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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.javafx.scene.control.skin;
import com.sun.javafx.scene.control.behavior.TableViewBehavior;
import javafx.collections.ObservableList;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.control.SelectionModel;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableRow;
import javafx.scene.control.TableView;
import javafx.scene.control.TableView.TableViewFocusModel;
import javafx.scene.input.MouseEvent;
import javafx.util.Callback;
import java.util.List;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.ObjectProperty;
import javafx.scene.control.ResizeFeaturesBase;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumnBase;
import javafx.scene.control.TablePositionBase;
import javafx.scene.control.TableSelectionModel;
import javafx.scene.layout.Region;
public class TableViewSkin extends TableViewSkinBase, TableViewBehavior, TableRow> {
private final TableView tableView;
public TableViewSkin(final TableView tableView) {
super(tableView, new TableViewBehavior(tableView));
this.tableView = tableView;
flow.setFixedCellSize(tableView.getFixedCellSize());
super.init(tableView);
EventHandler ml = new EventHandler() {
@Override public void handle(MouseEvent event) {
// RT-15127: cancel editing on scroll. This is a bit extreme
// (we are cancelling editing on touching the scrollbars).
// This can be improved at a later date.
if (tableView.getEditingCell() != null) {
tableView.edit(-1, null);
}
// This ensures that the table maintains the focus, even when the vbar
// and hbar controls inside the flow are clicked. Without this, the
// focus border will not be shown when the user interacts with the
// scrollbars, and more importantly, keyboard navigation won't be
// available to the user.
tableView.requestFocus();
}
};
flow.getVbar().addEventFilter(MouseEvent.MOUSE_PRESSED, ml);
flow.getHbar().addEventFilter(MouseEvent.MOUSE_PRESSED, ml);
// init the behavior 'closures'
TableViewBehavior behavior = getBehavior();
behavior.setOnFocusPreviousRow(new Runnable() {
@Override public void run() { onFocusPreviousCell(); }
});
behavior.setOnFocusNextRow(new Runnable() {
@Override public void run() { onFocusNextCell(); }
});
behavior.setOnMoveToFirstCell(new Runnable() {
@Override public void run() { onMoveToFirstCell(); }
});
behavior.setOnMoveToLastCell(new Runnable() {
@Override public void run() { onMoveToLastCell(); }
});
behavior.setOnScrollPageDown(new Callback() {
@Override public Integer call(Void param) { return onScrollPageDown(); }
});
behavior.setOnScrollPageUp(new Callback() {
@Override public Integer call(Void param) { return onScrollPageUp(); }
});
behavior.setOnSelectPreviousRow(new Runnable() {
@Override public void run() { onSelectPreviousCell(); }
});
behavior.setOnSelectNextRow(new Runnable() {
@Override public void run() { onSelectNextCell(); }
});
behavior.setOnSelectLeftCell(new Runnable() {
@Override public void run() { onSelectLeftCell(); }
});
behavior.setOnSelectRightCell(new Runnable() {
@Override public void run() { onSelectRightCell(); }
});
registerChangeListener(tableView.fixedCellSizeProperty(), "FIXED_CELL_SIZE");
}
@Override protected void handleControlPropertyChanged(String p) {
super.handleControlPropertyChanged(p);
if ("FIXED_CELL_SIZE".equals(p)) {
flow.setFixedCellSize(getSkinnable().getFixedCellSize());
}
}
/***************************************************************************
* *
* Listeners *
* *
**************************************************************************/
/***************************************************************************
* *
* Internal Fields *
* *
**************************************************************************/
/***************************************************************************
* *
* Public API *
* *
**************************************************************************/
/** {@inheritDoc} */
@Override protected ObservableList> getVisibleLeafColumns() {
return tableView.getVisibleLeafColumns();
}
@Override protected int getVisibleLeafIndex(TableColumnBase tc) {
return tableView.getVisibleLeafIndex((TableColumn)tc);
}
@Override protected TableColumnBase getVisibleLeafColumn(int col) {
return tableView.getVisibleLeafColumn(col);
}
/** {@inheritDoc} */
@Override protected TableViewFocusModel getFocusModel() {
return tableView.getFocusModel();
}
/** {@inheritDoc} */
@Override protected TablePositionBase getFocusedCell() {
return tableView.getFocusModel().getFocusedCell();
}
/** {@inheritDoc} */
@Override protected TableSelectionModel getSelectionModel() {
return tableView.getSelectionModel();
}
/** {@inheritDoc} */
@Override protected ObjectProperty, TableRow>> rowFactoryProperty() {
return tableView.rowFactoryProperty();
}
/** {@inheritDoc} */
@Override protected ObjectProperty placeholderProperty() {
return tableView.placeholderProperty();
}
/** {@inheritDoc} */
@Override protected ObjectProperty> itemsProperty() {
return tableView.itemsProperty();
}
/** {@inheritDoc} */
@Override protected ObservableList> getColumns() {
return tableView.getColumns();
}
/** {@inheritDoc} */
@Override protected BooleanProperty tableMenuButtonVisibleProperty() {
return tableView.tableMenuButtonVisibleProperty();
}
/** {@inheritDoc} */
@Override protected ObjectProperty> columnResizePolicyProperty() {
// TODO Ugly!
return (ObjectProperty>) (Object) tableView.columnResizePolicyProperty();
}
/** {@inheritDoc} */
@Override protected ObservableList> getSortOrder() {
return tableView.getSortOrder();
}
@Override protected boolean resizeColumn(TableColumnBase tc, double delta) {
return tableView.resizeColumn((TableColumn)tc, delta);
}
/*
* FIXME: Naive implementation ahead
* Attempts to resize column based on the pref width of all items contained
* in this column. This can be potentially very expensive if the number of
* rows is large.
*/
@Override protected void resizeColumnToFitContent(TableColumnBase tc, int maxRows) {
final TableColumn col = (TableColumn) tc;
List items = itemsProperty().get();
if (items == null || items.isEmpty()) return;
Callback cellFactory = col.getCellFactory();
if (cellFactory == null) return;
TableCell cell = (TableCell) cellFactory.call(col);
if (cell == null) return;
// set this property to tell the TableCell we want to know its actual
// preferred width, not the width of the associated TableColumnBase
cell.getProperties().put(TableCellSkin.DEFER_TO_PARENT_PREF_WIDTH, Boolean.TRUE);
// determine cell padding
double padding = 10;
Node n = cell.getSkin() == null ? null : cell.getSkin().getNode();
if (n instanceof Region) {
Region r = (Region) n;
padding = r.snappedLeftInset() + r.snappedRightInset();
}
int rows = maxRows == -1 ? items.size() : Math.min(items.size(), maxRows);
double maxWidth = 0;
for (int row = 0; row < rows; row++) {
cell.updateTableColumn(col);
cell.updateTableView(tableView);
cell.updateIndex(row);
if ((cell.getText() != null && !cell.getText().isEmpty()) || cell.getGraphic() != null) {
getChildren().add(cell);
cell.impl_processCSS(false);
maxWidth = Math.max(maxWidth, cell.prefWidth(-1));
getChildren().remove(cell);
}
}
// RT-23486
double widthMax = maxWidth + padding;
if(tableView.getColumnResizePolicy() == TableView.CONSTRAINED_RESIZE_POLICY) {
widthMax = Math.max(widthMax, col.getWidth());
}
col.impl_setWidth(widthMax);
}
/** {@inheritDoc} */
@Override public int getItemCount() {
return tableView.getItems() == null ? 0 : tableView.getItems().size();
}
/** {@inheritDoc} */
@Override public TableRow createCell() {
TableRow cell;
if (tableView.getRowFactory() != null) {
cell = tableView.getRowFactory().call(tableView);
} else {
cell = new TableRow();
}
cell.updateTableView(tableView);
return cell;
}
@Override protected void horizontalScroll() {
super.horizontalScroll();
if (getSkinnable().getFixedCellSize() > 0) {
flow.requestCellLayout();
}
}
/***************************************************************************
* *
* Layout *
* *
**************************************************************************/
/***************************************************************************
* *
* Private methods *
* *
**************************************************************************/
}