#region License Information
/* HeuristicLab
* Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Core.Views;
using HeuristicLab.MainForm;
using HeuristicLab.Optimization;
using HeuristicLab.PluginInfrastructure;
using HeuristicLab.Problems.DataAnalysis;
namespace HeuristicLab.Algorithms.DataAnalysis.Views {
[View("CrossValidation View")]
[Content(typeof(CrossValidation), true)]
public sealed partial class CrossValidationView : NamedItemView {
private TypeSelectorDialog algorithmTypeSelectorDialog;
private TypeSelectorDialog problemTypeSelectorDialog;
public CrossValidationView() {
InitializeComponent();
}
public new CrossValidation Content {
get { return (CrossValidation)base.Content; }
set { base.Content = value; }
}
protected override void OnContentChanged() {
base.OnContentChanged();
if (Content == null) {
workersNumericUpDown.Value = 1;
foldsNumericUpDown.Value = 2;
samplesStartStringConvertibleValueView.Content = null;
samplesEndStringConvertibleValueView.Content = null;
algorithmNamedItemView.Content = null;
algorithmProblemViewHost.Content = null;
algorithmParameterCollectionView.Content = null;
resultCollectionView.Content = null;
runCollectionView.Content = null;
storeAlgorithmInEachRunCheckBox.Checked = true;
shuffleSamplesCheckBox.Checked = false;
} else {
Locked = ReadOnly = Content.ExecutionState == ExecutionState.Started;
workersNumericUpDown.Value = Content.NumberOfWorkers.Value;
foldsNumericUpDown.Value = Content.Folds.Value;
samplesStartStringConvertibleValueView.Content = Content.SamplesStart;
samplesEndStringConvertibleValueView.Content = Content.SamplesEnd;
UpdateAlgorithmView();
UpdateProblemView();
runCollectionView.Content = Content.Runs;
algorithmParameterCollectionView.Content = ((IParameterizedNamedItem)Content).Parameters;
resultCollectionView.Content = Content.Results;
executionTimeTextBox.Text = Content.ExecutionTime.ToString();
storeAlgorithmInEachRunCheckBox.Checked = Content.StoreAlgorithmInEachRun;
shuffleSamplesCheckBox.Checked = Content.ShuffleSamples.Value;
}
}
protected override void RegisterContentEvents() {
base.RegisterContentEvents();
Content.AlgorithmChanged += new EventHandler(Content_AlgorithmChanged);
Content.ProblemChanged += new EventHandler(Content_ProblemChanged);
Content.Folds.ValueChanged += new EventHandler(Content_Folds_ValueChanged);
Content.NumberOfWorkers.ValueChanged += new EventHandler(Content_NumberOfWorker_ValueChanged);
Content.ExceptionOccurred += new EventHandler>(Content_ExceptionOccurred);
Content.ExecutionStateChanged += new EventHandler(Content_ExecutionStateChanged);
Content.ExecutionTimeChanged += new EventHandler(Content_ExecutionTimeChanged);
Content.StoreAlgorithmInEachRunChanged += new EventHandler(Content_StoreAlgorithmInEachRunChanged);
}
protected override void DeregisterContentEvents() {
Content.AlgorithmChanged -= new EventHandler(Content_AlgorithmChanged);
Content.ProblemChanged -= new EventHandler(Content_ProblemChanged);
Content.Folds.ValueChanged -= new EventHandler(Content_Folds_ValueChanged);
Content.NumberOfWorkers.ValueChanged -= new EventHandler(Content_NumberOfWorker_ValueChanged);
Content.ExceptionOccurred -= new EventHandler>(Content_ExceptionOccurred);
Content.ExecutionStateChanged -= new EventHandler(Content_ExecutionStateChanged);
Content.ExecutionTimeChanged -= new EventHandler(Content_ExecutionTimeChanged);
Content.StoreAlgorithmInEachRunChanged -= new EventHandler(Content_StoreAlgorithmInEachRunChanged);
base.DeregisterContentEvents();
}
protected override void OnClosed(FormClosedEventArgs e) {
if ((Content != null) && (Content.ExecutionState == ExecutionState.Started)) {
//The content must be stopped if no other view showing the content is available
var optimizers = MainFormManager.MainForm.Views.OfType().Where(v => v != this).Select(v => v.Content).OfType();
if (!optimizers.Contains(Content)) {
var nestedOptimizers = optimizers.SelectMany(opt => opt.NestedOptimizers);
if (!nestedOptimizers.Contains(Content)) Content.Stop();
}
}
base.OnClosed(e);
}
protected override void SetEnabledStateOfControls() {
if (InvokeRequired) Invoke((Action)SetEnabledStateOfControls);
else {
base.SetEnabledStateOfControls();
this.Enabled = Content != null;
if (Content != null) {
storeAlgorithmInEachRunCheckBox.Enabled = !ReadOnly;
openAlgorithmButton.Enabled = !ReadOnly;
newAlgorithmButton.Enabled = !ReadOnly;
algorithmNamedItemView.Enabled = Content.Algorithm != null && (Content.ExecutionState == ExecutionState.Prepared || Content.ExecutionState == ExecutionState.Stopped);
algorithmTabControl.Enabled = Content.Algorithm != null && (Content.ExecutionState == ExecutionState.Prepared || Content.ExecutionState == ExecutionState.Stopped);
foldsNumericUpDown.Enabled = Content.ExecutionState == ExecutionState.Prepared;
samplesStartStringConvertibleValueView.Enabled = Content.ExecutionState == ExecutionState.Prepared;
samplesEndStringConvertibleValueView.Enabled = Content.ExecutionState == ExecutionState.Prepared;
workersNumericUpDown.Enabled = (Content.ExecutionState == ExecutionState.Prepared) || (Content.ExecutionState == ExecutionState.Paused);
startButton.Enabled = (Content.ExecutionState == ExecutionState.Prepared) || (Content.ExecutionState == ExecutionState.Paused);
pauseButton.Enabled = Content.ExecutionState == ExecutionState.Started;
stopButton.Enabled = (Content.ExecutionState == ExecutionState.Started) || (Content.ExecutionState == ExecutionState.Paused);
resetButton.Enabled = Content.ExecutionState != ExecutionState.Started;
// prevent changing the shuffle if the algorithm is not finished
shuffleSamplesCheckBox.Enabled = Content.ExecutionState == ExecutionState.Prepared;
}
}
}
#region Content Events
private void Content_AlgorithmChanged(object sender, EventArgs e) {
UpdateAlgorithmView();
UpdateProblemView();
SetEnabledStateOfControls();
}
private void UpdateAlgorithmView() {
algorithmNamedItemView.Content = Content.Algorithm;
UpdateProblemView();
}
private void Content_ProblemChanged(object sender, EventArgs e) {
UpdateProblemView();
SetEnabledStateOfControls();
}
private void UpdateProblemView() {
algorithmProblemViewHost.Content = Content.Problem;
}
private void Content_Folds_ValueChanged(object sender, EventArgs e) {
foldsNumericUpDown.Value = Content.Folds.Value;
}
private void Content_NumberOfWorker_ValueChanged(object sender, EventArgs e) {
workersNumericUpDown.Value = Content.NumberOfWorkers.Value;
}
private void Content_ExecutionStateChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_ExecutionStateChanged), sender, e);
else {
Locked = ReadOnly = Content.ExecutionState == ExecutionState.Started;
SetEnabledStateOfControls();
}
}
private void Content_ExecutionTimeChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_ExecutionTimeChanged), sender, e);
else
executionTimeTextBox.Text = Content == null ? "-" : Content.ExecutionTime.ToString();
}
private void Content_ExceptionOccurred(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler>(Content_ExceptionOccurred), sender, e);
else
ErrorHandling.ShowErrorDialog(this, e.Value);
}
private void Content_StoreAlgorithmInEachRunChanged(object sender, EventArgs e) {
if (InvokeRequired)
Invoke(new EventHandler(Content_StoreAlgorithmInEachRunChanged), sender, e);
else
storeAlgorithmInEachRunCheckBox.Checked = Content.StoreAlgorithmInEachRun;
}
#endregion
#region GUI events
private void shuffleSamplesCheckBox_CheckedChanged(object sender, EventArgs e) {
Content.ShuffleSamples.Value = shuffleSamplesCheckBox.Checked;
}
private void foldsNumericUpDown_Validated(object sender, EventArgs e) {
if (foldsNumericUpDown.Text == string.Empty)
foldsNumericUpDown.Text = foldsNumericUpDown.Value.ToString();
}
private void foldsNumericUpDown_ValueChanged(object sender, EventArgs e) {
if (Content != null)
Content.Folds.Value = (int)foldsNumericUpDown.Value;
}
private void workersNumericUpDown_Validated(object sender, EventArgs e) {
if (workersNumericUpDown.Text == string.Empty)
workersNumericUpDown.Text = workersNumericUpDown.Value.ToString();
}
private void workersNumericUpDown_ValueChanged(object sender, EventArgs e) {
if (Content != null)
Content.NumberOfWorkers.Value = (int)workersNumericUpDown.Value;
}
private async void startButton_Click(object sender, EventArgs e) {
await Content.StartAsync();
}
private void pauseButton_Click(object sender, EventArgs e) {
Content.Pause();
}
private void stopButton_Click(object sender, EventArgs e) {
Content.Stop();
}
private void resetButton_Click(object sender, EventArgs e) {
Content.Prepare(false);
}
private void newAlgorithmButton_Click(object sender, EventArgs e) {
if (algorithmTypeSelectorDialog == null) {
algorithmTypeSelectorDialog = new TypeSelectorDialog();
algorithmTypeSelectorDialog.Caption = "Select Algorithm";
algorithmTypeSelectorDialog.TypeSelector.Caption = "Available Algorithms";
algorithmTypeSelectorDialog.TypeSelector.Configure(typeof(IAlgorithm), false, true);
}
if (algorithmTypeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
try {
Content.Algorithm = (IAlgorithm)algorithmTypeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
} catch (Exception ex) {
ErrorHandling.ShowErrorDialog(this, ex);
}
}
}
private void openAlgorithmButton_Click(object sender, EventArgs e) {
openFileDialog.Title = "Open Algorithm";
if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
algorithmTabControl.Enabled = false;
ContentManager.LoadAsync(openFileDialog.FileName, delegate (IStorableContent content, Exception error) {
try {
if (error != null) throw error;
IAlgorithm algorithm = content as IAlgorithm;
if (algorithm == null || !(algorithm.Problem is IDataAnalysisProblem))
MessageBox.Show(this, "The selected file does not contain an algorithm or the problem of the algorithm is not a DataAnalysisProblem.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error);
else
Content.Algorithm = algorithm;
} catch (Exception ex) {
ErrorHandling.ShowErrorDialog(this, ex);
} finally {
Invoke(new Action(delegate () {
algorithmTabControl.Enabled = true;
}));
}
});
}
}
private void newProblemButton_Click(object sender, EventArgs e) {
if (problemTypeSelectorDialog == null) {
problemTypeSelectorDialog = new TypeSelectorDialog();
problemTypeSelectorDialog.Caption = "Select Problem";
problemTypeSelectorDialog.TypeSelector.Caption = "Available Problems";
}
problemTypeSelectorDialog.TypeSelector.Configure(new List() { Content.ProblemType, Content.Algorithm.ProblemType }, false, true, true);
if (problemTypeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
Content.Problem = (IDataAnalysisProblem)problemTypeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
}
}
private void openProblemButton_Click(object sender, EventArgs e) {
openFileDialog.Title = "Open Problem";
if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
newProblemButton.Enabled = openProblemButton.Enabled = false;
algorithmProblemViewHost.Enabled = false;
ContentManager.LoadAsync(openFileDialog.FileName, delegate (IStorableContent content, Exception error) {
try {
if (error != null) throw error;
IDataAnalysisProblem problem = content as IDataAnalysisProblem;
if (problem == null && (Content.Algorithm.ProblemType.IsAssignableFrom(content.GetType())))
Invoke(new Action(() =>
MessageBox.Show(this, "The selected file does not contain a DataAnalysisProblem problem.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error)));
else
Content.Problem = problem;
} catch (Exception ex) {
Invoke(new Action(() => ErrorHandling.ShowErrorDialog(this, ex)));
} finally {
Invoke(new Action(delegate () {
algorithmProblemViewHost.Enabled = true;
newProblemButton.Enabled = openProblemButton.Enabled = true;
}));
}
});
}
}
private void algorithmTabPage_DragEnterOver(object sender, DragEventArgs e) {
e.Effect = DragDropEffects.None;
IAlgorithm algorithm = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IAlgorithm;
if (!ReadOnly && algorithm != null &&
(algorithm.ProblemType != null || Content.ProblemType.IsAssignableFrom(algorithm.Problem.GetType()))) {
if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
}
}
private void algorithmTabPage_DragDrop(object sender, DragEventArgs e) {
if (e.Effect != DragDropEffects.None) {
IAlgorithm algorithm = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IAlgorithm;
if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) algorithm = (IAlgorithm)algorithm.Clone();
Content.Algorithm = algorithm;
}
}
private void algorithmProblemTabPage_DragEnterOver(object sender, DragEventArgs e) {
e.Effect = DragDropEffects.None;
if (ReadOnly) return;
IProblem problem = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IProblem;
if (problem != null && Content.ProblemType.IsAssignableFrom(problem.GetType()) &&
Content.Algorithm.ProblemType.IsAssignableFrom(problem.GetType())) {
if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
else if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy) e.Effect = DragDropEffects.Copy;
else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move) e.Effect = DragDropEffects.Move;
else if ((e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link) e.Effect = DragDropEffects.Link;
}
}
private void algorithmProblemTabPage_DragDrop(object sender, DragEventArgs e) {
if (e.Effect != DragDropEffects.None) {
IDataAnalysisProblem problem = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IDataAnalysisProblem;
if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) problem = (IDataAnalysisProblem)problem.Clone();
Content.Problem = problem;
}
}
private void storeAlgorithmInEachRunCheckBox_CheckedChanged(object sender, EventArgs e) {
if (Content != null) Content.StoreAlgorithmInEachRun = storeAlgorithmInEachRunCheckBox.Checked;
}
#endregion
}
}