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*
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*
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*
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package javafx.scene.control.skin;
import com.sun.javafx.scene.control.behavior.BehaviorBase;
import com.sun.javafx.scene.control.behavior.TreeTableCellBehavior;
import java.util.Map;
import javafx.beans.property.ReadOnlyObjectProperty;
import javafx.scene.Node;
import javafx.scene.control.*;
Default skin implementation for the TreeTableCell control. Type parameters: - <S> – The type of the UI control (e.g. the type of the 'row'), this is wrapped in a TreeItem.
- <T> – The type of the content in the cell, based on its
TreeTableColumn.
See Also: Since: 9
/**
* Default skin implementation for the {@link TreeTableCell} control.
*
* @param <S> The type of the UI control (e.g. the type of the 'row'), this is wrapped in a TreeItem.
* @param <T> The type of the content in the cell, based on its {@link TreeTableColumn}.
* @see TreeTableCell
* @since 9
*/
public class TreeTableCellSkin<S,T> extends TableCellSkinBase<TreeItem<S>, T, TreeTableCell<S,T>> {
*
Private Fields *
*
/***************************************************************************
* *
* Private Fields *
* *
**************************************************************************/
private final BehaviorBase<TreeTableCell<S,T>> behavior;
/***************************************************************************
* *
* Constructors *
* *
**************************************************************************/
Creates a new TreeTableCellSkin instance, installing the necessary child nodes into the Control children list, as well as the necessary input mappings for handling key, mouse, etc events. Params: - control – The control that this skin should be installed onto.
/**
* Creates a new TreeTableCellSkin instance, installing the necessary child
* nodes into the Control {@link Control#getChildren() children} list, as
* well as the necessary input mappings for handling key, mouse, etc events.
*
* @param control The control that this skin should be installed onto.
*/
public TreeTableCellSkin(TreeTableCell<S,T> control) {
super(control);
// install default input map for the TreeTableCell control
behavior = new TreeTableCellBehavior<>(control);
// control.setInputMap(behavior.getInputMap());
}
/***************************************************************************
* *
* Public API *
* *
**************************************************************************/
{@inheritDoc} /** {@inheritDoc} */
@Override public void dispose() {
super.dispose();
if (behavior != null) {
behavior.dispose();
}
}
/***************************************************************************
* *
* Private implementation *
* *
**************************************************************************/
{@inheritDoc} /** {@inheritDoc} */
@Override public ReadOnlyObjectProperty<TreeTableColumn<S,T>> tableColumnProperty() {
return getSkinnable().tableColumnProperty();
}
{@inheritDoc} /** {@inheritDoc} */
@Override double leftLabelPadding() {
double leftPadding = super.leftLabelPadding();
// RT-27167: we must take into account the disclosure node and the
// indentation (which is not taken into account by the LabeledSkinBase.
final double height = getCellSize();
TreeTableCell<S,T> cell = getSkinnable();
TreeTableColumn<S,T> tableColumn = cell.getTableColumn();
if (tableColumn == null) return leftPadding;
// check if this column is the TreeTableView treeColumn (i.e. the
// column showing the disclosure node and graphic).
TreeTableView<S> treeTable = cell.getTreeTableView();
if (treeTable == null) return leftPadding;
int columnIndex = treeTable.getVisibleLeafIndex(tableColumn);
TreeTableColumn<S,?> treeColumn = treeTable.getTreeColumn();
if ((treeColumn == null && columnIndex != 0) || (treeColumn != null && ! tableColumn.equals(treeColumn))) {
return leftPadding;
}
TreeTableRow<S> treeTableRow = cell.getTreeTableRow();
if (treeTableRow == null) return leftPadding;
TreeItem<S> treeItem = treeTableRow.getTreeItem();
if (treeItem == null) return leftPadding;
int nodeLevel = treeTable.getTreeItemLevel(treeItem);
if (! treeTable.isShowRoot()) nodeLevel--;
double indentPerLevel = 10;
if (treeTableRow.getSkin() instanceof TreeTableRowSkin) {
indentPerLevel = ((TreeTableRowSkin<?>)treeTableRow.getSkin()).getIndentationPerLevel();
}
leftPadding += nodeLevel * indentPerLevel;
// add in the width of the disclosure node, if one exists
Map<TableColumnBase<?,?>, Double> mdwp = TableRowSkinBase.maxDisclosureWidthMap;
leftPadding += mdwp.containsKey(treeColumn) ? mdwp.get(treeColumn) : 0;
// adding in the width of the graphic on the tree item
Node graphic = treeItem.getGraphic();
leftPadding += graphic == null ? 0 : graphic.prefWidth(height);
return leftPadding;
}
}