/*******************************************************************************
* 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 java.text.DateFormat;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
import org.agilemore.agilegrid.AgileGrid;
import org.agilemore.agilegrid.Cell;
import org.agilemore.agilegrid.IContentProvider;
import org.agilemore.agilegrid.SWTResourceManager;
import org.agilemore.agilegrid.renderers.TextCellRenderer;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.rmf.reqif10.AttributeValue;
import org.eclipse.rmf.reqif10.AttributeValueBoolean;
import org.eclipse.rmf.reqif10.AttributeValueXHTML;
import org.eclipse.rmf.reqif10.EnumValue;
import org.eclipse.rmf.reqif10.XhtmlContent;
import org.eclipse.rmf.reqif10.common.util.ProrXhtmlSimplifiedHelper;
import org.eclipse.rmf.reqif10.common.util.ReqIF10Util;
import org.eclipse.rmf.reqif10.pror.editor.presentation.Reqif10EditorPlugin;
import org.eclipse.rmf.reqif10.pror.util.ProrUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
/**
* @author Lukas Ladenberger
* @author Ingo Weigelt
* @author Michael Jastram
*/
public class AbstractProrCellRenderer extends TextCellRenderer {
protected final AdapterFactory adapterFactory;
public static Color COLOR_RED = SWTResourceManager.getColor(SWT.COLOR_RED);
private final Image IMG_WARN_FALSE = PlatformUI.getWorkbench()
.getSharedImages().getImage(ISharedImages.IMG_OBJS_INFO_TSK);
private final Image IMG_WARN_TRUE = PlatformUI.getWorkbench()
.getSharedImages().getImage(ISharedImages.IMG_OBJS_WARN_TSK);
private Shell xhtmlSimplifiedToolTip;
private boolean isXhtmlSimplifiedListenerInit = false;
private IContentProvider contentProvider;
/**
* @param agileGrid
*/
public AbstractProrCellRenderer(AgileGrid agileGrid,
AdapterFactory adapterFactory) {
super(agileGrid);
this.adapterFactory = adapterFactory;
this.contentProvider = agileGrid.getContentProvider();
}
public AbstractProrCellRenderer(AgileGrid agileGrid) {
this(agileGrid, null);
}
protected int doDrawCellContentDefault(GC gc, Rectangle rect, Object value) {
String stringValue;
Image img = null;
boolean defaultValue = false;
if (value instanceof AttributeValue) {
defaultValue = ((AttributeValue) value).eContainer() == null;
Object v = ReqIF10Util.getTheValue((AttributeValue) value);
if (v instanceof GregorianCalendar) {
GregorianCalendar cal = (GregorianCalendar) v;
Date date = cal.getTime();
stringValue = DateFormat.getDateTimeInstance().format(date);
} else if (v instanceof List<?>) {
stringValue = convertListToString((List<?>) v);
} else if (v instanceof XhtmlContent && v != null) {
if (!isXhtmlSimplifiedListenerInit)
initXhtmlSimplifiedToolTipListener();
XhtmlContent xhtmlContent = (XhtmlContent) v;
AttributeValueXHTML atrXhtml = (AttributeValueXHTML) value;
stringValue = ProrXhtmlSimplifiedHelper
.xhtmlToSimplifiedString(xhtmlContent);
boolean formattedAttribute = ProrXhtmlSimplifiedHelper
.isFormattedAttribute(xhtmlContent);
if (!atrXhtml.isSetSimplified() && formattedAttribute) {
img = IMG_WARN_FALSE;
} else if (atrXhtml.isSetSimplified()
&& atrXhtml.getTheOriginalValue() != null) {
img = IMG_WARN_TRUE;
}
} else if (value instanceof AttributeValueBoolean) {
if (!((AttributeValueBoolean) value).isSetTheValue()) {
stringValue = "";
} else {
stringValue = (Boolean) v ? "\u2612" : "\u2610";
}
} else {
stringValue = v == null ? "" : v.toString();
}
} else {
stringValue = value != null ? value.toString() : "";
}
int alignment = getAlignment();
// We must replace tabs with spaces, as it can screw up the wrapping algorithm.
String wrappedText = wrapText(gc, stringValue.replace('\t', ' '), rect.width);
gc.setForeground(defaultValue ? COLOR_LINE_DARKGRAY : COLOR_TEXT);
drawTextImage(gc, wrappedText, alignment, img, alignment, rect.x + 3,
rect.y + 2, rect.width - 6, rect.height - 4);
return gc.textExtent(wrappedText).y;
}
private String convertListToString(List<?> list) {
String stringValue;
StringBuffer sb = new StringBuffer();
for (Object object : list) {
if (object instanceof EnumValue) {
ItemProviderAdapter itemProvider = ProrUtil.getItemProvider(
adapterFactory, object);
sb.append(itemProvider.getText(object));
} else {
sb.append(object.toString());
}
sb.append("\n");
}
if (sb.length() > 0)
sb.delete(sb.length() - 1, sb.length());
stringValue = sb.toString();
return stringValue;
}
// Workaround: Upon closing a UIEditor and reopening a new one, the color
// got
// disposed. No idea why. This is a workaround.
protected void initialColor(int row, int col) {
if (agileGrid.isCellSelected(row, col)) {
background = SWTResourceManager.getColor(223, 227, 237);
} else {
background = SWTResourceManager.getColor(SWT.COLOR_WHITE);
}
}
@Override
protected void drawCellContent(GC gc, Rectangle rect, int row, int col) {
this.foreground = this.getDefaultForeground();
this.background = this.getDefaultBackground();
if (agileGrid instanceof ProrAgileGrid) {
ProrAgileGrid grid = (ProrAgileGrid) agileGrid;
if (grid.dndHoverCell != null && row == grid.dndHoverCell.row
&& grid.dndHoverDropMode == ProrAgileGrid.DND_DROP_AS_CHILD) {
this.background = COLOR_BGROWSELECTION;
}
}
// initial color for current cell.
initialColor(row, col);
// Clear background.
clearCellContentRect(gc, rect);
// draw text and image in the given area.
doDrawCellContent(gc, rect, row, col);
}
/**
* This method initializes the tool tip listener for keywords. TODO:
* Messages should be more generic!
*/
private void initXhtmlSimplifiedToolTipListener() {
Listener l = new Listener() {
public void handleEvent(Event e) {
switch (e.type) {
case SWT.Dispose:
case SWT.KeyDown:
case SWT.MouseMove: {
if (xhtmlSimplifiedToolTip == null)
break;
xhtmlSimplifiedToolTip.dispose();
xhtmlSimplifiedToolTip = null;
break;
}
case SWT.MouseHover: {
Point mousePointer = new Point(e.x, e.y);
Cell cell = agileGrid.getCell(mousePointer.x,
mousePointer.y);
Rectangle cellRect = agileGrid.getCellRect(cell.row,
cell.column);
Rectangle rectNew = new Rectangle(cellRect.x, cellRect.y
+ (cellRect.height / 2) - 12, 25, 25);
if (rectNew.contains(mousePointer)) {
if (xhtmlSimplifiedToolTip != null
&& !xhtmlSimplifiedToolTip.isDisposed())
xhtmlSimplifiedToolTip.dispose();
Point displayPointer = agileGrid
.toDisplay(mousePointer);
Object contentAt = contentProvider.getContentAt(
cell.row, cell.column);
if (contentAt instanceof AttributeValueXHTML) {
AttributeValueXHTML atrXhtml = (AttributeValueXHTML) contentAt;
String msg = "_UI_Reqif10XhtmlIsSimplifiedFalse";
if (atrXhtml.isSimplified()
&& atrXhtml.getTheOriginalValue() != null)
msg = "_UI_Reqif10XhtmlIsSimplifiedTrue";
xhtmlSimplifiedToolTip = showTooltip(Display
.getDefault().getActiveShell(),
displayPointer.x + 10,
displayPointer.y + 10,
Reqif10EditorPlugin.INSTANCE.getString(msg));
}
}
}
}
}
};
agileGrid.addListener(SWT.Dispose, l);
agileGrid.addListener(SWT.KeyDown, l);
agileGrid.addListener(SWT.MouseMove, l);
agileGrid.addListener(SWT.MouseHover, l);
isXhtmlSimplifiedListenerInit = true;
}
private Shell showTooltip(Shell parent, int x, int y, String msg) {
Shell tooltip = new Shell(parent, SWT.TOOL | SWT.ON_TOP);
tooltip.setLayout(new GridLayout());
tooltip.setBackground(tooltip.getDisplay().getSystemColor(
SWT.COLOR_INFO_BACKGROUND));
tooltip.setBackgroundMode(SWT.INHERIT_FORCE);
Label lbContent = new Label(tooltip, SWT.NONE);
lbContent.setText(msg);
Point lbContentSize = lbContent.computeSize(SWT.DEFAULT, SWT.DEFAULT);
int width = lbContentSize.x + 10;
int height = lbContentSize.y + 10;
tooltip.setBounds(x, y, width, height);
tooltip.setVisible(true);
return tooltip;
}
}