/// <summary>
/// Gets the vertical relative alignment of the short text.
/// </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 GetContentShortTextV(PaletteContentStyle style, PaletteState state)
{
IPaletteContent inherit = GetInherit(state);
return(inherit?.GetContentShortTextV(state) ?? Target.GetContentShortTextV(style, 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);
}
/// <summary>
/// Gets the vertical relative alignment of the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public override PaletteRelativeAlign GetContentShortTextV(PaletteState state)
{
return(_inherit.GetContentShortTextV(state));
}
private static void AllocateShortTextSpace(ViewLayoutContext context,
Graphics g,
StandardContentMemento memento,
IPaletteContent paletteContent,
IContentValues contentValues,
PaletteState state,
Rectangle displayRect,
RightToLeft rtl,
int spacingGap,
ref Size[,] allocation,
bool composition,
bool glowing)
{
// By default, we cannot draw the text
memento.DrawShortText = false;
// Get the defined text for display
string shortText = contentValues.GetShortText();
// Is there any text to be drawn?
if ((shortText != null) && (shortText.Length > 0))
{
// If the text is not allowed to span multiple lines
if (paletteContent.GetContentShortTextMultiLine(state) == InheritBool.False)
{
// Replace any carriage returns and newlines with just spaces
shortText = shortText.Replace("\r\n", " ");
shortText = shortText.Replace("\n", " ");
shortText = shortText.Replace("\r", " ");
}
// Convert from alignment enums to integers
int alignHIndex = RightToLeftIndex(rtl, paletteContent.GetContentShortTextH(state));
int alignVIndex = (int)paletteContent.GetContentShortTextV(state);
// Cache the rendering hint used
memento.ShortTextHint = CommonHelper.PaletteTextHintToRenderingHint(paletteContent.GetContentShortTextHint(state));
memento.ShortTextTrimming = paletteContent.GetContentShortTextTrim(state);
bool fontChanged = false;
Font textFont = paletteContent.GetContentShortTextFont(state);
// Get the appropriate font to use in the caption area
if (paletteContent.GetContentStyle() == PaletteContentStyle.HeaderForm)
{
Font captionFont = ContentFontForButtonForm(context, textFont);
fontChanged = (captionFont != textFont);
textFont = captionFont;
}
// Get a pixel accurate measure of text drawing space needed
memento.ShortTextMemento = AccurateText.MeasureString(g,
rtl,
shortText,
textFont,
memento.ShortTextTrimming,
paletteContent.GetContentShortTextMultiLineH(state),
paletteContent.GetContentShortTextPrefix(state),
memento.ShortTextHint,
composition,
glowing,
fontChanged);
// Space required for short text starts with the text width itself
Size requiredSpace = memento.ShortTextMemento.Size;
// Find the space available given our required alignment
if (AllocateAlignmentSpace(alignHIndex, alignVIndex,
allocation, displayRect,
spacingGap, memento.ShortTextTrimming,
ref requiredSpace))
{
// Allocate the actual space used up
// Cache the actual draw size of the text
memento.ShortTextRect.Size = requiredSpace;
// Mark the memento to draw the short text
memento.DrawShortText = true;
}
}
}
/// <summary>
/// Gets the vertical relative alignment of the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>RelativeAlignment value.</returns>
public PaletteRelativeAlign GetContentShortTextV(PaletteState state)
{
return(_content.GetContentShortTextV(state));
}