/// <summary>
/// Creates an analzyer.
/// </summary>
/// <param name="name">Sets the name of the analyzer.</param>
/// <param name="type">Sets the type of the analyzer.</param>
public AnalyzerBase(string name, AnalyzerTypeEnum type)
{
if (string.IsNullOrWhiteSpace(name))
throw new ArgumentNullException("name", "All analyzers require a name.");
if (type == null)
throw new ArgumentNullException("type", "All analzyers require a type.");
Name = name;
Type = type;
}
/// <summary>
/// Create a language analyzer that allows stem exclusions.
/// </summary>
/// <param name="name">Sets the name of the language analyzer.</param>
/// <param name="type">Sets the language analyzer type.</param>
public StemExclusionLanguageAnalyzerBase(string name, AnalyzerTypeEnum type)
: base(name, type)
{ }
/// <summary>
/// This constructor is for items that inherit the StopAnalyzer.
/// </summary>
/// <param name="name">Sets the name of the analyzer.</param>
/// <param name="type">Sets the type of the analyzer.</param>
protected StopAnalyzer(string name, AnalyzerTypeEnum type) : base(name, type) { }
/// <summary>
/// Creates a language analyzer.
/// </summary>
/// <param name="name">Sets the name of the analyzer.</param>
/// <param name="type">Sets the language analyzer type.</param>
public LanguageAnalyzerBase(string name, AnalyzerTypeEnum type)
: base(name, type)
{ }
protected void Initialize()
{
string stopWordsScript = ScriptHelper.GetScript(@" function CheckAnalyzerOptions(){
stopRow = document.getElementById('" + stopWordsRow.ClientID + @"');
analyzerElem = document.getElementById('" + mDropDown.ClientID + @"');
if ((analyzerElem.value == 'stop')||(analyzerElem.value == 'standard'))
{
stopRow.style.display = '';
}
else
{
stopRow.style.display = 'none';
}
customRow = document.getElementById('" + customAnalyzerAssemblyName.ClientID + @"');
customRow2 = document.getElementById('" + customAnalyzerClassName.ClientID + @"');
if (analyzerElem.value == 'custom')
{
customRow.style.display = '';
customRow2.style.display = '';
}
else
{
customRow.style.display = 'none';
customRow2.style.display = 'none';
}
}");
mDropDown.Attributes.Add("onchange", "CheckAnalyzerOptions();");
ScriptHelper.RegisterClientScriptBlock(this.Page, typeof(string), "StopWordsDropDown", stopWordsScript);
if (!RequestHelper.IsPostBack())
{
string stopWordsDir = SearchIndexInfo.IndexPathPrefix + "_StopWords\\";
if (Directory.Exists(stopWordsDir))
{
string[] files = Directory.GetFiles(stopWordsDir, "*.txt");
if (files != null)
{
foreach (string file in files)
{
string name = file;
int index = name.LastIndexOf('\\');
if (index > -1)
{
name = name.Substring(index + 1);
}
name = name.Substring(0, name.LastIndexOf('.'));
drpStopWords.Items.Add(new ListItem(name, name));
}
}
}
drpStopWords.Items.Insert(0, new ListItem("(" + GetString("general.default") + ")", String.Empty));
}
bool hideCustom = true;
bool hideStop = true;
AnalyzerTypeEnum type = SearchIndexInfoProvider.AnalyzerCodenameToEnum(mDropDown.SelectedValue);
if ((!RequestHelper.IsPostBack()) && (mIndexInfo != null))
{
type = mIndexInfo.IndexAnalyzerType;
txtCustomAnalyzerAssemblyName.Text = mIndexInfo.CustomAnalyzerAssemblyName;
txtCustomAnalyzerClassName.Text = mIndexInfo.CustomAnalyzerClassName;
try
{
drpStopWords.SelectedValue = mIndexInfo.StopWordsFile;
}
catch
{
}
}
switch (type)
{
case AnalyzerTypeEnum.CustomAnalyzer:
hideCustom = false;
break;
case AnalyzerTypeEnum.StandardAnalyzer:
case AnalyzerTypeEnum.StopAnalyzer:
hideStop = false;
break;
}
stopWordsRow.Style.Clear();
if (hideStop)
{
stopWordsRow.Style.Add("display", "none");
}
customAnalyzerAssemblyName.Style.Clear();
customAnalyzerClassName.Style.Clear();
if (hideCustom)
{
customAnalyzerAssemblyName.Style.Add("display", "none");
customAnalyzerClassName.Style.Add("display", "none");
}
}