JiriUhlir
85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
function writeClipboard(value) {
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if (navigator.clipboard && window.isSecureContext) {
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return navigator.clipboard.writeText(value);
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}
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const textarea = document.createElement("textarea");
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textarea.value = value;
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textarea.setAttribute("readonly", "");
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textarea.style.position = "fixed";
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textarea.style.top = "-1000px";
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document.body.appendChild(textarea);
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textarea.select();
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document.execCommand("copy");
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document.body.removeChild(textarea);
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return Promise.resolve();
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}
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function nearestCopyValue(button) {
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if (button.dataset.copyValue) {
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return button.dataset.copyValue;
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}
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const scopes = [
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button.closest(".copy-row"),
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button.closest(".cmd-row"),
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button.closest("td"),
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button.parentElement,
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];
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for (const scope of scopes) {
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if (!scope) {
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continue;
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}
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const target = scope.querySelector("input, textarea, pre, code");
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if (target) {
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return "value" in target ? target.value : target.textContent;
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}
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}
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return "";
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}
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function showCopied(button, ok) {
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const label = button.textContent;
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button.textContent = ok ? "Zkopírováno" : "Nelze kopírovat";
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window.setTimeout(() => {
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button.textContent = label;
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}, 1200);
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}
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function copyValue(idOrButton) {
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const target = typeof idOrButton === "string" ? document.getElementById(idOrButton) : idOrButton;
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if (!target) {
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return false;
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}
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const value = "value" in target ? target.value : nearestCopyValue(target);
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if ("select" in target) {
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target.select();
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target.setSelectionRange(0, target.value.length);
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}
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writeClipboard(value)
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.then(() => {
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if (!("value" in target)) {
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showCopied(target, true);
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}
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})
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.catch(() => {
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if (!("value" in target)) {
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showCopied(target, false);
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}
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});
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return false;
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}
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function copyText(button) {
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const value = nearestCopyValue(button);
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writeClipboard(value)
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.then(() => showCopied(button, true))
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.catch(() => showCopied(button, false));
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return false;
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}
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