devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (ui/number_box/number_box.mask.js)
* Version: 19.2.6
* Build date: Thu Jan 30 2020
*
* Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var eventsEngine = require("../../events/core/events_engine");
var extend = require("../../core/utils/extend").extend;
var isNumeric = require("../../core/utils/type").isNumeric;
var browser = require("../../core/utils/browser");
var devices = require("../../core/devices");
var fitIntoRange = require("../../core/utils/math").fitIntoRange;
var inRange = require("../../core/utils/math").inRange;
var escapeRegExp = require("../../core/utils/common").escapeRegExp;
var number = require("../../localization/number");
var maskCaret = require("./number_box.caret");
var getLDMLFormat = require("../../localization/ldml/number").getFormat;
var NumberBoxBase = require("./number_box.base");
var eventUtils = require("../../events/utils");
var typeUtils = require("../../core/utils/type");
var NUMBER_FORMATTER_NAMESPACE = "dxNumberFormatter";
var MOVE_FORWARD = 1;
var MOVE_BACKWARD = -1;
var MINUS = "-";
var MINUS_KEY = "minus";
var NUMPUD_MINUS_KEY_IE = "Subtract";
var INPUT_EVENT = "input";
var CARET_TIMEOUT_DURATION = browser.msie ? 300 : 0;
var ensureDefined = function(value, defaultValue) {
return void 0 === value ? defaultValue : value
};
var NumberBoxMask = NumberBoxBase.inherit({
_getDefaultOptions: function() {
return extend(this.callBase(), {
useMaskBehavior: true,
format: null
})
},
_isDeleteKey: function(key) {
return "del" === key
},
_supportedKeys: function() {
if (!this._useMaskBehavior()) {
return this.callBase()
}
var that = this;
return extend(this.callBase(), {
minus: that._revertSign.bind(that),
del: that._removeHandler.bind(that),
backspace: that._removeHandler.bind(that),
leftArrow: that._arrowHandler.bind(that, MOVE_BACKWARD),
rightArrow: that._arrowHandler.bind(that, MOVE_FORWARD),
home: that._moveCaretToBoundaryEventHandler.bind(that, MOVE_FORWARD),
enter: that._updateFormattedValue.bind(that),
end: that._moveCaretToBoundaryEventHandler.bind(that, MOVE_BACKWARD)
})
},
_focusInHandler: function(e) {
if (!this._preventNestedFocusEvent(e)) {
this.clearCaretTimeout();
this._caretTimeout = setTimeout(function() {
this._caretTimeout = null;
var caret = this._caret();
if (caret.start === caret.end && this._useMaskBehavior()) {
var text = this._getInputVal();
var decimalSeparator = number.getDecimalSeparator();
var decimalSeparatorIndex = text.indexOf(decimalSeparator);
if (decimalSeparatorIndex >= 0) {
this._caret({
start: decimalSeparatorIndex,
end: decimalSeparatorIndex
})
} else {
this._moveCaretToBoundaryEventHandler(MOVE_BACKWARD, e)
}
}
}.bind(this), CARET_TIMEOUT_DURATION)
}
this.callBase(e)
},
_focusOutHandler: function(e) {
var shouldHandleEvent = !this._preventNestedFocusEvent(e);
if (shouldHandleEvent) {
this._focusOutOccurs = true;
if (this._useMaskBehavior()) {
this._updateFormattedValue()
}
}
this.callBase(e);
if (shouldHandleEvent) {
this._focusOutOccurs = false
}
},
_hasValueBeenChanged: function(inputValue) {
var format = this._getFormatPattern();
var value = this.option("value");
var formatted = this._format(value, format) || "";
return formatted !== inputValue
},
_updateFormattedValue: function() {
var inputValue = this._getInputVal();
if (this._hasValueBeenChanged(inputValue)) {
this._parsedValue = this._tryParse(inputValue, this._caret());
this._adjustParsedValue();
this._setTextByParsedValue();
if (this._parsedValue !== this.option("value")) {
eventsEngine.trigger(this._input(), "change")
}
}
},
_arrowHandler: function(step, e) {
if (!this._useMaskBehavior()) {
return
}
var text = this._getInputVal();
var format = this._getFormatPattern();
var nextCaret = maskCaret.getCaretWithOffset(this._caret(), step);
if (!maskCaret.isCaretInBoundaries(nextCaret, text, format)) {
nextCaret = step === MOVE_FORWARD ? nextCaret.end : nextCaret.start;
e.preventDefault();
this._caret(maskCaret.getCaretInBoundaries(nextCaret, text, format))
}
},
_moveCaretToBoundary: function(direction) {
var boundaries = maskCaret.getCaretBoundaries(this._getInputVal(), this._getFormatPattern());
var newCaret = maskCaret.getCaretWithOffset(direction === MOVE_FORWARD ? boundaries.start : boundaries.end, 0);
this._caret(newCaret)
},
_moveCaretToBoundaryEventHandler: function(direction, e) {
if (!this._useMaskBehavior() || e && e.shiftKey) {
return
}
this._moveCaretToBoundary(direction);
e && e.preventDefault()
},
_shouldMoveCaret: function(text, caret) {
var decimalSeparator = number.getDecimalSeparator();
var isDecimalSeparatorNext = text.charAt(caret.end) === decimalSeparator;
var isZeroNext = "0" === text.charAt(caret.end);
var moveToFloat = (this._lastKey === decimalSeparator || "." === this._lastKey) && isDecimalSeparatorNext;
var zeroToZeroReplace = "0" === this._lastKey && isZeroNext;
return moveToFloat || zeroToZeroReplace
},
_getInputVal: function() {
return number.convertDigits(this._input().val(), true)
},
_keyboardHandler: function(e) {
this.clearCaretTimeout();
this._lastKey = number.convertDigits(eventUtils.getChar(e), true);
this._lastKeyName = eventUtils.normalizeKeyName(e);
if (!this._shouldHandleKey(e.originalEvent)) {
return this.callBase(e)
}
var normalizedText = this._getInputVal();
var caret = this._caret();
var enteredChar = this._lastKeyName === MINUS_KEY ? "" : this._lastKey;
var newValue = this._tryParse(normalizedText, caret, enteredChar);
if (this._shouldMoveCaret(normalizedText, caret)) {
this._moveCaret(1);
e.originalEvent.preventDefault()
}
if (void 0 === newValue) {
if (this._lastKeyName !== MINUS_KEY) {
e.originalEvent.preventDefault()
}
} else {
this._parsedValue = newValue
}
return this.callBase(e)
},
_keyPressHandler: function(e) {
if (!this._useMaskBehavior()) {
this.callBase(e)
}
},
_removeHandler: function(e) {
var caret = this._caret();
var text = this._getInputVal();
var start = caret.start;
var end = caret.end;
this._lastKey = eventUtils.getChar(e);
this._lastKeyName = eventUtils.normalizeKeyName(e);
var isDeleteKey = this._isDeleteKey(this._lastKeyName);
var isBackspaceKey = !isDeleteKey;
if (start === end) {
var caretPosition = start;
var canDelete = isBackspaceKey && caretPosition > 0 || isDeleteKey && caretPosition < text.length;
if (canDelete) {
isDeleteKey && end++;
isBackspaceKey && start--
} else {
e.preventDefault();
return
}
}
var char = text.slice(start, end);
if (this._isStub(char)) {
this._moveCaret(isDeleteKey ? 1 : -1);
if (this._parsedValue < 0 || 1 / this._parsedValue === -(1 / 0)) {
this._revertSign(e);
this._setTextByParsedValue()
}
e.preventDefault();
return
}
var decimalSeparator = number.getDecimalSeparator();
if (char === decimalSeparator) {
var decimalSeparatorIndex = text.indexOf(decimalSeparator);
if (this._isNonStubAfter(decimalSeparatorIndex + 1)) {
this._moveCaret(isDeleteKey ? 1 : -1);
e.preventDefault()
}
return
}
if (end - start < text.length) {
var editedText = this._replaceSelectedText(text, {
start: start,
end: end
}, "");
var noDigits = editedText.search(/[0-9]/) < 0;
if (noDigits && this._isValueInRange(0)) {
this._parsedValue = this._parsedValue < 0 || 1 / this._parsedValue === -(1 / 0) ? -0 : 0;
return
}
}
var valueAfterRemoving = this._tryParse(text, {
start: start,
end: end
}, "");
if (void 0 === valueAfterRemoving) {
e.preventDefault()
} else {
this._parsedValue = valueAfterRemoving
}
},
_isPercentFormat: function() {
var format = this._getFormatPattern();
var noEscapedFormat = format.replace(/'[^']+'/g, "");
return noEscapedFormat.indexOf("%") !== -1
},
_parse: function(text, format) {
var formatOption = this.option("format");
var isCustomParser = typeUtils.isFunction(formatOption.parser);
var parser = isCustomParser ? formatOption.parser : number.parse;
var formatPointIndex = format.indexOf(".");
var textPointIndex = text.indexOf(number.getDecimalSeparator());
var formatIntegerPartLength = formatPointIndex !== -1 ? formatPointIndex : format.length;
var textIntegerPartLength = textPointIndex !== -1 ? textPointIndex : text.length;
if (textIntegerPartLength > formatIntegerPartLength && format.indexOf("#") === -1) {
text = text.substr(textIntegerPartLength - formatIntegerPartLength)
}
return parser(text, format)
},
_format: function(value, format) {
var formatOption = this.option("format");
var isCustomFormatter = typeUtils.isFunction(formatOption.formatter);
var formatter = isCustomFormatter ? formatOption.formatter : number.format;
return formatter(value, format)
},
_getFormatPattern: function() {
var format = this.option("format");
var isLDMLPattern = "string" === typeof format && (format.indexOf("0") >= 0 || format.indexOf("#") >= 0);
if (isLDMLPattern) {
return format
} else {
return getLDMLFormat(function(value) {
var text = this._format(value, format);
return number.convertDigits(text, true)
}.bind(this))
}
},
_getFormatForSign: function(text) {
var format = this._getFormatPattern();
var signParts = format.split(";");
var sign = number.getSign(text, format);
signParts[1] = signParts[1] || "-" + signParts[0];
return sign < 0 ? signParts[1] : signParts[0]
},
_removeStubs: function(text, excludeComma) {
var format = this._getFormatForSign(text);
var thousandsSeparator = number.getThousandsSeparator();
var stubs = this._getStubs(format);
var result = text;
if (stubs.length) {
var prefixStubs = stubs[0];
var postfixRegex = new RegExp("(" + escapeRegExp(stubs[1] || "") + ")$", "g");
var decoratorsRegex = new RegExp("[-" + escapeRegExp(excludeComma ? "" : thousandsSeparator) + "]", "g");
result = result.replace(prefixStubs, "").replace(postfixRegex, "").replace(decoratorsRegex, "")
}
return result
},
_getStubs: function(format) {
var regExpResult = /[^']([#0.,]+)/g.exec(format);
var pattern = regExpResult && regExpResult[0].trim();
return format.split(pattern).map(function(stub) {
return stub.replace(/'/g, "")
})
},
_truncateToPrecision: function(value, maxPrecision) {
if (typeUtils.isDefined(value)) {
var strValue = value.toString();
var decimalSeparatorIndex = strValue.indexOf(".");
if (strValue && decimalSeparatorIndex > -1) {
var parsedValue = parseFloat(strValue.substr(0, decimalSeparatorIndex + maxPrecision + 1));
return isNaN(parsedValue) ? value : parsedValue
}
}
return value
},
_tryParse: function(text, selection, char) {
var editedText = this._replaceSelectedText(text, selection, char);
var format = this._getFormatPattern();
var isTextSelected = selection.start !== selection.end;
var parsedValue = this._getParsedValue(editedText, format);
var maxPrecision = this._getPrecisionLimits(format, editedText).max;
var isValueChanged = parsedValue !== this._parsedValue;
var decimalSeparator = number.getDecimalSeparator();
var isDecimalPointRestricted = char === decimalSeparator && 0 === maxPrecision;
var isUselessCharRestricted = !isTextSelected && !isValueChanged && char !== MINUS && !this._isValueIncomplete(editedText) && this._isStub(char);
if (isDecimalPointRestricted || isUselessCharRestricted) {
return
}
if ("" === this._removeStubs(editedText)) {
parsedValue = 0 * this._parsedValue
}
if (isNaN(parsedValue)) {
return
}
var value = null === parsedValue ? this._parsedValue : parsedValue;
parsedValue = this._truncateToPrecision(value, maxPrecision);
return this._isPercentFormat() ? parsedValue && parsedValue / 100 : parsedValue
},
_getParsedValue: function(text, format) {
var sign = number.getSign(text, format);
var textWithoutStubs = this._removeStubs(text, true);
var parsedValue = this._parse(textWithoutStubs, format);
var parsedValueWithSign = parsedValue ? sign * parsedValue : parsedValue;
return parsedValueWithSign
},
_isValueIncomplete: function(text) {
if (!this._useMaskBehavior()) {
return this.callBase(text)
}
var caret = this._caret();
var point = number.getDecimalSeparator();
var pointIndex = text.indexOf(point);
var isCaretOnFloat = pointIndex >= 0 && pointIndex < caret.start;
var textParts = this._removeStubs(text, true).split(point);
if (!isCaretOnFloat || 2 !== textParts.length) {
return false
}
var floatLength = textParts[1].length;
var precision = this._getPrecisionLimits(this._getFormatPattern(), text);
var isPrecisionInRange = inRange(floatLength, precision.min, precision.max);
var endsWithZero = "0" === textParts[1].charAt(floatLength - 1);
return isPrecisionInRange && (endsWithZero || !floatLength)
},
_isValueInRange: function(value) {
var min = ensureDefined(this.option("min"), -(1 / 0));
var max = ensureDefined(this.option("max"), 1 / 0);
return inRange(value, min, max)
},
_setInputText: function(text) {
var normalizedText = number.convertDigits(text, true);
var newCaret = maskCaret.getCaretAfterFormat(this._getInputVal(), normalizedText, this._caret(), this._getFormatPattern());
this._input().val(text);
this._toggleEmptinessEventHandler();
this._formattedValue = text;
if (!this._focusOutOccurs) {
this._caret(newCaret)
}
},
_useMaskBehavior: function() {
return !!this.option("format") && this.option("useMaskBehavior")
},
_renderInputType: function() {
var isNumberType = "number" === this.option("mode");
var isDesktop = "desktop" === devices.real().deviceType;
if (this._useMaskBehavior() && isNumberType) {
this._setInputType(isDesktop || this._isSupportInputMode() ? "text" : "tel")
} else {
this.callBase()
}
},
_isChar: function(str) {
return "string" === typeof str && 1 === str.length
},
_moveCaret: function(offset) {
if (!offset) {
return
}
var newCaret = maskCaret.getCaretWithOffset(this._caret(), offset);
var adjustedCaret = maskCaret.getCaretInBoundaries(newCaret, this._getInputVal(), this._getFormatPattern());
this._caret(adjustedCaret)
},
_shouldHandleKey: function(e) {
var keyName = eventUtils.normalizeKeyName(e);
var isSpecialChar = e.ctrlKey || e.shiftKey || e.altKey || !this._isChar(keyName);
var isMinusKey = keyName === MINUS_KEY;
var useMaskBehavior = this._useMaskBehavior();
return useMaskBehavior && !isSpecialChar && !isMinusKey
},
_renderInput: function() {
this.callBase();
this._renderFormatter()
},
_renderFormatter: function() {
this._clearCache();
this._detachFormatterEvents();
if (this._useMaskBehavior()) {
this._attachFormatterEvents()
}
},
_detachFormatterEvents: function() {
eventsEngine.off(this._input(), "." + NUMBER_FORMATTER_NAMESPACE)
},
_isInputFromPaste: function(e) {
var inputType = e.originalEvent && e.originalEvent.inputType;
if (typeUtils.isDefined(inputType)) {
return "insertFromPaste" === inputType
} else {
return this._isValuePasted
}
},
_attachFormatterEvents: function() {
var $input = this._input();
eventsEngine.on($input, eventUtils.addNamespace(INPUT_EVENT, NUMBER_FORMATTER_NAMESPACE), function(e) {
this._formatValue(e);
this._isValuePasted = false
}.bind(this));
if (browser.msie && browser.version < 12) {
eventsEngine.on($input, eventUtils.addNamespace("paste", NUMBER_FORMATTER_NAMESPACE), function() {
this._isValuePasted = true
}.bind(this))
}
eventsEngine.on($input, eventUtils.addNamespace("dxclick", NUMBER_FORMATTER_NAMESPACE), function() {
if (!this._caretTimeout) {
this._caretTimeout = setTimeout(function() {
this._caret(maskCaret.getCaretInBoundaries(this._caret(), this._getInputVal(), this._getFormatPattern()))
}.bind(this), CARET_TIMEOUT_DURATION)
}
}.bind(this));
eventsEngine.on($input, "dxdblclick", function() {
this.clearCaretTimeout()
}.bind(this))
},
clearCaretTimeout: function() {
clearTimeout(this._caretTimeout);
this._caretTimeout = null
},
_forceRefreshInputValue: function() {
if (!this._useMaskBehavior()) {
return this.callBase()
}
},
_isNonStubAfter: function(index, text) {
text = (text || this._getInputVal()).slice(index);
return text && !this._isStub(text, true)
},
_isStub: function(str, isString) {
var escapedDecimalSeparator = escapeRegExp(number.getDecimalSeparator());
var regExpString = "^[^0-9" + escapedDecimalSeparator + "]+$";
var stubRegExp = new RegExp(regExpString, "g");
return stubRegExp.test(str) && (isString || this._isChar(str))
},
_parseValue: function(text) {
if (!this._useMaskBehavior()) {
return this.callBase(text)
}
return this._parsedValue
},
_getPrecisionLimits: function(text) {
var currentFormat = this._getFormatForSign(text);
var floatPart = (currentFormat.split(".")[1] || "").replace(/[^#0]/g, "");
var minPrecision = floatPart.replace(/^(0*)#*/, "$1").length;
var maxPrecision = floatPart.length;
return {
min: minPrecision,
max: maxPrecision
}
},
_revertSign: function(e) {
if (!this._useMaskBehavior()) {
return
}
var caret = this._caret();
if (caret.start !== caret.end) {
if (eventUtils.normalizeKeyName(e) === MINUS_KEY) {
this._applyRevertedSign(e, caret, true);
return
} else {
this._caret(maskCaret.getCaretInBoundaries(0, this._getInputVal(), this._getFormatPattern()))
}
}
this._applyRevertedSign(e, caret)
},
_applyRevertedSign: function(e, caret, preserveSelectedText) {
var newValue = -1 * ensureDefined(this._parsedValue, null);
if (this._isValueInRange(newValue)) {
this._parsedValue = newValue;
if (preserveSelectedText) {
var format = this._getFormatPattern();
var previousText = this._getInputVal();
this._setTextByParsedValue();
e.preventDefault();
var currentText = this._getInputVal();
var offset = maskCaret.getCaretOffset(previousText, currentText, format);
caret = maskCaret.getCaretWithOffset(caret, offset);
var caretInBoundaries = maskCaret.getCaretInBoundaries(caret, currentText, format);
if (browser.msie) {
clearTimeout(this._caretTimeout);
this._caretTimeout = setTimeout(this._caret.bind(this, caretInBoundaries))
} else {
this._caret(caretInBoundaries)
}
}
if (e.key === NUMPUD_MINUS_KEY_IE) {
eventsEngine.trigger(this._input(), INPUT_EVENT)
}
}
},
_removeMinusFromText: function(text, caret) {
var isMinusPressed = this._lastKeyName === MINUS_KEY && text.charAt(caret.start - 1) === MINUS;
return isMinusPressed ? this._replaceSelectedText(text, {
start: caret.start - 1,
end: caret.start
}, "") : text
},
_setTextByParsedValue: function() {
var format = this._getFormatPattern();
var parsed = this._parseValue();
var formatted = this._format(parsed, format) || "";
this._setInputText(formatted)
},
_formatValue: function(e) {
var normalizedText = this._getInputVal();
var caret = this._caret();
var textWithoutMinus = this._removeMinusFromText(normalizedText, caret);
var wasMinusRemoved = textWithoutMinus !== normalizedText;
normalizedText = textWithoutMinus;
if (!this._isInputFromPaste(e) && this._isValueIncomplete(textWithoutMinus)) {
this._formattedValue = normalizedText;
if (wasMinusRemoved) {
this._setTextByParsedValue()
}
return
}
var textWasChanged = number.convertDigits(this._formattedValue, true) !== normalizedText;
if (textWasChanged) {
var value = this._tryParse(normalizedText, caret, "");
if (typeUtils.isDefined(value)) {
this._parsedValue = value
}
}
this._setTextByParsedValue()
},
_renderDisplayText: function() {
if (this._useMaskBehavior()) {
this._toggleEmptinessEventHandler()
} else {
this.callBase.apply(this, arguments)
}
},
_renderValue: function() {
if (this._useMaskBehavior()) {
this._parsedValue = this.option("value");
this._setTextByParsedValue()
}
return this.callBase()
},
_adjustParsedValue: function() {
if (!this._useMaskBehavior()) {
return
}
var clearedText = this._removeStubs(this._getInputVal());
var parsedValue = clearedText ? this._parseValue() : null;
if (!isNumeric(parsedValue)) {
this._parsedValue = parsedValue;
return
}
this._parsedValue = fitIntoRange(parsedValue, this.option("min"), this.option("max"))
},
_valueChangeEventHandler: function(e) {
if (!this._useMaskBehavior()) {
return this.callBase(e)
}
var caret = this._caret();
this._saveValueChangeEvent(e);
this._lastKey = null;
this._lastKeyName = null;
this._adjustParsedValue();
this.option("value", this._parsedValue);
if (caret) {
this._caret(caret)
}
},
_optionChanged: function(args) {
switch (args.name) {
case "format":
case "useMaskBehavior":
this._renderFormatter();
this._renderValue();
break;
case "min":
case "max":
this._adjustParsedValue();
this.callBase(args);
break;
default:
this.callBase(args)
}
},
_clearCache: function() {
delete this._formattedValue;
delete this._lastKey;
delete this._lastKeyName;
delete this._parsedValue;
delete this._focusOutOccurs;
clearTimeout(this._caretTimeout);
delete this._caretTimeout
},
_clean: function() {
this._clearCache();
this.callBase()
}
});
module.exports = NumberBoxMask;