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;
}
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 RenderComparison compareTo(StrutStyle other)
{
if (ReferenceEquals(this, other))
{
return(RenderComparison.identical);
}
if (other == null)
{
return(RenderComparison.layout);
}
if (fontFamily != other.fontFamily ||
fontSize != other.fontSize ||
fontWeight != other.fontWeight ||
fontStyle != other.fontStyle ||
height != other.height ||
leading != other.leading ||
forceStrutHeight != other.forceStrutHeight ||
!CollectionUtils.equalsList(fontFamilyFallback, other.fontFamilyFallback))
{
return(RenderComparison.layout);
}
return(RenderComparison.identical);
}
SelectableText(
string data,
TextSpan textSpan,
Key key = null,
FocusNode focusNode = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign?textAlign = null,
TextDirection?textDirection = null,
float?textScaleFactor = null,
bool showCursor = false,
bool autofocus = false,
ToolbarOptions toolbarOptions = null,
int?minLines = null,
int?maxLines = null,
float cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool enableInteractiveSelection = true,
GestureTapCallback onTap = null,
ScrollPhysics scrollPhysics = null,
TextWidthBasis?textWidthBasis = null
) : base(key: key)
{
D.assert(maxLines == null || maxLines > 0);
D.assert(minLines == null || minLines > 0);
D.assert(
(maxLines == null) || (minLines == null) || (maxLines >= minLines),
() => "minLines can\'t be greater than maxLines"
);
toolbarOptions = toolbarOptions ??
new ToolbarOptions(
selectAll: true,
copy: true
);
this.data = data;
this.textSpan = textSpan;
this.focusNode = focusNode;
this.style = style;
this.strutStyle = strutStyle;
this.textAlign = textAlign;
this.textDirection = textDirection;
this.textScaleFactor = textScaleFactor;
this.showCursor = showCursor;
this.autofocus = autofocus;
this.toolbarOptions = toolbarOptions;
this.minLines = minLines;
this.maxLines = maxLines;
this.cursorWidth = cursorWidth;
this.cursorRadius = cursorRadius;
this.cursorColor = cursorColor;
this.dragStartBehavior = dragStartBehavior;
this.enableInteractiveSelection = enableInteractiveSelection;
this.onTap = onTap;
this.scrollPhysics = scrollPhysics;
this.textWidthBasis = textWidthBasis;
}
public static SelectableText rich(
TextSpan textSpan,
Key key = null,
FocusNode focusNode = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign?textAlign = null,
TextDirection?textDirection = null,
float?textScaleFactor = null,
bool showCursor = false,
bool autofocus = false,
ToolbarOptions toolbarOptions = null,
int?minLines = null,
int?maxLines = null,
float cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool enableInteractiveSelection = true,
GestureTapCallback onTap = null,
ScrollPhysics scrollPhysics = null,
TextWidthBasis?textWidthBasis = null
)
{
D.assert(
textSpan != null,
() => "A non-null TextSpan must be provided to a SelectableText.rich widget."
);
return(new SelectableText(
data: null,
textSpan: textSpan,
key: key,
focusNode: focusNode,
style: style,
strutStyle: strutStyle,
textAlign: textAlign,
textDirection: textDirection,
textScaleFactor: textScaleFactor,
showCursor: showCursor,
autofocus: autofocus,
toolbarOptions: toolbarOptions,
minLines: minLines,
maxLines: maxLines,
cursorWidth: cursorWidth,
cursorRadius: cursorRadius,
cursorColor: cursorColor,
dragStartBehavior: dragStartBehavior,
enableInteractiveSelection: enableInteractiveSelection,
onTap: onTap,
scrollPhysics: scrollPhysics,
textWidthBasis: textWidthBasis
));
}
public TextPainter(TextSpan text = null,
TextAlign textAlign = TextAlign.left,
TextDirection textDirection = TextDirection.ltr,
float textScaleFactor = 1.0f,
int?maxLines = null,
string ellipsis = "",
StrutStyle strutStyle = null)
{
this._text = text;
this._textAlign = textAlign;
this._textDirection = textDirection;
this._textScaleFactor = textScaleFactor;
this._maxLines = maxLines;
this._ellipsis = ellipsis;
this._strutStyle = strutStyle;
}
public ParagraphStyle getParagraphStyle(
TextAlign?textAlign = null,
TextDirection?textDirection = null,
float?textScaleFactor = 1.0f,
string ellipsis = null,
int?maxLines = null,
TextHeightBehavior textHeightBehavior = null,
Locale locale = null,
string fontFamily = null,
float?fontSize = null,
FontWeight fontWeight = null,
FontStyle?fontStyle = null,
float?height = null,
StrutStyle strutStyle = null
)
{
D.assert(textScaleFactor != null);
D.assert(maxLines == null || maxLines > 0);
return(new ParagraphStyle(
textAlign: textAlign,
textDirection ?? TextDirection.ltr,
fontWeight: fontWeight ?? this.fontWeight,
fontStyle: fontStyle ?? this.fontStyle,
fontFamily: fontFamily ?? this.fontFamily,
fontSize: (fontSize ?? this.fontSize ?? _defaultFontSize) * textScaleFactor,
height: height ?? this.height,
textHeightBehavior: textHeightBehavior,
strutStyle: strutStyle == null
? null
: new ui.StrutStyle(
fontFamily: strutStyle.fontFamily,
fontFamilyFallback: strutStyle.fontFamilyFallback,
strutStyle.fontSize == null ? null : strutStyle.fontSize * textScaleFactor,
height: strutStyle.height,
leading: strutStyle.leading,
fontWeight: strutStyle.fontWeight,
fontStyle: strutStyle.fontStyle,
forceStrutHeight: strutStyle.forceStrutHeight
),
maxLines: maxLines,
ellipsis: ellipsis,
locale: locale
));
}
public static Text rich(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)
{
return(new Text(
textSpan, key,
style,
strutStyle,
textAlign,
softWrap,
overflow,
textScaleFactor,
maxLines));
}
public bool Equals(StrutStyle other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(fontFamily == other.fontFamily &&
fontSize == other.fontSize &&
fontWeight == other.fontWeight &&
fontStyle == other.fontStyle &&
height == other.height &&
leading == other.leading &&
forceStrutHeight == other.forceStrutHeight);
}
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);
}
public CupertinoTextField(
Key key = null,
TextEditingController controller = null,
FocusNode focusNode = null,
BoxDecoration decoration = null,
EdgeInsets padding = null,
string placeholder = null,
TextStyle placeholderStyle = null,
Widget prefix = null,
OverlayVisibilityMode prefixMode = OverlayVisibilityMode.always,
Widget suffix = null,
OverlayVisibilityMode suffixMode = OverlayVisibilityMode.always,
OverlayVisibilityMode clearButtonMode = OverlayVisibilityMode.never,
TextInputType keyboardType = null,
TextInputAction?textInputAction = null,
TextCapitalization textCapitalization = TextCapitalization.none,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign textAlign = TextAlign.left,
TextAlignVertical textAlignVertical = null,
bool readOnly = false,
ToolbarOptions toolbarOptions = null,
bool?showCursor = null,
bool autofocus = false,
bool obscureText = false,
bool autocorrect = true,
SmartDashesType?smartDashesType = null,
SmartQuotesType?smartQuotesType = null,
bool enableSuggestions = true,
int?maxLines = 1,
int?minLines = null,
bool expands = false,
int?maxLength = null,
bool maxLengthEnforced = true,
ValueChanged <string> onChanged = null,
VoidCallback onEditingComplete = null,
ValueChanged <string> onSubmitted = null,
List <TextInputFormatter> inputFormatters = null,
bool?enabled = null,
float cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
ui.BoxHeightStyle selectionHeightStyle = ui.BoxHeightStyle.tight,
ui.BoxWidthStyle selectionWidthStyle = ui.BoxWidthStyle.tight,
Brightness?keyboardAppearance = null,
EdgeInsets scrollPadding = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool enableInteractiveSelection = true,
GestureTapCallback onTap = null,
ScrollController scrollController = null,
ScrollPhysics scrollPhysics = null
) : base(key: key)
{
this.smartDashesType = smartDashesType ?? (obscureText ? SmartDashesType.disabled : SmartDashesType.enabled);
this.smartQuotesType = smartQuotesType ?? (obscureText ? SmartQuotesType.disabled : SmartQuotesType.enabled);
D.assert(maxLines == null || maxLines > 0);
D.assert(minLines == null || minLines > 0);
D.assert(maxLines == null || minLines == null || maxLines >= minLines,
() => "minLines can't be greater than maxLines");
D.assert(!expands || (maxLines == null && minLines == null),
() => "minLines and maxLines must be null when expands is true.");
D.assert(maxLength == null || maxLength > 0);
this.controller = controller;
this.focusNode = focusNode;
this.decoration = decoration ?? CupertinoTextFieldUtils._kDefaultRoundedBorderDecoration;
this.padding = padding ?? EdgeInsets.all(6.0f);
this.placeholder = placeholder;
this.placeholderStyle = placeholderStyle ?? new TextStyle(
fontWeight: FontWeight.w400,
color: CupertinoColors.placeholderText
);
this.prefix = prefix;
this.prefixMode = prefixMode;
this.suffix = suffix;
this.suffixMode = suffixMode;
this.clearButtonMode = clearButtonMode;
this.textInputAction = textInputAction;
this.textCapitalization = textCapitalization;
this.style = style;
this.strutStyle = strutStyle;
this.textAlign = textAlign;
this.textAlignVertical = textAlignVertical;
this.readOnly = readOnly;
this.showCursor = showCursor;
this.autofocus = autofocus;
this.obscureText = obscureText;
this.autocorrect = autocorrect;
this.enableSuggestions = enableSuggestions;
this.maxLines = maxLines;
this.minLines = minLines;
this.expands = expands;
this.maxLength = maxLength;
this.maxLengthEnforced = maxLengthEnforced;
this.onChanged = onChanged;
this.onEditingComplete = onEditingComplete;
this.onSubmitted = onSubmitted;
this.inputFormatters = inputFormatters;
this.enabled = enabled;
this.cursorWidth = cursorWidth;
this.cursorRadius = cursorRadius ?? Radius.circular(2.0f);
this.cursorColor = cursorColor;
this.selectionHeightStyle = selectionHeightStyle;
this.selectionWidthStyle = selectionWidthStyle;
this.keyboardAppearance = keyboardAppearance;
this.scrollPadding = scrollPadding ?? EdgeInsets.all(20.0f);
this.dragStartBehavior = dragStartBehavior;
this.enableInteractiveSelection = enableInteractiveSelection;
this.scrollPhysics = scrollPhysics;
this.onTap = onTap;
this.scrollController = scrollController;
this.keyboardType = keyboardType ?? (maxLines == 1 ? TextInputType.text : TextInputType.multiline);
this.toolbarOptions = toolbarOptions ?? (obscureText
? new ToolbarOptions(
selectAll: true,
paste: true
)
: new ToolbarOptions(
copy: true,
cut: true,
selectAll: true,
paste: true
));
}
public TextField(Key key = null,
TextEditingController controller = null,
FocusNode focusNode = null,
InputDecoration decoration = null,
bool noDecoration = false,
TextInputType keyboardType = null,
TextInputAction?textInputAction = null,
TextCapitalization textCapitalization = TextCapitalization.none,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign textAlign = TextAlign.left,
TextAlignVertical textAlignVertical = null,
TextDirection textDirection = TextDirection.ltr,
bool readOnly = false,
ToolbarOptions toolbarOptions = null,
bool?showCursor = null,
bool autofocus = false,
bool obscureText = false,
bool autocorrect = false,
SmartDashesType?smartDashesType = null,
SmartQuotesType?smartQuotesType = null,
bool enableSuggestions = true,
int?maxLines = 1,
int?minLines = null,
bool expands = false,
int?maxLength = null,
bool maxLengthEnforced = true,
ValueChanged <string> onChanged = null,
VoidCallback onEditingComplete = null,
ValueChanged <string> onSubmitted = null,
List <TextInputFormatter> inputFormatters = null,
bool?enabled = null,
float?cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
BoxHeightStyle selectionHeightStyle = BoxHeightStyle.tight,
BoxWidthStyle selectionWidthStyle = BoxWidthStyle.tight,
Brightness?keyboardAppearance = null,
EdgeInsets scrollPadding = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool enableInteractiveSelection = true,
GestureTapCallback onTap = null,
InputCounterWidgetBuilder buildCounter = null,
ScrollController scrollController = null,
ScrollPhysics scrollPhysics = null
) : base(key: key)
{
D.assert(maxLines == null || maxLines > 0);
D.assert(minLines == null || minLines > 0);
D.assert((maxLines == null) || (minLines == null) || (maxLines >= minLines),
() => "minLines can't be greater than maxLines");
D.assert(!expands || (maxLines == null && minLines == null),
() => "minLines and maxLines must be null when expands is true.");
D.assert(maxLength == null || maxLength == noMaxLength || maxLength > 0);
D.assert(!obscureText || maxLines == 1, () => "Obscured fields cannot be multiline.");
this.smartDashesType =
smartDashesType ?? (obscureText ? SmartDashesType.disabled : SmartDashesType.enabled);
this.smartQuotesType =
smartQuotesType ?? (obscureText ? SmartQuotesType.disabled : SmartQuotesType.enabled);
this.controller = controller;
this.focusNode = focusNode;
this.decoration = noDecoration ? null : (decoration ?? new InputDecoration());
this.textInputAction = textInputAction;
this.textCapitalization = textCapitalization;
this.style = style;
this.strutStyle = strutStyle;
this.textAlign = textAlign;
this.textAlignVertical = textAlignVertical;
this.textDirection = textDirection;
this.readOnly = readOnly;
this.showCursor = showCursor;
this.autofocus = autofocus;
this.obscureText = obscureText;
this.autocorrect = autocorrect;
this.enableSuggestions = enableSuggestions;
this.maxLines = maxLines;
this.minLines = minLines;
this.expands = expands;
this.maxLength = maxLength;
this.maxLengthEnforced = maxLengthEnforced;
this.onChanged = onChanged;
this.onEditingComplete = onEditingComplete;
this.onSubmitted = onSubmitted;
this.inputFormatters = inputFormatters;
this.enabled = enabled;
this.cursorWidth = cursorWidth;
this.cursorColor = cursorColor;
this.selectionHeightStyle = selectionHeightStyle;
this.selectionWidthStyle = selectionWidthStyle;
this.cursorRadius = cursorRadius;
this.onSubmitted = onSubmitted;
this.keyboardAppearance = keyboardAppearance;
this.enableInteractiveSelection = enableInteractiveSelection;
this.onTap = onTap;
this.keyboardType = keyboardType ?? (maxLines == 1 ? TextInputType.text : TextInputType.multiline);
this.toolbarOptions = toolbarOptions ?? (obscureText
? new ToolbarOptions(
selectAll: true,
paste: true
)
: new ToolbarOptions(
copy: true,
cut: true,
selectAll: true,
paste: true
));
this.scrollPadding = scrollPadding ?? EdgeInsets.all(20.0f);
this.dragStartBehavior = dragStartBehavior;
this.enableInteractiveSelection = enableInteractiveSelection;
this.buildCounter = buildCounter;
this.scrollPhysics = scrollPhysics;
this.scrollController = scrollController;
}
public TextFormField(
Key key = null,
TextEditingController controller = null,
string initialValue = null,
FocusNode focusNode = null,
InputDecoration decoration = null,
TextInputType keyboardType = null,
TextCapitalization textCapitalization = TextCapitalization.none,
TextInputAction?textInputAction = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextDirection?textDirection = null,
TextAlign textAlign = TextAlign.left,
TextAlignVertical textAlignVertical = null,
bool autofocus = false,
bool readOnly = false,
ToolbarOptions toolbarOptions = null,
bool?showCursor = null,
bool obscureText = false,
bool autocorrect = true,
SmartDashesType?smartDashesType = null,
SmartQuotesType?smartQuotesType = null,
bool enableSuggestions = true,
bool autovalidate = false,
bool maxLengthEnforced = true,
int?maxLines = 1,
int?minLines = null,
bool expands = false,
int?maxLength = null,
ValueChanged <string> onChanged = null,
GestureTapCallback onTap = null,
VoidCallback onEditingComplete = null,
ValueChanged <string> onFieldSubmitted = null,
FormFieldSetter <string> onSaved = null,
FormFieldValidator <string> validator = null,
List <TextInputFormatter> inputFormatters = null,
bool enabled = true,
float cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
Brightness?keyboardAppearance = null,
EdgeInsets scrollPadding = null,
bool enableInteractiveSelection = true,
InputCounterWidgetBuilder buildCounter = null,
ScrollPhysics scrollPhysics = null
) : base(
key: key,
initialValue: controller != null ? controller.text : (initialValue ?? ""),
onSaved: onSaved,
validator: validator,
autovalidate: autovalidate,
enabled: enabled,
builder: (FormFieldState <string> field) => {
_TextFormFieldState state = (_TextFormFieldState)field;
InputDecoration effectiveDecoration = (decoration ?? new InputDecoration())
.applyDefaults(Theme.of(field.context).inputDecorationTheme);
void onChangedHandler(string value)
{
if (onChanged != null)
{
onChanged(value);
}
field.didChange(value);
}
return(new TextField(
controller: state._effectiveController,
focusNode: focusNode,
decoration: effectiveDecoration.copyWith(errorText: field.errorText),
keyboardType: keyboardType,
textInputAction: textInputAction,
style: style,
strutStyle: strutStyle,
textAlign: textAlign,
textAlignVertical: textAlignVertical,
textDirection: textDirection ?? TextDirection.ltr,
textCapitalization: textCapitalization,
autofocus: autofocus,
toolbarOptions: toolbarOptions,
readOnly: readOnly,
showCursor: showCursor,
obscureText: obscureText,
autocorrect: autocorrect,
smartDashesType: smartDashesType ??
(obscureText ? SmartDashesType.disabled : SmartDashesType.enabled),
smartQuotesType: smartQuotesType ??
(obscureText ? SmartQuotesType.disabled : SmartQuotesType.enabled),
enableSuggestions: enableSuggestions,
maxLengthEnforced: maxLengthEnforced,
maxLines: maxLines,
minLines: minLines,
expands: expands,
maxLength: maxLength,
onChanged: onChangedHandler,
onTap: onTap,
onEditingComplete: onEditingComplete,
onSubmitted: onFieldSubmitted,
inputFormatters: inputFormatters,
enabled: enabled,
cursorWidth: cursorWidth,
cursorRadius: cursorRadius,
cursorColor: cursorColor,
scrollPadding: scrollPadding ?? EdgeInsets.all(20.0f),
scrollPhysics: scrollPhysics,
keyboardAppearance: keyboardAppearance,
enableInteractiveSelection: enableInteractiveSelection,
buildCounter: buildCounter
));
}
) {
D.assert(initialValue == null || controller == null);
D.assert(maxLines > 0);
D.assert(maxLines == null || maxLines > 0);
D.assert(minLines == null || minLines > 0);
D.assert((maxLines == null) || (minLines == null) || (maxLines >= minLines),
() => "minLines can't be greater than maxLines");
D.assert(!expands || (maxLines == null && minLines == null),
() => "minLines and maxLines must be null when expands is true.");
D.assert(!obscureText || maxLines == 1, () => "Obscured fields cannot be multiline.");
D.assert(maxLength == null || maxLength > 0);
this.controller = controller;
}
