🎨 Improve code block language selection (#15966)

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Jeffrey Chen 2025-10-20 18:21:06 +08:00 committed by GitHub
parent 370eb68266
commit a0593724a2
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@ -1236,10 +1236,19 @@ export class Toolbar {
hideElements(["hint"], protyle);
window.siyuan.menus.menu.remove();
this.range = getEditorRange(nodeElement);
let html = `<div class="b3-list-item">${window.siyuan.languages.clear}</div>`;
this.subElement.style.width = "";
this.subElement.style.padding = "";
this.subElement.innerHTML = `<div data-id="codeLanguage" class="fn__flex-column" style="max-height:50vh">
<input placeholder="${window.siyuan.languages.search}" style="margin: 0 8px 4px 8px" class="b3-text-field"/>
<div class="b3-list fn__flex-1 b3-list--background" style="position: relative"></div>
</div>`;
const listElement = this.subElement.lastElementChild.lastElementChild as HTMLElement;
let html = `<div data-id="clearLanguage" class="b3-list-item">${window.siyuan.languages.clear}</div>`;
let hljsLanguages = Constants.ALIAS_CODE_LANGUAGES.concat(window.hljs?.listLanguages() ?? []).sort();
const eventDetail = {languages: hljsLanguages};
const eventDetail = {languages: hljsLanguages, type: "init", listElement};
if (protyle.app && protyle.app.plugins) {
protyle.app.plugins.forEach((plugin: any) => {
plugin.eventBus.emit("code-language-update", eventDetail);
@ -1247,18 +1256,13 @@ export class Toolbar {
}
hljsLanguages = eventDetail.languages;
hljsLanguages.forEach((item, index) => {
html += `<div class="b3-list-item${index === 0 ? " b3-list-item--focus" : ""}">${item}</div>`;
hljsLanguages.forEach((item) => {
html += `<div data-id="${item}" class="b3-list-item">${item}</div>`;
});
this.subElement.style.width = "";
this.subElement.style.padding = "";
this.subElement.innerHTML = `<div class="fn__flex-column" style="max-height:50vh">
<input placeholder="${window.siyuan.languages.search}" style="margin: 0 8px 4px 8px" class="b3-text-field"/>
<div class="b3-list fn__flex-1 b3-list--background" style="position: relative">${html}</div>
</div>`;
listElement.innerHTML = html;
listElement.firstElementChild.nextElementSibling.classList.add("b3-list-item--focus");
const listElement = this.subElement.lastElementChild.lastElementChild as HTMLElement;
const inputElement = this.subElement.querySelector("input");
inputElement.addEventListener("keydown", (event: KeyboardEvent) => {
event.stopPropagation();
@ -1269,7 +1273,6 @@ export class Toolbar {
if (event.key === "Enter") {
this.updateLanguage(languageElements, protyle, this.subElement.querySelector(".b3-list-item--focus").textContent);
event.preventDefault();
event.stopPropagation();
return;
}
if (event.key === "Escape") {
@ -1277,55 +1280,75 @@ export class Toolbar {
focusByRange(this.range);
}
});
const highlightText = (text: string, search: string) => {
// 转义正则特殊字符
const escapedSearch = search.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
// 创建不区分大小写的正则表达式
const regex = new RegExp(escapedSearch, "gi");
// 替换匹配内容并保留原始大小写
return text.replace(regex, match =>
`<b>${match}</b>`
);
};
inputElement.addEventListener("input", (event) => {
const lowerCaseValue = inputElement.value.toLowerCase();
const matchLanguages = hljsLanguages.filter(item => item.includes(lowerCaseValue));
let html = "";
// sort
let matchInput = false;
if (lowerCaseValue) {
matchLanguages.sort((a, b) => {
if (a.startsWith(lowerCaseValue) && b.startsWith(lowerCaseValue)) {
if (a.length < b.length) {
return -1;
} else if (a.length === b.length) {
const value = inputElement.value.trim();
let matchLanguages;
let html = `<div data-id="clearLanguage" class="b3-list-item">${window.siyuan.languages.clear}</div>`;
let isMatchLanguages = false;
// Sort
if (value) {
const lowerCaseValue = value.toLowerCase();
matchLanguages = hljsLanguages.filter(
item => item.toLowerCase().includes(lowerCaseValue)
).sort((a, b) => {
// 不区分大小写
const aStartsWith = a.toLowerCase().startsWith(lowerCaseValue);
const bStartsWith = b.toLowerCase().startsWith(lowerCaseValue);
// 两者都匹配开头时,短字符串优先
if (aStartsWith && bStartsWith) return a.length - b.length;
if (aStartsWith) return -1;
if (bStartsWith) return 1;
// 都不匹配时保持原顺序
return 0;
} else {
return 1;
}
} else if (a.startsWith(lowerCaseValue)) {
return -1;
} else if (b.startsWith(lowerCaseValue)) {
return 1;
} else {
return 0;
}
});
if (window.hljs?.getLanguage(value)) {
// Default languages and their aliases
matchLanguages = [value].concat(matchLanguages.filter(item => item !== value));
}
}
const eventDetail = {languages: matchLanguages};
const eventDetail = {languages: value ? matchLanguages : hljsLanguages, type: "match", value, listElement};
if (protyle.app && protyle.app.plugins) {
protyle.app.plugins.forEach((plugin: any) => {
plugin.eventBus.emit("code-language-update", eventDetail);
});
}
matchLanguages = eventDetail.languages;
if (value) {
matchLanguages.forEach((item) => {
if (inputElement.value === item) {
matchInput = true;
}
html += `<div class="b3-list-item">${item.replace(lowerCaseValue, "<b>" + lowerCaseValue + "</b>")}</div>`;
});
if (inputElement.value.trim() && !matchInput) {
html = `<div class="b3-list-item"><b>${escapeHtml(inputElement.value.replace(/`| /g, "_"))}</b></div>${html}`;
}
html = `<div class="b3-list-item">${window.siyuan.languages.clear}</div>` + html;
listElement.innerHTML = html;
if (listElement.childElementCount > 2 && !matchInput && inputElement.value.trim()) {
listElement.firstElementChild.nextElementSibling.nextElementSibling.classList.add("b3-list-item--focus");
if (value === item) {
isMatchLanguages = true;
html += `<div data-id="${item}" class="b3-list-item"><b>${item}</b></div>`;
} else {
listElement.firstElementChild.nextElementSibling.classList.add("b3-list-item--focus");
html += `<div data-id="${item}" class="b3-list-item">${highlightText(item, value)}</div>`;
}
});
} else {
matchLanguages.forEach((item) => {
html += `<div data-id="${item}" class="b3-list-item">${item}</div>`;
});
}
if (value && !isMatchLanguages) {
html += `<div data-id="customLanguage" class="b3-list-item"><b>${escapeHtml(value.replace(/`| /g, "_"))}</b></div>`;
}
listElement.innerHTML = html;
listElement.firstElementChild.nextElementSibling.classList.add("b3-list-item--focus");
event.stopPropagation();
});
listElement.addEventListener("click", (event) => {