protected override SizeF ArrangeOverride(SizeF finalSize)
{
SizeF fieldSize = finalSize;
RectangleF layoutField = new RectangleF(PointF.Empty, finalSize);
RectangleF imageBounds = RectangleF.Empty;
RectangleF textBounds = RectangleF.Empty;
SizeF textSize = SizeF.Empty;
SizeF imageSize = SizeF.Empty;
ContentAlignment imageAlign = this.ImageAlignment;
ContentAlignment textAlign = this.TextAlignment;
TextImageRelation textImageRelation = this.TextImageRelation;
if (this.RightToLeft)
{
imageAlign = TelerikAlignHelper.RtlTranslateContent(ImageAlignment);
textAlign = TelerikAlignHelper.RtlTranslateContent(TextAlignment);
textImageRelation = TelerikAlignHelper.RtlTranslateRelation(TextImageRelation);
}
if ((this.textElement != null) && IsPrimitiveNullOrEmpty(this.imageElement))
{
this.textElement.Arrange(layoutField);
if (this.imageElement != null)
{
this.imageElement.Arrange(layoutField);
}
return(finalSize);
}
if ((this.imageElement != null) && IsPrimitiveNullOrEmpty(this.textElement))
{
this.imageElement.Arrange(layoutField);
if (this.textElement != null)
{
this.textElement.Arrange(layoutField);
}
return(finalSize);
}
textSize = this.GetInvariantLength(textElement.DesiredSize, textElement.Margin);
imageSize = this.GetInvariantLength(imageElement.DesiredSize, imageElement.Margin);
// Subtract the image size from the whole field size
SizeF textSizeLeft = LayoutUtils.SubAlignedRegion(fieldSize, imageSize, textImageRelation);
// Create a new size based on the text size and the image size
SizeF newSize = LayoutUtils.AddAlignedRegion(textSize, imageSize, textImageRelation);
// The new field which is a union of the new sizes
RectangleF maxFieldRectangle = RectangleF.Empty;
maxFieldRectangle.Size = LayoutUtils.UnionSizes(fieldSize, newSize);
// Image doesn't overlay text
bool imageAlignNoOverlay = (TelerikAlignHelper.ImageAlignToRelation(imageAlign) & textImageRelation) !=
TextImageRelation.Overlay;
// Text doesn't overlay image
bool textAlignNoOverlay = (TelerikAlignHelper.TextAlignToRelation(textAlign) & textImageRelation) !=
TextImageRelation.Overlay;
if (imageAlignNoOverlay)
{
LayoutUtils.SplitRegion(maxFieldRectangle, imageSize, (AnchorStyles)textImageRelation, out imageBounds, out textBounds);
}
else if (textAlignNoOverlay)
{
LayoutUtils.SplitRegion(maxFieldRectangle, textSize, (AnchorStyles)LayoutUtils.GetOppositeTextImageRelation(textImageRelation), out textBounds, out imageBounds);
}
else
{
// Both image overlays text and text overlays image
if (textImageRelation == TextImageRelation.Overlay)
{
LayoutUtils.SplitRegion(maxFieldRectangle, imageSize, (AnchorStyles)textImageRelation, out imageBounds, out textBounds);
}
else
{
RectangleF alignedField = LayoutUtils.Align(newSize, maxFieldRectangle, ContentAlignment.MiddleCenter);
LayoutUtils.SplitRegion(alignedField, imageSize, (AnchorStyles)textImageRelation, out imageBounds, out textBounds);
LayoutUtils.ExpandRegionsToFillBounds(maxFieldRectangle, (AnchorStyles)textImageRelation, ref imageBounds, ref textBounds);
}
}
textBounds.Size = SizeF.Subtract(textBounds.Size, this.textElement.Margin.Size);
imageBounds.Size = SizeF.Subtract(imageBounds.Size, this.imageElement.Margin.Size);
this.textElement.Arrange(textBounds);
this.imageElement.Arrange(imageBounds);
return(finalSize);
}
public static bool IsHorizontalAlignment(ContentAlignment align)
{
return(!LayoutUtils.IsVerticalAlignment(align));
}
/// <summary>
///
/// </summary>
/// <param name="fieldSize"></param>
/// <param name="layoutField"></param>
/// <param name="newLayouts"></param>
public void LayoutTextAndImage(Size fieldSize, Rectangle layoutField, bool newLayouts)
{
Rectangle imageBounds = Rectangle.Empty;
Rectangle textBounds = Rectangle.Empty;
Size textSize = Size.Empty;
Size imageSize = Size.Empty;
ContentAlignment imageAlign = ImageAlignment;
ContentAlignment textAlign = TextAlignment;
TextImageRelation textImageRelation = TextImageRelation;
//DK_2006_07_28
if (!newLayouts)
{
List <PreferredSizeData> prefSizelist = new List <PreferredSizeData>();
FillList(prefSizelist, fieldSize);
}
if (this.RightToLeft)
{
imageAlign = TelerikAlignHelper.RtlTranslateContent(ImageAlignment);
textAlign = TelerikAlignHelper.RtlTranslateContent(TextAlignment);
textImageRelation = TelerikAlignHelper.RtlTranslateRelation(TextImageRelation);
}
if (textElement != null)
{
textSize = newLayouts ? Size.Ceiling(textElement.DesiredSize) : Size.Ceiling(textElement.GetPreferredSize(fieldSize));
textSize = this.GetInvariantLength(textSize, textElement.Margin);
}
if (imageElement != null)
{
imageSize = newLayouts ? Size.Ceiling(imageElement.DesiredSize) : Size.Ceiling(imageElement.GetPreferredSize(fieldSize));
imageSize = this.GetInvariantLength(imageSize, imageElement.Margin);
}
if ((textElement != null) && IsPrimitiveNullOrEmpty(this.imageElement))
{
Rectangle bounds = LayoutUtils.Align(textSize, new Rectangle(Point.Empty, fieldSize), textAlign);
bounds.Size = Size.Subtract(textSize, textElement.Margin.Size);
if (newLayouts)
{
textElement.Arrange(bounds);
}
else
{
textElement.Bounds = bounds;
}
return;
}
if ((imageElement != null) && IsPrimitiveNullOrEmpty(this.textElement))
{
Rectangle bounds = LayoutUtils.Align(imageSize, new Rectangle(Point.Empty, fieldSize), imageAlign);
bounds.Size = Size.Subtract(imageSize, imageElement.Margin.Size);
if (newLayouts)
{
imageElement.Arrange(bounds);
}
else
{
imageElement.Bounds = bounds;
}
return;
}
// Subtract the image size from the whole field size
Size textSizeLeft = LayoutUtils.SubAlignedRegion(fieldSize, imageSize, textImageRelation);
textSize = newLayouts ? Size.Ceiling(this.textElement.DesiredSize) : Size.Ceiling(this.textElement.GetPreferredSize(textSizeLeft));
textSize = this.GetInvariantLength(textSize, textElement.Margin);
// Create a new size based on the text size and the image size
Size newSize = LayoutUtils.AddAlignedRegion(textSize, imageSize, textImageRelation);
// The new field which is a union of the new sizes
Rectangle maxFieldRectangle = Rectangle.Empty;
maxFieldRectangle.Size = LayoutUtils.UnionSizes(fieldSize, newSize);
// Image doesn't overlay text
bool imageAlignNoOverlay = (TelerikAlignHelper.ImageAlignToRelation(imageAlign) & textImageRelation) !=
TextImageRelation.Overlay;
// Text doesn't overlay image
bool textAlignNoOverlay = (TelerikAlignHelper.TextAlignToRelation(textAlign) & textImageRelation) !=
TextImageRelation.Overlay;
if (imageAlignNoOverlay)
{
LayoutUtils.SplitRegion(maxFieldRectangle, imageSize, (AnchorStyles)textImageRelation, out imageBounds, out textBounds);
}
else if (textAlignNoOverlay)
{
LayoutUtils.SplitRegion(maxFieldRectangle, textSize, (AnchorStyles)LayoutUtils.GetOppositeTextImageRelation(textImageRelation), out textBounds, out imageBounds);
}
else
{
// Both image overlays text and text overlays image
if (textImageRelation == TextImageRelation.Overlay)
{
LayoutUtils.SplitRegion(maxFieldRectangle, imageSize, (AnchorStyles)textImageRelation, out imageBounds, out textBounds);
}
else
{
Rectangle alignedField = LayoutUtils.Align(newSize, maxFieldRectangle, ContentAlignment.MiddleCenter);
LayoutUtils.SplitRegion(alignedField, imageSize, (AnchorStyles)textImageRelation, out imageBounds, out textBounds);
LayoutUtils.ExpandRegionsToFillBounds(maxFieldRectangle, (AnchorStyles)textImageRelation, ref imageBounds, ref textBounds);
}
}
//set image and text bounds according the size of the field
if ((textImageRelation == TextImageRelation.TextBeforeImage) || (textImageRelation == TextImageRelation.ImageBeforeText))
{
int num1 = Math.Min(textBounds.Bottom, layoutField.Bottom);
textBounds.Y = Math.Max(Math.Min(textBounds.Y, layoutField.Y + ((layoutField.Height - textBounds.Height) / 2)), layoutField.Y);
textBounds.Height = num1 - textBounds.Y;
}
if ((textImageRelation == TextImageRelation.TextAboveImage) || (textImageRelation == TextImageRelation.ImageAboveText))
{
int num2 = Math.Min(textBounds.Right, layoutField.Right);
textBounds.X = Math.Max(Math.Min(textBounds.X, layoutField.X + ((layoutField.Width - textBounds.Width) / 2)), layoutField.X);
textBounds.Width = num2 - textBounds.X;
}
if ((textImageRelation == TextImageRelation.ImageBeforeText) && (imageBounds.Size.Width != 0))
{
imageBounds.Width = Math.Max(0, Math.Min(fieldSize.Width - textBounds.Width, imageBounds.Width));
textBounds.X = imageBounds.X + imageBounds.Width;
}
if ((textImageRelation == TextImageRelation.ImageAboveText) && (imageBounds.Size.Height != 0))
{
imageBounds.Height = Math.Max(0, Math.Min(fieldSize.Height - textBounds.Height, imageBounds.Height));
textBounds.Y = imageBounds.Y + imageBounds.Height;
}
textBounds = Rectangle.Intersect(textBounds, layoutField);
//align image and if its size is greater than the field's size it is become offseted as much as the difference
Rectangle newImageBounds = LayoutUtils.Align(imageSize, imageBounds, imageAlign);
if (newImageBounds.Width > imageBounds.Width)
{
newImageBounds.X = imageBounds.Width - imageSize.Width;
}
if (newImageBounds.Height > imageBounds.Height)
{
newImageBounds.Y = imageBounds.Height - imageSize.Height;
}
textBounds = LayoutUtils.Align(textSize, textBounds, textAlign);
textBounds.Size = Size.Subtract(textBounds.Size, this.textElement.Margin.Size);
imageBounds.Size = Size.Subtract(newImageBounds.Size, this.imageElement.Margin.Size);
if (newLayouts)
{
this.textElement.Arrange(textBounds);
this.imageElement.Arrange(newImageBounds);
}
else
{
this.textElement.Bounds = textBounds;
this.imageElement.Bounds = newImageBounds;
}
}
public static TextImageRelation GetOppositeTextImageRelation(
TextImageRelation relation)
{
return((TextImageRelation)LayoutUtils.GetOppositeAnchor((AnchorStyles)relation));
}
public static Rectangle FlipRectangle(Rectangle rect)
{
rect.Location = LayoutUtils.FlipPoint(rect.Location);
rect.Size = LayoutUtils.FlipSize(rect.Size);
return(rect);
}
public static Rectangle AlignAndStretch(Size fitThis, Rectangle withinThis, AnchorStyles anchorStyles)
{
return(LayoutUtils.Align(LayoutUtils.Stretch(fitThis, withinThis.Size, anchorStyles), withinThis, anchorStyles));
}
public static Rectangle Align(Size alignThis, Rectangle withinThis, AnchorStyles anchorStyles)
{
return(LayoutUtils.VAlign(alignThis, LayoutUtils.HAlign(alignThis, withinThis, anchorStyles), anchorStyles));
}
public static RectangleF Align(SizeF alignThis, RectangleF withinThis, ContentAlignment align)
{
return(LayoutUtils.VAlign(alignThis, LayoutUtils.HAlign(alignThis, withinThis, align), align));
}
