private void BuildView()
{
this.SuspendLayout();
var tabs = new CustomTabControl() { Dock = DockStyle.Fill };
tabs.DisplayStyleProvider = new TabStyleVisualStudioProvider(tabs) { ShowTabCloser = true };
tabs.TabClosing += (sender, args) => ((CustomTab)args.TabPage).RaiseClosingSafe(args);
var startTab = new CustomTab() { Text = "Classifiers " }; // the ending space is necessary for some reason
startTab.Closing += (sender, args) =>
{
args.Cancel = true;
if (GUIUtils.IsUserSure("Reset classifiers?"))
{
this.classifierTabs.Clear();
this.Controls.Remove(tabs);
tabs.Dispose();
this.BuildView();
this.OnSizeChanged(EventArgs.Empty);
}
};
// classifier list
var classifierList = new CheckedListBox() { Dock = DockStyle.Fill, CheckOnClick = true };
classifierList.AddContextMenu();
Action<ClassificationScheme> addClassifier = (scheme) =>
{
// get unique name if necessary
string baseName = string.IsNullOrWhiteSpace(scheme.Settings.Name)
? "new classifier"
: scheme.Settings.Name;
if (!this.classifierTabs.Select(ct => ct.Text).Contains(baseName))
scheme.Settings.Name = baseName;
else
{
int i = 1;
while (this.classifierTabs
.Select(ct => ct.Text.ToLower())
.Contains(string.Format("{0} {1}", baseName, i)))
i++;
scheme.Settings.Name = string.Format("{0} {1}", baseName, i);
}
// create the tab
var classifierTab = new ClassificationSchemeTab(scheme);
classifierTab.TextChanged += (sender, args) => classifierList.Invalidate();
classifierTab.Closing += (sender, args) =>
{
this.classifierTabs.Remove(classifierTab);
classifierList.Items.Remove(classifierTab);
};
this.classifierTabs.Add(classifierTab);
tabs.TabPages.Add(classifierTab);
classifierList.Items.Add(classifierTab, true);
};
this.getSelectedClassifiers = () => classifierList.CheckedItems.Cast<ClassificationSchemeTab>().Select(cst => cst.ClassificationScheme).ToIArray();
// buttons
var buttonTable = GUIUtils.CreateButtonTable(Direction.Horizontal, DockStyle.Bottom,
GUIUtils.CreateFlatButton("New", (b) =>
{
var classifier = classifierList.Items.Count > 0
? ((ClassificationSchemeTab)(classifierList.SelectedItem ?? classifierList.Items[0])).ClassificationScheme
: new ClassificationScheme();
classifier.Settings.Name = string.Empty;
addClassifier(classifier);
}, startTab.ToolTip, "Create a new classifier"),
GUIUtils.CreateFlatButton("Load", (b) =>
{
if (this.openDialog.ShowDialog() != DialogResult.OK)
return;
ClassificationScheme scheme;
foreach (var path in this.openDialog.FileNames)
{
if (Utils.TryDeserializeFile(this.openDialog.FileName, out scheme))
addClassifier(scheme);
else
GUIUtils.Alert("Failed to load classifier info from " + path, MessageBoxIcon.Error);
}
}, startTab.ToolTip, "Load a previously saved classifier settings file"));
// artifact detection config
var artifactDetectionPanel = new ConfigurationPanel(this.artifactDetection);
artifactDetectionPanel.PropertyChanged += args => this.artifactDetection.SetProperty(args.Property, args.Getter());
// artifact detection label
var artifactDetectionLabel = new Label() { Dock = DockStyle.Bottom, TextAlign = ContentAlignment.MiddleCenter, Visible = false };
IEnumerable<EEGDataEntry> empty = new EEGDataEntry[0], entries = empty;
var listener = new EEGDataListener(GUIUtils.GUIInvoker,
source => artifactDetectionLabel.Visible = true,
data =>
{
if (!this.artifactDetection.UseArtifactDetection)
{
artifactDetectionLabel.Visible = false;
entries = empty;
return;
}
artifactDetectionLabel.Visible = true;
entries = entries.Concat(data);
if (data.LastItem().TimeStamp - entries.First().TimeStamp >= 500)
{
if (this.artifactDetection.HasMotionArtifact(entries))
{
artifactDetectionLabel.Text = "Motion artifact detected!";
artifactDetectionLabel.BackColor = Color.Red;
artifactDetectionLabel.ForeColor = Color.White;
if (this.artifactDetection.Beep)
GUIUtils.GUIInvoker.BeginInvoke(SystemSounds.Beep.Play);
}
else
{
artifactDetectionLabel.Text = "No artifacts detected";
artifactDetectionLabel.BackColor = Color.Green;
artifactDetectionLabel.ForeColor = Color.Black;
}
entries = empty;
}
},
source => artifactDetectionLabel.Visible = false);
// avoid using the gui invoker before the handle has been created
this.HandleCreated += (sender, args) => EmotivDataSource.Instance.AddListener(listener);
artifactDetectionLabel.Disposed += (sender, args) => { EmotivDataSource.Instance.RemoveListener(listener); listener.Dispose(); };
// right half
var rightPanel = new Panel() { Dock = DockStyle.Fill };
rightPanel.Controls.Add(classifierList);
rightPanel.Controls.Add(buttonTable);
// left half
var leftPanel = new Panel() { Dock = DockStyle.Fill };
leftPanel.Controls.Add(artifactDetectionPanel);
leftPanel.Controls.Add(artifactDetectionLabel);
var cols = GUIUtils.CreateTable(new double[] { .5, .5 }, Direction.Horizontal);
cols.Controls.Add(rightPanel, 0, 0);
cols.Controls.Add(leftPanel, 1, 0);
startTab.Controls.Add(cols);
tabs.TabPages.Add(startTab);
this.Controls.Add(tabs);
this.ResumeLayout(false);
}
private void BuildView()
{
this.SuspendLayout();
this.StimulusClass1 = this.StimulusClass2 = null;
// tab control
var tabs = new CustomTabControl() { Dock = DockStyle.Fill };
tabs.DisplayStyleProvider = new TabStyleVisualStudioProvider(tabs) { ShowTabCloser = true };
tabs.TabClosing += (sender, args) => ((CustomTab)args.TabPage).RaiseClosingSafe(args);
// start tab
var startTab = new CustomTab() { Text = "Classes" };
// columns
var cols = GUIUtils.CreateTable(new double[] { .33, .33, .33 }, Direction.Horizontal);
// image config
var imageConfig = ConfigurationPanel.Create<ImageDisplaySettings>();
// image panel
var imagePanel = new ImagePanel() { Dock = DockStyle.Fill, UseNativeSize = false };
bool cycle = true;
var rand = new Random();
Func<StimulusClass, string> getImageForClass = stimulusClass =>
{
var tab = this.stimulusClassTabs.First(t => t.StimulusClass == stimulusClass);
if (tab.StimulusClass.Stimuli.Count == 0)
return null;
if (!((ImageDisplaySettings)imageConfig.GetConfiguredObject()).CycleThroughImages)
return (tab.SelectedStimulus ?? tab.StimulusClass.Stimuli.First()).PathOrText;
return tab.StimulusClass.Stimuli.ElementAt(rand.Next(tab.StimulusClass.Stimuli.Count)).PathOrText;
};
Action setImage = () =>
{
imagePanel.ImagePath = this.StimulusClass1 == null
? null
: getImageForClass(this.StimulusClass1);
imagePanel.SecondaryImagePath = this.StimulusClass2 == null
? null
: getImageForClass(this.StimulusClass2);
};
setImage();
var timer = new Timer() { Interval = 2500, Enabled = true };
timer.Tick += (sender, args) =>
{
// just return if we're not cycling to avoid flicker
if (!cycle && !timer.Enabled)
return;
// if the form is valid, set a new image
var activeTextBox = this.FindForm().ActiveControl as TextBox;
if (activeTextBox == null || activeTextBox.IsValid())
setImage();
};
Action<ImageDisplaySettings> configurePanel = settings =>
{
imagePanel.Configure(settings);
if (settings.CycleThroughImages != cycle)
{
cycle = settings.CycleThroughImages;
setImage();
}
this.ImageDisplaySettings = settings;
};
configurePanel((ImageDisplaySettings)imageConfig.GetConfiguredObject());
imageConfig.PropertyChanged += args => configurePanel((ImageDisplaySettings)imageConfig.GetConfiguredObject());
// class list
var classList = new CheckedListBox() { Dock = DockStyle.Fill, AllowDrop = true, CheckOnClick = true };
classList.AddContextMenu();
ItemCheckEventHandler refreshSelectedClasses = (sender, args) =>
{
// get the list of checked indices, including the possibly not-yet-changed item
List<int> checkedIndices = classList.CheckedIndices.Cast<int>().ToList();
if (args != null)
{
if (args.NewValue == CheckState.Checked)
{
checkedIndices.Add(args.Index);
checkedIndices.Sort();
}
else
checkedIndices.Remove(args.Index);
}
this.StimulusClass1 = this.StimulusClass2 = null;
if (checkedIndices.Count > 0)
{
this.StimulusClass1 = ((StimulusClassTab)classList.Items[checkedIndices[0]]).StimulusClass;
if (checkedIndices.Count > 1)
this.StimulusClass2 = ((StimulusClassTab)classList.Items[checkedIndices[1]]).StimulusClass;
}
setImage();
};
Action<string> addClass = path =>
{
StimulusClass stimulusClass;
if (!StimulusClass.TryLoad(path, out stimulusClass))
GUIUtils.Alert("Failed to load stimulus class from " + path, MessageBoxIcon.Error);
else if (this.stimulusClassTabs
.Count(tp => tp.StimulusClass.SourceFolder.Equals(path, StringComparison.OrdinalIgnoreCase)
|| tp.StimulusClass.SavePath.Equals(path, StringComparison.OrdinalIgnoreCase)) > 0)
GUIUtils.Alert("A class from " + path + " is already loaded!", MessageBoxIcon.Exclamation);
else
{
// get a unique marker unless this was the load of a saved class
if (!File.Exists(stimulusClass.SavePath))
stimulusClass.Settings.Marker = this.stimulusClassTabs.Count == 0
? 1
: this.stimulusClassTabs.Max(s => s.StimulusClass.Settings.Marker) + 1;
var classTab = new StimulusClassTab(stimulusClass);
classTab.TextChanged += (sender, args) => classList.Invalidate();
classTab.Closing += (sender, args) =>
{
this.stimulusClassTabs.Remove(classTab);
classList.Items.Remove(classTab);
refreshSelectedClasses(classList, null);
};
this.stimulusClassTabs.Add(classTab);
tabs.TabPages.Add(classTab);
classList.Items.Add(classTab, true);
refreshSelectedClasses(classList, null);
}
};
classList.ItemCheck += refreshSelectedClasses;
classList.DragEnter += (sender, args) =>
{
if (args.Data.GetDataPresent(DataFormats.FileDrop, false)
&& ((string[])args.Data.GetData(DataFormats.FileDrop)).Where(StimulusClass.IsValidLoadPath).Count() > 0)
args.Effect = DragDropEffects.All;
};
classList.DragDrop += (sender, args) =>
{
// check that the form is in a valid state
var activeTextBox = this.FindForm().ActiveControl as TextBox;
if (activeTextBox != null && !activeTextBox.IsValid())
{
GUIUtils.Alert("All entered data must be valid in order for drag and drop to be enabled", MessageBoxIcon.Error);
return;
}
string[] data = (string[])args.Data.GetData(DataFormats.FileDrop);
foreach (string path in data.Where(StimulusClass.IsValidLoadPath))
addClass(path);
};
// button table
var buttonTable = GUIUtils.CreateButtonTable(Direction.Horizontal, DockStyle.Bottom,
GUIUtils.CreateFlatButton("New", b =>
{
if (this.folderDialog.ShowDialog() == DialogResult.OK)
addClass(this.folderDialog.SelectedPath);
}, startTab.ToolTip, "Create a new stimulus class from a folder of images"),
GUIUtils.CreateFlatButton("Load", b =>
{
if (this.fileDialog.ShowDialog() == DialogResult.OK)
addClass(this.fileDialog.FileName);
}, startTab.ToolTip, "Load a previously saved stimulus class settings file"));
startTab.Closing += (sender, args) =>
{
args.Cancel = true;
if (GUIUtils.IsUserSure("Reset stimulus classes?"))
{
this.stimulusClassTabs.Clear();
this.Controls.Remove(tabs);
tabs.Dispose();
timer.Enabled = false;
timer.Dispose();
this.BuildView();
this.OnSizeChanged(EventArgs.Empty);
}
};
// add all controls
// left column
var panel = new Panel() { Dock = DockStyle.Fill };
panel.Controls.Add(classList);
panel.Controls.Add(buttonTable);
cols.Controls.Add(panel, 0, 0);
// middle column
cols.Controls.Add(imageConfig, 1, 0);
// right column
cols.Controls.Add(imagePanel, 2, 0);
startTab.Controls.Add(cols);
tabs.Controls.Add(startTab);
this.Controls.Add(tabs);
this.ResumeLayout(false);
}
