tabulator-tables/dist/js/modules/validate.js

Interactive table generation JavaScript library

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/* Tabulator v4.3.0 (c) Oliver Folkerd */

var Validate = function Validate(table) {
	this.table = table;
};

//validate
Validate.prototype.initializeColumn = function (column) {
	var self = this,
	    config = [],
	    validator;

	if (column.definition.validator) {

		if (Array.isArray(column.definition.validator)) {
			column.definition.validator.forEach(function (item) {
				validator = self._extractValidator(item);

				if (validator) {
					config.push(validator);
				}
			});
		} else {
			validator = this._extractValidator(column.definition.validator);

			if (validator) {
				config.push(validator);
			}
		}

		column.modules.validate = config.length ? config : false;
	}
};

Validate.prototype._extractValidator = function (value) {
	var parts, type, params;

	switch (typeof value === "undefined" ? "undefined" : _typeof(value)) {
		case "string":
			parts = value.split(":", 2);
			type = parts.shift();
			params = parts[0];

			return this._buildValidator(type, params);
			break;

		case "function":
			return this._buildValidator(value);
			break;

		case "object":
			return this._buildValidator(value.type, value.parameters);
			break;
	}
};

Validate.prototype._buildValidator = function (type, params) {

	var func = typeof type == "function" ? type : this.validators[type];

	if (!func) {
		console.warn("Validator Setup Error - No matching validator found:", type);
		return false;
	} else {
		return {
			type: typeof type == "function" ? "function" : type,
			func: func,
			params: params
		};
	}
};

Validate.prototype.validate = function (validators, cell, value) {
	var self = this,
	    valid = [];

	if (validators) {
		validators.forEach(function (item) {
			if (!item.func.call(self, cell, value, item.params)) {
				valid.push({
					type: item.type,
					parameters: item.params
				});
			}
		});
	}

	return valid.length ? valid : true;
};

Validate.prototype.validators = {

	//is integer
	integer: function integer(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		value = Number(value);
		return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
	},

	//is float
	float: function float(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		value = Number(value);
		return typeof value === 'number' && isFinite(value) && value % 1 !== 0;
	},

	//must be a number
	numeric: function numeric(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		return !isNaN(value);
	},

	//must be a string
	string: function string(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		return isNaN(value);
	},

	//maximum value
	max: function max(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		return parseFloat(value) <= parameters;
	},

	//minimum value
	min: function min(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		return parseFloat(value) >= parameters;
	},

	//minimum string length
	minLength: function minLength(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		return String(value).length >= parameters;
	},

	//maximum string length
	maxLength: function maxLength(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		return String(value).length <= parameters;
	},

	//in provided value list
	in: function _in(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		if (typeof parameters == "string") {
			parameters = parameters.split("|");
		}

		return value === "" || parameters.indexOf(value) > -1;
	},

	//must match provided regex
	regex: function regex(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		var reg = new RegExp(parameters);

		return reg.test(value);
	},

	//value must be unique in this column
	unique: function unique(cell, value, parameters) {
		if (value === "" || value === null || typeof value === "undefined") {
			return true;
		}
		var unique = true;

		var cellData = cell.getData();
		var column = cell.getColumn()._getSelf();

		this.table.rowManager.rows.forEach(function (row) {
			var data = row.getData();

			if (data !== cellData) {
				if (value == column.getFieldValue(data)) {
					unique = false;
				}
			}
		});

		return unique;
	},

	//must have a value
	required: function required(cell, value, parameters) {
		return value !== "" && value !== null && typeof value !== "undefined";
	}
};

Tabulator.prototype.registerModule("validate", Validate);