private string GetCounterReset()
{
try
{
if (!_KeepOriginalLineNumbers)
{
return(string.Empty);
}
if (_lineNumbers.Count >= _lineNum)
{
return(" " + Styled.Css($"counter-reset: linenum {_lineNumbers[_lineNum - 1] - 1};"));
}
if (_addedCodeString && _lineNum == _lineNumbers.Count + 1)
{
return(string.Empty);
}
if (_lineNumbers.Count + _codeLineNumbers.Count >= _lineNum)
{
int baseCount = _addedCodeString ? _lineNumbers.Count + 1 : _lineNumbers.Count;
int offset = _addedCodeString ? 1 : 0;
return(" " + Styled.Css($"counter-reset: linenum {_codeLineNumbers[_lineNum - baseCount - 1] - offset};"));
}
}
catch (Exception)
{
//ignored
}
return(string.Empty);
}
protected async Task RefreshStyles()
{
SetColorScheme(ColorScheme?.ToLower() ?? "gray");
var parametersDict = GetPropertiesDict();
if (string.IsNullOrEmpty(className))
{
className = await Styled.CssAsync(GetCss(parametersDict));
}
else
{
await Styled.CssAsync(className, GetCss(parametersDict));
}
await ApplyPseudoClasses(this, className);
}
private async Task ApplyPseudoClasses(StyledComponentBase component, string _className)
{
var pseudoClassDict = component.GetPseudoClassesWithProperties();
foreach (var key in pseudoClassDict.Keys)
{
var subComponent = pseudoClassDict[key];
if (subComponent == null)
{
continue;
}
var pseudoClassName = ApplyPseudoClass(key, _className);
Console.WriteLine($"{ApplyPseudoClass(key, _className)}: {GetCss(subComponent.GetPropertiesDict())}");
await Styled.CssAsync(
pseudoClassName,
GetCss(subComponent.GetPropertiesDict()));
await ApplyPseudoClasses(subComponent, pseudoClassName);
}
}
protected override async Task OnInitializedAsync()
{
_styled = Styled.WithId("pretty-code");
_unsubscriber = DefaultSettings.Subscribe(this);
bool debug = Debug ?? DefaultSettings.IsDevelopmentMode;
bool showException = ShowException ?? DefaultSettings.ShowException;
InitSettings();
await InitSourceFile(showException);
if (debug)
{
PrintToConsole();
}
InitCSS();
await InitThemeCss();
_shouldRender = true;
}
protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (firstRender)
{
_currentTheme = SlidesAPI.State.Theme;
}
if (_currentTheme != SlidesAPI.State.Theme)
{
IStyled themeStyled = Styled.WithId("BlazorSlidesTheme", 200_000);
await themeStyled.ClearStylesAsync();
_currentTheme = SlidesAPI.State.Theme;
_rendered = false;
}
if (_classname != null && _previousClassname != _classname && !_rendered)
{
_previousClassname = _classname;
_rendered = true;
Classname = _classname;
await ClassnameChanged.InvokeAsync(Classname);
}
}
private async Task InitThemeCss()
{
string themeName = Theme ?? DefaultConfig.DefaultTheme;
string uri = themeName.ToLower().StartsWith("http") ? themeName : "_content/BlazorPrettyCode/" + themeName + ".json";
string strJson = await HttpClient.GetStringAsync(uri);
Theme theme = JsonSerializer.Parse <Theme>(strJson);
_showLineNumbers = ShowLineNumbers ?? DefaultConfig.ShowLineNumbers;
foreach (string font in getFonts(theme))
{
await Styled.Fontface(font);
}
_themePreClass = await Styled.Css(getThemeValues(theme));
_themeTagSymbolsClass = await Styled.Css(getThemeValues(theme, "Tag symbols"));
_themeTagNameClass = await Styled.Css(getThemeValues(theme, "Tag name"));
_themeAttributeNameClass = await Styled.Css(getThemeValues(theme, "Attribute name"));
_themeAttributeValueClass = await Styled.Css(getThemeValues(theme, "Attribute value"));
_themeQuotedStringClass = await Styled.Css(getThemeValues(theme, "String"));
_themeRazorKeywordClass = await Styled.Css(getThemeValues(theme, "Razor Keyword"));
_themeTextClass = await Styled.Css(getThemeValues(theme, "Text"));
_highlightLines = GetLineNumbers(HighlightLines);
if (_highlightLines.Count > 0)
{
_themeRowHighlight = await Styled.Css(getThemeValues(theme, "Row Highlight"));
}
}
private async Task InitCSS()
{
_basePreClass = await Styled.Css(@"
display: table;
table-layout: fixed;
width: 100%; /* anything but auto, otherwise fixed layout not guaranteed */
white-space: pre-wrap;
-webkit-border-radius: 5px;
@media only screen and (min-width: 320px) and (max-width: 480px) {
font-size: 50%;
}
@media (min-width: 481px) and (max-width: 1223px) {
font-size: 80%;
}
&:before {
counter-reset: linenum;
}
");
//Code Row
_baseRowSpan = await Styled.Css(@"
display: table-row;
counter-increment: linenum;
");
_baseLineNumbersCell = await Styled.Css(@"
display: table-cell;
user-select: none;
-moz-user-select: none;
-webkit-user-select: none;
width: 4em;
border-right-style: solid;
border-right-width: 1px;
border-right-color: rgb(223, 225, 230);
&:before {
content: counter(linenum) '.';
text-align: right;
display: block;
}
");
_baseCodeCell = await Styled.Css(@"
display: table-cell;
padding-left: 1em;
");
//Title Row
_baseRowSpanTitle = await Styled.Css(@"
display: table-row;
");
_baseCellSpacer = await Styled.Css(@"
display: table-cell;
user-select: none;
-moz-user-select: none;
-webkit-user-select: none;
width: 4em;
border-bottom-style: solid;
border-bottom-width: 1px;
border-bottom-color: rgb(223, 225, 230);
");
_baseCellTitle = await Styled.Css(@"
display: table-cell;
padding: 0.4em 1em 0.4em;
font-weight: bold;
border-bottom-style: solid;
border-bottom-width: 1px;
border-bottom-color: rgb(223, 225, 230);
");
// Expand / Collapse
_baseCollapse = await Styled.Css(@"
font-weight: normal;
font-size: 0.8em;
display: table-cell;
width: 10em;
&:hover {
text-decoration: underline;
cursor: pointer;
}
");
}