mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/RevisionSlider
synced 2024-11-14 19:24:42 +00:00
327 lines
11 KiB
JavaScript
327 lines
11 KiB
JavaScript
( function ( mw, $ ) {
|
|
var SliderView = function ( slider ) {
|
|
this.slider = slider;
|
|
this.diffPage = new mw.libs.revisionSlider.DiffPage( this.slider.getRevisions() );
|
|
};
|
|
|
|
$.extend( SliderView.prototype, {
|
|
revisionWidth: 16,
|
|
|
|
containerMargin: 120,
|
|
|
|
/**
|
|
* @type {jQuery}
|
|
*/
|
|
$element: null,
|
|
|
|
/**
|
|
* @type {DiffPage}
|
|
*/
|
|
diffPage: null,
|
|
|
|
/**
|
|
* @type {Slider}
|
|
*/
|
|
slider: null,
|
|
|
|
/**
|
|
* @type {Pointer}
|
|
*/
|
|
pointerOne: null,
|
|
|
|
/**
|
|
* @type {Pointer}
|
|
*/
|
|
pointerTwo: null,
|
|
|
|
render: function ( $container ) {
|
|
var containerWidth = this.calculateSliderContainerWidth(),
|
|
$revisions = this.slider.getRevisions().getView().render( this.revisionWidth ),
|
|
$slider = $( '<div>' ).addClass( 'mw-revision-slider' ),
|
|
self = this;
|
|
|
|
this.pointerOne = new mw.libs.revisionSlider.Pointer( 'mw-revslider-pointer-one' );
|
|
this.pointerTwo = new mw.libs.revisionSlider.Pointer( 'mw-revslider-pointer-two' );
|
|
|
|
$slider.css( {
|
|
width: ( containerWidth + this.containerMargin ) + 'px'
|
|
} )
|
|
.append(
|
|
$( '<a> ' )
|
|
.addClass( 'mw-arrow mw-arrow-left' )
|
|
.attr( 'data-dir', '-1' )
|
|
.tipsy( {
|
|
title: function () {
|
|
if ( $( this ).hasClass( 'mw-arrow-disabled' ) ) {
|
|
return '';
|
|
}
|
|
return mw.message( 'revisionslider-arrow-tooltip-older' ).text();
|
|
}
|
|
} ),
|
|
$( '<div>' )
|
|
.addClass( 'mw-revisions-container' )
|
|
.css( {
|
|
width: containerWidth + 'px'
|
|
} )
|
|
.append( $revisions ),
|
|
$( '<a> ' )
|
|
.addClass( 'mw-arrow mw-arrow-right' )
|
|
.attr( 'data-dir', '1' )
|
|
.tipsy( {
|
|
gravity: function () {
|
|
return Math.abs( window.innerWidth - this.getBoundingClientRect().right ) > 90 ? 'n' : 'ne';
|
|
},
|
|
title: function () {
|
|
if ( $( this ).hasClass( 'mw-arrow-disabled' ) ) {
|
|
return '';
|
|
}
|
|
return mw.message( 'revisionslider-arrow-tooltip-newer' ).text();
|
|
}
|
|
} ),
|
|
$( '<div>' ).css( { clear: 'both' } ),
|
|
$( '<div>' )
|
|
.addClass( 'mw-pointer-container' )
|
|
.css( { width: containerWidth + this.revisionWidth - 1 + 'px' } )
|
|
.append( this.pointerOne.getView().render(), this.pointerTwo.getView().render() )
|
|
);
|
|
|
|
$slider.find( '.mw-arrow' ).click( function () {
|
|
var $arrow = $( this );
|
|
if ( $arrow.hasClass( 'mw-arrow-disabled' ) ) {
|
|
return;
|
|
}
|
|
mw.track( 'counter.MediaWiki.RevisionSlider.event.arrowClick' );
|
|
self.slide( $arrow.data( 'dir' ) );
|
|
} )
|
|
.mouseenter( function () {
|
|
var $arrow = $( this );
|
|
if ( $arrow.hasClass( 'mw-arrow-disabled' ) ) {
|
|
return;
|
|
}
|
|
$arrow.removeClass( 'mw-arrow-enabled' ).addClass( 'mw-arrow-hovered' );
|
|
} )
|
|
.mouseleave( function () {
|
|
var $arrow = $( this );
|
|
if ( $arrow.hasClass( 'mw-arrow-disabled' ) ) {
|
|
return;
|
|
}
|
|
$arrow.removeClass( 'mw-arrow-hovered' ).addClass( 'mw-arrow-enabled' );
|
|
} )
|
|
.mousedown( function ( event ) {
|
|
var $arrow = $( this );
|
|
if ( $arrow.hasClass( 'mw-arrow-disabled' ) || event.which !== 1 ) {
|
|
return;
|
|
}
|
|
$arrow.addClass( 'mw-arrow-active' );
|
|
} )
|
|
.mouseup( function ( event ) {
|
|
var $arrow = $( this );
|
|
if ( $arrow.hasClass( 'mw-arrow-disabled' ) || event.which !== 1 ) {
|
|
return;
|
|
}
|
|
$arrow.removeClass( 'mw-arrow-active' );
|
|
} );
|
|
|
|
$slider.find( '.mw-pointer' ).draggable( {
|
|
axis: 'x',
|
|
grid: [ this.revisionWidth, null ],
|
|
containment: '.mw-pointer-container',
|
|
stop: function () {
|
|
var $p = $( this ),
|
|
pointer = self.whichPointer( $p ),
|
|
pos = parseInt( $p.css( 'left' ), 10 ),
|
|
relativeIndex = Math.ceil( ( pos + self.revisionWidth / 2 ) / self.revisionWidth ),
|
|
revId1, revId2;
|
|
mw.track( 'counter.MediaWiki.RevisionSlider.event.pointerMove' );
|
|
pointer.setPosition( self.slider.getFirstVisibleRevisionIndex() + relativeIndex );
|
|
self.resetPointerStylesBasedOnPosition();
|
|
self.resetRevisionStylesBasedOnPointerPosition( $revisions );
|
|
|
|
revId1 = self.getRevElementAtPosition( $revisions, self.pointerOne.getPosition() ).data( 'revid' );
|
|
revId2 = self.getRevElementAtPosition( $revisions, self.pointerTwo.getPosition() ).data( 'revid' );
|
|
|
|
self.diffPage.refresh( revId1, revId2 );
|
|
self.diffPage.pushState( revId1, revId2, self );
|
|
},
|
|
drag: function ( event, ui ) {
|
|
var newestVisibleRevisionLeftPos = containerWidth - self.revisionWidth;
|
|
ui.position.left = Math.min( ui.position.left, newestVisibleRevisionLeftPos );
|
|
self.resetPointerColorsBasedOnValues(
|
|
self.pointerOne.getView().getElement().offset().left,
|
|
self.pointerTwo.getView().getElement().offset().left
|
|
);
|
|
}
|
|
} );
|
|
|
|
$slider.find( '.mw-revision-wrapper' ).click( function ( e ) {
|
|
var $revWrap = $( this ),
|
|
$clickedRev = $revWrap.find( '.mw-revision' ),
|
|
hasClickedTop = e.pageY - $revWrap.offset().top < $revWrap.height() / 2,
|
|
pOld = self.getOldRevPointer(),
|
|
pNew = self.getNewRevPointer();
|
|
|
|
if ( hasClickedTop ) {
|
|
self.refreshRevisions(
|
|
self.getRevElementAtPosition( $revisions, pOld.getPosition() ).data( 'revid' ),
|
|
$clickedRev.data( 'revid' )
|
|
);
|
|
pNew.setPosition( $clickedRev.data( 'pos' ) );
|
|
} else {
|
|
self.refreshRevisions(
|
|
$clickedRev.data( 'revid' ),
|
|
self.getRevElementAtPosition( $revisions, pNew.getPosition() ).data( 'revid' )
|
|
);
|
|
pOld.setPosition( $clickedRev.data( 'pos' ) );
|
|
}
|
|
|
|
self.resetPointerColorsBasedOnValues( self.pointerOne.getPosition(), self.pointerTwo.getPosition() );
|
|
self.resetRevisionStylesBasedOnPointerPosition( $revisions );
|
|
self.alignPointers();
|
|
} );
|
|
|
|
this.slider.setRevisionsPerWindow( $slider.find( '.mw-revisions-container' ).width() / this.revisionWidth );
|
|
|
|
this.initializePointers( this.getOldRevElement( $revisions ), this.getNewRevElement( $revisions ) );
|
|
this.resetRevisionStylesBasedOnPointerPosition( $revisions );
|
|
|
|
this.$element = $slider;
|
|
$container.html( $slider );
|
|
|
|
this.slide( Math.floor( ( this.pointerTwo.getPosition() - 1 ) / this.slider.getRevisionsPerWindow() ), 0 );
|
|
this.diffPage.pushState( mw.config.values.extRevisionSliderOldRev, mw.config.values.extRevisionSliderNewRev, this );
|
|
this.diffPage.initOnPopState( this );
|
|
},
|
|
|
|
getOldRevPointer: function () {
|
|
return this.pointerOne.getPosition() <= this.pointerTwo.getPosition() ? this.pointerOne : this.pointerTwo;
|
|
},
|
|
|
|
getNewRevPointer: function () {
|
|
return this.pointerOne.getPosition() > this.pointerTwo.getPosition() ? this.pointerOne : this.pointerTwo;
|
|
},
|
|
|
|
refreshRevisions: function ( revId1, revId2 ) {
|
|
var oldRev = Math.min( revId1, revId2 ),
|
|
newRev = Math.max( revId1, revId2 );
|
|
this.diffPage.refresh( oldRev, newRev );
|
|
this.diffPage.pushState( oldRev, newRev, this );
|
|
},
|
|
|
|
getRevElementAtPosition: function ( $revs, pos ) {
|
|
return $revs.find( 'div.mw-revision[data-pos="' + pos + '"]' );
|
|
},
|
|
|
|
getOldRevElement: function ( $revs ) {
|
|
return $revs.find( 'div.mw-revision[data-revid="' + mw.config.values.extRevisionSliderOldRev + '"]' );
|
|
},
|
|
|
|
getNewRevElement: function ( $revs ) {
|
|
return $revs.find( 'div.mw-revision[data-revid="' + mw.config.values.extRevisionSliderNewRev + '"]' );
|
|
},
|
|
|
|
initializePointers: function ( $oldRevElement, $newRevElement ) {
|
|
if ( $oldRevElement.length === 0 || $newRevElement.length === 0 ) {
|
|
// Note: this is currently caught in init.js
|
|
throw 'RS-rev-out-of-range';
|
|
}
|
|
this.pointerOne.setPosition( $oldRevElement.data( 'pos' ) );
|
|
this.pointerTwo.setPosition( $newRevElement.data( 'pos' ) );
|
|
this.resetPointerStylesBasedOnPosition();
|
|
},
|
|
|
|
resetPointerColorsBasedOnValues: function ( p1, p2 ) {
|
|
if ( p1 > p2 ) {
|
|
this.pointerOne.getView().getElement().removeClass( 'mw-oldid-pointer' ).addClass( 'mw-newid-pointer' );
|
|
this.pointerTwo.getView().getElement().removeClass( 'mw-newid-pointer' ).addClass( 'mw-oldid-pointer' );
|
|
} else {
|
|
this.pointerOne.getView().getElement().removeClass( 'mw-newid-pointer' ).addClass( 'mw-oldid-pointer' );
|
|
this.pointerTwo.getView().getElement().removeClass( 'mw-oldid-pointer' ).addClass( 'mw-newid-pointer' );
|
|
}
|
|
},
|
|
|
|
resetPointerStylesBasedOnPosition: function () {
|
|
this.getNewRevPointer().getView().getElement().removeClass( 'mw-oldid-pointer' ).addClass( 'mw-newid-pointer' )
|
|
.removeClass( 'mw-lower-pointer' ).addClass( 'mw-upper-pointer' );
|
|
this.getOldRevPointer().getView().getElement().removeClass( 'mw-newid-pointer' ).addClass( 'mw-oldid-pointer' )
|
|
.removeClass( 'mw-upper-pointer' ).addClass( 'mw-lower-pointer' );
|
|
},
|
|
|
|
resetRevisionStylesBasedOnPointerPosition: function ( $revisions ) {
|
|
var olderRevPosition = this.getOldRevPointer().getPosition(),
|
|
newerRevPosition = this.getNewRevPointer().getPosition(),
|
|
positionIndex = olderRevPosition + 1;
|
|
|
|
$revisions.find( 'div.mw-revision' )
|
|
.removeClass( 'mw-revision-intermediate mw-revision-old mw-revision-new' );
|
|
|
|
this.getRevElementAtPosition( $revisions, olderRevPosition ).addClass( 'mw-revision-old' );
|
|
this.getRevElementAtPosition( $revisions, newerRevPosition ).addClass( 'mw-revision-new' );
|
|
while ( positionIndex < newerRevPosition ) {
|
|
this.getRevElementAtPosition( $revisions, positionIndex ).addClass( 'mw-revision-intermediate' );
|
|
positionIndex++;
|
|
}
|
|
},
|
|
|
|
calculateRevisionsPerWindow: function () {
|
|
return Math.floor( ( $( '#mw-content-text' ).width() - this.containerMargin ) / this.revisionWidth );
|
|
},
|
|
|
|
calculateSliderContainerWidth: function () {
|
|
return Math.min( this.slider.getRevisions().getLength(), this.calculateRevisionsPerWindow() ) * this.revisionWidth;
|
|
},
|
|
|
|
slide: function ( direction, duration ) {
|
|
var self = this;
|
|
|
|
this.slider.slide( direction );
|
|
self.pointerOne.getView().getElement().draggable( 'disable' );
|
|
self.pointerTwo.getView().getElement().draggable( 'disable' );
|
|
|
|
if ( this.slider.isAtStart() ) {
|
|
$( '.mw-arrow-left' ).removeClass( 'mw-arrow-enabled mw-arrow-hovered' ).addClass( 'mw-arrow-disabled' );
|
|
} else {
|
|
$( '.mw-arrow-left' ).removeClass( 'mw-arrow-disabled' ).addClass( 'mw-arrow-enabled' );
|
|
}
|
|
if ( this.slider.isAtEnd() ) {
|
|
$( '.mw-arrow-right' ).removeClass( 'mw-arrow-enabled mw-arrow-hovered' ).addClass( 'mw-arrow-disabled' );
|
|
} else {
|
|
$( '.mw-arrow-right' ).removeClass( 'mw-arrow-disabled' ).addClass( 'mw-arrow-enabled' );
|
|
}
|
|
|
|
this.$element.find( '.mw-revisions-container' ).animate(
|
|
{ scrollLeft: this.slider.getFirstVisibleRevisionIndex() * this.revisionWidth },
|
|
duration,
|
|
null,
|
|
function () {
|
|
self.pointerOne.getView().getElement().draggable( 'enable' );
|
|
self.pointerTwo.getView().getElement().draggable( 'enable' );
|
|
}
|
|
);
|
|
|
|
this.alignPointers( duration );
|
|
},
|
|
|
|
alignPointers: function ( duration ) {
|
|
var self = this;
|
|
|
|
this.pointerOne.getView()
|
|
.slideToSideOrPosition( this.slider, duration )
|
|
.promise().done( function () {
|
|
self.resetPointerStylesBasedOnPosition();
|
|
} );
|
|
this.pointerTwo.getView()
|
|
.slideToSideOrPosition( this.slider, duration )
|
|
.promise().done( function () {
|
|
self.resetPointerStylesBasedOnPosition();
|
|
} );
|
|
},
|
|
|
|
whichPointer: function ( $e ) {
|
|
return $e.attr( 'id' ) === 'mw-revslider-pointer-one' ? this.pointerOne : this.pointerTwo;
|
|
}
|
|
} );
|
|
|
|
mw.libs.revisionSlider = mw.libs.revisionSlider || {};
|
|
mw.libs.revisionSlider.SliderView = SliderView;
|
|
}( mediaWiki, jQuery ) );
|