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add highlight and filter support to logviewer

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This commit is contained in:
Bruno Windels 2021-06-02 17:10:56 +02:00
parent 09bf0f3b4e
commit 88a45470ba
2 changed files with 112 additions and 1 deletions
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22
scripts/logviewer/index.html
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@ -172,13 +172,33 @@
color: HighlightText; color: HighlightText;
} }
.timeline .item.highlighted {
background-color: fuchsia;
color: white;
}
.hidden { .hidden {
display: none; display: none;
} }
#highlight {
width: 300px;
}
nav form {
display: inline;
}
</style> </style>
</head> </head>
<body> <body>
<nav><button id="openFile">Open log file</button></nav> <nav>
<button id="openFile">Open log file</button>
<form id="highlightForm"><input type="text" id="highlight" placeholder="Highlight a search term"></form>
<button id="collapseAll">Collapse all</button>
<button id="hideCollapsed">Hide collapsed root items</button>
<button id="hideHighlightedSiblings">Hide siblings of highlighted</button>
<button id="showAll">Show all</button>
</nav>
<main></main> <main></main>
<aside></aside> <aside></aside>
<script type="module" src="main.js"></script> <script type="module" src="main.js"></script>

91
scripts/logviewer/main.js
View file

@ -166,6 +166,7 @@ async function loadFile() {
main.replaceChildren(fragment); main.replaceChildren(fragment);
} }
// TODO: make this use processRecursively
function preprocessRecursively(item, parentElement, refsMap, path) { function preprocessRecursively(item, parentElement, refsMap, path) {
item.s = (parentElement?.s || 0) + item.s; item.s = (parentElement?.s || 0) + item.s;
if (itemRefSource(item)) { if (itemRefSource(item)) {
@ -297,3 +298,93 @@ function itemToNode(item) {
} }
return li; return li;
} }
const highlightForm = document.getElementById("highlightForm");
highlightForm.addEventListener("submit", evt => {
evt.preventDefault();
const query = document.getElementById("highlight").value;
if (query) {
processRecursively(rootItem, item => {
let domNode = document.getElementById(item.id);
if (itemMatchesFilter(item, query)) {
domNode.classList.add("highlighted");
domNode = domNode.parentElement;
while (domNode.nodeName !== "SECTION") {
if (domNode.nodeName === "LI") {
domNode.classList.add("expanded");
}
domNode = domNode.parentElement;
}
} else {
domNode.classList.remove("highlighted");
}
});
} else {
for (const node of document.querySelectorAll(".highlighted")) {
node.classList.remove("highlighted");
}
}
});
function itemMatchesFilter(item, query) {
if (itemError(item)) {
if (valueMatchesQuery(itemError(item), query)) {
return true;
}
}
return valueMatchesQuery(itemValues(item), query);
}
function valueMatchesQuery(value, query) {
if (typeof value === "string") {
return value.includes(query);
} else if (typeof value === "object" && value !== null) {
for (const key in value) {
if (value.hasOwnProperty(key) && valueMatchesQuery(value[key], query)) {
return true;
}
}
} else if (typeof value === "number") {
return value.toString().includes(query);
}
return false;
}
function processRecursively(item, callback, parentItem) {
if (item.id) {
callback(item, parentItem);
}
if (itemChildren(item)) {
for (let i = 0; i < itemChildren(item).length; i += 1) {
// do it in advance for a child as we don't want to do it for the rootItem
const child = itemChildren(item)[i];
processRecursively(child, callback, item);
}
}
}
document.getElementById("collapseAll").addEventListener("click", () => {
for (const node of document.querySelectorAll(".expanded")) {
node.classList.remove("expanded");
}
});
document.getElementById("hideCollapsed").addEventListener("click", () => {
for (const node of document.querySelectorAll("section > div.timeline > ol > li:not(.expanded)")) {
node.closest("section").classList.add("hidden");
}
});
document.getElementById("hideHighlightedSiblings").addEventListener("click", () => {
for (const node of document.querySelectorAll(".highlighted")) {
const list = node.closest("ol");
const siblings = Array.from(list.querySelectorAll("li > div > a:not(.highlighted)")).map(n => n.closest("li"));
for (const sibling of siblings) {
sibling.classList.add("hidden");
}
}
});
document.getElementById("showAll").addEventListener("click", () => {
for (const node of document.querySelectorAll(".hidden")) {
node.classList.remove("hidden");
}
});