188 lines
9 KiB
JavaScript
188 lines
9 KiB
JavaScript
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/**
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* GRAPPELLI INLINES
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* jquery-plugin for inlines (stacked and tabular)
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*/
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(function($) {
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$.fn.grp_inline = function(options) {
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var 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: "grp-add-handler", // CSS class applied to the add link
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removeCssClass: "grp-remove-handler", // CSS class applied to the remove link
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deleteCssClass: "grp-delete-handler", // CSS class applied to the delete link
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emptyCssClass: "grp-empty-form", // CSS class applied to the empty row
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formCssClass: "grp-dynamic-form", // CSS class applied to each form in a formset
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predeleteCssClass: "grp-predelete",
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onBeforeInit: function(form) {}, // Function called before a form is initialized
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onBeforeAdded: function(inline) {}, // Function called before a form is added
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onBeforeRemoved: function(form) {}, // Function called before a form is removed
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onBeforeDeleted: function(form) {}, // Function called before a form is deleted
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onAfterInit: function(form) {}, // Function called after a form has been initialized
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onAfterAdded: function(form) {}, // Function called after a form has been added
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onAfterRemoved: function(inline) {}, // Function called after a form has been removed
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onAfterDeleted: function(form) {} // Function called after a form has been deleted
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};
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options = $.extend(defaults, options);
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return this.each(function() {
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var inline = $(this); // the current inline node
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var totalForms = inline.find("#id_" + options.prefix + "-TOTAL_FORMS");
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// set autocomplete to off in order to prevent the browser from keeping the current value after reload
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totalForms.attr("autocomplete", "off");
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// init inline and add-buttons
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initInlineForms(inline, options);
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initAddButtons(inline, options);
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// button handlers
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addButtonHandler(inline.find("a." + options.addCssClass), options);
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removeButtonHandler(inline.find("a." + options.removeCssClass), options);
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deleteButtonHandler(inline.find("a." + options.deleteCssClass), options);
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});
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};
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updateFormIndex = function(elem, options, replace_regex, replace_with) {
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elem.find(':input,span,table,iframe,label,a,ul,p,img,div').each(function() {
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var node = $(this),
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node_id = node.attr('id'),
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node_name = node.attr('name'),
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node_for = node.attr('for'),
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node_href = node.attr("href"),
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node_class = node.attr("class"),
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node_onclick = node.attr("onclick");
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if (node_id) { node.attr('id', node_id.replace(replace_regex, replace_with)); }
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if (node_name) { node.attr('name', node_name.replace(replace_regex, replace_with)); }
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if (node_for) { node.attr('for', node_for.replace(replace_regex, replace_with)); }
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if (node_href) { node.attr('href', node_href.replace(replace_regex, replace_with)); }
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if (node_class) { node.attr('class', node_class.replace(replace_regex, replace_with)); }
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if (node_onclick) { node.attr('onclick', node_onclick.replace(replace_regex, replace_with)); }
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});
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};
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initInlineForms = function(elem, options) {
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elem.find("div.grp-module").each(function() {
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var form = $(this);
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// callback
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options.onBeforeInit(form);
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// add options.formCssClass to all forms in the inline
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// except table/theader/add-item
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if (form.attr('id') !== "") {
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form.not("." + options.emptyCssClass).not(".grp-table").not(".grp-thead").not(".add-item").addClass(options.formCssClass);
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}
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// add options.predeleteCssClass to forms with the delete checkbox checked
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form.find("li.grp-delete-handler-container input").each(function() {
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if ($(this).is(":checked") && form.hasClass("has_original")) {
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form.toggleClass(options.predeleteCssClass);
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}
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});
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// callback
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options.onAfterInit(form);
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});
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};
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initAddButtons = function(elem, options) {
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var totalForms = elem.find("#id_" + options.prefix + "-TOTAL_FORMS");
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var maxForms = elem.find("#id_" + options.prefix + "-MAX_NUM_FORMS");
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var addButtons = elem.find("a." + options.addCssClass);
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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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hideAddButtons(elem, options);
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}
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};
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addButtonHandler = function(elem, options) {
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elem.bind("click", function() {
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var inline = elem.parents(".grp-group"),
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totalForms = inline.find("#id_" + options.prefix + "-TOTAL_FORMS"),
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maxForms = inline.find("#id_" + options.prefix + "-MAX_NUM_FORMS"),
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addButtons = inline.find("a." + options.addCssClass),
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empty_template = inline.find("#" + options.prefix + "-empty");
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// callback
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options.onBeforeAdded(inline);
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// create new form
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var index = parseInt(totalForms.val(), 10),
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form = empty_template.clone(true);
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form.removeClass(options.emptyCssClass)
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.attr("id", empty_template.attr('id').replace("-empty", index));
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// update form index
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var re = /__prefix__/g;
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updateFormIndex(form, options, re, index);
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// after "__prefix__" strings has been substituted with the number
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// of the inline, we can add the form to DOM, not earlier.
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// This way we can support handlers that track live element
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// adding/removing, like those used in django-autocomplete-light
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form.insertBefore(empty_template)
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.addClass(options.formCssClass);
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// update total forms
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totalForms.val(index + 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() !== 0) && (maxForms.val() !== "") && (maxForms.val() - totalForms.val()) <= 0) {
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hideAddButtons(inline, options);
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}
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// callback
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options.onAfterAdded(form);
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});
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};
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removeButtonHandler = function(elem, options) {
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elem.bind("click", function() {
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var inline = elem.parents(".grp-group"),
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form = $(this).parents("." + options.formCssClass).first(),
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totalForms = inline.find("#id_" + options.prefix + "-TOTAL_FORMS"),
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maxForms = inline.find("#id_" + options.prefix + "-MAX_NUM_FORMS");
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// callback
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options.onBeforeRemoved(form);
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// remove form
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form.remove();
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// update total forms
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var index = parseInt(totalForms.val(), 10);
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totalForms.val(index - 1);
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// show add button in case we've dropped below max
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if ((maxForms.val() !== 0) && (maxForms.val() - totalForms.val()) > 0) {
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showAddButtons(inline, options);
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}
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// update form index (for all forms)
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var re = /-\d+-/g,
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i = 0;
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inline.find("." + options.formCssClass).each(function() {
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updateFormIndex($(this), options, re, "-" + i + "-");
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i++;
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});
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// callback
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options.onAfterRemoved(inline);
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});
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};
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deleteButtonHandler = function(elem, options) {
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elem.bind("click", function() {
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var deleteInput = $(this).prev(),
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form = $(this).parents("." + options.formCssClass).first();
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// callback
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options.onBeforeDeleted(form);
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// toggle options.predeleteCssClass and toggle checkbox
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if (form.hasClass("has_original")) {
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form.toggleClass(options.predeleteCssClass);
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if (deleteInput.prop("checked")) {
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deleteInput.removeAttr("checked");
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} else {
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deleteInput.prop("checked", true);
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}
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}
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// callback
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options.onAfterDeleted(form);
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});
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};
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hideAddButtons = function(elem, options) {
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var addButtons = elem.find("a." + options.addCssClass);
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addButtons.hide().parents('.grp-add-item').hide();
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};
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showAddButtons = function(elem, options) {
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var addButtons = elem.find("a." + options.addCssClass);
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addButtons.show().parents('.grp-add-item').show();
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};
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})(grp.jQuery);
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