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addEventListener('keydown', (event) => {
let target = event.originalTarget || event.composedPath()[0];
if (!target.matches("[id*='_toprow'] textarea.gr-text-input[placeholder]")) return;
if (! (event.metaKey || event.ctrlKey)) return;
let plus = "ArrowUp"
let minus = "ArrowDown"
if (event.key != plus && event.key != minus) return;
let selectionStart = target.selectionStart;
let selectionEnd = target.selectionEnd;
// If the user hasn't selected anything, let's select their current parenthesis block
if (selectionStart === selectionEnd) {
// Find opening parenthesis around current cursor
const before = target.value.substring(0, selectionStart);
let beforeParen = before.lastIndexOf("(");
if (beforeParen == -1) return;
let beforeParenClose = before.lastIndexOf(")");
while (beforeParenClose !== -1 && beforeParenClose > beforeParen) {
beforeParen = before.lastIndexOf("(", beforeParen - 1);
beforeParenClose = before.lastIndexOf(")", beforeParenClose - 1);
}
// Find closing parenthesis around current cursor
const after = target.value.substring(selectionStart);
let afterParen = after.indexOf(")");
if (afterParen == -1) return;
let afterParenOpen = after.indexOf("(");
while (afterParenOpen !== -1 && afterParen > afterParenOpen) {
afterParen = after.indexOf(")", afterParen + 1);
afterParenOpen = after.indexOf("(", afterParenOpen + 1);
}
if (beforeParen === -1 || afterParen === -1) return;
// Set the selection to the text between the parenthesis
const parenContent = target.value.substring(beforeParen + 1, selectionStart + afterParen);
const lastColon = parenContent.lastIndexOf(":");
selectionStart = beforeParen + 1;
selectionEnd = selectionStart + lastColon;
target.setSelectionRange(selectionStart, selectionEnd);
}
event.preventDefault();
if (selectionStart == 0 || target.value[selectionStart - 1] != "(") {
target.value = target.value.slice(0, selectionStart) +
"(" + target.value.slice(selectionStart, selectionEnd) + ":1.0)" +
target.value.slice(selectionEnd);
target.focus();
target.selectionStart = selectionStart + 1;
target.selectionEnd = selectionEnd + 1;
} else {
end = target.value.slice(selectionEnd + 1).indexOf(")") + 1;
weight = parseFloat(target.value.slice(selectionEnd + 1, selectionEnd + 1 + end));
if (isNaN(weight)) return;
if (event.key == minus) weight -= 0.1;
if (event.key == plus) weight += 0.1;
weight = parseFloat(weight.toPrecision(12));
target.value = target.value.slice(0, selectionEnd + 1) +
weight +
target.value.slice(selectionEnd + 1 + end - 1);
target.focus();
target.selectionStart = selectionStart;
target.selectionEnd = selectionEnd;
}
updateInput(target)
});
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