MMPCreator

assets/js/creations/utils.js

@@ -0,0 +1,27 @@
+// js/utils.js
+
+export function getTotalSteps() {
+  const compassoAInput = document.getElementById("compasso-a-input");
+  const compassoBInput = document.getElementById("compasso-b-input");
+  const beatsPerBar = parseInt(compassoAInput.value, 10) || 4;
+  const noteValue = parseInt(compassoBInput.value, 10) || 4;
+  const subdivisions = Math.round(16 / noteValue);
+  return beatsPerBar * subdivisions;
+}
+
+export function enforceNumericInput(event) {
+  event.target.value = event.target.value.replace(/[^0-9]/g, "");
+}
+
+export function adjustValue(inputElement, step) {
+  let currentValue = parseInt(inputElement.value, 10) || 0;
+  let min = parseInt(inputElement.dataset.min, 10);
+  let max = parseInt(inputElement.dataset.max, 10);
+  let newValue = currentValue + step;
+  if (!isNaN(min) && newValue < min) newValue = min;
+  if (!isNaN(max) && newValue > max) newValue = max;
+  inputElement.value = newValue;
+
+  // Dispara um evento 'input' para que outros listeners (como o que redesenha o sequenciador) sejam acionados.
+  inputElement.dispatchEvent(new Event("input", { bubbles: true }));
+}