sheepishgoat
59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
// ----------------------------------------------------------------------------
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// Index page tree browsing
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document.addEventListener("DOMContentLoaded", function() {
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var items = document.getElementsByClassName("index-tree");
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var nodes = [];
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for (var i = 0; i < items.length; ++i) {
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var node = items[i];
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var parent = node.parentElement;
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if (!parent || parent.tagName.toLowerCase() != "li") {
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continue;
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}
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node.hidden = true;
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parent.style.listStyle = "none";
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var expander = document.createElement("span");
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expander.className = "expander";
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expander.textContent = "\u2795";
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expander.addEventListener("click", function(node) {
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return function(event) {
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if (event.target.tagName.toLowerCase() == "a") {
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return;
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}
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event.preventDefault();
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event.stopPropagation(true);
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node.hidden = !node.hidden;
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this.textContent = node.hidden ? "\u2795" : "\u2796";
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};
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}(node));
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if (node.parentElement.parentElement.classList.contains("modules")) {
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node.hidden = false;
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expander.textContent = "\u2796";
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}
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parent.insertBefore(expander, parent.firstChild);
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nodes.push({ node, expander });
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}
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if (nodes.length) {
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var toggle = document.createElement("a");
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toggle.href = "#";
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toggle.appendChild(document.createTextNode("Toggle All"));
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toggle.addEventListener("click", function(event) {
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event.preventDefault();
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var hidden = !nodes[1].node.hidden;
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for (var i = 0; i < nodes.length; ++i) {
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nodes[i].node.hidden = hidden;
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nodes[i].expander.textContent = hidden ? "\u2795" : "\u2796";
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}
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});
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var header = document.getElementsByTagName("header")[0];
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header.appendChild(document.createTextNode(" \u2014 "));
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header.appendChild(toggle);
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}
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});
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