/// <summary>
        /// Sets up the GUI.
        /// </summary>
        private void setupGUI()
        {
            addWindowListener(this);

            __descriptionTextField = new JTextField(25);
            __origDesc             = __nodes[__nodeNum].getDescription();
            __descriptionTextField.setText(__origDesc);
            __idTextField = new JTextField(10);
            __origID      = __nodes[__nodeNum].getCommonID();
            __idTextField.setText(__origID);
            __idTextField.addKeyListener(this);
            __xTextField = new JTextField(10);
            __origX      = StringUtil.formatString(__nodes[__nodeNum].getX(), "%13.6f").Trim();
            __xTextField.setText(__origX);
            __xTextField.addKeyListener(this);
            __yTextField = new JTextField(10);
            __origY      = StringUtil.formatString(__nodes[__nodeNum].getY(), "%13.6f").Trim();
            __yTextField.setText(__origY);
            __yTextField.addKeyListener(this);
            __areaTextField = new JTextField(10);
            __origArea      = StringUtil.formatString(__nodes[__nodeNum].getArea(), "%13.6f").Trim();
            __areaTextField.setText(__origArea);
            __areaTextField.addKeyListener(this);
            __precipitationTextField = new JTextField(10);
            __origPrecipitation      = StringUtil.formatString(__nodes[__nodeNum].getPrecip(), "%13.6f").Trim();
            __precipitationTextField.setText(__origPrecipitation);
            __precipitationTextField.addKeyListener(this);

            __typeComboBox = new SimpleJComboBox(false);
            __typeComboBox.add(__NODE_DIVERSION);
            __typeComboBox.add(__NODE_DIVERSION_AND_WELL);
            __typeComboBox.add(__NODE_INSTREAM_FLOW);
            __typeComboBox.add(__NODE_OTHER);
            __typeComboBox.add(__NODE_PLAN);
            __typeComboBox.add(__NODE_RESERVOIR);
            __typeComboBox.add(__NODE_STREAMFLOW);
            __typeComboBox.add(__NODE_WELL);

            int type = __nodes[__nodeNum].getType();

            if (type == HydrologyNode.NODE_TYPE_CONFLUENCE)
            {
                __typeComboBox.select(__NODE_CONFLUENCE);
            }
            else if (type == HydrologyNode.NODE_TYPE_DIV)
            {
                __typeComboBox.select(__NODE_DIVERSION);
            }
            else if (type == HydrologyNode.NODE_TYPE_DIV_AND_WELL)
            {
                __typeComboBox.select(__NODE_DIVERSION_AND_WELL);
            }
            else if (type == HydrologyNode.NODE_TYPE_END)
            {
                __typeComboBox.removeAll();
                __typeComboBox.add(__NODE_END);
            }
            else if (type == HydrologyNode.NODE_TYPE_ISF)
            {
                __typeComboBox.select(__NODE_INSTREAM_FLOW);
            }
            else if (type == HydrologyNode.NODE_TYPE_OTHER)
            {
                __typeComboBox.select(__NODE_OTHER);
            }
            else if (type == HydrologyNode.NODE_TYPE_PLAN)
            {
                __typeComboBox.select(__NODE_PLAN);
            }
            else if (type == HydrologyNode.NODE_TYPE_RES)
            {
                __typeComboBox.select(__NODE_RESERVOIR);
            }
            else if (type == HydrologyNode.NODE_TYPE_FLOW)
            {
                __typeComboBox.select(__NODE_STREAMFLOW);
            }
            else if (type == HydrologyNode.NODE_TYPE_WELL)
            {
                __typeComboBox.select(__NODE_WELL);
            }
            else if (type == HydrologyNode.NODE_TYPE_XCONFLUENCE)
            {
                __typeComboBox.select(__NODE_XCONFLUENCE);
            }
            else
            {
                __typeComboBox.removeAll();
                __typeComboBox.add("Unknown Type: " + type);
            }

            __typeComboBox.setMaximumRowCount(__typeComboBox.getItemCount());

            __origIType = type;
            __origType  = __typeComboBox.getSelected();

            __labelPositionComboBox = new SimpleJComboBox(false);
            __labelPositionComboBox.add(__ABOVE_CENTER);
            __labelPositionComboBox.add(__UPPER_RIGHT);
            __labelPositionComboBox.add(__RIGHT);
            __labelPositionComboBox.add(__LOWER_RIGHT);
            __labelPositionComboBox.add(__BELOW_CENTER);
            __labelPositionComboBox.add(__LOWER_LEFT);
            __labelPositionComboBox.add(__LEFT);
            __labelPositionComboBox.add(__UPPER_LEFT);
            __labelPositionComboBox.add(__CENTER);
            __labelPositionComboBox.setMaximumRowCount(__labelPositionComboBox.getItemCount());

            int dir = __nodes[__nodeNum].getLabelDirection() % 10;

            if (dir == 2)
            {
                __labelPositionComboBox.select(__BELOW_CENTER);
            }
            else if (dir == 1)
            {
                __labelPositionComboBox.select(__ABOVE_CENTER);
            }
            else if (dir == 4)
            {
                __labelPositionComboBox.select(__RIGHT);
            }
            else if (dir == 3)
            {
                __labelPositionComboBox.select(__LEFT);
            }
            else if (dir == 7)
            {
                __labelPositionComboBox.select(__UPPER_RIGHT);
            }
            else if (dir == 8)
            {
                __labelPositionComboBox.select(__LOWER_RIGHT);
            }
            else if (dir == 5)
            {
                __labelPositionComboBox.select(__LOWER_LEFT);
            }
            else if (dir == 6)
            {
                __labelPositionComboBox.select(__UPPER_LEFT);
            }
            else if (dir == 9)
            {
                __labelPositionComboBox.select(__CENTER);
            }
            else
            {
                __labelPositionComboBox.removeAll();
                __labelPositionComboBox.add("Unknown Position: " + dir);
            }

            __origIDir = dir;
            __origDir  = __labelPositionComboBox.getSelected();

            __isNaturalFlowCheckBox = new JCheckBox();
            __isImportCheckBox      = new JCheckBox();

            __origDirty = __nodes[__nodeNum].isDirty();

            __reservoirDirectionLabel    = new JLabel("Reservoir Direction: ");
            __reservoirDirectionComboBox = new SimpleJComboBox(false);
            __reservoirDirectionComboBox.setToolTipText("Reservoir body is to the indicated direction " + "(downstream follows the arrow).");
            __reservoirDirectionComboBox.add(__TOP);
            __reservoirDirectionComboBox.add(__BOTTOM);
            __reservoirDirectionComboBox.add(__LEFT);
            __reservoirDirectionComboBox.add(__RIGHT);

            int resDir = __nodes[__nodeNum].getLabelDirection() / 10;

            if (resDir == 1)
            {
                __reservoirDirectionComboBox.select(__BOTTOM);
            }
            else if (resDir == 2)
            {
                __reservoirDirectionComboBox.select(__TOP);
            }
            else if (resDir == 3)
            {
                __reservoirDirectionComboBox.select(__RIGHT);
            }
            else if (resDir == 4)
            {
                __reservoirDirectionComboBox.select(__LEFT);
            }
            else if (resDir == 0)
            {
            }
            else
            {
                __reservoirDirectionComboBox.removeAll();
                __reservoirDirectionComboBox.add("Unknown direction: " + resDir);
            }

            __origResIDir = resDir;
            __origResDir  = __reservoirDirectionComboBox.getSelected();

            JPanel panel = new JPanel();

            panel.setLayout(new GridBagLayout());

            int y = 0;

            JGUIUtil.addComponent(panel, new JLabel("ID: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __idTextField, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Type: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __typeComboBox, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Description: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __descriptionTextField, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("X: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __xTextField, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Y: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __yTextField, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Is natural flow?: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __isNaturalFlowCheckBox, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Is import?: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __isImportCheckBox, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Area: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __areaTextField, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);
            y++;
            JGUIUtil.addComponent(panel, new JLabel("Precipitation: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __precipitationTextField, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);
            if (__nodes[__nodeNum].getIsNaturalFlow())
            {
                __isNaturalFlowCheckBox.setSelected(true);
            }
            else
            {
                __isNaturalFlowCheckBox.setSelected(false);
                __areaTextField.setEnabled(false);
                __precipitationTextField.setEnabled(false);
            }
            __isNaturalFlowCheckBox.addActionListener(this);

            if (__nodes[__nodeNum].getIsImport())
            {
                __isImportCheckBox.setSelected(true);
            }
            else
            {
                __isImportCheckBox.setSelected(false);
            }
            __isImportCheckBox.addActionListener(this);

            __origNaturalFlow = __isNaturalFlowCheckBox.isSelected();
            __origImport      = __isImportCheckBox.isSelected();

            y++;
            JGUIUtil.addComponent(panel, new JLabel("Label Position: "), 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __labelPositionComboBox, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;
            JGUIUtil.addComponent(panel, __reservoirDirectionLabel, 0, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(panel, __reservoirDirectionComboBox, 1, y, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.WEST);

            y++;

            y = addUpstreamNodesToPanel(panel, y);
            addDownstreamNodeToPanel(panel, y);

            getContentPane().add(panel);

            JPanel southPanel = new JPanel();

            southPanel.setLayout(new GridBagLayout());

            __applyButton = new JButton(__BUTTON_APPLY);
            __applyButton.addActionListener(this);
            __okButton = new JButton(__BUTTON_OK);
            __okButton.addActionListener(this);
            JButton cancelButton = new JButton(__BUTTON_CANCEL);

            cancelButton.addActionListener(this);

            JGUIUtil.addComponent(southPanel, __applyButton, 0, 0, 1, 1, 1, 1, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(southPanel, __okButton, 2, 0, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);
            JGUIUtil.addComponent(southPanel, cancelButton, 3, 0, 1, 1, 0, 0, GridBagConstraints.NONE, GridBagConstraints.EAST);

            getContentPane().add(southPanel, "South");

            pack();

            if (__origIType != HydrologyNode.NODE_TYPE_RES)
            {
                __reservoirDirectionLabel.setVisible(false);
                __reservoirDirectionComboBox.setVisible(false);
            }

            __typeComboBox.addActionListener(this);

            if (__parent.inStateModGUI())
            {
                __typeComboBox.setEnabled(false);
                __precipitationTextField.setEditable(false);
                __precipitationTextField.removeKeyListener(this);
                __descriptionTextField.setEditable(false);
                __descriptionTextField.removeKeyListener(this);
                __areaTextField.removeKeyListener(this);
                __areaTextField.setEditable(false);
                __idTextField.removeKeyListener(this);
                __idTextField.setEditable(false);
                __isNaturalFlowCheckBox.setEnabled(false);
                __isImportCheckBox.setEnabled(false);
            }

            JGUIUtil.center(this);
            setVisible(true);
        }
        /// <summary>
        /// Responds to action performed events. </summary>
        /// <param name="ae"> the ActionEvent that happened. </param>
        public virtual void actionPerformed(ActionEvent ae)
        {
            string routine = "StateMod_OutputControl_JFrame.actionPerformed";
            string action  = ae.getActionCommand();

            if (action.Equals(__BUTTON_ADD_ROW))
            {
                if (!__tableModel.canAddNewRow())
                {
                    return;
                }
                __dirty = true;
                int row = __worksheet.getRowCount();

                StateMod_GraphNode n = new StateMod_GraphNode();
                __worksheet.addRow(n);
                n.setType("");
                n.setID("");
                n.setSwitch(-1);
                __tableModel.setDirty(true);

                // when a row is added, mark the second and third columns
                // as uneditable.  They will be set to editable as soon as
                // the user enters a value in the first column
                __worksheet.setCellEditable(row, 1, false);
                __worksheet.setCellEditable(row, 2, false);
            }
            else if (action.Equals(__BUTTON_CLEAR_LIST))
            {
                __dirty = true;
                __worksheet.clear();
                setMessages("Add station to list.", "Ready");
                __tableModel.setDirty(true);
            }
            else if (action.Equals(__BUTTON_CLOSE))
            {
                closeWindow();
            }
            else if (action.Equals(__BUTTON_DELETE_ROW))
            {
                int[] rows = __worksheet.getSelectedRows();

                int length = rows.Length;
                __tableModel.setDirty(true);

                if (length == 0)
                {
                    return;
                }

                for (int i = (length - 1); i >= 0; i--)
                {
                    __worksheet.deleteRow(rows[i]);
                }
                __dirty = true;
                setMessages("Time series list has changed.", "Ready");
            }
            else if (action.Equals(__BUTTON_HELP))
            {
                // REVISIT HELP (JTS - 2003-07-09)
            }
            else if (action.Equals(__BUTTON_SAVE_FILE))
            {
                JGUIUtil.setWaitCursor(this, true);
                string lastDirectorySelected = JGUIUtil.getLastFileDialogDirectory();

                JFileChooser fc = null;
                if (!string.ReferenceEquals(lastDirectorySelected, null))
                {
                    fc = new JFileChooser(lastDirectorySelected);
                }
                else
                {
                    fc = new JFileChooser();
                }

                fc.setDialogTitle("Select Output Control File");
                SimpleFileFilter @out = new SimpleFileFilter("out", "StateMod Output Control Files");
                fc.addChoosableFileFilter(@out);
                SimpleFileFilter tpl = new SimpleFileFilter("tpo", "StateMod Output Control Files");
                fc.addChoosableFileFilter(tpl);
                SimpleFileFilter xou = new SimpleFileFilter("xou", "StateMod Output Control Files");
                fc.addChoosableFileFilter(xou);
                fc.setAcceptAllFileFilterUsed(false);
                fc.setFileFilter(tpl);
                fc.setDialogType(JFileChooser.SAVE_DIALOG);

                JGUIUtil.setWaitCursor(this, false);

                int retVal = fc.showSaveDialog(this);
                if (retVal != JFileChooser.APPROVE_OPTION)
                {
                    return;
                }

                string currDir = (fc.getCurrentDirectory()).ToString();

                if (!currDir.Equals(lastDirectorySelected, StringComparison.OrdinalIgnoreCase))
                {
                    JGUIUtil.setLastFileDialogDirectory(currDir);
                }
                string filename = fc.getSelectedFile().getName();

                FileFilter ff = fc.getFileFilter();
                if (ff == @out)
                {
                    filename = IOUtil.enforceFileExtension(filename, "out");
                }
                else if (ff == tpl)
                {
                    filename = IOUtil.enforceFileExtension(filename, "tpo");
                }
                else if (ff == xou)
                {
                    filename = IOUtil.enforceFileExtension(filename, "xou");
                }

                __dirty = false;
                __tableModel.setDirty(false);

                System.Collections.IList theGraphNodes = __worksheet.getAllData();

                try
                {
                    StateMod_GraphNode.writeStateModOutputControlFile(null, currDir + File.separator + filename, theGraphNodes, null);
                }
                catch (Exception e)
                {
                    Message.printWarning(1, routine, "Error saving output control file\n" + "\"" + currDir + File.separator + filename + "\"", this);
                    Message.printWarning(2, routine, e);
                }
            }
            else if (action.Equals(__BUTTON_LOAD_FILE))
            {
                JGUIUtil.setWaitCursor(this, true);
                string lastDirectorySelected = JGUIUtil.getLastFileDialogDirectory();

                JFileChooser fc = null;
                if (!string.ReferenceEquals(lastDirectorySelected, null))
                {
                    fc = new JFileChooser(lastDirectorySelected);
                }
                else
                {
                    fc = new JFileChooser();
                }

                fc.setDialogTitle("Select Output Control File");
                SimpleFileFilter @out = new SimpleFileFilter("out", "StateMod Output Control Files");
                fc.addChoosableFileFilter(@out);
                SimpleFileFilter tpl = new SimpleFileFilter("tpo", "StateMod Output Control Files");
                fc.addChoosableFileFilter(tpl);
                SimpleFileFilter xou = new SimpleFileFilter("xou", "StateMod Output Control Files");
                fc.addChoosableFileFilter(xou);
                fc.setAcceptAllFileFilterUsed(false);
                fc.setFileFilter(tpl);
                fc.setDialogType(JFileChooser.OPEN_DIALOG);

                JGUIUtil.setWaitCursor(this, false);
                int retVal = fc.showOpenDialog(this);
                if (retVal != JFileChooser.APPROVE_OPTION)
                {
                    return;
                }

                string currDir = (fc.getCurrentDirectory()).ToString();

                if (!currDir.Equals(lastDirectorySelected, StringComparison.OrdinalIgnoreCase))
                {
                    JGUIUtil.setLastFileDialogDirectory(currDir);
                }
                string filename = fc.getSelectedFile().getName();

                JGUIUtil.setWaitCursor(this, true);

                __dirty = false;

                System.Collections.IList theGraphNodes = new List <object>(20, 1);

                try
                {
                    __worksheet.clear();
                    __tableModel.setDirty(false);
                    StateMod_GraphNode.readStateModOutputControlFile(theGraphNodes, currDir + File.separator + filename);

                    int size             = theGraphNodes.Count;
                    StateMod_GraphNode g = null;
                    int row = 0;
                    for (int i = 0; i < size; i++)
                    {
                        row = __worksheet.getRowCount();
                        g   = (StateMod_GraphNode)theGraphNodes[i];
                        if (i == 0)
                        {
                            if (g.getID().Equals("All"))
                            {
                                __useAllJCheckBox.setSelected(true);
                            }
                            else
                            {
                                __useAllJCheckBox.setSelected(false);
                            }
                        }
                        __worksheet.addRow(g);

                        __tableModel.fillIDColumn(row, g.getType());
                    }
                    __worksheet.setData(theGraphNodes);
                }
                catch (Exception e)
                {
                    Message.printWarning(1, routine, "Error loading output control file\n" + "\"" + currDir + File.separator + filename + "\"", this);
                    Message.printWarning(2, routine, e);
                }
                JGUIUtil.setWaitCursor(this, false);
            }
            else if (action.Equals(__CHECKBOX_USE_ALL))
            {
                // if the use all checkbox is selected, subtle changes from the
                // default functionality are made.  The buttons to add and
                // delete rows are disabled, and the ID of the only record
                // in the worksheet is set to "All".  This ID value is used
                // in the table model to determine when the checkbox is
                // selected.  In addition, the ComboBox functionality of the
                // first and third data columns is turned off.

                if (__useAllJCheckBox.isSelected())
                {
                    __addRowButton.setEnabled(false);
                    __deleteRowButton.setEnabled(false);
                    __worksheet.setColumnJComboBoxValues(0, null);
                    __worksheet.setColumnJComboBoxValues(2, null);
                    __worksheet.clear();
                    StateMod_GraphNode g = new StateMod_GraphNode();
                    g.setID("All");
                    __worksheet.setCellEditable(0, 0, false);
                    __worksheet.setCellEditable(0, 1, false);
                    __worksheet.setCellEditable(0, 2, false);
                    __worksheet.addRow(g);
                }
                else
                {
                    __addRowButton.setEnabled(true);
                    __deleteRowButton.setEnabled(true);
                    System.Collections.IList v = StateMod_Util.arrayToList(StateMod_GraphNode.node_types);
                    v.Add("Other");
                    __worksheet.setColumnJComboBoxValues(0, v);
                    __worksheet.clear();
                    System.Collections.IList offOn = new List <object>();
                    offOn.Add("Off");
                    offOn.Add("On");
                    __worksheet.setCellEditable(0, 0, true);
                    __worksheet.setColumnJComboBoxValues(2, offOn);
                }
            }
        }