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https://vc73freudenberg.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?ver=2.8

js vc73freudenberg.de collected 2026-10-09 23:36:53 UTC 38,085 bytes, 992 lines download raw bytes

1"use strict";
2
3let cf7signature_resized = 0; // for compatibility with contact-form-7-signature-addon
4
5let wpcf7cf_timeout;
6let wpcf7cf_change_time_ms = 100; // the timeout after a change in the form is detected
7
8// needed for multistep validation
9if (window.wpcf7 && !wpcf7.setStatus) {
10    wpcf7.setStatus = ( form, status ) => {
11        form = form.length ? form[0] : form; // if form is a jQuery object, only grab te html-element
12        const defaultStatuses = new Map( [
13            // 0: Status in API response, 1: Status in HTML class
14            [ 'init', 'init' ],
15            [ 'validation_failed', 'invalid' ],
16            [ 'acceptance_missing', 'unaccepted' ],
17            [ 'spam', 'spam' ],
18            [ 'aborted', 'aborted' ],
19            [ 'mail_sent', 'sent' ],
20            [ 'mail_failed', 'failed' ],
21            [ 'submitting', 'submitting' ],
22            [ 'resetting', 'resetting' ],
23        ] );
24    
25        if ( defaultStatuses.has( status ) ) {
26            status = defaultStatuses.get( status );
27        }
28    
29        if ( ! Array.from( defaultStatuses.values() ).includes( status ) ) {
30            status = status.replace( /[^0-9a-z]+/i, ' ' ).trim();
31            status = status.replace( /\s+/, '-' );
32            status = `custom-${ status }`;
33        }
34    
35        const prevStatus = form.getAttribute( 'data-status' );
36    
37        form.wpcf7.status = status;
38        form.setAttribute( 'data-status', status );
39        form.classList.add( status );
40    
41        if ( prevStatus && prevStatus !== status ) {
42            form.classList.remove( prevStatus );
43        }
44    
45        return status;
46    };
47}
48
49if (window.wpcf7cf_running_tests) {
50    document.querySelectorAll('input[name="_wpcf7cf_options"]').forEach(input => {
51        const opt = JSON.parse(input.value);
52        opt.settings.animation_intime = 0;
53        opt.settings.animation_outtime = 0;
54        input.value = JSON.stringify(opt);
55    });
56    wpcf7cf_change_time_ms = 0;
57}
58
59const wpcf7cf_show_animation = { "height": "show", "marginTop": "show", "marginBottom": "show", "paddingTop": "show", "paddingBottom": "show" };
60const wpcf7cf_hide_animation = { "height": "hide", "marginTop": "hide", "marginBottom": "hide", "paddingTop": "hide", "paddingBottom": "hide" };
61
62const wpcf7cf_show_step_animation = { "opacity": "show" };
63const wpcf7cf_hide_step_animation = { "opacity": "hide" };
64
65const wpcf7cf_change_events = 'input.wpcf7cf paste.wpcf7cf change.wpcf7cf click.wpcf7cf propertychange.wpcf7cf changedisabledprop.wpcf7cf';
66
67const wpcf7cf_forms = [];
68
69const Wpcf7cfForm = function(formElement) {
70
71    const $form = jQuery(formElement);
72
73    const options_element = $form.find('input[name="_wpcf7cf_options"]').eq(0);
74    if (!options_element.length || !options_element.val()) {
75        // doesn't look like a CF7 form created with conditional fields plugin enabled.
76        return false;
77    }
78
79    const form = this;
80
81    // always wait until groups are updated before submitting the form
82    formElement.addEventListener('submit', function(e) {
83        if (window.wpcf7cf_updatingGroups) {
84            e.preventDefault();
85            e.stopImmediatePropagation();
86
87            // Wait until updatingGroups is false, then submit again
88            const retry = () => {
89                if (!window.wpcf7cf_updatingGroups) {
90                    $form.off('.wpcf7cf-autosubmit'); // prevent duplicates
91                    formElement.requestSubmit(); // safe submit
92                } else {
93                    requestAnimationFrame(retry);
94                }
95            };
96
97            // Attach listener to prevent loop if user resubmits manually
98            $form.on('submit.wpcf7cf-autosubmit', (e) => e.preventDefault());
99
100            retry(); // start retry loop
101            return false;
102        }
103    }, true); // use capture to run before WP's own handler
104
105    // Disable submit buttons only during the actual submit, then restore prior state — don't clobber CF7's acceptance gating or any custom disabling (#136)
106    const submitButtons = formElement.querySelectorAll('button[type=submit], input[type=submit]');
107    const prevDisabled = new WeakMap();
108    let wasSubmitting = formElement.classList.contains('submitting');
109    const observer = new MutationObserver(() => {
110        const isSubmitting = formElement.classList.contains('submitting');
111        if (isSubmitting === wasSubmitting) return; // only act on the submitting transition
112        wasSubmitting = isSubmitting;
113
114        submitButtons.forEach(button => {
115            if (isSubmitting) {
116                prevDisabled.set(button, button.disabled);
117                button.disabled = true;
118                button.classList.add('is-disabled');
119            } else {
120                button.disabled = prevDisabled.get(button) || false;
121                button.classList.remove('is-disabled');
122            }
123        });
124    });
125    observer.observe(formElement, { attributes: true, attributeFilter: ['class'] });
126
127    const form_options = JSON.parse(options_element.val());
128
129    form.$form = $form;
130    form.formElement = formElement;
131    form.$input_hidden_group_fields = $form.find('[name="_wpcf7cf_hidden_group_fields"]');
132    form.$input_hidden_groups = $form.find('[name="_wpcf7cf_hidden_groups"]');
133    form.$input_visible_groups = $form.find('[name="_wpcf7cf_visible_groups"]');
134    form.$input_repeaters = $form.find('[name="_wpcf7cf_repeaters"]');
135    form.$input_steps = $form.find('[name="_wpcf7cf_steps"]');
136
137    form.unit_tag = $form.closest('.wpcf7').attr('id');
138    form.conditions = form_options['conditions'];
139
140    form.simpleDom = null;
141
142    form.reloadSimpleDom = function() {
143        form.simpleDom = wpcf7cf.get_simplified_dom_model(form.formElement);
144    }
145
146    // quicker than reloading the simpleDom completely with reloadSimpleDom
147    form.updateSimpleDom = function() {
148        if (!form.simpleDom) {
149            form.reloadSimpleDom();
150        }
151        const inputs = Object.values(form.simpleDom).filter(item => item.type === 'input');
152        const formdata = new FormData(form.formElement);
153
154        let formdataEntries = [... formdata.entries()].map(entry => [ entry[0], entry[1].name ?? entry[1] ]);
155        const buttonEntries = Array.from(form.formElement.querySelectorAll('button'), b => [b.name, b.value]);
156        formdataEntries = formdataEntries.concat(buttonEntries);
157
158        inputs.forEach(simpleDomItem => {
159            const newValue = form.getNewDomValueIfChanged(simpleDomItem, formdataEntries);
160            if (newValue !== null) {
161                form.simpleDom[simpleDomItem.name].val = newValue;
162            }
163        });
164
165    }
166
167    form.isDomMatch = function(simpleDomItem, formDataEntries) {
168        const simpleDomItemName = simpleDomItem.name;
169        const simpleDomItemValues = simpleDomItem.val;
170        const currentValues = formDataEntries.filter(entry => entry[0] === simpleDomItemName).map(entry => entry[1]);
171        return currentValues.join('|') === simpleDomItemValues.join('|');
172    }
173
174    /**
175     * 
176     * @param {*} simpleDomItem 
177     * @param {*} formDataEntries 
178     * @returns the new value, or NULL if no change
179     */
180    form.getNewDomValueIfChanged = function(simpleDomItem, formDataEntries) {
181        const simpleDomItemName = simpleDomItem.name;
182        const simpleDomItemValues = simpleDomItem.val;
183        const currentValues = formDataEntries.filter(entry => entry[0] === simpleDomItemName).map(entry => entry[1]);
184        return currentValues.join('|') === simpleDomItemValues.join('|') ? null : currentValues;
185    }
186
187    // Wrapper around jQuery(selector, form.$form)
188    form.get = function (selector) {
189        // TODO: implement some caching here.
190        return jQuery(selector, form.$form);
191    }
192
193    form.getFieldByName = function(name) {
194        return form.simpleDom[name] || form.simpleDom[name+'[]'];
195    }
196
197    // compatibility with conditional forms created with older versions of the plugin ( < 1.4 )
198    for (let i=0; i < form.conditions.length; i++) {
199        const condition = form.conditions[i];
200        if (!('and_rules' in condition)) {
201            condition.and_rules = [{'if_field':condition.if_field,'if_value':condition.if_value,'operator':condition.operator}];
202        }
203    }
204
205    form.initial_conditions = form.conditions;
206    form.settings = form_options['settings'];
207
208    form.$groups = jQuery(); // empty jQuery set
209    form.repeaters = [];
210    form.multistep = null;
211    form.fields = [];
212
213    form.settings.animation_intime = parseInt(form.settings.animation_intime);
214    form.settings.animation_outtime = parseInt(form.settings.animation_outtime);
215
216    if (form.settings.animation === 'no') {
217        form.settings.animation_intime = 0;
218        form.settings.animation_outtime = 0;
219    }
220
221    form.updateGroups();
222    form.updateEventListeners();
223    form.displayFields();
224
225    // bring form in initial state if the reset event is fired on it.
226    // (CF7 triggers the 'reset' event by default on each successfully submitted form)
227    form.$form.on('reset.wpcf7cf', form, function(e) {
228        const form = e.data;
229        setTimeout(function(){
230            form.reloadSimpleDom();
231            form.displayFields();
232            form.resetRepeaters();
233            if (form.multistep != null) {
234                form.multistep.moveToStep(1, false);
235            }
236            setTimeout(function(){
237                if (form.$form.hasClass('sent')) {
238                    jQuery('.wpcf7-response-output', form.$form)[0].scrollIntoView({behavior: "smooth", block:"nearest", inline:"nearest"});
239                }
240            }, 400);
241        },200);
242    });
243
244    
245
246}
247
248/**
249 * reset initial number of subs for each repeater.
250 * (does not clear values)
251 */
252Wpcf7cfForm.prototype.resetRepeaters = function() {
253    const form = this;
254    form.repeaters.forEach(repeater => {
255        repeater.updateSubs( repeater.params.$repeater.initial_subs );
256    });
257}
258
259Wpcf7cfForm.prototype.displayFields = function() {
260
261    const form = this;
262
263    const wpcf7cf_conditions = this.conditions;
264    const wpcf7cf_settings = this.settings;
265
266    //for compatibility with contact-form-7-signature-addon
267    if (cf7signature_resized === 0 && typeof signatures !== 'undefined' && signatures.constructor === Array && signatures.length > 0 ) {
268        for (let i = 0; i < signatures.length; i++) {
269            if (signatures[i].canvas.width === 0) {
270
271                const $sig_canvas = jQuery(".wpcf7-form-control-signature-body>canvas");
272                const $sig_wrap = jQuery(".wpcf7-form-control-signature-wrap");
273                $sig_canvas.eq(i).attr('width',  $sig_wrap.width());
274                $sig_canvas.eq(i).attr('height', $sig_wrap.height());
275
276                cf7signature_resized = 1;
277            }
278        }
279    }
280
281    // 'novalidate' makes CF7 skip inline validation inside hidden groups (issue #137)
282    form.$groups.addClass('wpcf7cf-hidden novalidate');
283
284    for (let i=0; i < wpcf7cf_conditions.length; i++) {
285
286        const condition = wpcf7cf_conditions[i];
287
288        const show_group = window.wpcf7cf.should_group_be_shown(condition, form);
289
290        if (show_group) {
291            form.get('[data-id="'+condition.then_field+'"]').removeClass('wpcf7cf-hidden novalidate');
292        }
293    }
294
295
296    const animation_intime = wpcf7cf_settings.animation_intime;
297    const animation_outtime = wpcf7cf_settings.animation_outtime;
298
299    form.$groups.each(function (index) {
300        const $group = jQuery(this);
301        if ($group.is(':animated')) {
302            $group.finish(); // stop any current animations on the group
303        }
304        if ($group.css('display') === 'none' && !$group.hasClass('wpcf7cf-hidden')) {
305            // drop CF7 validation errors on fields when group is hidden
306            $group.find('.wpcf7-not-valid-tip').remove();
307            $group.find('[aria-invalid]').attr('aria-invalid', 'false');
308            $group.find('.wpcf7-not-valid').removeClass('wpcf7-not-valid').each(function() {
309                jQuery(document.getElementById(this.getAttribute('aria-describedby'))).remove();
310                this.removeAttribute('aria-describedby');
311                if (typeof this.setCustomValidity === 'function') this.setCustomValidity('');
312            });
313
314            if ($group.prop('tagName') === 'SPAN') {
315                $group.show().trigger('wpcf7cf_show_group'); // show instantly
316            } else {
317                $group.animate(wpcf7cf_show_animation, animation_intime).trigger('wpcf7cf_show_group'); // show with animation
318            }
319
320            if($group.attr('data-disable_on_hide') !== undefined) {
321                $group.find(':input').prop('disabled', false).trigger('changedisabledprop.wpcf7cf');
322                $group.find('.wpcf7-form-control-wrap').removeClass('wpcf7cf-disabled');
323            }
324
325        } else if ($group.css('display') !== 'none' && $group.hasClass('wpcf7cf-hidden')) {
326
327            if ($group.attr('data-clear_on_hide') !== undefined) {
328                const $inputs = jQuery(':input', $group).not(':button, :submit, :reset, :hidden');
329
330                $inputs.each(function(){
331                    const $this = jQuery(this);
332                    $this.val(this.defaultValue);
333                    $this.prop('checked', this.defaultChecked);
334                });
335
336                jQuery('option', $group).each(function() {
337                    this.selected = this.defaultSelected;
338                });
339
340                jQuery('select', $group).each(function() {
341                    const $select = jQuery(this);
342                    if ($select.val() === null) {
343                        $select.val(jQuery("option:first",$select).val());
344                    }
345                });
346
347                $inputs.each(function(){this.dispatchEvent(new Event("change",{"bubbles":true}))});
348            }
349
350            if ($group.prop('tagName') === 'SPAN') {
351                $group.hide().trigger('wpcf7cf_hide_group');
352            } else {
353                $group.animate(wpcf7cf_hide_animation, animation_outtime).trigger('wpcf7cf_hide_group'); // hide
354            }
355        }
356    });
357
358    form.updateHiddenFields();
359    
360    form.updateSummaryFields();
361};
362
363
364
365Wpcf7cfForm.prototype.updateSummaryFields = function() {
366    const form = this;
367    const $summary = form.get('.wpcf7cf-summary');
368
369    if ($summary.length == 0 || !$summary.is(':visible')) { 
370        return;
371    }
372
373    const fd = new FormData();
374
375    const formdata = form.$form.serializeArray();
376    jQuery.each(formdata,function(key, input){
377        fd.append(input.name, input.value);
378    });
379
380    // Make sure to add file fields to FormData
381    jQuery.each(form.$form.find('input[type="file"]'), function(index, el) {
382        if (! el.files.length) return true; // continue
383        const fieldName = el.name;
384        fd.append(fieldName, new Blob() , Array.from(el.files).map(file => file.name).join(', '));
385    });
386
387    // add file fields to form-data
388
389    jQuery.ajax({
390        url: wpcf7cf_global_settings.ajaxurl + '?action=wpcf7cf_get_summary',
391        type: 'POST',
392        data: fd,
393        processData: false,
394        contentType: false,
395        dataType: 'json',
396        success: function(json) {
397            $summary.html(json.summaryHtml);
398        }
399    });
400};
401
402Wpcf7cfForm.prototype.updateHiddenFields = function() {
403
404    const form = this;
405
406    const hidden_fields = [];
407    const hidden_groups = [];
408    const visible_groups = [];
409
410    form.$groups.each(function () {
411        const $group = jQuery(this);
412        if ($group.hasClass('wpcf7cf-hidden')) {
413            hidden_groups.push($group.attr('data-id'));
414            if($group.attr('data-disable_on_hide') !== undefined) {
415                // fields inside hidden disable_on_hide group
416                $group.find('input,select,textarea').each(function(){
417                    const $this = jQuery(this);
418                    if (!$this.prop('disabled')) {
419                        $this.prop('disabled', true).trigger('changedisabledprop.wpcf7cf');
420                    }
421
422                    // if there's no other field with the same name visible in the form
423                    // then push this field to hidden_fields
424                    if (form.$form.find(`[data-class="wpcf7cf_group"]:not(.wpcf7cf-hidden) [name='${$this.attr('name')}']`).length === 0) {
425                        hidden_fields.push($this.attr('name'));
426                    }
427                })
428                $group.find('.wpcf7-form-control-wrap').addClass('wpcf7cf-disabled');
429            } else {
430                // fields inside regular hidden group are all pushed to hidden_fields
431                $group.find('input,select,textarea').each(function () {
432                    hidden_fields.push(jQuery(this).attr('name'));
433                });
434            }
435        } else {
436            visible_groups.push($group.attr('data-id'));
437        }
438    });
439
440    form.hidden_fields = hidden_fields;
441    form.hidden_groups = hidden_groups;
442    form.visible_groups = visible_groups;
443
444    form.$input_hidden_group_fields.val(JSON.stringify(hidden_fields));
445    form.$input_hidden_groups.val(JSON.stringify(hidden_groups));
446    form.$input_visible_groups.val(JSON.stringify(visible_groups));
447
448    return true;
449};
450Wpcf7cfForm.prototype.updateGroups = function() {
451    const form = this;
452    form.$groups = form.$form.find('[data-class="wpcf7cf_group"]');
453    form.$groups.height('auto');
454    form.conditions = window.wpcf7cf.get_nested_conditions(form);
455
456};
457Wpcf7cfForm.prototype.updateEventListeners = function() {
458
459    const form = this;
460
461    // monitor input changes, and call displayFields() if something has changed
462    form.get('input, select, textarea, button').not('.wpcf7cf_add, .wpcf7cf_remove').off(wpcf7cf_change_events).on(wpcf7cf_change_events,form, function(e) {
463        window.wpcf7cf_updatingGroups = true; // while this is true, don't allow the form to be submitted.
464        const form = e.data;
465        clearTimeout(wpcf7cf_timeout);
466        wpcf7cf_timeout = setTimeout(function() {
467            window.wpcf7cf.updateMultistepState(form.multistep);
468            form.updateSimpleDom();
469            form.displayFields();
470            window.wpcf7cf_updatingGroups = false;
471        }, wpcf7cf_change_time_ms);
472    });
473
474    
475};
476
477
478
479// matches an ISO date (YYYY-MM-DD) as submitted by CF7's [date] field
480const wpcf7cf_date_regex = /^\d{4}-\d{2}-\d{2}$/;
481function wpcf7cf_isDateString(v) {
482    return typeof v === 'string' && wpcf7cf_date_regex.test(v) && !isNaN(Date.parse(v));
483}
484
485/**
486 * @global
487 * @namespace wpcf7cf
488 */
489window.wpcf7cf = {
490
491    hideGroup : function($group, animate) {
492
493    },
494
495    showGroup : function($group, animate) {
496
497    },
498
499    updateRepeaterSubHTML : function(html, oldSuffix, newSuffix, parentRepeaters) {
500        const oldIndexes = oldSuffix.split('__');
501        oldIndexes.shift(); // remove first empty element
502        const newIndexes = newSuffix.split('__');
503        newIndexes.shift(); // remove first empty element
504
505        let returnHtml = html;
506
507        if (
508            oldIndexes && newIndexes &&
509            oldIndexes.length === parentRepeaters.length &&
510            newIndexes.length === parentRepeaters.length
511        ) {
512
513            const parentRepeatersInfo = parentRepeaters.map((repeaterId, i) => {
514                return {[repeaterId.split('__')[0]]: [oldIndexes[i], newIndexes[i]]};
515            });
516
517            const length = parentRepeatersInfo.length;
518
519            let replacements = oldIndexes.map( (oldIndex, i) => {
520                return [
521                    '__'+oldIndexes.slice(0,length-i).join('__'),
522                    '__'+newIndexes.slice(0,length-i).join('__'),
523                ];
524            });
525
526            
527            for (let i=0; i<length ; i++) {
528                const id = Object.keys(parentRepeatersInfo[i])[0];
529                const find = parentRepeatersInfo[i][id][0];
530                const repl = parentRepeatersInfo[i][id][1];
531                replacements.push([
532                    `<span class="wpcf7cf-index wpcf7cf__${id}">${find}<\\/span>`,
533                    `<span class="wpcf7cf-index wpcf7cf__${id}">${repl}</span>`
534                ]);
535            }
536            
537            replacements.forEach( ([oldSuffix, newSuffix]) => {
538                returnHtml = returnHtml.replace(new RegExp(oldSuffix,'g'), newSuffix);
539            });
540
541        }
542
543        return returnHtml ;
544    },
545
546    // keep this for backwards compatibility
547    initForm : function($forms) {
548        $forms.each(function(){
549            const formElement = this;
550            // only add form is its class is "wpcf7-form" and if the form was not previously added
551            if (
552                formElement.classList.contains('wpcf7-form') &&
553                !wpcf7cf_forms.some((form)=>{ return form.$form.get(0) === formElement; })
554            ) {
555                wpcf7cf_forms.push(new Wpcf7cfForm(formElement));
556            }
557        });
558    },
559
560    getWpcf7cfForm : function ($form) {
561        const matched_forms = wpcf7cf_forms.filter((form)=>{
562            return form.$form.get(0) === $form.get(0);
563        });
564        if (matched_forms.length) {
565            return matched_forms[0];
566        }
567        return false;
568    },
569
570    get_nested_conditions : function(form) {
571        const conditions = form.initial_conditions;
572        //loop trough conditions. Then loop trough the dom, and each repeater we pass we should update all sub_values we encounter with __index
573        form.reloadSimpleDom();
574        const groups = Object.values(form.simpleDom).filter(function(item, i) {
575            return item.type==='group';
576        });
577
578        let sub_conditions = [];
579
580        for(let i = 0;  i < groups.length; i++) {
581            const g = groups[i];
582            let relevant_conditions = conditions.filter(function(condition, i) {
583                return condition.then_field === g.original_name;
584            });
585            
586            relevant_conditions = relevant_conditions.map(function(item,i) {
587                return {
588                    then_field : g.name,
589                    and_rules : item.and_rules.map(function(and_rule, i) {
590                        return {
591                            if_field : and_rule.if_field+g.suffix,
592                            if_value : and_rule.if_value,
593                            operator : and_rule.operator
594                        };
595                    })
596                }
597            });
598
599            sub_conditions = sub_conditions.concat(relevant_conditions);
600        }
601        return sub_conditions;
602    },
603
604    get_simplified_dom_model : function(currentNode, simplified_dom = {}, parentGroups = [], parentRepeaters = []) {
605
606
607        const type = currentNode.classList && currentNode.classList.contains('wpcf7cf_repeater') ? 'repeater' :
608            currentNode.dataset.class == 'wpcf7cf_group' ? 'group' :
609            currentNode.className == 'wpcf7cf_step' ? 'step' :
610            currentNode.hasAttribute('name') ? 'input' : false;
611
612        let newParentRepeaters = [...parentRepeaters];
613        let newParentGroups = [...parentGroups];
614
615        if (type) {
616
617            const name = type === 'input' ? currentNode.getAttribute('name') : currentNode.dataset.id;
618            
619            if (type === 'repeater') {
620                newParentRepeaters.push(name);
621            }
622            if (type === 'group') {
623                newParentGroups.push(name);
624            }
625
626            // skip _wpcf7 hidden fields
627            if (name.substring(0,6) === '_wpcf7') return {};
628    
629            const original_name = type === 'repeater' || type === 'group' ? currentNode.dataset.orig_data_id
630                                    : type === 'input' ? (currentNode.getAttribute('data-orig_name') || name)
631                                    : name;
632    
633            const nameWithoutBrackets = name.replace('[]','');
634            const originalNameWithoutBrackets = original_name.replace('[]','');
635    
636            const val = type === 'step' ? [currentNode.dataset.id.substring(5)] : [];
637    
638            const suffix = nameWithoutBrackets.replace(originalNameWithoutBrackets, '');
639    
640            if (!simplified_dom[name]) {
641                // init entry
642                simplified_dom[name] = {name, type, original_name, suffix, val, parentGroups, parentRepeaters}
643            }
644    
645            if (type === 'input') {
646    
647                // skip unchecked checkboxes and radiobuttons
648                if ( (currentNode.type === 'checkbox' || currentNode.type === 'radio') && !currentNode.checked ) return {};
649    
650                // if multiselect, make sure to add all the values
651                if ( currentNode.multiple && currentNode.options ) {
652                    simplified_dom[name].val = Object.values(currentNode.options).filter(o => o.selected).map(o => o.value)
653                } else {
654                    simplified_dom[name].val.push(currentNode.value);
655                }
656            }
657        }
658        
659        // can't use currentNode.children (because then field name cannot be "children")
660        const getter = Object.getOwnPropertyDescriptor(Element.prototype, "children").get;
661        const children = getter.call(currentNode);
662
663        Array.from(children).forEach(childNode => {
664            const dom = wpcf7cf.get_simplified_dom_model(childNode, simplified_dom, newParentGroups, newParentRepeaters);
665            simplified_dom = {...dom, ...simplified_dom} ;
666        });
667
668        return simplified_dom;
669    },
670
671    updateMultistepState: function (multistep) {
672        if (multistep == null) return;
673        if (multistep.form.$form.hasClass('submitting')) return;
674
675        // update hidden input field
676
677        const stepsData = {
678            currentStep : multistep.currentStep,
679            numSteps : multistep.numSteps,
680            fieldsInCurrentStep : multistep.getFieldsInStep(multistep.currentStep)
681        };
682        multistep.form.$input_steps.val(JSON.stringify(stepsData));
683
684        // update Buttons
685        multistep.$btn_prev.removeClass('disabled').attr('disabled', false);
686        multistep.$btn_next.removeClass('disabled').attr('disabled', false);
687        if (multistep.currentStep == multistep.numSteps) {
688            multistep.$btn_next.addClass('disabled').attr('disabled', true);
689        }
690        if (multistep.currentStep == 1) {
691            multistep.$btn_prev.addClass('disabled').attr('disabled', true);
692        }
693
694        const $current_step = multistep.$steps.eq(multistep.currentStep - 1);
695        const prev_text = $current_step.attr('data-prev-button-text');
696        const next_text = $current_step.attr('data-next-button-text');
697        if (prev_text !== undefined) multistep.$btn_prev.text(prev_text);
698        if (next_text !== undefined) multistep.$btn_next.text(next_text);
699
700        // replace next button with submit button on last step.
701        // TODO: make this depend on a setting
702        const $submit_button = multistep.form.$form.find('input[type="submit"]:last').eq(0);
703        const $ajax_loader = multistep.form.$form.find('.wpcf7-spinner').eq(0);
704
705        $submit_button.detach().prependTo(multistep.$btn_next.parent());
706        $ajax_loader.detach().prependTo(multistep.$btn_next.parent());
707
708        if (multistep.currentStep == multistep.numSteps) {
709            multistep.$btn_next.hide();
710            $submit_button.show();
711        } else {
712            $submit_button.hide();
713            multistep.$btn_next.show();
714        }
715
716        // update dots
717        const $dots = multistep.$dots.find('.dot');
718        $dots.removeClass('active').removeClass('completed');
719        for(let step = 1; step <= multistep.numSteps; step++) {
720            if (step < multistep.currentStep) {
721                $dots.eq(step-1).addClass('completed');
722            } else if (step == multistep.currentStep) {
723                $dots.eq(step-1).addClass('active');
724            }
725        }
726
727    },
728
729    should_group_be_shown : function(condition, form) {
730
731        let show_group = true;
732        let atLeastOneFieldFound = false;
733
734        for (let and_rule_i = 0; and_rule_i < condition.and_rules.length; and_rule_i++) {
735
736            let condition_ok = false;
737
738            const condition_and_rule = condition.and_rules[and_rule_i];
739
740            const inputField = form.getFieldByName(condition_and_rule.if_field);
741
742            if (!inputField) continue; // field not found
743
744            atLeastOneFieldFound = true;
745
746            const if_val = condition_and_rule.if_value;
747            let operator = condition_and_rule.operator;
748
749            //backwards compat
750            operator = operator === '≤' ? 'less than or equals' : operator;
751            operator = operator === '≥' ? 'greater than or equals' : operator;
752            operator = operator === '>' ? 'greater than' : operator;
753            operator = operator === '<' ? 'less than' : operator;
754
755            const $field = operator === 'function' && jQuery(`[name="${inputField.name}"]`).eq(0);
756
757            condition_ok = this.isConditionTrue(inputField.val,operator,if_val, $field);
758
759            show_group = show_group && condition_ok;
760        }
761
762        return show_group && atLeastOneFieldFound;
763
764    },
765
766    isConditionTrue(values, operator, testValue='', $field=jQuery()) {
767
768        if (!Array.isArray(values)) {
769            values = [values];
770        }
771
772        let condition_ok = false; // start by assuming that the condition is not met
773
774        // Considered EMPTY:       []     ['']          [null]        ['',null]    [,,'']
775        // Considered NOT EMPTY:   [0]    ['ab','c']    ['',0,null]
776        const valuesAreEmpty = values.length === 0 || values.every((v) => !v&&v!==0); // 0 is not considered empty
777
778        // special cases: [] equals '' => TRUE; [] not equals '' => FALSE
779        if (operator === 'equals' && testValue === '' && valuesAreEmpty)  {
780            return true;
781        }
782        if (operator === 'not equals' && testValue === '' && valuesAreEmpty) {
783            return false;
784        }
785
786        if (valuesAreEmpty) {
787            if (operator === 'is empty') {
788                condition_ok = true;
789            }
790        } else {
791            if (operator === 'not empty') {
792                condition_ok = true;
793            }
794        }
795
796        const testValueNumber = isFinite(parseFloat(testValue)) ? parseFloat(testValue) : NaN;
797        const testValueIsDate = wpcf7cf_isDateString(testValue);
798
799
800        if (operator === 'not equals' || operator === 'not equals (regex)') {
801            // start by assuming that the condition is met
802            condition_ok = true;
803        }
804
805        if (
806            operator === 'function'
807            && typeof window[testValue] == 'function'
808            && window[testValue]($field) // here we call the actual user defined function
809        ) {
810            condition_ok = true;
811        }
812
813        let regex_patt = /.*/i; // fallback regex pattern
814        let isValidRegex = true;
815        if (operator === 'equals (regex)' || operator === 'not equals (regex)') {
816            try {
817                regex_patt = new RegExp(testValue, 'i');
818            } catch(e) {
819                isValidRegex = false;
820            }
821        }
822
823
824        for(let i = 0; i < values.length; i++) {
825
826            const value = values[i];
827
828            const valueNumber = isFinite(parseFloat(value)) ? parseFloat(value) : NaN;
829            const valsAreNumbers = !isNaN(valueNumber) && !isNaN(testValueNumber);
830
831            // when both sides are ISO dates, compare chronologically instead of by parseFloat (which reads only the year)
832            const valueIsDate = wpcf7cf_isDateString(value);
833            const compareAsDates = testValueIsDate && valueIsDate;
834            const left = compareAsDates ? Date.parse(value) : valueNumber;
835            const right = compareAsDates ? Date.parse(testValue) : testValueNumber;
836            // a date on one side and a plain number on the other are not comparable
837            const comparable = compareAsDates || (valsAreNumbers && testValueIsDate === valueIsDate);
838
839            if (
840
841                operator === 'equals' && value === testValue ||
842                operator === 'equals (regex)' && regex_patt.test(value) ||
843                operator === 'greater than' && comparable && left > right ||
844                operator === 'less than' && comparable && left < right ||
845                operator === 'greater than or equals' && comparable && left >= right ||
846                operator === 'less than or equals' && comparable && left <= right
847
848            ) {
849
850                condition_ok = true;
851                break;
852
853            } else if (
854
855                operator === 'not equals' && value === testValue ||
856                operator === 'not equals (regex)' && regex_patt.test(value)
857
858            ) {
859
860                condition_ok = false;
861                break;
862
863            }
864        }
865
866        return condition_ok;
867
868    },
869
870    getFormObj($form) {
871        if (typeof $form === 'string') {
872            $form = jQuery($form).eq(0);
873        }
874        return wpcf7cf.getWpcf7cfForm($form);
875    },
876
877    getRepeaterObj($form, repeaterDataId) {
878        const form = wpcf7cf.getFormObj($form);
879        const repeater = form.repeaters.find( repeater => repeater.params.$repeater.attr('data-id') === repeaterDataId );
880
881        return repeater;
882
883    },
884
885    getMultiStepObj($form){
886        const form = wpcf7cf.getFormObj($form);
887        return form.multistep;
888    },
889
890    /**
891     * Append a new sub-entry to the repeater with the name `repeaterDataId` inside the form `$form`
892     * @memberof wpcf7cf
893     * @function wpcf7cf.repeaterAddSub
894     * @link
895     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
896     * @param {String} repeaterDataId - *data-id* attribute of the repeater. Normally this is simply the name of the repeater. However, in case of a nested repeater you need to append the name with the correct suffix. For example `my-nested-repeater__1__3`. Hint (check the `data-id` attribute in the HTML code to find the correct suffix)
897     */
898    repeaterAddSub($form,repeaterDataId) {
899        const repeater = wpcf7cf.getRepeaterObj($form, repeaterDataId);
900        repeater.updateSubs(repeater.params.$repeater.num_subs+1);
901    },
902
903    /**
904     * Insert a new sub-entry at the given `index` of the repeater with the name `repeaterDataId` inside the form `$form`
905     * @memberof wpcf7cf
906     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
907     * @param {String} repeaterDataId - *data-id* attribute of the repeater.
908     * @param {Number} index - position where to insert the new sub-entry within the repeater
909     */
910    repeaterAddSubAtIndex($form,repeaterDataId,index) {
911        const repeater = wpcf7cf.getRepeaterObj($form, repeaterDataId);
912        repeater.addSubs(1, index);
913    },
914
915    /**
916     * Remove the sub-entry at the given `index` of the repeater with the *data-id* attribute of `repeaterDataId` inside the form `$form`
917     * @memberof wpcf7cf
918     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
919     * @param {String} repeaterDataId - *data-id* attribute of the repeater.
920     * @param {Number} index - position where to insert the new sub-entry within the repeater
921     */
922    repeaterRemoveSubAtIndex($form,repeaterDataId,index) {
923        const repeater = wpcf7cf.getRepeaterObj($form, repeaterDataId);
924        repeater.removeSubs(1, index);
925    },
926
927    /**
928     * Remove the last sub-entry from the repeater with the *data-id* attribute of `repeaterDataId` inside the form `$form`
929     * @memberof wpcf7cf
930     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
931     * @param {String} repeaterDataId - *data-id* attribute of the repeater.
932     * @param {Number} index - position where to insert the new sub-entry within the repeater
933     */ 
934    repeaterRemoveSub($form,repeaterDataId) {
935        const repeater = wpcf7cf.getRepeaterObj($form, repeaterDataId);
936        repeater.updateSubs(repeater.params.$repeater.num_subs-1);
937    },
938
939    /**
940     * Set the number of subs for the repeater with the *data-id* attribute of `repeaterDataId` inside the form `$form`.
941     * Subs are either appended to or removed from the end of the repeater.
942     * @memberof wpcf7cf
943     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
944     * @param {String} repeaterDataId - *data-id* attribute of the repeater.
945     * @param {Number} numberOfSubs - position where to insert the new sub-entry within the repeater
946     */ 
947    repeaterSetNumberOfSubs($form, repeaterDataId, numberOfSubs) {
948        const repeater = wpcf7cf.getRepeaterObj($form, repeaterDataId);
949        repeater.updateSubs(numberOfSubs);
950    },
951
952    /**
953     * Move to step number `step`, ignoring any validation.
954     * @memberof wpcf7cf
955     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
956     * @param {*} step 
957     */
958    multistepMoveToStep($form, step) {
959        const multistep = wpcf7cf.getMultiStepObj($form);
960        multistep.moveToStep(step); 
961    },
962
963    /**
964     * Validate the current step, and move to step number `step` if val
964idation passes.
965     * @memberof wpcf7cf
966     * @param {String|JQuery} $form - JQuery object or css-selector representing the form
967     * @param {Number} step 
968     */
969    async multistepMoveToStepWithValidation($form, step) {
970        const multistep = wpcf7cf.getMultiStepObj($form);
971
972        const result = await multistep.validateStep(multistep.currentStep);
973        if (result === 'success') {
974            multistep.moveToStep(step); 
975        }
976    },
977
978    
979
980};
981
982document.querySelectorAll('.wpcf7-form').forEach(function(formElement){
983    wpcf7cf_forms.push(new Wpcf7cfForm(formElement));
984});
985
986// Call displayFields again on all forms
987// Necessary in case some theme or plugin changed a form value by the time the entire page is fully loaded.
988document.addEventListener('DOMContentLoaded', function () {
989    wpcf7cf_forms.forEach(function(f){
990        f.displayFields();
991    });
992});

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