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variant: move scripts to own file #188

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Sören Weber 2022-02-20 23:58:16 +01:00
parent c31edb7f1f
commit 442a4f4832
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288
exampleSite/content/basics/generator/_index.en.md
View file

@ -18,292 +18,8 @@ This is best seen in the `neon` variant with the differnet headings colors. Ther
<div id="vargenerator" class="mermaid" style="background-color: var(--INTERNAL-MAIN-TEXT-color);" align="center">Graph</div>
<a id="vardownload" class="btn btn-default">Download color variant</a>
<a class="vardownload btn btn-default">Download color variant</a>
<script>
function initGraph(){
var graphDefinition = generateGraph();
var element = document.querySelector( '#vargenerator' );
element.innerHTML = graphDefinition;
var interval_id = setInterval( function(){
if( document.querySelectorAll( '#vargenerator.mermaid > svg' ).length ){
clearInterval( interval_id );
generateGraphStyles();
}
}, 100 );
var btn = document.querySelector( '#vardownload' );
btn.addEventListener('click', getStylesheet);
};
function download(data, mimetype, filename){
var blob = new Blob([data], { type: mimetype });
var url = window.URL.createObjectURL(blob);
var a = document.createElement('a');
a.setAttribute('href', url);
a.setAttribute('download', filename);
a.click();
}
function getStylesheet(){
download( generateStylesheet(), 'text/css', 'theme-' + themename + '.css' );
}
function adjustCSSRules(selector, props, sheets){
// get stylesheet(s)
if (!sheets) sheets = [...document.styleSheets];
else if (sheets.sup){ // sheets is a string
let absoluteURL = new URL(sheets, document.baseURI).href;
sheets = [...document.styleSheets].filter(i => i.href == absoluteURL);
}
else sheets = [sheets]; // sheets is a stylesheet
// CSS (& HTML) reduce spaces in selector to one.
selector = selector.replace(/\s+/g, ' ');
const findRule = s => [...s.cssRules].reverse().find(i => i.selectorText == selector)
let rule = sheets.map(findRule).filter(i=>i).pop()
const propsArr = props.sup
? props.split(/\s*;\s*/).map(i => i.split(/\s*:\s*/)) // from string
: Object.entries(props); // from Object
if (rule) for (let [prop, val] of propsArr){
// rule.style[prop] = val; is against the spec, and does not support !important.
rule.style.setProperty(prop, ...val.split(/ *!(?=important)/));
}
else {
sheet = sheets.pop();
if (!props.sup) props = propsArr.reduce((str, [k, v]) => `${str}; ${k}: ${v}`, '');
sheet.insertRule(`${selector} { ${props} }`, sheet.cssRules.length);
}
}
function normalizeColor( c ){
c = c.trim();
c = c.replace( /\s*\(\s*/, "( " );
c = c.replace( /\s*\)\s*/, " )" );
c = c.replace( /\s*,\s*/, ", " );
c = c.replace( /0*\./, "." );
c = c.replace( / +/, " " );
return c;
}
function getColorValue( c ){
return normalizeColor( getComputedStyle( document.documentElement ).getPropertyValue( '--INTERNAL-'+c ) );
}
function changeColor( c ){
var style = null;
var theme = getTheme();
for( var n = 0; n < document.styleSheets.length; ++n ){
if( theme = parseTheme( document.styleSheets[n].href ) ){
var s = document.styleSheets[n];
for( var m = 0; m < s.rules.length; ++m ){
if( s.rules[m].selectorText == ':root' ){
style = s.rules[m].style;
break;
}
}
break;
}
}
if( !style ){
alert( 'Theme stylesheet for theme "' + theme + '" not set or found' );
return;
}
var r = document.querySelector( ':root' );
var v = getColorValue( c );
var n = prompt( '--'+c, v ).trim();
if( n ){
r = style.quer
style.setProperty( '--'+c, n );
}
else{
style.removeProperty( '--'+c );
}
}
function generateColorVariable( e ){
var v = '';
var gen = true;
if( e.fallback ){
f = variables.find( function( x ){
return x.name == e.fallback;
});
gen = getColorValue(f.name) != getColorValue(e.name);
}
else if( e.default ){
gen = e.default != getColorValue(e.name);
}
if( gen ){
v += ' --' + e.name + ': ' + getColorValue(e.name) + ';\n';
}
return v;
}
function generateStylesheet(){
var style =
'/* ' + themename + ' */\n' +
':root {\n' +
variables.reduce( function( a, e ){ return a + generateColorVariable( e ); }, '' ) +
'}\n';
return style;
}
function styleGroup( selector, colorvar ){
adjustCSSRules( '#body svg '+selector+' > rect', 'color: var(--INTERNAL-'+colorvar+'); fill: var(--INTERNAL-'+colorvar+'); stroke: #80808080;' );
adjustCSSRules( '#body svg '+selector+' > .label .nodeLabel', 'color: var(--INTERNAL-'+colorvar+'); fill: var(--INTERNAL-'+colorvar+'); stroke: #80808080;' );
adjustCSSRules( '#body svg '+selector+' > .cluster-label .nodeLabel', 'color: var(--INTERNAL-'+colorvar+'); fill: var(--INTERNAL-'+colorvar+'); stroke: #80808080;' );
// adjustCSSRules( '#body svg '+selector+' rect', 'stroke: #80808080;' );
adjustCSSRules( '#body svg '+selector+' .nodeLabel', 'filter: grayscale(1) invert(1) contrast(10000);' );
}
function generateGraphStyles(){
variables.forEach( function( e ){
styleGroup( '.'+e.name, e.name );
});
styleGroup( '#maincontent', 'MAIN-BG-color' )
styleGroup( '#mainheadings', 'MAIN-BG-color' )
styleGroup( '#inlinecode', 'CODE-INLINE-BG-color' )
styleGroup( '#blockcode', 'CODE-BLOCK-BG-color' )
styleGroup( '#coloredboxes', 'BOX-BG-color' );
styleGroup( '#menu', 'MENU-SECTIONS-BG-color' )
styleGroup( '#menuheader', 'MENU-HEADER-BG-color' )
styleGroup( '#menusections', 'MENU-SECTIONS-ACTIVE-BG-color' )
}
function generateEdge( e ){
var edge = '';
if( e.fallback ){
edge += e.fallback+':::'+e.fallback+' --> '+e.name+':::'+e.name;
}
else{
edge += e.name+':::'+e.name;
}
return edge;
}
function generateGraph(){
var g_groups = {};
var g_handler = '';
variables.forEach( function( e ){
var group = e.group || ' ';
g_groups[ group ] = ( g_groups[ group ] || [] ).concat( e );
g_handler += ' click '+e.name+' changeColor\n';
});
var graph =
'flowchart LR\n' +
' subgraph menu["menu"]\n' +
' direction TB\n' +
' subgraph menuheader["header"]\n' +
' direction LR\n' +
g_groups[ 'header' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' end\n' +
' subgraph menusections["sections"]\n' +
' direction LR\n' +
g_groups[ 'sections' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' end\n' +
' end\n' +
' subgraph maincontent["content"]\n' +
' direction TB\n' +
g_groups[ 'content' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' subgraph mainheadings["headings"]\n' +
' direction LR\n' +
g_groups[ 'headings' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' end\n' +
' subgraph inlinecode["inline code"]\n' +
' direction LR\n' +
g_groups[ 'inline code' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' end\n' +
' subgraph blockcode["code blocks"]\n' +
' direction LR\n' +
g_groups[ 'code blocks' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' end\n' +
' subgraph coloredboxes["colored boxes"]\n' +
' direction LR\n' +
g_groups[ 'colored boxes' ].reduce( function( a, e ){ return a + ' ' + generateEdge( e ) + '\n'; }, '' ) +
' end\n' +
' end\n' +
g_handler;
console.log( graph );
return graph;
}
var themename = 'my-variant';
var variables = [
{ name: 'MAIN-TEXT-color', group: 'content', default: '#101010' },
{ name: 'MAIN-LINK-color', group: 'content', default: '#486ac9' },
{ name: 'MAIN-LINK-HOVER-color', group: 'content', fallback: 'MAIN-LINK-color' },
{ name: 'MAIN-ANCHOR-color', group: 'content', fallback: 'MAIN-LINK-color' },
{ name: 'MAIN-BG-color', group: 'content', default: '#ffffff' },
{ name: 'TAG-BG-color', group: 'content', fallback: 'MENU-HEADER-BG-color' },
{ name: 'MAIN-TITLES-TEXT-color', group: 'headings', default: '#444753' },
{ name: 'MAIN-TITLES-H1-color', group: 'headings', fallback: 'MAIN-TEXT-color' },
{ name: 'MAIN-TITLES-H2-color', group: 'headings', fallback: 'MAIN-TITLES-TEXT-color' },
{ name: 'MAIN-TITLES-H3-color', group: 'headings', fallback: 'MAIN-TITLES-H2-color' },
{ name: 'MAIN-TITLES-H4-color', group: 'headings', fallback: 'MAIN-TITLES-H3-color' },
{ name: 'MAIN-TITLES-H5-color', group: 'headings', fallback: 'MAIN-TITLES-H4-color' },
{ name: 'MAIN-TITLES-H6-color', group: 'headings', fallback: 'MAIN-TITLES-H5-color' },
{ name: 'CODE-BLOCK-color', group: 'code blocks', default: '#000000' },
{ name: 'CODE-BLOCK-BG-color', group: 'code blocks', default: '#f8f8f8' },
{ name: 'CODE-BLOCK-BORDER-color', group: 'code blocks', fallback: 'CODE-BLOCK-BG-color' },
{ name: 'CODE-INLINE-color', group: 'inline code', default: '#5e5e5e' },
{ name: 'CODE-INLINE-BG-color', group: 'inline code', default: '#fffae9' },
{ name: 'CODE-INLINE-BORDER-color', group: 'inline code', fallback: 'CODE-INLINE-BG-color' },
{ name: 'MENU-HEADER-BG-color', group: 'header', default: '#7dc903' },
{ name: 'MENU-HEADER-BORDER-color', group: 'header', fallback: 'MENU-HEADER-BG-color' },
{ name: 'MENU-HOME-LINK-color', group: 'header', default: '#323232' },
{ name: 'MENU-HOME-LINK-HOVER-color', group: 'header', default: '#808080' },
{ name: 'MENU-SEARCH-color', group: 'header', default: '#e0e0e0' },
{ name: 'MENU-SEARCH-BG-color', group: 'header', default: '#323232' },
{ name: 'MENU-SEARCH-BOX-color', group: 'header', fallback: 'MENU-SEARCH-BG-color' },
{ name: 'MENU-SECTIONS-BG-color', group: 'sections', default: '#282830' },
{ name: 'MENU-SECTIONS-ACTIVE-BG-color', group: 'sections', default: '#202028' },
{ name: 'MENU-SECTION-ACTIVE-CATEGORY-color', group: 'sections', default: '#444444' },
{ name: 'MENU-SECTION-ACTIVE-CATEGORY-BG-color', group: 'sections', fallback: 'MAIN-BG-color' },
{ name: 'MENU-SECTIONS-LINK-color', group: 'sections', default: '#bababa' },
{ name: 'MENU-SECTIONS-LINK-HOVER-color', group: 'sections', fallback: 'MENU-SECTIONS-LINK-color' },
{ name: 'MENU-VISITED-color', group: 'sections', default: '#506397' },
{ name: 'MENU-SECTION-HR-color', group: 'sections', default: '#606060' },
{ name: 'BOX-CAPTION-color', group: 'colored boxes', default: 'rgba( 255, 255, 255, 1 )' },
{ name: 'BOX-BG-color', group: 'colored boxes', default: 'rgba( 255, 255, 255, .833 )' },
{ name: 'BOX-TEXT-color', group: 'colored boxes', default: 'rgba( 16, 16, 16, 1 )' },
{ name: 'BOX-BLUE-color', group: 'colored boxes', default: 'rgba( 48, 117, 229, 1 )' },
{ name: 'BOX-INFO-color', group: 'colored boxes', fallback: 'BOX-BLUE-color' },
{ name: 'BOX-BLUE-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color' },
{ name: 'BOX-INFO-TEXT-color', group: 'colored boxes', fallback: 'BOX-BLUE-TEXT-color' },
{ name: 'BOX-GREEN-color', group: 'colored boxes', default: 'rgba( 42, 178, 24, 1 )' },
{ name: 'BOX-TIP-color', group: 'colored boxes', fallback: 'BOX-GREEN-color' },
{ name: 'BOX-GREEN-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color' },
{ name: 'BOX-TIP-TEXT-color', group: 'colored boxes', fallback: 'BOX-GREEN-TEXT-color' },
{ name: 'BOX-GREY-color', group: 'colored boxes', default: 'rgba( 128, 128, 128, 1 )' },
{ name: 'BOX-NEUTRAL-color', group: 'colored boxes', fallback: 'BOX-GREY-color' },
{ name: 'BOX-GREY-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color' },
{ name: 'BOX-NEUTRAL-TEXT-color', group: 'colored boxes', fallback: 'BOX-GREY-TEXT-color' },
{ name: 'BOX-ORANGE-color', group: 'colored boxes', default: 'rgba( 237, 153, 9, 1 )' },
{ name: 'BOX-NOTE-color', group: 'colored boxes', fallback: 'BOX-ORANGE-color' },
{ name: 'BOX-ORANGE-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color' },
{ name: 'BOX-NOTE-TEXT-color', group: 'colored boxes', fallback: 'BOX-ORANGE-TEXT-color' },
{ name: 'BOX-RED-color', group: 'colored boxes', default: 'rgba( 224, 62, 62, 1 )' },
{ name: 'BOX-WARNING-color', group: 'colored boxes', fallback: 'BOX-RED-color' },
{ name: 'BOX-RED-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color' },
{ name: 'BOX-WARNING-TEXT-color', group: 'colored boxes', fallback: 'BOX-RED-TEXT-color' },
];
initGraph();
variants.generator( '#vargenerator', '.vardownload' );
</script>

2
layouts/partials/footer.html
View file

@ -41,7 +41,7 @@
window.T_Copy_link_to_clipboard = '{{ T "Copy-link-to-clipboard" | safeJS }}';
window.T_Link_copied_to_clipboard = '{{ T "Link-copied-to-clipboard" | safeJS }}';
</script>
<script src="{{"js/relearn.js" | relURL}}{{ if not .Site.Params.disableAssetsBusting }}?{{ now.Unix }}{{ end }}"></script>
<script src="{{"js/theme.js" | relURL}}{{ if not .Site.Params.disableAssetsBusting }}?{{ now.Unix }}{{ end }}"></script>
{{- partial "custom-footer.html" . }}
</body>
</html>

8
layouts/partials/menu.html
View file

@ -65,7 +65,7 @@
<div id="prefooter">
<ul>
{{- if $showlangswitch }}
<li>
<li id="select-language-container">
<a class="padding select-container">
<i class="fas fa-language fa-fw"></i>
<span>&nbsp;</span>
@ -92,12 +92,12 @@
</li>
{{- end }}
{{- if $showthemeswitch }}
<li>
<li id="select-variant-container">
<a class="padding select-container">
<i class="fas fa-paint-brush fa-fw"></i>
<span>&nbsp;</span>
<div class="select-style">
<select id="select-theme" onchange="changeTheme( this.value );">
<select id="select-variant" onchange="variants.changeVariant( this.value );">
{{- $firsttheme := true }}
{{- range $themevariants }}
{{- $themevariant := . }}
@ -113,7 +113,7 @@
</div>
<div class="select-clear"></div>
</a>
<script>markTheme( getTheme() );</script>
<script>variants.markSelectedVariant( variants.getVariant() );</script>
</li>
{{- end }}
{{- if $showvisitedlinks }}

64
layouts/partials/stylesheet.html
View file

@ -27,64 +27,12 @@
}
{{- end }}
</style>
<script src="{{"js/variant.js" | relURL}}{{ if not .Site.Params.disableAssetsBusting }}?{{ now.Unix }}{{ end }}"></script>
<script>
{{ "// we need to define this script in the head to avoid flickering" | safeJS }}
{{ "// on page load if the user has selected a non default variant" | safeJS }}
var theme = window.localStorage.getItem( 'theme' );
changeTheme( theme );
function parseTheme( s ){
if( !s || !s.match ){
return '';
}
var matches = s.match(/^.*\/?theme-([^\/]*?)\.css.*$/);
var theme = matches && matches.length == 2 ? matches[ 1 ] : '';
return theme;
}
function getTheme(){
var link = document.querySelector( '#variant-style' );
if( !link ){
return;
}
var path = link.getAttribute( 'href' );
var theme = parseTheme( path );
return theme;
}
function markTheme( theme ){
var select = document.querySelector( '#select-theme' );
if( !select ){
return;
}
select.value = theme;
}
function changeTheme( theme ){
{{- $quotedthemevariants := slice }}
{{- range $themevariants }}
{{- $quotedthemevariants = $quotedthemevariants | append (printf "\"%s\"" .) }}
{{- end }}
var themes = [ {{ delimit $quotedthemevariants ", " | safeJS }} ];
if( themes.indexOf( theme ) < 0 ){
theme = themes.length ? themes[ 0 ] : null;
}
if( !theme ){
return;
}
var link = document.querySelector( '#variant-style' );
if( !link ){
return;
}
var old_path = link.getAttribute( 'href' );
var new_path = old_path.replace( /^(.*\/theme-).*?(\.css.*)$/, '$1' + theme + '$2' );
if( old_path != new_path ){
window.localStorage.setItem( 'theme', theme );
link.setAttribute( 'href', new_path );
markTheme( theme );
{{ "// remove selection, because if some uses an arrow navigation" | safeJS }}
{{ "// by pressing the left or right cursor key, we will automatically" | safeJS }}
{{ "// select a different style" | safeJS }}
if( document.activeElement ){
document.activeElement.blur();
}
}
}
{{- $quotedthemevariants := slice }}
{{- range $themevariants }}
{{- $quotedthemevariants = $quotedthemevariants | append (printf "\"%s\"" .) }}
{{- end }}
variants.init( [ {{ delimit $quotedthemevariants ", " | safeJS }} ] );
</script>
<script src="{{"js/jquery.min.js"| relURL}}{{ if $assetBusting }}?{{ now.Unix }}{{ end }}"></script>

2
static/css/theme-neon.css
View file

@ -15,7 +15,7 @@
--MAIN-LINK-color: #1c90f3; /* Color of links */
--MAIN-LINK-HOVER-color: #4cabff; /* Color of hovered links */
--MAIN-ANCHOR-color: #1c90f3; /* color of anchors on titles */
--MAIN-ANCHOR-color: #4cabff; /* color of anchors on titles */
--MAIN-BG-color: #202020; /* color for code background */
/* adjusted to neon chroma style */

2
static/css/theme-relearn-dark.css
View file

@ -10,7 +10,7 @@
--MAIN-TITLES-TEXT-color: #ffffff; /* Color of titles h2-h3-h4-h5-h6 */
--MAIN-LINK-color: #1c90f3; /* Color of links */
--MAIN-LINK-HOVER-color: #4cabff; /* Color of hovered links */
--MAIN-ANCHOR-color: #1c90f3; /* color of anchors on titles */
--MAIN-ANCHOR-color: #4cabff; /* color of anchors on titles */
--MAIN-BG-color: #202020; /* color for code background */
/* adjusted to relearn-dark chroma style */

2
static/css/theme-relearn-light.css
View file

@ -10,7 +10,7 @@
--MAIN-TITLES-TEXT-color: #4a4a4a; /* Color of titles h2-h3-h4-h5-h6 */
--MAIN-LINK-color: #486ac9; /* Color of links */
--MAIN-LINK-HOVER-color: #134fbf; /* Color of hovered links */
--MAIN-ANCHOR-color: #486ac9; /* color of anchors on titles */
--MAIN-ANCHOR-color: #134fbf; /* color of anchors on titles */
--MAIN-BG-color: #ffffff; /* color of text by default */
/* adjusted to relearn-light chroma style */

12
static/css/theme.css
View file

@ -1133,7 +1133,7 @@ option {
display: none;
}
/* expander expand collapsed marked, must override logic of expand.html, controlled by relearn.js */
/* expander expand collapsed marked, must override logic of expand.html, controlled by theme.js */
.expand:not(.expand-expanded).expand-marked > .expand-label > .fa-chevron-down {
display: inline-block;
}
@ -1307,7 +1307,7 @@ option {
/* anchors */
.anchor {
color: #486ac9; /* var(--MAIN-ANCHOR-color) */
color: #134fbf; /* var(--MAIN-ANCHOR-color) */
cursor: pointer;
font-size: .5em;
margin-left: .66em;
@ -1441,10 +1441,14 @@ h6 a {
}
}
/* turn off animiation in IE because this causes the menu
to move in from the left on every page load */
@media all and (-ms-high-contrast:none) {
/* turn off animiation in IE because this causes the menu
to move in from the left on every page load */
.default-animation{
transition: none;
}
/* turn off variant selector as it uses modern stuff */
#select-variant-container{
display: none;
}
}

6
static/css/variant.css
View file

@ -1,9 +1,9 @@
:root {
--INTERNAL-MAIN-TEXT-color: var(--MAIN-TEXT-color, #101010);
--INTERNAL-MAIN-TITLES-TEXT-color: var(--MAIN-TITLES-TEXT-color, #444753);
--INTERNAL-MAIN-TITLES-TEXT-color: var(--MAIN-TITLES-TEXT-color, #4a4a4a);
--INTERNAL-MAIN-LINK-color: var(--MAIN-LINK-color, #486ac9);
--INTERNAL-MAIN-LINK-HOVER-color: var(--MAIN-LINK-HOVER-color, var(--INTERNAL-MAIN-LINK-color));
--INTERNAL-MAIN-ANCHOR-color: var(--MAIN-ANCHOR-color, var(--INTERNAL-MAIN-LINK-color));
--INTERNAL-MAIN-ANCHOR-color: var(--MAIN-ANCHOR-color, var(--INTERNAL-MAIN-LINK-HOVER-color));
--INTERNAL-MAIN-BG-color: var(--MAIN-BG-color, #ffffff);
--INTERNAL-MAIN-TITLES-H1-color: var(--MAIN-TITLES-H1-color, var(--INTERNAL-MAIN-TEXT-color));
@ -34,7 +34,7 @@
--INTERNAL-MENU-SEARCH-BOX-color: var(--MENU-SEARCH-BOX-color, var(--INTERNAL-MENU-SEARCH-BG-color));
--INTERNAL-MENU-SECTIONS-ACTIVE-BG-color: var(--MENU-SECTIONS-ACTIVE-BG-color, rgba( 0, 0, 0, .166 ));
--INTERNAL-MENU-SECTIONS-BG-color: var(--MENU-SECTIONS-BG-color, #282830);
--INTERNAL-MENU-SECTIONS-BG-color: var(--MENU-SECTIONS-BG-color, #282828);
--INTERNAL-MENU-SECTIONS-LINK-color: var(--MENU-SECTIONS-LINK-color, #bababa);
--INTERNAL-MENU-SECTIONS-LINK-HOVER-color: var(--MENU-SECTIONS-LINK-HOVER-color, var(--INTERNAL-MENU-SECTIONS-LINK-color));
--INTERNAL-MENU-SECTION-ACTIVE-CATEGORY-color: var(--MENU-SECTION-ACTIVE-CATEGORY-color, #444444);

0
static/js/relearn.js → static/js/theme.js
View file

381
static/js/variant.js Normal file
View file

@ -0,0 +1,381 @@
// we need to load this script in the html head to avoid flickering
// on page load if the user has selected a non default variant
var variants = {
variant: '',
variants: [],
customvariant: 'my-variant',
init: function( variants ){
this.variants = variants;
var variant = window.localStorage.getItem( 'variant' ) || ( this.variants.length ? this.variants[0] : '' );
this.changeVariant( variant );
document.addEventListener( 'readystatechange', function(){
if( document.readyState == 'interactive' ){
this.markSelectedVariant( this.getVariant() );
}
}.bind( this ) );
},
parseVariantnameFromFilename: function ( s ){
if( !s || !s.match ){
return '';
}
var matches = s.match(/^.*\/?theme-([^\/]*?)\.css.*$/);
var variant = matches && matches.length == 2 ? matches[ 1 ] : '';
return variant;
},
getVariant: function(){
return this.variant;
},
setVariant: function( variant ){
this.variant = variant;
window.localStorage.setItem( 'variant', variant );
},
markSelectedVariant: function( variant ){
var select = document.querySelector( '#select-variant' );
if( !select ){
return;
}
if( select.value != variant ){
select.value = variant;
}
},
changeVariant: function( variant ){
if( this.variants.indexOf( variant ) < 0 ){
variant = this.variants.length ? this.variants[ 0 ] : '';
}
this.setVariant( variant );
if( !variant ){
return;
}
var link = document.querySelector( '#variant-style' );
if( !link ){
return;
}
var old_path = link.getAttribute( 'href' );
var new_path = old_path.replace( /^(.*\/theme-).*?(\.css.*)$/, '$1' + variant + '$2' );
if( old_path != new_path ){
link.setAttribute( 'href', new_path );
this.markSelectedVariant( variant );
// remove selection, because if some uses an arrow navigation"
// by pressing the left or right cursor key, we will automatically
// select a different style
if( document.activeElement ){
document.activeElement.blur();
}
}
},
generator: function( vargenerator, vardownload ){
var graphDefinition = this.generateGraph();
var element = document.querySelector( vargenerator );
element.innerHTML = graphDefinition;
var interval_id = setInterval( function(){
if( document.querySelectorAll( vargenerator + '.mermaid > svg' ).length ){
clearInterval( interval_id );
this.styleGraph();
}
}.bind( this ), 100 );
var btn = document.querySelector( vardownload );
btn.addEventListener('click', this.getStylesheet.bind( this ) );
},
download: function(data, mimetype, filename){
var blob = new Blob([data], { type: mimetype });
var url = window.URL.createObjectURL(blob);
var a = document.createElement('a');
a.setAttribute('href', url);
a.setAttribute('download', filename);
a.click();
},
getStylesheet: function(){
this.download( this.generateStylesheet(), 'text/css', 'theme-' + this.customvariant + '.css' );
},
adjustCSSRules: function(selector, props, sheets){
// get stylesheet(s)
if (!sheets) sheets = [...document.styleSheets];
else if (sheets.sup){ // sheets is a string
let absoluteURL = new URL(sheets, document.baseURI).href;
sheets = [...document.styleSheets].filter(i => i.href == absoluteURL);
}
else sheets = [sheets]; // sheets is a stylesheet
// CSS (& HTML) reduce spaces in selector to one.
selector = selector.replace(/\s+/g, ' ');
const findRule = s => [...s.cssRules].reverse().find(i => i.selectorText == selector)
let rule = sheets.map(findRule).filter(i=>i).pop()
const propsArr = props.sup
? props.split(/\s*;\s*/).map(i => i.split(/\s*:\s*/)) // from string
: Object.entries(props); // from Object
if (rule) for (let [prop, val] of propsArr){
// rule.style[prop] = val; is against the spec, and does not support !important.
rule.style.setProperty(prop, ...val.split(/ *!(?=important)/));
}
else {
sheet = sheets.pop();
if (!props.sup) props = propsArr.reduce((str, [k, v]) => `${str}; ${k}: ${v}`, '');
sheet.insertRule(`${selector} { ${props} }`, sheet.cssRules.length);
}
},
normalizeColor: function( c ){
if( !c || !c.trim ){
return c;
}
c = c.trim();
c = c.replace( /\s*\(\s*/, "( " );
c = c.replace( /\s*\)\s*/, " )" );
c = c.replace( /\s*,\s*/, ", " );
c = c.replace( /0*\./, "." );
c = c.replace( / +/, " " );
return c;
},
getColorValue: function( c ){
return this.normalizeColor( getComputedStyle( document.documentElement ).getPropertyValue( '--INTERNAL-'+c ) );
},
changeColor: function( c ){
var style = null;
var variant = this.variant;
for( var n = 0; n < document.styleSheets.length; ++n ){
if( variant = this.parseVariantnameFromFilename( document.styleSheets[n].href ) ){
var s = document.styleSheets[n];
for( var m = 0; m < s.rules.length; ++m ){
if( s.rules[m].selectorText == ':root' ){
style = s.rules[m].style;
break;
}
}
break;
}
}
if( !style ){
alert( 'Theme stylesheet for variant "' + variant + '" not set or found' );
return;
}
var e = this.findColor( c );
var p = this.normalizeColor( style.getPropertyValue( '--'+c ) ).replace( '--INTERNAL-', '--' );
var f = this.getColorValue( e.fallback );
var v = this.getColorValue( e.name );
if( v == f || v == this.normalizeColor(e.default) ){
v = '';
}
if( p ){
v = p;
}
var t = c + '\n\n' + e.tooltip + '\n';
if( e.fallback ){
t += '\nInherits value "' + f + '" from ' + e.fallback + ' if not set\n';
}
if( e.default ){
t += '\nDefaults to value "' + this.normalizeColor(e.default) + '" if not set\n';
}
var n = prompt( t, v );
if( n ){
n = this.normalizeColor( n ).replace( '--INTERNAL-', '--' ).replace( '--', '--INTERNAL-' );
style.setProperty( '--'+c, n );
}
else if( n !== null){
style.removeProperty( '--'+c );
}
},
findColor: function( name ){
var f = this.variantvariables.find( function( x ){
return x.name == name;
});
return f;
},
generateColorVariable: function( e ){
var v = '';
var gen = true;
if( e.fallback ){
f = this.findColor( e.fallback );
gen = this.getColorValue(f.name) != this.getColorValue(e.name);
}
else if( e.default ){
gen = this.normalizeColor(e.default) != this.getColorValue(e.name);
}
if( gen ){
v += ' --' + e.name + ': ' + this.getColorValue(e.name) + '; /* ' + e.tooltip + ' */\n';
}
return v;
},
generateStylesheet: function(){
var style =
'/* ' + this.customvariant + ' */\n' +
':root {\n' +
this.variantvariables.sort( function( l, r ){ return l.name.localeCompare(r.name); } ).reduce( function( a, e ){ return a + this.generateColorVariable( e ); }.bind( this ), '' ) +
'}\n';
return style;
},
styleGraphGroup: function( selector, colorvar ){
this.adjustCSSRules( '#body svg '+selector+' > rect', 'color: var(--INTERNAL-'+colorvar+'); fill: var(--INTERNAL-'+colorvar+'); stroke: #80808080;' );
this.adjustCSSRules( '#body svg '+selector+' > .label .nodeLabel', 'color: var(--INTERNAL-'+colorvar+'); fill: var(--INTERNAL-'+colorvar+'); stroke: #80808080;' );
this.adjustCSSRules( '#body svg '+selector+' > .cluster-label .nodeLabel', 'color: var(--INTERNAL-'+colorvar+'); fill: var(--INTERNAL-'+colorvar+'); stroke: #80808080;' );
this.adjustCSSRules( '#body svg '+selector+' .nodeLabel', 'filter: grayscale(1) invert(1) contrast(10000);' );
},
styleGraph: function(){
this.variantvariables.forEach( function( e ){
this.styleGraphGroup( '.'+e.name, e.name );
}.bind( this ) );
this.styleGraphGroup( '#maincontent', 'MAIN-BG-color' )
this.styleGraphGroup( '#mainheadings', 'MAIN-BG-color' )
this.styleGraphGroup( '#inlinecode', 'CODE-INLINE-BG-color' )
this.styleGraphGroup( '#blockcode', 'CODE-BLOCK-BG-color' )
this.styleGraphGroup( '#coloredboxes', 'BOX-BG-color' );
this.styleGraphGroup( '#menu', 'MENU-SECTIONS-BG-color' )
this.styleGraphGroup( '#menuheader', 'MENU-HEADER-BG-color' )
this.styleGraphGroup( '#menusections', 'MENU-SECTIONS-ACTIVE-BG-color' )
},
generateGraphEdge: function( e ){
var edge = '';
if( e.fallback ){
edge += e.fallback+':::'+e.fallback+' --> '+e.name+':::'+e.name;
}
else{
edge += e.name+':::'+e.name;
}
return edge;
},
generateGraph: function(){
var g_groups = {};
var g_handler = '';
this.variantvariables.forEach( function( e ){
var group = e.group || ' ';
g_groups[ group ] = ( g_groups[ group ] || [] ).concat( e );
g_handler += ' click '+e.name+' variants.changeColor\n';
});
var graph =
'flowchart LR\n' +
' subgraph menu["menu"]\n' +
' direction TB\n' +
' subgraph menuheader["header"]\n' +
' direction LR\n' +
g_groups[ 'header' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' end\n' +
' subgraph menusections["sections"]\n' +
' direction LR\n' +
g_groups[ 'sections' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' end\n' +
' end\n' +
' subgraph maincontent["content"]\n' +
' direction TB\n' +
g_groups[ 'content' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' subgraph mainheadings["headings"]\n' +
' direction LR\n' +
g_groups[ 'headings' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' end\n' +
' subgraph inlinecode["inline code"]\n' +
' direction LR\n' +
g_groups[ 'inline code' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' end\n' +
' subgraph blockcode["code blocks"]\n' +
' direction LR\n' +
g_groups[ 'code blocks' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' end\n' +
' subgraph coloredboxes["colored boxes"]\n' +
' direction LR\n' +
g_groups[ 'colored boxes' ].reduce( function( a, e ){ return a + ' ' + this.generateGraphEdge( e ) + '\n'; }.bind( this ), '' ) +
' end\n' +
' end\n' +
g_handler;
console.log( graph );
return graph;
},
variantvariables: [
{ name: 'MAIN-TEXT-color', group: 'content', default: '#101010', tooltip: 'text color of content and h1 titles', },
{ name: 'MAIN-LINK-color', group: 'content', default: '#486ac9', tooltip: 'link color of content', },
{ name: 'MAIN-LINK-HOVER-color', group: 'content', fallback: 'MAIN-LINK-color', tooltip: 'hoverd link color of content', },
{ name: 'MAIN-ANCHOR-color', group: 'content', fallback: 'MAIN-LINK-HOVER-color', tooltip: 'anchor color of titles', },
{ name: 'MAIN-BG-color', group: 'content', default: '#ffffff', tooltip: 'background color of content', },
{ name: 'TAG-BG-color', group: 'content', fallback: 'MENU-HEADER-BG-color', tooltip: 'tag color', },
{ name: 'MAIN-TITLES-TEXT-color', group: 'headings', default: '#444753', tooltip: 'text color of h2-h6 titles and transparent box titles', },
{ name: 'MAIN-TITLES-H1-color', group: 'headings', fallback: 'MAIN-TEXT-color', tooltip: 'text color of h1 titles', },
{ name: 'MAIN-TITLES-H2-color', group: 'headings', fallback: 'MAIN-TITLES-TEXT-color', tooltip: 'text color of h2-h6 titles', },
{ name: 'MAIN-TITLES-H3-color', group: 'headings', fallback: 'MAIN-TITLES-H2-color', tooltip: 'text color of h3-h6 titles', },
{ name: 'MAIN-TITLES-H4-color', group: 'headings', fallback: 'MAIN-TITLES-H3-color', tooltip: 'text color of h4-h6 titles', },
{ name: 'MAIN-TITLES-H5-color', group: 'headings', fallback: 'MAIN-TITLES-H4-color', tooltip: 'text color of h5-h6 titles', },
{ name: 'MAIN-TITLES-H6-color', group: 'headings', fallback: 'MAIN-TITLES-H5-color', tooltip: 'text color of h6 titles', },
{ name: 'CODE-BLOCK-color', group: 'code blocks', default: '#000000', tooltip: 'fallback text color of block code; should be adjusted to your selected chroma style', },
{ name: 'CODE-BLOCK-BG-color', group: 'code blocks', default: '#f8f8f8', tooltip: 'fallback background color of block code; should be adjusted to your selected chroma style', },
{ name: 'CODE-BLOCK-BORDER-color', group: 'code blocks', fallback: 'CODE-BLOCK-BG-color', tooltip: 'border color of block code', },
{ name: 'CODE-INLINE-color', group: 'inline code', default: '#5e5e5e', tooltip: 'text color of inline code', },
{ name: 'CODE-INLINE-BG-color', group: 'inline code', default: '#fffae9', tooltip: 'background color of inline code', },
{ name: 'CODE-INLINE-BORDER-color', group: 'inline code', fallback: 'CODE-INLINE-BG-color', tooltip: 'border color of inline code', },
{ name: 'MENU-HEADER-BG-color', group: 'header', default: '#7dc903', tooltip: 'background color of menu header', },
{ name: 'MENU-HEADER-BORDER-color', group: 'header', fallback: 'MENU-HEADER-BG-color', tooltip: 'separator color of menu header', },
{ name: 'MENU-HOME-LINK-color', group: 'header', default: '#323232', tooltip: 'home button color if configured', },
{ name: 'MENU-HOME-LINK-HOVER-color', group: 'header', default: '#808080', tooltip: 'hoverd home button color if configured', },
{ name: 'MENU-SEARCH-color', group: 'header', default: '#e0e0e0', tooltip: 'text and icon color of search box', },
{ name: 'MENU-SEARCH-BG-color', group: 'header', default: '#323232', tooltip: 'background color of search box', },
{ name: 'MENU-SEARCH-BOX-color', group: 'header', fallback: 'MENU-SEARCH-BG-color', tooltip: 'border color of search box', },
{ name: 'MENU-SECTIONS-BG-color', group: 'sections', default: '#282828', tooltip: 'background of the menu; this is NOT just a color value but can be a complete CSS background definition including gradients, etc.', },
{ name: 'MENU-SECTIONS-ACTIVE-BG-color', group: 'sections', default: 'rgba( 0, 0, 0, .166 )', tooltip: 'background color of the active menu section', },
{ name: 'MENU-SECTION-ACTIVE-CATEGORY-color', group: 'sections', default: '#444444', tooltip: 'text color of the displayed menu topic', },
{ name: 'MENU-SECTION-ACTIVE-CATEGORY-BG-color', group: 'sections', fallback: 'MAIN-BG-color', tooltip: 'background color of the displayed menu topic', },
{ name: 'MENU-SECTIONS-LINK-color', group: 'sections', default: '#bababa', tooltip: 'link color of menu topics', },
{ name: 'MENU-SECTIONS-LINK-HOVER-color', group: 'sections', fallback: 'MENU-SECTIONS-LINK-color', tooltip: 'hoverd link color of menu topics', },
{ name: 'MENU-VISITED-color', group: 'sections', default: '#506397', tooltip: 'icon color of visited menu topics if configured', },
{ name: 'MENU-SECTION-HR-color', group: 'sections', default: '#606060', tooltip: 'separator color of menu footer', },
{ name: 'BOX-CAPTION-color', group: 'colored boxes', default: 'rgba( 255, 255, 255, 1 )', tooltip: 'text color of colored box titles', },
{ name: 'BOX-BG-color', group: 'colored boxes', default: 'rgba( 255, 255, 255, .833 )', tooltip: 'background color of colored boxes', },
{ name: 'BOX-TEXT-color', group: 'colored boxes', default: 'rgba( 16, 16, 16, 1 )', tooltip: 'text color of colored box content', },
{ name: 'BOX-BLUE-color', group: 'colored boxes', default: 'rgba( 48, 117, 229, 1 )', tooltip: 'background color of blue boxes', },
{ name: 'BOX-INFO-color', group: 'colored boxes', fallback: 'BOX-BLUE-color', tooltip: 'background color of info boxes', },
{ name: 'BOX-BLUE-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color', tooltip: 'text color of blue boxes', },
{ name: 'BOX-INFO-TEXT-color', group: 'colored boxes', fallback: 'BOX-BLUE-TEXT-color', tooltip: 'text color of info boxes', },
{ name: 'BOX-GREEN-color', group: 'colored boxes', default: 'rgba( 42, 178, 24, 1 )', tooltip: 'background color of green boxes', },
{ name: 'BOX-TIP-color', group: 'colored boxes', fallback: 'BOX-GREEN-color', tooltip: 'background color of tip boxes', },
{ name: 'BOX-GREEN-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color', tooltip: 'text color of green boxes', },
{ name: 'BOX-TIP-TEXT-color', group: 'colored boxes', fallback: 'BOX-GREEN-TEXT-color', tooltip: 'text color of tip boxes', },
{ name: 'BOX-GREY-color', group: 'colored boxes', default: 'rgba( 128, 128, 128, 1 )', tooltip: 'background color of grey boxes', },
{ name: 'BOX-NEUTRAL-color', group: 'colored boxes', fallback: 'BOX-GREY-color', tooltip: 'background color of neutral boxes', },
{ name: 'BOX-GREY-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color', tooltip: 'text color of grey boxes', },
{ name: 'BOX-NEUTRAL-TEXT-color', group: 'colored boxes', fallback: 'BOX-GREY-TEXT-color', tooltip: 'text color of neutral boxes', },
{ name: 'BOX-ORANGE-color', group: 'colored boxes', default: 'rgba( 237, 153, 9, 1 )', tooltip: 'background color of orange boxes', },
{ name: 'BOX-NOTE-color', group: 'colored boxes', fallback: 'BOX-ORANGE-color', tooltip: 'background color of note boxes', },
{ name: 'BOX-ORANGE-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color', tooltip: 'text color of orange boxes', },
{ name: 'BOX-NOTE-TEXT-color', group: 'colored boxes', fallback: 'BOX-ORANGE-TEXT-color', tooltip: 'text color of note boxes', },
{ name: 'BOX-RED-color', group: 'colored boxes', default: 'rgba( 224, 62, 62, 1 )', tooltip: 'background color of red boxes', },
{ name: 'BOX-WARNING-color', group: 'colored boxes', fallback: 'BOX-RED-color', tooltip: 'background color of warning boxes', },
{ name: 'BOX-RED-TEXT-color', group: 'colored boxes', fallback: 'BOX-TEXT-color', tooltip: 'text color of red boxes', },
{ name: 'BOX-WARNING-TEXT-color', group: 'colored boxes', fallback: 'BOX-RED-TEXT-color', tooltip: 'text color of warning boxes', },
],
};