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349 lines
15 KiB
JavaScript
349 lines
15 KiB
JavaScript
/*global DateTimeShortcuts, SelectFilter*/
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/**
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* Django admin inlines
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*
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* Based on jQuery Formset 1.1
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* @author Stanislaus Madueke (stan DOT madueke AT gmail DOT com)
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* @requires jQuery 1.2.6 or later
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*
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* Copyright (c) 2009, Stanislaus Madueke
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* All rights reserved.
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*
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* Spiced up with Code from Zain Memon's GSoC project 2009
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* and modified for Django by Jannis Leidel, Travis Swicegood and Julien Phalip.
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*
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* Licensed under the New BSD License
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* See: https://opensource.org/licenses/bsd-license.php
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*/
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'use strict';
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{
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const $ = django.jQuery;
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$.fn.formset = function(opts) {
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const options = $.extend({}, $.fn.formset.defaults, opts);
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const $this = $(this);
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const $parent = $this.parent();
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const updateElementIndex = function(el, prefix, ndx) {
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const id_regex = new RegExp("(" + prefix + "-(\\d+|__prefix__))");
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const replacement = prefix + "-" + ndx;
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if ($(el).prop("for")) {
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$(el).prop("for", $(el).prop("for").replace(id_regex, replacement));
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}
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if (el.id) {
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el.id = el.id.replace(id_regex, replacement);
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}
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if (el.name) {
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el.name = el.name.replace(id_regex, replacement);
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}
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};
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const totalForms = $("#id_" + options.prefix + "-TOTAL_FORMS").prop("autocomplete", "off");
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let nextIndex = parseInt(totalForms.val(), 10);
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const maxForms = $("#id_" + options.prefix + "-MAX_NUM_FORMS").prop("autocomplete", "off");
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const minForms = $("#id_" + options.prefix + "-MIN_NUM_FORMS").prop("autocomplete", "off");
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let addButton;
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/**
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* The "Add another MyModel" button below the inline forms.
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*/
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const addInlineAddButton = function() {
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if (addButton === null) {
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if ($this.prop("tagName") === "TR") {
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// If forms are laid out as table rows, insert the
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// "add" button in a new table row:
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const numCols = $this.eq(-1).children().length;
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$parent.append('<tr class="' + options.addCssClass + '"><td colspan="' + numCols + '"><a href="#">' + options.addText + "</a></tr>");
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addButton = $parent.find("tr:last a");
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} else {
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// Otherwise, insert it immediately after the last form:
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$this.filter(":last").after('<div class="' + options.addCssClass + '"><a href="#">' + options.addText + "</a></div>");
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addButton = $this.filter(":last").next().find("a");
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}
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}
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addButton.on('click', addInlineClickHandler);
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};
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const addInlineClickHandler = function(e) {
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e.preventDefault();
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const template = $("#" + options.prefix + "-empty");
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const row = template.clone(true);
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row.removeClass(options.emptyCssClass)
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.addClass(options.formCssClass)
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.attr("id", options.prefix + "-" + nextIndex);
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addInlineDeleteButton(row);
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row.find("*").each(function() {
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updateElementIndex(this, options.prefix, totalForms.val());
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});
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// Insert the new form when it has been fully edited.
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row.insertBefore($(template));
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// Update number of total forms.
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$(totalForms).val(parseInt(totalForms.val(), 10) + 1);
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nextIndex += 1;
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// Hide the add button if there's a limit and it's been reached.
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if ((maxForms.val() !== '') && (maxForms.val() - totalForms.val()) <= 0) {
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addButton.parent().hide();
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}
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// Show the remove buttons if there are more than min_num.
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toggleDeleteButtonVisibility(row.closest('.inline-group'));
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// Pass the new form to the post-add callback, if provided.
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if (options.added) {
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options.added(row);
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}
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$(document).trigger('formset:added', [row, options.prefix]);
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};
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/**
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* The "X" button that is part of every unsaved inline.
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* (When saved, it is replaced with a "Delete" checkbox.)
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*/
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const addInlineDeleteButton = function(row) {
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if (row.is("tr")) {
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// If the forms are laid out in table rows, insert
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// the remove button into the last table cell:
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row.children(":last").append('<div><a class="' + options.deleteCssClass + '" href="#">' + options.deleteText + "</a></div>");
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} else if (row.is("ul") || row.is("ol")) {
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// If they're laid out as an ordered/unordered list,
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// insert an <li> after the last list item:
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row.append('<li><a class="' + options.deleteCssClass + '" href="#">' + options.deleteText + "</a></li>");
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} else {
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// Otherwise, just insert the remove button as the
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// last child element of the form's container:
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row.children(":first").append('<span><a class="' + options.deleteCssClass + '" href="#">' + options.deleteText + "</a></span>");
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}
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// Add delete handler for each row.
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row.find("a." + options.deleteCssClass).on('click', inlineDeleteHandler.bind(this));
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};
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const inlineDeleteHandler = function(e1) {
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e1.preventDefault();
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const deleteButton = $(e1.target);
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const row = deleteButton.closest('.' + options.formCssClass);
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const inlineGroup = row.closest('.inline-group');
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// Remove the parent form containing this button,
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// and also remove the relevant row with non-field errors:
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const prevRow = row.prev();
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if (prevRow.length && prevRow.hasClass('row-form-errors')) {
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prevRow.remove();
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}
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row.remove();
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nextIndex -= 1;
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// Pass the deleted form to the post-delete callback, if provided.
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if (options.removed) {
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options.removed(row);
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}
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$(document).trigger('formset:removed', [row, options.prefix]);
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// Update the TOTAL_FORMS form count.
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const forms = $("." + options.formCssClass);
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$("#id_" + options.prefix + "-TOTAL_FORMS").val(forms.length);
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// Show add button again once below maximum number.
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if ((maxForms.val() === '') || (maxForms.val() - forms.length) > 0) {
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addButton.parent().show();
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}
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// Hide the remove buttons if at min_num.
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toggleDeleteButtonVisibility(inlineGroup);
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// Also, update names and ids for all remaining form controls so
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// they remain in sequence:
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let i, formCount;
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const updateElementCallback = function() {
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updateElementIndex(this, options.prefix, i);
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};
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for (i = 0, formCount = forms.length; i < formCount; i++) {
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updateElementIndex($(forms).get(i), options.prefix, i);
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$(forms.get(i)).find("*").each(updateElementCallback);
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}
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};
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const toggleDeleteButtonVisibility = function(inlineGroup) {
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if ((minForms.val() !== '') && (minForms.val() - totalForms.val()) >= 0) {
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inlineGroup.find('.inline-deletelink').hide();
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} else {
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inlineGroup.find('.inline-deletelink').show();
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}
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};
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$this.each(function(i) {
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$(this).not("." + options.emptyCssClass).addClass(options.formCssClass);
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});
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// Create the delete buttons for all unsaved inlines:
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$this.filter('.' + options.formCssClass + ':not(.has_original):not(.' + options.emptyCssClass + ')').each(function() {
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addInlineDeleteButton($(this));
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});
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toggleDeleteButtonVisibility($this);
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// Create the add button, initially hidden.
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addButton = options.addButton;
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addInlineAddButton();
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// Show the add button if allowed to add more items.
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// Note that max_num = None translates to a blank string.
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const showAddButton = maxForms.val() === '' || (maxForms.val() - totalForms.val()) > 0;
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if ($this.length && showAddButton) {
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addButton.parent().show();
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} else {
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addButton.parent().hide();
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}
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return this;
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};
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/* Setup plugin defaults */
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$.fn.formset.defaults = {
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prefix: "form", // The form prefix for your django formset
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addText: "add another", // Text for the add link
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deleteText: "remove", // Text for the delete link
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addCssClass: "add-row", // CSS class applied to the add link
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deleteCssClass: "delete-row", // CSS class applied to the delete link
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emptyCssClass: "empty-row", // CSS class applied to the empty row
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formCssClass: "dynamic-form", // CSS class applied to each form in a formset
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added: null, // Function called each time a new form is added
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removed: null, // Function called each time a form is deleted
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addButton: null // Existing add button to use
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};
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// Tabular inlines ---------------------------------------------------------
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$.fn.tabularFormset = function(selector, options) {
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const $rows = $(this);
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const reinitDateTimeShortCuts = function() {
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// Reinitialize the calendar and clock widgets by force
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if (typeof DateTimeShortcuts !== "undefined") {
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$(".datetimeshortcuts").remove();
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DateTimeShortcuts.init();
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}
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};
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const updateSelectFilter = function() {
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// If any SelectFilter widgets are a part of the new form,
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// instantiate a new SelectFilter instance for it.
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if (typeof SelectFilter !== 'undefined') {
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$('.selectfilter').each(function(index, value) {
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const namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length - 1], false);
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});
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$('.selectfilterstacked').each(function(index, value) {
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const namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length - 1], true);
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});
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}
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};
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const initPrepopulatedFields = function(row) {
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row.find('.prepopulated_field').each(function() {
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const field = $(this),
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input = field.find('input, select, textarea'),
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dependency_list = input.data('dependency_list') || [],
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dependencies = [];
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$.each(dependency_list, function(i, field_name) {
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dependencies.push('#' + row.find('.field-' + field_name).find('input, select, textarea').attr('id'));
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});
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if (dependencies.length) {
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input.prepopulate(dependencies, input.attr('maxlength'));
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}
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});
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};
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$rows.formset({
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prefix: options.prefix,
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addText: options.addText,
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formCssClass: "dynamic-" + options.prefix,
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deleteCssClass: "inline-deletelink",
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deleteText: options.deleteText,
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emptyCssClass: "empty-form",
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added: function(row) {
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initPrepopulatedFields(row);
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reinitDateTimeShortCuts();
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updateSelectFilter();
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},
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addButton: options.addButton
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});
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return $rows;
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};
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// Stacked inlines ---------------------------------------------------------
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$.fn.stackedFormset = function(selector, options) {
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const $rows = $(this);
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const updateInlineLabel = function(row) {
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$(selector).find(".inline_label").each(function(i) {
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const count = i + 1;
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$(this).html($(this).html().replace(/(#\d+)/g, "#" + count));
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});
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};
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const reinitDateTimeShortCuts = function() {
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// Reinitialize the calendar and clock widgets by force, yuck.
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if (typeof DateTimeShortcuts !== "undefined") {
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$(".datetimeshortcuts").remove();
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DateTimeShortcuts.init();
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}
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};
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const updateSelectFilter = function() {
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// If any SelectFilter widgets were added, instantiate a new instance.
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if (typeof SelectFilter !== "undefined") {
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$(".selectfilter").each(function(index, value) {
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const namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length - 1], false);
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});
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$(".selectfilterstacked").each(function(index, value) {
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const namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length - 1], true);
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});
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}
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};
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const initPrepopulatedFields = function(row) {
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row.find('.prepopulated_field').each(function() {
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const field = $(this),
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input = field.find('input, select, textarea'),
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dependency_list = input.data('dependency_list') || [],
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dependencies = [];
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$.each(dependency_list, function(i, field_name) {
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dependencies.push('#' + row.find('.form-row .field-' + field_name).find('input, select, textarea').attr('id'));
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});
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if (dependencies.length) {
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input.prepopulate(dependencies, input.attr('maxlength'));
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}
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});
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};
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$rows.formset({
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prefix: options.prefix,
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addText: options.addText,
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formCssClass: "dynamic-" + options.prefix,
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deleteCssClass: "inline-deletelink",
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deleteText: options.deleteText,
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emptyCssClass: "empty-form",
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removed: updateInlineLabel,
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added: function(row) {
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initPrepopulatedFields(row);
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reinitDateTimeShortCuts();
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updateSelectFilter();
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updateInlineLabel(row);
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},
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addButton: options.addButton
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});
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return $rows;
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};
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$(document).ready(function() {
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$(".js-inline-admin-formset").each(function() {
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const data = $(this).data(),
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inlineOptions = data.inlineFormset;
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let selector;
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switch(data.inlineType) {
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case "stacked":
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selector = inlineOptions.name + "-group .inline-related";
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$(selector).stackedFormset(selector, inlineOptions.options);
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break;
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case "tabular":
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selector = inlineOptions.name + "-group .tabular.inline-related tbody:first > tr.form-row";
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$(selector).tabularFormset(selector, inlineOptions.options);
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break;
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}
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});
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});
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}
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