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mermaid: only show zoom reset button if zoomed #691

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Sören Weber 2023-10-18 22:43:30 +02:00
parent 292e261617
commit 3787cfccc5
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GPG key ID: BEC6D55545451B6D
1 changed files with 24 additions and 19 deletions
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21
static/js/theme.js
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@ -316,18 +316,19 @@ function initMermaid( update, attrs ) {
// https://github.com/mermaid-js/mermaid/issues/1860#issuecomment-1345440607
var svgs = d3.selectAll( 'body:not(.print) .mermaid.zoom > #' + id );
svgs.each( function(){
var svg = d3.select( this );
svg.html( '<g>' + svg.html() + '</g>' );
var inner = svg.select( '*:scope > g' );
var zoom = d3.zoom().on( 'zoom', function( e ){
inner.attr( 'transform', e.transform );
});
svg.call( zoom );
var parent = this.parentElement;
// we need to copy the maxWidth, otherwise our reset button will not align in the upper right
parent.style.maxWidth = this.style.maxWidth || this.getAttribute( 'width' );
// if no unit is given for the width
parent.style.maxWidth = parent.style.maxWidth || 'calc( ' + this.getAttribute( 'width' ) + 'px + 1rem )';
var svg = d3.select( this );
svg.html( '<g>' + svg.html() + '</g>' );
var inner = svg.select( '*:scope > g' );
var zoom = d3.zoom().on( 'zoom', function( e ){
inner.attr( 'transform', e.transform );
if( parent.querySelector( '.svg-reset-button' ) ){
return;
}
parent.insertAdjacentHTML( 'beforeend', '<span class="svg-reset-button" title="' + window.T_Reset_view + '"><i class="fas fa-undo-alt"></i></span>' );
var button = parent.querySelector( '.svg-reset-button' );
button.addEventListener( 'click', function( event ){
@ -339,9 +340,13 @@ function initMermaid( update, attrs ) {
});
button.addEventListener( 'mouseleave', function() {
this.removeAttribute( 'aria-label' );
this.classList.remove( 'tooltipped', 'tooltipped-w', 'tooltipped-se', 'tooltipped-sw' );
if( this.classList.contains( 'tooltipped' ) ){
this.remove();
}
});
});
svg.call( zoom );
});
},
querySelector: '.mermaid.mermaid-render',
suppressErrors: true