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feat (frontend): pressing "-" at the beginning of a number component will add a minus sign

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This commit is contained in:
Mose Müller 2023-10-30 14:36:52 +01:00
parent 61c6585ac6
commit 8ae0b7818b
1 changed files with 13 additions and 1 deletions
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14
frontend/src/components/NumberComponent.tsx
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@ -139,7 +139,9 @@ export const NumberComponent = React.memo((props: NumberComponentProps) => {
renderCount.current++; renderCount.current++;
// Set the cursor position after the component re-renders // Set the cursor position after the component re-renders
const inputElement = document.getElementsByName(id)[0] as HTMLInputElement; const inputElement = document.getElementsByName(
fullAccessPath
)[0] as HTMLInputElement;
if (inputElement && cursorPosition !== null) { if (inputElement && cursorPosition !== null) {
inputElement.setSelectionRange(cursorPosition, cursorPosition); inputElement.setSelectionRange(cursorPosition, cursorPosition);
} }
@ -215,6 +217,16 @@ export const NumberComponent = React.memo((props: NumberComponentProps) => {
// Select everything when pressing Ctrl + a // Select everything when pressing Ctrl + a
target.setSelectionRange(0, target.value.length); target.setSelectionRange(0, target.value.length);
return; return;
} else if (key === '-') {
if (selectionStart === 0 && !value.startsWith('-')) {
newValue = '-' + value;
selectionStart++;
} else if (value.startsWith('-') && selectionStart === 1) {
newValue = value.substring(1); // remove minus sign
selectionStart--;
} else {
return; // Ignore "-" pressed in other positions
}
} else if (!isNaN(key) && key !== ' ') { } else if (!isNaN(key) && key !== ' ') {
// Check if a number key or a decimal point key is pressed // Check if a number key or a decimal point key is pressed
({ value: newValue, selectionStart } = handleNumericKey( ({ value: newValue, selectionStart } = handleNumericKey(