private void toolFilterBox_TextChanged(object sender, EventArgs e)
{
if (itemListViewExt.Columns.Count < 4)
{
return;
}
TextMatchFilter filter = null;
filter = TextMatchFilter.Contains(itemListViewExt, toolFilterBox.Text);
if (filter == null)
{
itemListViewExt.DefaultRenderer = null;
}
else
{
itemListViewExt.DefaultRenderer = new HighlightTextRenderer(filter);
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = itemListViewExt.GetColumn(3).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
//Stopwatch stopWatch = new Stopwatch();
//stopWatch.Start();
itemListViewExt.AdditionalFilter = filter;
//olv.Invalidate();
//stopWatch.Stop();
}
// Search by text, expanding any parent nodes to reveal child match.
internal void AddStringFilter(String text)
{
// If string filter is not null, try and remove it from active filter list
if (StringFilter != null)
{
if (this.Filters.Contains(StringFilter))
{
this.Filters.Remove(StringFilter);
}
StringFilter = null;
}
// Only search if string is not empty, and ensure all matched children are showing by expanding parents.
if (!String.IsNullOrEmpty(text))
{
StringFilter = TextMatchFilter.Contains(this.ListView, text);
StringFilter.Columns = new OLVColumn[] { ListView.NlmColumns.NameColumn };
ExpandParentsOfMatchedChildren(text);
this.Filters.Add(StringFilter);
}
// Set the filter to correspone to the text being searched. If text is "", nothing is filtered.
HighlightTextRenderer highLightingRenderer = ListView.NlmColumns.NameColumn.Renderer as HighlightTextRenderer;
if (highLightingRenderer != null)
{
highLightingRenderer.Filter = StringFilter;
}
}
/// <summary>
/// 过滤表格
/// </summary>
/// <param name="view">表格对象</param>
/// <param name="key">查询关键字</param>
public static void Filter(ObjectListView view, string key)
{
TextMatchFilter filter = null;
if (key.Length > 0)
{
filter = TextMatchFilter.Contains(view, key);
}
if (filter == null)
{
view.DefaultRenderer = null;
}
else
{
view.DefaultRenderer = new HighlightTextRenderer(filter);
}
HighlightTextRenderer highlightingRenderer = view.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
view.ModelFilter = filter;
}
public static void FilterFOLV(FastObjectListView OLV, string FilterText, bool Filter)
{
using var cw = new Global_GUI.CursorWait();
try
{
if (!string.IsNullOrEmpty(FilterText))
{
if (Filter)
{
OLV.UseFiltering = true;
}
else
{
OLV.UseFiltering = false;
}
TextMatchFilter filter = TextMatchFilter.Regex(OLV, FilterText);
OLV.ModelFilter = filter;
HighlightTextRenderer renderererer = new HighlightTextRenderer(filter);
SolidBrush brush = renderererer.FillBrush as SolidBrush ?? new SolidBrush(Color.Transparent);
brush.Color = System.Drawing.Color.FromArgb(100, Color.LightSeaGreen); //
renderererer.FillBrush = brush;
OLV.DefaultRenderer = renderererer;
Global.SaveRegSetting("SearchText", FilterText);
}
else
{
OLV.ModelFilter = null;
}
OLV.Refresh();
//Application.DoEvents();
}
catch { }
}
public static void DoListViewFilter(ObjectListView olv, String txtInput)
{
try
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txtInput.Trim()))
{
filter = new TextMatchFilter(olv, txtInput, StringComparison.CurrentCultureIgnoreCase);
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
olv.ModelFilter = filter;
}
catch { }
}
void TimedFilter(ObjectListView olv, string txt, int matchKind)
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(olv, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(olv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(olv, txt);
break;
}
}
if (filter == null)
{
olv.DefaultRenderer = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
}
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
olv.ModelFilter = filter;
stopWatch.Stop();
IList objects = olv.Objects as IList;
if (objects == null)
{
this.toolStripStatusLabel1.Text =
String.Format("Filtered in {0}ms", stopWatch.ElapsedMilliseconds);
}
else
{
this.toolStripStatusLabel1.Text =
String.Format("Filtered {0} items down to {1} items in {2}ms",
objects.Count,
olv.Items.Count,
stopWatch.ElapsedMilliseconds);
}
}
private void objectLstVwLatestBet_SelectionChanged(object sender, EventArgs e)
{
if (this.objectLstVwLatestBet.SelectedObjects.Count <= 0)
{
return;
}
LotteryBet lotteryBet = (LotteryBet)objectLstVwLatestBet.SelectedObjects[0];
TextMatchFilter filter = new TextMatchFilter(this.objectLstVwLatestBet);
List <String> regex = new List <string>();
foreach (int n in lotteryBet.GetAllNumberSequenceSorted())
{
regex.Add("^" + n.ToString() + "$");
}
filter.RegexStrings = regex;
HighlightTextRenderer highlightTextRenderer = new HighlightTextRenderer(filter);
highlightTextRenderer.CornerRoundness = 1;
highlightTextRenderer.FramePen = new Pen(Color.Empty);
highlightTextRenderer.FillBrush = new SolidBrush(Color.LightBlue);
highlightTextRenderer.CellPadding = new Rectangle(0, 0, 0, 0);
highlightTextRenderer.Bounds = new Rectangle(2, 2, 2, 2);
this.objectLstVwLatestBet.ModelFilter = filter;
this.objectLstVwLatestBet.DefaultRenderer = highlightTextRenderer;
this.objectLstVwLatestBet.SelectedForeColor = Color.Black;
this.objectLstVwLatestBet.Refresh();
}
void Filter(FastObjectListView olv, string txt, int matchKind)
{
olv.OwnerDraw = true;
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(olv, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(olv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(olv, txt);
break;
}
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
olv.ModelFilter = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
olv.ModelFilter = filter;
// Uncomment this line to see how the GDI+ rendering looks
//olv.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
IList objects = olv.Objects as IList;
if ((objects == null) || (objects.Count == olv.Items.Count))
{
this.toolStripStatusLabel1.Text = string.Empty;
}
else
{
this.toolStripStatusLabel1.Text =
String.Format("Filtered {0} items down to {1} items",
objects.Count,
olv.Items.Count);
}
}
private void SearchTextChanged(object sender, EventArgs e)
{
filter = TextMatchFilter.Contains(modListView, textBoxSearch.Text);
hfilter = new HighlightTextRenderer(filter);
modListView.ModelFilter = filter;
modListView.DefaultRenderer = hfilter;
hfilter.UseRoundedRectangle = false;
}
private void TextBox_Search_TextChanged(object sender, EventArgs e)
{
filter = TextMatchFilter.Contains(olvLootList, textBoxSearch.Text);
hfilter = new HighlightTextRenderer(filter);
olvLootList.ModelFilter = filter;
olvLootList.DefaultRenderer = hfilter;
hfilter.UseRoundedRectangle = false;
Olv_ParseEntries();
}
private void FilterList(ObjectListView olv, string searchText, bool showMatching = false)
{
// Construct the regex to search for
string[] SearchedString = searchText.Split('*');
StringBuilder regex = new StringBuilder();
//regex.Append(".*");
foreach (string term in SearchedString)
{
if (term != string.Empty && Array.IndexOf(SearchedString, term) == (SearchedString.Length - 1))
{
regex.Append(term);
}
else
{
regex.Append(term + ".*");
}
}
regex.Append(".*");
System.Text.RegularExpressions.Regex r = new System.Text.RegularExpressions.Regex("^" + regex.ToString() + "$", System.Text.RegularExpressions.RegexOptions.IgnoreCase & System.Text.RegularExpressions.RegexOptions.Multiline);
TextMatchFilter filter = null;
if (!string.IsNullOrEmpty(searchText))
{
filter = TextMatchFilter.Regex(olv, r.ToString());
}
if (showMatching)
{
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
olv.AdditionalFilter = filter;
}
else
{
olv.DefaultRenderer = null;
olv.AdditionalFilter = filter;
}
}
void TimedFilter(ObjectListView olv, string txt, int matchKind)
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(olv, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(olv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(olv, txt);
break;
}
}
// Setup a default renderer to draw the filter matches
olv.DefaultRenderer = filter == null ? null : new HighlightTextRenderer(filter);
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
olv.AdditionalFilter = filter;
//olv.Invalidate();
stopWatch.Stop();
IList objects = olv.Objects as IList;
if (objects == null)
{
toolStripStatusLabel1.Text =
String.Format("Filtered in {0}ms", stopWatch.ElapsedMilliseconds);
}
else
{
toolStripStatusLabel1.Text =
String.Format("在 {0} 条数据中过滤出符合条件的 {1} 数据，耗时{2}ms",
objects.Count,
olv.Items.Count,
stopWatch.ElapsedMilliseconds);
}
}
/// <summary>
/// This will remove the list filter.
/// </summary>
public void RemoveStringFilter()
{
TextMatchFilter tmfFilter = TextMatchFilter.Contains(this, String.Empty);
tmfFilter.Columns = new OLVColumn[] { (OLVColumn)this.Columns[0] };
HighlightTextRenderer highlightingRenderer = this.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = tmfFilter;
}
m_strLastSearchFilter = String.Empty;
}
/// <summary>
/// This will apply a string filter to the list.
/// </summary>
/// /// <param name="p_strFilter">The string filter.</param>
public void AddStringFilter(string p_strFilter)
{
TextMatchFilter tmfFilter = TextMatchFilter.Contains(this, p_strFilter);
tmfFilter.Columns = new OLVColumn[] { (OLVColumn)this.Columns[0] };
this.ModelFilter = tmfFilter;
HighlightTextRenderer highlightingRenderer = this.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = tmfFilter;
}
m_strLastSearchFilter = p_strFilter;
}
private void objListVwBet_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.objListVwBet.SelectedObjects.Count <= 0)
{
return;
}
LotteryBet lotteryBet = (LotteryBet)objListVwBet.SelectedObjects[0];
TextMatchFilter filter = new TextMatchFilter(this.objListVwDrawResult);
List <String> regex = new List <string>();
foreach (int n in lotteryBet.GetAllNumberSequenceSorted())
{
regex.Add("^" + n.ToString() + "$");
}
filter.RegexStrings = regex;
HighlightTextRenderer highlightTextRenderer = new HighlightTextRenderer(filter);
highlightTextRenderer.CornerRoundness = 1;
highlightTextRenderer.FramePen = new Pen(Color.Empty);
highlightTextRenderer.FillBrush = new SolidBrush(Color.LightBlue);
highlightTextRenderer.CellPadding = new Rectangle(0, 0, 0, 0);
highlightTextRenderer.Bounds = new Rectangle(2, 2, 2, 2);
this.objListVwDrawResult.ModelFilter = filter;
this.objListVwDrawResult.DefaultRenderer = highlightTextRenderer;
this.objListVwDrawResult.SelectedForeColor = Color.Black;
int itemProcessCtr = 0;
toolStripProgBarRefresh.Value = 0;
toolStripProgBarRefresh.Visible = true;
toolStripStatusLbl.Visible = true;
this.objListVwDrawResult.BeginUpdate();
foreach (OLVListItem item in this.objListVwDrawResult.Items)
{
toolStripProgBarRefresh.Value = ConverterUtils.GetPercentageFloored(++itemProcessCtr, this.objListVwDrawResult.Items.Count);
this.objListVwDrawResult.RefreshObject(item.RowObject);
if (itemProcessCtr % 50 == 0)
{
Application.DoEvents();
}
}
this.objListVwDrawResult.EndUpdate();
this.objListVwDrawResult.Sort();
toolStripProgBarRefresh.Value = 0;
toolStripProgBarRefresh.Visible = false;
toolStripStatusLbl.Visible = false;
}
public static void OLVFilter(ObjectListView olv, string txt, int matchKind)
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(olv, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(olv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(olv, txt);
break;
}
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
// Uncomment this line to see how the GDI+ rendering looks
//olv.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
olv.AdditionalFilter = filter;
//olv.Invalidate();
}
public static void ApplyFilters(ObjectListView olv, string[] filterTexts, int matchKind)
{
TextMatchFilter textMatchFilter = null;//Using this textMatchFilter for hightlight purpose
List <IModelFilter> modelFilters = null;
if (filterTexts != null && filterTexts.Length > 0)
{
textMatchFilter = OLVHelpers.createTextMatchFilter(olv, filterTexts, matchKind);
modelFilters = new List <IModelFilter>();
foreach (string s in filterTexts)
{
modelFilters.Add(OLVHelpers.createTextMatchFilter(olv, new string[] { s }, matchKind));
}
}
// Setup a default renderer to draw the filter matches
if (textMatchFilter == null)
{
olv.DefaultRenderer = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(textMatchFilter);
// Uncomment this line to see how the GDI+ rendering looks
//olv.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = textMatchFilter;
}
olv.ModelFilter = modelFilters == null ? null : new CompositeAllFilter(modelFilters); //WHEN USING CompositeAllFilter, this textMatchFilter for HIGHTLIGHT PURPOSE ONLY
//olv.AdditionalFilter = textMatchFilter; //WHEN USING AdditionalFilter: In addition to use this textMatchFilter for hightlight purpose, this textMatchFilter CAN BE USE FOR AdditionalFilter TO FILLER
//NOTE: AdditionalFilter: TO FILTER rows where any cell match any of the given strings array (string[]) --- MEANING: USING 'OR' CLAUSE
// ModelFilter with CompositeAllFilter: CREATE SEPARATE textMatchFilter FOR EVERY item IN strings array (string[]), THEN COMBINE ALL FILTER TOGETHER --- MEANING: USING 'AND' CLAUSE
//ONLY USING AdditionalFilter OR CompositeAllFilter AT ONE TIME
//olv.Invalidate();
}
private void TimedFilter(ObjectListView folv, string txt, int matchKind)
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Prefix(folv, txt);
break;
case 1:
filter = TextMatchFilter.Contains(folv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(folv, txt);
break;
}
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
folv.DefaultRenderer = null;
}
else
{
folv.DefaultRenderer = new HighlightTextRenderer(filter);
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = folv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
folv.ModelFilter = filter;
stopWatch.Stop();
}
public void TimeFilter(String aFilterStr, FilterType aType)
{
TextMatchFilter nFilter = null;
if (!String.IsNullOrEmpty(aFilterStr))
{
switch (aType)
{
default:
case FilterType.CONTAINS:
nFilter = TextMatchFilter.Contains(this, aFilterStr);
break;
case FilterType.PREFIX:
nFilter = TextMatchFilter.Prefix(this, aFilterStr);
break;
case FilterType.REGEX:
nFilter = TextMatchFilter.Regex(this, aFilterStr);
break;
}
}
if (nFilter == null)
{
this.DefaultRenderer = null;
}
else
{
this.DefaultRenderer = new HighlightTextRenderer(nFilter);
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = this.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = nFilter;
}
this.AdditionalFilter = nFilter;
}
void TimedFilter(ObjectListView olv, string txt)
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
filter = TextMatchFilter.Contains(olv, txt);
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
}
else
{
HighlightTextRenderer htr = new HighlightTextRenderer(filter);
htr.FillBrush = Brushes.AliceBlue;
olv.DefaultRenderer = htr; //new HighlightTextRenderer(filter);
// Uncomment this line to see how the GDI+ rendering looks
//olv.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
CompositeAllFilter currentFilter = null;
if (filter != null)
{
// Get the existing model filters, if any, remove any existing TextMatchFilters,
// then add the new TextMatchFilter
if (olv.ModelFilter == null) // easy, just add the new one
{
List <IModelFilter> listOfFilters = new List <IModelFilter>();
listOfFilters.Add(filter); //add the TextMatchFilter
CompositeAllFilter compositeFilter = new CompositeAllFilter(listOfFilters);
olv.ModelFilter = compositeFilter;
}
else //need to remove existing TextMatchFilters, if any, than add the new one
{
currentFilter = (CompositeAllFilter)olv.ModelFilter;
//find the first existing TextMatchFilter (should be at most one) and remove it
foreach (IModelFilter m in currentFilter.Filters)
{
if (m is TextMatchFilter)
{
currentFilter.Filters.Remove(m);
break;
}
}
//add the new TextMatchFilter
if (olv.ModelFilter != null)
{
(olv.ModelFilter as CompositeAllFilter).Filters.Add(filter);
}
else
{
List <IModelFilter> listOfFilters = new List <IModelFilter>();
listOfFilters.Add(filter); //add the TextMatchFilter
CompositeAllFilter compositeFilter = new CompositeAllFilter(listOfFilters);
olv.ModelFilter = compositeFilter;
}
}
}
else //remove text filter
{
if (olv.ModelFilter != null)
{
currentFilter = (CompositeAllFilter)olv.ModelFilter;
//find and remove the first existing TextMatchFilter if any
foreach (IModelFilter m in currentFilter.Filters)
{
if (m is TextMatchFilter)
{
currentFilter.Filters.Remove(m);
break;
}
}
if (currentFilter.Filters.Count == 0)
{
fastDataListView1.ModelFilter = null;
}
}
}
if (currentFilter != null)
{
fastDataListView1.ModelFilter = currentFilter;
}
updateStatusLine(fastDataListView1);
}
private void materialSingleLineTextField3_TextChanged(object sender, EventArgs e)
{
string txt = materialSingleLineTextField3.Text;
//Debug.WriteLine("过滤： " + txt);
int matchKind = comboBox4.SelectedIndex;
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(fastObjectListView1, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(fastObjectListView1, txt);
break;
case 2:
filter = TextMatchFilter.Regex(fastObjectListView1, txt);
break;
}
}
if (filter == null)
{
fastObjectListView1.DefaultRenderer = null;
}
else
{
fastObjectListView1.DefaultRenderer = new HighlightTextRenderer(filter);
// 可以选择GDI渲染高亮
//fastObjectListView1.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// 如果使用了其他过滤器
HighlightTextRenderer highlightingRenderer = fastObjectListView1.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
fastObjectListView1.AdditionalFilter = filter;
stopWatch.Stop();
IList objects = fastObjectListView1.Objects as IList;
if (objects == null)
{
SetTips(String.Format("过滤完成, 消耗 {0} 毫秒", stopWatch.ElapsedMilliseconds));
}
else
{
SetTips(String.Format("过滤完成, 总元素数量 {0} , 过滤后元素数量 {1} ,消耗 {2} 毫秒",
objects.Count,
fastObjectListView1.Items.Count,
stopWatch.ElapsedMilliseconds));
}
fastObjectListView1.Invalidate();
//Debug.WriteLine("过滤： " + txt + " 完毕.");
}
void TimedFilter(ObjectListView olv, string txt, int matchKind)
{
TextMatchFilter filter = null;
if (!String.IsNullOrEmpty(txt))
{
switch (matchKind)
{
case 0:
default:
filter = TextMatchFilter.Contains(olv, txt);
break;
case 1:
filter = TextMatchFilter.Prefix(olv, txt);
break;
case 2:
filter = TextMatchFilter.Regex(olv, txt);
break;
}
}
// Setup a default renderer to draw the filter matches
if (filter == null)
{
olv.DefaultRenderer = null;
}
else
{
olv.DefaultRenderer = new HighlightTextRenderer(filter);
// Uncomment this line to see how the GDI+ rendering looks
//olv.DefaultRenderer = new HighlightTextRenderer { Filter = filter, UseGdiTextRendering = false };
}
// Some lists have renderers already installed
HighlightTextRenderer highlightingRenderer = olv.GetColumn(0).Renderer as HighlightTextRenderer;
if (highlightingRenderer != null)
{
highlightingRenderer.Filter = filter;
}
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
olv.AdditionalFilter = filter;
olv.Invalidate();
stopWatch.Stop();
IList objects = olv.Objects as IList;
if (objects == null)
{
string msg = String.Format("Filtered in {0}ms", stopWatch.ElapsedMilliseconds);
this.toolTip1.SetToolTip(this.textBoxFilterTree, msg);
}
else
{
string msg = String.Format("Filtered {0} items down to {1} items in {2}ms",
objects.Count,
olv.Items.Count,
stopWatch.ElapsedMilliseconds);
this.toolTip1.SetToolTip(this.textBoxFilterTree, msg);
}
}
