272 lines
11 KiB
JavaScript
272 lines
11 KiB
JavaScript
/**
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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: http://www.opensource.org/licenses/bsd-license.php
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*/
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(function($) {
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$.fn.formset = function(opts) {
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var options = $.extend({}, $.fn.formset.defaults, opts);
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var $this = $(this);
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var $parent = $this.parent();
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var updateElementIndex = function(el, prefix, ndx) {
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var id_regex = new RegExp("(" + prefix + "-(\\d+|__prefix__))");
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var replacement = prefix + "-" + ndx;
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if ($(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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var totalForms = $("#id_" + options.prefix + "-TOTAL_FORMS").prop("autocomplete", "off");
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var nextIndex = parseInt(totalForms.val(), 10);
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var maxForms = $("#id_" + options.prefix + "-MAX_NUM_FORMS").prop("autocomplete", "off");
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// only show the add button if we are allowed to add more items,
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// note that max_num = None translates to a blank string.
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var showAddButton = maxForms.val() === '' || (maxForms.val()-totalForms.val()) > 0;
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$this.each(function(i) {
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$(this).not("." + options.emptyCssClass).addClass(options.formCssClass);
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});
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if ($this.length && showAddButton) {
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var addButton;
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if ($this.prop("tagName") == "TR") {
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// If forms are laid out as table rows, insert the
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// "add" button in a new table row:
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var numCols = this.eq(-1).children().length;
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$parent.append('<tr class="' + options.addCssClass + '"><td colspan="' + numCols + '"><a href="javascript:void(0)">' + 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="javascript:void(0)">' + options.addText + "</a></div>");
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addButton = $this.filter(":last").next().find("a");
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}
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addButton.click(function(e) {
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e.preventDefault();
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var totalForms = $("#id_" + options.prefix + "-TOTAL_FORMS");
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var template = $("#" + options.prefix + "-empty");
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var 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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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="javascript:void(0)">' + 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="javascript:void(0)">' + 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="javascript:void(0)">' + options.deleteText + "</a></span>");
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}
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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 add button in case we've hit the max, except we want to add infinitely
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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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// The delete button of each row triggers a bunch of other things
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row.find("a." + options.deleteCssClass).click(function(e) {
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e.preventDefault();
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// Remove the parent form containing this button:
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var row = $(this).parents("." + options.formCssClass);
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row.remove();
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nextIndex -= 1;
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// If a post-delete callback was provided, call it with the deleted form:
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if (options.removed) {
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options.removed(row);
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}
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// Update the TOTAL_FORMS form count.
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var forms = $("." + options.formCssClass);
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$("#id_" + options.prefix + "-TOTAL_FORMS").val(forms.length);
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// Show add button again once we drop below max
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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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// Also, update names and ids for all remaining form controls
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// so they remain in sequence:
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for (var i=0, formCount=forms.length; i<formCount; i++)
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{
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updateElementIndex($(forms).get(i), options.prefix, i);
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$(forms.get(i)).find("*").each(function() {
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updateElementIndex(this, options.prefix, i);
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});
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}
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});
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// If a post-add callback was supplied, call it with the added form:
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if (options.added) {
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options.added(row);
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}
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});
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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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$.fn.formset.defaults = {
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prefix: "form", // The form prefix for your django formset
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addText: "add another", // Text for the add link
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deleteText: "remove", // Text for the delete link
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addCssClass: "add-row", // CSS class applied to the add link
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deleteCssClass: "delete-row", // CSS class applied to the delete link
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emptyCssClass: "empty-row", // CSS class applied to the empty row
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formCssClass: "dynamic-form", // CSS class applied to each form in a formset
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added: null, // Function called each time a new form is added
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removed: null // Function called each time a form is deleted
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};
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// Tabular inlines ---------------------------------------------------------
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$.fn.tabularFormset = function(options) {
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var $rows = $(this);
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var alternatingRows = function(row) {
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$($rows.selector).not(".add-row").removeClass("row1 row2")
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.filter(":even").addClass("row1").end()
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.filter(":odd").addClass("row2");
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};
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var reinitDateTimeShortCuts = function() {
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// Reinitialize the calendar and clock widgets by force
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if (typeof DateTimeShortcuts != "undefined") {
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$(".datetimeshortcuts").remove();
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DateTimeShortcuts.init();
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}
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};
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var 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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$('.selectfilter').each(function(index, value){
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var namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length-1], false, options.adminStaticPrefix );
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});
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$('.selectfilterstacked').each(function(index, value){
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var namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length-1], true, options.adminStaticPrefix );
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});
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}
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};
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var initPrepopulatedFields = function(row) {
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row.find('.prepopulated_field').each(function() {
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var 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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removed: alternatingRows,
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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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alternatingRows(row);
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}
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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(options) {
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var $rows = $(this);
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var updateInlineLabel = function(row) {
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$($rows.selector).find(".inline_label").each(function(i) {
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var count = i + 1;
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$(this).html($(this).html().replace(/(#\d+)/g, "#" + count));
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});
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};
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var reinitDateTimeShortCuts = function() {
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// Reinitialize the calendar and clock widgets by force, yuck.
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if (typeof DateTimeShortcuts != "undefined") {
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$(".datetimeshortcuts").remove();
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DateTimeShortcuts.init();
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}
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};
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var 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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$(".selectfilter").each(function(index, value){
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var namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length-1], false, options.adminStaticPrefix);
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});
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$(".selectfilterstacked").each(function(index, value){
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var namearr = value.name.split('-');
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SelectFilter.init(value.id, namearr[namearr.length-1], true, options.adminStaticPrefix);
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});
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}
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};
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var initPrepopulatedFields = function(row) {
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row.find('.prepopulated_field').each(function() {
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var 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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});
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return $rows;
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};
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})(django.jQuery);
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