FpOriginalButton class
查看原图按钮。
对齐主项目 ShowOriginalImageButtonWidget 的样式和逻辑:
- 样式:毛玻璃背景 + 半透明深色圆角容器,居中显示
- 未下载:显示「查看原图(2.5MB)」文字
- 下载中:显示进度圆圈 + 百分比
- 下载完成:按钮消失(不是变灰),图片渲染器自动切换到原图
通过 onOriginalReady 回调通知渲染器原图已就绪(本地文件路径)。
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- FpOriginalButton
Constructors
- FpOriginalButton({Key? key, required FilePreviewItem item, required BaseCacheManager cacheManager, void onOriginalReady(File file)?})
-
const
Properties
- cacheManager → BaseCacheManager
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- item → FilePreviewItem
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onOriginalReady → void Function(File file)?
-
原图下载完成后的回调,传入本地文件
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< FpOriginalButton> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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