#region License Information /* HeuristicLab * Copyright (C) 2002-2010 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.Windows.Forms; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Core.Views; using HeuristicLab.MainForm; using HeuristicLab.Persistence.Default.Xml; namespace HeuristicLab.Optimization.Views { /// /// The base class for visual representations of items. /// [View("Algorithm View")] [Content(typeof(Algorithm), true)] [Content(typeof(IAlgorithm), false)] public partial class AlgorithmView : NamedItemView { private TypeSelectorDialog problemTypeSelectorDialog; public new IAlgorithm Content { get { return (IAlgorithm)base.Content; } set { base.Content = value; } } /// /// Initializes a new instance of . /// public AlgorithmView() { InitializeComponent(); } protected override void OnInitialized(EventArgs e) { // Set order of tab pages according to z order. // NOTE: This is required due to a bug in the VS designer. List tabPages = new List(); for (int i = 0; i < tabControl.Controls.Count; i++) { tabPages.Add(tabControl.Controls[i]); } tabControl.Controls.Clear(); foreach (Control control in tabPages) tabControl.Controls.Add(control); base.OnInitialized(e); } protected override void DeregisterContentEvents() { Content.ExceptionOccurred -= new EventHandler>(Content_ExceptionOccurred); Content.ExecutionStateChanged -= new EventHandler(Content_ExecutionStateChanged); Content.ExecutionTimeChanged -= new EventHandler(Content_ExecutionTimeChanged); Content.Prepared -= new EventHandler(Content_Prepared); Content.ProblemChanged -= new EventHandler(Content_ProblemChanged); base.DeregisterContentEvents(); } protected override void RegisterContentEvents() { base.RegisterContentEvents(); Content.ExceptionOccurred += new EventHandler>(Content_ExceptionOccurred); Content.ExecutionStateChanged += new EventHandler(Content_ExecutionStateChanged); Content.ExecutionTimeChanged += new EventHandler(Content_ExecutionTimeChanged); Content.Prepared += new EventHandler(Content_Prepared); Content.ProblemChanged += new EventHandler(Content_ProblemChanged); } protected override void OnContentChanged() { base.OnContentChanged(); if (Content == null) { parameterCollectionView.Content = null; problemViewHost.Content = null; resultsView.Content = null; runsView.Content = null; executionTimeTextBox.Text = "-"; } else { parameterCollectionView.Content = Content.Parameters; problemViewHost.ViewType = null; problemViewHost.Content = Content.Problem; resultsView.Content = Content.Results.AsReadOnly(); runsView.Content = Content.Runs; executionTimeTextBox.Text = Content.ExecutionTime.ToString(); } SetEnableStateOfControls(); } protected override void OnReadOnlyChanged() { base.OnReadOnlyChanged(); SetEnableStateOfControls(); } private void SetEnableStateOfControls() { parameterCollectionView.Enabled = Content != null; newProblemButton.Enabled = Content != null && !ReadOnly; openProblemButton.Enabled = Content != null && !ReadOnly; problemViewHost.Enabled = Content != null; resultsView.Enabled = Content != null; runsView.Enabled = Content != null; executionTimeTextBox.Enabled = Content != null; SetEnabledStateOfExecutableButtons(); } protected override void OnClosed(FormClosedEventArgs e) { if ((Content != null) && (Content.ExecutionState == ExecutionState.Started)) Content.Stop(); base.OnClosed(e); } #region Content Events protected virtual void Content_ProblemChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_ProblemChanged), sender, e); else { problemViewHost.ViewType = null; problemViewHost.Content = Content.Problem; } } protected virtual void Content_Prepared(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_Prepared), sender, e); else resultsView.Content = Content.Results.AsReadOnly(); } protected virtual void Content_ExecutionStateChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_ExecutionStateChanged), sender, e); else { ReadOnly = Content.ExecutionState == ExecutionState.Started; Locked = Content.ExecutionState == ExecutionState.Started; SetEnabledStateOfExecutableButtons(); } } protected virtual void Content_ExecutionTimeChanged(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler(Content_ExecutionTimeChanged), sender, e); else executionTimeTextBox.Text = Content.ExecutionTime.ToString(); } protected virtual void Content_ExceptionOccurred(object sender, EventArgs e) { if (InvokeRequired) Invoke(new EventHandler>(Content_ExceptionOccurred), sender, e); else Auxiliary.ShowErrorMessageBox(e.Value); } #endregion #region Control Events protected virtual 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(Content.ProblemType, false, true); } if (problemTypeSelectorDialog.ShowDialog(this) == DialogResult.OK) { try { Content.Problem = (IProblem)problemTypeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType(); } catch (Exception ex) { Auxiliary.ShowErrorMessageBox(ex); } } } protected virtual void openProblemButton_Click(object sender, EventArgs e) { openFileDialog.Title = "Open Problem"; if (openFileDialog.ShowDialog(this) == DialogResult.OK) { newProblemButton.Enabled = openProblemButton.Enabled = false; problemViewHost.Enabled = false; ContentManager.LoadAsync(openFileDialog.FileName, delegate(IStorableContent content, Exception error) { try { if (error != null) throw error; IProblem problem = content as IProblem; if (problem == null) Invoke(new Action(() => MessageBox.Show(this, "The selected file does not contain a problem.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error))); else if (!Content.ProblemType.IsInstanceOfType(problem)) Invoke(new Action(() => MessageBox.Show(this, "The selected file contains a problem type which is not supported by this algorithm.", "Invalid Problem Type", MessageBoxButtons.OK, MessageBoxIcon.Error))); else Content.Problem = problem; } catch (Exception ex) { Invoke(new Action(() => Auxiliary.ShowErrorMessageBox(ex))); } finally { Invoke(new Action(delegate() { problemViewHost.Enabled = true; newProblemButton.Enabled = openProblemButton.Enabled = true; })); } }); } } protected virtual void startButton_Click(object sender, EventArgs e) { Content.Start(); } protected virtual void pauseButton_Click(object sender, EventArgs e) { Content.Pause(); } protected virtual void stopButton_Click(object sender, EventArgs e) { Content.Stop(); } protected virtual void resetButton_Click(object sender, EventArgs e) { Content.Prepare(false); } protected virtual void problemPanel_DragEnterOver(object sender, DragEventArgs e) { e.Effect = DragDropEffects.None; Type type = e.Data.GetData("Type") as Type; if ((type != null) && (Content.ProblemType.IsAssignableFrom(type))) { 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; } } protected virtual void problemPanel_DragDrop(object sender, DragEventArgs e) { if (e.Effect != DragDropEffects.None) { IProblem problem = e.Data.GetData("Value") as IProblem; if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) problem = (IProblem)problem.Clone(); Content.Problem = problem; } } #endregion #region Helpers private void SetEnabledStateOfExecutableButtons() { if (Content == null) { startButton.Enabled = pauseButton.Enabled = stopButton.Enabled = resetButton.Enabled = false; } else { 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; } } #endregion } }