javafx.scene.control.skin.TableRowSkin Maven / Gradle / Ivy
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package javafx.scene.control.skin;
import java.util.ArrayList;
import java.util.List;
import com.sun.javafx.scene.control.behavior.BehaviorBase;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.property.DoubleProperty;
import javafx.scene.control.Accordion;
import javafx.scene.control.Button;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TablePosition;
import javafx.scene.control.TableRow;
import javafx.scene.control.TableView;
import com.sun.javafx.scene.control.behavior.TableRowBehavior;
import javafx.beans.property.ObjectProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.AccessibleAttribute;
import javafx.scene.Node;
import javafx.scene.control.Control;
import javafx.scene.control.TableColumnBase;
import javafx.scene.control.TableView.TableViewFocusModel;
import javafx.scene.control.TreeTableView;
/**
* Default skin implementation for the {@link TableRow} control.
*
* @see TableRow
* @since 9
*/
public class TableRowSkin extends TableRowSkinBase, TableCell> {
/* *************************************************************************
* *
* Private fields *
* *
**************************************************************************/
private TableViewSkin tableViewSkin;
private final BehaviorBase> behavior;
/* *************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a new TableRowSkin 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 TableRowSkin(TableRow control) {
super(control);
// install default input map for the TableRow control
behavior = new TableRowBehavior<>(control);
// control.setInputMap(behavior.getInputMap());
updateTableViewSkin();
registerChangeListener(control.tableViewProperty(), e -> {
updateTableViewSkin();
for (int i = 0, max = cells.size(); i < max; i++) {
Node n = cells.get(i);
if (n instanceof TableCell) {
((TableCell)n).updateTableView(getSkinnable().getTableView());
}
}
});
setupTreeTableViewListeners();
}
private void setupTreeTableViewListeners() {
TableView tableView = getSkinnable().getTableView();
if (tableView == null) {
getSkinnable().tableViewProperty().addListener(new InvalidationListener() {
@Override public void invalidated(Observable observable) {
getSkinnable().tableViewProperty().removeListener(this);
setupTreeTableViewListeners();
}
});
} else {
DoubleProperty fixedCellSizeProperty = tableView.fixedCellSizeProperty();
if (fixedCellSizeProperty != null) {
registerChangeListener(fixedCellSizeProperty, e -> {
fixedCellSize = fixedCellSizeProperty.get();
fixedCellSizeEnabled = fixedCellSize > 0;
});
fixedCellSize = fixedCellSizeProperty.get();
fixedCellSizeEnabled = fixedCellSize > 0;
// JDK-8144500:
// When in fixed cell size mode, we must listen to the width of the virtual flow, so
// that when it changes, we can appropriately add / remove cells that may or may not
// be required (because we remove all cells that are not visible).
registerChangeListener(getVirtualFlow().widthProperty(), e -> tableView.requestLayout());
}
}
}
/* *************************************************************************
* *
* Public API *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override public void dispose() {
super.dispose();
if (behavior != null) {
behavior.dispose();
}
}
/** {@inheritDoc} */
@Override protected Object queryAccessibleAttribute(AccessibleAttribute attribute, Object... parameters) {
switch (attribute) {
case SELECTED_ITEMS: {
if (getTableView().getSelectionModel() != null) {
// FIXME this could be optimised to iterate over cellsMap only
// (selectedCells could be big, cellsMap is much smaller)
List selection = new ArrayList<>();
int index = getSkinnable().getIndex();
for (TablePosition pos : getTableView().getSelectionModel().getSelectedCells()) {
if (pos.getRow() == index) {
TableColumn column = pos.getTableColumn();
if (column == null) {
/* This is the row-based case */
column = getTableView().getVisibleLeafColumn(0);
}
TableCell cell = cellsMap.get(column).get();
if (cell != null) selection.add(cell);
}
return FXCollections.observableArrayList(selection);
}
}
return FXCollections.observableArrayList();
}
case CELL_AT_ROW_COLUMN: {
int colIndex = (Integer)parameters[1];
TableColumn column = getTableView().getVisibleLeafColumn(colIndex);
if (cellsMap.containsKey(column)) {
return cellsMap.get(column).get();
}
return null;
}
case FOCUS_ITEM: {
TableViewFocusModel fm = getTableView().getFocusModel();
TablePosition focusedCell = fm.getFocusedCell();
TableColumn column = focusedCell.getTableColumn();
if (column == null) {
/* This is the row-based case */
column = getTableView().getVisibleLeafColumn(0);
}
if (cellsMap.containsKey(column)) {
return cellsMap.get(column).get();
}
return null;
}
default:
return super.queryAccessibleAttribute(attribute, parameters);
}
}
/* *************************************************************************
* *
* Private implementation *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override protected TableCell createCell(TableColumnBase tcb) {
TableColumn tableColumn = (TableColumn) tcb;
TableCell cell = (TableCell) tableColumn.getCellFactory().call(tableColumn);
// we set it's TableColumn, TableView and TableRow
cell.updateTableColumn(tableColumn);
cell.updateTableView(tableColumn.getTableView());
cell.updateTableRow(getSkinnable());
return cell;
}
/** {@inheritDoc} */
@Override protected ObservableList> getVisibleLeafColumns() {
return getTableView() == null ? FXCollections.emptyObservableList() : getTableView().getVisibleLeafColumns();
}
/** {@inheritDoc} */
@Override protected void updateCell(TableCell cell, TableRow row) {
cell.updateTableRow(row);
}
/** {@inheritDoc} */
@Override protected TableColumn getTableColumn(TableCell cell) {
return cell.getTableColumn();
}
private TableView getTableView() {
return getSkinnable().getTableView();
}
private void updateTableViewSkin() {
TableView tableView = getSkinnable().getTableView();
if (tableView != null && tableView.getSkin() instanceof TableViewSkin) {
tableViewSkin = (TableViewSkin)tableView.getSkin();
}
}
}
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