glok-core/uk.co.nickthecoder.glok.control/SingleNodeTreeCell

SingleNodeTreeCell

abstract class SingleNodeTreeCell<T, N : Node>(treeView: TreeView<T>, treeItem: TreeItem<T>, val node: N) : TreeCell<T>

An abstract implementation of TreeCell which has a single child node of type N. This takes care of layoutChildren, and nodePrefWidth and nodePrefHeight.

Inheritors

Constructors

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constructor(treeView: TreeView<T>, treeItem: TreeItem<T>, node: N)

Properties

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open override val children: ObservableList<Node>

The base class Node has no children, so this is an empty list.

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val node: N

Functions

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open override fun nodePrefHeight(): Float

Each subclass of node can determine its preferred height. As most nodes are composed of smaller nodes, this is typically calculated using evalPrefWidth of the child nodes, with extra added for spacing, padding and borders.

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open override fun nodePrefWidth(): Float

Each subclass of node can determine its preferred width. As most nodes are composed of smaller nodes, this is typically calculated using evalPrefWidth of the child nodes, with extra added for spacing, padding and borders.