var presentation = ["Every cell<\/word>","enclosed<\/word>","cell membrane<\/word>","separates<\/word>","cytoplasm<\/word>","extracellular space<\/word>","cell membrane consists<\/word>","lipid bilayer<\/word>","cholesterols<\/word>","sit between<\/word>","phospholipids<\/word>","maintain<\/word>","fluidity<\/word>","Cell membranes<\/word>","semipermeable<\/word>","allowing small molecules<\/word>","such as<\/word>","oxygen<\/word>","carbon dioxide<\/word>","water<\/word>","pass through<\/word>","restricting the movement<\/word>","larger molecules<\/word>","charged particles<\/word>","ions<\/word>","Every cell<\/strong> is enclosed<\/strong> within a cell membrane<\/strong> that separates<\/strong> its cytoplasm<\/strong> from the extracellular space<\/strong>. A cell membrane consists<\/strong> of a lipid bilayer<\/strong>, including cholesterols<\/strong> that sit between<\/strong> phospholipids<\/strong> to maintain<\/strong> their fluidity<\/strong> at various temperatures. Cell membranes<\/strong> are semipermeable<\/strong>, allowing small molecules<\/strong> such as<\/strong> oxygen<\/strong>, carbon dioxide<\/strong>, and water<\/strong> to pass through<\/strong> while restricting the movement<\/strong> of larger molecules<\/strong> and charged particles<\/strong> such as<\/strong> ions<\/strong>.<\/phrase>","Cell membranes<\/word>","contains<\/word>","membrane proteins<\/word>","integral membrane proteins<\/word>","go across the membrane<\/word>","membrane transporters<\/word>","peripheral proteins<\/word>","loosely attach<\/word>","outer side<\/word>","cell membrane<\/word>","enzymes<\/word>","shaping the cell<\/word>","Cell membranes are involved<\/word>","cellular processes<\/word>","such as<\/word>","cell adhesion<\/word>","storing electrical energy<\/word>","cell signaling<\/word>","attachment surface<\/word>","extracellular structures<\/word>","cell wall<\/word>","glycocalyx<\/word>","cytoskeleton<\/word>","Cell membranes<\/strong> also contains<\/strong> membrane proteins<\/strong>, including integral membrane proteins<\/strong> that go across the membrane<\/strong> serving as membrane transporters<\/strong>, and peripheral proteins<\/strong> that loosely attach<\/strong> to the outer side<\/strong> of the cell membrane<\/strong>, acting as enzymes<\/strong> shaping the cell<\/strong>. Cell membranes are involved<\/strong> in various cellular processes<\/strong> such as<\/strong> cell adhesion<\/strong>, storing electrical energy<\/strong>, and cell signaling<\/strong> and serve as the attachment surface<\/strong> for several extracellular structures<\/strong> such as<\/strong> a cell wall<\/strong>, glycocalyx<\/strong>, and cytoskeleton<\/strong>.<\/phrase>","cytoplasm<\/word>","many biomolecules<\/word>","such as<\/word>","proteins<\/word>","nucleic acids<\/word>","biomolecules<\/word>","eukaryotic cells<\/word>","specialized structures<\/word>","organelles<\/word>","have their own<\/word>","lipid bilayers<\/word>","These organelles include<\/word>","cell nucleus<\/word>","contains<\/word>","genetic information<\/word>","mitochondria<\/word>","generates ATP<\/word>","power<\/word>","cellular processes<\/word>","Other organelles<\/word>","endoplasmic reticulum<\/word>","Golgi apparatus<\/word>","play a role<\/word>","synthesis<\/word>","packaging of proteins<\/word>","proteins can be engulfed<\/word>","lysosomes<\/word>","Plant cells<\/word>","additional organelles<\/word>","distinguish them<\/word>","animal cells<\/word>","cell wall<\/word>","chloroplasts<\/word>","vacuole<\/word>","Within the cytoplasm<\/strong> of a cell, there are many biomolecules<\/strong> such as<\/strong> proteins<\/strong> and nucleic acids<\/strong>. In addition to biomolecules<\/strong>, eukaryotic cells<\/strong> have specialized structures<\/strong> called organelles<\/strong> that have their own<\/strong> lipid bilayers<\/strong> or are spatially units. These organelles include<\/strong> the cell nucleus<\/strong>, which contains<\/strong> a cell's genetic information<\/strong>, or mitochondria<\/strong>, which generates ATP<\/strong> to power<\/strong> cellular processes<\/strong>. Other organelles<\/strong> such as<\/strong> endoplasmic reticulum<\/strong> and Golgi apparatus<\/strong> play a role<\/strong> in the synthesis<\/strong> and packaging of proteins<\/strong>, respectively. biomolecules<\/strong> such as<\/strong> proteins can be engulfed<\/strong> by lysosomes<\/strong>, another specialized organelle. Plant cells<\/strong> have additional organelles<\/strong> that distinguish them<\/strong> from animal cells<\/strong> such as<\/strong> a cell wall<\/strong>, chloroplasts<\/strong>, and vacuole<\/strong>.<\/phrase>"]; var currentPosition = 0; var totalPositions = 0; var timePerWord = 1500; var timePerPhraseWord = 120 var readAheadPlayerTimer; var autoPlay = true; var setMinimized = false; var wordSpeedOptions = {'Slower':2000,'Moderate':1200,'Fast':800}; var phraseSpeedOptions = {'Slower':280,'Moderate':200,'Fast':80}; var defaultWordSpeedOption = 'Moderate'; var defaultPhraseSpeedOption = 'Moderate'; var logToLTI = false; $(window).load(function(){ totalPositions = presentation.length; if (totalPositions > 0){ $('body').prepend('
'); $('body').prepend('
'); $('#read_ahead_player').prepend('
'); initializeReadAheadControls(); initializeReadAheadSlider(); initializeReadAheadSpeedOptions(); currentReadAheadControls(); resumeReadAheadPlayback(); } }); $(document).keyup(function(e){ switch(e.which) { case 37: pauseReadAheadPresentation(); priorReadAheadPresentationItem(); break; case 39: pauseReadAheadPresentation(); nextReadAheadPresentationItem(); break; default: break; } }); function initializeReadAheadControls(){ var s = ''; s += ''; s += ''; s += ''; s += '
'; s += ''; s += ''; s += ''; s += ''; s += ''; s += ''; s += ''; s += ''; s += ''; s += '
'; $('#read_ahead_player').append(s); } function initializeReadAheadSlider(){ var s = ''; s += '
'; s += '
'; s += '
'; $('#read_ahead_controls').prepend(s); updateReadAheadSliderPosition(); } function initializeReadAheadSpeedOptions(){ var s = '
'; s += '
'; s += ' Word Speed
'; s += '
'; optionCount = 0; for (index in wordSpeedOptions) { optionCount++; } optionWidth = 100 / optionCount; for (index in wordSpeedOptions) { var option = wordSpeedOptions[index]; if (index == defaultWordSpeedOption) { s += ''; updateReadAheadWordSpeed(option); } else { s += ''; } } s += '
'; s += '
'; s += '
'; s += ' Phrase Speed
'; s += '
'; optionCount = 0; for (index in phraseSpeedOptions) { optionCount++; } optionWidth = 100 / optionCount; for (index in phraseSpeedOptions) { var option = phraseSpeedOptions[index]; if (index == defaultWordSpeedOption) { s += ''; updateReadAheadPhraseSpeed(option); } else { s += ''; } } s += '
'; s += '
'; s += '
'; $('#read_ahead_controls').append(s); } function updateReadAheadWordSpeed(microseconds,sender) { microseconds = microseconds != undefined && microseconds > 0 ? microseconds : 0; if (microseconds > 0) { timePerWord = microseconds; } if (sender!=undefined) { $('#slider_control_word_speed').find('a').removeClass('current_speed'); $(sender).addClass('current_speed'); } logReadAheadPlayerAction('updateReadAheadWordSpeed','Presentation',microseconds); } function updateReadAheadPhraseSpeed(microseconds,sender) { microseconds = microseconds != undefined && microseconds > 0 ? microseconds : 0; if (microseconds > 0 ) { timePerPhraseWord = microseconds; } if (sender!=undefined) { $('#slider_control_phrase_speed').find('a').removeClass('current_speed'); $(sender).addClass('current_speed'); } logReadAheadPlayerAction('updateReadAheadPhraseSpeed','Presentation',microseconds); } function updateReadAheadSliderPosition(){ var currentSliderBarWidth = 100 - (100 / totalPositions * (currentPosition + 1)); $('#readAheadSliderBar').css('width',currentSliderBarWidth+'%'); } function currentReadAheadControls(){ $('#read_ahead_player_pause_play').show(); if (currentPosition < totalPositions - 1) { $('#read_ahead_player_next_word').removeClass('disabled'); } else { $('#read_ahead_player_next_word').addClass('disabled'); } if (currentPosition > 0) { $('#read_ahead_player_previous_word').removeClass('disabled'); } else { $('#read_ahead_player_previous_word').addClass('disabled'); } } function restartReadAheadPresentation(){ currentPosition = 0; logReadAheadPlayerAction('restartReadAheadPresentation','Presentation',''); resumeReadAheadPlayback(); } function resumeReadAheadPlayback(){ $('.fa-repeat').removeClass('fa-repeat').addClass('fa-play'); $('#read_ahead_player_pause_play').each(function(){ $(this).find('.fa-play').removeClass('fa-play').addClass('fa-pause'); $(this).off('click'); $(this).attr('onclick','pauseReadAheadPresentation()'); }); logReadAheadPlayerAction('resumeReadAheadPlayback','Presentation',''); playReadAheadPresentation(); } function pauseReadAheadPresentation(){ $('#read_ahead_player_pause_play').each(function(){ $(this).find('.fa-pause').removeClass('fa-pause').addClass('fa-play'); $(this).off('click'); $(this).attr('onclick','resumeReadAheadPlayback()'); }); logReadAheadPlayerAction('pauseReadAheadPresentation','Presentation',''); read_ahead_pause(); } function endReadAheadPresentation(){ $('.fa-play').removeClass('fa-play').addClass('fa-repeat'); $('.fa-pause').removeClass('fa-pause').addClass('fa-repeat'); $('#read_ahead_player_pause_play').each(function(){ $(this).off('click'); $(this).attr('onclick','restartReadAheadPresentation()'); }); logReadAheadPlayerAction('endReadAheadPresentation','Presentation',''); logLTIEndPresentation(); } function playReadAheadPresentation(){ autoPlay=true; currentPosition--; logReadAheadPlayerAction('playReadAheadPresentation','Presentation',''); nextReadAheadPresentationItem(); } function startReadAheadStepper(timeDisplayWord){ clearInterval(readAheadPlayerTimer); readAheadPlayerTimer = setTimeout(function() { read_ahead_step(); },timeDisplayWord); } function stopReadAheadStepper(){ clearInterval(readAheadPlayerTimer); } function read_ahead_step(){ if (autoPlay) { nextReadAheadPresentationItem(); } } function read_ahead_pause(){ autoPlay=false; stopReadAheadStepper(); } function showReadAheadPresentationItem(index){ currentPosition = index; currentPresentationItem = presentation[currentPosition] != undefined ? presentation[currentPosition].trim() : ""; if (currentPresentationItem != "") { currentItemWordCount = presentation[currentPosition].replace("\n","").split(" ").length; if (currentPresentationItem.startsWith("")){ startReadAheadStepper(currentItemWordCount*timePerWord); $('#read_ahead_player_field').html('
'+currentPresentationItem+'
'); logReadAheadPlayerAction('showReadAheadPresentationItem','Word',currentPresentationItem); } else { startReadAheadStepper(currentItemWordCount*timePerPhraseWord); $('#read_ahead_player_field').html('
'+currentPresentationItem.replace("\n","
")+'
'); logReadAheadPlayerAction('showReadAheadPresentationItem','Phrase',''); } } else { if (currentPosition < totalPositions) { nextReadAheadPresentationItem(); } else { endReadAheadPresentation(); read_ahead_minimize(); } } currentReadAheadControls(); updateReadAheadSliderPosition(); saveReadAheadPosition(); } function priorReadAheadPresentationItem(){ stopReadAheadStepper(); logReadAheadPlayerAction('priorReadAheadPresentationItem','Controls',''); showReadAheadPresentationItem(currentPosition-1); } function nextReadAheadPresentationItem(){ stopReadAheadStepper(); logReadAheadPlayerAction('nextReadAheadPresentationItem','Controls',''); showReadAheadPresentationItem(currentPosition+1); } function read_ahead_playAgain(){ currentWordIndex = 0; logReadAheadPlayerAction('read_ahead_playAgain','Controls',''); playReadAheadPresentation(); } function read_ahead_minimize(){ setMinimized = true; logReadAheadPlayerAction('read_ahead_minimize','Controls',''); read_ahead_switch_min_max(); } function read_ahead_maximize(){ setMinimized = false; logReadAheadPlayerAction('read_ahead_maximize','Controls',''); read_ahead_switch_min_max(); } function read_ahead_switch_min_max(forceSwitch){ forceSwitch = forceSwitch != undefined ? forceSwitch : false; if (forceSwitch) { setMinimized = !setMinimized; } if (setMinimized) { $('#read_ahead_player_back').fadeOut(); $('#read_ahead_player').addClass('minimize'); $('.player-icons .fa-stack').removeClass('fa-lg').addClass('fa-sm'); $('.player-icons .fa-minus').removeClass('fa-minus').addClass('fa-expand'); logReadAheadPlayerAction('read_ahead_switch_min_max','Min',''); //$('#read_ahead_player_max_min').each(function(){ // $(this).off('click'); // $(this).attr('onclick','read_ahead_maximize()'); //}); } else { $('#read_ahead_player_back').fadeIn(); $('#read_ahead_player').removeClass('minimize'); $('.player-icons .fa-stack').removeClass('fa-sm').addClass('fa-lg'); $('.player-icons .fa-expand').removeClass('fa-expand').addClass('fa-minus'); logReadAheadPlayerAction('read_ahead_switch_min_max','Max',''); //$('#read_ahead_player_max_min').each(function(){ // $(this).off('click'); // $(this).attr('onclick','read_ahead_minimize()'); //}); } } function saveReadAheadPosition(){ $.ajax({ type:'POST', url:'/ajax/save_user_presentation_position.php', data: { 'id':3157, 'position': currentPosition } }) .done(function(results){ }) .fail(function( jqXHR, textStatus ) { alert( "Request failed: " + textStatus ); }); } function logLTIEndPresentation(action) { if (!logToLTI) { return; } $.ajax({ type:'POST', url:'/lti/presentationEnded.php', data: { 'documentId':3157, 'userId':0, } }) } function logReadAheadPlayerAction(action,area,details){ var d = new Date(); var t = d.getTime(); action = action != undefined ? action.trim() : 'UNKNOWN'; area = area != undefined ? area.trim() : ''; details = details != undefined ? details : ''; // If we are about to show a new word, increase the number of keywords // reinforced so we can log that for the Dashboard page. if (area == 'Word') { window.keywordCount++; } $.ajax({ type:'POST', url:'/logging/logPlayerAction.php', data: { 'documentId':3157, 'userId':0, 'playerAction':action, 'playerArea':area, 'details':details, 'timestamp': t } }) .done(function(results){ }) .fail(function( jqXHR, textStatus ) { alert( "Request failed: " + textStatus ); }); }