001 /*
002 * CRIMSON
003 * Copyright (c) 2006, Stephen Fisher, Susan Davidson, and Junhyong Kim,
004 * University of Pennsylvania.
005 *
006 * This program is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU General Public License as
008 * published by the Free Software Foundation; either version 2 of the
009 * License, or (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful, but
012 * WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 * General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 * 02110-1301 USA.
020 *
021 * @(#)ModelUtils.java
022 */
023
024 package edu.upenn.crimson.gui;
025
026 import edu.upenn.crimson.*;
027 import edu.upenn.crimson.io.*;
028 import java.util.ArrayList;
029 import javax.swing.*;
030
031 /**
032 * Static methods used throughout the GUI for Model objects.
033 *
034 * @author Stephen Fisher
035 * @version $Id: ModelUtils.java,v 1.7 2007/05/16 18:55:58 fisher Exp $
036 */
037
038 public class ModelUtils {
039
040 //--------------------------------------------------------------------------
041 // Miscellaneous Methods
042
043 /** Present a dialog box for selecting a particular Model. */
044 public static String modelSelector() {
045 // use this to get the return value from ObjectSelectorDialog
046 ArrayList out = new ArrayList();
047 // Object[] objects = ObjectHandles.getModels().toArray();
048 Object[] objects = ObjectHandles.getModelPool().values().toArray();
049 new ObjectSelectorDialog("Model Selector", objects, out);
050
051 if (out.size() > 0) {
052 return ((Model) out.get(0)).getID();
053 } else {
054 return "";
055 }
056 }
057
058 /**
059 * This will use a FieldEditDialog to ask the user for a model ID.
060 */
061 public static String getModelID(String id) {
062 // get model ID
063 String[] labels = {" Model ID:" };
064
065 // use this to get the return value from FieldEditDialog
066 ArrayList textFields = new ArrayList();
067
068 // get the value the user entered
069 JTextField idField = new JTextField(20);
070 idField.setText(id);
071 textFields.add(idField);
072
073 new FieldEditDialog("New Model", labels, textFields);
074
075 // check "exit code" for FieldEditDialog, if false then exit
076 Boolean exitCode = (Boolean) textFields.get(textFields.size()-1);
077 if (! exitCode.booleanValue()) return null;
078
079 // return ID
080 return idField.getText();
081 }
082
083 /**
084 * This will delete the model specified by ModelSelector().
085 */
086 public static void deleteModel(String id) {
087 // if no database connection then error
088 if (! Database.isOpen()) {
089 CrimsonUtils.printMsg("Must open a database before deleting a model.",
090 CrimsonUtils.ERROR);
091 return;
092 }
093
094 if (CrimsonUtils.isEmpty(id)) {
095 id = modelSelector();
096
097 // if ID still empty then quit
098 if (CrimsonUtils.isEmpty(id)) return;
099 }
100
101 String msg = "Are you sure you want to remove this model?\n";
102 msg += "Model: " + id;
103 Object[] options = {"Delete Model", "Cancel"};
104 int flag = JOptionPane.showOptionDialog(null, msg,
105 "Delete Confirmation",
106 JOptionPane.YES_NO_OPTION,
107 JOptionPane.QUESTION_MESSAGE,
108 null,
109 options,
110 options[1]);
111 if (flag == JOptionPane.YES_OPTION) { // "Delete"
112 // delete model
113 Root.runCommand("deleteModel(\"" + id + "\")");
114 }
115 }
116
117 /**
118 * This will display the specified model. If no model is
119 * specified, then the ModelSelector() will be used to choose a
120 * model.
121 */
122 public static void viewModel(String id) {
123 // if no database connection then error
124 if (! Database.isOpen()) {
125 CrimsonUtils.printMsg("Must open a database before viewing a model.",
126 CrimsonUtils.ERROR);
127 return;
128 }
129
130 // if no ID, then use modelSelector() to get model
131 if (CrimsonUtils.isEmpty(id)) {
132 id = modelSelector();
133
134 // if ID still empty then quit
135 if (CrimsonUtils.isEmpty(id)) return;
136 }
137
138 Model model = ObjectHandles.getModel(id);
139
140 // make sure the model exists
141 if (model == null) return;
142
143 JOptionPane.showMessageDialog(null, model.toStringFull(), "Model Viewer",
144 JOptionPane.INFORMATION_MESSAGE);
145 }
146
147 /** This will edit the model. */
148 public static void editModel(String id) {
149 // if no database connection then error
150 if (! Database.isOpen()) {
151 CrimsonUtils.printMsg("Database not open.", CrimsonUtils.ERROR);
152 return;
153 }
154
155 // if no ID, then use modelSelector() to get model
156 if (CrimsonUtils.isEmpty(id)) {
157 id = modelSelector();
158
159 // if ID still empty then quit
160 if (CrimsonUtils.isEmpty(id)) return;
161 }
162
163 Root.runCommand("editModel(\"" + id + "\")");
164 }
165
166 } // ModelUtils.java