mirror of
https://github.com/scinote-eln/scinote-web.git
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104 lines
3 KiB
JavaScript
104 lines
3 KiB
JavaScript
/*
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* Define AJAX methods for handling errors on forms.
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*/
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/*
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* Render errors specified in JSON format for many form elements.
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*/
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$.fn.renderFormErrors = function (modelName, errors, clear, ev) {
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clear = (typeof clear !== 'undefined') ? clear : true;
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if (clear || _.isUndefined(clear)) {
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this.clearFormErrors();
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}
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var form = $(this);
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$.each(errors, function (field, messages) {
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$input = $(_.filter(form.find('input, select, textarea'), function (el) {
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var name = $(el).attr('name');
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if (name) {
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return name.match(new RegExp(modelName + '\\[' + field + '\\(?'));
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}
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return false;
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}));
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renderFormError(ev, $input, messages);
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});
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};
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/*
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* Render errors specified in array of strings format (or string if
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* just one error) for a single form element.
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*
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* Show error message/s and mark error input (if errMsgs is defined)
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* and, if present, mark and show the tab where the error occured and
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* focus/scroll to the error input, if it is the first one to be
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* specified or if errMsgs is undefined.
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*
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* @param {string} errAttributes Span element (error) attributes
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* @param {boolean} clearErr Set clearErr to true if this is the only
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* error that can happen/show.
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*/
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var renderFormError = function (ev, input, errMsgs, clearErr, errAttributes) {
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clearErr = _.isUndefined(clearErr) ? false : clearErr;
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errAttributes = _.isUndefined(errAttributes) ? "" : " " + errAttributes;
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$form = $(input).closest("form");
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if (!_.isUndefined(errMsgs)) {
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if (clearErr) {
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$form.clearFormErrors();
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}
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// Mark error form group
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$formGroup = $(input).closest(".form-group");
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if (!$formGroup.hasClass("has-error")) {
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$formGroup.addClass("has-error");
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}
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// Add error message/s
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error_text = ($.makeArray(errMsgs).map(function (m) {
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return m.strToErrorFormat();
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})).join("<br />");
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$errSpan = "<span class='help-block'" + errAttributes + ">" + error_text + "</span>";
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$formGroup.append($errSpan);
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}
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$tab = $(input).closest(".tab-pane");
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if ($tab.length) {
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// Mark error tab
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tabsPropagateErrorClass($form);
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$parent = $tab;
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} else {
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$parent = $form;
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}
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// Focus and scroll to the error if it is the first (most upper) one
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if ($parent.find(".form-group.has-error").length === 1 || _.isUndefined(errMsgs)) {
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goToFormElement(input);
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}
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if(!_.isUndefined(ev)) {
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// Don't submit form
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ev.preventDefault();
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ev.stopPropagation();
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}
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}
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/*
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* If any of form tabs (if exist) has errors, mark it and
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* and show the first erroneous tab.
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*/
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function tabsPropagateErrorClass($form) {
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var $contents = $form.find("div.tab-pane");
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_.each($contents, function (tab) {
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var $tab = $(tab);
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var $errorFields = $tab.find(".has-error");
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if ($errorFields.length) {
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var id = $tab.attr("id");
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var navLink = $form.find("a[href='#" + id + "'][data-toggle='tab']");
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if (navLink.parent().length) {
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navLink.parent().addClass("has-error");
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}
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}
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});
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$form.find(".nav-tabs .has-error:first > a", $form).tab("show");
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}
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