/*******************************************************************************
* Copyright (c) 2011, 2013 Formal Mind GmbH and University of Dusseldorf.
* 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:
* Michael Jastram - initial API and implementation
******************************************************************************/
package org.eclipse.rmf.reqif10.pror.editor.agilegrid;
import org.agilemore.agilegrid.AgileGrid;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
import org.eclipse.rmf.reqif10.AttributeValue;
import org.eclipse.rmf.reqif10.SpecObject;
import org.eclipse.rmf.reqif10.SpecRelation;
import org.eclipse.rmf.reqif10.pror.configuration.ProrPresentationConfiguration;
import org.eclipse.rmf.reqif10.pror.editor.presentation.service.IProrCellRenderer;
import org.eclipse.rmf.reqif10.pror.editor.presentation.service.PresentationEditorInterface;
import org.eclipse.rmf.reqif10.pror.editor.presentation.service.PresentationServiceManager;
import org.eclipse.rmf.reqif10.pror.provider.Reqif10EditPlugin;
import org.eclipse.rmf.reqif10.pror.util.ConfigurationUtil;
import org.eclipse.rmf.reqif10.pror.util.ProrUtil;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
public class ProrCellRenderer extends AbstractProrSpecCellRenderer {
private final Image specHierarchyIcon;
private final Image specObjectIcon;
private final Image specRelationIcon;
/**
* Create a ProRCellRenderer. Note that the associated ContentProvider must
* be a {@link ProrAgileGridContentProvider}.
* @param adapterFactory
*
* @throws ClassCastException
* If the contentProvider associated with the agileGrid is not a
* {@link ProrAgileGridContentProvider}.
*/
public ProrCellRenderer(AgileGrid agileGrid, AdapterFactory adapterFactory,
EditingDomain editingDomain) {
super(agileGrid, adapterFactory);
// FIXME: Remove these static dependencies
specObjectIcon = ExtendedImageRegistry.getInstance().getImage(
Reqif10EditPlugin.INSTANCE
.getImage("full/obj16/SpecObject.png"));
specHierarchyIcon = ExtendedImageRegistry.getInstance().getImage(
Reqif10EditPlugin.INSTANCE
.getImage("full/obj16/SpecHierarchy.png"));
specRelationIcon = ExtendedImageRegistry.getInstance().getImage(
Reqif10EditPlugin.INSTANCE
.getImage("full/obj16/SpecRelation.png"));
}
@Override
protected void doDrawCellContent(GC gc, Rectangle rect, int row, int col) {
ProrAgileGridContentProvider contentProvider = (ProrAgileGridContentProvider) agileGrid
.getContentProvider();
ProrRow prorRow = contentProvider.getProrRow(row);
if (! prorRow.isVisible()) {
updateCellHeight(row, col, 1);
return;
}
// Only do indenting and icon drawing for Column 0
if (col == 0) {
rect = doIndenting(gc, rect, row);
}
int rowHeight = getHeightAndDrawCell(gc, rect, row, col);
// Prevent Scrolling becoming impossible by truncating large cells vertically.
int tableSize = agileGrid.getSize().y;
if (rowHeight > (tableSize * .5)) {
rowHeight = (int) (tableSize * .5);
Color oldForeground = gc.getForeground();
Color oldBackground = gc.getBackground();
gc.setBackground(COLOR_BACKGROUND);
gc.setForeground(COLOR_LINE_LIGHTGRAY);
gc.fillRectangle(rect.x, rect.y + rowHeight + 4 - 20, rect.width, 20);
gc.setForeground(COLOR_RED);
gc.drawLine(rect.x, rect.y + rowHeight + 4 - 20, rect.x + rect.width, rect.y + rowHeight + 4 - 20);
gc.drawText("Truncated", rect.x + 5, rect.y + rowHeight - 15);
gc.setForeground(oldForeground);
gc.setBackground(oldBackground);
}
updateCellHeight(row, col, rowHeight);
}
/**
* Does the actual drawing, without truncating.
*/
public int getHeightAndDrawCell(GC gc, Rectangle rect, int row, int col) {
ProrAgileGridContentProvider contentProvider = (ProrAgileGridContentProvider) agileGrid
.getContentProvider();
ProrRow prorRow = contentProvider.getProrRow(row);
Object content = contentProvider.getContentAt(row, col);
int rowHeight;
IProrCellRenderer renderer = null;
AttributeValue attrValue = contentProvider.getValueForColumn(
prorRow.getSpecElement(), row, col);
// Consult the presentation
ProrPresentationConfiguration config = ConfigurationUtil
.getPresentationConfiguration(attrValue);
if (config != null) {
ItemProviderAdapter ip = ProrUtil.getItemProvider(adapterFactory,
config);
if (ip instanceof PresentationEditorInterface) {
renderer = ((PresentationEditorInterface) ip)
.getCellRenderer(attrValue);
}
}
// See whether there is a default renderer
if (renderer == null) {
renderer = PresentationServiceManager.getDefaultCellRenderer(
attrValue, adapterFactory);
}
if (renderer != null) {
rowHeight = renderer.doDrawCellContent(gc, rect, content);
} else {
rowHeight = doDrawCellContentDefault(gc, rect, content);
}
return rowHeight;
}
/**
* Computes the hierarchy depth and modifies rect to reflect the
* corresponding indenting. It also draws the Icon
*/
public Rectangle doIndenting(GC gc, Rectangle rect, int row) {
ProrAgileGridContentProvider contentProvider = (ProrAgileGridContentProvider) agileGrid
.getContentProvider();
ProrRow prorRow = contentProvider.getProrRow(row);
int offset = prorRow.getLevel() * 8;
Image icon;
if (prorRow.getSpecElement() instanceof SpecObject) {
icon = specObjectIcon;
} else if (prorRow.getSpecElement() instanceof SpecRelation) {
icon = specRelationIcon;
} else {
icon = specHierarchyIcon;
}
gc.drawImage(icon, rect.x + offset + 1, rect.y + (rect.height - 16) / 2);
rect = new Rectangle(rect.x + offset + 18, rect.y, rect.width - offset
- 18, rect.height);
return rect;
}
private void updateCellHeight(int row, int col, int height) {
if (agileGrid.getLayoutAdvisor() instanceof ProrLayoutAdvisor) {
((ProrLayoutAdvisor) agileGrid.getLayoutAdvisor()).setCellHeight(
row, col, height + 2);
}
}
}