/**
* Copyright (c) 2005-2012 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
package org.python.pydev.utils.tablecombo;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.ViewerRow;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Widget;
/**
* From http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.nebula/org.eclipse.nebula.widgets.tablecombo/src/org/eclipse/nebula/?root=Technology_Project
*
* TableComboViewerRow is basically identical to the TableRow class with a
* few modifications to reference the TableComboViewer row instead of a standar
* TableViewer row.
*
*/
/**
* @author martyj
*
*/
public class TableComboViewerRow extends ViewerRow {
private TableItem item;
/**
* Create a new instance of the receiver from item.
* @param item
*/
TableComboViewerRow(TableItem item) {
this.item = item;
}
/**
* {@inheritDoc}
*/
@Override
public Rectangle getBounds(int columnIndex) {
return item.getBounds(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public Rectangle getBounds() {
return item.getBounds();
}
/**
* {@inheritDoc}
*/
@Override
public Widget getItem() {
return item;
}
void setItem(TableItem item) {
this.item = item;
}
/**
* {@inheritDoc}
*/
@Override
public int getColumnCount() {
return item.getParent().getColumnCount();
}
/**
* {@inheritDoc}
*/
@Override
public Color getBackground(int columnIndex) {
return item.getBackground(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public Font getFont(int columnIndex) {
return item.getFont(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public Color getForeground(int columnIndex) {
return item.getForeground(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public Image getImage(int columnIndex) {
return item.getImage(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public String getText(int columnIndex) {
return item.getText(columnIndex);
}
/**
* {@inheritDoc}
*/
@Override
public void setBackground(int columnIndex, Color color) {
item.setBackground(columnIndex, color);
}
/**
* {@inheritDoc}
*/
@Override
public void setFont(int columnIndex, Font font) {
item.setFont(columnIndex, font);
}
/**
* {@inheritDoc}
*/
@Override
public void setForeground(int columnIndex, Color color) {
item.setForeground(columnIndex, color);
}
/**
* {@inheritDoc}
*/
@Override
public void setImage(int columnIndex, Image image) {
Image oldImage = item.getImage(columnIndex);
if (oldImage != image) {
item.setImage(columnIndex, image);
}
}
/**
* {@inheritDoc}
*/
@Override
public void setText(int columnIndex, String text) {
item.setText(columnIndex, text == null ? "" : text); //$NON-NLS-1$
}
/**
* {@inheritDoc}
*/
@Override
public Control getControl() {
return item.getParent();
}
/**
* {@inheritDoc}
*/
@Override
public ViewerRow getNeighbor(int direction, boolean sameLevel) {
if (direction == ViewerRow.ABOVE) {
return getRowAbove();
} else if (direction == ViewerRow.BELOW) {
return getRowBelow();
} else {
throw new IllegalArgumentException("Illegal value of direction argument."); //$NON-NLS-1$
}
}
private ViewerRow getRowAbove() {
int index = item.getParent().indexOf(item) - 1;
if (index >= 0) {
return new TableComboViewerRow(item.getParent().getItem(index));
}
return null;
}
private ViewerRow getRowBelow() {
int index = item.getParent().indexOf(item) + 1;
if (index < item.getParent().getItemCount()) {
TableItem tmp = item.getParent().getItem(index);
//TODO NULL can happen in case of VIRTUAL => How do we deal with that
if (tmp != null) {
return new TableComboViewerRow(tmp);
}
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
public TreePath getTreePath() {
return new TreePath(new Object[] { item.getData() });
}
/**
* {@inheritDoc}
*/
@Override
public Object clone() {
return new TableComboViewerRow(item);
}
/**
* {@inheritDoc}
*/
@Override
public Object getElement() {
return item.getData();
}
/**
* {@inheritDoc}
*/
@Override
public int getVisualIndex(int creationIndex) {
int[] order = item.getParent().getColumnOrder();
for (int i = 0; i < order.length; i++) {
if (order[i] == creationIndex) {
return i;
}
}
return super.getVisualIndex(creationIndex);
}
/**
* {@inheritDoc}
*/
@Override
public int getCreationIndex(int visualIndex) {
if (item != null && !item.isDisposed() && hasColumns() && isValidOrderIndex(visualIndex)) {
return item.getParent().getColumnOrder()[visualIndex];
}
return super.getCreationIndex(visualIndex);
}
/**
* {@inheritDoc}
*/
@Override
public Rectangle getTextBounds(int index) {
return item.getTextBounds(index);
}
/**
* {@inheritDoc}
*/
@Override
public Rectangle getImageBounds(int index) {
return item.getImageBounds(index);
}
private boolean hasColumns() {
return this.item.getParent().getColumnCount() != 0;
}
private boolean isValidOrderIndex(int currentIndex) {
return currentIndex < this.item.getParent().getColumnOrder().length;
}
@Override
protected boolean scrollCellIntoView(int columnIndex) {
item.getParent().showItem(item);
if (hasColumns()) {
item.getParent().showColumn(item.getParent().getColumn(columnIndex));
}
return true;
}
}