111 lines
3.9 KiB
JavaScript
111 lines
3.9 KiB
JavaScript
/* Used to calculate the Budget */
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var BudgetModule = Class.create();
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Object.extend(BudgetModule.prototype, {
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initialize: function () {},
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toAmount: function(value) {
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var amount = value.replace(/[^1234567890.]/ig,'');
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if (amount) {
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return parseFloat(amount);
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} else {
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return 0;
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}
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},
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updateAmounts: function() {
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if ($('deliverable_type').checked) {
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// Fixed cost
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var cost = Budget.toAmount($('deliverable_fixed_cost').value);
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Budget.updateAmount($('fixedCost'), cost);
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} else {
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// Variable cost
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var perHour = Budget.toAmount($('deliverable_cost_per_hour').value);
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var hours = Budget.toAmount($('deliverable_total_hours').value);
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var cost = perHour * hours;
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Budget.updateAmount($('variableCost'), cost);
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}
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if ($('deliverable_overhead').value.match('%')) {
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var overhead_subtotal = (Budget.toAmount($('deliverable_overhead').value) / 100) * cost;
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} else {
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var overhead_subtotal = Budget.toAmount($('deliverable_overhead').value);
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}
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if ($('deliverable_materials').value.match('%')) {
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var materials_subtotal = (Budget.toAmount($('deliverable_materials').value) / 100) * cost;
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} else {
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var materials_subtotal = Budget.toAmount($('deliverable_materials').value);
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}
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// Profit uses labor cost and overhead
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if ($('deliverable_profit').value.match('%')) {
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var profit_subtotal = (Budget.toAmount($('deliverable_profit').value) / 100) * (cost + overhead_subtotal);
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} else {
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var profit_subtotal = Budget.toAmount($('deliverable_profit').value);
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}
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// Amounts
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Budget.updateAmount($('overhead_subtotal'), overhead_subtotal);
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Budget.updateAmount($('materials_subtotal'), materials_subtotal);
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Budget.updateAmount($('profit_subtotal'), profit_subtotal);
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var total = cost + overhead_subtotal + materials_subtotal + profit_subtotal;
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$('deliverable_budget').value = total;
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$('total-budget-calculation').innerHTML = Budget.number_to_currency(total);
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},
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updateAmount: function(element, value) {
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if (element) {
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element.innerHTML = Budget.number_to_currency(value);
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}
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},
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changeType: function() {
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if ($('deliverable_type').checked) {
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// Fixed
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$$('.budget-hourly').each(function(ele) { ele.hide(); });
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$$('.budget-fixed').each(function(ele) { ele.show(); });
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} else {
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// Variable
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$$('.budget-hourly').each(function(ele) { ele.show(); });
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$$('.budget-fixed').each(function(ele) { ele.hide(); });
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}
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Budget.updateAmounts();
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},
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// Rails-like number_to_currency currency formatting
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// http://snippets.dzone.com/posts/show/4646
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number_to_currency: function (number, options) {
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try {
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var options = options || {};
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var precision = options["precision"] || 2;
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var unit = options["unit"] || "$";
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var separator = precision > 0 ? options["separator"] || "." : "";
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var delimiter = options["delimiter"] || ",";
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var parts = parseFloat(number).toFixed(precision).split('.');
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return unit + Budget.number_with_delimiter(parts[0], delimiter) + separator + parts[1].toString();
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} catch(e) {
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return number
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}
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},
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number_with_delimiter: function (number, delimiter, separator) {
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try {
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var delimiter = delimiter || ",";
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var separator = separator || ".";
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var parts = number.toString().split('.');
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parts[0] = parts[0].replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1" + delimiter);
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return parts.join(separator);
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} catch(e) {
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return number
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}
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}
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});
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Budget = new BudgetModule();
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