001    /******************************************************************************
002     * Copyright (C) MActor Developers. All rights reserved.                        *
003     * ---------------------------------------------------------------------------*
004     * This file is part of MActor.                                               *
005     *                                                                            *
006     * MActor is free software; you can redistribute it and/or modify             *
007     * it under the terms of the GNU General Public License as published by       *
008     * the Free Software Foundation; either version 2 of the License, or          *
009     * (at your option) any later version.                                        *
010     *                                                                            *
011     * MActor is distributed in the hope that it will be useful,                  *
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
014     * GNU General Public License for more details.                               *
015     *                                                                            *
016     * You should have received a copy of the GNU General Public License          *
017     * along with MActor; if not, write to the Free Software                      *
018     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA *
019     ******************************************************************************/
020    package org.mactor.ui.gui.actions;
021    
022    import org.mactor.framework.MactorException;
023    import org.mactor.ui.gui.ResourceUtil;
024    import org.mactor.ui.gui.project.DropAcceptRules;
025    import org.mactor.ui.gui.project.GuiAction;
026    import org.mactor.ui.gui.project.ProjectController;
027    import org.mactor.ui.gui.project.ProjectNodeType;
028    import org.mactor.ui.gui.project.ProjectTreeNode;
029    import org.mactor.ui.gui.project.ProjectTreeNodeBuilder;
030    import org.mactor.ui.gui.project.DropAcceptRules.DropAcceptInfo;
031    
032    public class CreateEntityAction implements GuiAction {
033            public boolean isPermitted(ProjectTreeNode selectedTreeNode, ProjectController projectController, String[] parameters) {
034                    if (parameters == null || parameters.length == 0)
035                            return false;
036                    ProjectNodeType nodeType = ProjectNodeType.valueOf(parameters[0]);
037                    DropAcceptInfo dropAcceptInfo = DropAcceptRules.getDropAcceptInfo(selectedTreeNode, nodeType);
038                    return dropAcceptInfo.isCopyAccepted() || dropAcceptInfo.isCopyAsideAccepted();
039            }
040            public void perform(ProjectTreeNode selectedTreeNode, ProjectController projectController, String[] parameters) throws MactorException {
041                    if (parameters == null || parameters.length == 0)
042                            throw new MactorException("Node type not specified");
043                    ProjectNodeType nodeType = ProjectNodeType.valueOf(parameters[0]);
044                    if (nodeType == null)
045                            throw new MactorException("Unsupported node type '" + parameters[0] + "'");
046                    String template = null;
047                    if (parameters.length > 1)
048                            template = parameters[1];
049                    else
050                            template = parameters[0];
051                    ProjectTreeNode node = ProjectTreeNodeBuilder.createNewNode(nodeType, getTemplateContent(template));
052                    ProjectTreeNode targetNode = selectedTreeNode;
053                    DropAcceptInfo dropAcceptInfo = DropAcceptRules.getDropAcceptInfo(targetNode, node);
054                    if (dropAcceptInfo.isCopyIntoAccepted())
055                            projectController.insertNodeIntoNode(selectedTreeNode, node);
056                    else if (dropAcceptInfo.isCopyAsideAccepted())
057                            projectController.insertNodeAfterNode(selectedTreeNode, node);
058                    else
059                            throw new MactorException("Illegal request");
060            }
061            public static String getTemplateContent(String templateName) {
062                    try {
063                            return ResourceUtil.readResourceTextContent("entity_action_templates" + "/" + templateName);
064                    } catch (MactorException e) {
065                            e.printStackTrace();
066                    }
067                    return null;
068            }
069    }