org.eclipse.jface.viewers.TableViewerRow Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2006, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Tom Schindl - initial API and implementation
* - fix in bug: 174355,195908,198035,215069,227421
*******************************************************************************/
package org.eclipse.jface.viewers;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Widget;
/**
* TableViewerRow is the Table specific implementation of ViewerRow
* @since 1.0
*
*/
public class TableViewerRow extends ViewerRow {
private TableItem item;
/**
* Create a new instance of the receiver from item.
* @param item
*/
TableViewerRow(TableItem item) {
this.item = item;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getBounds(int)
*/
public Rectangle getBounds(int columnIndex) {
return item.getBounds(columnIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getBounds()
*/
public Rectangle getBounds() {
return item.getBounds();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getItem()
*/
public Widget getItem() {
return item;
}
void setItem(TableItem item) {
this.item = item;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getColumnCount()
*/
public int getColumnCount() {
return item.getParent().getColumnCount();
}
// RAP [if] Override ViewerRow method to respect the column order (needed for fixed columns)
public int getColumnIndex( Point point ) {
int result = -1;
int count = getColumnCount();
// If there are no columns the column-index is 0
if( count == 0 ) {
result = 0;
} else {
int[] columnOrder = item.getParent().getColumnOrder();
for( int i = 0; i < columnOrder.length && result == -1; i++ ) {
if( getBounds( columnOrder[ i ] ).contains( point ) ) {
result = columnOrder[ i ];
}
}
}
return result;
}
// RAPEND
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getBackground(int)
*/
public Color getBackground(int columnIndex) {
return item.getBackground(columnIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getFont(int)
*/
public Font getFont(int columnIndex) {
return item.getFont(columnIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getForeground(int)
*/
public Color getForeground(int columnIndex) {
return item.getForeground(columnIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getImage(int)
*/
public Image getImage(int columnIndex) {
return item.getImage(columnIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getText(int)
*/
public String getText(int columnIndex) {
return item.getText(columnIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#setBackground(int, org.eclipse.swt.graphics.Color)
*/
public void setBackground(int columnIndex, Color color) {
item.setBackground(columnIndex, color);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#setFont(int, org.eclipse.swt.graphics.Font)
*/
public void setFont(int columnIndex, Font font) {
item.setFont(columnIndex, font);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#setForeground(int, org.eclipse.swt.graphics.Color)
*/
public void setForeground(int columnIndex, Color color) {
item.setForeground(columnIndex, color);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#setImage(int, org.eclipse.swt.graphics.Image)
*/
public void setImage(int columnIndex, Image image) {
Image oldImage = item.getImage(columnIndex);
if (oldImage != image) {
item.setImage(columnIndex,image);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#setText(int, java.lang.String)
*/
public void setText(int columnIndex, String text) {
item.setText(columnIndex, text == null ? "" : text); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getControl()
*/
public Control getControl() {
return item.getParent();
}
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 TableViewerRow(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 TableViewerRow(tmp);
}
}
return null;
}
public TreePath getTreePath() {
return new TreePath(new Object[] {item.getData()});
}
public Object clone() {
return new TableViewerRow(item);
}
public Object getElement() {
return item.getData();
}
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);
}
public int getCreationIndex(int visualIndex) {
if( item != null && ! item.isDisposed() && hasColumns() && isValidOrderIndex(visualIndex) ) {
return item.getParent().getColumnOrder()[visualIndex];
}
return super.getCreationIndex(visualIndex);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getTextBounds(int)
*/
public Rectangle getTextBounds(int index) {
return item.getTextBounds(index);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerRow#getImageBounds(int)
*/
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;
}
int getWidth(int columnIndex) {
return item.getParent().getColumn(columnIndex).getWidth();
}
protected boolean scrollCellIntoView(int columnIndex) {
item.getParent().showItem(item);
if( hasColumns() ) {
item.getParent().showColumn(item.getParent().getColumn(columnIndex));
}
return true;
}
}