#region License Information
/* HeuristicLab
* Copyright (C) 2002-2019 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 HeuristicLab.Collections;
using HeuristicLab.Core;
using HeuristicLab.MainForm;
using HeuristicLab.MainForm.WindowsForms;
namespace HeuristicLab.Problems.DataAnalysis.Views {
[View("ParsedConstraint View")]
[Content(typeof(ParsedConstraint), true)]
public partial class ParsedConstraintView : AsynchronousContentView {
private CheckedItemList intervalConstraints;
public new ParsedConstraint Content {
get => (ParsedConstraint)base.Content;
set => base.Content = value;
}
public ParsedConstraintView() {
InitializeComponent();
errorOutput.Text = "";
intervalConstraints = new CheckedItemList();
intervalConstraints.CheckedItemsChanged += constraint_CheckedItemChanged;
}
protected override void OnContentChanged() {
base.OnContentChanged();
UpdateControl();
}
private IEnumerable ParseConstraints(string input) {
return IntervalConstraintsParser.ParseInput(input, Content.ProblemData.TargetVariable,
Content.ProblemData.AllowedInputVariables);
}
private void parseBtn_Click(object sender, EventArgs e) {
if (constraintsInput.Text != null) {
ClearConstraints();
var parsedConstraints = ParseConstraints(constraintsInput.Text);
foreach (var constraint in parsedConstraints) {
constraint.Changed += constraint_Changed;
intervalConstraints.Add(constraint, constraint.Enabled);
}
constraintsOutput.Content = intervalConstraints;
Content.Constraints = intervalConstraints;
Content.Input = constraintsInput.Text;
errorOutput.Text = "";
} else {
errorOutput.Text = "No constraints were found!";
}
}
private void UpdateControl() {
if (Content == null) {
ClearConstraints();
constraintsOutput.Content = intervalConstraints.AsReadOnly();
} else {
ClearConstraints();
constraintsInput.Text = Content.Input;
foreach (var constraint in Content.Constraints) {
constraint.Changed += constraint_Changed;
intervalConstraints.Add(constraint, constraint.Enabled);
}
constraintsOutput.Content = intervalConstraints.AsReadOnly();
}
SetEnabledStateOfControls();
}
private void constraint_Changed(object sender, EventArgs e) {
var constraint = (IntervalConstraint) sender;
intervalConstraints.SetItemCheckedState(constraint, constraint.Enabled);
}
private void constraint_CheckedItemChanged(object sender,
CollectionItemsChangedEventArgs> e) {
ICheckedItemList checkedItemList = (ICheckedItemList) sender;
foreach (var indexedItem in e.Items) {
indexedItem.Value.Enabled = checkedItemList.ItemChecked(indexedItem.Value);
}
}
private void constraintsInput_TextChanged(object sender, EventArgs e) {
errorOutput.Text = "Unparsed changes! Press parse button to save changes.";
}
private void ClearConstraints() {
foreach (var constraint in intervalConstraints) {
constraint.Changed -= constraint_Changed;
}
intervalConstraints.Clear();
}
}
}