mirror of
https://github.com/openseadragon/openseadragon.git
synced 2025-02-01 07:31:41 +03:00
Fix scrolling when exiting full-screen mode.
Rename fullpage event to full-page and it's fullpage property to fullPage. Add pre-full-page event.
This commit is contained in:
Antoine Vandecreme
parent
d4a4276bbc
commit
7375ba9241
@ -843,7 +843,7 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
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/**
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* Determines the pages current scroll position.
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* Determines the page current scroll position.
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* @function
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* @name OpenSeadragon.getPageScroll
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* @returns {Point}
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@ -874,14 +874,64 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
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);
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};
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} else {
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$.getPageScroll = function(){
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// We can't reassign the function yet, as there was no scroll.
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return new $.Point(0,0);
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};
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}
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return $.getPageScroll();
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},
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/**
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* Set the page scroll position.
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* @function
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* @name OpenSeadragon.getPageScroll
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* @returns {Point}
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*/
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setPageScroll: function( scroll ) {
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if ( typeof ( window.scrollTo ) !== "undefined" ) {
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$.setPageScroll = function( scroll ) {
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window.scrollTo( scroll.x, scroll.y );
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};
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} else {
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var currentScroll = $.getPageScroll();
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if ( currentScroll.x === scroll.x &&
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currentScroll.y === scroll.y ) {
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// We are already correctly positioned and there
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// is no way to detect the correct method.
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return;
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}
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document.body.scrollLeft = scroll.x;
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document.body.scrollTop = scroll.y;
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currentScroll = $.getPageScroll();
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if ( currentScroll.x === scroll.x &&
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currentScroll.y === scroll.y ) {
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$.setPageScroll = function( scroll ) {
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document.body.scrollLeft = scroll.x;
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document.body.scrollTop = scroll.y;
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};
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return;
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}
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document.documentElement.scrollLeft = scroll.x;
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document.documentElement.scrollTop = scroll.y;
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currentScroll = $.getPageScroll();
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if ( currentScroll.x === scroll.x &&
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currentScroll.y === scroll.y ) {
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$.setPageScroll = function( scroll ) {
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document.documentElement.scrollLeft = scroll.x;
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document.documentElement.scrollTop = scroll.y;
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};
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return;
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}
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// We can't find anything working, so we do nothing.
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$.setPageScroll = function( scroll ) {
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};
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}
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return $.setPageScroll( scroll );
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},
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/**
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* Determines the size of the browsers window.
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143
src/viewer.js
143
src/viewer.js
@ -646,7 +646,6 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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var body = document.body,
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bodyStyle = body.style,
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docStyle = document.documentElement.style,
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canvasStyle = this.canvas.style,
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_this = this,
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hash,
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nodes,
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@ -657,9 +656,10 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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return;
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}
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if ( this.viewport ) {
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var oldBounds = this.viewport.getBounds();
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var oldCenter = this.viewport.getCenter();
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var recenterAfterFullPage = function() {
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if ( _this.viewport ) {
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var oldBounds = _this.viewport.getBounds();
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var oldCenter = _this.viewport.getCenter();
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// This function recenter the image as it was before switching mode.
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// TODO: better adjust width and height. The new width and height
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@ -687,10 +687,75 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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);
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viewport.fitBounds( newBounds, true );
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};
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this.addHandler( "animation-finish", resizeAfterFullscreenHandler );
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_this.addHandler( "animation-finish", resizeAfterFullscreenHandler );
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}
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};
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// On chrome, we need to restore the DOM after $.fullScreenEventName
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// has been raised otherwise it won't restore the scroll position.
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var exitFullPage = function() {
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_this.raiseEvent( 'pre-full-page', { fullPage: false } );
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recenterAfterFullPage();
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bodyStyle.margin = _this.bodyMargin;
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docStyle.margin = _this.docMargin;
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bodyStyle.padding = _this.bodyPadding;
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docStyle.padding = _this.docPadding;
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bodyStyle.width = _this.bodyWidth;
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bodyStyle.height = _this.bodyHeight;
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body.removeChild( _this.element );
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nodes = _this.previousBody.length;
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for ( i = 0; i < nodes; i++ ){
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body.appendChild( _this.previousBody.shift() );
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}
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$.removeClass( _this.element, 'fullpage' );
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THIS[ _this.hash ].prevElementParent.insertBefore(
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_this.element,
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THIS[ _this.hash ].prevNextSibling
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);
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//If we've got a toolbar, we need to enable the user to use css to
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//reset it to its original state
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if( _this.toolbar && _this.toolbar.element ){
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body.removeChild( _this.toolbar.element );
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//Make sure the user has some ability to style the toolbar based
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//on the mode
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$.removeClass( _this.toolbar.element, 'fullpage' );
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_this.toolbar.parentNode.insertBefore(
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_this.toolbar.element,
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_this.toolbar.nextSibling
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);
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delete _this.toolbar.parentNode;
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delete _this.toolbar.nextSibling;
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}
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_this.element.style.width = THIS[ _this.hash ].prevElementWidth;
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_this.element.style.height = THIS[ _this.hash ].prevElementHeight;
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$.setPageScroll(_this.pageScroll);
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THIS[ _this.hash ].fullPage = false;
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// mouse will likely be outside now
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$.delegate( _this, onContainerExit )( {} );
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_this.raiseEvent( 'full-page', { fullPage: false } );
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};
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if ( fullPage ) {
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this.raiseEvent( 'pre-full-page', { fullPage: true } );
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recenterAfterFullPage();
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this.pageScroll = $.getPageScroll();
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this.bodyMargin = bodyStyle.margin;
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this.docMargin = docStyle.margin;
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@ -751,7 +816,11 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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if( $.isFullScreen() ){
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_this.setFullPage( true );
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} else {
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_this.setFullPage( false );
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document.removeEventListener(
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$.fullScreenEventName,
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THIS[ _this.hash ].onfullscreenchange
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);
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exitFullPage();
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}
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};
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@ -782,72 +851,18 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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// mouse will be inside container now
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$.delegate( this, onContainerEnter )( {} );
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this.raiseEvent( 'full-page', { fullPage: true } );
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} else {
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if( $.supportsFullScreen ){
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document.removeEventListener(
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$.fullScreenEventName,
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THIS[ this.hash ].onfullscreenchange
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);
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$.cancelFullScreen( document );
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$.cancelFullScreen();
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} else {
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exitFullPage();
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}
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bodyStyle.margin = this.bodyMargin;
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docStyle.margin = this.docMargin;
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bodyStyle.padding = this.bodyPadding;
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docStyle.padding = this.docPadding;
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bodyStyle.width = this.bodyWidth;
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bodyStyle.height = this.bodyHeight;
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canvasStyle.backgroundColor = "";
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canvasStyle.color = "";
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body.removeChild( this.element );
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nodes = this.previousBody.length;
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for ( i = 0; i < nodes; i++ ){
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body.appendChild( this.previousBody.shift() );
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}
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$.removeClass( this.element, 'fullpage' );
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THIS[ this.hash ].prevElementParent.insertBefore(
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this.element,
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THIS[ this.hash ].prevNextSibling
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);
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//If we've got a toolbar, we need to enable the user to use css to
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//reset it to its original state
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if( this.toolbar && this.toolbar.element ){
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body.removeChild( this.toolbar.element );
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//Make sure the user has some ability to style the toolbar based
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//on the mode
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$.removeClass( this.toolbar.element, 'fullpage' );
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//this.toolbar.element.style.position = 'relative';
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this.toolbar.parentNode.insertBefore(
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this.toolbar.element,
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this.toolbar.nextSibling
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);
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delete this.toolbar.parentNode;
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delete this.toolbar.nextSibling;
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//this.container.style.top = 'auto';
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}
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this.element.style.width = THIS[ this.hash ].prevElementWidth;
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this.element.style.height = THIS[ this.hash ].prevElementHeight;
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THIS[ this.hash ].fullPage = false;
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// mouse will likely be outside now
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$.delegate( this, onContainerExit )( {} );
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}
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this.raiseEvent( 'fullpage', { fullpage: fullPage } );
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return this;
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},
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