private void Construct(IDiagramPresenter owner, ICaptionedShape shape, int captionIndex, string currentText,
string newText)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (shape == null)
{
throw new ArgumentNullException("shape");
}
if (captionIndex < 0 || captionIndex >= shape.CaptionCount)
{
throw new ArgumentOutOfRangeException("captionIndex");
}
// Set control styles
SetStyle(ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor, true);
UpdateStyles();
// Set caption / style specific properties
this.owner = owner;
this.shape = shape;
this.captionIndex = captionIndex;
// Set general properties
this.BackColor = Color.Transparent; // Does not matter - see CreateParams()
this.AutoScrollOffset = Point.Empty;
this.ScrollBars = RichTextBoxScrollBars.None;
this.BorderStyle = BorderStyle.None;
// Set Styles here because the ParagraphStyle is needed for resizing
characterStyle = shape.GetCaptionCharacterStyle(captionIndex);
paragraphStyle = shape.GetCaptionParagraphStyle(captionIndex);
// Set base' members
SuspendLayout();
try {
this.WordWrap = paragraphStyle.WordWrap;
this.Font = ToolCache.GetFont(characterStyle);
this.ZoomFactor = owner.ZoomLevel / 100f;
// Get line height
Size textSize = TextRenderer.MeasureText(((IDisplayService)owner).InfoGraphics, "Iq", Font);
owner.DiagramToControl(textSize, out textSize);
lineHeight = textSize.Height;
DoUpdateBounds();
SelectAll();
SelectionAlignment = ConvertToHorizontalAlignment(paragraphStyle.Alignment);
DeselectAll();
}
finally {
ResumeLayout();
}
OnPaddingChanged(EventArgs.Empty);
}
/// <summary>
/// Initializes a new instance of <see cref="T:Dataweb.NShape.WinFormsUI.TextUITypeEditorDialog" />.
/// </summary>
public TextEditorDialog(string text, ICharacterStyle characterStyle)
: this(text) {
if (characterStyle == null)
{
throw new ArgumentNullException("characterStyle");
}
Font font = ToolCache.GetFont(characterStyle);
textBox.Font = (Font)font.Clone();
font = null;
}
/// <summary>
/// Initializes a new instance of <see cref="T:Dataweb.NShape.WinFormsUI.TextUITypeEditorDialog" />.
/// </summary>
public TextEditorDialog(IEnumerable <string> lines, CharacterStyle characterStyle)
: this(lines) {
if (characterStyle == null)
{
throw new ArgumentNullException("characterStyle");
}
Font font = ToolCache.GetFont(characterStyle);
textBox.Font = (Font)font.Clone();
font = null;
}
/// <override></override>
protected override void OnMeasureItem(MeasureItemEventArgs e)
{
if (Items.Count > 0)
{
UpdateMaxItemWidth(e.Graphics, e.Index);
e.ItemWidth = Width;
if (Items[e.Index] is IStyle)
{
switch (styleCategory)
{
case StyleCategory.CapStyle:
e.ItemHeight = ((ICapStyle)Items[e.Index]).CapSize;
break;
case StyleCategory.ColorStyle:
case StyleCategory.FillStyle:
e.ItemHeight = stdItemHeight;
break;
case StyleCategory.CharacterStyle:
ICharacterStyle characterStyle = (ICharacterStyle)Items[e.Index];
Font font = ToolCache.GetFont(characterStyle);
e.ItemHeight = (int)Math.Ceiling(font.GetHeight(e.Graphics));
break;
case StyleCategory.LineStyle:
e.ItemHeight = ((ILineStyle)Items[e.Index]).LineWidth + 4;
break;
case StyleCategory.ParagraphStyle:
e.ItemHeight = dblItemHeight + dblItemHeight;
break;
default:
throw new NShapeException(string.Format("Unexpected enum value '{0}'.", styleCategory));
}
}
// correct calculated Height by the Height of the label's font
float fontSizeInPixels = Font.GetHeight(e.Graphics);
if (fontSizeInPixels > e.ItemHeight)
{
e.ItemHeight = (int)Math.Round(fontSizeInPixels);
}
e.ItemHeight += 4;
if (e.ItemHeight < stdItemHeight)
{
e.ItemHeight = 20;
}
}
}
private void DrawStyleItem(Graphics gfx, Rectangle previewBounds, ICharacterStyle charStyle) {
Brush fontBrush = ToolCache.GetBrush(charStyle.ColorStyle);
Font font = ToolCache.GetFont(charStyle);
int height = Geometry.PointToPixel(charStyle.SizeInPoints, gfx.DpiY);
float scale = Geometry.CalcScaleFactor(height, height, previewBounds.Width, previewBounds.Height);
gfx.ScaleTransform(scale, scale);
RectangleF layoutRect = RectangleF.Empty;
layoutRect.X = 0;
layoutRect.Y = 0;
layoutRect.Width = (float)previewBounds.Width / scale;
layoutRect.Height = (float)previewBounds.Height / scale;
gfx.DrawString(string.Format("{0} {1} pt", charStyle.FontName, charStyle.SizeInPoints),
font, fontBrush, layoutRect, formatter);
}
/// <override></override>
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (maxItemTextWidth < 0)
{
UpdateMaxItemWidth(e.Graphics);
}
const int txtMargin = 4;
itemBounds.X = e.Bounds.X + 3;
itemBounds.Y = e.Bounds.Y + 1;
itemBounds.Width = (e.Bounds.Right - 3) - (e.Bounds.X + 3);
itemBounds.Height = (e.Bounds.Bottom - 1) - (e.Bounds.Y + 1);
previewRect.X = itemBounds.X + margin;
previewRect.Y = itemBounds.Y + margin;
previewRect.Width = itemBounds.Width - Math.Max(maxItemTextWidth, itemBounds.Width / 4) - (2 * margin) - (2 * txtMargin);
previewRect.Height = (itemBounds.Bottom - margin) - (itemBounds.Y + margin);
labelLayoutRect.X = previewRect.Right + txtMargin;
labelLayoutRect.Y = previewRect.Y;
labelLayoutRect.Width = maxItemTextWidth;
labelLayoutRect.Height = previewRect.Height;
// Draw Item Background and Border
e.Graphics.FillRectangle(ItemBackgroundBrush, itemBounds);
if (itemBorderColor != Color.Transparent)
{
e.Graphics.DrawRectangle(ItemBorderPen, itemBounds);
}
// Draw Selection and/or Focus markers
if ((e.State & DrawItemState.Selected) != 0)
{
e.Graphics.FillRectangle(ItemSelectedBrush, itemBounds);
}
if ((e.State & DrawItemState.Focus) != 0)
{
if (itemFocusedColor != Color.Transparent)
{
e.Graphics.FillRectangle(ItemFocusedBrush, itemBounds);
}
if (FocusBorderColor != Color.Transparent)
{
e.Graphics.DrawRectangle(FocusBorderPen, itemBounds);
}
}
else if (HighlightItems && (e.State & DrawItemState.HotLight) != 0)
{
if (ItemHighlightedColor != Color.Transparent)
{
e.Graphics.FillRectangle(ItemHighlightedBrush, itemBounds);
}
}
e.Graphics.SmoothingMode = SmoothingMode.HighQuality;
e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
if (Items.Count > 0 && e.Index >= 0)
{
if (Items[e.Index] is IStyle)
{
switch (StyleCategory)
{
case StyleCategory.CapStyle:
DrawCapStyleItem((CapStyle)Items[e.Index], e);
break;
case StyleCategory.ColorStyle:
ColorStyle colorStyle = (ColorStyle)Items[e.Index];
Brush colorBrush = ToolCache.GetBrush(colorStyle);
e.Graphics.FillRectangle(colorBrush, previewRect);
e.Graphics.DrawRectangle(ItemBorderPen, previewRect);
e.Graphics.DrawRectangle(Pens.Black, previewRect);
e.Graphics.DrawString(colorStyle.Title, e.Font, TextBrush, labelLayoutRect, styleItemFormatter);
break;
case StyleCategory.FillStyle:
DrawFillStyleItem((FillStyle)Items[e.Index], e);
break;
case StyleCategory.CharacterStyle:
CharacterStyle charStyle = (CharacterStyle)Items[e.Index];
Font font = ToolCache.GetFont(charStyle);
Brush fontBrush = ToolCache.GetBrush(charStyle.ColorStyle);
e.Graphics.DrawString(string.Format("{0} {1} pt", font.FontFamily.Name, font.SizeInPoints), font, fontBrush, previewRect, styleItemFormatter);
e.Graphics.DrawString(charStyle.Title, e.Font, TextBrush, labelLayoutRect, styleItemFormatter);
break;
case StyleCategory.LineStyle:
LineStyle lineStyle = (LineStyle)Items[e.Index];
Pen linePen = ToolCache.GetPen(lineStyle, null, null);
e.Graphics.DrawLine(linePen, previewRect.X, previewRect.Y + (previewRect.Height / 2), previewRect.Right, previewRect.Y + (previewRect.Height / 2));
e.Graphics.DrawString(lineStyle.Title, e.Font, TextBrush, labelLayoutRect, styleItemFormatter);
break;
case StyleCategory.ParagraphStyle:
ParagraphStyle paragraphStyle = (ParagraphStyle)Items[e.Index];
StringFormat stringFormat = ToolCache.GetStringFormat(paragraphStyle);
Rectangle r = Rectangle.Empty;
r.X = previewRect.Left + paragraphStyle.Padding.Left;
r.Y = previewRect.Top + paragraphStyle.Padding.Top;
r.Width = previewRect.Width - (paragraphStyle.Padding.Left + paragraphStyle.Padding.Right);
r.Height = previewRect.Height - (paragraphStyle.Padding.Top + paragraphStyle.Padding.Bottom);
e.Graphics.DrawString(previewText, e.Font, TextBrush, r, stringFormat);
e.Graphics.DrawRectangle(Pens.Black, previewRect);
e.Graphics.DrawString(paragraphStyle.Title, e.Font, TextBrush, labelLayoutRect, styleItemFormatter);
break;
default:
throw new NShapeException(string.Format("Unexpected enum value '{0}'.", styleCategory));
}
}
else
{
e.Graphics.DrawString(Items[e.Index].ToString().Trim(), e.Font, TextBrush, e.Bounds, specialItemFormatter);
}
}
}