TreeLineContainer class

树形连线容器

在节点前面添加一个固定宽度的容器来绘制树形连线

主要功能

连线类型

  • L形连线: 用于最后一个子节点 └
  • T形连线: 用于中间子节点 ├
  • 垂直连线: 用于父节点的垂直延伸 │
  • 无连线: 用于根节点

布局特点

  • 固定宽度的连线区域
  • 不会被节点内容覆盖
  • 精确的连线位置控制
Inheritance
Available extensions

Constructors

TreeLineContainer({Key? key, required TreeViewNode node, required Widget child, Color lineColor = Colors.grey, Color? parentLineColor, double strokeWidth = 1.0, required double indent, required double height, bool useParentDashedLine = true})
创建树形连线容器
const

Properties

child → Widget
节点内容
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
连线区域高度
final
indent → double
每级缩进距离
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
lineColor → Color
当前节点连线颜色
final
node → TreeViewNode
树节点
final
parentLineColor → Color?
父级连线颜色
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
strokeWidth → double
连线粗细
final
useParentDashedLine → bool
父级连线是否使用虚线
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
buildPageRoute<T>({RouteSettings? settings, bool maintainState = true, bool fullscreenDialog = false, bool opaque = true}) → PageRoute<T>

Available on Widget, provided by the JunnyWidgetExtension extension

构建PageRoute
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited