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/* |
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no pager, as seen at |
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http://www.humanized.com/weblog/2006/04/28/reading_humanized/ |
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but using jquery |
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|
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2006-08-16 Dobrica Pavlinusic <dpavlin@rot13.org> |
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*/ |
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|
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var preloadDistance = 1000; |
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var isUpdating = false; |
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var checker; |
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var v; |
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var cookie = 'no_pager'; |
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|
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/* |
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function to log debugging information into debug div |
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*/ |
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|
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function logDebug( m1, m2 ) { |
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var m = m1; |
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if (m2) m += m2; |
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if (m) $('#debug').append( '<small>'+m+'</small><br/>' ); |
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} |
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|
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function log( m1, m2 ) { |
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var m = m1; |
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if (m2) m += m2; |
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m += '</br>' |
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if (m) $('#debug').append( m ); |
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} |
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|
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function load_page() { |
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setCookie(cookie+"_height", getScrollHeight() ); |
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setCookie(cookie+"_scroll", getScrollHeight() - _getWindowHeight() ); |
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|
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if ( isUpdating == true |
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|| getPageHeight() - getScrollHeight() > preloadDistance |
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|| v.page >= v.max_page |
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) return; |
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|
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v.page++; |
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|
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log( |
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'Get page:' + v.page + '<br/>search: ' + v.search + |
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' PageHeight:' + getPageHeight() + ' ScrollHeight:' + getScrollHeight() |
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); |
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|
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setCookie( cookie+'_page', v.page ); |
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isUpdating = true; |
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|
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$('#status').html( |
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'Loading page '+ v.page + '...' |
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); |
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|
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$.get( |
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"index.cgi/snippet", |
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{ |
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page: v.page, |
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search: v.search |
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}, |
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function ( response ) { |
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|
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if (response.length < 500) { |
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$('#footer').show(); |
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if ( v.page > 0 ) { |
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$('#more_history').html('<h2 style="text-align: center; font-style:italic; padding: 2em;">No more results.</h2>'); |
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} else { |
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$('#more_history').html('<h2 style="text-align: center; font-style:italic; padding: 2em;">No results matched your search.</h2>'); |
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} |
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$('#status').html( 'All results shown.' ); |
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return; |
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} |
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|
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response += "<div id='more_history'>"; |
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response += " <strong>More posts are being loaded...</strong> <br />"; |
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response += " If you are using the scroll bar, release the mouse to see more posts."; |
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response += "</div>" |
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$('#more_history').html( response ); |
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|
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eval( 'v=' + $('#json').val() ); |
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|
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isUpdating = false; |
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$('#status').html( v.status ); |
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} |
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); |
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|
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|
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} |
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|
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/* |
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bind events and init no_pager |
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*/ |
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|
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$(document).ready( function() { |
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|
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logDebug( 'no_page binding events' ); |
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|
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eval( 'v=' + $('#json').val() ); |
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|
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var cookie_id = getCookie(cookie+'_id') || 0; |
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|
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logDebug("Page ID:", v.id); |
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logDebug("Page Cookie:", cookie_id); |
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|
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var fromBackButton = false; |
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if ( cookie_id == v.id ) { |
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fromBackButton = true; |
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} else { |
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setCookie(cookie+'_id', v.id); |
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} |
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|
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logDebug("From Back Button?:", fromBackButton); |
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if ( fromBackButton ) { |
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logDebug( 'Load ' + getCookie(cookie+'_page') + ' pages'); |
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logDebug( 'Scroll to:' + getCookie(cookie+'_scroll') ); |
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$('#spacer').height( getCookie(cookie+'_height')+"px" ); |
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scroll( 0, getCookie(cookie+'_scroll') ); |
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} |
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|
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|
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checker = setInterval(function () { |
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load_page(); |
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}, 100); |
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|
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|
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}); |
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|
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