Code/Tools/Statoscope/Statoscope/BucketListView.cs

   1 // Copyright 2001-2019 Crytek GmbH / Crytek Group. All rights reserved.
   2
   3 using System;
   4 using System.Collections.Generic;
   5 using System.Linq;
   6 using System.Text;
   7 using System.Reflection;
   8 using System.ComponentModel;
   9 using System.Windows.Forms;
  10
  11 namespace Statoscope
  12 {
  13   class BucketListView : ListView
  14   {
  15     public BucketListView(BucketSet bucketSet)
  16     {
  17       InitializeComponent();
  18
  19       View = View.Details;
  20       Dock = DockStyle.Fill;
  21       GridLines = true;
  22       FullRowSelect = true;
  23       VirtualMode = true;
  24       VirtualListSize = bucketSet.m_buckets.Count;
  25       RetrieveVirtualItem += new RetrieveVirtualItemEventHandler(bucketsListView_RetrieveVirtualItem);
  26       CacheVirtualItems += new CacheVirtualItemsEventHandler(bucketsListView_CacheVirtualItems);
  27       StatoscopeForm.SetDoubleBuffered(this);
  28
  29       int numColHeaders = CountHeaders(bucketSet);
  30       int colHeaderWidth = Math.Max(50, (Width) / numColHeaders);
  31
  32       Columns.Add(LogControl.CreateColumnHeader("Bucket", colHeaderWidth));
  33       CreateHeaders(bucketSet, colHeaderWidth);
  34
  35       m_bucketSet = bucketSet;
  36       m_lviCache = new List<ListViewItem>(bucketSet.m_buckets.Count);
  37       UpdateLviCache();
  38     }
  39
  40     public void UpdateLviCache()
  41     {
  42       m_lviCache.Clear();
  43
  44       foreach (Bucket bucket in m_bucketSet.m_buckets)
  45       {
  46         ListViewItem lvi = new ListViewItem(bucket.RangeDescription);
  47
  48         foreach (PropertyInfo pi in m_columnProperties)
  49           lvi.SubItems.Add(GetPropertyValAsString(pi, bucket));
  50
  51         m_lviCache.Add(lvi);
  52       }
  53     }
  54
  55     protected override void OnCreateControl()
  56     {
  57       base.OnCreateControl();
  58
  59       ContextMenuStrip = m_contextMenu;
  60       m_copyMenuItem.Click += new EventHandler(m_copyMenuItem_Click);
  61     }
  62
  63     void bucketsListView_CacheVirtualItems(object sender, CacheVirtualItemsEventArgs e)
  64     {
  65       BucketListView blv = (BucketListView)sender;
  66       blv.UpdateLviCache();
  67     }
  68
  69     void bucketsListView_RetrieveVirtualItem(object sender, RetrieveVirtualItemEventArgs e)
  70     {
  71       BucketListView blv = (BucketListView)sender;
  72       e.Item = blv.m_lviCache[e.ItemIndex];
  73     }
  74
  75     private string GetPropertyValAsString(PropertyInfo pi, Bucket b)
  76     {
  77       object val = pi.GetValue(b, null);
  78
  79       string s = string.Empty;
  80       if (val is int)
  81         s = string.Format("{0:n0}", val);
  82       else if (val is float)
  83         s = string.Format("{0:n2}%", val);
  84       else if (val is TimeSpan)
  85         s = string.Format("{0:n2}s", ((TimeSpan)val).TotalMilliseconds / 1000.0f);
  86
  87       return s;
  88     }
  89
  90     void m_copyMenuItem_Click(object sender, EventArgs e)
  91     {
  92       StringBuilder sb = new StringBuilder();
  93
  94       sb.Append("Bucket\t");
  95       foreach (PropertyInfo pi in m_columnProperties)
  96         sb.AppendFormat("{0}\t", pi.Name.ToString());
  97       sb.AppendLine();
  98
  99       foreach (Bucket bucket in m_bucketSet.m_buckets)
 100       {
 101         sb.AppendFormat("{0}\t", bucket.RangeDescription);
 102         foreach (PropertyInfo pi in m_columnProperties)
 103           sb.AppendFormat("{0}\t", GetPropertyValAsString(pi, bucket));
 104
 105         sb.AppendLine();
 106       }
 107
 108       Clipboard.SetText(sb.ToString());
 109     }
 110
 111     private Attribute GetFirstAttribute(PropertyInfo pi, Type attrType, bool inherits)
 112     {
 113       foreach (var attr in pi.GetCustomAttributes(attrType, inherits))
 114         return (Attribute)attr;
 115       return null;
 116     }
 117
 118     private IEnumerable<PropertyInfo> EnumColumns(BucketSet bset)
 119     {
 120       if (bset.m_buckets.Count > 0)
 121       {
 122         Type bucketType = bset.m_buckets[0].GetType();
 123
 124         // Assuming that all buckets have the same type..
 125
 126         foreach (PropertyInfo prop in bucketType.GetProperties())
 127         {
 128           // Ensure it's browseable
 129           var ba = GetFirstAttribute(prop, typeof(BrowsableAttribute), true);
 130           bool isBrowseable = (ba != null) ? ((BrowsableAttribute)ba).Browsable : true;
 131
 132           if (isBrowseable)
 133             yield return prop;
 134         }
 135       }
 136     }
 137
 138     private int CountHeaders(BucketSet bucketSet)
 139     {
 140       int numHeaders = 0;
 141
 142       foreach (var pi in EnumColumns(bucketSet))
 143         ++numHeaders;
 144
 145       return numHeaders;
 146     }
 147
 148     private void CreateHeaders(BucketSet bucketSet, int colHeaderWidth)
 149     {
 150       m_columnProperties = new List<PropertyInfo>();
 151       foreach (var pi in EnumColumns(bucketSet))
 152       {
 153         var descAttr = GetFirstAttribute(pi, typeof(DescriptionAttribute), true);
 154         string desc = descAttr != null ? ((DescriptionAttribute)descAttr).Description : pi.Name;
 155         Columns.Add(LogControl.CreateColumnHeader(desc, colHeaderWidth));
 156         m_columnProperties.Add(pi);
 157       }
 158     }
 159
 160     private BucketSet m_bucketSet;
 161     private List<PropertyInfo> m_columnProperties;
 162     private IContainer components;
 163     private ContextMenuStrip m_contextMenu;
 164     private ToolStripMenuItem m_copyMenuItem;
 165     private List<ListViewItem> m_lviCache;
 166
 167     private void InitializeComponent()
 168     {
 169       this.components = new System.ComponentModel.Container();
 170       this.m_contextMenu = new System.Windows.Forms.ContextMenuStrip(this.components);
 171       this.m_copyMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 172       this.m_contextMenu.SuspendLayout();
 173       this.SuspendLayout();
 174       //
 175       // m_contextMenu
 176       //
 177       this.m_contextMenu.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
 178             this.m_copyMenuItem});
 179       this.m_contextMenu.Name = "m_contextMenu";
 180       this.m_contextMenu.Size = new System.Drawing.Size(103, 26);
 181       //
 182       // m_copyMenuItem
 183       //
 184       this.m_copyMenuItem.Name = "m_copyMenuItem";
 185       this.m_copyMenuItem.Size = new System.Drawing.Size(102, 22);
 186       this.m_copyMenuItem.Text = "&Copy";
 187       this.m_contextMenu.ResumeLayout(false);
 188       this.ResumeLayout(false);
 189
 190     }
 191   }
 192 }