#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.ComponentModel; using System.Linq; using System.Windows.Forms; using HeuristicLab.Collections; using HeuristicLab.Core; using HeuristicLab.Core.Views; using HeuristicLab.Data; using HeuristicLab.MainForm; namespace HeuristicLab.Problems.ExternalEvaluation.GP.Views { [View("Variable View")] [Content(typeof(Variable), IsDefaultView = true)] public sealed partial class VariableSymbolView : NamedItemView { private CheckedItemCollectionView variableNamesView; private CheckedItemCollection variableNames; private bool suppressDownstreamSynchronization; public new Variable Content { get { return (Variable)base.Content; } set { base.Content = value; } } public VariableSymbolView() { InitializeComponent(); variableNamesView = new CheckedItemCollectionView(); variableNamesView.Dock = DockStyle.Fill; variableNamesTabPage.Controls.Add(variableNamesView); } protected override void DeregisterContentEvents() { Content.Changed += new EventHandler(Content_Changed); base.DeregisterContentEvents(); } protected override void RegisterContentEvents() { base.RegisterContentEvents(); Content.Changed -= new EventHandler(Content_Changed); } #region Event Handlers (Content) private void Content_Changed(object sender, EventArgs e) { SynchronizeVariableNames(); SynchronizeParameters(); } #endregion protected override void OnContentChanged() { base.OnContentChanged(); if (Content == null) { variableNamesView.Content = null; } else { SynchronizeVariableNames(); SynchronizeParameters(); } } private void SynchronizeVariableNames() { suppressDownstreamSynchronization = true; variableNames = new CheckedItemCollection(); variableNamesView.Content = variableNames; variableNames.AddRange(Content.VariableNames.Select(x => new StringValue(x)).ToList()); variableNames.ItemsAdded += new CollectionItemsChangedEventHandler(variableNames_Changed); variableNames.ItemsRemoved += new CollectionItemsChangedEventHandler(variableNames_Changed); variableNames.CheckedItemsChanged += new CollectionItemsChangedEventHandler(variableNames_Changed); variableNames.CollectionReset += new CollectionItemsChangedEventHandler(variableNames_Changed); suppressDownstreamSynchronization = false; } private void SynchronizeParameters() { suppressDownstreamSynchronization = true; weightNuTextBox.Text = Content.WeightNu.ToString(); weightSigmaTextBox.Text = Content.WeightSigma.ToString(); weightManipulatorNuTextBox.Text = Content.WeightManipulatorNu.ToString(); weightManipulatorSigmaTextBox.Text = Content.WeightManipulatorSigma.ToString(); suppressDownstreamSynchronization = false; } protected override void SetEnabledStateOfControls() { base.SetEnabledStateOfControls(); weightNuTextBox.Enabled = !ReadOnly && Content != null; weightSigmaTextBox.Enabled = !ReadOnly && Content != null; weightManipulatorNuTextBox.Enabled = !ReadOnly && Content != null; weightManipulatorSigmaTextBox.Enabled = !ReadOnly && Content != null; } #region Event Handlers (child controls) private void variableNames_Changed(object sender, CollectionItemsChangedEventArgs args) { if (!suppressDownstreamSynchronization && Content != null) { Content.VariableNames = variableNames.CheckedItems.Select(x => x.Value).ToList(); } } private void weightTextBox_Validating(object sender, CancelEventArgs e) { e.Cancel = false; if (!suppressDownstreamSynchronization && Content != null) { TextBox textBox = (sender as TextBox); if (textBox == null) throw new ArgumentException("Event handler expected a TextBox as sender", "sender"); double value; if (!double.TryParse(textBox.Text, out value)) e.Cancel = true; else { if (textBox == weightNuTextBox) { Content.WeightNu = value; } else if (textBox == weightSigmaTextBox) { Content.WeightSigma = value; } else if (textBox == weightManipulatorNuTextBox) { Content.WeightManipulatorNu = value; } else if (textBox == weightManipulatorSigmaTextBox) { Content.WeightManipulatorSigma = value; } else throw new ArgumentException("Unknown sender when trying to set the weights of the variable symbol."); } } } #endregion } }