private void UpdateText(Style style)
{
Lines.Clear();
if (string.IsNullOrEmpty(_text))
{
return;
}
TextElement def = new TextElement();
def.Font = style.Font;
List <TextElement> elements = BBCode.Parse(_text, style, false);
List <TextElement> textElements = new List <TextElement>();
Point pos = new Point();
Point tsize = new Point();
int lineHeight = 0;
List <TextElement> thisLine = new List <TextElement>();
TextSize = Point.Zero;
if (TextWrap)
{
#region TextWrap = true
foreach (TextElement element in elements)
{
int font = Gui.Renderer.GetFont(element.Font);
if (element.Linebreak)
{
pos.x = 0;
pos.y += lineHeight + Leading;
element.Position = pos;
element.Size = Gui.Renderer.GetTextSize(" ", font);
foreach (TextElement el in thisLine)
{
if (!el.Linebreak)
{
el.Position.y += lineHeight - el.Size.y;
}
}
thisLine.Clear();
lineHeight = element.Size.y;
textElements.Add(element);
}
else
{
#region wrap
string[] words = element.Text.Split(' ');
List <TextElement> sub = new List <TextElement>();
TextElement e = new TextElement(element);
e.Text = string.Empty;
e.Position = pos;
sub.Add(e);
int i = 0;
foreach (string word in words)
{
string temp = word;
if (i > 0)
{
temp = " " + word;
}
tsize = Gui.Renderer.GetTextSize(temp, font);
lineHeight = Math.Max(lineHeight, tsize.y);
int limit = Size.x - (style.TextPadding.Left + style.TextPadding.Right);
i++;
// the word fits, add to current element
if (pos.x + tsize.x < limit)
{
e.Text += temp;
e.Size = Gui.Renderer.GetTextSize(e.Text, font);
pos.x += tsize.x;
}
else
{
// the whole word is larger than the text area
if (tsize.x > limit)
{
}
// the whole word fits into text area
else
{
pos.x = 0;
pos.y += lineHeight + Leading;
thisLine.Add(e);
foreach (TextElement el in thisLine)
{
if (!el.Linebreak)
{
el.Position.y += lineHeight - el.Size.y;
}
}
thisLine.Clear();
lineHeight = 0;
TextElement linebreak = new TextElement(e);
linebreak.Text = string.Empty;
linebreak.Linebreak = true;
linebreak.Position = pos;
sub.Add(linebreak);
e = new TextElement(element);
e.Text = word;
e.Position = pos;
e.Size = Gui.Renderer.GetTextSize(e.Text, font);
sub.Add(e);
lineHeight = Math.Max(lineHeight, e.Size.y);
pos.x += tsize.x;
}
}
}
thisLine.AddRange(sub);
textElements.AddRange(sub);
#endregion
}
}
foreach (TextElement el in thisLine)
{
if (!el.Linebreak)
{
el.Position.y += lineHeight - el.Size.y;
}
}
#endregion
}
else
{
foreach (TextElement element in elements)
{
int font = Gui.Renderer.GetFont(element.Font);
if (element.Linebreak)
{
pos.x = 0;
pos.y += lineHeight + Leading;
element.Position = pos;
element.Size = Gui.Renderer.GetTextSize(" ", font);
foreach (TextElement el in thisLine)
{
if (!el.Linebreak)
{
el.Position.y += lineHeight - el.Size.y;
}
}
thisLine.Clear();
lineHeight = element.Size.y;
textElements.Add(element);
}
else
{
//if (!string.IsNullOrEmpty(element.Text))
//{
tsize = Gui.Renderer.GetTextSize(string.IsNullOrEmpty(element.Text) ? " " : element.Text, font);
lineHeight = Math.Max(lineHeight, tsize.y);
element.Position = pos;
element.Size = tsize;
textElements.Add(element);
pos.x += tsize.x;
thisLine.Add(element);
//}
}
}
foreach (TextElement el in thisLine)
{
if (!el.Linebreak)
{
el.Position.y += lineHeight - el.Size.y;
}
}
}
TextLine line = new TextLine();
foreach (TextElement element in textElements)
{
if (element.Linebreak)
{
line.CharLength += 1;
line.Elements.Add(element);
Lines.Add(line);
line = new TextLine();
}
else
{
line.Width += element.Size.x;
line.CharLength += element.Text.Length;
line.Elements.Add(element);
}
TextSize.x = Math.Max(TextSize.x, line.Width);
TextSize.y = Math.Max(TextSize.y, element.Position.y + element.Size.y);
}
Lines.Add(line);
TextSize += new Point(style.TextPadding.Left + style.TextPadding.Right, style.TextPadding.Top + style.TextPadding.Bottom);
LastSize = Size;
IsDirty = false;
//GetLineAndCol();
}
/// <summary>
/// Initializes a new instance of the <see cref="TextElement"/> class.
/// </summary>
/// <param name="copy">The copy.</param>
public TextElement(TextElement copy)
{
Font = copy.Font;
Color = copy.Color;
Href = copy.Href;
}
private void UpdateText(Style style)
{
activeLibrary.Clear();
Lines.Clear();
TextElement def = new TextElement();
def.Font = style.Font;
List <TextElement> elements = BBCode.Parse(_text, style, BBCodeEnabled);
List <TextElement> textElements = new List <TextElement>();
Point pos = new Point();
Point tsize = new Point();
int advx = 0;
int lineHeight = 0;
List <TextElement> thisLine = new List <TextElement>();
TextSize = Point.Zero;
if (TextWrap)
{
#region TextWrap = true
bool firstInLine = true;
foreach (TextElement element in elements)
{
int font = Gui.Renderer.GetFont(element.Font);
if (element.Linebreak)
{
if (firstInLine)
{
lineHeight = Gui.Renderer.GetTextSize(" ", font).y;
}
pos.x = 0;
pos.y += lineHeight + Leading;
foreach (TextElement el in thisLine)
{
el.Position.y += lineHeight - el.Size.y;
}
thisLine.Clear();
lineHeight = 0;
textElements.Add(element);
firstInLine = true;
}
else if (element.IsControl)
{
Control ctrl = null;
if (library.ContainsKey(element.Control))
{
ctrl = library[element.Control];
}
else if (ControlRequest != null)
{
ctrl = ControlRequest(element.Control);
library.Add(element.Control, ctrl);
}
if (ctrl != null)
{
activeLibrary.Add(element.Control, true);
ctrl.Position = pos;
ctrl.UserData = element.Control;
if (ctrl.Parent == null)
{
Elements.Add(ctrl);
}
element.Size = ctrl.Size;
tsize = ctrl.Size;
if (pos.x + tsize.x < Size.x - (style.TextPadding.Left + style.TextPadding.Right))
{
element.Position = pos;
pos.x += ctrl.Size.x;
lineHeight = Math.Max(lineHeight, tsize.y);
}
else
{
pos.x = 0;
pos.y += lineHeight + Leading;
foreach (TextElement el in thisLine)
{
el.Position.y += lineHeight - el.Size.y;
}
thisLine.Clear();
textElements.Add(new TextElement {
Linebreak = true
});
firstInLine = true;
element.Position = pos;
pos.x += ctrl.Size.x;
lineHeight = tsize.y;
}
textElements.Add(element);
//thisLine.Add(element);
}
}
else
{
#region wrap
string[] words = System.Text.RegularExpressions.Regex.Split(element.Text, @"(?=(?<=[^\s])\s+)");
List <TextElement> sub = new List <TextElement>();
TextElement e = new TextElement(element);
e.Text = string.Empty;
e.Position = pos;
int c = 0;
bool isBreak = false;
foreach (string word in words)
{
if (word.Length == 0)
{
continue;
}
string temp = word;
// if this is the first word in a new line
// remove leading whitespaces
if (firstInLine)
{
temp = word.TrimStart();
}
tsize = Gui.Renderer.GetTextSize(e.Text + temp, font);
lineHeight = Math.Max(lineHeight, tsize.y);
if (pos.x + tsize.x < Size.x - (style.TextPadding.Left + style.TextPadding.Right))
{
// the word fits, add to current element
e.Text += temp;
e.Size = tsize;
firstInLine = false;
}
else
{
#region new
if (firstInLine)
{
// the word fits, add to current element
e.Text += temp;
e.Size = tsize;
firstInLine = false;
}
else
{
// word does not fit, add the current element
thisLine.Add(e);
sub.Add(e);
textElements.AddRange(sub);
foreach (TextElement el in thisLine)
{
el.Position.y += lineHeight - el.Size.y;
}
sub.Clear();
thisLine.Clear();
// reset line pos
pos.x = 0;
pos.y += lineHeight + Leading;
lineHeight = 0;
// add a break
TextElement linebreak = new TextElement(e);
linebreak.Linebreak = true;
sub.Add(linebreak);
// create new starting element
e = new TextElement(element);
e.Text = temp.TrimStart();
e.Position = pos;
e.Size = Gui.Renderer.GetTextSize(e.Text, font);
lineHeight = Math.Max(lineHeight, e.Size.y);
firstInLine = false;
}
#endregion
#region old
//if (c > 0)
//{
// isBreak = true;
// // the word does not fit
// pos.x = 0;
// pos.y += lineHeight + Leading;
//}
//// is more than one word in this line exceeding the break limit?
//if (c > 0)
//{
// // if so, we need to first add the current element,
// thisLine.Add(e);
// sub.Add(e);
// foreach (TextElement el in thisLine)
// {
// el.Position.y += lineHeight - el.Size.y;
// // el.Size.y += lineHeight - el.Size.y;
// }
// thisLine.Clear();
// lineHeight = 0;
// TextElement linebreak = new TextElement(e);
// linebreak.Linebreak = true;
// sub.Add(linebreak);
// e = new TextElement(element);
// e.Text = temp.TrimStart();
// e.Position = pos;
// e.Size = Gui.Renderer.GetTextSize(e.Text, font);
// lineHeight = Math.Max(lineHeight, e.Size.y);
// if (c <= words.Length)
// isBreak = false;
//}
//else
//{
// // if not, we just add the current word
// e.Position = pos;
// e.Text = temp;
// e.Size = Gui.Renderer.GetTextSize(e.Text, font);
// //sub.Add(e);
//}
#endregion
//pos.x += tsize.x;
}
c++;
}
if (!isBreak)
{
//e.Size = Gui.Renderer.GetTextSize(e.Text, font);
pos.x = pos.x + e.Size.x;
lineHeight = Math.Max(lineHeight, e.Size.y);
sub.Add(e);
}
thisLine.AddRange(sub);
textElements.AddRange(sub);
#endregion
}
}
foreach (TextElement el in thisLine)
{
el.Position.y += lineHeight - el.Size.y;
}
#endregion
}
else
{
#region TextWrap = false
bool firstInLine = true;
bool singleLine = true;
foreach (TextElement element in elements)
{
int font = Gui.Renderer.GetFont(element.Font);
if (element.Linebreak)
{
if (firstInLine)
{
lineHeight = Gui.Renderer.GetTextSize(" ", font).y;
}
pos.x = 0;
pos.y += lineHeight + Leading;
foreach (TextElement el in thisLine)
{
el.Position.y += lineHeight - el.Size.y;
// el.Size.y += lineHeight - el.Size.y;
}
thisLine.Clear();
lineHeight = 0;
element.Position = pos;
textElements.Add(element);
firstInLine = true;
singleLine = false;
}
else if (element.IsControl)
{
Control ctrl = null;
if (library.ContainsKey(element.Control))
{
ctrl = library[element.Control];
}
else if (ControlRequest != null)
{
ctrl = ControlRequest(element.Control);
library.Add(element.Control, ctrl);
}
if (ctrl != null)
{
ctrl.Position = pos;
if (ctrl.Parent == null)
{
Elements.Add(ctrl);
}
activeLibrary.Add(element.Control, true);
element.Position = pos;
element.Size = ctrl.Size;
pos.x += ctrl.Size.x;
tsize = element.Size;
lineHeight = Math.Max(lineHeight, tsize.y);
textElements.Add(element);
//thisLine.Add(element);
}
}
else
{
if (firstInLine)
{
element.Text = element.Text.TrimStart();
firstInLine = false;
}
tsize = Gui.Renderer.GetTextSize(string.IsNullOrEmpty(element.Text) ? " " : element.Text, font);
lineHeight = Math.Max(lineHeight, tsize.y);
element.Position = pos;
element.Size = tsize;
textElements.Add(element);
pos.x += tsize.x;
thisLine.Add(element);
}
}
foreach (TextElement el in thisLine)
{
el.Position.y += lineHeight - el.Size.y;
}
#endregion
#region AutoEllipsis (...)
if (singleLine && AutoEllipsis && (AutoSize == Squid.AutoSize.None || AutoSize == AutoSize.Vertical))
{
int removeAt = -1;
int width = 0;
int limit = Size.x - style.TextPadding.Left - style.TextPadding.Right;
Alignment align = TextAlign != Alignment.Inherit ? TextAlign : style.TextAlign;
if (align == Alignment.TopLeft || align == Alignment.MiddleLeft || align == Alignment.BottomLeft)
{
for (int i = 0; i < textElements.Count; i++)
{
int font = Gui.Renderer.GetFont(textElements[i].Font);
int ellipsis = Gui.Renderer.GetTextSize("...", font).x;
if (width + textElements[i].Size.x + ellipsis <= limit)
{
width += textElements[i].Size.x;
continue;
}
else
{
string text = string.Empty;
string final = string.Empty;
removeAt = i + 1;
foreach (char c in textElements[i].Text)
{
final = text + c + "...";
int w = Gui.Renderer.GetTextSize(final, font).x;
if (width + w >= limit)
{
textElements[i].Text = text + "...";
break;
}
else
{
text += c;
}
}
break;
}
}
if (removeAt > -1)
{
textElements.RemoveRange(removeAt, textElements.Count - removeAt);
}
}
else if (align == Alignment.TopRight || align == Alignment.MiddleRight || align == Alignment.BottomRight)
{
for (int i = textElements.Count - 1; i >= 0; i--)
{
int font = Gui.Renderer.GetFont(textElements[i].Font);
int ellipsis = Gui.Renderer.GetTextSize("...", font).x;
int fullsize = textElements[i].Size.x;
Point oldpos = textElements[i].Position;
if (width + textElements[i].Size.x + ellipsis <= limit)
{
width += textElements[i].Size.x;
}
else
{
string inc = string.Empty;
string final = string.Empty;
string text = textElements[i].Text;
removeAt = i;
for (int j = text.Length; j >= 0; j--)
{
char c = new char();
if (j < text.Length)
{
c = text[j];
final = "..." + c + inc;
inc = c + inc;
}
else
{
final = "..." + inc;
}
if (j == 0 && removeAt == 0)
{
final = inc;
}
int w = Gui.Renderer.GetTextSize(final, font).x;
Point position = oldpos;
position.x = oldpos.x + (fullsize - w);
textElements[i].Text = final;
textElements[i].Position = position;
if (width + w > limit && j > 0)
{
break;
}
}
break;
}
}
if (removeAt > 0)
{
int ww = 0;
for (int i = 0; i < removeAt; i++)
{
ww += textElements[i].Size.x;
}
textElements.RemoveRange(0, removeAt);
for (int i = 0; i < textElements.Count; i++)
{
Point position = textElements[i].Position;
position.x -= ww;
textElements[i].Position = position;
}
}
}
}
#endregion
}
TextLine line = new TextLine();
foreach (TextElement element in textElements)
{
line.Width += element.Size.x;
line.Elements.Add(element);
TextSize.x = Math.Max(TextSize.x, line.Width);
TextSize.y = Math.Max(TextSize.y, element.Position.y + element.Size.y);
if (element.Linebreak)
{
Lines.Add(line);
line = new TextLine();
}
}
TextSize += new Point(style.TextPadding.Left + style.TextPadding.Right, style.TextPadding.Top + style.TextPadding.Bottom);
Lines.Add(line);
LastSize = Size;
IsDirty = false;
FinalizeTextLayout(style);
foreach (KeyValuePair <string, Control> pair in library)
{
if (!activeLibrary.ContainsKey(pair.Key))
{
Elements.Remove(pair.Value);
}
}
}
public static List <TextElement> Parse(string text, Style style, bool enabled)
{
if (string.IsNullOrEmpty(text))
{
return(new List <TextElement>());
}
if (enabled)
{
text = ConvertBBCodeToHTML(text);
}
else
{
text = EscapeXML(text);
text = text.Replace("\r\n", "<br/>");
text = text.Replace("\n", "<br/>");
text = text.Replace(""r"n", "<br/>");
text = text.Replace(""n", "<br/>");
}
var element = new TextElement {
Font = style.Font, Color = style.TextColor
};
var lastElement = new TextElement {
Font = style.Font, Color = style.TextColor
};
var result = new List <TextElement>();
if (reader == null)
{
reader = new Xml.XmlReader(text);
}
else
{
reader.New(text);
}
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (reader.Name.ToLower())
{
case "control":
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name.Equals("key"))
{
element.Control = reader.Value;
}
else if (reader.Name.Equals("data"))
{
// element.Data = reader.Value;
}
}
}
result.Add(element);
element = new TextElement(element);
break;
case "font":
if (reader.HasAttributes)
{
lastElement.Color = element.Color;
lastElement.Font = element.Font;
while (reader.MoveToNextAttribute())
{
if (reader.Name.Equals("name"))
{
element.Font = reader.Value;
}
else if (reader.Name.Equals("color"))
{
var color = element.Color.Value;
if (int.TryParse(reader.Value, System.Globalization.NumberStyles.HexNumber, System.Globalization.CultureInfo.InvariantCulture, out color))
{
element.Color = color;
}
else if (int.TryParse(reader.Value, System.Globalization.NumberStyles.Integer, System.Globalization.CultureInfo.InvariantCulture, out color))
{
element.Color = color;
}
}
}
}
break;
case "a":
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name.Equals("href"))
{
element.Href = reader.Value;
}
}
}
break;
case "br":
element.Linebreak = true;
result.Add(element);
element = new TextElement(element);
break;
default: break;
}
break;
case XmlNodeType.EndElement:
switch (reader.Name.ToLower())
{
case "control":
element.Font = lastElement.Font;
element.Color = lastElement.Color;
break;
case "font":
element.Font = lastElement.Font;
element.Color = lastElement.Color;
break;
case "a":
element.Href = null;
break;
}
break;
case XmlNodeType.Text:
if (reader.Value.Length > 0)
{
element.Text = UnescapeXML(reader.Value);
result.Add(element);
element = new TextElement(element);
}
break;
default:
break;
}
}
return(result);
}
