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source: branches/DataPreprocessing/HeuristicLab.DataPreprocessing.Views/3.3/FilterView.cs @ 10842

Last change on this file since 10842 was 10842, checked in by psteiner, 9 years ago

BugFix transactions null

File size: 4.1 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.Linq;
4using System.Windows.Forms;
5using HeuristicLab.Collections;
6using HeuristicLab.Core;
7using HeuristicLab.Core.Views;
8using HeuristicLab.Data;
9using HeuristicLab.DataPreprocessing.Filter;
10using HeuristicLab.MainForm;
11
12namespace HeuristicLab.DataPreprocessing.Views {
13  [View("CheckedFilterCollection View")]
14  [Content(typeof(FilterContent), true)]
15  public partial class FilterView : ItemView {
16
17    public FilterView() {
18      InitializeComponent();
19      tbTotal.Text = "0";
20      tbFiltered.Text = "0";
21      tbPercentage.Text = "0%";
22      checkedFilterView.Content = new CheckedItemCollection<IFilter>();
23      checkedFilterView.Content.ItemsAdded += Content_ItemsAdded;
24      checkedFilterView.Content.ItemsRemoved += Content_ItemsRemoved;
25      checkedFilterView.Content.CheckedItemsChanged += Content_CheckedItemsChanged;
26    }
27
28    public new FilterContent Content {
29      get { return (FilterContent)base.Content; }
30      set { base.Content = value; }
31    }
32
33    protected override void OnContentChanged()
34    {
35      base.OnContentChanged();
36      if (Content != null)
37      {
38        ImportFiltersFromContent();
39        UpdateFilterInfo();
40      }
41    }
42
43    private void Content_CheckedItemsChanged(object sender, Collections.CollectionItemsChangedEventArgs<IFilter> e) {
44     
45      foreach (IFilter filter in e.Items)
46      {
47        filter.Active = checkedFilterView.Content.ItemChecked(filter);
48      }
49      UpdateFilterInfo();
50      ExportFiltersToContent();
51      Refresh();
52      ResumeRepaint(true);
53    }
54
55    private void UpdateFilterInfo() {
56      List<IFilter> filters = checkedFilterView.ItemCollection.ToList<IFilter>();
57
58      int activeFilters = filters.Count(c => c.Active);
59
60      applyFilterButton.Enabled = (activeFilters > 0);
61      rBtnAnd.Enabled = (activeFilters > 0);
62      rBtnOr.Enabled = (activeFilters > 0);
63      btnReset.Enabled = (activeFilters > 0);
64
65      bool[] result = Content.FilterLogic.Preview(filters, rBtnAnd.Checked);
66     
67      int filteredCnt = result.Count(c => c);
68 
69      tbFiltered.Text = filteredCnt.ToString();
70      double percentage = result.Length == 0 ? 0.0 : filteredCnt * 100 / result.Length;
71      tbPercentage.Text = percentage.ToString() + "%";
72      tbTotal.Text = result.Length.ToString();
73    }
74
75    private void applyFilterButton_Click(object sender, EventArgs e) {
76      List<IFilter> filters = checkedFilterView.ItemCollection.ToList<IFilter>();
77      Content.FilterLogic.Apply(filters, rBtnAnd.Checked);
78    }
79
80    //whenever a new filter is added the preprocessing data is set to the filter
81    private void Content_ItemsAdded(object sender, Collections.CollectionItemsChangedEventArgs<IFilter> e) {
82      foreach (IFilter filter in e.Items) {
83        filter.ConstrainedValue = Content.FilterLogic.PreprocessingData;
84      }
85      UpdateFilterInfo();
86      ExportFiltersToContent();
87    }
88
89    private void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IFilter> e) {
90      UpdateFilterInfo();
91      ExportFiltersToContent();
92    }
93
94    private void rBtnAnd_CheckedChanged(object sender, EventArgs e)
95    {
96      UpdateFilterInfo();
97      ExportFiltersToContent();
98      Content.isAndCombination = rBtnAnd.Checked;
99    }
100
101    private void btnReset_Click(object sender, EventArgs e)
102    {
103      Content.FilterLogic.Reset();
104    }
105
106    private void ImportFiltersFromContent()
107    {
108      checkedFilterView.ItemCollection.AddRange(Content.Filters);
109
110      foreach (IFilter filter in checkedFilterView.ItemCollection) {
111        if (filter.Active)
112        {
113          checkedFilterView.Content.SetItemCheckedState(filter, true);
114        }
115        else
116        {
117          checkedFilterView.Content.SetItemCheckedState(filter, false);
118        }
119        rBtnAnd.Checked = Content.isAndCombination;
120        rBtnOr.Checked = !Content.isAndCombination;
121      }
122    }
123
124    private void ExportFiltersToContent()
125    {
126      Content.Filters = checkedFilterView.ItemCollection.ToList<IFilter>();
127    }
128  }
129}
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