protected void Search(SearchCriterion criterion)
{
IList<SnippetInMemory> searchIn = null;
// we only search in the last results if it's an And or a Not
if (criterion.ConcatWithLast == SearchTypeConcat.And || criterion.ConcatWithLast == SearchTypeConcat.Not)
searchIn = lastResults;
// otherwsie we search in the original universe of snippets
else if (criterion.ConcatWithLast == SearchTypeConcat.Or || criterion.ConcatWithLast == SearchTypeConcat.None)
searchIn = model.snippets;
else
throw new NotSupportedException("Unsupported search type, sorry!");
List<SnippetInMemory> results = new List<SnippetInMemory>();
// if it's an OR or a NOT, bring the old results forward
if (criterion.ConcatWithLast == SearchTypeConcat.Or || criterion.ConcatWithLast == SearchTypeConcat.Not)
results.AddRange(lastResults);
foreach (SnippetInMemory snippet in searchIn)
{
// AND and OR both need the snippet to not be present already (to not double up) and to match the criterion.
if (criterion.ConcatWithLast != SearchTypeConcat.Not && !results.Contains(snippet) && snippet.Matches(criterion))
{
results.Add(snippet);
}
// the not needs the snippet to already be there to remove it, and then if it matches the criteria we remove it
else if (criterion.ConcatWithLast == SearchTypeConcat.Not && results.Contains(snippet) && snippet.Matches(criterion))
{
results.Remove(snippet);
}
}
lastResults = results;
}
public SearchCriterion GetCriterion()
{
SearchCriterion retVal = new SearchCriterion();
retVal.ConcatWithLast = (SearchTypeConcat)Int32.Parse(GetValue("ConcatWithLast", criterionText));
int ignoreCase = Int32.Parse(GetValue("IgnoreCase", criterionText));
retVal.IgnoreCase = (ignoreCase == 1);
retVal.IsContains = (SearchTypeIsContains)Int32.Parse(GetValue("IsContains", criterionText));
retVal.TextTitle = (SearchTypeTextTitle)Int32.Parse(GetValue("TextTitle", criterionText));
retVal.Where = (SearchTypeWhere)Int32.Parse(GetValue("Where", criterionText));
retVal.Word = GetLastValue("Word",criterionText);
return retVal;
}
public SearchCriterion GetSearchCriterion()
{
SearchCriterion retVal = new SearchCriterion();
retVal.ConcatWithLast = SearchTypeConcat.None;
if (boxConcat.SelectedItem != null)
retVal.ConcatWithLast = (SearchTypeConcat)SearchCriterionConverter.GetTextAsEnum(boxConcat.SelectedItem.ToString(), typeof(SearchTypeConcat));
retVal.IsContains = (SearchTypeIsContains)SearchCriterionConverter.GetTextAsEnum(boxContainsIs.SelectedItem.ToString(), typeof(SearchTypeIsContains));
retVal.Where = (SearchTypeWhere)SearchCriterionConverter.GetTextAsEnum(boxParentOrAncestor.SelectedItem.ToString(), typeof(SearchTypeWhere));
retVal.TextTitle = (SearchTypeTextTitle)SearchCriterionConverter.GetTextAsEnum(boxTextOrTitle.SelectedItem.ToString(), typeof(SearchTypeTextTitle));
retVal.Word = textBoxSearchText.Text;
retVal.IgnoreCase = true;
return retVal;
}
protected bool IsValid(SearchCriterion criterion)
{
return (criterion.Word != null && criterion.Word.Length > 0);
}
protected string GetShortDescription(SearchCriterion criterion)
{
System.Text.StringBuilder builder = new System.Text.StringBuilder(10);
if (criterion.ConcatWithLast != SearchTypeConcat.None)
{
builder.Append(" ");
builder.Append(criterion.ConcatWithLast);
builder.Append(" ");
}
if (criterion.TextTitle == SearchTypeTextTitle.Id)
{
builder.Append("id=");
builder.Append(criterion.Word);
}
else
{
builder.Append("\"");
builder.Append(criterion.Word);
builder.Append("\"");
}
return builder.ToString();
}
protected string GetDescription(SearchCriterion criterion)
{
System.Text.StringBuilder builder = new System.Text.StringBuilder(20);
if (criterion.ConcatWithLast != SearchTypeConcat.None)
{
builder.Append("\n");
builder.Append(criterion.ConcatWithLast);
builder.Append("\n");
}
builder.Append("Snippets whose ");
if (criterion.Where != SearchTypeWhere.Own)
{
builder.Append(criterion.Where.ToString().Replace("_"," "));
if ((criterion.Where & SearchTypeWhere.Own) == 0)
builder.Append("'s");
builder.Append(" ");
}
builder.Append(criterion.TextTitle.ToString().ToLower());
if (criterion.TextTitle == SearchTypeTextTitle.Id)
{
try
{
builder.Append("=");
builder.Append(criterion.Word);
string title = Universe.Instance.ModelGateway.FindSnippet(Int32.Parse(criterion.Word)).Title;
builder.Append(" (");
builder.Append(title);
builder.Append(")");
}
catch (Exception) {
// no problem, just hide this, snippet not found or id not numeric or
// whatever
}
} else {
builder.Append(" ");
builder.Append(criterion.IsContains.ToString().ToLower());
builder.Append(" the text \"");
builder.Append(criterion.Word);
builder.Append("\"");
}
return builder.ToString();
}
public SerializableCriterion(SearchCriterion criterion)
{
makeText(criterion);
}
private void makeText(SearchCriterion criterion)
{
if (criterion.Word == null || criterion.Word.Length == 0)
return;
StringBuilder retVal = new StringBuilder();
AppendNumber(retVal, "ConcatWithLast", (int)criterion.ConcatWithLast);
int ignoreCase = 0;
if (criterion.IgnoreCase)
ignoreCase = 1;
AppendNumber(retVal, "IgnoreCase", ignoreCase);
AppendNumber(retVal, "IsContains", (int)criterion.IsContains);
AppendNumber(retVal, "TextTitle", (int)criterion.TextTitle);
AppendNumber(retVal, "Where", (int)criterion.Where);
AppendText(retVal, "Word", criterion.Word);
criterionText = retVal.ToString();
}
private bool ThisMatches(SearchCriterion criterion)
{
// we do not allow searching on the Search Snippet Parent
if (this.IsSearchSnippetParent)
return false;
// We use the & for the ifs so that you can then add things, like
// icon OR title contains
// search the create
if ((criterion.TextTitle & SearchTypeTextTitle.Created) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Created))
return true;
}
// search the create
if ((criterion.TextTitle & SearchTypeTextTitle.Modified) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Modified))
return true;
}
// search the icon if necessary
if ((criterion.TextTitle & SearchTypeTextTitle.Icon) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Icon, criterion.IgnoreCase))
return true;
}
// search the text if necessary
if ((criterion.TextTitle & SearchTypeTextTitle.Text) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Text, criterion.IgnoreCase))
return true;
}
// search the title
if ((criterion.TextTitle & SearchTypeTextTitle.Title) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Title, criterion.IgnoreCase))
return true;
}
// search the id
if ((criterion.TextTitle & SearchTypeTextTitle.Id) > 0)
{
if (this.Id == Int32.Parse(criterion.Word))
return true;
}
return false;
}
private bool ParentMatches(SearchCriterion criterion)
{
bool continueToAncestors = ((criterion.Where & SearchTypeWhere.Ancestor) > 0);
foreach (SnippetInMemory parent in Parents)
{
// it is okay to skip the search (and assume false) because it's already
// been searched and these are ORs within one SearchCriterion
if (parent.ThisMatches(criterion))
return true;
if (continueToAncestors)
{
if (parent.ParentMatches(criterion))
return true;
}
}
return false;
}
public bool Matches(SearchCriterion criterion)
{
// where are we searching?
// do we need to search the self?
if ((criterion.Where & SearchTypeWhere.Own) > 0)
{
if (ThisMatches(criterion))
return true;
}
if ((criterion.Where & SearchTypeWhere.Parent) > 0 || (criterion.Where & SearchTypeWhere.Ancestor) > 0)
{
if (ParentMatches(criterion))
return true;
}
return false;
}
private bool ThisMatches(SearchCriterion criterion)
{
// search the icon if necessary
if ((criterion.TextTitle & SearchTypeTextTitle.Icon) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Icon, criterion.IgnoreCase))
return true;
}
// search the text if necessary
if ((criterion.TextTitle & SearchTypeTextTitle.Text) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Text, criterion.IgnoreCase))
return true;
}
// search the title
if ((criterion.TextTitle & SearchTypeTextTitle.Title) > 0)
{
if (Matches(criterion.IsContains, criterion.Word, this.Title, criterion.IgnoreCase))
return true;
}
// search the id
if ((criterion.TextTitle & SearchTypeTextTitle.Id) > 0)
{
if (this.Id == Int32.Parse(criterion.Word))
return true;
}
return false;
}
