/// <summary>
/// Draws the attributes
/// </summary>
private async Task <PaintContext> PaintAttributes(PaintContext paintContext, string attributesString, bool isSelected, IGraphics gfx)
{
paintContext = paintContext.Clone();
if (string.IsNullOrWhiteSpace(attributesString))
{
return(paintContext);
}
var attributeWidth = await this.GetAttributeTextWidth(attributesString, gfx);
// draw a frame around the attributes
StandardNodeTagPaint.DrawNodeBodyBySize(GfxJob.Layers.AttributeBackground,
paintContext.PaintPosX, paintContext.PaintPosY + this.dimensions.AttributeMarginY,
attributeWidth, this.dimensions.AttributeHeight, 2,
isSelected ? this.config.ColorNodeAttributeBackground.InvertedColor : this.config.ColorNodeAttributeBackground,
isSelected ? this.config.ColorNodeTagBorder.InvertedColor : this.config.ColorNodeTagBorder,
gfx);
// Draw attributes
gfx.AddJob(new JobDrawString
{
Batchable = false,
Layer = GfxJob.Layers.Text,
Text = attributesString.ToString(),
Color = isSelected ? this.config.ColorText.InvertedColor : this.config.ColorText,
X = paintContext.PaintPosX,
Y = paintContext.PaintPosY + this.dimensions.AttributeMarginY + this.dimensions.AttributeInnerMarginY + 1,
Font = config.FontNodeAttribute
});
// Set character cursor behind the attributes
paintContext.PaintPosX += attributeWidth + this.dimensions.InnerMarginX;
return(paintContext);
}
protected override async Task <PaintContext> PaintInternal(PaintContext paintContext, string attributesString, bool isSelected, IGraphics gfx)
{
var esteemedWidth = this.nodeNameTextWidth + this.dimensions.InnerMarginX * 3;
if (paintContext.PaintPosX + esteemedWidth > paintContext.LimitRight)
{
paintContext.HeightActualRow = Math.Max(paintContext.HeightActualRow, config.MinLineHeight);
paintContext.PaintPosX = paintContext.LimitLeft + this.config.ChildIndentX;
paintContext.PaintPosY += paintContext.HeightActualRow;
paintContext.HeightActualRow = config.MinLineHeight;
}
var startX = paintContext.PaintPosX;
var startY = paintContext.PaintPosY;
paintContext.PaintPosX += this.dimensions.InnerMarginX; // margin to left border
// draw node name
gfx.AddJob(new JobDrawString
{
Batchable = false,
Layer = GfxJob.Layers.Text,
Text = this.node.Name,
Color = isSelected ? this.config.ColorText.InvertedColor : this.config.ColorText,
X = paintContext.PaintPosX,
Y = paintContext.PaintPosY + this.config.InnerMarginY,
Font = this.config.FontNodeName
});
paintContext.PaintPosX += nodeNameTextWidth + this.dimensions.InnerMarginX;
// draw the attributes
paintContext = await this.PaintAttributes(paintContext, attributesString, isSelected, gfx);
// standard distance + one pixel to the right, otherwise we draw on the frame line
paintContext.PaintPosX += 1;
var borderWidth = paintContext.PaintPosX - startX;
StandardNodeTagPaint.DrawNodeBodyBySize(
GfxJob.Layers.TagBackground,
startX, paintContext.PaintPosY,
borderWidth, this.config.TagHeight,
this.dimensions.CornerRadius,
isSelected ? this.dimensions.BackgroundColor.InvertedColor : this.dimensions.BackgroundColor,
isSelected ? this.config.ColorNodeTagBorder.InvertedColor : this.config.ColorNodeTagBorder,
gfx);
// if necessary draw the continuing arrow at the end of the frame
if (this.isClosingTagVisible)
{
var point1 = new Point(paintContext.PaintPosX, paintContext.PaintPosY + this.config.InnerMarginY);
var point2 = new Point(paintContext.PaintPosX + this.dimensions.InnerMarginX, paintContext.PaintPosY + this.config.TagHeight / 2);
var point3 = new Point(paintContext.PaintPosX, paintContext.PaintPosY + this.config.TagHeight - this.config.InnerMarginY);
gfx.AddJob(new JobDrawPolygon
{
Batchable = true,
Layer = GfxJob.Layers.TagBorder,
FillColor = isSelected ? this.config.ColorNodeTagBorder.InvertedColor : this.config.ColorNodeTagBorder,
Points = new[] { point1, point2, point3 }
});
// Remember the right arrow area
this.AreaArrow = new Rectangle(paintContext.PaintPosX, paintContext.PaintPosY, this.dimensions.InnerMarginX, this.config.TagHeight);
paintContext.PaintPosX += this.dimensions.InnerMarginX;
}
else
{
this.AreaArrow = null;
}
paintContext.HeightActualRow = System.Math.Max(paintContext.HeightActualRow, this.config.MinLineHeight); // See how high the current line is
// Remember where the mouse areas are
this.AreaTag = new Rectangle(startX - 2, startY, paintContext.PaintPosX + 2 - (startX), this.config.TagHeight);
paintContext.FoundMaxX = System.Math.Max(paintContext.FoundMaxX, paintContext.PaintPosX);
this.lastPaintContextResult = paintContext.Clone();
return(paintContext.Clone());
}
protected override async Task <PaintContext> PaintInternal(PaintContext paintContext, string attributesString, bool isSelected, IGraphics gfx)
{
var startX = paintContext.PaintPosX;
var esteemedWidth = this.nodeNameTextWidth + this.dimensions.InnerMarginX * 3;
if (paintContext.PaintPosX + esteemedWidth > paintContext.LimitRight)
{
paintContext.HeightActualRow = Math.Max(paintContext.HeightActualRow, config.MinLineHeight);
paintContext.PaintPosX = paintContext.LimitLeft + this.config.ChildIndentX;
paintContext.PaintPosY += paintContext.HeightActualRow;
paintContext.HeightActualRow = config.MinLineHeight;
}
// draw an arrow to the left in front of the node frame
// arrow to left
Point point1 = new Point(paintContext.PaintPosX + this.dimensions.InnerMarginX, paintContext.PaintPosY + this.config.InnerMarginY);
Point point2 = new Point(paintContext.PaintPosX + this.dimensions.InnerMarginX, paintContext.PaintPosY + this.config.TagHeight - this.config.InnerMarginY);
Point point3 = new Point(paintContext.PaintPosX, paintContext.PaintPosY + this.config.TagHeight / 2);
gfx.AddJob(new JobDrawPolygon
{
Batchable = true,
Layer = GfxJob.Layers.TagBorder,
FillColor = isSelected ? this.config.ColorNodeTagBorder.InvertedColor : this.config.ColorNodeTagBorder,
Points = new[] { point1, point2, point3 }
});
// Remember the right arrow area
this.AreaArrow = new Rectangle(paintContext.PaintPosX, paintContext.PaintPosY, this.dimensions.InnerMarginX, this.config.TagHeight);
paintContext.PaintPosX += this.dimensions.InnerMarginX + 1; // Place drawing cursor behind the arrow
// ## Draw frame for closing node ###
StandardNodeTagPaint.DrawNodeBodyBySize(GfxJob.Layers.TagBackground,
paintContext.PaintPosX, paintContext.PaintPosY,
this.nodeNameTextWidth + this.dimensions.InnerMarginX * 2, this.config.TagHeight, this.dimensions.CornerRadius,
isSelected ? this.dimensions.BackgroundColor.InvertedColor : this.dimensions.BackgroundColor,
isSelected ? this.config.ColorNodeTagBorder.InvertedColor : this.config.ColorNodeTagBorder,
gfx);
paintContext.PaintPosX += this.dimensions.InnerMarginX; // Distance between frame and font
// ## Draw name for closing node ###
gfx.AddJob(new JobDrawString
{
Batchable = false,
Layer = GfxJob.Layers.Text,
Text = this.node.Name,
Color = isSelected ? this.config.ColorText.InvertedColor : this.config.ColorText,
X = paintContext.PaintPosX,
Y = paintContext.PaintPosY + this.config.InnerMarginY,
Font = this.config.FontNodeName
});
paintContext.PaintPosX += this.nodeNameTextWidth + this.dimensions.InnerMarginX; // Distance between font and frame
// One pixel to the right, because otherwise we draw on the frame line and the cursor flashes on the frame
paintContext.PaintPosX++;
// Remember where the mouse areas are
this.AreaTag = new Rectangle(startX, paintContext.PaintPosY, paintContext.PaintPosX - startX, this.config.TagHeight);
paintContext.FoundMaxX = System.Math.Max(paintContext.FoundMaxX, paintContext.PaintPosX);
this.lastPaintContextResult = paintContext.Clone();
await Task.CompletedTask;
return(paintContext);
}
