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Viewing changes to freemind/accessories/plugins/ChangeNodeLevelAction.java

  • Committer: Bazaar Package Importer
  • Author(s): Benjamin Drung
  • Date: 2010-01-03 14:19:19 UTC
  • mfrom: (2.1.1 sid)
  • Revision ID: james.westby@ubuntu.com-20100103141919-m5az7dkicy21hqop
Tags: 0.9.0~rc6+dfsg-1ubuntu1
https://launchpad.net/bugs/182927
* Merge from Debian unstable (LP: #182927), remaining changes:
  - debian/copyright: add license/copyright for
    freemind/freemind/main/ExampleFileFilter.java

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freemind/accessories/plugins/ChangeNodeLevelAction.java
 
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/*FreeMind - A Program for creating and viewing Mindmaps
 
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 *Copyright (C) 2000-2006 by Christian Foltin
 
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 *See COPYING for Details
 
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 *
 
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 *This program is free software; you can redistribute it and/or
 
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 *modify it under the terms of the GNU General Public License
 
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 *as published by the Free Software Foundation; either version 2
 
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 *of the License, or (at your option) any later version.
 
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 *
 
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 *This program is distributed in the hope that it will be useful,
 
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 *but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *GNU General Public License for more details.
 
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 *
 
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 *You should have received a copy of the GNU General Public License
 
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 *along with this program; if not, write to the Free Software
 
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 *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
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 */
 
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/* $Id: ChangeNodeLevelAction.java,v 1.1.2.2.2.2 2007/04/21 15:11:20 dpolivaev Exp $ */
 
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/*
 
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 * Created on 19.02.2006
 
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 *
 
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 */
 
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package accessories.plugins;
 
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import java.awt.datatransfer.Transferable;
 
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import java.util.Iterator;
 
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import java.util.LinkedList;
 
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import java.util.List;
 
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import java.util.Vector;
 
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import freemind.main.Tools;
 
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import freemind.modes.MindMapNode;
 
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import freemind.modes.mindmapmode.hooks.MindMapNodeHookAdapter;
 
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/**
 
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 * @author foltin
 
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 */
 
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public class ChangeNodeLevelAction extends MindMapNodeHookAdapter {
 
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        /**
 
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         *
 
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         */
 
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        public ChangeNodeLevelAction() {
 
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                super();
 
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        }
 
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        /*
 
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         * (non-Javadoc)
 
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         *
 
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         * @see freemind.extensions.NodeHook#invoke(freemind.modes.MindMapNode,
 
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         *      java.util.List)
 
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         */
 
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        public void invoke(MindMapNode rootNode) {
 
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                // we dont need node.
 
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                MindMapNode selectedNode;
 
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                List selectedNodes;
 
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                {
 
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                        MindMapNode focussed = getMindMapController().getSelected();
 
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                        List selecteds = getMindMapController().getSelecteds();
 
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                        selectedNode = focussed;
 
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                        selectedNodes = selecteds;
 
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                }
 
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                // bug fix: sort to make independent by user's selection:
 
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                getMindMapController().sortNodesByDepth(selectedNodes);
 
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                if (selectedNode.isRoot()) {
 
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                        getMindMapController().getController().errorMessage(
 
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                                        getResourceString("cannot_add_parent_to_root"));
 
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                        return;
 
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                }
 
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                boolean upwards = Tools.safeEquals("left",
 
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                                getResourceString("action_type")) != selectedNode.isLeft();
 
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                // Make sure the selected nodes all have the same parent
 
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                // (this restriction is to simplify the action, and could
 
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                // possibly be removed in the future, when we have undo)
 
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                // Also make sure that none of the selected nodes are the root node
 
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                MindMapNode selectedParent = selectedNode.getParentNode();
 
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                for (Iterator it = selectedNodes.iterator(); it.hasNext();) {
 
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                        MindMapNode node = (MindMapNode) it.next();
 
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                        if (node.getParentNode() != selectedParent) {
 
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                                getMindMapController().getController().errorMessage(
 
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                                                getResourceString("cannot_add_parent_diff_parents"));
 
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                                return;
 
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                        }
 
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                        if (node == rootNode) {
 
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                                getMindMapController().getController().errorMessage(
 
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                                                getResourceString("cannot_add_parent_to_root"));
 
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                                return;
 
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                        }
 
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                }
 
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        // collect node ids:
 
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        String selectedNodeId = selectedNode.getObjectId(getController());
 
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        Vector selectedNodesId = new Vector();
 
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        for (Iterator iter = selectedNodes.iterator(); iter.hasNext();)
 
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        {
 
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            MindMapNode node = (MindMapNode) iter.next();
 
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            selectedNodesId.add(node.getObjectId(getController()));
 
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        }
 
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                if (upwards) {
 
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                        if (selectedParent.isRoot()) {
 
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                                // change side of the items:
 
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                                boolean isLeft = selectedNode.isLeft();
 
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                                Transferable copy = getMindMapController().cut(selectedNodes);
 
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                                getMindMapController().paste(copy, selectedParent, false, !isLeft);
 
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                                select(selectedNodeId, selectedNodesId);
 
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                                return;
 
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                        }
 
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                        // determine child pos of parent
 
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                        MindMapNode grandParent = selectedParent.getParentNode();
 
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                        int parentPosition = grandParent.getChildPosition(selectedParent);
 
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                        boolean isLeft = selectedParent.isLeft();
 
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                        Transferable copy = getMindMapController().cut(selectedNodes);
 
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                        if (parentPosition == grandParent.getChildCount() - 1) {
 
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                                getMindMapController().paste(copy, grandParent, false, isLeft);
 
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                        } else {
 
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                                getMindMapController().paste(
 
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                                                copy,
 
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                                                (MindMapNode) grandParent
 
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                                                                .getChildAt(parentPosition + 1), true, isLeft);
 
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                        }
 
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                        select(selectedNodeId, selectedNodesId);
 
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                } else {
 
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                        int ownPosition = selectedParent.getChildPosition(selectedNode);
 
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                        // find node above the own nodes:
 
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                        MindMapNode directSibling = null;
 
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                        for(int i = ownPosition - 1; i >= 0; --i) {
 
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                                MindMapNode sibling = (MindMapNode) selectedParent.getChildAt(i);
 
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                                if((! selectedNodes.contains(sibling)) &&
 
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                        selectedNode.isLeft() == sibling.isLeft()){
 
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                                        directSibling = sibling;
 
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                                        break;
 
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                                }
 
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                        }
 
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            if(directSibling == null) {
 
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                // start searching for a sibling after the selected block:
 
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                for(int i = ownPosition + 1; i < selectedParent.getChildCount() ; ++i) {
 
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                    MindMapNode sibling = (MindMapNode) selectedParent.getChildAt(i);
 
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                    if((! selectedNodes.contains(sibling)) &&
 
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                            selectedNode.isLeft() == sibling.isLeft()){
 
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                        directSibling = sibling;
 
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                        break;
 
150
                    }
 
151
                }
 
152
            }
 
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                        if(directSibling != null){
 
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                                // sibling on the same side found:
 
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                                Transferable copy = getMindMapController().cut(selectedNodes);
 
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                                getMindMapController().paste(copy, directSibling, false, directSibling.isLeft());
 
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                                select(selectedNodeId, selectedNodesId);
 
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                                return;
 
159
            }
 
160
                }
 
161
        }
 
162
 
 
163
        private void select(String selectedNodeId, List selectedNodesIds) {
 
164
                // get new nodes by object id:
 
165
                MindMapNode newInstanceOfSelectedNode = getMindMapController().getNodeFromID(selectedNodeId);
 
166
                List newSelecteds = new LinkedList();
 
167
                for (Iterator iter = selectedNodesIds.iterator(); iter.hasNext();) {
 
168
                        String nodeId = (String) iter.next();
 
169
                        newSelecteds.add(getMindMapController().getNodeFromID(nodeId));
 
170
                }
 
171
                getMindMapController().selectMultipleNodes(newInstanceOfSelectedNode, newSelecteds);
 
172
        }
 
173
 
 
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}