equals("Padding.Top"))) && (!line1.Filter.Equals("Margin.Bottom") || !line2.Filter.Equals("Margin.Top"))) && !line2.Filter.Equals("Padding.Bottom")))
{
return false;
}
return true;
}
if (line1.Filter.Contains("Padding"))
{
if (((!line1.Filter.Equals("Padding.Left") || !line2.Filter.Equals("Margin.Left")) && (!line1.Filter.Equals("Padding.Right") || !line2.Filter.Equals("Margin.Right"))) && ((!line1.Filter.Equals("Padding.Top") || !line2.Filter.Equals("Margin.Top")) && (!line1.Filter.Equals("Padding.Bottom") || !line2.Filter.Equals("Margin.Bottom"))))
{
return false;
}
return true;
}
return line1.Filter.Equals(line2.Filter);
}
private static bool IsMarginOrPaddingSnapLine(SnapLine snapLine)
{
if (snapLine.Filter == null)
{
return(false);
}
if (!snapLine.Filter.StartsWith("Margin"))
{
return(snapLine.Filter.StartsWith("Padding"));
}
return(true);
}
/// <summary>
/// Builds up an array of snaplines used during resize to adjust/snap the controls bounds.
/// </summary>
private SnapLine[] GenerateSnapLines(SelectionRules rules, Point loc)
{
ArrayList lines = new ArrayList(2);
//the four margins and edges of our control
if ((rules & SelectionRules.BottomSizeable) != 0)
{
lines.Add(new SnapLine(SnapLineType.Bottom, loc.Y - 1));
if (_primaryControl != null)
{
lines.Add(new SnapLine(SnapLineType.Horizontal, loc.Y + _primaryControl.Margin.Bottom, SnapLine.MarginBottom, SnapLinePriority.Always));
}
}
else if ((rules & SelectionRules.TopSizeable) != 0)
{
lines.Add(new SnapLine(SnapLineType.Top, loc.Y));
if (_primaryControl != null)
{
lines.Add(new SnapLine(SnapLineType.Horizontal, loc.Y - _primaryControl.Margin.Top, SnapLine.MarginTop, SnapLinePriority.Always));
}
}
if ((rules & SelectionRules.RightSizeable) != 0)
{
lines.Add(new SnapLine(SnapLineType.Right, loc.X - 1));
if (_primaryControl != null)
{
lines.Add(new SnapLine(SnapLineType.Vertical, loc.X + _primaryControl.Margin.Right, SnapLine.MarginRight, SnapLinePriority.Always));
}
}
else if ((rules & SelectionRules.LeftSizeable) != 0)
{
lines.Add(new SnapLine(SnapLineType.Left, loc.X));
if (_primaryControl != null)
{
lines.Add(new SnapLine(SnapLineType.Vertical, loc.X - _primaryControl.Margin.Left, SnapLine.MarginLeft, SnapLinePriority.Always));
}
}
SnapLine[] l = new SnapLine[lines.Count];
lines.CopyTo(l);
return(l);
}
private int BuildDistanceArray(ArrayList snapLines, ArrayList targetSnapLines, int[] distances, Rectangle dragBounds)
{
int num = 0x1111;
int num2 = 0;
for (int i = 0; i < snapLines.Count; i++)
{
SnapLine snapLine = (SnapLine)snapLines[i];
if (IsMarginOrPaddingSnapLine(snapLine) && !this.ValidateMarginOrPaddingLine(snapLine, dragBounds))
{
distances[i] = 0x1111;
}
else
{
int num4 = 0x1111;
for (int j = 0; j < targetSnapLines.Count; j++)
{
SnapLine line2 = (SnapLine)targetSnapLines[j];
if (SnapLine.ShouldSnap(snapLine, line2))
{
int num6 = line2.Offset - snapLine.Offset;
if (Math.Abs(num6) < Math.Abs(num4))
{
num4 = num6;
}
}
}
distances[i] = num4;
int priority = (int)((SnapLine)snapLines[i]).Priority;
if ((Math.Abs(num4) < Math.Abs(num)) || ((Math.Abs(num4) == Math.Abs(num)) && (priority > num2)))
{
num = num4;
if (priority != 4)
{
num2 = priority;
}
}
}
}
return(num);
}
private SnapLine[] GenerateSnapLines(SelectionRules rules, Point loc)
{
ArrayList list = new ArrayList(2);
if ((rules & SelectionRules.BottomSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Bottom, loc.Y - 1));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Horizontal, loc.Y + this.primaryControl.Margin.Bottom, "Margin.Bottom", SnapLinePriority.Always));
}
}
else if ((rules & SelectionRules.TopSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Top, loc.Y));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Horizontal, loc.Y - this.primaryControl.Margin.Top, "Margin.Top", SnapLinePriority.Always));
}
}
if ((rules & SelectionRules.RightSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Right, loc.X - 1));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Vertical, loc.X + this.primaryControl.Margin.Right, "Margin.Right", SnapLinePriority.Always));
}
}
else if ((rules & SelectionRules.LeftSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Left, loc.X));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Vertical, loc.X - this.primaryControl.Margin.Left, "Margin.Left", SnapLinePriority.Always));
}
}
SnapLine[] array = new SnapLine[list.Count];
list.CopyTo(array);
return(array);
}
private SnapLine[] GenerateSnapLines(SelectionRules rules, Point loc)
{
ArrayList list = new ArrayList(2);
if ((rules & SelectionRules.BottomSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Bottom, loc.Y - 1));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Horizontal, loc.Y + this.primaryControl.Margin.Bottom, "Margin.Bottom", SnapLinePriority.Always));
}
}
else if ((rules & SelectionRules.TopSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Top, loc.Y));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Horizontal, loc.Y - this.primaryControl.Margin.Top, "Margin.Top", SnapLinePriority.Always));
}
}
if ((rules & SelectionRules.RightSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Right, loc.X - 1));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Vertical, loc.X + this.primaryControl.Margin.Right, "Margin.Right", SnapLinePriority.Always));
}
}
else if ((rules & SelectionRules.LeftSizeable) != SelectionRules.None)
{
list.Add(new SnapLine(SnapLineType.Left, loc.X));
if (this.primaryControl != null)
{
list.Add(new SnapLine(SnapLineType.Vertical, loc.X - this.primaryControl.Margin.Left, "Margin.Left", SnapLinePriority.Always));
}
}
SnapLine[] array = new SnapLine[list.Count];
list.CopyTo(array);
return array;
}
/// <summary>
/// Returns true if SnapLine s1 should snap to SnapLine s2.
/// </summary>
public static bool ShouldSnap(SnapLine line1, SnapLine line2)
{
throw new NotImplementedException(SR.NotImplementedByDesign);
}
private bool ValidateMarginOrPaddingLine(SnapLine snapLine, Rectangle dragBounds)
{
Rectangle rectangle = (Rectangle) this.snapLineToBounds[snapLine];
if (snapLine.IsVertical)
{
if (rectangle.Top >= dragBounds.Top)
{
if ((dragBounds.Top + dragBounds.Height) < rectangle.Top)
{
return false;
}
}
else if ((rectangle.Top + rectangle.Height) < dragBounds.Top)
{
return false;
}
}
else if (rectangle.Left < dragBounds.Left)
{
if ((rectangle.Left + rectangle.Width) < dragBounds.Left)
{
return false;
}
}
else if ((dragBounds.Left + dragBounds.Width) < rectangle.Left)
{
return false;
}
return true;
}
private void StoreSnapLine(SnapLine snapLine, Rectangle dragBounds)
{
Rectangle rectangle = (Rectangle) this.snapLineToBounds[snapLine];
Line line = null;
LineType standard = LineType.Standard;
if (IsMarginOrPaddingSnapLine(snapLine))
{
standard = snapLine.Filter.StartsWith("Margin") ? LineType.Margin : LineType.Padding;
}
else if (snapLine.SnapLineType == SnapLineType.Baseline)
{
standard = LineType.Baseline;
}
if (snapLine.IsVertical)
{
line = new Line(snapLine.Offset, Math.Min(dragBounds.Top + ((this.snapPointY != 0x1111) ? this.snapPointY : 0), rectangle.Top), snapLine.Offset, Math.Max(dragBounds.Bottom + ((this.snapPointY != 0x1111) ? this.snapPointY : 0), rectangle.Bottom)) {
LineType = standard
};
CombineSnaplines(line, this.tempVertLines);
}
else
{
line = new Line(Math.Min(dragBounds.Left + ((this.snapPointX != 0x1111) ? this.snapPointX : 0), rectangle.Left), snapLine.Offset, Math.Max(dragBounds.Right + ((this.snapPointX != 0x1111) ? this.snapPointX : 0), rectangle.Right), snapLine.Offset) {
LineType = standard
};
CombineSnaplines(line, this.tempHorzLines);
}
if (IsMarginOrPaddingSnapLine(snapLine))
{
string str;
line.OriginalBounds = rectangle;
if ((line.LineType == LineType.Padding) && ((str = snapLine.Filter) != null))
{
if (!(str == "Padding.Right"))
{
if (!(str == "Padding.Left"))
{
if (!(str == "Padding.Top"))
{
if (str == "Padding.Bottom")
{
line.PaddingLineType = PaddingLineType.PaddingBottom;
}
return;
}
line.PaddingLineType = PaddingLineType.PaddingTop;
return;
}
}
else
{
line.PaddingLineType = PaddingLineType.PaddingRight;
return;
}
line.PaddingLineType = PaddingLineType.PaddingLeft;
}
}
}
internal Point OnMouseMove(Control targetControl, SnapLine[] snapLines, ref bool didSnap, bool shouldSnapHorizontally)
{
Rectangle dragBounds = new Rectangle(this.behaviorService.ControlToAdornerWindow(targetControl), targetControl.Size);
didSnap = false;
return this.OnMouseMove(dragBounds, snapLines, ref didSnap, shouldSnapHorizontally);
}
internal Point OnMouseMove(Rectangle dragBounds, SnapLine[] snapLines, ref bool didSnap, bool shouldSnapHorizontally)
{
if ((snapLines == null) || (snapLines.Length == 0))
{
return Point.Empty;
}
this.targetHorizontalSnapLines.Clear();
this.targetVerticalSnapLines.Clear();
foreach (SnapLine line in snapLines)
{
if (line.IsHorizontal)
{
this.targetHorizontalSnapLines.Add(line);
}
else
{
this.targetVerticalSnapLines.Add(line);
}
}
return this.OnMouseMove(dragBounds, false, ref didSnap, shouldSnapHorizontally);
}
internal Point OnMouseMove(Rectangle dragBounds, SnapLine[] snapLines)
{
bool didSnap = false;
return this.OnMouseMove(dragBounds, snapLines, ref didSnap, true);
}
private static bool IsMarginOrPaddingSnapLine(SnapLine snapLine)
{
if (snapLine.Filter == null)
{
return false;
}
if (!snapLine.Filter.StartsWith("Margin"))
{
return snapLine.Filter.StartsWith("Padding");
}
return true;
}
private void StoreSnapLine(SnapLine snapLine, Rectangle dragBounds)
{
Rectangle rectangle = (Rectangle)this.snapLineToBounds[snapLine];
Line line = null;
LineType standard = LineType.Standard;
if (IsMarginOrPaddingSnapLine(snapLine))
{
standard = snapLine.Filter.StartsWith("Margin") ? LineType.Margin : LineType.Padding;
}
else if (snapLine.SnapLineType == SnapLineType.Baseline)
{
standard = LineType.Baseline;
}
if (snapLine.IsVertical)
{
line = new Line(snapLine.Offset, Math.Min(dragBounds.Top + ((this.snapPointY != 0x1111) ? this.snapPointY : 0), rectangle.Top), snapLine.Offset, Math.Max(dragBounds.Bottom + ((this.snapPointY != 0x1111) ? this.snapPointY : 0), rectangle.Bottom))
{
LineType = standard
};
CombineSnaplines(line, this.tempVertLines);
}
else
{
line = new Line(Math.Min(dragBounds.Left + ((this.snapPointX != 0x1111) ? this.snapPointX : 0), rectangle.Left), snapLine.Offset, Math.Max(dragBounds.Right + ((this.snapPointX != 0x1111) ? this.snapPointX : 0), rectangle.Right), snapLine.Offset)
{
LineType = standard
};
CombineSnaplines(line, this.tempHorzLines);
}
if (IsMarginOrPaddingSnapLine(snapLine))
{
string str;
line.OriginalBounds = rectangle;
if ((line.LineType == LineType.Padding) && ((str = snapLine.Filter) != null))
{
if (!(str == "Padding.Right"))
{
if (!(str == "Padding.Left"))
{
if (!(str == "Padding.Top"))
{
if (str == "Padding.Bottom")
{
line.PaddingLineType = PaddingLineType.PaddingBottom;
}
return;
}
line.PaddingLineType = PaddingLineType.PaddingTop;
return;
}
}
else
{
line.PaddingLineType = PaddingLineType.PaddingRight;
return;
}
line.PaddingLineType = PaddingLineType.PaddingLeft;
}
}
}
