src/viewer.js
function( page ) {

            if ( this.nextButton ) {
                if(!this.tileSources || this.tileSources.length - 1 === page) {
                    //Disable next button
                    if ( !this.navPrevNextWrap ) {
                        this.nextButton.disable();
                    }
                } else {
                    this.nextButton.enable();
                }
            }
            if ( this.previousButton ) {
                if ( page > 0 ) {
                    //Enable previous button
                    this.previousButton.enable();
                } else {
                    if ( !this.navPrevNextWrap ) {
                        this.previousButton.disable();
                    }
                }
            }
      }
function( page ) {

            if ( this.nextButton ) {
                if(!this.tileSources || this.tileSources.length - 1 === page) {
                    //Disable next button
                    if ( !this.navPrevNextWrap ) {
                        this.nextButton.disable();
                    }
                } else {
                    this.nextButton.enable();
                }
            }
            if ( this.previousButton ) {
                if ( page > 0 ) {
                    //Enable previous button
                    this.previousButton.enable();
                } else {
                    if ( !this.navPrevNextWrap ) {
                        this.previousButton.disable();
                    }
                }
            }
      }
function ( page ) { if ( this . nextButton ) { if ( ! this . tileSources || this . tileSources . length - 1 === page ) { //Disable next button if ( ! this . navPrevNextWrap ) { this . nextButton . disable ( ) ; } } else { this . nextButton . enable ( ) ; } } if ( this . previousButton ) { if ( page > 0 ) { //Enable previous button this . previousButton . enable ( ) ; } else { if ( ! this . navPrevNextWrap ) { this . previousButton . disable ( ) ; } } } }
Updates the sequence buttons.
@function OpenSeadragon.Viewer.prototype._updateSequenceButtons
@private
@param {Number} Sequence Value
Updates the sequence buttons .