2024-10-10

web/bsadmin/assets/js/lib/jsgrid/jsgrid.validation.js

@@ -0,0 +1,135 @@
+(function(jsGrid, $, undefined) {
+
+    function Validation(config) {
+        this._init(config);
+    }
+
+    Validation.prototype = {
+
+        _init: function(config) {
+            $.extend(true, this, config);
+        },
+
+        validate: function(args) {
+            var errors = [];
+
+            $.each(this._normalizeRules(args.rules), function(_, rule) {
+                if(rule.validator(args.value, args.item, rule.param))
+                    return;
+
+                var errorMessage = $.isFunction(rule.message) ? rule.message(args.value, args.item) : rule.message;
+                errors.push(errorMessage);
+            });
+
+            return errors;
+        },
+
+        _normalizeRules: function(rules) {
+            if(!$.isArray(rules))
+                rules = [rules];
+
+            return $.map(rules, $.proxy(function(rule) {
+                return this._normalizeRule(rule);
+            }, this));
+        },
+
+        _normalizeRule: function(rule) {
+            if(typeof rule === "string")
+                rule = { validator: rule };
+
+            if($.isFunction(rule))
+                rule = { validator: rule };
+
+            if($.isPlainObject(rule))
+                rule = $.extend({}, rule);
+            else
+                throw Error("wrong validation config specified");
+
+            if($.isFunction(rule.validator))
+                return rule;
+
+            return this._applyNamedValidator(rule, rule.validator);
+        },
+
+        _applyNamedValidator: function(rule, validatorName) {
+            delete rule.validator;
+
+            var validator = validators[validatorName];
+            if(!validator)
+                throw Error("unknown validator \"" + validatorName + "\"");
+
+            if($.isFunction(validator)) {
+                validator = { validator: validator };
+            }
+
+            return $.extend({}, validator, rule);
+        }
+    };
+
+    jsGrid.Validation = Validation;
+
+
+    var validators = {
+        required: {
+            message: "Field is required",
+            validator: function(value) {
+                return value !== undefined && value !== null && value !== "";
+            }
+        },
+
+        rangeLength: {
+            message: "Field value length is out of the defined range",
+            validator: function(value, _, param) {
+                return value.length >= param[0] && value.length <= param[1];
+            }
+        },
+
+        minLength: {
+            message: "Field value is too short",
+            validator: function(value, _, param) {
+                return value.length >= param;
+            }
+        },
+
+        maxLength: {
+            message: "Field value is too long",
+            validator: function(value, _, param) {
+                return value.length <= param;
+            }
+        },
+
+        pattern: {
+            message: "Field value is not matching the defined pattern",
+            validator: function(value, _, param) {
+                if(typeof param === "string") {
+                    param = new RegExp("^(?:" + param + ")$");
+                }
+                return param.test(value);
+            }
+        },
+
+        range: {
+            message: "Field value is out of the defined range",
+            validator: function(value, _, param) {
+                return value >= param[0] && value <= param[1];
+            }
+        },
+
+        min: {
+            message: "Field value is too small",
+            validator: function(value, _, param) {
+                return value >= param;
+            }
+        },
+
+        max: {
+            message: "Field value is too large",
+            validator: function(value, _, param) {
+                return value <= param;
+            }
+        }
+    };
+
+    jsGrid.validators = validators;
+
+}(jsGrid, jQuery));