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'use strict';
let initialOffset, indentWidth, firstMarker;
const updaters = [];
// eslint-disable-next-line no-jquery/no-global-selector
const isRtl = $( 'html' ).attr( 'dir' ) === 'rtl';
function markTimestamp( parser, node, match ) {
const dfParsers = parser.getLocalTimestampParsers();
const newNode = node.splitText( match.matchData.index );
newNode.splitText( match.matchData[ 0 ].length );
const wrapper = document.createElement( 'span' );
wrapper.className = 'ext-discussiontools-debughighlighter-timestamp';
// We might need to actually port all the date formatting code from MediaWiki's PHP code
// if we want to support displaying dates in all the formats available in user preferences
// (which include formats in several non-Gregorian calendars).
const date = dfParsers[ match.parserIndex ]( match.matchData ).date;
wrapper.title = date.format() + ' / ' + date.fromNow();
wrapper.appendChild( newNode );
node.parentNode.insertBefore( wrapper, node.nextSibling );
}
function markSignature( sigNodes ) {
const
where = sigNodes[ 0 ],
wrapper = document.createElement( 'span' );
wrapper.className = 'ext-discussiontools-debughighlighter-signature';
where.parentNode.insertBefore( wrapper, where );
while ( sigNodes.length ) {
wrapper.appendChild( sigNodes.pop() );
}
}
function fixFakeFirstHeadingRect( rect, comment ) {
// If the page has comments before the first section heading, they are connected to a "fake"
// heading with an empty range. Visualize the page title as the heading for that section.
if ( rect.x === 0 && rect.y === 0 && comment.type === 'heading' ) {
const node = document.getElementsByClassName( 'firstHeading' )[ 0 ];
return node.getBoundingClientRect();
}
return rect;
}
function calculateSizes() {
// eslint-disable-next-line no-jquery/no-global-selector
const $content = $( '#mw-content-text' );
const $test = $( '<dd>' ).appendTo( $( '<dl>' ).appendTo( $content ) );
const rect = $content[ 0 ].getBoundingClientRect();
initialOffset = isRtl ? document.body.scrollWidth - rect.left - rect.width : rect.left;
indentWidth = parseFloat( $test.css( isRtl ? 'margin-right' : 'margin-left' ) ) +
parseFloat( $test.parent().css( isRtl ? 'margin-right' : 'margin-left' ) );
$test.parent().remove();
}
function markComment( comment ) {
const marker = document.createElement( 'div' );
marker.className = 'ext-discussiontools-debughighlighter-comment';
if ( !firstMarker ) {
firstMarker = marker;
}
let marker2 = null;
if ( comment.parent ) {
marker2 = document.createElement( 'div' );
marker2.className = 'ext-discussiontools-debughighlighter-comment-ruler';
}
let markerWarnings = null;
if ( comment.warnings && comment.warnings.length ) {
markerWarnings = document.createElement( 'div' );
markerWarnings.className = 'ext-discussiontools-debughighlighter-comment-warnings';
markerWarnings.innerText = comment.warnings.join( '\n' );
}
const update = function () {
const rect = fixFakeFirstHeadingRect(
comment.getRange().getBoundingClientRect(),
comment
);
const scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
const scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft;
marker.style.top = ( rect.top + scrollTop ) + 'px';
marker.style.height = ( rect.height ) + 'px';
marker.style.left = ( rect.left + scrollLeft ) + 'px';
marker.style.width = ( rect.width ) + 'px';
if ( marker2 ) {
let parentRect = comment.parent.getRange().getBoundingClientRect();
parentRect = fixFakeFirstHeadingRect( parentRect, comment.parent );
if ( comment.parent.level === 0 ) {
// Twiddle so that it looks nice
parentRect = Object.assign( {}, parentRect );
parentRect.height -= 10;
}
marker2.style.top = ( parentRect.top + parentRect.height + scrollTop ) + 'px';
marker2.style.height = ( rect.top - ( parentRect.top + parentRect.height ) + 10 ) + 'px';
if ( isRtl ) {
marker2.style.right = ( initialOffset - indentWidth / 2 + comment.parent.level * indentWidth ) + 'px';
marker2.style.width = ( ( comment.level - comment.parent.level ) * indentWidth - indentWidth / 2 ) - 2 + 'px';
} else {
marker2.style.left = ( initialOffset - indentWidth / 2 + comment.parent.level * indentWidth ) + 'px';
marker2.style.width = ( ( comment.level - comment.parent.level ) * indentWidth - indentWidth / 2 ) - 2 + 'px';
}
}
if ( markerWarnings ) {
markerWarnings.style.cssText = marker.style.cssText;
}
};
updaters.push( update );
update();
document.body.appendChild( marker );
if ( marker2 ) {
document.body.appendChild( marker2 );
}
if ( markerWarnings ) {
// Group warnings at the top as we use nth-child selectors
// to alternate color of markers.
document.body.insertBefore( markerWarnings, firstMarker );
}
comment.replies.forEach( markComment );
}
function markThreads( threads ) {
calculateSizes();
threads.forEach( markComment );
// Reverse order so that box-shadows look right
// eslint-disable-next-line no-jquery/no-global-selector
$( 'body' ).append( $( '.ext-discussiontools-debughighlighter-comment-ruler' ).get().reverse() );
}
function updateAll() {
updaters.forEach( ( update ) => {
calculateSizes();
update();
} );
}
window.addEventListener( 'resize', OO.ui.debounce( updateAll, 500 ) );
module.exports = {
markThreads: markThreads,
markTimestamp: markTimestamp,
markSignature: markSignature
};