[10709] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Drawing;
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| 24 | using System.Windows.Forms;
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| 25 | using HeuristicLab.Core.Views;
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| 26 | using HeuristicLab.MainForm;
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| 27 |
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| 28 | namespace HeuristicLab.DataPreprocessing.Views {
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| 29 |
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| 30 | [View("Manipulation Chart View")]
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[10712] | 31 | [Content(typeof(ManipulationContent), true)]
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[10709] | 32 | public partial class ManipulationView : ItemView {
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| 33 |
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| 34 | private Action[] validators;
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| 35 | private Action[] manipulations;
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| 36 |
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| 37 | public ManipulationView() {
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| 38 | InitializeComponent();
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[10776] | 39 | cmbReplaceWith.SelectedIndex = 0;
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[10709] | 40 | tabsData.Appearance = TabAppearance.FlatButtons;
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| 41 | tabsData.ItemSize = new Size(0, 1);
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| 42 | tabsData.SizeMode = TabSizeMode.Fixed;
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| 43 | tabsPreview.Appearance = TabAppearance.FlatButtons;
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| 44 | tabsPreview.ItemSize = new Size(0, 1);
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| 45 | tabsPreview.SizeMode = TabSizeMode.Fixed;
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| 46 |
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| 47 | validators = new Action[] {
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[10737] | 48 | ()=>validateDeleteColumnsInfo(),
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| 49 | ()=>validateDeleteColumnsVariance(),
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| 50 | ()=>validateDeleteRowsInfo(),
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[10776] | 51 | ()=>validateReplaceWith(),
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[10737] | 52 | ()=>{btnApply.Enabled = true; lblPreviewShuffle.Text = "Data will be shuffled randomly - preview not possible";} //shuffle
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[10709] | 53 | };
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[10737] | 54 |
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[10709] | 55 | manipulations = new Action[] {
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[10737] | 56 | ()=>Content.ManipulationLogic.DeleteColumnsWithMissingValuesGreater(getDeleteColumnsInfo()),
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| 57 | ()=>Content.ManipulationLogic.DeleteColumnsWithVarianceSmaller(getDeleteColumnsVariance()),
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| 58 | ()=>Content.ManipulationLogic.DeleteRowsWithMissingValuesGreater(getRowsColumnsInfo()),
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[10776] | 59 | ()=>replaceMissingValues(),
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[10709] | 60 | ()=>Content.ManipulationLogic.ShuffleWithRanges()
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| 61 | };
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| 62 | }
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| 63 |
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[10737] | 64 | protected override void RegisterContentEvents() {
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| 65 | base.RegisterContentEvents();
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| 66 | Content.ManipulationLogic.Changed += Content_Changed;
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| 67 | }
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| 68 |
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| 69 | protected override void DeregisterContentEvents() {
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| 70 | base.DeregisterContentEvents();
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| 71 | Content.ManipulationLogic.Changed -= Content_Changed;
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| 72 | }
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| 73 |
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| 74 | private double getDeleteColumnsInfo() {
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| 75 | return double.Parse(txtDeleteColumnsInfo.Text);
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| 76 | }
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| 77 |
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| 78 | private double getDeleteColumnsVariance() {
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| 79 | return double.Parse(txtDeleteColumnsVariance.Text);
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| 80 | }
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| 81 |
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| 82 | private double getRowsColumnsInfo() {
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| 83 | return double.Parse(txtDeleteRowsInfo.Text);
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| 84 | }
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| 85 |
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[10776] | 86 | private void replaceMissingValues() {
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| 87 | var cells = Content.SearchLogic.GetMissingValueIndices();
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| 88 | switch (cmbReplaceWith.SelectedIndex) {
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| 89 | case 0: //Value
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| 90 | Content.ManipulationLogic.ReplaceIndicesByValue(cells, txtReplaceValue.Text);
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| 91 | break;
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| 92 | case 1: //Average
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[10811] | 93 | Content.ManipulationLogic.ReplaceIndicesByAverageValue(cells);
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[10776] | 94 | break;
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| 95 | case 2: //Median
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[10811] | 96 | Content.ManipulationLogic.ReplaceIndicesByMedianValue(cells);
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[10776] | 97 | break;
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| 98 | case 3: //Most Common
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[10811] | 99 | Content.ManipulationLogic.ReplaceIndicesByMostCommonValue(cells);
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[10776] | 100 | break;
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| 101 | case 4: //Random
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[10811] | 102 | Content.ManipulationLogic.ReplaceIndicesByRandomValue(cells);
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[10776] | 103 | break;
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| 104 | }
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| 105 | }
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| 106 |
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[10737] | 107 | private void validateDeleteColumnsInfo() {
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| 108 | validateDoubleTextBox(txtDeleteColumnsInfo.Text);
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| 109 | if (btnApply.Enabled) {
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| 110 | int count = Content.ManipulationLogic.ColumnsWithMissingValuesGreater(getDeleteColumnsInfo()).Count;
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| 111 | lblPreviewColumnsInfo.Text = count + " column" + (count > 1 || count == 0 ? "s" : "") + " were detected with more than " + txtDeleteColumnsInfo.Text + "% missing values.";
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| 112 | if (count > 0) {
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| 113 | lblPreviewColumnsInfo.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to delete those columns.";
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| 114 | } else {
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| 115 | btnApply.Enabled = false;
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| 116 | }
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| 117 | } else {
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| 118 | lblPreviewColumnsInfo.Text = "Preview not possible yet - please input the limit above.";
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | private void validateDeleteColumnsVariance() {
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| 123 | validateDoubleTextBox(txtDeleteColumnsVariance.Text);
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| 124 | if (btnApply.Enabled) {
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| 125 | int count = Content.ManipulationLogic.ColumnsWithVarianceSmaller(getDeleteColumnsVariance()).Count;
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| 126 | lblPreviewColumnsVariance.Text = count + " column" + (count > 1 || count == 0 ? "s" : "") + " were detected with a variance smaller than " + txtDeleteColumnsVariance.Text + ".";
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| 127 | if (count > 0) {
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| 128 | lblPreviewColumnsVariance.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to delete those columns.";
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| 129 | } else {
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| 130 | btnApply.Enabled = false;
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| 131 | }
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| 132 | } else {
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| 133 | lblPreviewColumnsVariance.Text = "Preview not possible yet - please input the limit for the variance above.";
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| 134 | }
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| 135 | }
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| 136 |
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| 137 | private void validateDeleteRowsInfo() {
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| 138 | validateDoubleTextBox(txtDeleteRowsInfo.Text);
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| 139 | if (btnApply.Enabled) {
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| 140 | int count = Content.ManipulationLogic.RowsWithMissingValuesGreater(getRowsColumnsInfo()).Count;
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| 141 | lblPreviewRowsInfo.Text = count + " row" + (count > 1 || count == 0 ? "s" : "") + " were detected with more than " + txtDeleteRowsInfo.Text + "% missing values.";
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| 142 | if (count > 0) {
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| 143 | lblPreviewRowsInfo.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to delete those rows.";
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| 144 | } else {
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| 145 | btnApply.Enabled = false;
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| 146 | }
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| 147 | } else {
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| 148 | lblPreviewRowsInfo.Text = "Preview not possible yet - please input the limit above.";
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| 149 | }
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| 150 | }
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| 151 |
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[10776] | 152 | private void validateReplaceWith() {
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| 153 | btnApply.Enabled = false;
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| 154 | string replaceValue = cmbReplaceWith.SelectedText;
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| 155 | if (cmbReplaceWith.SelectedIndex == 0) {
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| 156 | btnApply.Enabled = !string.IsNullOrEmpty(txtReplaceValue.Text);
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| 157 | replaceValue = @"\"+ txtReplaceValue.Text + @"\";
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| 158 | } else {
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| 159 | btnApply.Enabled = true;
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| 160 | }
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| 161 | if (btnApply.Enabled) {
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| 162 | int count = Content.SearchLogic.GetMissingValueIndices().Count;
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| 163 | lblPreviewReplaceMissingValues.Text = count + " cell" + (count > 1 || count == 0 ? "s" : "")
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| 164 | + " were detected with missing values which would be replaced with " + replaceValue;
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| 165 | if (count > 0) {
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| 166 | lblPreviewReplaceMissingValues.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to perform the replacement.";
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| 167 | } else {
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| 168 | btnApply.Enabled = false;
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| 169 | }
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| 170 | } else {
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| 171 | lblPreviewReplaceMissingValues.Text = "Preview not possible yet - please input the text which will be used as replacement.";
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| 172 | }
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| 173 | }
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| 174 |
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[10709] | 175 | public new ManipulationContent Content {
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| 176 | get { return (ManipulationContent)base.Content; }
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| 177 | set { base.Content = value; }
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| 178 | }
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| 179 |
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| 180 | private void lstMethods_SelectedIndexChanged(object sender, System.EventArgs e) {
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| 181 | int index = lstMethods.SelectedIndex;
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| 182 | tabsData.SelectedIndex = index + 1;
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| 183 | tabsPreview.SelectedIndex = index + 1;
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| 184 | btnApply.Enabled = false;
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| 185 |
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[10737] | 186 | //in order that button is enabled if necessary input was already entered
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[10710] | 187 | if (index >= 0) {
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| 188 | validators[index]();
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| 189 | }
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[10709] | 190 | }
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| 191 |
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| 192 | private void btnApply_Click(object sender, System.EventArgs e) {
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| 193 | manipulations[lstMethods.SelectedIndex]();
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[10737] | 194 | switch (lstMethods.SelectedIndex) {
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| 195 | case 0:
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| 196 | lblPreviewColumnsInfo.Text = "columns successfully deleted.";
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| 197 | break;
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| 198 | case 1:
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| 199 | lblPreviewColumnsVariance.Text = "columns successfully deleted.";
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| 200 | break;
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| 201 | case 2:
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| 202 | lblPreviewRowsInfo.Text = "rows successfully deleted.";
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| 203 | break;
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| 204 | case 3:
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| 205 | lblPreviewShuffle.Text = "dataset shuffled successfully.";
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| 206 | btnApply.Enabled = false;
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| 207 | break;
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| 208 | }
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[10709] | 209 | }
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| 210 |
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| 211 | private void validateDoubleTextBox(String text) {
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| 212 | btnApply.Enabled = false;
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| 213 | if (!string.IsNullOrEmpty(text)) {
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| 214 | double percent;
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| 215 | if (Double.TryParse(text, out percent)) {
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| 216 | btnApply.Enabled = true;
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| 217 | }
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| 218 | }
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| 219 | }
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| 220 |
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| 221 | private void txtDeleteColumnsInfo_TextChanged(object sender, EventArgs e) {
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[10737] | 222 | validateDeleteColumnsInfo();
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[10709] | 223 | }
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| 224 |
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| 225 | private void txtDeleteColumnsVariance_TextChanged(object sender, EventArgs e) {
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[10737] | 226 | validateDeleteColumnsVariance();
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[10709] | 227 | }
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| 228 |
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| 229 | private void txtDeleteRowsInfo_TextChanged(object sender, EventArgs e) {
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[10737] | 230 | validateDeleteRowsInfo();
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[10709] | 231 | }
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[10737] | 232 |
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| 233 | void Content_Changed(object sender, DataPreprocessingChangedEventArgs e) {
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| 234 | switch(lstMethods.SelectedIndex){
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| 235 | case 0:
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| 236 | validateDeleteColumnsInfo();
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| 237 | break;
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| 238 | case 1:
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| 239 | validateDeleteColumnsVariance();
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| 240 | break;
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| 241 | case 2:
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| 242 | validateDeleteRowsInfo();
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| 243 | break;
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| 244 | }
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| 245 | }
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[10776] | 246 |
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| 247 | private void cmbReplaceWith_SelectedIndexChanged(object sender, EventArgs e) {
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| 248 | bool isReplaceWithValueSelected = cmbReplaceWith.SelectedIndex == 0;
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| 249 | lblValueColon.Visible = isReplaceWithValueSelected;
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| 250 | txtReplaceValue.Visible = isReplaceWithValueSelected;
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| 251 | validateReplaceWith();
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| 252 | }
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| 253 |
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| 254 | private void txtReplaceValue_TextChanged(object sender, EventArgs e) {
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| 255 | validateReplaceWith();
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| 256 | }
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[10709] | 257 | }
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| 258 | }
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