90 lines
3.3 KiB
JavaScript
90 lines
3.3 KiB
JavaScript
/* Copyright (C) 2012-2013 Denver Gingerich,
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** Copyright (C) 2013-2014 Bradley M. Kuhn,
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** Copyright (C) 2016 Brett Smith.
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** License: GPLv3-or-later
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** Find a copy of GPL at https://sfconservancy.org/GPLv3
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*/
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var flipClass = function(elem, byeClass, hiClass) {
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var classList = elem.classList;
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classList.remove(byeClass);
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classList.add(hiClass);
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}
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var amountIsValid = function(amountInput) {
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var value = parseFloat(amountInput.value);
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var min = parseFloat(amountInput.min);
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/* Is the value is a valid float, it will stringify back to itself. */
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return (String(value) === amountInput.value) && (value >= min);
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}
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var supportTypeSelector = function(supportTypeHash) {
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return $(supportTypeHash + "Selector");
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};
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var $window = $(window);
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$window.load(function() {
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/* We've sometimes published links that say #renew instead of #renewal.
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Rewrite that to work as intended. */
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if (window.location.hash === "#renew") {
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window.location.hash = "#renewal";
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}
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var $selectorLink = supportTypeSelector(window.location.hash);
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if ($selectorLink.length > 0) {
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$window.scrollTop($selectorLink.offset().top);
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}
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});
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$(document).ready(function() {
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// Forms start in "invalid" form, with the errors shown, so that
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// non-Javascript users see the errors by default and know what they must
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// enter. Now we hide those for JavaScript users:
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$('.form-error').addClass('hidden');
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var $formCorrectionNeeded = $('#form-correction-needed');
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$('form.supporter-form input[type=number]').on('focusout', function(event) {
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var amountInput = event.target;
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var wasValid = !amountInput.classList.contains('invalid');
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var isValid = amountIsValid(amountInput);
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if (!wasValid && isValid) {
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flipClass(amountInput, 'invalid', 'valid');
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$('.form-error', amountInput.parentNode).addClass('hidden');
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} else if (wasValid && !isValid) {
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flipClass(amountInput, 'valid', 'invalid');
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$('.form-error', amountInput.parentNode).removeClass('hidden');
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}
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});
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$('form.supporter-form').on('submit', function(event) {
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if (amountIsValid($('input[name=amount]', event.target)[0])) {
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$formCorrectionNeeded.addClass('hidden');
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} else {
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$formCorrectionNeeded.removeClass('hidden')
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.css("font-weight", "bold").css("font-size", "150%");
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event.preventDefault();
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}
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});
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var selectSupportType = function(event) {
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var $selectedLink = $(event.target);
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$(".supporter-type-selector a").removeClass("supporter-type-selector-selected");
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$selectedLink.addClass("supporter-type-selector-selected");
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$(".supporter-type-selection").hide();
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var hashIndex = event.target.href.lastIndexOf('#');
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if (hashIndex > -1) {
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$(event.target.href.slice(hashIndex)).show();
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}
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$formCorrectionNeeded.addClass('hidden');
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return false;
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};
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$(".supporter-type-selector a").bind("click", selectSupportType);
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var selectSupportTypeFromHash = function() {
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return supportTypeSelector(window.location.hash).click();
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};
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$window.bind("hashchange", selectSupportTypeFromHash);
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if (selectSupportTypeFromHash().length === 0) {
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supportTypeSelector("#annual").click();
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}
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});
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