| | |
| | | loadPageObserver: null, |
| | | loadPageList: [], |
| | | questionData: {}, |
| | | renderSignMap: {} |
| | | }; |
| | | }, |
| | | computed: { |
| | |
| | | this.showCatalogList = [ |
| | | this.catalogLength - 2, |
| | | this.catalogLength - 1, |
| | | this.catalogLength, |
| | | this.catalogLength |
| | | ]; |
| | | } else { |
| | | this.showCatalogList = [catalog - 1, catalog, catalog + 1]; |
| | |
| | | } |
| | | }, |
| | | |
| | | // 处理标记数据 |
| | | handelSignData(type, data) { |
| | | if (!this.renderSignMap[type]) this.renderSignMap[type] = {}; |
| | | if (!this.renderSignMap[type][data.page]) |
| | | this.renderSignMap[type][data.page] = []; |
| | | this.renderSignMap[type][data.page].push(data); |
| | | }, |
| | | |
| | | // 渲染标记 |
| | | renderSign(type, data) { |
| | | const existence = ( |
| | |
| | | const pageDom = ( |
| | | this.container ? this.container : document |
| | | ).querySelector(`[page="${data.page}"]`); |
| | | let reg = new RegExp(`${data.txt}`, "ig"); |
| | | switch (type) { |
| | | case "Highlight": |
| | | // 高亮 |
| | | pageDom.innerHTML = pageDom.innerHTML.replace( |
| | | reg, |
| | | `<span datatype="Highlight" dataid="${data.id}" style="background: ${data.color};" class="highLight" onclick="signClick('Highlight','${data.id}','${data.chapterNum}')">${data.txt}</span>` |
| | | ); |
| | | break; |
| | | case "Dashing": |
| | | // 划线 |
| | | pageDom.innerHTML = pageDom.innerHTML.replace( |
| | | reg, |
| | | `<span datatype="Dashing" dataid="${data.id}" style="text-decoration-color:${data.color};" class="underline" onclick="signClick('Dashing','${data.id}','${data.chapterNum}')">${data.txt}</span>` |
| | | ); |
| | | break; |
| | | case "Note": |
| | | // 笔记 |
| | | pageDom.innerHTML = pageDom.innerHTML.replace( |
| | | reg, |
| | | `<span datatype="Note" dataid="${data.id}" style="border-bottom-color:${data.color}" class="notesline" onclick="signClick('Note','${data.id}','${data.chapterNum}')" onmouseover="noteHover('Note','${data.id}','${data.chapterNum}')" onmouseout="noteOut('Note')">${data.txt}<img src="${NoteIcon}"/></span>` |
| | | ); |
| | | break; |
| | | // 创建 createTreeWalker 迭代器,用于遍历文本节点,保存到一个数组 |
| | | const treeWalker = document.createTreeWalker( |
| | | pageDom, |
| | | NodeFilter.SHOW_TEXT |
| | | ); |
| | | const allTextNodes = []; |
| | | let currentNode = treeWalker.nextNode(); |
| | | while (currentNode) { |
| | | allTextNodes.push(currentNode); |
| | | currentNode = treeWalker.nextNode(); |
| | | } |
| | | for (let i = 0; i < allTextNodes.length; i++) { |
| | | const textDom = allTextNodes[i]; |
| | | if (textDom.textContent.indexOf(data.txt) > -1) { |
| | | let reg = new RegExp(`${data.txt}`, "ig"); |
| | | switch (type) { |
| | | case "Highlight": |
| | | // 高亮 |
| | | textDom.parentNode.innerHTML = |
| | | textDom.parentNode.innerHTML.replace( |
| | | reg, |
| | | `<span datatype="Highlight" dataid="${data.id}" style="background: ${data.color};" class="highLight" onclick="signClick('Highlight','${data.id}','${data.chapterNum}')">${data.txt}</span>` |
| | | ); |
| | | break; |
| | | case "Dashing": |
| | | // 划线 |
| | | textDom.parentNode.innerHTML = |
| | | textDom.parentNode.innerHTML.replace( |
| | | reg, |
| | | `<span datatype="Dashing" dataid="${data.id}" style="text-decoration-color:${data.color};" class="underline" onclick="signClick('Dashing','${data.id}','${data.chapterNum}')">${data.txt}</span>` |
| | | ); |
| | | break; |
| | | case "Note": |
| | | // 笔记 |
| | | textDom.parentNode.innerHTML = |
| | | textDom.parentNode.innerHTML.replace( |
| | | reg, |
| | | `<span datatype="Note" dataid="${data.id}" style="border-bottom-color:${data.color}" class="notesline" onclick="signClick('Note','${data.id}','${data.chapterNum}')" onmouseover="noteHover('Note','${data.id}','${data.chapterNum}')" onmouseout="noteOut('Note')">${data.txt}<img src="${NoteIcon}"/></span>` |
| | | ); |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | }, |
| | |
| | | if (entry.isIntersecting) { |
| | | const target = entry.target; |
| | | const page = target.getAttribute("page"); |
| | | if (this.loadPageList.indexOf(page) == -1) { |
| | | if (this.loadPageList.indexOf(Number(page)) == -1) { |
| | | const catalogDom = this.tool.getParentNodeByClassName( |
| | | target, |
| | | "chapter" |
| | |
| | | } |
| | | } |
| | | } |
| | | // 添加页码 |
| | | this.loadPageList.push(Number(page)); |
| | | // 渲染这一页的标记 |
| | | for (const key in this.renderSignMap) { |
| | | if (this.renderSignMap[key][page]) { |
| | | this.renderSignMap[key][page].forEach((item) => { |
| | | this.renderSign(key, item); |
| | | }); |
| | | } |
| | | } |
| | | if (this.loadPageList.length > 5) { |
| | | // 超过5页 |
| | | this.loadPageList.shift(); |