processKeypress: function()

in src/Foundation/Theming/code/scripts/autoNumeric.js [711:768]

• 54 lines of code
• 30 McCabe index (conditional complexity)

        processKeypress: function () {
            var settingsClone = this.settingsClone,
                cCode = String.fromCharCode(this.which),
                parts = this.getBeforeAfterStriped(),
                left = parts[0],
                right = parts[1]; /** start rules when the decimal character key is pressed */
            /** always use numeric pad dot to insert decimal separator */
            if (cCode === settingsClone.aDec || (settingsClone.altDec && cCode === settingsClone.altDec) || ((cCode === '.' || cCode === ',') && this.kdCode === 110)) { /** do not allow decimal character if no decimal part allowed */
                if (!settingsClone.mDec || !settingsClone.aDec) {
                    return true;
                } /** do not allow decimal character before aNeg character */
                if (settingsClone.aNeg && right.indexOf(settingsClone.aNeg) > -1) {
                    return true;
                } /** do not allow decimal character if other decimal character present */
                if (left.indexOf(settingsClone.aDec) > -1) {
                    return true;
                }
                if (right.indexOf(settingsClone.aDec) > 0) {
                    return true;
                }
                if (right.indexOf(settingsClone.aDec) === 0) {
                    right = right.substr(1);
                }
                this.setValueParts(left + settingsClone.aDec, right);
                return true;
            }
            /**
             * start rule on negative sign & prevent minus if not allowed
             */
            if (cCode === '-' || cCode === '+') {
                if (!settingsClone.aNeg) {
                    return true;
                } /** caret is always after minus */
                if (left === '' && right.indexOf(settingsClone.aNeg) > -1) {
                    left = settingsClone.aNeg;
                    right = right.substring(1, right.length);
                } /** change sign of number, remove part if should */
                if (left.charAt(0) === settingsClone.aNeg) {
                    left = left.substring(1, left.length);
                } else {
                    left = (cCode === '-') ? settingsClone.aNeg + left : left;
                }
                this.setValueParts(left, right);
                return true;
            } /** digits */
            if (cCode >= '0' && cCode <= '9') { /** if try to insert digit before minus */
                if (settingsClone.aNeg && left === '' && right.indexOf(settingsClone.aNeg) > -1) {
                    left = settingsClone.aNeg;
                    right = right.substring(1, right.length);
                }
                if (settingsClone.vMax <= 0 && settingsClone.vMin < settingsClone.vMax && this.value.indexOf(settingsClone.aNeg) === -1 && cCode !== '0') {
                    left = settingsClone.aNeg + left;
                }
                this.setValueParts(left + cCode, right);
                return true;
            } /** prevent any other character */
            return true;
        },