/*******************************************************************************
* Copyright 2011 Google Inc. All Rights Reserved.
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
package com.google.gdt.eclipse.designer.gef.policy.grid.header.edit;
import com.google.gdt.eclipse.designer.gef.policy.grid.header.actions.DimensionHeaderAction;
import com.google.gdt.eclipse.designer.gef.policy.grid.header.actions.SetAlignmentColumnAction;
import com.google.gdt.eclipse.designer.model.widgets.panels.grid.ColumnInfo;
import com.google.gdt.eclipse.designer.model.widgets.panels.grid.HTMLTableInfo;
import org.eclipse.wb.draw2d.Figure;
import org.eclipse.wb.draw2d.Graphics;
import org.eclipse.wb.draw2d.IColorConstants;
import org.eclipse.wb.draw2d.geometry.Dimension;
import org.eclipse.wb.draw2d.geometry.Interval;
import org.eclipse.wb.draw2d.geometry.Rectangle;
import org.eclipse.wb.gef.core.EditPart;
import org.eclipse.wb.gef.graphical.GraphicalEditPart;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.swt.graphics.Image;
/**
* {@link EditPart} for {@link ColumnInfo} header of {@link MigLayoutInfo}.
*
* @author scheglov_ke
* @coverage gwt.gef.policy
*/
public class ColumnHeaderEditPart extends DimensionHeaderEditPart<ColumnInfo> {
private final ColumnInfo m_column;
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
public ColumnHeaderEditPart(HTMLTableInfo panel, ColumnInfo column, Figure containerFigure) {
super(panel, column, containerFigure);
m_column = column;
}
////////////////////////////////////////////////////////////////////////////
//
// Figure
//
////////////////////////////////////////////////////////////////////////////
@Override
protected Figure createFigure() {
Figure newFigure = new Figure() {
@Override
protected void paintClientArea(Graphics graphics) {
Rectangle r = getClientArea();
// draw rectangle
graphics.setForegroundColor(IColorConstants.buttonDarker);
graphics.drawLine(r.x, r.y, r.x, r.bottom());
graphics.drawLine(r.right() - 1, r.y, r.right() - 1, r.bottom());
// draw column index
int titleLeft;
{
String title = "" + getIndex();
Dimension textExtents = graphics.getTextExtent(title);
if (r.width < 3 + textExtents.width + 3) {
return;
}
// draw title
titleLeft = r.x + (r.width - textExtents.width) / 2;
int y = r.y + (r.height - textExtents.height) / 2;
graphics.setForegroundColor(IColorConstants.black);
graphics.drawText(title, titleLeft, y);
}
// draw alignment indicator
if (titleLeft - r.x > 3 + 7 + 3) {
Image image = m_column.getAlignment().getSmallImage();
if (image != null) {
int x = r.x + 2;
drawCentered(graphics, image, x);
}
}
}
private void drawCentered(Graphics graphics, Image image, int x) {
int y = (getBounds().height - image.getBounds().height) / 2;
graphics.drawImage(image, x, y);
}
};
//
newFigure.setFont(DEFAULT_FONT);
newFigure.setOpaque(true);
return newFigure;
}
@Override
protected void refreshVisuals() {
super.refreshVisuals();
Figure figure = getFigure();
// bounds
{
int index = getIndex();
Interval interval = m_panel.getGridInfo().getColumnIntervals()[index];
Rectangle bounds =
new Rectangle(interval.begin,
0,
interval.length + 1,
((GraphicalEditPart) getParent()).getFigure().getSize().height);
bounds.translate(getOffset().x, 0);
figure.setBounds(bounds);
}
}
////////////////////////////////////////////////////////////////////////////
//
// IHeaderMenuProvider
//
////////////////////////////////////////////////////////////////////////////
public void buildContextMenu(IMenuManager manager) {
// operations
{
manager.add(new DimensionHeaderAction<ColumnInfo>(this, "Insert Column") {
@Override
protected void run(ColumnInfo dimension, int index) throws Exception {
m_panel.insertColumn(index);
}
});
if (!m_column.isLast()) {
manager.add(new DimensionHeaderAction<ColumnInfo>(this, "Append Column") {
@Override
protected void run(ColumnInfo dimension, int index) throws Exception {
m_panel.insertColumn(index + 1);
}
});
}
manager.add(new DimensionHeaderAction<ColumnInfo>(this, "Delete Column",
HTMLTableInfo.getImageDescriptor("h/menu/delete.gif")) {
@Override
protected void run(ColumnInfo dimension, int index) throws Exception {
m_panel.deleteColumn(index);
}
});
manager.add(new DimensionHeaderAction<ColumnInfo>(this, "Clear Column") {
@Override
protected void run(ColumnInfo dimension, int index) throws Exception {
m_panel.clearColumn(index);
}
});
}
// alignment
{
manager.add(new Separator());
manager.add(new SetAlignmentColumnAction(this, "Default", ColumnInfo.Alignment.UNKNOWN));
manager.add(new SetAlignmentColumnAction(this, "Left", ColumnInfo.Alignment.LEFT));
manager.add(new SetAlignmentColumnAction(this, "Center", ColumnInfo.Alignment.CENTER));
manager.add(new SetAlignmentColumnAction(this, "Right", ColumnInfo.Alignment.RIGHT));
}
}
@Override
protected void editDimension() {
}
}