ImageController class
Controller to manage image addition, removal, undo/redo, and page adjustments.
- Inheritance
-
- Object
- ChangeNotifier
- ImageController
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addImage(
Image image) → void - Add an image to the current page
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
adjustPages(
int pageIndex, {bool isAdd = true}) → Future< void> - Adjust image mappings when a page is added or removed
-
clear(
) → void - Clear all images and actions on the current page
-
clearAllPages(
) → void - Clear all pages and reset controller
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
getAllImageBoxes(
) → Map< int, List< ImageBox> > - Get all images for all pages
-
getImageBoxes(
) → List< ImageBox> - Get images for the current page
-
hasClearContent(
) → bool - Check if clearable content exists
-
hasContent(
{bool isRedo = false}) → bool - Check if there is content available for undo/redo
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
redo(
) → void - Redo the last undone image action
-
removeImage(
ImageBox imageBox) → void - Remove an image from the current page
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
setPage(
int page) → void - Set the current page and initialize its data if not already present
-
toString(
) → String -
A string representation of this object.
inherited
-
undo(
) → void - Undo the last image action
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited