Module VirtualizedFX

Package io.github.palexdev.virtualizedfx.grid

Class GridHelper.AbstractHelper

java.lang.Object

io.github.palexdev.virtualizedfx.grid.GridHelper.AbstractHelper

All Implemented Interfaces:

GridHelper

Direct Known Subclasses:

GridHelper.DefaultGridHelper

Enclosing interface:

GridHelper

public abstract static class GridHelper.AbstractHelper
extends Object
implements GridHelper

Abstract implementation of GridHelper, base class for GridHelper.DefaultGridHelper.

Property Summary

Properties

Type	Property	Description
ReadOnlyObjectProperty<io.github.palexdev.mfxcore.base.beans.Size>	estimatedSize	Keeps the results of GridHelper.computeEstimatedSize().

Nested Class Summary

Nested classes/interfaces inherited from interface io.github.palexdev.virtualizedfx.grid.GridHelper

GridHelper.AbstractHelper, GridHelper.DefaultGridHelper

Field Summary

Fields

Modifier and Type	Field	Description
protected final ObjectProperty<io.github.palexdev.mfxcore.base.beans.Size>	estimatedSize
protected final VirtualGrid<?,?>	grid
protected final ViewportManager<?,?>	manager

Constructor Summary

Constructors

Constructor	Description
AbstractHelper(VirtualGrid<?,?> grid)

Method Summary

Modifier and Type	Method	Description
ReadOnlyObjectProperty<io.github.palexdev.mfxcore.base.beans.Size>	estimatedSizeProperty()	Keeps the results of GridHelper.computeEstimatedSize().
boolean	invalidatedPos()	Invalidates VirtualGrid.positionProperty() in case changes occur in the viewport and the current position is no longer valid.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.github.palexdev.virtualizedfx.grid.GridHelper

columnsRange, computeEstimatedSize, dispose, firstColumn, firstRow, lastColumn, lastRow, layout, maxColumns, maxHScroll, maxRows, maxVScroll, rowsRange, scrollBy, scrollTo, scrollToColumn, scrollToRow, xPosBinding, yPosBinding

Property Details

estimatedSize

public ReadOnlyObjectProperty<io.github.palexdev.mfxcore.base.beans.Size> estimatedSizeProperty

Specified by:

estimatedSizeProperty in interface GridHelper

Returns:

the estimatedSize property

See Also:

• estimatedSizeProperty()

Field Details

grid

protected final VirtualGrid<?,?> grid

manager

protected final ViewportManager<?,?> manager

estimatedSize

protected final ObjectProperty<io.github.palexdev.mfxcore.base.beans.Size> estimatedSize

Constructor Details

AbstractHelper

public AbstractHelper(VirtualGrid<?,?> grid)

Method Details

invalidatedPos

public boolean invalidatedPos()

Description copied from interface: GridHelper

Invalidates VirtualGrid.positionProperty() in case changes occur in the viewport and the current position is no longer valid.

Specified by:

invalidatedPos in interface GridHelper

Returns:

true or false if the old position was invalid or not

estimatedSizeProperty

public ReadOnlyObjectProperty<io.github.palexdev.mfxcore.base.beans.Size> estimatedSizeProperty()

Description copied from interface: GridHelper

Keeps the results of GridHelper.computeEstimatedSize().

Specified by:

estimatedSizeProperty in interface GridHelper

Returns:

the estimatedSize property