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Revisions improvements 

* Enable smooth sliding in Compare two mode

props adamsilverstein. see #24425.

git-svn-id: http://core.svn.wordpress.org/trunk@24579 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dominik Schilling 2013-07-06 20:22:02 +00:00
parent 4fc5e70228
commit 65f9f1710b
1 changed files with 55 additions and 34 deletions
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87
wp-admin/js/revisions.js
View File

@ -236,6 +236,8 @@ window.wp = window.wp || {};
this.listenTo( this.model, 'change:diffId', this.updateDiff );
this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode );
this.views.set( '.revisions-control-frame', new revisions.view.Controls({
model: this.model
}) );
@ -275,6 +277,10 @@ window.wp = window.wp || {};
}));
this.model.trigger( 'renderDiff' );
});
},
updateCompareTwoMode: function() {
this.$el.toggleClass( 'comparing-two-revisions' );
}
});
@ -336,11 +342,8 @@ window.wp = window.wp || {};
updateMeta: function() {
this.$el.html( this.template( this.model.toJSON() ) );
if( this.model.get( 'to' ).attributes.current ) {
$( '#restore-revision' ).prop( 'disabled', true );
} else {
$( '#restore-revision' ).prop( 'disabled', false );
}
$( '#restore-revision' ).prop( 'disabled', this.model.get( 'to' ).attributes.current );
}
});
@ -375,11 +378,7 @@ window.wp = window.wp || {};
// Toggle the compare two mode feature when the compare two checkbox is checked.
compareTwoToggle: function( event ) {
// Activate compare two mode?
if ( $( '.compare-two-revisions' ).is( ':checked' ) ) {
this.model.set( { compareTwoMode: true } );
} else {
this.model.set( { compareTwoMode: false } );
}
this.model.set( { compareTwoMode: $( '.compare-two-revisions' ).prop( 'checked' ) } );
// Update route
this.model.revisionsRouter.navigateRoute( this.model.get( 'to').id, this.model.get( 'from' ).id );
@ -545,9 +544,7 @@ window.wp = window.wp || {};
// And update the slider in case the route has set it.
this.updateSliderSettings();
this.slide( '', this.settings.attributes );
this.$el.slider( this.settings.toJSON() );
// Listen for changes in Compare Two Mode setting
@ -568,7 +565,7 @@ window.wp = window.wp || {};
actualX = e.clientX - sliderLeft,
hoveringAt = Math.floor( actualX / tickWidth );
// Reverse direction in Rtl mode.
// Reverse direction in RTL mode.
if ( isRtl )
hoveringAt = this.model.revisions.length - hoveringAt - 1;
@ -631,9 +628,8 @@ window.wp = window.wp || {};
range: false
} );
}
if ( this.model.get( 'compareTwoMode' ) ){
$( '.revisions' ).addClass( 'comparing-two-revisions' );
if ( this.model.get( 'compareTwoMode' ) ){
// in RTL mode the 'left handle' is the second in the slider, 'right' is first
$( 'a.ui-slider-handle', this.$el )
.first()
@ -643,8 +639,6 @@ window.wp = window.wp || {};
.last()
.addClass( isRtl ? 'left-handle' : 'right-handle' )
.removeClass( isRtl ? 'right-handle' : 'left-handle' );
} else {
$( '.revisions' ).removeClass( 'comparing-two-revisions' );
}
},
@ -665,23 +659,53 @@ window.wp = window.wp || {};
},
start: function( event, ui ) {
if ( this.model.get( 'compareTwoMode' ) )
return;
// Track the mouse position to enable smooth dragging,
// overrides default jQuery UI step behaviour.
$( window ).on( 'mousemove', { slider: this }, function( e ) {
var slider = e.data.slider,
sliderLeft = slider.$el.offset().left,
sliderRight = sliderLeft + slider.$el.width();
// overrides default jQuery UI step behavior.
$( window ).on( 'mousemove', { view: this }, function( e ) {
var view = e.data.view,
leftDragBoundary = view.$el.offset().left, // Initial left boundary
sliderOffset = leftDragBoundary,
sliderRightEdge = leftDragBoundary + view.$el.width(),
rightDragBoundary = sliderRightEdge, // Initial right boundary
leftDragReset = 0, // Initial left drag reset
rightDragReset = sliderRightEdge - sliderOffset; // Initial right drag reset
// In two handle mode, ensure handles can't be dragged past each other.
// Adjust left/right boundaries and reset points.
if ( view.model.get( 'compareTwoMode' ) ) {
var rightHandle = $( ui.handle ).parent().find( '.right-handle' ),
leftHandle = $( ui.handle ).parent().find( '.left-handle' );
if ( $( ui.handle ).hasClass( 'left-handle' ) ) {
// Dragging the left handle, boundary is right handle.
// RTL mode calculations reverse directions.
if ( isRtl ) {
leftDragBoundary = rightHandle.offset().left + rightHandle.width();
leftDragReset = leftDragBoundary - sliderOffset;
} else {
rightDragBoundary = rightHandle.offset().left;
rightDragReset = rightDragBoundary - sliderOffset;
}
} else {
// Dragging the right handle, boundary is the left handle.
// RTL mode calculations reverse directions.
if ( isRtl ) {
rightDragBoundary = leftHandle.offset().left;
rightDragReset = rightDragBoundary - sliderOffset;
} else {
leftDragBoundary = leftHandle.offset().left + leftHandle.width() ;
leftDragReset = leftDragBoundary - sliderOffset;
}
}
}
// Follow mouse movements, as long as handle remains inside slider.
if ( e.clientX < sliderLeft ) {
$( ui.handle ).css( 'left', 0 ); // Mouse to left of slider.
} else if ( e.clientX > sliderRight ) {
$( ui.handle ).css( 'left', sliderRight - sliderLeft); // Mouse to right of slider.
if ( e.clientX < leftDragBoundary ) {
$( ui.handle ).css( 'left', leftDragReset ); // Mouse to left of slider.
} else if ( e.clientX > rightDragBoundary ) {
$( ui.handle ).css( 'left', rightDragReset ); // Mouse to right of slider.
} else {
$( ui.handle ).css( 'left', e.clientX - sliderLeft ); // Mouse in slider.
$( ui.handle ).css( 'left', e.clientX - sliderOffset ); // Mouse in slider.
}
} );
},
@ -716,9 +740,6 @@ window.wp = window.wp || {};
},
stop: function( event, ui ) {
if ( this.model.get( 'compareTwoMode' ) )
return;
$( window ).off( 'mousemove' );
// Reset settings props handle back to the step position.