/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.tableedit;
import java.util.List;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.handles.HandleBounds;
import org.eclipse.gef.handles.MoveHandleLocator;
import org.eclipse.jst.pagedesigner.editpolicies.ITableEditAdapter;
/**
* @author mengbo
* @version 1.5
*/
public class TableColumnHandleLocator extends MoveHandleLocator {
GraphicalEditPart _tablePart;
/**
* @param tablePart
*/
public TableColumnHandleLocator(GraphicalEditPart tablePart) {
super(tablePart.getFigure());
_tablePart = tablePart;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.handles.MoveHandleLocator#relocate(org.eclipse.draw2d.IFigure)
*/
public void relocate(IFigure target) {
Rectangle bounds;
if (getReference() instanceof HandleBounds) {
bounds = ((HandleBounds) getReference()).getHandleBounds();
} else {
bounds = getReference().getBounds();
}
Insets referenceInsets = getReference().getInsets();
Rectangle r = new Rectangle(bounds.x + referenceInsets.left, bounds.y
+ bounds.height, bounds.width - referenceInsets.getWidth(),
TableEditConst.HEIGHT);
getReference().translateToAbsolute(r);
target.translateToRelative(r);
target.setBounds(r);
relocateChildren(target, getReference());
}
/**
* @param target
* @param reference
*/
private void relocateChildren(IFigure target, IFigure reference) {
// As user may removed columns/rows, so need to recalculate columns.
TableColumnHandle tableColumnHandle = (TableColumnHandle) target;
tableColumnHandle.removeAll();
tableColumnHandle.setupColumns();
// ---------------------------
List children = target.getChildren();
ITableEditAdapter tableAdapter = TableEditHelper
.getTableEditAdapter(this._tablePart);
if (tableAdapter == null) {
// XXX: what should we do if we found it is no longer table?
// here just skip
return;
}
for (int i = 0, size = children.size(); i < size; i++) {
Rectangle rect = null;
IFigure child = (IFigure) children.get(i);
if (child instanceof ColumnHandle) {
ColumnHandle columnHandle = (ColumnHandle) child;
int columnIndex = columnHandle.getIndex();
rect = new Rectangle(tableAdapter.getColumnStart(columnIndex),
0, tableAdapter.getColumnWidth(columnIndex),
TableEditConst.HEIGHT);
} else if (child instanceof ColumnResizeHandle) {
ColumnResizeHandle resizeHandle = (ColumnResizeHandle) child;
int columnIndex = resizeHandle.getColumnIndex();
rect = new Rectangle(tableAdapter
.getColumnResizeStart(columnIndex), 0, tableAdapter
.getColumnResizeWidth(), TableEditConst.HEIGHT);
} else {
// should not happen.
}
if (rect != null) {
child.setBounds(rect);
}
}
}
}