MediaWiki:Gadget-SkillForm.js

var pagedata;
var SkillData = {};

$(document).ready(function() {
	if (document.getElementById("skill_calculator")) {
		$.get("/index.php?title=" + mw.config.get("wgPageName") +"/skilldata&action=raw", function( data, textStatus, jqxhr ) {
			pagedata = data;
			build_skill_form();
		});	
	}
});

function get_skill_data() {
	skill_data = {};
	var key;
	$.each(pagedata.split("\n"), function(index, value) {
		if (value.charAt(0) == "!") {
			key = value.substring(1).trim();
		} else if (value.charAt(0) == "|" && value.charAt(1) !== "-" && value.charAt(1) !== "}") {
			if (key == "initial" || key == "text")
				skill_data[key] = value.substring(value.lastIndexOf("|") + 1).trim();
			else
				skill_data[key] = $.map(value.substring(1).split("||"), $.trim); 
		}
	});
	return skill_data;
} 

function build_skill_form() {
    skill_data = get_skill_data();

    if (skill_data.text) {
        calculator_element = document.getElementById("skill_calculator");
        calculator_element.outerHTML =
            '<div id="skill_calculator" style="position:absolute"><table cellspacing="5"><tr>' +
                '<td rowspan="2" style="background:rgba(128, 128, 128, 0);width:52px;height:52px"></td>' +
                '<td colspan="2" style="background:rgba(255, 255, 255, 0.25);min-width: 300px;">&#8199;</td>' +
            '</tr><tr>' +
                '<td style="width:60px"><select class="skill" id="skill_level" onchange="SkillData.display_data">' +
                    '<option value="0">Lv. 1</option>' +
                    '<option value="1">Lv. 2</option>' +
                    '<option value="2">Lv. 3</option>' +
                    '<option value="3">Lv. 4</option>' +
                    '<option value="4">Lv. 5</option>' +
                    '<option value="5">Lv. 6</option>' +
                    '<option value="6">Lv. 7</option>' +
                    '<option value="7">Lv. 8</option>' +
                    '<option value="8">Lv. 9</option>' +
                    '<option value="9" selected="selected">Lv. 10</option>' +
                '</select></td><td id="cooldown"></td></tr><tr></tr></table><p id="description"></p></div>';
        document.getElementById("skill_level").onchange = display_data;
        display_data();
    }
}
 
function display_data() {
    data = get_skill_data();

    if (data !== null) {
        index = document.getElementById("skill_level").value;
        regex = /\(\$\w+\)/g;
        formatted_text = data.text;
        vars = data.text.match(regex);
        for (i = 0; i < vars.length; i++) {
            var_name = vars[i].substring(2, vars[i].length - 1);
            formatted_text = formatted_text.replace(
                vars[i],
                data[var_name][index]);
        }
        if (data.hasOwnProperty('cooldown')) {
        	cooldownText = '<td id="cooldown" style="color:rgba(255, 182, 0, 1)">' + data.cooldown[index] + 's cooldown';
        	if (data.hasOwnProperty('initial')) {
        		cooldownText += ', ' + data.initial + 's initial cooldown';
        	}
        	cooldownText += '</td>';
	        document.getElementById("cooldown").outerHTML = cooldownText;
        } else if (data.hasOwnProperty('activation')) {
	        document.getElementById("cooldown").outerHTML =
	            '<td id="cooldown" style="color:rgba(255, 182, 0, 1)">' + data.activation[index] + '% chance to activate</td>';
        } else {
        	document.getElementById("cooldown").outerHTML =
	            '<td id="cooldown" style="color:rgba(255, 182, 0, 1)">Passive</td>';
        }
        document.getElementById("description").outerHTML =
            '<p id="description">' + formatted_text + '</p>';
    }
}