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[auf_framonde.git] / eggs / Django-1.4.5-py2.7.egg / django / contrib / admin / static / admin / js / inlines.js
1 /**
2 * Django admin inlines
3 *
4 * Based on jQuery Formset 1.1
5 * @author Stanislaus Madueke (stan DOT madueke AT gmail DOT com)
6 * @requires jQuery 1.2.6 or later
7 *
8 * Copyright (c) 2009, Stanislaus Madueke
9 * All rights reserved.
10 *
11 * Spiced up with Code from Zain Memon's GSoC project 2009
12 * and modified for Django by Jannis Leidel
13 *
14 * Licensed under the New BSD License
15 * See: http://www.opensource.org/licenses/bsd-license.php
16 */
17 (function($) {
18 $.fn.formset = function(opts) {
19 var options = $.extend({}, $.fn.formset.defaults, opts);
20 var updateElementIndex = function(el, prefix, ndx) {
21 var id_regex = new RegExp("(" + prefix + "-(\\d+|__prefix__))");
22 var replacement = prefix + "-" + ndx;
23 if ($(el).attr("for")) {
24 $(el).attr("for", $(el).attr("for").replace(id_regex, replacement));
25 }
26 if (el.id) {
27 el.id = el.id.replace(id_regex, replacement);
28 }
29 if (el.name) {
30 el.name = el.name.replace(id_regex, replacement);
31 }
32 };
33 var totalForms = $("#id_" + options.prefix + "-TOTAL_FORMS").attr("autocomplete", "off");
34 var nextIndex = parseInt(totalForms.val());
35 var maxForms = $("#id_" + options.prefix + "-MAX_NUM_FORMS").attr("autocomplete", "off");
36 // only show the add button if we are allowed to add more items,
37 // note that max_num = None translates to a blank string.
38 var showAddButton = maxForms.val() == '' || (maxForms.val()-totalForms.val()) > 0;
39 $(this).each(function(i) {
40 $(this).not("." + options.emptyCssClass).addClass(options.formCssClass);
41 });
42 if ($(this).length && showAddButton) {
43 var addButton;
44 if ($(this).attr("tagName") == "TR") {
45 // If forms are laid out as table rows, insert the
46 // "add" button in a new table row:
47 var numCols = this.eq(0).children().length;
48 $(this).parent().append('<tr class="' + options.addCssClass + '"><td colspan="' + numCols + '"><a href="javascript:void(0)">' + options.addText + "</a></tr>");
49 addButton = $(this).parent().find("tr:last a");
50 } else {
51 // Otherwise, insert it immediately after the last form:
52 $(this).filter(":last").after('<div class="' + options.addCssClass + '"><a href="javascript:void(0)">' + options.addText + "</a></div>");
53 addButton = $(this).filter(":last").next().find("a");
54 }
55 addButton.click(function() {
56 var totalForms = $("#id_" + options.prefix + "-TOTAL_FORMS");
57 var template = $("#" + options.prefix + "-empty");
58 var row = template.clone(true);
59 row.removeClass(options.emptyCssClass)
60 .addClass(options.formCssClass)
61 .attr("id", options.prefix + "-" + nextIndex);
62 if (row.is("tr")) {
63 // If the forms are laid out in table rows, insert
64 // the remove button into the last table cell:
65 row.children(":last").append('<div><a class="' + options.deleteCssClass +'" href="javascript:void(0)">' + options.deleteText + "</a></div>");
66 } else if (row.is("ul") || row.is("ol")) {
67 // If they're laid out as an ordered/unordered list,
68 // insert an <li> after the last list item:
69 row.append('<li><a class="' + options.deleteCssClass +'" href="javascript:void(0)">' + options.deleteText + "</a></li>");
70 } else {
71 // Otherwise, just insert the remove button as the
72 // last child element of the form's container:
73 row.children(":first").append('<span><a class="' + options.deleteCssClass + '" href="javascript:void(0)">' + options.deleteText + "</a></span>");
74 }
75 row.find("*").each(function() {
76 updateElementIndex(this, options.prefix, totalForms.val());
77 });
78 // Insert the new form when it has been fully edited
79 row.insertBefore($(template));
80 // Update number of total forms
81 $(totalForms).val(parseInt(totalForms.val()) + 1);
82 nextIndex += 1;
83 // Hide add button in case we've hit the max, except we want to add infinitely
84 if ((maxForms.val() != '') && (maxForms.val()-totalForms.val()) <= 0) {
85 addButton.parent().hide();
86 }
87 // The delete button of each row triggers a bunch of other things
88 row.find("a." + options.deleteCssClass).click(function() {
89 // Remove the parent form containing this button:
90 var row = $(this).parents("." + options.formCssClass);
91 row.remove();
92 nextIndex -= 1;
93 // If a post-delete callback was provided, call it with the deleted form:
94 if (options.removed) {
95 options.removed(row);
96 }
97 // Update the TOTAL_FORMS form count.
98 var forms = $("." + options.formCssClass);
99 $("#id_" + options.prefix + "-TOTAL_FORMS").val(forms.length);
100 // Show add button again once we drop below max
101 if ((maxForms.val() == '') || (maxForms.val()-forms.length) > 0) {
102 addButton.parent().show();
103 }
104 // Also, update names and ids for all remaining form controls
105 // so they remain in sequence:
106 for (var i=0, formCount=forms.length; i<formCount; i++)
107 {
108 updateElementIndex($(forms).get(i), options.prefix, i);
109 $(forms.get(i)).find("*").each(function() {
110 updateElementIndex(this, options.prefix, i);
111 });
112 }
113 return false;
114 });
115 // If a post-add callback was supplied, call it with the added form:
116 if (options.added) {
117 options.added(row);
118 }
119 return false;
120 });
121 }
122 return this;
123 }
124 /* Setup plugin defaults */
125 $.fn.formset.defaults = {
126 prefix: "form", // The form prefix for your django formset
127 addText: "add another", // Text for the add link
128 deleteText: "remove", // Text for the delete link
129 addCssClass: "add-row", // CSS class applied to the add link
130 deleteCssClass: "delete-row", // CSS class applied to the delete link
131 emptyCssClass: "empty-row", // CSS class applied to the empty row
132 formCssClass: "dynamic-form", // CSS class applied to each form in a formset
133 added: null, // Function called each time a new form is added
134 removed: null // Function called each time a form is deleted
135 }
136 })(django.jQuery);