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减少元素更新

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This commit is contained in:
Jeffrey Chen 2024-12-01 16:44:17 +08:00
parent 460c00eaca
commit 76bc95475f
1 changed files with 15 additions and 6 deletions
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21
app/src/dialog/tooltip.ts
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@ -11,15 +11,24 @@ export const showTooltip = (message: string, target: Element, tooltipClass?: str
}
let messageElement = document.getElementById("tooltip");
if (!messageElement) {
document.body.insertAdjacentHTML("beforeend", `<div class="tooltip" id="tooltip">${message}</div>`);
document.body.insertAdjacentHTML("beforeend", `<div class="tooltip${!tooltipClass ? "" : " tooltip--" + tooltipClass}" id="tooltip">${message}</div>`);
messageElement = document.getElementById("tooltip");
} else {
messageElement.className = "tooltip";
messageElement.innerHTML = message;
}
const currentClassName = messageElement.className;
const currentMessage = messageElement.textContent;
if (tooltipClass) {
messageElement.classList.add("tooltip--" + tooltipClass);
let newClassName = "tooltip";
if (tooltipClass) {
newClassName += " tooltip--" + tooltipClass;
}
// 避免不必要的更新
if (currentClassName !== newClassName) {
messageElement.className = newClassName;
}
if (currentMessage !== message) {
// 鼠标在按钮等多层结构的元素上小幅移动时会频繁更新
messageElement.innerHTML = message;
}
}
let left = targetRect.left;