/*
* Freeplane - mind map editor
* Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
*
* This file is modified 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.mode;
import java.awt.Component;
import java.awt.Container;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import org.freeplane.core.extension.ExtensionContainer;
import org.freeplane.core.extension.IExtension;
import org.freeplane.core.ui.AFreeplaneAction;
import org.freeplane.core.ui.IMenuContributor;
import org.freeplane.core.ui.IUserInputListenerFactory;
import org.freeplane.core.ui.MenuBuilder;
import org.freeplane.core.undo.IActor;
import org.freeplane.core.undo.IUndoHandler;
import org.freeplane.features.map.IExtensionCopier;
import org.freeplane.features.map.ITooltipProvider;
import org.freeplane.features.map.MapController;
import org.freeplane.features.map.MapModel;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.ui.INodeViewLifeCycleListener;
/**
* Derive from this class to implement the Controller for your mode. Overload
* the methods you need for your data model, or use the defaults. There are some
* default Actions you may want to use for easy editing of your model. Take
* MindMapController as a sample.
*/
public class ModeController extends AController {
// // final private Controller controller;
private final ExtensionContainer extensionContainer;
private final Collection<IExtensionCopier> copiers;
private boolean isBlocked = false;
private MapController mapController;
final private Map<Integer, ITooltipProvider> toolTip = new TreeMap<Integer, ITooltipProvider>();
final private List<IMenuContributor> menuContributors = new LinkedList<IMenuContributor>();
/**
* The model, this controller belongs to. It may be null, if it is the
* default controller that does not show a map.
*/
final private List<INodeViewLifeCycleListener> nodeViewListeners = new LinkedList<INodeViewLifeCycleListener>();
/**
* Take care! This listener is also used for modelpopups (as for graphical
* links).
*/
private IUserInputListenerFactory userInputListenerFactory;
final private Controller controller;
/**
* Instantiation order: first me and then the model.
*/
public ModeController(final Controller controller) {
this.controller = controller;
extensionContainer = new ExtensionContainer(new HashMap<Class<? extends IExtension>, IExtension>());
copiers = new LinkedList<IExtensionCopier>();
}
@Override
public void addAction(final AFreeplaneAction action) {
super.addAction(action);
if (mapController != null) {
mapController.addListenerForAction(action);
}
}
public void addExtension(final Class<? extends IExtension> clazz, final IExtension extension) {
extensionContainer.addExtension(clazz, extension);
}
public void registerExtensionCopier(final IExtensionCopier copier) {
copiers.add(copier);
}
public void unregisterExtensionCopier(final IExtensionCopier copier) {
copiers.remove(copier);
}
public void copyExtensions(final Object key, final NodeModel from, final NodeModel to) {
for (final IExtensionCopier copier : copiers) {
copier.copy(key, from, to);
}
}
public void undoableCopyExtensions(final Object key, final NodeModel from, final NodeModel to) {
final MapModel map = to.getMap();
if (map == null) {
copyExtensions(key, from, to);
return;
}
final IUndoHandler undoHandler = map.getExtension(IUndoHandler.class);
if (undoHandler == null) {
copyExtensions(key, from, to);
return;
}
final NodeModel backup = new NodeModel(null);
copyExtensions(key, to, backup);
final IActor actor = new IActor() {
public void undo() {
removeExtensions(key, to);
copyExtensions(key, backup, to);
getMapController().nodeChanged(to);
}
public String getDescription() {
return "undoableCopyExtensions";
}
public void act() {
copyExtensions(key, from, to);
getMapController().nodeChanged(to);
}
};
execute(actor, map);
}
void removeExtensions(final Object key, final NodeModel from, final NodeModel which) {
if (from.equals(which)) {
for (final IExtensionCopier copier : copiers) {
copier.remove(key, from);
}
return;
}
for (final IExtensionCopier copier : copiers) {
copier.remove(key, from, which);
}
}
public void undoableRemoveExtensions(final Object key, final NodeModel from, final NodeModel which) {
final MapModel map = from.getMap();
if (map == null) {
removeExtensions(key, from, which);
return;
}
final IUndoHandler undoHandler = map.getExtension(IUndoHandler.class);
if (undoHandler == null) {
removeExtensions(key, from, which);
return;
}
final NodeModel backup = new NodeModel(null);
copyExtensions(key, from, backup);
final IActor actor = new IActor() {
public void undo() {
copyExtensions(key, backup, from);
getMapController().nodeChanged(from);
}
public String getDescription() {
return "undoableCopyExtensions";
}
public void act() {
removeExtensions(key, from, which);
getMapController().nodeChanged(from);
}
};
execute(actor, map);
}
public void resolveParentExtensions(final Object key, final NodeModel to) {
for (final IExtensionCopier copier : copiers) {
copier.resolveParentExtensions(key, to);
}
}
public void undoableResolveParentExtensions(final Object key, final NodeModel to) {
final MapModel map = to.getMap();
if (map == null) {
resolveParentExtensions(key, to);
return;
}
final IUndoHandler undoHandler = map.getExtension(IUndoHandler.class);
if (undoHandler == null) {
resolveParentExtensions(key, to);
return;
}
final NodeModel backup = new NodeModel(null);
copyExtensions(key, to, backup);
final IActor actor = new IActor() {
public void undo() {
copyExtensions(key, backup, to);
getMapController().nodeChanged(to);
}
public String getDescription() {
return "undoableCopyExtensions";
}
public void act() {
resolveParentExtensions(key, to);
getMapController().nodeChanged(to);
}
};
execute(actor, map);
}
void removeExtensions(final Object key, final NodeModel from) {
for (final IExtensionCopier copier : copiers) {
copier.remove(key, from, from);
}
}
public void addINodeViewLifeCycleListener(final INodeViewLifeCycleListener listener) {
nodeViewListeners.add(listener);
}
public void addMenuContributor(final IMenuContributor contributor) {
menuContributors.add(contributor);
}
public void commit() {
}
public boolean isUndoAction() {
return false;
}
public void execute(final IActor actor, final MapModel map) {
actor.act();
}
@Override
public AFreeplaneAction getAction(final String key) {
final AFreeplaneAction action = super.getAction(key);
if (action != null) {
return action;
}
return getController().getAction(key);
}
public Controller getController() {
return controller;
}
public <T extends IExtension> T getExtension(final Class<T> clazz) {
return extensionContainer.getExtension(clazz);
}
public boolean containsExtension(final Class<? extends IExtension> clazz) {
return extensionContainer.containsExtension(clazz);
}
public void removeExtension(Class<? extends IExtension> clazz) {
extensionContainer.removeExtension(clazz);
}
public MapController getMapController() {
return mapController;
}
public String getModeName() {
return null;
}
public IUserInputListenerFactory getUserInputListenerFactory() {
return userInputListenerFactory;
}
public boolean hasOneVisibleChild(final NodeModel parent) {
int count = 0;
for (final NodeModel child : getMapController().childrenUnfolded(parent)) {
if (child.isVisible()) {
count++;
}
if (count == 2) {
return false;
}
}
return count == 1;
}
public boolean isBlocked() {
return isBlocked;
}
public void onViewCreated(final Container node) {
for (final INodeViewLifeCycleListener hook : nodeViewListeners) {
hook.onViewCreated(node);
}
}
public void onViewRemoved(final Container node) {
for (final INodeViewLifeCycleListener hook : nodeViewListeners) {
hook.onViewRemoved(node);
}
}
@Override
public AFreeplaneAction removeAction(final String key) {
final AFreeplaneAction action = super.removeAction(key);
if (mapController != null) {
mapController.removeListenerForAction(action);
}
return action;
}
public void removeINodeViewLifeCycleListener(final INodeViewLifeCycleListener listener) {
nodeViewListeners.remove(listener);
}
public void rollback() {
}
public void setBlocked(final boolean isBlocked) {
this.isBlocked = isBlocked;
}
public void setMapController(final MapController mapController) {
this.mapController = mapController;
addExtension(MapController.class, mapController);
}
public void setUserInputListenerFactory(final IUserInputListenerFactory userInputListenerFactory) {
this.userInputListenerFactory = userInputListenerFactory;
}
/*
* (non-Javadoc)
* @see freeplane.modes.ModeController#setVisible(boolean)
*/
public void setVisible(final boolean visible) {
final NodeModel node = getController().getSelection().getSelected();
if (visible) {
mapController.onSelect(node);
}
else {
if (node != null) {
mapController.onDeselect(node);
}
}
}
public void shutdown() {
}
public void startTransaction() {
}
public void forceNewTransaction() {
}
/**
* This method is called after and before a change of the map mapView. Use
* it to perform the actions that cannot be performed at creation time.
*/
public void startup() {
}
public void updateMenus(String menuStructure, final Set<String> plugins) {
final IUserInputListenerFactory userInputListenerFactory = getUserInputListenerFactory();
userInputListenerFactory.getAcceleratorManager().loadDefaultAcceleratorPresets();
userInputListenerFactory.updateMenus(menuStructure, plugins);
final MenuBuilder menuBuilder = userInputListenerFactory.getMenuBuilder(MenuBuilder.class);
final Iterator<IMenuContributor> iterator = menuContributors.iterator();
while (iterator.hasNext()) {
iterator.next().updateMenus(this, menuBuilder);
}
}
public boolean canEdit() {
return false;
}
public String createToolTip(final NodeModel node, Component view) {
// perhaps we should use the solution presented in the 3rd answer at
// http://stackoverflow.com/questions/3355469/1-pixel-table-border-in-jtextpane-using-html
// html/css example: http://www.wer-weiss-was.de/theme35/article3555660.html
final String style = "<style type='text/css'>" //
+ " body { font-size: 10pt; }" // FIXME: copy from NoteController.setNoteTooltip() ?
+ "</style>";
final StringBuilder text = new StringBuilder("<html><head>"+style+"</head><body>");
boolean tooltipSet = false;
for (final ITooltipProvider provider : toolTip.values()) {
String value = provider.getTooltip(this, node, view);
if (value == null) {
continue;
}
value = value.replace("<html>", "<div>");
value = value.replaceAll("\\s*</?(body|head)>", "");
value = value.replace("<td>", "<td style='background-color: white'>");
value = value.replace("</html>", "</div>");
if (tooltipSet) {
text.append("<br>");
}
text.append(value);
tooltipSet = true;
}
if (tooltipSet) {
text.append("</body></html>");
// System.err.println("tooltip=" + text);
return text.toString();
}
return null;
}
/**
*/
public void addToolTipProvider(final Integer key, final ITooltipProvider tooltip) {
if (tooltip == null) {
if (toolTip.containsKey(key)) {
toolTip.remove(key);
}
}
else {
toolTip.put(key, tooltip);
}
}
}