#region License Information /* HeuristicLab * Copyright (C) 2002-2008 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.ComponentModel; using System.Drawing; using System.Data; using System.Text; using System.Windows.Forms; using HeuristicLab.Core; using HeuristicLab.Core.Views; using HeuristicLab.MainForm; namespace HeuristicLab.Data { /// /// The visual representation of the class , symbolizing a double value. /// [Content(typeof(DoubleData), true)] public partial class DoubleDataView : ItemViewBase { /// /// Gets or sets the double value to represent visually. /// /// Uses property of base class /// . No own data storage present. public DoubleData DoubleData { get { return (DoubleData)Item; } set { base.Item = value; } } /// /// Initializes a new instance of the class . /// public DoubleDataView() { InitializeComponent(); } /// /// Initializes a new instance of the class with the given /// . /// No CopyConstructor! is not copied! /// /// The double value to represent visually. public DoubleDataView(DoubleData doubleData) : this() { DoubleData = doubleData; } /// /// Removes the eventhandler from the underlying . /// /// Calls of base class . /// protected override void RemoveItemEvents() { DoubleData.Changed -= new EventHandler(DoubleData_Changed); base.RemoveItemEvents(); } /// /// Adds an eventhandler to the underlying . /// /// Calls of base class . /// protected override void AddItemEvents() { base.AddItemEvents(); DoubleData.Changed += new EventHandler(DoubleData_Changed); } /// /// Updates the controls with the latest double value. /// protected override void UpdateControls() { base.UpdateControls(); if (DoubleData == null) { dataTextBox.Enabled = false; } else { dataTextBox.Enabled = true; dataTextBox.Text = DoubleData.Data.ToString("r"); } } private void dataTextBox_Validating(object sender, CancelEventArgs e) { e.Cancel = false; try { DoubleData.Data = double.Parse(dataTextBox.Text); } catch (Exception) { dataTextBox.SelectAll(); e.Cancel = true; } } private void DoubleData_Changed(object sender, EventArgs e) { Refresh(); } } }