#region License Information
/* HeuristicLab
* Copyright (C) 2002-2013 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.Globalization;
using System.Linq;
using System.Windows.Forms;
using HeuristicLab.Common;
namespace HeuristicLab.MainForm.WindowsForms {
public partial class DefineArithmeticTimeSpanProgressionDialog : Form {
public TimeSpan Minimum { get; private set; }
public TimeSpan Maximum { get; private set; }
public TimeSpan Step { get; private set; }
public IEnumerable Values {
get { return EnumerateProgression().Reverse(); }
}
public DefineArithmeticTimeSpanProgressionDialog() {
InitializeComponent();
Icon = HeuristicLab.Common.Resources.HeuristicLab.Icon;
Minimum = TimeSpan.Zero; Maximum = TimeSpan.FromSeconds(60); Step = TimeSpan.FromSeconds(10);
}
public DefineArithmeticTimeSpanProgressionDialog(TimeSpan minimum, TimeSpan maximum, TimeSpan step)
: this() {
Minimum = minimum;
Maximum = maximum;
Step = step;
}
private void DefineArithmeticTimeSpanProgressionDialog_Load(object sender, System.EventArgs e) {
minimumTextBox.Text = TimeSpanHelper.FormatNatural(Minimum, true);
maximumTextBox.Text = TimeSpanHelper.FormatNatural(Maximum, true);
stepSizeTextBox.Text = TimeSpanHelper.FormatNatural(Step, true);
}
private void textBox_Validating(object sender, CancelEventArgs e) {
var textBox = (TextBox)sender;
TimeSpan value;
errorProvider.SetError(textBox, String.Empty);
if (!TimeSpanHelper.TryGetFromNaturalFormat(textBox.Text, out value)) {
errorProvider.SetError(textBox, "Please enter a valid timespan.");
e.Cancel = true;
return;
}
if (textBox == minimumTextBox) Minimum = value;
else if (textBox == maximumTextBox) Maximum = value;
else if (textBox == stepSizeTextBox) Step = value;
okButton.Enabled = IsValid();
}
private bool IsValid() {
return Minimum <= Maximum && Step >= TimeSpan.Zero;
}
private IEnumerable EnumerateProgression() {
var value = Maximum;
var minimumIncluded = false;
while (value >= Minimum) {
if (value == Minimum) minimumIncluded = true;
yield return value;
if (Step == TimeSpan.Zero) break; // a step size of 0 will only output maximum and minimum
value = value.Subtract(Step);
}
if (!minimumIncluded) {
yield return Minimum;
}
}
}
}