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/************************************************/
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/* IPB3 Javascript */
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/* -------------------------------------------- */
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/* ips.poll.js - Poll code */
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/* (c) IPS, Inc 2008 */
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/* -------------------------------------------- */
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/* Author: Rikki Tissier */
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/************************************************/
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var _poll = window.IPBoard;
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_poll.prototype.poll = {
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maxQuestions: 0,
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maxChoices: 0,
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questions: $H(),
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choices: $H(),
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_choices: $H(),
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votes: $H(),
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multi: $H(),
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effectDuration: 0.3,
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/*------------------------------*/
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/* Constructor */
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init: function()
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{
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Debug.write("Initializing ips.poll.js");
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document.observe("dom:loaded", function(){
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ipb.poll.initPoll();
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});
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},
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/* ------------------------------ */
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/**
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* Initialize the poll, mainly to check
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* for an existing poll
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*/
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initPoll: function()
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{
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// Are there any questions so far?
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if( ipb.poll.questions.size() > 0 )
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{
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// Build the choices array
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ipb.poll.choices.each( function( c )
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{
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var match = c.key.match(/([0-9]+)_([0-9]+)/);
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if( Object.isUndefined( match[1] ) || Object.isUndefined( match[2] ) ){
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return false;
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}
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if( !Object.isHash( ipb.poll._choices.get( match[1] ) ) ){
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ipb.poll._choices.set( parseInt( match[1] ), $H() );
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}
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var votes = ipb.poll.votes.get( match[0] ) || 0;
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ipb.poll._choices.get( parseInt( match[1] ) ).set( parseInt( match[2] ), $H({ value: c.value, votes: votes }) );
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});
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// Now parse questions
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ipb.poll.questions.each( function( q )
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{
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var qid = q.key;
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var question = q.value;
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// Get the choices
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var html = ipb.templates['poll_question'].evaluate( { qid: qid, value: question } );
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$( 'poll_container' ).insert( html );
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// Allowing multiple choice?
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if( ipb.poll.multi.get( qid ) == 1 ){
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$('multi_' + qid).checked = true;
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}
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var choices = ipb.poll._choices.get( qid );
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choices.each( function( c )
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{
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var item = ipb.templates['poll_choice'].evaluate( { qid: qid, cid: c.key, choice: c.value.get('value'), votes: c.value.get('votes') } );
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$('choices_for_' + qid).insert( item );
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// Add Events
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$('remove_' + qid + '_' + c.key).observe('click', ipb.poll.removeChoice.bindAsEventListener( this, qid, c.key ));
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if( !ipb.poll.isMod || ipb.poll.isPublicPoll ){
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$('poll_' + qid + '_' + c.key + '_votes').remove();
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}
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// And display
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$('poll_' + qid + '_' + c.key + '_wrap').show();
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});
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// Add events on the question wrap
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if( $('add_choice_' + qid ) )
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{
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if( choices.size() >= ipb.poll.maxChoices ){
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$('add_choice_' + qid).hide();
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} else {
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$('add_choice_' + qid).observe('click', ipb.poll.addChoice.bindAsEventListener( this, qid ) );
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}
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}
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if( $('remove_question_' + qid) )
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{
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$('remove_question_' + qid).observe('click', ipb.poll.removeQuestion.bindAsEventListener( this, qid ) );
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}
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$('question_' + qid + '_wrap').show();
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});
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}
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// Update our text
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ipb.poll.updateStatus();
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if( $('add_new_question') ){
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$('add_new_question').observe('click', ipb.poll.addQuestion );
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}
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// What should we show?
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if( ipb.poll.showOnLoad ){
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$('add_poll').hide();
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$('poll_wrap').show();
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} else {
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$('poll_wrap').hide();
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$('add_poll').show();
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}
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$('add_poll').observe('click', ipb.poll.toggleForm);
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$('close_poll').observe('click', ipb.poll.toggleForm);
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// We need to hook an event onto the form for this poll,
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// so we can make sure they have entered enough choices
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var form = $('poll_form').up('form');
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if( !Object.isUndefined( form ) )
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{
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$( form ).observe('submit', ipb.poll.submitCheckPoll );
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}
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},
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/* ------------------------------ */
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/**
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* Checks poll pre-submit to ensure proper choices
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* are entered.
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*
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* @param {event} e The event
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*/
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submitCheckPoll: function(e)
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{
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var stop = false;
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if( ipb.poll._choices.size() > 1 )
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{
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ipb.poll._choices.each( function( q ){
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if( q.value.size() < 2 ){
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stop = true;
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return;
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}
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});
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if( stop == true )
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{
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alert( ipb.lang['poll_not_enough_choices'] );
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Event.stop(e);
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return false;
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}
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}
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},
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/* ------------------------------ */
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/**
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* Updates the status text
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*/
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updateStatus: function()
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{
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if( !$('poll_stats') ){ return; }
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if( !ipb.lang['poll_stats'] ){ $('poll_stats').remove(); }
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var questions = parseInt( ipb.poll.maxQuestions ) - ipb.poll._choices.size();
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var choices = parseInt( ipb.poll.maxChoices );
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var string = ipb.lang['poll_stats'].gsub(/\[\q\]/, questions).gsub(/\[c\]/, choices);
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$('poll_stats').update( string );
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},
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/* ------------------------------ */
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/**
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* Toggle the poll form
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*/
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toggleForm: function(e)
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{
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Event.stop(e);
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if( $('poll_wrap').visible() ){
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$('add_poll').show();
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// No choices, so destroy poll
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/*if( ipb.poll._choices.size() == 0 )
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{
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ipb.poll.destroyPoll( e );
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}*/
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} else {
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$('add_poll').hide();
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// Add a default question
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if( ipb.poll._choices.size() == 0 )
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{
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ipb.poll.addQuestion( e, 1 );
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}
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}
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Effect.toggle( $('poll_wrap'), 'blind', { duration: ipb.poll.effectDuration } );
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},
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/* ------------------------------ */
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/**
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* Destroy poll
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*/
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destroyPoll: function( e )
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{
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//ipb.poll.removeQuestion
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},
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/* ------------------------------ */
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/**
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* Add a new choice
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*
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* @param {event} event The event
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* @param {int} qid The question ID
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* @param {boolean} instant Slide down or show instantly?
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*/
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addChoice: function(e, qid, instant)
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{
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Event.stop(e);
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if( !qid || !$('choices_for_' + qid) ){ return; }
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var newid = ipb.poll.getNextID( 'c', qid );
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if( ipb.poll._choices.get( qid ).size() >= ipb.poll.maxChoices ){
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alert( ipb.lang['poll_no_more_choices'] );
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return;
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}
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var choice = ipb.templates['poll_choice'].evaluate( { qid: qid, cid: newid, choice: '', votes: 0 } );
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$('choices_for_' + qid ).insert( choice );
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// Remove votes
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if( !ipb.poll.isMod || ipb.poll.isPublicPoll )
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{
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$('poll_' + qid + '_' + newid + '_votes').remove();
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}
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// Time to show
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if( instant ){
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$('poll_' + qid + '_' + newid + '_wrap').show();
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} else {
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new Effect.BlindDown( $('poll_' + qid + '_' + newid + '_wrap'), { duration: ipb.poll.effectDuration } );
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}
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// Add event
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if( $('remove_' + qid + '_' + newid) ){
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$('remove_' + qid + '_' + newid ).observe('click', ipb.poll.removeChoice.bindAsEventListener( this, qid, newid ) );
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}
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// Add to array
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ipb.poll._choices.get( qid ).set( newid, $H({ value: '', votes: 0 }) );
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ipb.poll.updateStatus();
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},
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/* ------------------------------ */
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/**
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* Removes a choice
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*
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* @param {event} e The event
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* @param {int} qid The question ID
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* @param {int} cid The choice ID
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*/
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removeChoice: function(e, qid, cid)
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{
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Event.stop(e);
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if( !qid || Object.isUndefined( cid ) || !$('poll_' + qid + '_' + cid) ){ return; }
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// If theres a value, check they want to delete
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if( !$F('poll_' + qid + '_' + cid).blank() )
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{
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if( !confirm( ipb.lang['delete_confirm'] ) )
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{
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return;
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}
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}
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// Hide it
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new Effect.BlindUp( $('poll_' + qid + '_' + cid + '_wrap' ), { duration: ipb.poll.effectDuration, afterFinish: function(){ $('poll_' + qid + '_' + cid + '_wrap').remove(); } } );
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// remove it from array
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ipb.poll._choices.get( qid ).unset( cid );
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ipb.poll.updateStatus();
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},
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/* ------------------------------ */
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/**
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* Add a new question
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*
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* @param {event} e The event
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* @param {boolean} instant Show instantly?
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*/
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addQuestion: function(e, instant)
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{
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Event.stop(e);
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if( ipb.poll._choices.size() >= ipb.poll.maxQuestions ){
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alert( ipb.lang['poll_no_more_q'] )
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return;
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}
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var newid = ipb.poll.getNextID('q');
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var item = ipb.templates['poll_question'].evaluate( { qid: newid, value: '' } );
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$( 'poll_container' ).insert( item );
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if( $('remove_question_' + newid) ){
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$('remove_question_' + newid).observe('click', ipb.poll.removeQuestion.bindAsEventListener( this, newid ) );
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}
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// Show it
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if( instant ){
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$('question_' + newid + '_wrap').show();
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} else {
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new Effect.BlindDown( $('question_' + newid + '_wrap'), { duration: ipb.poll.effectDuration } );
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}
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// Add it to array
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ipb.poll._choices.set( newid, $H() );
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// Lets add a choice to start them off
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ipb.poll.addChoice(e, newid, 1);
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// Add events on the question wrap
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if( $('add_choice_' + newid ) )
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{
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$('add_choice_' + newid).observe('click', ipb.poll.addChoice.bindAsEventListener( this, newid ) );
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}
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ipb.poll.updateStatus();
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},
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/* ------------------------------ */
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/**
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* Removes a question
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*
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* @param {event} e The event
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* @param {int} qid
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*/
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removeQuestion: function(e, qid, force)
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{
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Event.stop(e);
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if( !$('question_' + qid + '_wrap') ){ return; }
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if( !force )
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{
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// Confirm it
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if( !confirm( ipb.lang['delete_confirm'] ) )
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{
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return;
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}
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// Well, ok then...
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new Effect.BlindUp( $('question_' + qid + '_wrap'), { duration: ipb.poll.effectDuration, afterFinish: function(){
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$('question_' + qid + '_wrap').remove();
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} } );
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}
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else
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{
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$('question_' + qid + '_wrap').remove();
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}
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// Remove from array
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ipb.poll._choices.unset( qid );
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ipb.poll.updateStatus();
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},
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/* ------------------------------ */
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/**
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* Returns the next highest ID
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*
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* @param {string} type Type of ID, either q for question or c for choice
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* @param {int} qid Question ID if type is c
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*/
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getNextID: function( type, qid )
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{
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//Debug.dir( ipb.poll._choices );
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if( type == 'q' )
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{
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if( Object.isUndefined( ipb.poll._choices ) ){
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var max = 1;
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}
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else
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{
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var max = parseInt( ipb.poll._choices.max( function(q){
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return parseInt( q.key );
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}) ) + 1;
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if ( isNaN( max ) )
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{
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var max = 1;
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}
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}
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}
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else
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{
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if( Object.isUndefined( qid ) ){ return false; }
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if( Object.isUndefined( ipb.poll._choices.get( qid ) ) ){
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var max = 0;
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}
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else
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{
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var max = parseInt( ipb.poll._choices.get( qid ).max( function(c){
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return parseInt( c.key );
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}) ) + 1;
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if( isNaN( max ) ){
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max = 1;
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}
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}
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}
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Debug.write( max );
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return max;
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}
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}
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ipb.poll.init();
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