/*global gettext, interpolate, ngettext*/
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(function ($) {
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'use strict';
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var lastChecked;
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$.fn.actions = function (opts) {
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var options = $.extend({}, $.fn.actions.defaults, opts);
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var actionCheckboxes = $(this);
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var list_editable_changed = false;
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var showQuestion = function () {
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$(options.acrossClears).hide();
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$(options.acrossQuestions).show();
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$(options.allContainer).hide();
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},
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showClear = function () {
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$(options.acrossClears).show();
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$(options.acrossQuestions).hide();
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$(options.actionContainer).toggleClass(options.selectedClass);
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$(options.allContainer).show();
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$(options.counterContainer).hide();
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},
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reset = function () {
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$(options.acrossClears).hide();
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$(options.acrossQuestions).hide();
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$(options.allContainer).hide();
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$(options.counterContainer).show();
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},
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clearAcross = function () {
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reset();
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$(options.acrossInput).val(0);
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$(options.actionContainer).removeClass(options.selectedClass);
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},
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checker = function (checked) {
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if (checked) {
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showQuestion();
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} else {
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reset();
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}
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$(actionCheckboxes).prop("checked", checked)
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.parent().parent().toggleClass(options.selectedClass, checked);
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},
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updateCounter = function () {
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var sel = $(actionCheckboxes).filter(":checked").length;
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// data-actions-icnt is defined in the generated HTML
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// and contains the total amount of objects in the queryset
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var actions_icnt = $('.action-counter').data('actionsIcnt');
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$(options.counterContainer).html(interpolate(
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ngettext('%(sel)s of %(cnt)s selected', '%(sel)s of %(cnt)s selected', sel), {
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sel: sel,
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cnt: actions_icnt
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}, true));
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$(options.allToggle).prop("checked", function () {
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var value;
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if (sel === actionCheckboxes.length) {
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value = true;
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showQuestion();
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} else {
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value = false;
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clearAcross();
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}
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return value;
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});
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};
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// Show counter by default
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$(options.counterContainer).show();
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// Check state of checkboxes and reinit state if needed
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$(this).filter(":checked").each(function (i) {
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$(this).parent().parent().toggleClass(options.selectedClass);
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updateCounter();
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if ($(options.acrossInput).val() === 1) {
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showClear();
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}
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});
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$(options.allToggle).show().click(function () {
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checker($(this).prop("checked"));
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updateCounter();
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});
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$("a", options.acrossQuestions).click(function (event) {
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event.preventDefault();
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$(options.acrossInput).val(1);
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showClear();
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});
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$("a", options.acrossClears).click(function (event) {
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event.preventDefault();
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$(options.allToggle).prop("checked", false);
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clearAcross();
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checker(0);
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updateCounter();
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});
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lastChecked = null;
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$(actionCheckboxes).click(function (event) {
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if (!event) {
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event = window.event;
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}
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var target = event.target ? event.target : event.srcElement;
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if (lastChecked && $.data(lastChecked) !== $.data(target) && event.shiftKey === true) {
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var inrange = false;
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$(lastChecked).prop("checked", target.checked)
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.parent().parent().toggleClass(options.selectedClass, target.checked);
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$(actionCheckboxes).each(function () {
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if ($.data(this) === $.data(lastChecked) || $.data(this) === $.data(target)) {
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inrange = (inrange) ? false : true;
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}
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if (inrange) {
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$(this).prop("checked", target.checked)
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.parent().parent().toggleClass(options.selectedClass, target.checked);
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}
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});
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}
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$(target).parent().parent().toggleClass(options.selectedClass, target.checked);
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lastChecked = target;
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updateCounter();
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});
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$('form#changelist-form table#result_list tr').on('change', 'td:gt(0) :input', function () {
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list_editable_changed = true;
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});
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$('form#changelist-form button[name="index"]').click(function (event) {
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if (list_editable_changed) {
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return confirm(gettext("You have unsaved changes on individual editable fields. If you run an action, your unsaved changes will be lost."));
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}
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});
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$('form#changelist-form input[name="_save"]').click(function (event) {
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var action_changed = false;
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$('select option:selected', options.actionContainer).each(function () {
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if ($(this).val()) {
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action_changed = true;
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}
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});
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if (action_changed) {
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if (list_editable_changed) {
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return confirm(gettext("You have selected an action, but you haven't saved your changes to individual fields yet. Please click OK to save. You'll need to re-run the action."));
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} else {
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return confirm(gettext("You have selected an action, and you haven't made any changes on individual fields. You're probably looking for the Go button rather than the Save button."));
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}
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}
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});
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};
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/* Setup plugin defaults */
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$.fn.actions.defaults = {
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actionContainer: "div.actions",
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counterContainer: "span.action-counter",
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allContainer: "div.actions span.all",
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acrossInput: "div.actions input.select-across",
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acrossQuestions: "div.actions span.question",
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acrossClears: "div.actions span.clear",
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allToggle: "#action-toggle",
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selectedClass: "selected"
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};
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$(document).ready(function () {
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var $actionsEls = $('tr input.action-select');
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if ($actionsEls.length > 0) {
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$actionsEls.actions();
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}
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});
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})(django.jQuery);
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