--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/2015_06_02/s6/jquery.slideshow.js	Tue Jul 14 17:23:04 2015 +0900
@@ -0,0 +1,512 @@
+
+var Slideshow = {};
+
+
+/************************************
+ * lets you define your own "global" transition function
+ *   passes in a reference to from and to slide wrapped in jQuery wrapper
+ */
+
+Slideshow.transition = function( $from, $to ) {
+  $from.hide();
+  $to.show();
+}
+
+/***********************
+ * sample custom transition using scrollUp effect
+ * inspired by Karl Swedberg's Scroll Up Headline Reader jQuery Tutorial[1]
+ * [1] http://docs.jquery.com/Tutorials:Scroll_Up_Headline_Reader
+ */
+
+function transitionSlideUpSlideDown( $from, $to ) {
+   $from.slideUp( 500, function() { $to.slideDown( 1000 ); } );
+}
+	
+function transitionFadeOutFadeIn( $from, $to ) {
+	 $from.fadeOut( 500 );
+   $to.fadeIn( 500 );			
+}
+
+function transitionScrollUp( $from, $to ) {   
+  var cheight = $from.outerHeight();
+
+  // hide scrollbar during animation
+  $( 'body' ).css( 'overflow-y', 'hidden' );
+
+  $to.css( 'top', cheight+'px' );
+  $to.show();
+
+  $from.animate( {top: -cheight}, 'slow' );
+  $to.animate( {top: 0}, 'slow', function() {
+     $from.hide().css( 'top', '0px');
+
+     // restore possible scrollbar 
+     $( 'body' ).css( 'overflow-y', 'auto' );
+  }); 
+}
+
+Slideshow.init = function( options ) {
+
+  var settings = $.extend({
+     mode              : 'slideshow', // slideshow | outline | autoplay
+     projectionStyleId : '#styleProjection',
+	   screenStyleId     : '#styleScreen',
+     titleSelector     : 'h1',      
+     slideSelector     : '.slide',   // dummy (not yet working)
+     stepSelector      : '.step',    // dummy (not yet working)
+     debug             :  false
+  }, options || {});
+
+  settings.isProjection = true; // are we in projection (slideshow) mode (in contrast to screen (outline) mode)?     
+  settings.snum = 1;      // current slide # (non-zero based index e.g. starting with 1)
+  settings.smax = 1;      // max number of slides 
+  settings.incpos = 0;    // current step in slide  
+  settings.steps  = null;
+  settings.autoplayInterval = null; 
+   
+  function debug( msg ) 
+  {
+    if( window.console && window.console.log )
+      window.console.log( '[debug] ' + msg ); 
+  }   
+
+  function showHide( action )
+  {
+    var $navLinks = $( '#navLinks' )  
+       
+    switch( action ) {
+      case 's': $navLinks.css( 'visibility', 'visible' );  break;
+      case 'h': $navLinks.css( 'visibility', 'hidden' );   break;
+      case 'c':  /* toggle control panel */
+          if( $navLinks.css( 'visibility' ) != 'visible' )
+             $navLinks.css( 'visibility', 'visible' );
+          else
+             $navLinks.css( 'visibility', 'hidden' );
+          break; 
+    }
+  }  
+   
+  function updateCurrentSlideCounter()
+  { 
+      $( '#currentSlide' ).html( settings.snum + '/' + settings.smax );
+  }
+  
+  function updateJumpList()
+  {
+      $('#jumplist').get(0).selectedIndex = (settings.snum-1);
+  }
+  
+  function updatePermaLink()
+  {
+      // todo: unify hash marks??; use #1 for div ids instead of #slide1? 
+      window.location.hash = '#'+settings.snum;
+  }
+
+  function goTo( target )
+  {
+       if( target > settings.smax || target == settings.snum ) return;
+       go( target - settings.snum );
+  }
+ 
+  function go( dir )
+  {
+    debug( 'go: ' + dir );
+  
+    if( dir == 0 ) return;  /* same slide; nothing to do */
+
+    var cid = '#slide' + settings.snum;   /* current slide (selector) id */
+    var csteps = settings.steps[settings.snum-1];  /* current slide steps array */
+
+    /* remove all step and stepcurrent classes from current slide */
+   if( csteps.length > 0) {
+     $( csteps ).each( function() {
+       $(this).removeClass( 'step' ).removeClass( 'stepcurrent' );
+     } );
+   }
+
+  /* set snum to next slide */
+  settings.snum += dir;
+  if( settings.snum > settings.smax ) settings.snum = settings.smax;
+  if( settings.snum < 1 ) settings.snum = 1;
+  
+  var nid = '#slide' + settings.snum;  /* next slide (selector) id */
+  var nsteps = settings.steps[settings.snum-1]; /* next slide steps array */															  
+  
+	if( dir < 0 ) /* go backwards? */
+	{
+		settings.incpos = nsteps.length;
+		/* mark last step as current step */
+		if( nsteps.length > 0 ) 
+			$( nsteps[settings.incpos-1] ).addClass( 'stepcurrent' );		
+	}
+	else /* go forwards? */
+	{
+		settings.incpos = 0;
+	  if( nsteps.length > 0 ) {
+		  $( nsteps ).each( function() {
+				$(this).addClass( 'step' ).removeClass( 'stepcurrent' );
+			} );
+		}
+	}	
+	
+  if( !(cid == nid) ) {
+    debug( "transition from " + cid + " to " + nid );
+    Slideshow.transition( $( cid ), $( nid ) );
+  }
+  
+  updateJumpList();
+  updateCurrentSlideCounter();
+  updatePermaLink(); 
+}
+
+ function subgo( dir )
+ {
+	debug( 'subgo: ' + dir + ', incpos before: ' + settings.incpos + ', after: ' + (settings.incpos+dir) );
+	
+	var csteps = settings.steps[settings.snum-1]; /* current slide steps array */
+	
+	if( dir > 0)
+  {  /* go forward? */
+		if( settings.incpos > 0 )
+      $( csteps[settings.incpos-1] ).removeClass( 'stepcurrent' );
+		$( csteps[settings.incpos] ).removeClass( 'step').addClass( 'stepcurrent' ); 
+		settings.incpos++;
+	}
+  else
+  { /* go backwards? */
+		settings.incpos--;
+		$( csteps[settings.incpos] ).removeClass( 'stepcurrent' ).addClass( 'step' );
+		if( settings.incpos > 0 )
+      $( csteps[settings.incpos-1] ).addClass( 'stepcurrent' );
+	}
+}
+
+
+function notOperaFix()
+{          
+   $( settings.projectionStyleId ).attr( 'media','screen' );
+              
+   var styleScreen = $( settings.screenStyleId ).get(0);
+   styleScreen.disabled = true;
+}    
+
+
+function toggle()
+{
+  // toggle between projection (slide show) mode
+  //   and screen (outline) mode
+
+  // get stylesheets 
+	var styleProjection  = $( settings.projectionStyleId ).get(0);
+	var styleScreen      = $( settings.screenStyleId ).get(0);
+	
+  if( !styleProjection.disabled )
+  {
+		styleProjection.disabled = true;
+		styleScreen.disabled     = false;
+		settings.isProjection    = false;
+    $('.slide').each( function() { $(this).show(); } );
+	}
+  else
+  {
+		styleProjection.disabled = false;
+		styleScreen.disabled     = true;
+		settings.isProjection    = true;
+    $('.slide').each( function(i) {
+      if( i == (settings.snum-1) )
+        $(this).show();
+      else
+        $(this).hide();
+    });
+	}
+}
+ 
+   function populateJumpList() {
+    
+     var list = $('#jumplist').get(0);
+    
+     $( '.slide' ).each( function(i) {
+       var text = $(this).find( settings.titleSelector ).text();
+       list.options[list.length] = new Option( (i+1)+' : '+ text, (i+1) );
+     });
+   } 
+   
+   function createControls()
+   {	  
+     // todo: make layout into an id (not class?)
+     //  do we need or allow more than one element?
+     
+  
+     // if no div.layout exists, create one
+     if( $( '.layout' ).length == 0 )
+        $( "<div class='layout'></div>").appendTo( 'body' );
+  
+     $( '.layout' )
+	    .append( "<div id='controls'>" )
+	    .append( "<div id='currentSlide'>" );
+ 
+      var $controls = $( '#controls' )
+    
+   	 $controls.html(  '<div id="navLinks">' 
+	    + '<a accesskey="t" id="toggle" href="#">&#216;<\/a>' 
+	    + '<a accesskey="z" id="prev" href="#">&laquo;<\/a>' 
+	    + '<a accesskey="x" id="next" href="#">&raquo;<\/a>' 
+	    + '<div id="navList"><select id="jumplist" /><\/div>' 
+	    + '<\/div>' ); 
+      
+      $controls.hover( function() { showHide('s') }, function() { showHide('h') });
+      $('#toggle').click( function() { toggle(); } );
+      $('#prev').click( function() { go(-1); } );
+      $('#next').click( function() { go(1); } );
+       
+      $('#jumplist').change( function() { goTo( parseInt( $( '#jumplist' ).val() )); } );
+  	
+      populateJumpList();     
+      updateCurrentSlideCounter();
+      updatePermaLink(); 
+   }
+  
+  function toggleSlideNumber()
+  {
+     // toggle slide number/counter
+     $( '#currentSlide' ).toggle();
+  }
+  
+  function toggleFooter()
+  {
+     $( '#footer').toggle(); 
+  }
+  
+  
+  function keys(key)
+  {
+	if (!key) {
+		key = event;
+		key.which = key.keyCode;
+	}
+	if (key.which == 84) {
+		toggle();  // toggle between project and screen css media mode 
+		return;
+	}
+	if( settings.isProjection ) {
+		switch (key.which) {
+			case 32: // spacebar
+			case 34: // page down
+			case 39: // rightkey
+			case 40: // downkey
+				
+        var csteps = settings.steps[settings.snum-1]; /* current slide steps array */
+        
+				if ( !csteps || settings.incpos >= csteps.length ) {
+					go(1);
+				} else {
+					subgo(1);
+				}
+				break;
+			case 33: // page up
+			case 37: // leftkey
+			case 38: // upkey
+					
+					if( !settings.steps[settings.snum-1] || settings.incpos <= 0 ) {
+					  go(-1);
+				  } else {
+					  subgo(-1);
+					}
+				  break;
+      case 36: // home
+				goTo(1);
+				break;
+			case 35: // end
+				goTo(settings.smax);
+				break;   
+			case 67: // c
+				showHide('c');  // toggle controls (navlinks,navlist)
+				break;
+      case 65: //a
+			case 80: //p
+			case 83: //s
+				toggleAutoplay();
+				break;
+      case 70: //f
+        toggleFooter();
+        break;
+      case 78: // n
+        toggleSlideNumber();
+        break;
+      case 68: // d
+        toggleDebug();
+        break;
+		}
+	}
+}
+
+function autoplay()
+{
+	// suspend autoplay in outline view (just slideshow view)
+	if( !settings.isProjection )
+	  return;
+
+     // next slide/step, please
+     var csteps = settings.steps[settings.snum-1]; // current slide steps array 
+     if( !csteps || settings.incpos >= csteps.length ) {
+			  if( settings.snum >= settings.smax )
+           goTo( 1 );   // reached end of show? start with 1st slide again (for endless cycle)
+        else
+           go(1);
+	   }
+     else {
+			  subgo(1);
+	   }
+}
+
+function toggleDebug()
+{
+   settings.debug = !settings.debug;
+   doDebug();
+}
+
+function doDebug()
+{
+   // fix/todo: save background into oldbackground
+   //  so we can restore later 
+   
+   if( settings.debug == true )
+   {
+      $( '#header' ).css( 'background', '#FCC' );
+      $( '#footer' ).css( 'background', '#CCF' );
+      $( '#controls' ).css( 'background', '#BBD' );
+      $( '#currentSlide' ).css( 'background', '#FFC' ); 
+   }
+   else
+   {
+      $( '#header' ).css( 'background', 'transparent' );
+      $( '#footer' ).css( 'background', 'transparent' );
+      $( '#controls' ).css( 'background', 'transparent' );
+      $( '#currentSlide' ).css( 'background', 'transparent' );       
+   }
+}
+
+	 
+function toggleAutoplay()
+{
+  if( settings.autoplayInterval )
+	{
+		clearInterval( settings.autoplayInterval );
+		settings.autoplayInterval = null;
+	}
+	else
+	{
+	   settings.autoplayInterval = setInterval ( autoplay, 2000 );
+	}
+}
+
+
+
+function collectStepsWorker(obj) {
+	
+	var steps = new Array();
+	if( !obj ) 
+		return steps;
+	
+	$(obj).children().each( function() {
+	  if( $(this).hasClass( 'step' ) ) {
+			
+			debug( 'step found for ' + this.tagName );
+			$(this).removeClass( 'step' );
+
+			/* don't add enclosing list; instead add step class to all list items/children */
+			if( $(this).is( 'ol,ul' ) ) {
+				debug( '  ol or ul found; adding auto steps' );
+				$(this).children().addClass( 'step' );
+			}
+			else
+			{
+				steps.push( this )
+			}
+		}
+	 	
+		steps = steps.concat( collectStepsWorker(this) );
+	});
+	
+  return steps;
+}
+
+function collectSteps() {
+	
+	var steps = new Array();
+
+  $slides.each(	function(i) {
+		debug ( 'collectSteps for ' + this.id + ':' );
+		steps[i] = collectStepsWorker( this );
+  });
+	
+	$( steps ).each( function(i) {
+	  debug( 'slide ' + (i+1) + ': found ' + this.length + ' steps' );	
+	});
+       
+  return steps;
+}
+
+
+function addClicker() {
+    // if you click on heading of slide -> go to next slide (or next step)
+   
+   $( settings.titleSelector, $slides ).click( function() { 
+      if( !settings.isProjection )  // suspend clicker in outline view (just slideshow view)
+	       return;
+     
+      var csteps = settings.steps[settings.snum-1]; // current slide steps array 
+			if ( !csteps || settings.incpos >= csteps.length ) 
+				 go(1);
+			else 
+				 subgo(1);
+   } ); 
+}
+
+function addSlideIds() {
+     $slides.each( function(i) {
+        this.id = 'slide'+(i+1);
+     });
+   }
+   
+   // init code here
+   
+    // store possible slidenumber from hash */
+	  // todo: use regex to extract number
+	  //    might be #slide1 or just #1
+	 
+	  var gotoSlideNum = parseInt( window.location.hash.substring(1) );
+	  debug( "gotoSlideNum=" + gotoSlideNum );
+  
+   var $slides = $( '.slide' );  
+   settings.smax = $slides.length;
+   
+   addSlideIds();
+   settings.steps = collectSteps();
+     
+   createControls();
+   
+   addClicker();
+         
+   /* opera is the only browser currently supporting css projection mode */ 
+   /* if( !$.browser.opera ) */
+   notOperaFix();
+
+   if( !isNaN( gotoSlideNum ))
+   {
+	    debug( "restoring slide on (re)load #: " + gotoSlideNum );
+	    goTo( gotoSlideNum );
+	 }
+	           
+   if( settings.mode == 'outline' ) 
+     toggle();
+   else if( settings.mode == 'autoplay' )
+     toggleAutoplay();
+  
+  
+   if( settings.debug == true )
+     doDebug();
+                
+   document.onkeyup = keys;
+
+} // end Slideshow