moel@1: /*
moel@1:   
moel@1:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@1: 
moel@1:   The contents of this file are subject to the Mozilla Public License Version
moel@1:   1.1 (the "License"); you may not use this file except in compliance with
moel@1:   the License. You may obtain a copy of the License at
moel@1:  
moel@1:   http://www.mozilla.org/MPL/
moel@1: 
moel@1:   Software distributed under the License is distributed on an "AS IS" basis,
moel@1:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@1:   for the specific language governing rights and limitations under the License.
moel@1: 
moel@1:   The Original Code is the Open Hardware Monitor code.
moel@1: 
moel@1:   The Initial Developer of the Original Code is 
moel@1:   Michael Möller <m.moeller@gmx.ch>.
moel@1:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@1:   the Initial Developer. All Rights Reserved.
moel@1: 
moel@1:   Contributor(s):
moel@1: 
moel@1:   Alternatively, the contents of this file may be used under the terms of
moel@1:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@1:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@1:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@1:   of those above. If you wish to allow use of your version of this file only
moel@1:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@1:   use your version of this file under the terms of the MPL, indicate your
moel@1:   decision by deleting the provisions above and replace them with the notice
moel@1:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@1:   the provisions above, a recipient may use your version of this file under
moel@1:   the terms of any one of the MPL, the GPL or the LGPL.
moel@1:  
moel@1: */
moel@1: 
moel@1: using System;
moel@1: using System.Collections.Generic;
moel@1: using System.ComponentModel;
moel@1: using System.Configuration;
moel@1: using System.Drawing;
moel@83: using System.IO;
moel@1: using System.Text;
moel@1: using System.Windows.Forms;
moel@1: using Aga.Controls.Tree;
moel@1: using Aga.Controls.Tree.NodeControls;
moel@1: using OpenHardwareMonitor.Hardware;
moel@28: using OpenHardwareMonitor.Utilities;
moel@1: 
moel@1: namespace OpenHardwareMonitor.GUI {
moel@1:   public partial class MainForm : Form {
moel@1: 
moel@165:     private PersistentSettings settings;
moel@165:     private UnitManager unitManager;
moel@165:     private Computer computer;
moel@1:     private Node root;
moel@1:     private TreeModel treeModel;
moel@1:     private IDictionary<ISensor, Color> sensorPlotColors = 
moel@1:       new Dictionary<ISensor, Color>();
moel@1:     private Color[] plotColorPalette;
moel@133:     private SystemTray systemTray;    
moel@82:     private StartupManager startupManager = new StartupManager();
moel@110:     private UpdateVisitor updateVisitor = new UpdateVisitor();
moel@176:     private SensorGadget gadget;
moel@1: 
moel@156:     private UserOption showHiddenSensors;
moel@156:     private UserOption showPlot;
moel@156:     private UserOption showValue;
moel@156:     private UserOption showMin;
moel@156:     private UserOption showMax;
moel@156:     private UserOption startMinimized;
moel@156:     private UserOption minimizeToTray;
moel@156:     private UserOption autoStart;
moel@156:     private UserOption readHddSensors;
moel@176:     private UserOption showGadget;
moel@156: 
moel@28:     public MainForm() {      
moel@1:       InitializeComponent();
moel@156: 
moel@165:       this.settings = new PersistentSettings();      
moel@165:       this.settings.Load(Path.ChangeExtension(
moel@165:         System.Windows.Forms.Application.ExecutablePath, ".config"));
moel@165: 
moel@165:       this.unitManager = new UnitManager(settings);
moel@165: 
moel@156:       // set the DockStyle here, to avoid conflicts with the MainMenu
moel@156:       this.splitContainer.Dock = DockStyle.Fill;
moel@156:       
moel@159:       int p = (int)System.Environment.OSVersion.Platform;
moel@159:       if ((p == 4) || (p == 128)) {
moel@159:         splitContainer.BorderStyle = BorderStyle.None;
moel@159:         splitContainer.Border3DStyle = Border3DStyle.Adjust;
moel@159:         splitContainer.SplitterWidth = 4;
moel@159:         treeView.BorderStyle = BorderStyle.Fixed3D;
moel@159:         plotPanel.BorderStyle = BorderStyle.Fixed3D;
moel@159:       }
moel@159:       
moel@1:       this.Font = SystemFonts.MessageBoxFont;
moel@1:       treeView.Font = SystemFonts.MessageBoxFont;
moel@63:       plotPanel.Font = SystemFonts.MessageBoxFont;
moel@1:       
moel@133:       nodeCheckBox.IsVisibleValueNeeded += nodeCheckBox_IsVisibleValueNeeded;
moel@133:       nodeCheckBox.CheckStateChanged += UpdatePlotSelection;
moel@133:       nodeTextBoxText.DrawText += nodeTextBoxText_DrawText;
moel@133:       nodeTextBoxValue.DrawText += nodeTextBoxText_DrawText;
moel@133:       nodeTextBoxMin.DrawText += nodeTextBoxText_DrawText;
moel@133:       nodeTextBoxMax.DrawText += nodeTextBoxText_DrawText;
moel@141:       nodeTextBoxText.EditorShowing += nodeTextBoxText_EditorShowing;
moel@1: 
moel@165:       if (settings.Contains("mainForm.Location.X")) {
moel@166:         int x = settings.GetValue("mainForm.Location.X", Location.X);
moel@1:         x = x < 0 ? 0 : x;
moel@166:         int y = settings.GetValue("mainForm.Location.Y", Location.Y);
moel@1:         y = y < 0 ? 0 : y;
moel@1:         this.Location = new Point(x, y);
moel@1:       } else {
moel@1:         StartPosition = FormStartPosition.CenterScreen;
moel@1:       }
moel@1: 
moel@156:       ClientSize = new Size(
moel@166:         settings.GetValue("mainForm.Width", 470),
moel@166:         settings.GetValue("mainForm.Height", 640));
moel@113: 
moel@113:       foreach (TreeColumn column in treeView.Columns) 
moel@165:         column.Width = Math.Max(20, Math.Min(400,
moel@166:           settings.GetValue("treeView.Columns." + column.Header + ".Width",
moel@113:           column.Width)));
moel@113: 
moel@1:       treeModel = new TreeModel();
moel@1:       root = new Node(System.Environment.MachineName);
moel@1:       root.Image = Utilities.EmbeddedResources.GetImage("computer.png");
moel@1:       
moel@1:       treeModel.Nodes.Add(root);
moel@165:       treeView.Model = treeModel;
moel@40: 
moel@165:       this.computer = new Computer(settings);
moel@165: 
moel@165:       systemTray = new SystemTray(computer, settings);
moel@133:       systemTray.HideShowCommand += hideShowClick;
moel@133:       systemTray.ExitCommand += exitClick;
moel@1: 
moel@176:       gadget = new SensorGadget(computer, settings, unitManager);
moel@176: 
moel@28:       computer.HardwareAdded += new HardwareEventHandler(HardwareAdded);
moel@28:       computer.HardwareRemoved += new HardwareEventHandler(HardwareRemoved);
moel@28:       computer.Open();
moel@28: 
moel@86:       timer.Enabled = true;
moel@86: 
moel@111:       plotColorPalette = new Color[13];
moel@1:       plotColorPalette[0] = Color.Blue;
moel@1:       plotColorPalette[1] = Color.OrangeRed;
moel@1:       plotColorPalette[2] = Color.Green;
moel@1:       plotColorPalette[3] = Color.LightSeaGreen;
moel@1:       plotColorPalette[4] = Color.Goldenrod;
moel@1:       plotColorPalette[5] = Color.DarkViolet;
moel@1:       plotColorPalette[6] = Color.YellowGreen;
moel@1:       plotColorPalette[7] = Color.SaddleBrown;
moel@111:       plotColorPalette[8] = Color.RoyalBlue;
moel@111:       plotColorPalette[9] = Color.DeepPink;
moel@111:       plotColorPalette[10] = Color.MediumSeaGreen;
moel@111:       plotColorPalette[11] = Color.Olive;
moel@111:       plotColorPalette[12] = Color.Firebrick;
moel@1: 
moel@165:       showHiddenSensors = new UserOption("hiddenMenuItem", false, hiddenMenuItem, settings);
moel@156:       showHiddenSensors.Changed += delegate(object sender, EventArgs e) {
moel@156:         treeModel.ForceVisible = showHiddenSensors.Value;
moel@156:       };
moel@111: 
moel@165:       showPlot = new UserOption("plotMenuItem", false, plotMenuItem, settings);
moel@156:       showPlot.Changed += delegate(object sender, EventArgs e) {
moel@156:         splitContainer.Panel2Collapsed = !showPlot.Value;
moel@156:         treeView.Invalidate();
moel@156:       };
moel@1: 
moel@165:       showValue = new UserOption("valueMenuItem", true, valueMenuItem, settings);
moel@156:       showValue.Changed += delegate(object sender, EventArgs e) {
moel@156:         treeView.Columns[1].IsVisible = showValue.Value;
moel@156:       };
moel@122: 
moel@165:       showMin = new UserOption("minMenuItem", false, minMenuItem, settings);
moel@156:       showMin.Changed += delegate(object sender, EventArgs e) {
moel@156:         treeView.Columns[2].IsVisible = showMin.Value;
moel@156:       };
moel@156: 
moel@165:       showMax = new UserOption("maxMenuItem", true, maxMenuItem, settings);
moel@156:       showMax.Changed += delegate(object sender, EventArgs e) {
moel@156:         treeView.Columns[3].IsVisible = showMax.Value;
moel@156:       };
moel@156: 
moel@165:       startMinimized = new UserOption("startMinMenuItem", false, startMinMenuItem, settings);
moel@156: 
moel@165:       minimizeToTray = new UserOption("minTrayMenuItem", true, minTrayMenuItem, settings);
moel@156:       minimizeToTray.Changed += delegate(object sender, EventArgs e) {
moel@156:         systemTray.IsMainIconEnabled = minimizeToTray.Value;
moel@156:       };
moel@156: 
moel@165:       autoStart = new UserOption(null, startupManager.Startup, startupMenuItem, settings);
moel@156:       autoStart.Changed += delegate(object sender, EventArgs e) {
moel@185:         try {
moel@185:           startupManager.Startup = autoStart.Value;
moel@185:         } catch (InvalidOperationException) {
moel@185:           MessageBox.Show("Updating the auto-startup option failed.", "Error", 
moel@185:             MessageBoxButtons.OK, MessageBoxIcon.Error);
moel@185:           autoStart.Value = startupManager.Startup;
moel@185:         }
moel@156:       };
moel@156: 
moel@165:       readHddSensors = new UserOption("hddMenuItem", true, hddMenuItem, settings);
moel@156:       readHddSensors.Changed += delegate(object sender, EventArgs e) {
moel@156:         computer.HDDEnabled = readHddSensors.Value;
moel@156:         UpdatePlotSelection(null, null);
moel@156:       };
moel@156: 
moel@176:       showGadget = new UserOption("gadgetMenuItem", false, gadgetMenuItem, settings);
moel@176:       showGadget.Changed += delegate(object sender, EventArgs e) {
moel@176:         gadget.Visible = showGadget.Value;
moel@176:       };
moel@176: 
moel@156:       celciusMenuItem.Checked = 
moel@165:         unitManager.TemperatureUnit == TemperatureUnit.Celcius;
moel@156:       fahrenheitMenuItem.Checked = !celciusMenuItem.Checked;
moel@55: 
moel@142:       startupMenuItem.Visible = startupManager.IsAvailable;
moel@125:       
moel@55:       if (startMinMenuItem.Checked) {
moel@82:         if (!minTrayMenuItem.Checked) {
moel@55:           WindowState = FormWindowState.Minimized;
moel@55:           Show();
moel@55:         }
moel@55:       } else {
moel@55:         Show();
moel@55:       }
moel@70: 
moel@71:       // Create a handle, otherwise calling Close() does not fire FormClosed     
moel@71:       IntPtr handle = Handle;
moel@128: 
moel@128:       // Make sure the settings are saved when the user logs off
moel@128:       Microsoft.Win32.SystemEvents.SessionEnded +=
moel@128:         delegate(object sender, Microsoft.Win32.SessionEndedEventArgs e) {
moel@128:           SaveConfiguration();
moel@176:         };  
moel@1:     }
moel@128:     
moel@64:     private void SubHardwareAdded(IHardware hardware, Node node) {
moel@165:       Node hardwareNode = new HardwareNode(hardware, settings, unitManager);
moel@64:       node.Nodes.Add(hardwareNode);
moel@64:       foreach (IHardware subHardware in hardware.SubHardware)
moel@64:         SubHardwareAdded(subHardware, hardwareNode);  
moel@64:     }
moel@64: 
moel@28:     private void HardwareAdded(IHardware hardware) {
moel@165:       Node hardwareNode = new HardwareNode(hardware, settings, unitManager);
moel@64:       root.Nodes.Add(hardwareNode);
moel@64:       foreach (IHardware subHardware in hardware.SubHardware)
moel@64:         SubHardwareAdded(subHardware, hardwareNode);     
moel@1:     }
moel@1: 
moel@28:     private void HardwareRemoved(IHardware hardware) {      
moel@1:       List<Node> nodesToRemove = new List<Node>();
moel@28:       foreach (Node node in root.Nodes) {
moel@28:         HardwareNode hardwareNode = node as HardwareNode;
moel@28:         if (hardwareNode != null && hardwareNode.Hardware == hardware)
moel@28:           nodesToRemove.Add(node);
moel@28:       }
moel@1:       foreach (Node node in nodesToRemove)
moel@1:         root.Nodes.Remove(node);
moel@1:     }
moel@1: 
moel@111:     private void nodeTextBoxText_DrawText(object sender, DrawEventArgs e) {       
moel@111:       Node node = e.Node.Tag as Node;
moel@111:       if (node != null) {
moel@1:         Color color;
moel@111:         if (node.IsVisible) {
moel@111:           SensorNode sensorNode = node as SensorNode;
moel@111:           if (plotMenuItem.Checked && sensorNode != null &&
moel@111:             sensorPlotColors.TryGetValue(sensorNode.Sensor, out color))
moel@111:             e.TextColor = color;
moel@111:         } else {
moel@111:           e.TextColor = Color.DarkGray;
moel@111:         }
moel@1:       }
moel@1:     }
moel@1: 
moel@1:     private void UpdatePlotSelection(object sender, 
moel@1:       TreePathEventArgs e) 
moel@1:     {
moel@1:       List<ISensor> selected = new List<ISensor>();
moel@1:       IDictionary<ISensor, Color> colors = new Dictionary<ISensor, Color>();
moel@1:       int colorIndex = 0;
moel@1:       foreach (TreeNodeAdv node in treeView.AllNodes) {
moel@1:         SensorNode sensorNode = node.Tag as SensorNode;
moel@1:         if (sensorNode != null && 
moel@1:           sensorNode.Sensor.SensorType == SensorType.Temperature) {
moel@1:           if (sensorNode.Plot) {
moel@1:             colors.Add(sensorNode.Sensor,
moel@1:               plotColorPalette[colorIndex % plotColorPalette.Length]);
moel@1:             selected.Add(sensorNode.Sensor);
moel@1:           }
moel@1:           colorIndex++;
moel@1:         }
moel@1:       }
moel@1:       sensorPlotColors = colors;
moel@1:       plotPanel.SetSensors(selected, colors);
moel@1:     }
moel@1: 
moel@141:     private void nodeTextBoxText_EditorShowing(object sender, CancelEventArgs e) 
moel@141:     {
moel@141:       e.Cancel = !(treeView.CurrentNode != null &&
moel@141:         treeView.CurrentNode.Tag is SensorNode);
moel@141:     }
moel@141: 
moel@1:     private void nodeCheckBox_IsVisibleValueNeeded(object sender, 
moel@1:       NodeControlValueEventArgs e) {
moel@1:       SensorNode node = e.Node.Tag as SensorNode;
moel@1:       e.Value = (node != null) && 
moel@1:         (node.Sensor.SensorType == SensorType.Temperature) && 
moel@1:         plotMenuItem.Checked;
moel@1:     }
moel@1: 
moel@133:     private void exitClick(object sender, EventArgs e) {
moel@70:       Close();      
moel@1:     }
moel@1: 
moel@86:     private void timer_Tick(object sender, EventArgs e) {
moel@110:       computer.Accept(updateVisitor);
moel@1:       treeView.Invalidate();
moel@1:       plotPanel.Invalidate();
moel@133:       systemTray.Redraw();
moel@176:       gadget.Redraw();
moel@1:     }
moel@1: 
moel@128:     private void SaveConfiguration() {
moel@14:       if (WindowState != FormWindowState.Minimized) {
moel@166:         settings.SetValue("mainForm.Location.X", Location.X);
moel@166:         settings.SetValue("mainForm.Location.Y", Location.Y);
moel@166:         settings.SetValue("mainForm.Width", ClientSize.Width);
moel@166:         settings.SetValue("mainForm.Height", ClientSize.Height);
moel@14:       }
moel@86: 
moel@128:       foreach (TreeColumn column in treeView.Columns)
moel@166:         settings.SetValue("treeView.Columns." + column.Header + ".Width",
moel@113:           column.Width);
moel@113: 
moel@165:       settings.Save(Path.ChangeExtension(
moel@165:         System.Windows.Forms.Application.ExecutablePath, ".config"));
moel@128:     }
moel@128: 
moel@128:     private void MainForm_FormClosed(object sender, FormClosedEventArgs e) {
moel@156:       Visible = false;
moel@128:       SaveConfiguration();
moel@128: 
moel@86:       timer.Enabled = false;
moel@133:       systemTray.Dispose();      
moel@28:       computer.Close();
moel@1:     }
moel@1: 
moel@156:     private void aboutMenuItem_Click(object sender, EventArgs e) {
moel@1:       new AboutBox().ShowDialog();
moel@1:     }
moel@1: 
moel@1:     private void treeView_Click(object sender, EventArgs e) {
moel@1:       
moel@1:       MouseEventArgs m = e as MouseEventArgs;
moel@1:       if (m == null || m.Button != MouseButtons.Right)
moel@1:         return;
moel@1: 
moel@1:       NodeControlInfo info = treeView.GetNodeControlInfoAt(new Point(m.X, m.Y));
moel@156:       treeView.SelectedNode = info.Node;
moel@156:       if (info.Node != null) {
moel@40:         SensorNode node = info.Node.Tag as SensorNode;
moel@40:         if (node != null && node.Sensor != null) {
moel@156:           sensorContextMenu.MenuItems.Clear();
moel@63:           if (node.Sensor.Parameters.Length > 0) {
moel@156:             MenuItem item = new MenuItem("Parameters...");
moel@63:             item.Click += delegate(object obj, EventArgs args) {
moel@63:               ShowParameterForm(node.Sensor);
moel@63:             };
moel@156:             sensorContextMenu.MenuItems.Add(item);
moel@63:           }
moel@156:           if (nodeTextBoxText.EditEnabled) {
moel@156:             MenuItem item = new MenuItem("Rename");
moel@141:             item.Click += delegate(object obj, EventArgs args) {
moel@156:               nodeTextBoxText.BeginEdit();
moel@141:             };
moel@156:             sensorContextMenu.MenuItems.Add(item);
moel@176:           }
moel@111:           if (node.IsVisible) {
moel@156:             MenuItem item = new MenuItem("Hide");
moel@111:             item.Click += delegate(object obj, EventArgs args) {
moel@111:               node.IsVisible = false;
moel@111:             };
moel@156:             sensorContextMenu.MenuItems.Add(item);
moel@111:           } else {
moel@156:             MenuItem item = new MenuItem("Unhide");
moel@111:             item.Click += delegate(object obj, EventArgs args) {
moel@111:               node.IsVisible = true;
moel@111:             };
moel@156:             sensorContextMenu.MenuItems.Add(item);
moel@176:           }
moel@176:           sensorContextMenu.MenuItems.Add(new MenuItem("-"));
moel@178:           {
moel@178:             MenuItem item = new MenuItem("Show in Tray");
moel@178:             item.Checked = systemTray.Contains(node.Sensor);
moel@178:             item.Click += delegate(object obj, EventArgs args) {
moel@178:               if (item.Checked)
moel@178:                 systemTray.Remove(node.Sensor);
moel@178:               else
moel@178:                 systemTray.Add(node.Sensor, true);
moel@178:             };
moel@178:             sensorContextMenu.MenuItems.Add(item);
moel@178:           }
moel@178:           {
moel@178:             MenuItem item = new MenuItem("Show in Gadget");
moel@178:             item.Checked = gadget.Contains(node.Sensor);
moel@178:             item.Click += delegate(object obj, EventArgs args) {
moel@178:               if (item.Checked) {
moel@178:                 gadget.Remove(node.Sensor);
moel@178:               } else {
moel@178:                 gadget.Add(node.Sensor);
moel@178:               }
moel@178:             };
moel@178:             sensorContextMenu.MenuItems.Add(item);
moel@178:           }
moel@176: 
moel@156:           sensorContextMenu.Show(treeView, new Point(m.X, m.Y));
moel@40:         }
moel@40:       }
moel@1:     }
moel@1: 
moel@156:     private void saveReportMenuItem_Click(object sender, EventArgs e) {
moel@83:       string report = computer.GetReport();
moel@83:       if (saveFileDialog.ShowDialog() == DialogResult.OK) {
moel@83:         using (TextWriter w = new StreamWriter(saveFileDialog.FileName)) {
moel@83:           w.Write(report);
moel@83:         }
moel@83:       }
moel@1:     }
moel@1: 
moel@82:     private void SysTrayHideShow() {
moel@82:       Visible = !Visible;
moel@82:       if (Visible)
moel@82:         Activate();    
moel@27:     }
moel@27: 
moel@27:     protected override void WndProc(ref Message m) {
moel@27:       const int WM_SYSCOMMAND = 0x112;
moel@27:       const int SC_MINIMIZE = 0xF020;
moel@156:       if (minimizeToTray.Value && 
moel@28:         m.Msg == WM_SYSCOMMAND && m.WParam.ToInt32() == SC_MINIMIZE) {
moel@82:         SysTrayHideShow();
moel@27:       } else {      
moel@27:         base.WndProc(ref m);
moel@27:       }
moel@27:     }
moel@27: 
moel@82:     private void hideShowClick(object sender, EventArgs e) {
moel@82:       SysTrayHideShow();
moel@27:     }
moel@27: 
moel@156:     private void removeMenuItem_Click(object sender, EventArgs e) {
moel@156:       MenuItem item = sender as MenuItem;
moel@40:       if (item == null)
moel@40:         return;
moel@40: 
moel@156:       ISensor sensor = item.Parent.Tag as ISensor;
moel@40:       if (sensor == null)
moel@40:         return;
moel@40: 
moel@133:       systemTray.Remove(sensor);
moel@40:     }
moel@63: 
moel@63:     private void ShowParameterForm(ISensor sensor) {
moel@63:       ParameterForm form = new ParameterForm();
moel@63:       form.Parameters = sensor.Parameters;
moel@63:       form.captionLabel.Text = sensor.Name;
moel@63:       form.ShowDialog();
moel@63:     }
moel@63: 
moel@63:     private void treeView_NodeMouseDoubleClick(object sender, 
moel@63:       TreeNodeAdvMouseEventArgs e) {
moel@63:       SensorNode node = e.Node.Tag as SensorNode;
moel@63:       if (node != null && node.Sensor != null && 
moel@63:         node.Sensor.Parameters.Length > 0) {
moel@63:         ShowParameterForm(node.Sensor);
moel@63:       }
moel@63:     }
moel@82: 
moel@156:     private void celciusMenuItem_Click(object sender, EventArgs e) {
moel@156:       celciusMenuItem.Checked = true;
moel@156:       fahrenheitMenuItem.Checked = false;
moel@165:       unitManager.TemperatureUnit = TemperatureUnit.Celcius;
moel@122:     }
moel@122: 
moel@156:     private void fahrenheitMenuItem_Click(object sender, EventArgs e) {
moel@156:       celciusMenuItem.Checked = false;
moel@156:       fahrenheitMenuItem.Checked = true;
moel@165:       unitManager.TemperatureUnit = TemperatureUnit.Fahrenheit;
moel@122:     }
moel@150: 
moel@156:     private void sumbitReportMenuItem_Click(object sender, EventArgs e) 
moel@150:     {
moel@150:       ReportForm form = new ReportForm();
moel@150:       form.Report = computer.GetReport();
moel@150:       form.ShowDialog();      
moel@150:     }
moel@151: 
moel@151:     private void resetMinMaxMenuItem_Click(object sender, EventArgs e) {
moel@159:       computer.Accept(new SensorVisitor(delegate(ISensor sensor) {
moel@159:         sensor.ResetMin();
moel@159:         sensor.ResetMax();
moel@159:       }));
moel@151:     }
moel@1:   }
moel@1: }