#region License Information /* HeuristicLab * Copyright (C) 2002-2018 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.Linq; using HeuristicLab.Core; using HeuristicLab.Core.Views; using HeuristicLab.Data; using HeuristicLab.DataPreprocessing.Filter; using HeuristicLab.MainForm; namespace HeuristicLab.DataPreprocessing.Views { [View("Comparison Filter View")] [Content(typeof(ComparisonFilter), false)] public partial class ComparisonFilterView : ItemView { public new ComparisonFilter Content { get { return (ComparisonFilter)base.Content; } set { base.Content = value; } } public ComparisonFilterView() { InitializeComponent(); } protected override void OnContentChanged() { base.OnContentChanged(); cbAttr.Items.Clear(); cbFilterOperation.Items.Clear(); tbFilterData.Text = string.Empty; if (Content != null) { cbFilterOperation.Items.AddRange(Content.AllowedConstraintOperations.ToArray()); if (Content.ConstraintOperation != null) cbFilterOperation.SelectedItem = Content.ConstraintOperation; else if (cbFilterOperation.Items.Count != 0) cbFilterOperation.SelectedIndex = 0; UpdateColumnComboBox(); ReadOnly = Content.Active; if (Content.ConstraintData != null) { tbFilterData.Text = Content.ConstraintData.GetValue(); } else { this.Content_ConstraintColumnChanged(cbAttr, EventArgs.Empty); // TODO } } if (Content == null || Content.ConstraintData == null) { tbFilterData.Text = string.Empty; } else { tbFilterData.Text = Content.ConstraintData.GetValue(); } } protected virtual void UpdateColumnComboBox() { this.cbAttr.Items.Clear(); if (Content.ConstrainedValue != null) { this.cbAttr.Items.AddRange(Content.ConstrainedValue.VariableNames.ToArray()); this.cbAttr.SelectedItem = this.cbAttr.Items[Content.ConstraintColumn]; cbAttr.SelectedItem = Content.ConstraintColumn; if (Content.ConstraintData != null) tbFilterData.Text = Content.ConstraintData.GetValue(); else this.Content_ConstraintColumnChanged(cbAttr, EventArgs.Empty); } } protected override void RegisterContentEvents() { base.RegisterContentEvents(); this.Content.ActiveChanged += new EventHandler(Content_ActiveChanged); this.Content.ConstraintOperationChanged += new EventHandler(Content_ComparisonOperationChanged); this.Content.ConstraintColumnChanged += new EventHandler(Content_ConstraintColumnChanged); this.Content.ConstrainedValueChanged += new EventHandler(Content_ConstrainedValueChanged); this.Content.ConstraintDataChanged += new EventHandler(Content_ConstrainedDataChanged); } protected override void DeregisterContentEvents() { base.DeregisterContentEvents(); this.Content.ActiveChanged -= new EventHandler(Content_ActiveChanged); this.Content.ConstraintOperationChanged -= new EventHandler(Content_ComparisonOperationChanged); this.Content.ConstraintColumnChanged -= new EventHandler(Content_ConstraintColumnChanged); this.Content.ConstrainedValueChanged -= new EventHandler(Content_ConstrainedValueChanged); this.Content.ConstraintDataChanged -= new EventHandler(Content_ConstrainedDataChanged); } protected virtual void Content_ConstrainedValueChanged(object sender, EventArgs e) { this.UpdateColumnComboBox(); } private void Content_ConstrainedDataChanged(object sender, EventArgs e) { if (Content.ConstraintData != null) tbFilterData.Text = Content.ConstraintData.GetValue(); else tbFilterData.Text = string.Empty; } protected virtual void Content_ConstraintColumnChanged(object sender, EventArgs e) { if (Content.ConstrainedValue != null) { if (cbAttr.Items.IndexOf(cbAttr.SelectedItem) != Content.ConstraintColumn) { cbAttr.SelectedItem = this.cbAttr.Items[Content.ConstraintColumn]; } } if (Content.ConstraintData == null) { this.Content.ConstraintData = CreateStringConvertibleValue(cbAttr.SelectedIndex); } } protected virtual void Content_ComparisonOperationChanged(object sender, EventArgs e) { if (Content.ConstraintOperation != (ConstraintOperation)this.cbFilterOperation.SelectedItem) this.cbFilterOperation.SelectedItem = Content.ConstraintOperation; } protected override void SetEnabledStateOfControls() { base.SetEnabledStateOfControls(); cbAttr.Enabled = Content != null && !Content.Active; cbFilterOperation.Enabled = Content != null && !Content.Active; tbFilterData.Enabled = Content != null && !Content.Active; } private void cbAttr_SelectedIndexChanged(object sender, EventArgs e) { if (Content.ConstrainedValue != null) { Content.ConstraintColumn = Content.ConstrainedValue.GetColumnIndex(cbAttr.SelectedItem.ToString()); } } private void cbFilterOperation_SelectedIndexChanged(object sender, EventArgs e) { Content.ConstraintOperation = (ConstraintOperation)this.cbFilterOperation.SelectedItem; } protected virtual void Content_ActiveChanged(object sender, EventArgs e) { this.ReadOnly = !Content.Active; SetEnabledStateOfControls(); Refresh(); ResumeRepaint(true); } private void tbFilterData_Validated(object sender, EventArgs e) { IStringConvertibleValue value = CreateStringConvertibleValue(cbAttr.SelectedIndex); value.SetValue(tbFilterData.Text); Content.ConstraintData = value; } private IStringConvertibleValue CreateStringConvertibleValue(int columnIndex) { IStringConvertibleValue value; if (Content.ConstrainedValue.VariableHasType(columnIndex)) { value = new DoubleValue(); } else if (Content.ConstrainedValue.VariableHasType(columnIndex)) { value = new StringValue(); } else if (Content.ConstrainedValue.VariableHasType(columnIndex)) { value = new DateTimeValue(); } else { throw new ArgumentException("unsupported type"); } return value; } private void tbFilterData_Validating(object sender, System.ComponentModel.CancelEventArgs e) { string errorMessage = string.Empty; if (!Content.ConstraintData.Validate(tbFilterData.Text, out errorMessage)) { errorProvider.SetError(tbFilterData, errorMessage); e.Cancel = true; } else errorProvider.Clear(); } } }