/// <summary> /// Adds VisualElements corresponding to the provided rich text to a root. /// </summary> /// <param name="text">The rich text to parse</param> /// <param name="root">Visual Element to append the rich text UI to, current default if left null</param> /// <returns>A list of all immediate children added to the root.</returns> public List <VisualElement> AddRichText(string text, VisualElement root = null) => RichTextUtility.AddRichText(text, content, content.GetRoot(root));
void DoSearch()
{
EditorPrefs.SetString(searchEditorPrefsKey, searchString);
if (string.IsNullOrEmpty(searchString))
{
searchRoot.Clear();
searchRoot.visible = false;
return;
}
string searchStringLower = searchString.ToLower();
//Cache current page
string currentPageStateNameCached = currentPageStateName;
//Clear the previous search
searchRoot.Clear();
searchRoot.visible = true;
//searchRootTemp is an un-parented root to append to so we can search content.
VisualElement searchRootTemp = new VisualElement();
Dictionary <IDocumentationPage <T>, List <string> > searchResults = new Dictionary <IDocumentationPage <T>, List <string> >();
StringBuilder stringBuilder = new StringBuilder();
foreach (IDocumentationPage <T> page in pages.Values)
{
if (!searchStringsCache.TryGetValue(page, out var searchStrings))
{
searchStrings = new List <string>();
searchStringsCache.Add(page, searchStrings);
//Load the page under searchRootTemp
LoadPage(page, searchRootTemp);
//Get all the paragraph element's text (combined together)
searchRootTemp.Query(null, "paragraph-container").ForEach(paragraph =>
{
stringBuilder.Clear();
paragraph.Query <TextElement>().Build().ForEach(tE => stringBuilder.Append(tE.text));
searchStrings.Add(stringBuilder.ToString());
paragraph.Clear();
});
//Get all the text from the Text elements under searchRootTemp
searchRootTemp.Query <TextElement>().ForEach(element => searchStrings.Add(element.text));
}
foreach (string searchStringLocal in searchStrings)
{
string searchStringLocalLower = searchStringLocal.ToLower();
if (searchStringLocalLower.Contains(searchStringLower))
{
if (!searchResults.TryGetValue(page, out var resultStrings))
{
searchResults.Add(page, resultStrings = new List <string>());
}
resultStrings.Add(searchStringLocal);
}
}
}
List <string> matches = new List <string>(maxMatchCount);
foreach (var result in searchResults)
{
//Result Container
VisualElement resultContainer = new VisualElement();
resultContainer.ClearClassList();
resultContainer.AddToClassList("result-container");
resultContainer.userData = result.Key;
searchRoot.Add(resultContainer);
//Result Button
Button searchResultButton = window.AddFullWidthButton(result.Key.GetType(), resultContainer);
searchResultButton.AddToClassList("result");
Label resultLabel = RichTextUtility.AddInlineText(searchResultButton.text, searchResultButton);
resultLabel.style.color = searchResultButton.style.color;
searchResultButton.text = null;
Label resultCountLabel = RichTextUtility.AddInlineText($" ({result.Value.Count} Results)", searchResultButton);
resultCountLabel.style.color = new Color(1, 1, 1, 0.35f);
searchResultButton.RegisterCallback <MouseUpEvent>(evt => searchRoot.visible = false);
//Results (the string matches)
VisualElement resultMatchesContainer = new VisualElement();
resultMatchesContainer.ClearClassList();
resultMatchesContainer.AddToClassList("result-matches-container");
resultContainer.Add(resultMatchesContainer);
//Create a hashset of all the matched words.
matches.Clear();
foreach (string m in result.Value)
{
string match = Regex.Match(m, $@"\w*{searchStringLower}\w*", RegexOptions.IgnoreCase).Value;
if (matches.Contains(match))
{
continue;
}
matches.Add(match);
if (matches.Count > maxMatchCount)
{
break;
}
}
//Add a max of maxMatchCount inline text to the resultMatchesContainer
int l = Mathf.Min(maxMatchCount, matches.Count);
for (int i = 0; i < l; i++)
{
//Create group for matched coloured text.
VisualElement inlineTextGroup = new VisualElement();
inlineTextGroup.ClearClassList();
inlineTextGroup.AddToClassList("inline-text-group");
inlineTextGroup.AddToClassList("result");
resultMatchesContainer.Add(inlineTextGroup);
int indexOf = matches[i].IndexOf(searchStringLower, StringComparison.OrdinalIgnoreCase);
Label matchContent;
if (matches[i].Length == searchStringLower.Length)
{
matchContent = RichTextUtility.AddInlineText(matches[i], inlineTextGroup);
}
else if (indexOf == 0)
{
matchContent = RichTextUtility.AddInlineText(matches[i].Substring(indexOf, searchStringLower.Length), inlineTextGroup);
RichTextUtility.AddInlineText(matches[i].Substring(searchStringLower.Length), inlineTextGroup);
}
else if (indexOf == matches[i].Length - searchStringLower.Length)
{
RichTextUtility.AddInlineText(matches[i].Substring(0, indexOf), inlineTextGroup);
matchContent = RichTextUtility.AddInlineText(matches[i].Substring(indexOf), inlineTextGroup);
}
else
{
RichTextUtility.AddInlineText(matches[i].Substring(0, indexOf), inlineTextGroup);
matchContent = RichTextUtility.AddInlineText(matches[i].Substring(indexOf, searchStringLower.Length), inlineTextGroup);
RichTextUtility.AddInlineText(matches[i].Substring(indexOf + searchStringLower.Length), inlineTextGroup);
}
matchContent.style.color = new Color(1, 0.5f, 0);
}
if (l != matches.Count)
{
RichTextUtility.AddInlineText("...", resultMatchesContainer);
}
}
searchRoot.Sort((a, b) => searchResults[(IDocumentationPage <T>)b.userData].Count.CompareTo(searchResults[(IDocumentationPage <T>)a.userData].Count));
//Reset page
currentPageStateName = currentPageStateNameCached;
}
