mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RevisionSlider
synced 2024-12-18 01:40:34 +00:00
f056cca73a
When we load new revsions in the background and extend the view, we still want to keep track of the positioning. This is done with the `data-pos` attribute. When shifting the numbers due to re-loading the `data-pos` of each revision is updated to a new value. $.data() does not nessecarily load the value from the `data-` attribute, but seems to have a different representation in parallel In some situations the results of data() vs attr( 'data-' ) seem to differ, leading to situations where the pointer moves to the wrong postion when clicking. Trusting the attribute call seems to be the most stable approach here. Change-Id: I3c877b5a5f21ca36b8857d29ec018b16ff588962
704 lines
19 KiB
JavaScript
704 lines
19 KiB
JavaScript
/**
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* @class RevisionListView
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* @param {RevisionList} revisionList
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* @param {string} [dir]
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* @constructor
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*/
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function RevisionListView( revisionList, dir ) {
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this.revisionList = revisionList;
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this.dir = dir;
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}
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$.extend( RevisionListView.prototype, {
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/**
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* @type {RevisionList}
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*/
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revisionList: null,
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/**
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* @type {number}
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*/
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revisionWidth: 16,
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/**
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* @type {number}
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*/
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minRevisionHeight: 5,
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/**
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* @type {number}
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*/
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maxRevisionHeight: 66,
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/**
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* @type {number}
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*/
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tooltipTimeout: -1,
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/**
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* @type {boolean}
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*/
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allowRevisionPreviewHighlights: true,
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/**
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* @type {string}
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*/
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dir: null,
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/**
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* @type {string}
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*/
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selectedUser: '',
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/**
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* @type {string}
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*/
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selectedTag: '',
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/**
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* @type {jQuery}
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*/
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html: null,
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/**
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* @param {number} revisionTickWidth
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* @param {number} [positionOffset=0]
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* @return {jQuery}
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*/
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render: function ( revisionTickWidth, positionOffset ) {
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const revs = this.revisionList.getRevisions();
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const maxChangeSize = this.revisionList.getBiggestChangeSize();
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const self = this;
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positionOffset = positionOffset || 0;
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this.revisionWidth = revisionTickWidth;
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this.$html = $( '<div>' ).addClass( 'mw-revslider-revisions' );
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for ( let i = 0; i < revs.length; i++ ) {
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const diffSize = revs[ i ].getRelativeSize();
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const relativeChangeSize = this.calcRelativeChangeSize( diffSize, maxChangeSize );
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this.$html
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.append( $( '<div>' )
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.addClass( 'mw-revslider-revision-wrapper' )
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.width( this.revisionWidth )
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.append( $( '<div>' )
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.addClass( 'mw-revslider-revision' )
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.attr( 'data-revid', revs[ i ].getId() )
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.attr( 'data-pos', positionOffset + i + 1 )
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.attr( 'data-user', revs[ i ].getUser() )
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.css( {
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height: relativeChangeSize + 'px',
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width: this.revisionWidth + 'px',
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top: diffSize > 0 ? '-' + relativeChangeSize + 'px' : 0
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} )
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.addClass( diffSize > 0 ? 'mw-revslider-revision-up' : 'mw-revslider-revision-down' )
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.append( $( '<div>' ).addClass( 'mw-revslider-revision-border-box' ) )
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)
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.append( $( '<div>' )
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.addClass( 'mw-revslider-revision-wrapper-up' )
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.width( this.revisionWidth )
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.append(
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$( '<div>' )
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.addClass( 'mw-revslider-pointer mw-revslider-pointer-ghost' )
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)
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)
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.append( $( '<div>' )
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.addClass( 'mw-revslider-revision-wrapper-down' )
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.width( this.revisionWidth )
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.append(
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$( '<div>' )
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.addClass( 'mw-revslider-pointer mw-revslider-pointer-ghost' )
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)
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)
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.on( 'mouseenter', function ( event ) {
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self.onRevisionHover( $( this ), event );
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} )
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.on( 'mouseleave', function () {
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self.removeAllRevisionPreviewHighlights();
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self.removeCurrentRevisionFocusWithDelay();
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} )
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);
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}
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this.closeTooltipsOnClick();
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return this.$html;
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},
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/**
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* @param {boolean} [enabled=true]
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*/
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enableRevisionPreviewHighlights: function ( enabled ) {
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this.allowRevisionPreviewHighlights = enabled !== false;
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if ( !this.allowRevisionPreviewHighlights ) {
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this.removeAllRevisionPreviewHighlights();
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}
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},
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/**
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* @param {jQuery} $revisionWrapper
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* @param {MouseEvent} event
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*/
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onRevisionHover: function ( $revisionWrapper, event ) {
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if ( !this.allowRevisionPreviewHighlights ||
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$( event.target ).closest( '.mw-revslider-revision-tooltip' ).length
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) {
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return;
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}
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this.setRevisionFocus( $revisionWrapper );
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const hasMovedTop = event.pageY - $revisionWrapper.offset().top < $revisionWrapper.height() / 2,
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isOlderTop = $revisionWrapper.hasClass( 'mw-revslider-revision-older' ) && hasMovedTop,
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isNewerBottom = $revisionWrapper.hasClass( 'mw-revslider-revision-newer' ) && !hasMovedTop;
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let $neighborRevisionWrapper = $revisionWrapper;
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if ( isOlderTop ) {
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$neighborRevisionWrapper = $revisionWrapper.prev();
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} else if ( isNewerBottom ) {
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$neighborRevisionWrapper = $revisionWrapper.next();
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}
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if ( $neighborRevisionWrapper.length === 0 ) {
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return;
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}
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if ( hasMovedTop ) {
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this.setRevisionPreviewHighlight( $revisionWrapper.find( '.mw-revslider-revision-wrapper-up' ) );
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if ( isOlderTop ) {
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this.setRevisionPreviewHighlight( $neighborRevisionWrapper.find( '.mw-revslider-revision-wrapper-down' ) );
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}
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} else {
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this.setRevisionPreviewHighlight( $revisionWrapper.find( '.mw-revslider-revision-wrapper-down' ) );
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if ( isNewerBottom ) {
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this.setRevisionPreviewHighlight( $neighborRevisionWrapper.find( '.mw-revslider-revision-wrapper-up' ) );
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}
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}
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},
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/**
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* @private
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* @param {jQuery} $revisionWrapper
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*/
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setRevisionPreviewHighlight: function ( $revisionWrapper ) {
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$revisionWrapper.addClass( 'mw-revslider-revision-hovered' );
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},
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removeAllRevisionPreviewHighlights: function () {
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$( '.mw-revslider-revision-wrapper-up, .mw-revslider-revision-wrapper-down' )
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.removeClass( 'mw-revslider-revision-hovered' );
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},
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/**
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* @param {jQuery} $renderedList
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*/
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adjustRevisionSizes: function ( $renderedList ) {
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const revs = this.revisionList.getRevisions();
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const maxChangeSize = this.revisionList.getBiggestChangeSize();
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for ( let i = 0; i < revs.length; i++ ) {
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const diffSize = revs[ i ].getRelativeSize();
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const relativeChangeSize = this.calcRelativeChangeSize( diffSize, maxChangeSize );
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$renderedList.find( '.mw-revslider-revision[data-pos="' + ( i + 1 ) + '"]' ).css( {
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height: relativeChangeSize + 'px',
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top: diffSize > 0 ? '-' + relativeChangeSize + 'px' : 0
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} );
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}
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},
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/**
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* @private
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* @param {number} diffSize
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* @param {number} maxChangeSize
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* @return {number}
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*/
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calcRelativeChangeSize: function ( diffSize, maxChangeSize ) {
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if ( !diffSize ) {
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return 0;
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}
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return Math.ceil(
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( this.maxRevisionHeight - this.minRevisionHeight ) *
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Math.log( Math.abs( diffSize ) ) / Math.log( maxChangeSize ) ) +
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this.minRevisionHeight;
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},
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/**
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* Clears the current revision focus and removes highlights and tooltip
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*/
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removeCurrentRevisionFocus: function () {
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this.clearRevisionFocusDelay();
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this.removeCurrentRevisionFocusHighlight();
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$( '.mw-revslider-revision-tooltip' ).remove();
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},
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/**
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* Removes the current revision focus after 750ms
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*
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* @private
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*/
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removeCurrentRevisionFocusWithDelay: function () {
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this.tooltipTimeout = window.setTimeout( this.removeCurrentRevisionFocus.bind( this ), 750 );
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},
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/**
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* @private
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*/
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clearRevisionFocusDelay: function () {
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window.clearTimeout( this.tooltipTimeout );
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},
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removeCurrentRevisionFocusHighlight: function () {
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$( '.mw-revslider-revision-wrapper-hovered' )
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.removeClass( 'mw-revslider-revision-wrapper-hovered' );
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},
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/**
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* Sets the revision focus adding highlights and tooltip
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*
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* @param {jQuery} $revisionWrapper
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*/
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setRevisionFocus: function ( $revisionWrapper ) {
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if ( $revisionWrapper.hasClass( 'mw-revslider-revision-wrapper-hovered' ) ) {
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this.clearRevisionFocusDelay();
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return;
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}
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this.removeCurrentRevisionFocus();
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this.showTooltip( $revisionWrapper );
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$revisionWrapper.addClass( 'mw-revslider-revision-wrapper-hovered' );
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},
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/**
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* Hides the current tooltip when the focus moves away and not to a pointer or tooltip
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*
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* @param {jQuery.Event} event
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*/
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onFocusBlur: function ( event ) {
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const $outElement = $( event.relatedTarget );
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if ( $outElement.hasClass( '.mw-revslider-pointer' ) || $outElement.closest( '.mw-revslider-revision-tooltip' ).length ) {
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return;
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}
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this.removeCurrentRevisionFocus();
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},
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/**
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* Hides the previous tooltip and shows the new one. Also styles a revision as hovered.
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*
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* @param {jQuery} $revisionWrapper
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*/
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showTooltip: function ( $revisionWrapper ) {
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const $revision = $revisionWrapper.find( '.mw-revslider-revision' );
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const revId = +$revision.attr( 'data-revid' );
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const pos = +$revision.attr( 'data-pos' );
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const revision = this.revisionList.getRevisions().find( ( rev ) => rev.getId() === revId );
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const tooltip = this.makeTooltip( revision, $revisionWrapper );
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// eslint-disable-next-line mediawiki/class-doc
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tooltip.$element
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.addClass( 'mw-revslider-revision-tooltip-' + pos )
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.on( 'focusout', this.onFocusBlur.bind( this ) )
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// Set event handlers so that tooltips do not disappear immediately when hover is gone
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.on( 'mouseleave', this.removeCurrentRevisionFocusWithDelay.bind( this ) )
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.on( 'mouseenter', this.clearRevisionFocusDelay.bind( this ) );
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const $focusedRevisionPointer = $( '.mw-revslider-pointer[data-pos="' + pos + '"]' );
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if ( $focusedRevisionPointer.length ) {
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// Make sure tooltips are added next to the pointer so they can be reached when tabbing
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$focusedRevisionPointer.parent().append( tooltip.$element );
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} else {
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$( document.body ).append( tooltip.$element );
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}
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tooltip.toggle( true );
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},
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/**
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* Sets an event handler to close tooltips when clicking somewhere outside
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*
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* @private
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*/
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closeTooltipsOnClick: function () {
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const self = this;
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$( document )
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.on( 'click', function ( event ) {
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const $inside = $( event.target )
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.closest( '.mw-revslider-revision-tooltip, .mw-revslider-revisions-container' );
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if ( !$inside.length ) {
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self.removeCurrentRevisionFocus();
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}
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} );
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},
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/**
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* Generates the HTML for a tooltip that appears on hover above each revision on the slider
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*
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* @private
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* @param {Revision} revision
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* @param {jQuery} $revisionWrapper
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* @return {OO.ui.PopupWidget}
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*/
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makeTooltip: function ( revision, $revisionWrapper ) {
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const $tooltip = $( '<div>' )
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.append(
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$( '<p>' ).append(
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$( '<strong>' ).text( mw.msg( 'revisionslider-label-date' ) + mw.msg( 'colon-separator' ) ),
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$( '<a>' ).attr( 'href', mw.util.getUrl( null, { oldid: revision.id } ) )
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.text( revision.getFormattedDate() )
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),
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this.makeUserLine( revision.getUser(), revision.getUserGender() ),
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this.makeCommentLine( revision ),
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this.makePageSizeLine( revision.getSize() ),
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this.makeChangeSizeLine( revision.getRelativeSize() ),
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revision.isMinor() ? $( '<p>' ).text( mw.msg( 'revisionslider-minoredit' ) ) : '',
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this.makeTagsLine( revision )
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);
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return new OO.ui.PopupWidget( {
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$content: $tooltip,
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$floatableContainer: $revisionWrapper,
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padded: true,
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classes: [ 'mw-revslider-tooltip', 'mw-revslider-revision-tooltip' ]
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} );
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},
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/**
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* Generates a link to user page or to contributions page for IP addresses
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*
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* @private
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* @param {string} user
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* @return {string}
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*/
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getUserPage: function ( user ) {
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return ( mw.util.isIPAddress( user ) ? 'Special:Contributions/' : 'User:' ) + this.stripInvalidCharacters( user );
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},
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/**
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* Generates the HTML for the user label
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*
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* @private
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* @param {string} userString
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* @param {string} [userGender='unknown']
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* @return {string|jQuery}
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*/
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makeUserLine: function ( userString, userGender ) {
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const self = this;
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if ( !userString ) {
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return '';
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}
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if ( !userGender ) {
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userGender = 'unknown';
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}
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const $userBubble = $( '<div>' ).addClass( 'mw-revslider-bubble' )
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.on( 'click mouseenter mouseleave', function ( event ) {
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self.setUserFilterEvents( $( this ), userString, event );
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} );
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const $userLine = $( '<p>' ).addClass( 'mw-revslider-filter-highlightable-row mw-revslider-username-row' ).append(
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$( '<strong>' ).text( mw.msg( 'revisionslider-label-username', userGender ) + mw.msg( 'colon-separator' ) ),
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$( '<bdi>' ).append(
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$( '<a>' ).addClass( 'mw-userlink' ).attr( 'href', mw.util.getUrl( this.getUserPage( userString ) ) ).text( this.stripInvalidCharacters( userString ) )
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),
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$userBubble
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);
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if ( self.selectedUser === userString ) {
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self.selectedTag = '';
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$userLine.addClass( 'mw-revslider-filter-highlight' );
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$userBubble.addClass( 'mw-revslider-filter-highlight-bubble' );
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}
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return $userLine;
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},
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/**
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* Set user filter events for revisions
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*
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* @private
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* @param {jQuery} $userBubble
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* @param {string} userName
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* @param {MouseEvent} event
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*/
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setUserFilterEvents: function ( $userBubble, userName, event ) {
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const $userLine = $userBubble.parent();
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if ( this.selectedUser === userName && event.type !== 'click' ) {
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return;
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}
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this.removeRevisionFilterHighlighting();
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let oldUser;
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switch ( event.type ) {
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case 'mouseenter':
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$userLine.addClass( 'mw-revslider-filter-highlight' );
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$userBubble.addClass( 'mw-revslider-filter-highlight-bubble' );
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this.filterHighlightSameUserRevisions( userName );
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break;
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case 'mouseleave':
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this.reApplySavedFilterHighlighting( $userLine, $userBubble );
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break;
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case 'click':
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oldUser = this.selectedUser;
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this.resetRevisionFilterHighlighting();
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$userLine.addClass( 'mw-revslider-filter-highlight' );
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$userBubble.addClass( 'mw-revslider-filter-highlight-bubble' );
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if ( oldUser !== userName ) {
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this.filterHighlightSameUserRevisions( userName );
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this.selectedUser = userName;
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}
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break;
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}
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},
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/**
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* Highlights revisions of the sameUser
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*
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* @private
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* @param {string} userString
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*/
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filterHighlightSameUserRevisions: function ( userString ) {
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$( '[data-user="' + userString + '"]' ).parent()
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.toggleClass( 'mw-revslider-revision-filter-highlight' );
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},
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/**
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* @private
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* @param {string} s
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* @return {string}
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*/
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stripInvalidCharacters: function ( s ) {
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return s.replace( /[<>&]/g, '' );
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},
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/**
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* Generates the HTML for the comment label
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*
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* @private
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* @param {Revision} rev
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* @return {string|jQuery}
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*/
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makeCommentLine: function ( rev ) {
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const html = rev.getParsedComment();
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if ( !html.trim().length ) {
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return '';
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}
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return $( '<p>' ).append(
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$( '<strong>' ).text( mw.msg( 'revisionslider-label-comment' ) + mw.msg( 'colon-separator' ) ),
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$( '<em>' ).append(
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$( '<bdi>' ).append( html )
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)
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);
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},
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/**
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* Generates the HTML for the tags label
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*
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* @private
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* @param {Revision} rev
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* @return {string|jQuery}
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*/
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makeTagsLine: function ( rev ) {
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const self = this;
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const tags = rev.getTags();
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if ( !tags.length ) {
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return '';
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}
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const $tagLines = $( '<div>' );
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for ( let i = 0; i < tags.length; i++ ) {
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const $tagBubble = $( '<div>' ).addClass( 'mw-revslider-bubble' )
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.on( 'click mouseenter mouseleave', function ( event ) {
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self.setTagFilterEvents( $( this ), event );
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} );
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const $tagLine = $( '<div>' ).addClass( 'mw-revslider-filter-highlightable-row mw-revslider-tag-row' ).append(
|
|
tags[ i ],
|
|
$tagBubble,
|
|
'<br>'
|
|
);
|
|
|
|
if ( self.selectedTag === tags[ i ] ) {
|
|
self.selectedUser = '';
|
|
$tagLine.addClass( 'mw-revslider-filter-highlight' );
|
|
$tagLine.find( $tagBubble ).addClass( 'mw-revslider-filter-highlight-bubble' );
|
|
}
|
|
|
|
$tagLine.attr( 'data-tag-name', tags[ i ] );
|
|
$tagLines.append( $tagLine );
|
|
}
|
|
|
|
return $tagLines;
|
|
},
|
|
|
|
/**
|
|
* Set tag filter events for revisions
|
|
*
|
|
* @private
|
|
* @param {jQuery} $tagBubble
|
|
* @param {MouseEvent} event
|
|
*/
|
|
setTagFilterEvents: function ( $tagBubble, event ) {
|
|
const $tagLine = $tagBubble.parent(),
|
|
tagName = $tagLine.attr( 'data-tag-name' );
|
|
|
|
if ( this.selectedTag === tagName && event.type !== 'click' ) {
|
|
return;
|
|
}
|
|
|
|
this.removeRevisionFilterHighlighting();
|
|
|
|
let oldTag;
|
|
switch ( event.type ) {
|
|
case 'mouseenter':
|
|
$tagLine.addClass( 'mw-revslider-filter-highlight' );
|
|
$tagBubble.addClass( 'mw-revslider-filter-highlight-bubble' );
|
|
this.filterHighlightSameTagRevisions( tagName );
|
|
break;
|
|
case 'mouseleave':
|
|
this.reApplySavedFilterHighlighting( $tagLine, $tagBubble );
|
|
break;
|
|
case 'click':
|
|
oldTag = this.selectedTag;
|
|
this.resetRevisionFilterHighlighting();
|
|
|
|
$tagLine.addClass( 'mw-revslider-filter-highlight' );
|
|
$tagBubble.addClass( 'mw-revslider-filter-highlight-bubble' );
|
|
|
|
if ( oldTag !== tagName ) {
|
|
this.filterHighlightSameTagRevisions( tagName );
|
|
this.selectedTag = tagName;
|
|
}
|
|
break;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Highlight same tag revisions
|
|
*
|
|
* @private
|
|
* @param {string} tagName
|
|
*/
|
|
filterHighlightSameTagRevisions: function ( tagName ) {
|
|
const revs = this.revisionList.getRevisions();
|
|
|
|
for ( let i = 0; i < revs.length; i++ ) {
|
|
if ( revs[ i ].getTags().indexOf( tagName ) !== -1 ) {
|
|
$( '[data-revid="' + revs[ i ].id + '"]' ).parent()
|
|
.addClass( 'mw-revslider-revision-filter-highlight' );
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Re-apply filter highlighting from saved state
|
|
*
|
|
* @private
|
|
* @param {jQuery} $line
|
|
* @param {jQuery} $bubble
|
|
*/
|
|
reApplySavedFilterHighlighting: function ( $line, $bubble ) {
|
|
$line.removeClass( 'mw-revslider-filter-highlight' );
|
|
$bubble.removeClass( 'mw-revslider-filter-highlight-bubble' );
|
|
if ( this.selectedTag ) {
|
|
this.filterHighlightSameTagRevisions( this.selectedTag );
|
|
}
|
|
if ( this.selectedUser ) {
|
|
this.filterHighlightSameUserRevisions( this.selectedUser );
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Removes the filter highlighting from the revisions
|
|
*
|
|
* @private
|
|
*/
|
|
removeRevisionFilterHighlighting: function () {
|
|
$( '.mw-revslider-revision-wrapper' ).removeClass( 'mw-revslider-revision-filter-highlight' );
|
|
},
|
|
|
|
/**
|
|
* Resets filter highlighting from setting state
|
|
*
|
|
* @private
|
|
*/
|
|
resetRevisionFilterHighlighting: function () {
|
|
$( '.mw-revslider-filter-highlightable-row' ).removeClass( 'mw-revslider-filter-highlight' );
|
|
$( '.mw-revslider-bubble' ).removeClass( 'mw-revslider-filter-highlight-bubble' );
|
|
this.selectedTag = '';
|
|
this.selectedUser = '';
|
|
},
|
|
|
|
/**
|
|
* Generates the HTML for the page size label
|
|
*
|
|
* @private
|
|
* @param {number} size
|
|
* @return {jQuery}
|
|
*/
|
|
makePageSizeLine: function ( size ) {
|
|
return $( '<p>' )
|
|
.text( mw.msg( 'revisionslider-page-size', mw.language.convertNumber( size ), size ) )
|
|
.prepend( $( '<strong>' ).text( mw.msg( 'revisionslider-label-page-size' ) + mw.msg( 'colon-separator' ) ) );
|
|
},
|
|
|
|
/**
|
|
* Generates the HTML for the change size label
|
|
*
|
|
* @private
|
|
* @param {number} relativeSize
|
|
* @return {jQuery}
|
|
*/
|
|
makeChangeSizeLine: function ( relativeSize ) {
|
|
let changeSizeClass = 'mw-revslider-change-none',
|
|
leadingSign = '';
|
|
|
|
if ( relativeSize > 0 ) {
|
|
changeSizeClass = 'mw-revslider-change-positive';
|
|
leadingSign = '+';
|
|
} else if ( relativeSize < 0 ) {
|
|
changeSizeClass = 'mw-revslider-change-negative';
|
|
}
|
|
|
|
// Classes are documented above
|
|
// eslint-disable-next-line mediawiki/class-doc
|
|
const $changeNumber = $( '<span>' )
|
|
.addClass( changeSizeClass )
|
|
.attr( {
|
|
dir: 'ltr' // Make sure that minus/plus is on the left
|
|
} )
|
|
.text( leadingSign + mw.language.convertNumber( relativeSize ) );
|
|
|
|
return $( '<p>' ).append(
|
|
$( '<strong>' ).text( mw.msg( 'revisionslider-label-change-size' ) + mw.msg( 'colon-separator' ) ),
|
|
mw.message( 'revisionslider-change-size', $changeNumber, relativeSize, Math.abs( relativeSize ) ).parse()
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Set direction for the view
|
|
*
|
|
* @param {string} dir
|
|
*/
|
|
setDir: function ( dir ) {
|
|
this.dir = dir;
|
|
},
|
|
|
|
/**
|
|
* @return {jQuery}
|
|
*/
|
|
getElement: function () {
|
|
return this.$html;
|
|
}
|
|
} );
|
|
|
|
module.exports = RevisionListView;
|