/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.internal.decorators;
import static org.xmind.ui.style.StyleUtils.createTopicDecoration;
import static org.xmind.ui.style.StyleUtils.getColor;
import static org.xmind.ui.style.StyleUtils.getInteger;
import static org.xmind.ui.style.StyleUtils.getLineStyle;
import static org.xmind.ui.style.StyleUtils.getString;
import static org.xmind.ui.style.StyleUtils.getStyleSelector;
import static org.xmind.ui.style.StyleUtils.isSameDecoration;
import org.eclipse.draw2d.IFigure;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.xmind.gef.draw2d.decoration.ICorneredDecoration;
import org.xmind.gef.graphicalpolicy.IStyleSelector;
import org.xmind.gef.part.Decorator;
import org.xmind.gef.part.IGraphicalPart;
import org.xmind.gef.part.IPart;
import org.xmind.ui.decorations.ICalloutTopicDecoration;
import org.xmind.ui.decorations.ITopicDecoration;
import org.xmind.ui.internal.figures.TopicFigure;
import org.xmind.ui.mindmap.IBranchPart;
import org.xmind.ui.mindmap.ISheetPart;
import org.xmind.ui.mindmap.MindMapUI;
import org.xmind.ui.resources.ColorUtils;
import org.xmind.ui.style.StyleUtils;
import org.xmind.ui.style.Styles;
import org.xmind.ui.util.MindMapUtils;
public class TopicDecorator extends Decorator {
private static final TopicDecorator instance = new TopicDecorator();
public void decorate(IGraphicalPart part, IFigure figure) {
super.decorate(part, figure);
if (figure instanceof TopicFigure) {
IGraphicalPart branch = MindMapUtils.findBranch(part);
if (branch != null)
part = branch;
decorateTopic(part, getStyleSelector(part), (TopicFigure) figure);
}
}
private void decorateTopic(IGraphicalPart part, IStyleSelector ss,
TopicFigure figure) {
ITopicDecoration shape = figure.getDecoration();
String defaultShapeId = Styles.TOPIC_SHAPE_ROUNDEDRECT;
String shapeKey = Styles.ShapeClass;
if (part instanceof IBranchPart) {
String branchType = ((IBranchPart) part).getBranchType();
if (MindMapUI.BRANCH_CALLOUT.equals(branchType)) {
defaultShapeId = Styles.CALLOUT_TOPIC_SHAPE_BALLOON_ELLIPSE;
shapeKey = Styles.CalloutShapeClass;
}
}
String newShapeId = getString(part, ss, shapeKey, defaultShapeId);
if (!isSameDecoration(shape, newShapeId)) {
shape = createTopicDecoration(part, newShapeId);
figure.setDecoration(shape);
}
if (shape != null) {
String decorationId = shape.getId();
shape.setAlpha(figure, 0xff);
shape.setFillAlpha(figure, 0xff);
shape.setLineAlpha(figure, 0xff);
Color fillColor = getColor(part, ss, Styles.FillColor, decorationId,
Styles.DEF_TOPIC_FILL_COLOR);
shape.setFillColor(figure, fillColor);
shape.setGradient(figure, isGradientColor(part, figure, shape));
int fontSize = 0;
if (figure.getTitle() != null) {
fontSize = getInteger(part, ss, Styles.FontSize, 0);
}
fontSize = fontSize < 56 ? fontSize : 56;
shape.setLeftMargin(figure,
getInteger(part, ss, Styles.LeftMargin, decorationId, 10)
+ (int) (fontSize * 0.5));
shape.setRightMargin(figure,
getInteger(part, ss, Styles.RightMargin, decorationId, 10)
+ (int) (fontSize * 0.5));
shape.setTopMargin(figure,
getInteger(part, ss, Styles.TopMargin, decorationId, 5)
+ (int) (fontSize * 0.1));
shape.setBottomMargin(figure,
getInteger(part, ss, Styles.BottomMargin, decorationId, 5)
+ (int) (fontSize * 0.1));
String defaultColor = ColorUtils
.toString(getColor(part, ss, Styles.LineColor, decorationId,
Styles.DEF_TOPIC_LINE_COLOR));
Color borderLineColor = getColor(part, ss, Styles.BorderLineColor,
decorationId, defaultColor);
shape.setLineColor(figure, borderLineColor);
int defaultWidth = getInteger(part, ss, Styles.LineWidth,
decorationId, 1);
int borderLineWidth = getInteger(part, ss, Styles.BorderLineWidth,
decorationId, defaultWidth);
shape.setLineWidth(figure, borderLineWidth);
int lineStyle = getLineStyle(part, ss, decorationId,
SWT.LINE_SOLID);
shape.setLineStyle(figure, lineStyle);
shape.setVisible(figure, true);
int cornerSize = getInteger(part, ss, Styles.ShapeCorner,
decorationId, 10);
if (shape instanceof ICorneredDecoration) {
((ICorneredDecoration) shape).setCornerSize(figure, cornerSize);
}
if (shape instanceof ICalloutTopicDecoration) {
ICalloutTopicDecoration calloutDecoration = (ICalloutTopicDecoration) shape;
String fromLineClass = MindMapUI.getDecorationManager()
.getDecorationDescriptor(decorationId)
.getDefaultValueProvider(Styles.CalloutLineClass)
.getValue(part, Styles.CalloutLineClass);
calloutDecoration.setFromLineClass(figure, getString(part, ss,
Styles.CalloutLineClass, fromLineClass));
calloutDecoration.setFromLineColor(figure,
getColor(part, ss, Styles.CalloutLineColor,
decorationId,
ColorUtils.toString(borderLineColor)));
String defaultFromFillColor = fillColor == null ? Styles.NONE
: ColorUtils.toString(fillColor);
calloutDecoration.setFromFillColor(figure,
getColor(part, ss, Styles.CalloutFillColor,
decorationId, defaultFromFillColor));
calloutDecoration.setFromLineStyle(figure, getInteger(part, ss,
Styles.CalloutLinePattern, decorationId, lineStyle));
calloutDecoration.setFromLineWidth(figure,
getInteger(part, ss, Styles.CalloutLineWidth,
decorationId, borderLineWidth));
calloutDecoration.setFromLineCorner(figure, getInteger(part, ss,
Styles.CalloutLineCorner, decorationId, cornerSize));
}
}
double angle = StyleUtils.getDouble(part, ss, Styles.RotateAngle, 0);
figure.setRotationDegrees(angle);
}
private boolean isGradientColor(IGraphicalPart part, TopicFigure figure,
ITopicDecoration shape) {
boolean isGraidentColor = false;
IPart parentPart = part.getParent();
while (parentPart != null && !(parentPart instanceof ISheetPart)) {
parentPart = parentPart.getParent();
}
if (parentPart != null && parentPart instanceof ISheetPart) {
String gradient = getStyleSelector((ISheetPart) parentPart)
.getStyleValue((ISheetPart) parentPart,
Styles.GradientColor);
if (Styles.NONE.equals(gradient))
isGraidentColor = false;
else if (Styles.GRADIENT.equals(gradient))
isGraidentColor = true;
}
return isGraidentColor;
}
public static TopicDecorator getInstance() {
return instance;
}
}
