truly-ui
Version:
Web Components for Desktop Applications.
131 lines • 17 kB
JavaScript
import { CurrencyService } from './currency.service';
export class CurrencyHandler {
get inputService() {
return this._inputService;
}
set inputService(value) {
this._inputService = value;
}
constructor(htmlInputElement, options) {
this.inputService = new CurrencyService(htmlInputElement, options);
}
handleCut(event) {
setTimeout(() => {
this.inputService.updateFieldValue();
this.setValue(this.inputService.value);
this.onModelChange(this.inputService.value);
}, 0);
}
handleInput(event) {
const keyCode = this.inputService.rawValue.charCodeAt(this.inputService.rawValue.length - 1);
const rawValueLength = this.inputService.rawValue.length;
const rawValueSelectionEnd = this.inputService.inputSelection.selectionEnd;
const storedRawValueLength = this.inputService.storedRawValue.length;
this.inputService.rawValue = this.inputService.storedRawValue;
if (rawValueLength !== rawValueSelectionEnd || Math.abs(rawValueLength - storedRawValueLength) !== 1) {
this.setCursorPosition(event);
return;
}
if (rawValueLength < storedRawValueLength) {
this.inputService.removeNumber(8);
}
if (rawValueLength > storedRawValueLength) {
switch (keyCode) {
case 43:
this.inputService.changeToPositive();
break;
case 45:
this.inputService.changeToNegative();
break;
default:
if (!this.inputService.canInputMoreNumbers) {
return;
}
this.inputService.addNumber(keyCode);
}
}
this.setCursorPosition(event);
this.onModelChange(this.inputService.value);
}
handleKeydown(event) {
const keyCode = event.which || event.charCode || event.keyCode;
if (keyCode === 8 || keyCode === 46 || keyCode === 63272) {
event.preventDefault();
const selectionRangeLength = Math.abs(this.inputService.inputSelection.selectionEnd
- this.inputService.inputSelection.selectionStart);
if (selectionRangeLength === 0) {
this.inputService.removeNumber(keyCode);
this.onModelChange(this.inputService.value);
}
if (selectionRangeLength >= (this.inputService.rawValue.length - this.inputService.prefixLength())) {
this.clearValue();
}
}
}
clearValue() {
this.setValue(this.inputService.isNullable() ? null : 0);
this.onModelChange(this.inputService.value);
}
handleKeypress(event) {
const keyCode = event.which || event.charCode || event.keyCode;
if (keyCode === 97 && event.ctrlKey) {
return;
}
switch (keyCode) {
case undefined:
case 9:
case 13:
case 37:
case 39:
return;
case 43:
this.inputService.changeToPositive();
break;
case 45:
this.inputService.changeToNegative();
break;
default:
if (this.inputService.canInputMoreNumbers) {
const selectionRangeLength = Math.abs(this.inputService.inputSelection.selectionEnd
- this.inputService.inputSelection.selectionStart);
if (selectionRangeLength === this.inputService.rawValue.length) {
this.setValue(0);
}
this.inputService.addNumber(keyCode);
}
}
event.preventDefault();
this.onModelChange(this.inputService.value);
}
handlePaste(event) {
setTimeout(() => {
this.inputService.updateFieldValue();
this.setValue(this.inputService.value);
this.onModelChange(this.inputService.value);
}, 1);
}
updateOptions(options) {
this.inputService.updateOptions(options);
}
getOnModelChange() {
return this.onModelChange;
}
setOnModelChange(callbackFunction) {
this.onModelChange = callbackFunction;
}
getOnModelTouched() {
return this.onModelTouched;
}
setOnModelTouched(callbackFunction) {
this.onModelTouched = callbackFunction;
}
setValue(value) {
this.inputService.value = value;
}
setCursorPosition(event) {
setTimeout(function () {
event.target.setSelectionRange(event.target.value.length, event.target.value.length);
}, 0);
}
}
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{CurrencyService} from './currency.service';\n\nexport class CurrencyHandler {\n\n  private _inputService: CurrencyService;\n  private onModelChange: Function;\n  private onModelTouched: Function;\n\n  get inputService() {\n    return this._inputService;\n  }\n\n  set inputService( value: CurrencyService ) {\n    this._inputService = value;\n  }\n\n  constructor(htmlInputElement: HTMLInputElement, options: any) {\n    this.inputService = new CurrencyService(htmlInputElement, options);\n  }\n\n  handleCut(event: any): void {\n    setTimeout(() => {\n      this.inputService.updateFieldValue();\n      this.setValue(this.inputService.value);\n      this.onModelChange(this.inputService.value);\n    }, 0);\n  }\n\n  handleInput(event: any): void {\n    const keyCode = this.inputService.rawValue.charCodeAt(this.inputService.rawValue.length - 1);\n    const rawValueLength = this.inputService.rawValue.length;\n    const rawValueSelectionEnd = this.inputService.inputSelection.selectionEnd;\n    const storedRawValueLength = this.inputService.storedRawValue.length;\n    this.inputService.rawValue = this.inputService.storedRawValue;\n\n    if (rawValueLength !== rawValueSelectionEnd || Math.abs(rawValueLength - storedRawValueLength) !== 1) {\n      this.setCursorPosition(event);\n      return;\n    }\n\n    if (rawValueLength < storedRawValueLength) {\n      this.inputService.removeNumber(8);\n    }\n\n    if (rawValueLength > storedRawValueLength) {\n      switch (keyCode) {\n        case 43:\n          this.inputService.changeToPositive();\n          break;\n        case 45:\n          this.inputService.changeToNegative();\n          break;\n        default:\n          if (!this.inputService.canInputMoreNumbers) {\n            return;\n          }\n\n          this.inputService.addNumber(keyCode);\n      }\n    }\n\n    this.setCursorPosition(event);\n    this.onModelChange(this.inputService.value);\n  }\n\n  handleKeydown(event: any): void {\n    const keyCode = event.which || event.charCode || event.keyCode;\n\n    if (keyCode === 8 || keyCode === 46 || keyCode === 63272) {\n      event.preventDefault();\n      const selectionRangeLength = Math.abs(this.inputService.inputSelection.selectionEnd\n        - this.inputService.inputSelection.selectionStart);\n\n      if (selectionRangeLength === 0) {\n        this.inputService.removeNumber(keyCode);\n        this.onModelChange(this.inputService.value);\n      }\n\n      if (selectionRangeLength >= (this.inputService.rawValue.length - this.inputService.prefixLength())) {\n        this.clearValue();\n      }\n    }\n  }\n\n  clearValue() {\n    this.setValue(this.inputService.isNullable() ? null : 0);\n    this.onModelChange(this.inputService.value);\n  }\n\n  handleKeypress(event: any): void {\n    const keyCode = event.which || event.charCode || event.keyCode;\n\n    if (keyCode === 97 && event.ctrlKey) {\n      return;\n    }\n\n    switch (keyCode) {\n      case undefined:\n      case 9:\n      case 13:\n      case 37:\n      case 39:\n        return;\n      case 43:\n        this.inputService.changeToPositive();\n        break;\n      case 45:\n        this.inputService.changeToNegative();\n        break;\n      default:\n        if (this.inputService.canInputMoreNumbers) {\n          const selectionRangeLength = Math.abs(this.inputService.inputSelection.selectionEnd\n            - this.inputService.inputSelection.selectionStart);\n\n          if (selectionRangeLength === this.inputService.rawValue.length) {\n            this.setValue(0);\n          }\n\n          this.inputService.addNumber(keyCode);\n        }\n    }\n\n    event.preventDefault();\n    this.onModelChange(this.inputService.value);\n  }\n\n  handlePaste(event: any): void {\n    setTimeout(() => {\n      this.inputService.updateFieldValue();\n      this.setValue(this.inputService.value);\n      this.onModelChange(this.inputService.value);\n    }, 1);\n  }\n\n  updateOptions(options: any): void {\n    this.inputService.updateOptions(options);\n  }\n\n  getOnModelChange(): Function {\n    return this.onModelChange;\n  }\n\n  setOnModelChange(callbackFunction: Function): void {\n    this.onModelChange = callbackFunction;\n  }\n\n  getOnModelTouched(): Function {\n    return this.onModelTouched;\n  }\n\n  setOnModelTouched(callbackFunction: Function) {\n    this.onModelTouched = callbackFunction;\n  }\n\n  setValue(value: number): void {\n    this.inputService.value = value;\n  }\n\n  private setCursorPosition(event: any): void {\n    setTimeout(function () {\n      event.target.setSelectionRange(event.target.value.length, event.target.value.length);\n    }, 0);\n  }\n}\n"]}