Text(TextSpan textSpan,
Key key = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign?textAlign = null,
bool?softWrap = null,
TextOverflow?overflow = null,
float?textScaleFactor = null,
int?maxLines = null,
TextWidthBasis textWidthBasis = default,
ui.TextHeightBehavior textHeightBehavior = null) : base(key)
{
D.assert(textSpan != null, () => "A non-null TextSpan must be provided to a Text.rich widget.");
this.textSpan = textSpan;
data = null;
this.style = style;
this.strutStyle = strutStyle;
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow;
this.textScaleFactor = textScaleFactor;
this.maxLines = maxLines;
this.textHeightBehavior = textHeightBehavior;
this.textWidthBasis = textWidthBasis;
}
public Text(string data,
Key key = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign?textAlign = null,
bool?softWrap = null,
TextOverflow?overflow = null,
float?textScaleFactor = null,
int?maxLines = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
ui.TextHeightBehavior textHeightBehavior = null) : base(key)
{
D.assert(data != null, () => "A non-null string must be provided to a Text widget.");
textSpan = null;
this.data = data;
this.style = style;
this.strutStyle = strutStyle;
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow;
this.textScaleFactor = textScaleFactor;
this.maxLines = maxLines;
this.textWidthBasis = textWidthBasis;
this.textHeightBehavior = textHeightBehavior;
}
public DefaultTextStyle(
Widget child,
TextStyle style,
Key key = null,
TextAlign?textAlign = null,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
int?maxLines = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
ui.TextHeightBehavior textHeightBehavior = null
) : base(key: key, child: child)
{
D.assert(style != null);
D.assert(maxLines == null || maxLines > 0);
D.assert(child != null);
this.style = style;
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow;
this.maxLines = maxLines;
this.textWidthBasis = textWidthBasis;
this.textHeightBehavior = textHeightBehavior;
}
public AnimatedDefaultTextStyle(
Key key = null,
Widget child = null,
TextStyle style = null,
TextAlign?textAlign = null,
bool softWrap = true,
TextOverflow?overflow = null,
int?maxLines = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
ui.TextHeightBehavior textHeightBehavior = null,
Curve curve = null,
TimeSpan?duration = null,
VoidCallback onEnd = null
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd)
{
overflow = overflow ?? TextOverflow.clip;
D.assert(duration != null);
D.assert(style != null);
D.assert(child != null);
D.assert(overflow != null);
D.assert(maxLines == null || maxLines > 0);
this.child = child;
this.style = style;
this.textAlign = textAlign;
this.softWrap = softWrap;
this.overflow = overflow.Value;
this.maxLines = maxLines;
this.textHeightBehavior = textHeightBehavior;
this.textWidthBasis = textWidthBasis;
}
public TextPainter(InlineSpan text = null,
TextAlign textAlign = TextAlign.left,
TextDirection textDirection = TextDirection.ltr,
float textScaleFactor = 1.0f,
int?maxLines = null,
string ellipsis = null,
Locale locale = null,
StrutStyle strutStyle = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
TextHeightBehavior textHeightBehavior = null)
{
D.assert(text == null || text.debugAssertIsValid());
D.assert(maxLines == null || maxLines > 0);
_text = text;
_textAlign = textAlign;
_textDirection = textDirection;
_textScaleFactor = textScaleFactor;
_maxLines = maxLines;
_ellipsis = ellipsis;
_locale = locale;
_strutStyle = strutStyle;
_textWidthBasis = textWidthBasis;
_textHeightBehavior = textHeightBehavior;
}
public RenderParagraph(
InlineSpan text = null,
TextAlign textAlign = TextAlign.start,
TextDirection textDirection = TextDirection.ltr,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
float textScaleFactor = 1.0f,
int?maxLines = null,
Locale locale = null,
StrutStyle strutStyle = null,
TextWidthBasis textWidthBasis = TextWidthBasis.parent,
ui.TextHeightBehavior textHeightBehavior = null,
List <RenderBox> children = null
)
{
D.assert(maxLines == null || maxLines > 0);
D.assert(text != null);
D.assert(text.debugAssertIsValid());
D.assert(maxLines == null || maxLines > 0);
_softWrap = softWrap;
_overflow = overflow;
_textPainter = new TextPainter(
text: text,
textAlign: textAlign,
textDirection: textDirection,
textScaleFactor: textScaleFactor,
maxLines: maxLines,
ellipsis: overflow == TextOverflow.ellipsis ? _kEllipsis : null,
locale: locale,
strutStyle: strutStyle,
textWidthBasis: textWidthBasis,
textHeightBehavior: textHeightBehavior
);
addAll(children);
_extractPlaceholderSpans(text);
}
