widgets/gotop/include/template/index.tmpl.html

   1 <patTemplate:tmpl name="_widget">
   2 <script type="text/javascript">
   3 //<![CDATA[
   4 $(function(){
   5 //** jQuery Scroll to Top Control script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
   6 //** Available/ usage terms at http://www.dynamicdrive.com (March 30th, 09')
   7 //** v1.1 (April 7th, 09'):
   8 //** 1) Adds ability to scroll to an absolute position (from top of page) or specific element on the page instead.
   9 //** 2) Fixes scroll animation not working in Opera.
  10 var scrolltotop={
  11         //startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control
  12         //scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).
  13         setting: {startline:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]},
  14         controlHTML: '<img src="{_WIDGET_URL}/images/up.png" style="width:48px; height:48px" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"
  15         controlattrs: {offsetx:5, offsety:5}, //offset of control relative to right/ bottom of window corner
  16         anchorkeyword: '#top', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links
  17
  18         state: {isvisible:false, shouldvisible:false},
  19
  20         scrollup:function(){
  21                 if (!this.cssfixedsupport) //if control is positioned using JavaScript
  22                         this.$control.css({opacity:0}) //hide control immediately after clicking it
  23                 var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)
  24                 if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists
  25                         dest=jQuery('#'+dest).offset().top
  26                 else
  27                         dest=0
  28                 this.$body.animate({scrollTop: dest}, this.setting.scrollduration);
  29         },
  30
  31         keepfixed:function(){
  32                 var $window=jQuery(window)
  33                 var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx
  34                 var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety
  35                 this.$control.css({left:controlx+'px', top:controly+'px'})
  36         },
  37
  38         togglecontrol:function(){
  39                 var scrolltop=jQuery(window).scrollTop()
  40                 if (!this.cssfixedsupport)
  41                         this.keepfixed()
  42                 this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false
  43                 if (this.state.shouldvisible && !this.state.isvisible){
  44                         this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])
  45                         this.state.isvisible=true
  46                 }
  47                 else if (this.state.shouldvisible==false && this.state.isvisible){
  48                         this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])
  49                         this.state.isvisible=false
  50                 }
  51         },
  52
  53         init:function(){
  54                 jQuery(document).ready(function($){
  55                         var mainobj=scrolltotop
  56                         var iebrws=document.all
  57                         mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode
  58                         mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')
  59                         mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
  60                                 .css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
  61                                 .attr({title:'Scroll Back to Top'})
  62                                 .click(function(){mainobj.scrollup(); return false})
  63                                 .appendTo('body')
  64                         if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text
  65                                 mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text
  66                         mainobj.togglecontrol()
  67                         $('a[href="' + mainobj.anchorkeyword +'"]').click(function(){
  68                                 mainobj.scrollup()
  69                                 return false
  70                         })
  71                         $(window).bind('scroll resize', function(e){
  72                                 mainobj.togglecontrol()
  73                         })
  74                 })
  75         }
  76 }
  77 scrolltotop.init()
  78 });
  79 //]]>
  80 </script>
  81 </patTemplate:tmpl>