/// <summary>
/// Gets the horizontal relative alignment of the image.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public virtual PaletteRelativeAlign GetContentImageH(PaletteState state)
{
if (Apply)
{
PaletteRelativeAlign ret = _primaryContent.GetContentImageH(Override ? OverrideState : state);
if (ret == PaletteRelativeAlign.Inherit)
{
ret = _backupContent.GetContentImageH(state);
}
return(ret);
}
else
{
return(_backupContent.GetContentImageH(state));
}
}
/// <summary>
/// Gets the horizontal relative alignment of the image.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public override PaletteRelativeAlign GetContentImageH(PaletteState state)
{
if (_apply)
{
PaletteRelativeAlign ret = _primary.GetContentImageH(_override ? _state : state);
if (ret == PaletteRelativeAlign.Inherit)
{
ret = _backup.GetContentImageH(state);
}
return(ret);
}
else
{
return(_backup.GetContentImageH(state));
}
}
/// <summary>
/// Gets the horizontal relative alignment of the image.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public override PaletteRelativeAlign GetContentImageH(PaletteState state)
{
return(_inherit.GetContentImageH(state));
}
/// <summary>
/// Gets the horizontal relative alignment of the image.
/// </summary>
/// <param name="style">Content style.</param>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public override PaletteRelativeAlign GetContentImageH(PaletteContentStyle style, PaletteState state)
{
IPaletteContent inherit = GetInherit(state);
return(inherit?.GetContentImageH(state) ?? Target.GetContentImageH(style, state));
}
/// <summary> /// Gets the horizontal relative alignment of the image. /// </summary> /// <param name="state">Palette value should be applicable to this state.</param> /// <returns>RelativeAlignment value.</returns> public override PaletteRelativeAlign GetContentImageH(PaletteState state) => _inherit.GetContentImageH(state);
private static void PositionAlignContent(StandardContentMemento memento,
IPaletteContent paletteContent,
PaletteState state,
RightToLeft rtl,
PaletteRelativeAlign alignH,
PaletteRelativeAlign alignV,
int cellX,
int cellY,
int cellWidth,
int cellHeight,
int spacingGap)
{
// Create client rectangle covering cell size
Rectangle cellRect = new Rectangle(cellX, cellY, cellWidth, cellHeight);
PaletteRelativeAlign drawHImage = paletteContent.GetContentImageH(state);
PaletteRelativeAlign drawVImage = paletteContent.GetContentImageV(state);
PaletteRelativeAlign drawHShort = paletteContent.GetContentShortTextH(state);
PaletteRelativeAlign drawVShort = paletteContent.GetContentShortTextV(state);
PaletteRelativeAlign drawHLong = paletteContent.GetContentLongTextH(state);
PaletteRelativeAlign drawVLong = paletteContent.GetContentLongTextV(state);
PaletteRelativeAlign posHImage = drawHImage;
PaletteRelativeAlign posHShort = drawHShort;
PaletteRelativeAlign posHLong = drawHLong;
// If positioning in the center, then need extra processing
if (alignH == PaletteRelativeAlign.Center)
{
// Find number of content and width of those in this cell
int totalWidth = 0;
int totalItems = 0;
if (memento.DrawImage && (drawHImage == alignH) && (drawVImage == alignV))
{
totalWidth += memento.ImageRect.Width;
totalItems++;
}
if (memento.DrawShortText && (drawHShort == alignH) && (drawVShort == alignV))
{
totalWidth += memento.ShortTextRect.Width;
totalItems++;
}
if (memento.DrawLongText && (drawHLong == alignH) && (drawVLong == alignV))
{
totalWidth += memento.LongTextRect.Width;
totalItems++;
}
// If more than one item is to be positioned
if (totalItems > 1)
{
// Add on required number of spacing gaps
totalWidth += (totalItems - 1) * spacingGap;
// Then center the space for the content
int halfWidth = (cellRect.Width - totalWidth) / 2;
cellRect.Width -= (halfWidth * 2);
cellRect.X += halfWidth;
// Ensure all content are placed near, so they fit exactly
posHImage = posHShort = posHLong = PaletteRelativeAlign.Near;
}
}
// Do we need to position the image?
if (memento.DrawImage && (drawHImage == alignH) && (drawVImage == alignV))
memento.ImageRect.Location = PositionCellContent(rtl, posHImage, drawVImage, memento.ImageRect.Size, spacingGap, ref cellRect);
// Do we need to position the short text?
if (memento.DrawShortText && (drawHShort == alignH) && (drawVShort == alignV))
memento.ShortTextRect.Location = PositionCellContent(rtl, posHShort, drawVShort, memento.ShortTextRect.Size, spacingGap, ref cellRect);
// Do we need to position the long text?
if (memento.DrawLongText && (drawHLong == alignH) && (drawVLong == alignV))
memento.LongTextRect.Location = PositionCellContent(rtl, posHLong, drawVLong, memento.LongTextRect.Size, spacingGap, ref cellRect);
}
private static void AllocateImageSpace(StandardContentMemento memento,
IPaletteContent paletteContent,
IContentValues contentValues,
PaletteState state,
Rectangle displayRect,
RightToLeft rtl,
ref Size[,] allocation)
{
// By default, we cannot draw the image
memento.DrawImage = false;
// Get the image details
memento.Image = contentValues.GetImage(state);
memento.ImageTransparentColor = contentValues.GetImageTransparentColor(state);
// Is there any image to be drawn?
if (memento.Image != null)
{
try
{
// Cache the size of the image
memento.ImageRect.Size = memento.Image.Size;
// Check for enough space to show all of the image
if ((displayRect.Width >= memento.ImageRect.Width) &&
(displayRect.Height >= memento.ImageRect.Height))
{
// Convert from alignment enums to integers
int alignHIndex = RightToLeftIndex(rtl, paletteContent.GetContentImageH(state));
int alignVIndex = (int)paletteContent.GetContentImageV(state);
// Bump the allocated space in the destination grid cell
allocation[alignHIndex, alignVIndex].Width += memento.ImageRect.Width;
allocation[alignHIndex, alignVIndex].Height += memento.ImageRect.Height;
// Yes, we do want to draw the image/icon
memento.DrawImage = true;
}
}
catch
{
// Image is not valid, so do not use it!
memento.Image = null;
memento.DrawImage = false;
}
}
}
/// <summary>
/// Gets the horizontal relative alignment of the image.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public PaletteRelativeAlign GetContentImageH(PaletteState state)
{
return(_content.GetContentImageH(state));
}
