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@@ -3269,40 +3269,48 @@
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* "h/v": horizontal / vertical slide number
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* "c": flattened slide number
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* "c/t": flattened slide number / total slides
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+ *
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+ * Alternatively, config.slideNumber can be a function returning a
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+ * three-element array with arguments to formatSlideNumber().
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*/
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function updateSlideNumber() {
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// Update slide number if enabled
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if( config.slideNumber && dom.slideNumber ) {
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- var value = [];
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+ var value;
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var format = 'h.v';
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- // Check if a custom number format is available
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- if( typeof config.slideNumber === 'string' ) {
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- format = config.slideNumber;
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- }
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-
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- // If there are ONLY vertical slides in this deck, always use
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- // a flattened slide number
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- if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
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- format = 'c';
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- }
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-
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- switch( format ) {
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- case 'c':
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- value.push( getSlidePastCount() + 1 );
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- break;
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- case 'c/t':
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- value.push( getSlidePastCount() + 1, '/', getTotalSlides() );
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- break;
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- case 'h/v':
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- value.push( indexh + 1 );
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- if( isVerticalSlide() ) value.push( '/', indexv + 1 );
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- break;
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- default:
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- value.push( indexh + 1 );
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- if( isVerticalSlide() ) value.push( '.', indexv + 1 );
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+ if ( typeof config.slideNumber === 'function' ) {
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+ value = config.slideNumber();
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+ } else {
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+ // Check if a custom number format is available
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+ if( typeof config.slideNumber === 'string' ) {
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+ format = config.slideNumber;
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+ }
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+
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+ // If there are ONLY vertical slides in this deck, always use
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+ // a flattened slide number
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+ if( !/c/.test( format ) && dom.wrapper.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ).length === 1 ) {
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+ format = 'c';
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+ }
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+
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+ value = [];
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+ switch( format ) {
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+ case 'c':
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+ value.push( getSlidePastCount() + 1 );
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+ break;
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+ case 'c/t':
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+ value.push( getSlidePastCount() + 1, '/', getTotalSlides() );
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+ break;
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+ case 'h/v':
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+ value.push( indexh + 1 );
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+ if( isVerticalSlide() ) value.push( '/', indexv + 1 );
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+ break;
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+ default:
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+ value.push( indexh + 1 );
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+ if( isVerticalSlide() ) value.push( '.', indexv + 1 );
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+ }
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}
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dom.slideNumber.innerHTML = formatSlideNumber( value[0], value[1], value[2] );
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