/// <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);
}
protected override async Task <PaintContext> PaintInternal(PaintContext paintContext, bool cursorBlinkOn, XmlCursor cursor, IGraphics gfx, PaintModes paintMode, int depth)
{
paintContext.PaintPosX += 3;
var actualText = ToolboxXml.TextFromNodeCleaned(XmlNode);
var selection = this.CalculateStartAndEndOfSelection(actualText, cursor);
var actualPaintData = LastPaintingDataText.CalculateActualPaintData(paintContext, cursorBlinkOn, this.XmlNode, actualText, this.Config.FontTextNode.Height, cursor, selection.Start, selection.Length);
var alreadyUnpainted = false;
switch (paintMode)
{
case PaintModes.ForcePaintNoUnPaintNeeded:
alreadyUnpainted = true;
this.lastPaintData = null;
break;
case PaintModes.ForcePaintAndUnpaintBefore:
alreadyUnpainted = true;
this.lastPaintData = null;
this.UnPaint(gfx);
break;
case PaintModes.OnlyPaintWhenChanged:
if (!actualPaintData.Equals(lastPaintData))
{
this.lastPaintData = null;
}
break;
}
if (this.lastPaintData != null && this.lastPaintContextResult != null)
{
return(lastPaintContextResult.Clone());
}
this.lastPaintData = actualPaintData;
this.cursorPaintPos = null;
if (lastFontHeight != this.Config.FontTextNode.Height)
{
lastFontHeight = this.Config.FontTextNode.Height;
lastCalculatedFontWidth = await this.xmlEditor.NativePlatform.Gfx.MeasureDisplayStringWidthAsync("W", this.Config.FontTextNode);
}
paintContext.HeightActualRow = Math.Max(paintContext.HeightActualRow, this.Config.MinLineHeight);
int marginY = (paintContext.HeightActualRow - this.Config.FontTextNode.Height) / 2;
const int charMarginRight = 2;
var textPartsRaw = TextSplitHelper.SplitText(
text: actualText,
invertStart: selection.Start,
invertLength: selection.Length,
maxLength: (int)((paintContext.LimitRight - paintContext.LimitLeft) / lastCalculatedFontWidth) - charMarginRight,
maxLengthFirstLine: (int)((paintContext.LimitRight - paintContext.PaintPosX) / lastCalculatedFontWidth) - charMarginRight)
.ToArray();
var newTextParts = this.GetTextLinesFromTextParts(textPartsRaw, paintContext, cursorBlinkOn, cursor, lastCalculatedFontWidth).ToArray();
// Now draw the content, if necessary wrap to several text parts and lines
for (int i = 0; i < newTextParts.Length; i++)
{
var newPart = newTextParts[i];
var oldPart = (this.textParts != null && i < this.textParts.Length) ? this.textParts[i] : null;
if (alreadyUnpainted == false && newPart.Equals(oldPart))
{
// no need to paint the text part again
}
else
{
// draw the inverted background
if (!alreadyUnpainted && oldPart != null)
{
gfx.UnPaintRectangle(oldPart.Rectangle);
}
if (newPart.Inverted || this.colorBackground != this.Config.ColorBackground)
{
gfx.AddJob(new JobDrawRectangle
{
Batchable = true,
Layer = GfxJob.Layers.TagBackground,
Rectangle = newPart.Rectangle,
FillColor = newPart.Inverted ? this.colorBackground.InvertedColor : this.colorBackground,
});
}
// draw the text
gfx.AddJob(new JobDrawString
{
Batchable = false,
Layer = GfxJob.Layers.Text,
Text = newPart.Text,
Color = newPart.Inverted ? this.colorText.InvertedColor : this.colorText,
X = newPart.Rectangle.X,
Y = newPart.Rectangle.Y + marginY,
Font = Config.FontTextNode
});;
}
paintContext.PaintPosY = newPart.Rectangle.Y;
paintContext.PaintPosX = newPart.Rectangle.X + newPart.Rectangle.Width;
paintContext.FoundMaxX = Math.Max(paintContext.FoundMaxX, paintContext.PaintPosX);
}
if (this.textParts != null) // unpaint old text parts out of new parts range
{
for (int i = newTextParts.Length; i < this.textParts.Length; i++)
{
gfx.UnPaintRectangle(this.textParts[i].Rectangle);
}
}
this.textParts = newTextParts;
paintContext.PaintPosX += 2;
this.lastPaintContextResult = paintContext.Clone();
return(paintContext.Clone());
}
public async Task <PaintContext> Paint(PaintContext paintContext, bool cursorIsOnThisNode, bool cursorBlinkOn, bool alreadyUnpainted, bool isSelected, IGraphics gfx)
{
paintContext.PaintPosX += 1;
var startX = paintContext.PaintPosX;
var startY = paintContext.PaintPosY;
var attributesString = this.GetAttributesString();
if (alreadyUnpainted)
{
this.lastPaintContextResult = null;
}
if (this.lastTextWidthFontHeight != this.config.FontNodeName.Height)
{
this.nodeNameTextWidth = (int)(await gfx.MeasureDisplayStringWidthAsync(this.node.Name, this.config.FontNodeName));
this.lastTextWidthFontHeight = this.config.FontNodeName.Height;
lastPaintContextResult = null;
}
var cursorChanged = false;
if (cursorIsOnThisNode)
{
cursorChanged = cursorBlinkOn != this.lastCursorBlinkOn;
}
else
{
cursorChanged = cursorIsOnThisNode != this.lastCursorWasOnThisNode;
}
if (lastPaintContextResult != null &&
this.lastPaintX == startX &&
this.lastPaintY == startY &&
this.lastPaintWasSelected == isSelected &&
this.lastAttributeString == attributesString &&
cursorChanged == false)
{
return(lastPaintContextResult.Clone());
}
if (!alreadyUnpainted)
{
this.Unpaint(gfx);
}
this.lastPaintX = startX;
this.lastPaintY = startY;
this.lastPaintWasSelected = isSelected;
this.lastAttributeString = attributesString;
this.lastCursorBlinkOn = cursorBlinkOn;
this.lastCursorWasOnThisNode = cursorIsOnThisNode;
paintContext = await this.PaintInternal(paintContext, attributesString, isSelected, gfx);
paintContext.HeightActualRow = Math.Max(paintContext.HeightActualRow, this.config.MinLineHeight); // See how high the current line is
paintContext.FoundMaxX = Math.Max(paintContext.FoundMaxX, paintContext.PaintPosX);
this.lastPaintContextResult = paintContext.Clone();
return(paintContext.Clone());
}