/* global Variables */ var activity_page = 0; /*pages through exercises*/ var secret = false; var help_counter = 0; /*increments when "check answer" is clicked, resets on "continue"*/ /*looks like help functions are supposed to give away the answer after x wrong guesses*/ var current_activity = false; /*holds selected activity*/ var current_vocab = false; /*holds selected vocab category*/ var temp_vocab = new Array(); /*list of vocab categories, holds to format as table*/ var current_vocab_list = new Array(); /*actual vocab list*/ var written; var can_continue; function main_interface() { /*if no activity is selected, prompt for one*/ if(current_activity === false) { if(!written) { write_activity(); written = 1; return; } pick_activity(); written = 0; } /*if no vocab category is selected, prompt for one*/ while(current_vocab === false || current_vocab_list.length < 1 ) { if(!written) { if (activity.vocab[current_activity] == 0) /*activity.vocab property is set in data.js tells whether an activity type has associated vocab lists*/ { current_vocab = "none"; } else { if(current_vocab_list.length < 1 && current_vocab ) write_vocab(true); else write_vocab(false); written = 1; return; } } pick_vocab(); make_active_list(); written = 0; } /*moves to the next page (word) when can_continue is 1. can_continue is set to 1 on the individual vocab pages when a question is answered correctly.*/ if(can_continue && !secret) { activity_page++; can_continue = 0; help_counter = 0; } /*Displays the current question*/ if(!(current_activity === false) && !(current_vocab === false)) { if(activity_page < current_vocab_list.length) { activity.function_run[current_activity](); } else done(); } if(secret) activity_page++; } /*look up the answer after x wrong guesses*/ function help_check() { if(!(current_activity === false) && !(current_vocab === false) && current_vocab_list.length > 0) { if(activity.function_help[current_activity] && help_counter > 4) activity.function_help[current_activity](); } } /*build list of questions*/ function make_active_list() { temp_2 = 0; if( current_vocab == "none" ) { for(temp = 0; temp < word.vocab.length; temp++) { if((word.activity[temp].search(activity.definition[current_activity]) + 1) > 0) { current_vocab_list[temp_2] = temp; temp_2++; } } } else { for(temp = 0; temp < word.vocab.length; temp++) { if(word.vocab[temp] == current_vocab && (word.activity[temp].search(activity.definition[current_activity]) + 1) > 0) { current_vocab_list[temp_2] = temp; temp_2++; } } } } /*displays prompt for activity activity lists set up in data.js*/ function write_activity() { parent.frames[1].document.open(); parent.frames[1].document.write(""); parent.frames[1].document.write("

Please Choose An Activity:

"); parent.frames[1].document.write("
"); parent.frames[1].document.write("
"); parent.frames[1].document.write(""); parent.frames[1].document.close(); } /*sets current_activity var to selected activity (selected in write_activity)*/ function pick_activity(pick_again) { for (temp = 0; temp < activity.name.length; temp++) { if(parent.frames[1].document.select_activity.activity[temp].selected) current_activity = temp; } } /*displays prompt for vocab category - pick_again shows "no words in this list" message vocab lists set up in data.js*/ function write_vocab(pick_again) { var temp_counter = 0; for(temp = 0; temp < word.vocab.length; temp++) { var different = 1; for(temp_2 = 0; temp_2 < temp; temp_2++) { if(word.vocab[temp] == word.vocab[temp_2]) different = 0; } if(different) { temp_vocab[temp_counter] = word.vocab[temp]; temp_counter++; } } /*----------------start html---------------------*/ parent.frames[1].document.open(); if(pick_again) parent.frames[1].document.write("

There are no vocabulary words in the activity/vocabulary catagory you selected!
"); else parent.frames[1].document.write("

"); parent.frames[1].document.write("Please Choose A Vocabulary Group:

"); parent.frames[1].document.write(""); var rows = Math.ceil(temp_vocab.length/4); var temp_text; for(row = 0; row < rows; row++) { parent.frames[1].document.write(""); for(column = 0; column < 4; column++) { temp_text = temp_vocab[(row * 4)+column]; if(temp_text != null) { if(column == 0 && row == 0) parent.frames[1].document.write(""); } else parent.frames[1].document.write(" "); } parent.frames[1].document.write(""); } parent.frames[1].document.write("
"); else parent.frames[1].document.write(""); parent.frames[1].document.write(format_print(temp_text) + "
"); parent.frames[1].document.close(); } /*sets current_vocab var to selected vocab category (selected in write_vocab)*/ function pick_vocab() { for(temp = 0; temp < temp_vocab.length; temp++) if(parent.frames[1].document.select_vocab.vocab[temp].checked) current_vocab = temp_vocab[temp]; } /*fixes var names & data for display, gets rid of characters like _*/ function format_print(input_text) { input_text = input_text.replace(/ae/g,"ä"); input_text = input_text.replace(/oe/g,"ö"); input_text = input_text.replace(/ue/g,"ü"); input_text = input_text.replace(/Ae/g,"Ä"); input_text = input_text.replace(/Oe/g,"Ö"); input_text = input_text.replace(/Ue/g,"Ü"); input_text = input_text.replace(/_/g," "); input_text = input_text.replace(/-/g,"_"); input_text = input_text.replace(/=/g,"-"); return input_text; } /*checks answer each category has its own check function set in data.js*/ function check() { if(!(current_activity === false) && !(current_vocab === false) && current_vocab_list.length > 0) { activity.function_check[current_activity](); help_counter++ } } function done() { parent.frames[1].document.location = "main.html" parent.frames[2].document.location = "control.html" parent.frames[3].document.location = "feedback.html" } function write_feedback(message, picture) { var feedback = "Feedback Form" + "" + "
Feedback_ImageFeedback: " + format_print(message) + "" + "
"; parent.frames[3].document.open(); parent.frames[3].document.write(feedback); parent.frames[3].document.close(); } function instructions(type) { parent.frames[1].document.write("
"); if(type == "select") { parent.frames[1].document.write("

"); } if(type == "fill_in") { parent.frames[1].document.write("

"); } }