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Add backspace help

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This commit is contained in:
Paul W. 2021-10-01 01:23:35 -04:00
parent 834817401b
commit 3509ba9974
1 changed files with 44 additions and 41 deletions
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85
scripts/fuzzy.js
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@ -1,7 +1,7 @@
setTimeout(() => {
(() => {
let searchField = document.querySelector("#search");
if (searchField === null)
return;
if (searchField === null)
return;
let client = new XMLHttpRequest();
client.open("GET", "/pages.json");
@ -11,7 +11,7 @@ setTimeout(() => {
}
client.send();
searchField.focus();
}, 50);
})();
function fuzzyInit(pagesFileName) {
if (pagesFileName == "")
@ -35,49 +35,52 @@ function fuzzyInit(pagesFileName) {
searchField.addEventListener("keyup", (e) => {
let searchValue = searchField.value ? searchField.value.toLowerCase() : "";
let searchValue = searchField.value ? searchField.value.toLowerCase() : "";
if (e.code === "Enter") {
if (resultBlock.childNodes === null
|| resultBlock.childNodes[0] === null
|| resultBlock.childNodes[0].href === undefined)
return;
window.location = resultBlock.childNodes[0].href;
if (e.code === "Enter") {
if (resultBlock.childNodes === null
|| resultBlock.childNodes[0] === null
|| resultBlock.childNodes[0].href === undefined)
return;
}
// help
if (searchValue === "?" || searchValue === "help") {
resultBlock.innerHTML = "<h2>Help</h2>Enter a page or directory name.<br>If do not know any, clear the search field to list everything.<br> Using the <code>Enter</code> key would take you to the first page in list, if the list is not empty.<br>Alternatively, use the <code>Up</code> and <code>Down</code> arrow keys to select the page you want and use the <code>Enter</code> key."
return;
}
let results = [];
for (const [i, page] of pages.entries()) {
ret = fuzzySearch(page.title, searchValue);
if (ret === null)
continue;
results.push({formatted: ret.formatted, link: page.link, score: ret.score});
}
results.sort((x, y) => {return x.score - y.score});
resultBlock.innerHTML = "";
for (const res of results) {
linkBlock = document.createElement("a");
linkBlock.classList.add("hyperlink");
linkBlock.href = res.link;
linkBlock.innerHTML = `<div class="name">${res.formatted}</div><div class="link">${res.link}</div>`;
resultBlock.appendChild(linkBlock);
}
if (results.length <= 0)
resultBlock.innerHTML = "Unknown command or no matching pages found."
window.location = resultBlock.childNodes[0].href;
return;
}
);
// help
if (searchValue === "?" || searchValue === "help") {
resultBlock.innerHTML = "<h2>Help</h2>Enter a page or directory name.<br>If do not know any, clear the search field to list everything.<br> Using the <code>Enter</code> key would take you to the first page in list, if the list is not empty.<br>Alternatively, use the <code>Up</code> and <code>Down</code> arrow keys to select the page you want and use the <code>Enter</code> key.<br>Use <code>Backspace</code> to go back to the search."
return;
}
let results = [];
for (const [i, page] of pages.entries()) {
ret = fuzzySearch(page.title, searchValue);
if (ret === null)
continue;
results.push({formatted: ret.formatted, link: page.link, score: ret.score});
}
results.sort((x, y) => {return x.score - y.score});
resultBlock.innerHTML = "";
for (const res of results) {
linkBlock = document.createElement("a");
linkBlock.classList.add("hyperlink");
linkBlock.href = res.link;
linkBlock.innerHTML = `<div class="name">${res.formatted}</div><div class="link">${res.link}</div>`;
resultBlock.appendChild(linkBlock);
}
if (results.length <= 0)
resultBlock.innerHTML = "Unknown command or no matching pages found."
});
document.body.addEventListener("keydown", (e) => {
if (e.code === "Backspace") {
searchField.focus();
}
if (e.code === "ArrowDown" || e.code === "ArrowUp") {
if (resultBlock.childNodes === null)
return;