TreeViewController<Data, Tree extends ITreeNode<Data> > class
final
Utility class to provide easy access to basic node operations. The TreeViewController also exposes basic scrolling methods that can be used for scrolling to an item or a list index.
Constructors
-
TreeViewController(TreeViewStateHelper<
Data> _animatedListController) -
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- tree → Tree
-
Returns the INode.ROOT_KEY root of the tree
no setter
Methods
-
collapseNode(
Tree node) → void - Method for programmatically collapsing a TreeNode.
-
elementAt(
String path) → Tree -
Returns the ITreeNode at the provided
path -
expandAllChildren(
Tree node, {bool recursive = false}) → void -
Utility method for programmatically expanding all the child nodes. By default
only the immediate children of the node will be expanded.
Set
recursiveto true expanding all the child nodes until the leaf is reached. -
expandNode(
Tree node) → void - Method for programmatically expanding a TreeNode.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
scrollToIndex(
int index) → Future -
Method for programmatically scrolling to an
indexin the flat list of the TreeView. -
scrollToItem(
Tree node) → Future -
Method for programmatically scrolling to a
nodein the TreeView. -
toggleExpansion(
Tree node) → void - Method for programmatically toggling the expansion state of a TreeNode. If the TreeNode is in expanded state, then it will be collapsed. Else if the TreeNode is in collapsed state, then it will be expanded.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited