/*
* Freeplane - mind map editor
* Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
*
* 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.map.mindmapmode;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.util.Collection;
import java.util.List;
import org.freeplane.core.ui.AFreeplaneAction;
import org.freeplane.core.ui.MenuBuilder;
import org.freeplane.core.ui.components.UITools;
import org.freeplane.core.util.TextUtils;
import org.freeplane.features.map.FreeNode;
import org.freeplane.features.map.MapController;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
import org.freeplane.features.mode.ModeController;
import org.freeplane.features.mode.mindmapmode.MModeController;
import org.freeplane.features.ui.IMapViewManager;
/**
* @author foltin
*/
public class ChangeNodeLevelController {
private class ChangeNodeLevelLeftsAction extends AFreeplaneAction {
/**
*
*/
private static final long serialVersionUID = 1L;
public ChangeNodeLevelLeftsAction() {
super("ChangeNodeLevelLeftsAction");
}
public void actionPerformed(final ActionEvent e) {
final ModeController modeController = Controller.getCurrentModeController();
final NodeModel selectedNode = modeController.getMapController().getSelectedNode();
final IMapViewManager mapViewManager = Controller.getCurrentController().getMapViewManager();
final Component mapViewComponent = mapViewManager.getMapViewComponent();
if (mapViewManager.isLeftTreeSupported(mapViewComponent) && selectedNode.isLeft()) {
moveDownwards(selectedNode);
}
else {
moveUpwards(selectedNode);
}
}
}
private class ChangeNodeLevelRightsAction extends AFreeplaneAction {
/**
*
*/
private static final long serialVersionUID = 1L;
public ChangeNodeLevelRightsAction() {
super("ChangeNodeLevelRightsAction");
}
public void actionPerformed(final ActionEvent e) {
final ModeController modeController = Controller.getCurrentModeController();
final NodeModel selectedNode = modeController.getMapController().getSelectedNode();
final IMapViewManager mapViewManager = Controller.getCurrentController().getMapViewManager();
final Component mapViewComponent = mapViewManager.getMapViewComponent();
if (mapViewManager.isLeftTreeSupported(mapViewComponent) && selectedNode.isLeft()) {
moveUpwards(selectedNode);
}
else {
moveDownwards(selectedNode);
}
}
};
// // final private Controller controller;;
public ChangeNodeLevelController(MModeController modeController) {
// this.controller = controller;
modeController.addAction(new ChangeNodeLevelLeftsAction());
modeController.addAction(new ChangeNodeLevelRightsAction());
}
public void addActionsAtMenuBuilder(final MenuBuilder menuBuilder) {
}
private boolean checkSelection() {
final ModeController currentModeController = Controller.getCurrentModeController();
final MapController mapController = currentModeController.getMapController();
final NodeModel selectedNode = mapController.getSelectedNode();
final NodeModel selectedParent = selectedNode.getParentNode();
if (selectedParent == null) {
UITools.errorMessage(TextUtils.getText("cannot_add_parent_to_root"));
return false;
}
final Collection<NodeModel> selectedNodes = mapController.getSelectedNodes();
for (final NodeModel node : selectedNodes) {
if (node.getParentNode() != selectedParent) {
UITools.errorMessage(TextUtils.getText("cannot_add_parent_diff_parents"));
return false;
}
}
return true;
}
private void moveDownwards( final NodeModel selectedNode) {
if (!checkSelection()) {
return;
}
final NodeModel selectedParent = selectedNode.getParentNode();
final List<NodeModel> selectedNodes = Controller.getCurrentController().getSelection().getSortedSelection(true);
final MMapController mapController = (MMapController) Controller.getCurrentModeController().getMapController();
final int ownPosition = selectedParent.getChildPosition(selectedNode);
NodeModel directSibling = null;
for (int i = ownPosition - 1; i >= 0; --i) {
final NodeModel sibling = (NodeModel) selectedParent.getChildAt(i);
if ((!selectedNodes.contains(sibling)) && selectedNode.isLeft() == sibling.isLeft()) {
directSibling = sibling;
break;
}
}
if (directSibling == null) {
for (int i = ownPosition + 1; i < selectedParent.getChildCount(); ++i) {
final NodeModel sibling = (NodeModel) selectedParent.getChildAt(i);
if ((!selectedNodes.contains(sibling)) && selectedNode.isLeft() == sibling.isLeft()) {
directSibling = sibling;
break;
}
}
}
if (directSibling != null) {
for (final NodeModel node : selectedNodes) {
((FreeNode)Controller.getCurrentModeController().getExtension(FreeNode.class)).undoableDeactivateHook(node);
mapController.moveNode(node, directSibling, directSibling.getChildCount());
}
Controller.getCurrentModeController().getMapController().selectMultipleNodes(selectedNode, selectedNodes);
}
}
private void moveUpwards( final NodeModel selectedNode) {
if (!checkSelection()) {
return;
}
final MMapController mapController = (MMapController) Controller.getCurrentModeController().getMapController();
NodeModel selectedParent = selectedNode.getParentNode();
final List<NodeModel> selectedNodes = Controller.getCurrentController().getSelection().getSortedSelection(true);
int position;
final boolean changeSide;
boolean leftSide = selectedNode.isLeft();
if (selectedParent.isRoot()) {
final IMapViewManager mapViewManager = Controller.getCurrentController().getMapViewManager();
final Component mapViewComponent = mapViewManager.getMapViewComponent();
if (!mapViewManager.isLeftTreeSupported(mapViewComponent)) {
return;
}
changeSide = true;
leftSide = ! leftSide;
final int childCount = selectedParent.getChildCount();
for(position = childCount - 1;
position >= 0 && ((NodeModel)selectedParent.getChildAt(position)).isLeft() != leftSide;
position--);
}
else {
final NodeModel grandParent = selectedParent.getParentNode();
position = grandParent.getChildPosition(selectedParent);
selectedParent = grandParent;
changeSide = false;
}
boolean increasePosition = !changeSide;
for (final NodeModel node : selectedNodes) {
((FreeNode)Controller.getCurrentModeController().getExtension(FreeNode.class)).undoableDeactivateHook(node);
increasePosition = increasePosition || selectedParent.getIndex(node) > position;
if (increasePosition) {
position++;
}
mapController.moveNode(node, selectedParent, position, leftSide, changeSide);
}
mapController.selectMultipleNodes(selectedNode, selectedNodes);
}
}