279 lines
8.8 KiB
JavaScript
279 lines
8.8 KiB
JavaScript
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var __gf_timeout_handle;
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function gf_apply_rules(formId, fields, isInit){
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var rule_applied = 0;
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for(var i=0; i < fields.length; i++){
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gf_apply_field_rule(formId, fields[i], isInit, function(){
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rule_applied++;
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if(rule_applied == fields.length){
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jQuery(document).trigger('gform_post_conditional_logic', [formId, fields, isInit]);
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if(window["gformCalculateTotalPrice"])
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window["gformCalculateTotalPrice"](formId);
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}
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});
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}
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}
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function gf_check_field_rule(formId, fieldId, isInit, callback){
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//if conditional logic is not specified for that field, it is supposed to be displayed
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if(!window["gf_form_conditional_logic"][formId] || !window["gf_form_conditional_logic"][formId]["logic"][fieldId])
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return "show";
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var conditionalLogic = window["gf_form_conditional_logic"][formId]["logic"][fieldId];
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var action = gf_get_field_action(formId, conditionalLogic["section"]);
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//If section is hidden, always hide field. If section is displayed, see if field is supposed to be displayed or hidden
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if(action != "hide")
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action = gf_get_field_action(formId, conditionalLogic["field"]);
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return action;
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}
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function gf_apply_field_rule(formId, fieldId, isInit, callback){
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action = gf_check_field_rule(formId, fieldId, isInit, callback);
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gf_do_field_action(formId, action, fieldId, isInit, callback);
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var conditionalLogic = window["gf_form_conditional_logic"][formId]["logic"][fieldId];
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//perform conditional logic for the next button
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if(conditionalLogic["nextButton"]){
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action = gf_get_field_action(formId, conditionalLogic["nextButton"]);
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gf_do_next_button_action(formId, action, fieldId, isInit);
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}
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}
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function gf_get_field_action(formId, conditionalLogic){
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if(!conditionalLogic)
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return "show";
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var matches = 0;
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for(var i = 0; i < conditionalLogic["rules"].length; i++){
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var rule = conditionalLogic["rules"][i];
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if(gf_is_match(formId, rule))
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matches++;
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}
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var action;
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if( (conditionalLogic["logicType"] == "all" && matches == conditionalLogic["rules"].length) || (conditionalLogic["logicType"] == "any" && matches > 0) )
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action = conditionalLogic["actionType"];
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else
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action = conditionalLogic["actionType"] == "show" ? "hide" : "show";
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return action;
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}
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function gf_is_match(formId, rule){
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var inputs = jQuery("#input_" + formId + "_" + rule["fieldId"] + " input");
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if(inputs.length > 0){
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//handling checkboxes
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for(var i=0; i< inputs.length; i++){
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var fieldValue = gf_get_value(jQuery(inputs[i]).val());
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//find specific checkbox item
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if(fieldValue != rule["value"])
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continue;
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//blank value if item isn't checked
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if(!jQuery(inputs[i]).is(":checked"))
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fieldValue = "";
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if(gf_matches_operation(fieldValue, rule["value"], rule["operator"]))
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return true;
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}
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}
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else{
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//handling all other fields (non-checkboxes)
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var val = jQuery("#input_" + formId + "_" + rule["fieldId"]).val();
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//transform regular value into array to support multi-select (which returns an array of selected items)
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var values = (val instanceof Array) ? val : [val];
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for(var i=0; i < values.length; i++){
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var fieldValue = gf_get_value(values[i]);
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if(gf_matches_operation(fieldValue, rule["value"], rule["operator"]))
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return true;
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}
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}
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return false;
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}
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function gf_try_convert_float(text){
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var format = window["gf_number_format"] == "decimal_comma" ? "decimal_comma" : "decimal_dot";
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if(gformIsNumeric(text, format)){
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var decimal_separator = format == "decimal_comma" ? "," : ".";
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return gformCleanNumber(text, "", "", decimal_separator);
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}
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return text;
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}
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function gf_matches_operation(val1, val2, operation){
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val1 = val1 ? val1.toLowerCase() : "";
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val2 = val2 ? val2.toLowerCase() : "";
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switch(operation){
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case "is" :
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return val1 == val2;
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break;
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case "isnot" :
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return val1 != val2;
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break;
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case ">" :
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val1 = gf_try_convert_float(val1);
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val2 = gf_try_convert_float(val2);
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return val1 > val2;
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break;
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case "<" :
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val1 = gf_try_convert_float(val1);
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val2 = gf_try_convert_float(val2);
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return val1 < val2;
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break;
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case "contains" :
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return val1.indexOf(val2) >=0;
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break;
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case "starts_with" :
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return val1.indexOf(val2) ==0;
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break;
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case "ends_with" :
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var start = val1.length - val2.length;
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if(start < 0)
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return false;
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var tail = val1.substring(start);
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return val2 == tail;
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break;
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}
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return false;
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}
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function gf_get_value(val){
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if(!val)
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return "";
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val = val.split("|");
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return val[0];
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}
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function gf_do_field_action(formId, action, fieldId, isInit, callback){
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var conditional_logic = window["gf_form_conditional_logic"][formId];
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var dependent_fields = conditional_logic["dependents"][fieldId];
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for(var i=0; i < dependent_fields.length; i++){
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var targetId = fieldId == 0 ? "#gform_submit_button_" + formId : "#field_" + formId + "_" + dependent_fields[i];
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//calling callback function on the last dependent field, to make sure it is only called once
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do_callback = (i+1) == dependent_fields.length ? callback : null;
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gf_do_action(action, targetId, conditional_logic["animation"], conditional_logic["defaults"][dependent_fields[i]], isInit, do_callback);
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}
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}
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function gf_do_next_button_action(formId, action, fieldId, isInit){
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var conditional_logic = window["gf_form_conditional_logic"][formId];
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var targetId = "#gform_next_button_" + formId + "_" + fieldId;
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gf_do_action(action, targetId, conditional_logic["animation"], null, isInit);
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}
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function gf_do_action(action, targetId, useAnimation, defaultValues, isInit, callback){
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if(action == "show"){
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if(useAnimation && !isInit){
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if(jQuery(targetId).length > 0)
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jQuery(targetId).slideDown(callback);
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else if(callback)
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callback();
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}
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else{
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jQuery(targetId).show();
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if(callback){
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callback();
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}
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}
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}
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else{
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//if field is not already hidden, reset its values to the default
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var child = jQuery(targetId).children().first();
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if(!gformIsHidden(child)){
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gf_reset_to_default(targetId, defaultValues);
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}
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if(useAnimation && !isInit){
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if(jQuery(targetId).length > 0)
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jQuery(targetId).slideUp(callback);
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else if(callback)
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callback();
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}
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else{
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jQuery(targetId).hide();
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if(callback)
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callback();
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}
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}
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}
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function gf_reset_to_default(targetId, defaultValue){
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//cascading down conditional logic to children to suppport nested conditions
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//text fields and drop downs
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var target = jQuery(targetId).find('select, input[type="text"], input[type="number"], textarea');
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var target_index = 0;
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target.each(function(){
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var val = "";
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if(jQuery.isArray(defaultValue)){
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val = defaultValue[target_index];
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}
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else if(jQuery.isPlainObject(defaultValue)){
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val = defaultValue[jQuery(this).attr("name")];
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}
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else if(defaultValue){
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val = defaultValue;
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}
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jQuery(this).val(val).trigger('change');
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target_index++;
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});
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//checkboxes and radio buttons
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var elements = jQuery(targetId).find('input[type="radio"], input[type="checkbox"]');
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elements.each(function(){
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//is input currently checked?
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var isChecked = jQuery(this).is(':checked') ? true : false;
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//does input need to be marked as checked or unchecked?
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var doCheck = defaultValue ? jQuery.inArray(jQuery(this).attr('id'), defaultValue) > -1 : false;
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//if value changed, trigger click event
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if(isChecked != doCheck){
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//setting input as checked or unchecked appropriately
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jQuery(this).prop("checked", doCheck);
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//need to set the prop again after the click is triggered
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jQuery(this).trigger('click').prop('checked', doCheck);
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}
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});
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}
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