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study-area-cn.old/theme/js/tocrender.js

76 lines
2.8 KiB
JavaScript

var toc_obj = document.getElementById("helperframe").getElementsByTagName("ol")[0]
function createTree(elements) {
let result = [];
last = 0
elements.childNodes.forEach(element => {
if (element.childNodes.length > 0 && (!element.classList.contains("part-title"))) {
let a = element.childNodes[0]
let link = a.tagName === 'A' ? a.href : ''
if (link == '') {
if (a.tagName === 'DIV') {
result.push({
link: "#",
text: a.textContent,
child: [],
avtive: false
})
} else {
result[result.length - 1].child = createTree(element.getElementsByTagName("ol")[0])
}
} else {
result.push({
link: link,
text: a.innerText,
child: [],
active: element.childNodes[0].classList.contains("active")
})
}
} else if (element.classList.contains("part-title")) {
result.push({
link: "",
text: `<h3 style="margin-top: 0px;margin-bottom:0;margin-left:0rem;"><strong>` + element.textContent + "</strong></h3>",
child: [],
active: false
})
}
});
return result
}
function loadTreeItem(treeitem, v) {
var active_str = treeitem.active ? "active" : ""
if (treeitem.child.length > 0) {
var i_str = `<mdui-collapse-item value=item"` + v.toString() + `">
<mdui-list-item rounded slot="header" `+ active_str + `><a href="` + treeitem.link + `" class="menu-link">` + treeitem.text + `</a><mdui-icon slot="end-icon" name="keyboard_arrow_down"></mdui-icon></mdui-list-item>
<div style="margin-left: 1rem">
<mdui-list-item rounded>
<mdui-collapse>`
var i = 0
treeitem.child.forEach(element => {
i_str = i_str + loadTreeItem(element, i)
i++
})
i_str = i_str + `</mdui-collapse>
</mdui-list-item>
</div>
</mdui-collapse-item>`
return i_str
} else {
disabled = treeitem.link === '#' ? "disabled" : ""
return `<mdui-collapse-item><mdui-list-item rounded ` + active_str + ` slot="header" ` + disabled + ` href="` + treeitem.link + `">` + treeitem.text + `</mdui-list-item></mdui-collapse-item>`
}
}
var get_tree = createTree(toc_obj)
var n_str = `<mdui-list><mdui-collapse>`
var i = 0
get_tree.forEach(element => {
n_str = n_str + loadTreeItem(element, i)
i++
})
n_str = n_str + `</mdui-collapse></mdui-list>`
document.getElementById("toc-drawer").insertAdjacentHTML('beforeend', n_str);
getElementById("helperframe").remove()