/*
* Freeplane - mind map editor
* Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
*
* This file is created by Dimitry Polivaev in 2008.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.features.edge;
import java.awt.Color;
import java.util.Collection;
import org.freeplane.core.extension.IExtension;
import org.freeplane.core.io.ReadManager;
import org.freeplane.core.io.WriteManager;
import org.freeplane.features.map.MapController;
import org.freeplane.features.map.MapModel;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
import org.freeplane.features.mode.ExclusivePropertyChain;
import org.freeplane.features.mode.IPropertyHandler;
import org.freeplane.features.mode.ModeController;
import org.freeplane.features.styles.IStyle;
import org.freeplane.features.styles.LogicalStyleController;
import org.freeplane.features.styles.MapStyleModel;
/**
* @author Dimitry Polivaev
*/
public class EdgeController implements IExtension {
public static final EdgeStyle STANDARD_EDGE_STYLE = EdgeStyle.EDGESTYLE_BEZIER;
public static final Color STANDARD_EDGE_COLOR = Color.GRAY;
public static EdgeController getController() {
return getController(Controller.getCurrentModeController());
}
public static EdgeController getController(ModeController modeController) {
return (EdgeController) modeController.getExtension(EdgeController.class);
}
public static void install( final EdgeController edgeController) {
Controller.getCurrentModeController().addExtension(EdgeController.class, edgeController);
}
final private ExclusivePropertyChain<Color, NodeModel> colorHandlers;
// private final ModeController modeController;
final private ExclusivePropertyChain<EdgeStyle, NodeModel> styleHandlers;
final private ExclusivePropertyChain<Integer, NodeModel> widthHandlers;
public EdgeController(final ModeController modeController) {
// this.modeController = modeController;
colorHandlers = new ExclusivePropertyChain<Color, NodeModel>();
styleHandlers = new ExclusivePropertyChain<EdgeStyle, NodeModel>();
widthHandlers = new ExclusivePropertyChain<Integer, NodeModel>();
addColorGetter(IPropertyHandler.STYLE, new IPropertyHandler<Color, NodeModel>() {
public Color getProperty(final NodeModel node, final Color currentValue) {
return getStyleEdgeColor(node.getMap(), LogicalStyleController.getController(modeController).getStyles(node));
}
});
addColorGetter(IPropertyHandler.DEFAULT, new IPropertyHandler<Color, NodeModel>() {
public Color getProperty(NodeModel node, final Color currentValue) {
if(node.getParentNode() != null){
return null;
}
return STANDARD_EDGE_COLOR;
}
});
addStyleGetter(IPropertyHandler.STYLE, new IPropertyHandler<EdgeStyle, NodeModel>() {
public EdgeStyle getProperty(final NodeModel node, final EdgeStyle currentValu) {
return getStyleStyle(node.getMap(), LogicalStyleController.getController(modeController).getStyles(node));
}
});
addStyleGetter(IPropertyHandler.DEFAULT, new IPropertyHandler<EdgeStyle, NodeModel>() {
public EdgeStyle getProperty(NodeModel node, final EdgeStyle currentValue) {
if(node.getParentNode() != null){
return null;
}
return STANDARD_EDGE_STYLE;
}
});
addWidthGetter(IPropertyHandler.STYLE, new IPropertyHandler<Integer, NodeModel>() {
public Integer getProperty(final NodeModel node, final Integer currentValue) {
return getStyleWidth(node.getMap(), LogicalStyleController.getController(modeController).getStyles(node));
}
});
addWidthGetter(IPropertyHandler.DEFAULT, new IPropertyHandler<Integer, NodeModel>() {
public Integer getProperty(NodeModel node, final Integer currentValue) {
if(node.getParentNode() != null){
return null;
}
return new Integer(EdgeModel.WIDTH_THIN);
}
});
final MapController mapController = Controller.getCurrentModeController().getMapController();
final ReadManager readManager = mapController.getReadManager();
final WriteManager writeManager = mapController.getWriteManager();
final EdgeBuilder edgeBuilder = new EdgeBuilder(this);
edgeBuilder.registerBy(readManager, writeManager);
}
public IPropertyHandler<Color, NodeModel> addColorGetter(final Integer key,
final IPropertyHandler<Color, NodeModel> getter) {
return colorHandlers.addGetter(key, getter);
}
public IPropertyHandler<EdgeStyle, NodeModel> addStyleGetter(final Integer key,
final IPropertyHandler<EdgeStyle, NodeModel> getter) {
return styleHandlers.addGetter(key, getter);
}
public IPropertyHandler<Integer, NodeModel> addWidthGetter(final Integer key,
final IPropertyHandler<Integer, NodeModel> getter) {
return widthHandlers.addGetter(key, getter);
}
public Color getColor(final NodeModel node) {
return getColor(node, true);
}
public Color getColor(final NodeModel node, final boolean resolveParent) {
final Color color = colorHandlers.getProperty(node);
if(color == null && resolveParent)
return getColor(node.getParentNode());
return color;
}
public EdgeStyle getStyle(final NodeModel node) {
return getStyle(node, true);
}
public EdgeStyle getStyle(final NodeModel node, final boolean resolveParent) {
final EdgeStyle style = styleHandlers.getProperty(node);
if(style == null && resolveParent)
return getStyle(node.getParentNode());
return style;
}
public int getWidth(final NodeModel node) {
return getWidth(node, true);
}
public Integer getWidth(final NodeModel node, final boolean resolveParent) {
final Integer width = widthHandlers.getProperty(node);
if(width == null && resolveParent)
return getWidth(node.getParentNode());
return width;
}
public IPropertyHandler<Color, NodeModel> removeColorGetter(final Integer key) {
return colorHandlers.removeGetter(key);
}
public IPropertyHandler<EdgeStyle, NodeModel> removeStyleGetter(final Integer key) {
return styleHandlers.removeGetter(key);
}
public IPropertyHandler<Integer, NodeModel> removeWidthGetter(final Integer key) {
return widthHandlers.removeGetter(key);
}
private Color getStyleEdgeColor(final MapModel map, final Collection<IStyle> collection) {
final MapStyleModel model = MapStyleModel.getExtension(map);
for(IStyle styleKey : collection){
final NodeModel styleNode = model.getStyleNode(styleKey);
if (styleNode == null) {
continue;
}
final EdgeModel styleModel = EdgeModel.getModel(styleNode);
if (styleModel == null) {
continue;
}
final Color styleColor = styleModel.getColor();
if (styleColor == null) {
continue;
}
return styleColor;
}
return null;
}
private Integer getStyleWidth(final MapModel map, final Collection<IStyle> collection) {
final MapStyleModel model = MapStyleModel.getExtension(map);
for(IStyle styleKey : collection){
final NodeModel styleNode = model.getStyleNode(styleKey);
if (styleNode == null) {
continue;
}
final EdgeModel styleModel = EdgeModel.getModel(styleNode);
if (styleModel == null) {
continue;
}
final int width = styleModel.getWidth();
if (width == EdgeModel.DEFAULT_WIDTH ) {
continue;
}
return width;
}
return null;
}
private EdgeStyle getStyleStyle(final MapModel map, final Collection<IStyle> collection) {
final MapStyleModel model = MapStyleModel.getExtension(map);
for(IStyle styleKey : collection){
final NodeModel styleNode = model.getStyleNode(styleKey);
if (styleNode == null) {
continue;
}
final EdgeModel styleModel = EdgeModel.getModel(styleNode);
if (styleModel == null) {
continue;
}
final EdgeStyle style = styleModel.getStyle();
if (style == null) {
continue;
}
return style;
}
return null;
}
}