74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
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import { stopEventPropagation, fireClick } from './handle-dom';
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import { setFocusStyle } from './handle-swal-dom';
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var handleKeyDown = function(event, params, modal) {
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var e = event || window.event;
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var keyCode = e.keyCode || e.which;
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var $okButton = modal.querySelector('button.confirm');
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var $cancelButton = modal.querySelector('button.cancel');
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var $modalButtons = modal.querySelectorAll('button[tabindex]');
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if ([9, 13, 32, 27].indexOf(keyCode) === -1) {
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// Don't do work on keys we don't care about.
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return;
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}
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var $targetElement = e.target || e.srcElement;
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var btnIndex = -1; // Find the button - note, this is a nodelist, not an array.
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for (var i = 0; i < $modalButtons.length; i++) {
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if ($targetElement === $modalButtons[i]) {
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btnIndex = i;
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break;
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}
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}
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if (keyCode === 9) {
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// TAB
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if (btnIndex === -1) {
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// No button focused. Jump to the confirm button.
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$targetElement = $okButton;
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} else {
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// Cycle to the next button
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if (btnIndex === $modalButtons.length - 1) {
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$targetElement = $modalButtons[0];
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} else {
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$targetElement = $modalButtons[btnIndex + 1];
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}
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}
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stopEventPropagation(e);
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$targetElement.focus();
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if (params.confirmButtonColor) {
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setFocusStyle($targetElement, params.confirmButtonColor);
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}
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} else {
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if (keyCode === 13) {
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if ($targetElement.tagName === 'INPUT') {
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$targetElement = $okButton;
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$okButton.focus();
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}
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if (btnIndex === -1) {
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// ENTER/SPACE clicked outside of a button.
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$targetElement = $okButton;
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} else {
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// Do nothing - let the browser handle it.
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$targetElement = undefined;
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}
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} else if (keyCode === 27 && params.allowEscapeKey === true) {
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$targetElement = $cancelButton;
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fireClick($targetElement, e);
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} else {
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// Fallback - let the browser handle it.
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$targetElement = undefined;
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}
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}
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};
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export default handleKeyDown;
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