用于对数据分页显示
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/// <reference path="./DataPaging.d.ts"/>
/*
数据分页导航
例子
let dataPaging = new DataPaging({
data: [1, 2, 3, 4, 5, 6, 7, 8, 9],
pageCount: 3,
currentPage: 1,
pageChangeCallBack:function(page){
console.log(page);
}
});
dataPaging.append(document.querySelector("body > div"));
*/
(function (global, factory) {
if (typeof exports === "object" && typeof module !== "undefined") {
module.exports = factory();
// @ts-ignore
} else if (typeof define === "function" && define.amd) {
// @ts-ignore
define(factory);
} else {
// @ts-ignore
global = typeof globalThis !== "undefined" ? globalThis : global || self;
// @ts-ignore
global.DataPaging = factory();
}
})(this, function () {
"use strict";
class Paging {
/**
* @type {DeepRequired<PagingConfig>}
*/
CONFIG = {
data: [],
pageCount: 5,
pageStep: 3,
currentPage: 1,
pageChangeCallBack: function (page) {},
prevBtn: {
enable: true,
callBack: function () {},
},
nextBtn: {
enable: true,
callBack: function () {},
},
firstBtn: {
enable: true,
callBack: function () {},
},
lastBtn: {
enable: true,
callBack: function () {},
},
};
PAGE_CONFIG = {
/**
* 获取当前所在页
* @returns {Number}
*/
getCurrentPage: () => {
// @ts-ignore
return this.DOM_CONFIG.getAttributeWithPageId(
// @ts-ignore
this.DOM_CONFIG.getAttributeWithCurrentPage()
);
},
/** 最大页码 */
maxPage: 1,
};
DOM_CONFIG = {
/* 整个分页元素 */
dataPagingNode: {
localName: "div",
id: "whitesev-datapaging",
dom: null,
},
/* 第一页按钮 */
firstBtnNode: {
localName: "a",
className: "pg-first",
svgHTML: `<svg t="1694497357294" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4758" width="20"><path d="M730.639277 211.376748l60.943177 60.943176-301.698894 301.698893L428.940384 513.075641z" p-id="4759"></path><path d="M730.496772 814.924547l60.943176-60.943176-301.698893-301.698893L428.797879 513.225654z" p-id="4760"></path><path d="M298.666667 213.333333h85.333333v597.333334H298.666667z" p-id="4761"></path></svg>`,
get: () => {
// @ts-ignore
return this.DOM_CONFIG.dataPagingNode.dom.querySelector(
`${this.DOM_CONFIG.firstBtnNode.localName}.${this.DOM_CONFIG.firstBtnNode.className}`
);
},
},
/* 上一页按钮 */
prevBtnNode: {
localName: "a",
className: "pg-prev",
svgHTML: `<svg t="1694497840770" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="5272" width="20"><path d="M620.322607 151.04875l60.943176 60.943176-362.038672 362.038672L258.283935 513.087422z" p-id="5273"></path><path d="M620.180101 875.252545l60.943177-60.943176-362.038672-362.038672L258.141429 513.213873z" p-id="5274"></path></svg>`,
get: () => {
// @ts-ignore
return this.DOM_CONFIG.dataPagingNode.dom.querySelector(
`${this.DOM_CONFIG.prevBtnNode.localName}.${this.DOM_CONFIG.prevBtnNode.className}`
);
},
},
/* 下一页按钮 */
nextBtnNode: {
localName: "a",
className: "pg-next",
svgHTML: `<svg t="1694497949481" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="5465" width="20"><path d="M403.399239 151.02258l-60.943177 60.943177 362.038672 362.038672L765.437911 513.061252z" p-id="5466"></path><path d="M403.576858 875.263008l-60.943176-60.943176 362.038672-362.038672L765.61553 513.224336z" p-id="5467"></path></svg>`,
get: () => {
// @ts-ignore
return this.DOM_CONFIG.dataPagingNode.dom.querySelector(
`${this.DOM_CONFIG.nextBtnNode.localName}.${this.DOM_CONFIG.nextBtnNode.className}`
);
},
},
/* 最后一页按钮 */
lastBtnNode: {
localName: "a",
className: "pg-last",
svgHTML: `<svg t="1694498035538" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2299" width="20"><path d="M516.266667 490.666667L256 230.4 315.733333 170.666667l320 320L315.733333 810.666667 256 750.933333l260.266667-260.266666zM678.4 170.666667h85.333333v640h-85.333333V170.666667z" p-id="2300"></path></svg>`,
get: () => {
// @ts-ignore
return this.DOM_CONFIG.dataPagingNode.dom.querySelector(
`${this.DOM_CONFIG.lastBtnNode.localName}.${this.DOM_CONFIG.lastBtnNode.className}`
);
},
},
/**
* 设置 元素的 页码 值
* @param {HTMLElement} node
*/
// @ts-ignore
setAttributeWithPageId: (node, page) => {
node.setAttribute("page-id", page);
},
/**
* 获取 元素 的页码属性
* @param {HTMLElement} node
* @returns {number|null}
*/
getAttributeWithPageId: (node) => {
return node?.getAttribute("page-id")
? // @ts-ignore
parseInt(node.getAttribute("page-id"))
: null;
},
/**
* 判断 元素 是否存在页码属性
* @param {HTMLElement} node
* @returns {Boolean}
*/
hasAttributeWithPageId: (node) => {
return node.hasAttribute("page-id");
},
/**
* 设置 元素的属性 为当前所在页码
* @param {HTMLElement} node
*/
setAttributeWithCurrentPage: (node) => {
node.setAttribute("data-current-page", "");
},
/**
* 获取当前页码的元素
* @param {HTMLElement?} dataPagingNode
* @returns {HTMLElement|null}
*/
getAttributeWithCurrentPage: (dataPagingNode) => {
return (
// @ts-ignore
(dataPagingNode || this.DOM_CONFIG.dataPagingNode.dom).querySelector(
"a[data-current-page]"
)
);
},
/**
* 判断 元素 是否存在 当前页的属性
* @param {HTMLElement} node
* @returns
*/
hasAttributeWithCurrentPage: (node) => {
return node.hasAttribute("data-current-page");
},
/**
* 移除 当前页码的属性
* @param {HTMLElement} node
*/
removeAttributeWithCurrentPage: (node) => {
node.removeAttribute("data-current-page");
},
/**
* 设置 元素 禁用
* @param {HTMLElement} node
*/
setAttributeWithDisabled: (node) => {
node.setAttribute("disabled", "true");
},
/**
* 移除当前页面的禁用的元素
* @param {HTMLElement|null} dataPagingNode
*/
removeAllAttributeWithDisabled: (dataPagingNode) => {
// @ts-ignore
(dataPagingNode || this.DOM_CONFIG.dataPagingNode.dom)
.querySelectorAll("a[class][disabled]")
.forEach((item) => {
item.removeAttribute("disabled");
});
},
/**
* 获取 第一页 元素节点
* @param {HTMLElement?} dataPagingNode
* @returns {HTMLElement|null}
*/
getFirstPageNode: (dataPagingNode) => {
return (
// @ts-ignore
(dataPagingNode || this.DOM_CONFIG.dataPagingNode.dom).querySelector(
"a[page-id='1']"
)
);
},
/**
* 获取 最后一页 元素节点
* @param {HTMLElement?} dataPagingNode
* @returns {HTMLElement|null}
*/
getLastPageNode: (dataPagingNode) => {
return (
// @ts-ignore
(dataPagingNode || this.DOM_CONFIG.dataPagingNode.dom).querySelector(
`a[page-id='${this.PAGE_CONFIG.maxPage}']`
)
);
},
/**
* 获取当前所有的页码元素节点
* @param {HTMLElement?} dataPagingNode
* @returns {NodeList}
*/
getAllPageNode: (dataPagingNode) => {
return (
// @ts-ignore
(
dataPagingNode || this.DOM_CONFIG.dataPagingNode.dom
).querySelectorAll("a[page-id]")
);
},
};
/**
* @param {PagingConfig} details
*/
constructor(details) {
this.changeConfig(details);
}
/**
* 添加CSS
* @param {Node} target 添加到目标元素
*/
addCSS(target = document.head) {
let cssNode = document.createElement("style");
cssNode.setAttribute("type", "text/css");
cssNode.innerHTML = /*css*/ `@charset "utf-8";
#${this.DOM_CONFIG.dataPagingNode.id} {
text-align: center;
display: inline-block;
}
#${this.DOM_CONFIG.dataPagingNode.id} .${this.DOM_CONFIG.firstBtnNode.className},
#${this.DOM_CONFIG.dataPagingNode.id} .${this.DOM_CONFIG.prevBtnNode.className},
#${this.DOM_CONFIG.dataPagingNode.id} .${this.DOM_CONFIG.nextBtnNode.className},
#${this.DOM_CONFIG.dataPagingNode.id} .${this.DOM_CONFIG.lastBtnNode.className} {
font-family: Arial, sans-serif;
color: #333;
font-size: 22px;
fill: currentColor;
display: inline-flex;
justify-content: center;
align-items: center;
text-decoration: none;
}
#${this.DOM_CONFIG.dataPagingNode.id} a,
#${this.DOM_CONFIG.dataPagingNode.id} span {
width: 45px;
height: 40px;
border: 1px solid #ebebeb;
margin-left: -1px;
color: #000000;
line-height: 40px;
float: left;
font-size: 15px;
text-decoration: none;
margin: 0 2px;
border-radius: 6px;
}
#${this.DOM_CONFIG.dataPagingNode.id} a:hover,
#${this.DOM_CONFIG.dataPagingNode.id} span:hover {
border-color: #3897cd;
color: #3897cd;
position: relative;
z-index: 1;
}
#${this.DOM_CONFIG.dataPagingNode.id} a {
cursor: pointer;
user-select: none;
}
#${this.DOM_CONFIG.dataPagingNode.id} a[data-current-page] {
background-color: #222a35;
color: #fff;
border-color: #ebebeb;
position: relative;
z-index: 1;
}
#${this.DOM_CONFIG.dataPagingNode.id} a.${this.DOM_CONFIG.firstBtnNode.className}[disabled="true"],
#${this.DOM_CONFIG.dataPagingNode.id} a.${this.DOM_CONFIG.prevBtnNode.className}[disabled="true"],
#${this.DOM_CONFIG.dataPagingNode.id} a.${this.DOM_CONFIG.nextBtnNode.className}[disabled="true"],
#${this.DOM_CONFIG.dataPagingNode.id} a.${this.DOM_CONFIG.lastBtnNode.className}[disabled="true"]{
cursor: not-allowed;
border: 1px solid transparent;
color: #c9c9c9;
}
`;
target.appendChild(cssNode);
}
/**
* 获取分页元素
* @returns {Element}
*/
getDataPagingNode() {
let that = this;
let dataPagingNode = document.createElement(
that.DOM_CONFIG.dataPagingNode.localName
);
// @ts-ignore
that.DOM_CONFIG.dataPagingNode.dom = dataPagingNode;
dataPagingNode.id = that.DOM_CONFIG.dataPagingNode.id;
/* 第一页 */
let firstBtnNode = document.createElement(
that.DOM_CONFIG.firstBtnNode.localName
);
firstBtnNode.innerHTML = that.DOM_CONFIG.firstBtnNode.svgHTML;
/* 上一页 */
let prevBtnNode = document.createElement(
that.DOM_CONFIG.prevBtnNode.localName
);
prevBtnNode.innerHTML = that.DOM_CONFIG.prevBtnNode.svgHTML;
/* 下一页 */
let nextBtnNode = document.createElement(
that.DOM_CONFIG.nextBtnNode.localName
);
nextBtnNode.innerHTML = that.DOM_CONFIG.nextBtnNode.svgHTML;
/* 最后一页 */
let lastBtnNode = document.createElement(
that.DOM_CONFIG.lastBtnNode.localName
);
lastBtnNode.innerHTML = that.DOM_CONFIG.lastBtnNode.svgHTML;
firstBtnNode.className = that.DOM_CONFIG.firstBtnNode.className;
prevBtnNode.className = that.DOM_CONFIG.prevBtnNode.className;
nextBtnNode.className = that.DOM_CONFIG.nextBtnNode.className;
lastBtnNode.className = that.DOM_CONFIG.lastBtnNode.className;
/* 计算总数据量除以显示的数据量 得出分页的数量 */
that.PAGE_CONFIG.maxPage = Math.ceil(
that.CONFIG.data.length / that.CONFIG.pageCount
);
/* 校正超出或小于的当前页码 */
if (that.CONFIG.currentPage < 1) {
that.CONFIG.currentPage = 1;
} else if (that.CONFIG.currentPage > that.PAGE_CONFIG.maxPage) {
that.CONFIG.currentPage = that.PAGE_CONFIG.maxPage;
}
/* 超过1 才开启分页 */
if (that.PAGE_CONFIG.maxPage < 2) {
return dataPagingNode;
}
/* 判断第一页按钮 是否开启 */
if (that.CONFIG.firstBtn.enable) {
this.setFirstBtnClickEvent(firstBtnNode, dataPagingNode);
dataPagingNode.appendChild(firstBtnNode);
}
/* 判断上一页按钮 是否开启 */
if (that.CONFIG.prevBtn.enable) {
this.setPrevBtnClickEvent(prevBtnNode, dataPagingNode);
dataPagingNode.appendChild(prevBtnNode);
}
let currentPage = that.CONFIG.currentPage;
/* 计算出的最大页码在限制的显示页码数量内 */
/* 比如计算出的页码总共有5个，设置中当前能显示出的页码按钮元素为3个 */
if (that.CONFIG.pageStep > that.PAGE_CONFIG.maxPage) {
for (
let _currentPage = currentPage;
_currentPage <= that.PAGE_CONFIG.maxPage;
_currentPage++
) {
let pageBtnNode = document.createElement("a");
that.DOM_CONFIG.setAttributeWithPageId(pageBtnNode, _currentPage);
// @ts-ignore
pageBtnNode.innerText = _currentPage;
if (that.CONFIG.currentPage === _currentPage) {
that.DOM_CONFIG.setAttributeWithCurrentPage(pageBtnNode);
}
this.setPageBtnClickEvent(pageBtnNode, dataPagingNode);
dataPagingNode.appendChild(pageBtnNode);
}
} else {
/* 如果 当前页 + 限制显示的页码 大于等于 最大页，那么 从最后一页倒序着添加 */
if (currentPage + that.CONFIG.pageStep > that.PAGE_CONFIG.maxPage) {
currentPage = that.PAGE_CONFIG.maxPage;
/** @type {Node[]} */
let needAppendNodeList = [];
for (let index = 0; index < that.CONFIG.pageStep; index++) {
let pageBtnNode = document.createElement("a");
that.DOM_CONFIG.setAttributeWithPageId(pageBtnNode, currentPage);
// @ts-ignore
pageBtnNode.innerText = currentPage;
if (that.CONFIG.currentPage === currentPage) {
that.DOM_CONFIG.setAttributeWithCurrentPage(pageBtnNode);
}
this.setPageBtnClickEvent(pageBtnNode, dataPagingNode);
needAppendNodeList = [...needAppendNodeList, pageBtnNode];
currentPage--;
}
needAppendNodeList.reverse();
needAppendNodeList.forEach((item) => {
dataPagingNode.appendChild(item);
});
} else {
/* 当前页 在计算出的页码内 */
for (let index = 0; index < that.CONFIG.pageStep; index++) {
let pageBtnNode = document.createElement("a");
that.DOM_CONFIG.setAttributeWithPageId(pageBtnNode, currentPage);
// @ts-ignore
pageBtnNode.innerText = currentPage;
if (that.CONFIG.currentPage === currentPage) {
that.DOM_CONFIG.setAttributeWithCurrentPage(pageBtnNode);
}
this.setPageBtnClickEvent(pageBtnNode, dataPagingNode);
dataPagingNode.appendChild(pageBtnNode);
currentPage++;
}
}
}
/* 判断下一页按钮 是否开启 */
if (that.CONFIG.nextBtn.enable) {
this.setNextBtnClickEvent(nextBtnNode, dataPagingNode);
dataPagingNode.appendChild(nextBtnNode);
}
/* 判断最后一页按钮 是否开启 */
if (that.CONFIG.lastBtn.enable) {
this.setLastBtnClickEvent(lastBtnNode, dataPagingNode);
dataPagingNode.appendChild(lastBtnNode);
}
/* 配置中的当前页码为1时 设置 第一页、上一页按钮禁用 */
if (that.CONFIG.currentPage === 1) {
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.firstBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.prevBtnNode.get()
);
} else if (that.CONFIG.currentPage === that.PAGE_CONFIG.maxPage) {
/* 如果为最大的页码 下一页、最后一页禁用 */
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.nextBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.lastBtnNode.get()
);
}
return dataPagingNode;
}
/**
* 设置 第一页 点击事件
* @param {HTMLElement} btnNode 元素
* @param {HTMLElement} dataPagingNode 分页元素(主)
*/
setFirstBtnClickEvent(btnNode, dataPagingNode) {
let that = this;
btnNode.onclick = function () {
// @ts-ignore
let currentNode = that.DOM_CONFIG.getAttributeWithCurrentPage();
/* 当前页为第一页时无效 */
// @ts-ignore
if (that.DOM_CONFIG.getAttributeWithPageId(currentNode) === 1) {
return;
}
that.CONFIG.firstBtn.callBack();
let allPageNode = that.DOM_CONFIG.getAllPageNode(dataPagingNode);
for (let i = 0; i < that.CONFIG.pageStep; i++) {
let item = allPageNode[i];
/* 设置当前页码为第一页 */
if (i === 0) {
// @ts-ignore
that.DOM_CONFIG.setAttributeWithCurrentPage(item);
} else {
/* 移除其它设置的第一页 */
// @ts-ignore
that.DOM_CONFIG.removeAttributeWithCurrentPage(item);
}
// @ts-ignore
that.DOM_CONFIG.setAttributeWithPageId(item, i + 1);
// @ts-ignore
item.innerText = i + 1;
}
that.DOM_CONFIG.removeAllAttributeWithDisabled(dataPagingNode);
/* 可视区域存在第一页的页码时，禁用第一页、上一页按钮 */
if (that.DOM_CONFIG.getFirstPageNode(dataPagingNode)) {
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.firstBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.prevBtnNode.get()
);
}
that.CONFIG.pageChangeCallBack(1);
};
}
/**
* 设置 上一页 点击事件
* @param {HTMLElement} btnNode 元素
* @param {HTMLElement} dataPagingNode 分页元素(主)
*/
setPrevBtnClickEvent(btnNode, dataPagingNode) {
let that = this;
btnNode.onclick = function () {
// @ts-ignore
let currentNode = that.DOM_CONFIG.getAttributeWithCurrentPage();
/* 当前页为第一页时无效 */
// @ts-ignore
if (that.DOM_CONFIG.getAttributeWithPageId(currentNode) === 1) {
return;
}
that.CONFIG.prevBtn.callBack();
if (
that.DOM_CONFIG.hasAttributeWithPageId(
// @ts-ignore
currentNode.previousElementSibling
)
) {
// @ts-ignore
currentNode.previousElementSibling.click();
} else {
let allPageNode = that.DOM_CONFIG.getAllPageNode(dataPagingNode);
allPageNode.forEach((item, index) => {
// @ts-ignore
let page = that.DOM_CONFIG.getAttributeWithPageId(item);
// @ts-ignore
page--;
// @ts-ignore
that.DOM_CONFIG.setAttributeWithPageId(item, page);
// @ts-ignore
item.innerText = page;
});
that.CONFIG.pageChangeCallBack(that.PAGE_CONFIG.getCurrentPage());
}
that.DOM_CONFIG.removeAllAttributeWithDisabled(dataPagingNode);
/* 如果当前第1页可见，且当前所在页不是第1页，则禁用上一页按钮和第一页按钮 */
if (
that.DOM_CONFIG.getFirstPageNode(dataPagingNode) &&
that.PAGE_CONFIG.getCurrentPage() == 1
) {
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.firstBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.prevBtnNode.get()
);
}
};
}
/**
* 设置 下一页 点击事件
* @param {HTMLElement} btnNode 元素
* @param {HTMLElement} dataPagingNode 分页元素(主)
*/
setNextBtnClickEvent(btnNode, dataPagingNode) {
let that = this;
btnNode.onclick = function () {
// @ts-ignore
let currentNode = that.DOM_CONFIG.getAttributeWithCurrentPage();
/* 当前页出于最后一页时 无效点击 */
if (
// @ts-ignore
that.DOM_CONFIG.getAttributeWithPageId(currentNode) ===
that.PAGE_CONFIG.maxPage
) {
return;
}
that.CONFIG.nextBtn.callBack();
/* 如果后面的按钮存在页码属性 点击 */
if (
// @ts-ignore
that.DOM_CONFIG.hasAttributeWithPageId(currentNode.nextElementSibling)
) {
// @ts-ignore
currentNode.nextElementSibling.click();
} else {
let allPageNode = that.DOM_CONFIG.getAllPageNode(dataPagingNode);
allPageNode.forEach((item, index) => {
// @ts-ignore
let page = that.DOM_CONFIG.getAttributeWithPageId(item);
// @ts-ignore
page++;
// @ts-ignore
if (page > that.PAGE_CONFIG.maxPage) {
return;
}
// @ts-ignore
that.DOM_CONFIG.setAttributeWithPageId(item, page);
// @ts-ignore
item.innerText = page;
});
that.CONFIG.pageChangeCallBack(that.PAGE_CONFIG.getCurrentPage());
}
that.DOM_CONFIG.removeAllAttributeWithDisabled(dataPagingNode);
if (
// @ts-ignore
that.DOM_CONFIG.getLastPageNode() &&
that.PAGE_CONFIG.getCurrentPage() == that.PAGE_CONFIG.maxPage
) {
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.nextBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.lastBtnNode.get()
);
}
};
}
/**
* 设置 最后一页 点击事件
* @param {HTMLElement} btnNode 元素
* @param {HTMLElement} dataPagingNode 分页元素(主)
*/
setLastBtnClickEvent(btnNode, dataPagingNode) {
let that = this;
btnNode.onclick = function () {
// @ts-ignore
let currentNode = that.DOM_CONFIG.getAttributeWithCurrentPage();
if (
// @ts-ignore
that.DOM_CONFIG.getAttributeWithPageId(currentNode) ===
that.PAGE_CONFIG.maxPage
) {
return;
}
that.CONFIG.lastBtn.callBack();
let allPageNode = Array.from(
that.DOM_CONFIG.getAllPageNode(dataPagingNode)
);
allPageNode.reverse();
let pageCount = that.PAGE_CONFIG.maxPage;
let index = 0;
while (true) {
if (that.PAGE_CONFIG.maxPage - pageCount > 3) {
break;
}
let item = allPageNode[index];
if (item == null) {
break;
}
if (index === 0) {
// @ts-ignore
that.DOM_CONFIG.setAttributeWithCurrentPage(item);
} else {
// @ts-ignore
that.DOM_CONFIG.removeAttributeWithCurrentPage(item);
}
// @ts-ignore
that.DOM_CONFIG.setAttributeWithPageId(item, pageCount);
// @ts-ignore
item.innerText = pageCount;
pageCount--;
index++;
}
that.DOM_CONFIG.removeAllAttributeWithDisabled(dataPagingNode);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.nextBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.lastBtnNode.get()
);
that.CONFIG.pageChangeCallBack(that.PAGE_CONFIG.maxPage);
};
}
/**
* 设置 页 点击事件
* @param {HTMLElement} btnNode 元素
* @param {HTMLElement} dataPagingNode 分页元素(主)
* @this {Paging}
*/
setPageBtnClickEvent(btnNode, dataPagingNode) {
let that = this;
btnNode.onclick = function (event) {
let eventBtnNode = event.target;
that.DOM_CONFIG.getAllPageNode(dataPagingNode).forEach((item) => {
/* 是当前点击的页码 */
if (item == eventBtnNode) {
/* 如果 当前点击的页码不是current */
// @ts-ignore
if (!that.DOM_CONFIG.hasAttributeWithCurrentPage(eventBtnNode)) {
// @ts-ignore
that.DOM_CONFIG.setAttributeWithCurrentPage(eventBtnNode);
that.CONFIG.pageChangeCallBack(that.PAGE_CONFIG.getCurrentPage());
}
} else {
// @ts-ignore
that.DOM_CONFIG.removeAttributeWithCurrentPage(item);
}
});
that.DOM_CONFIG.removeAllAttributeWithDisabled(dataPagingNode);
/* 如果当前第1页可见，且当前所在页不是第1页，则禁用上一页按钮和第一页按钮 */
if (
that.DOM_CONFIG.getFirstPageNode(dataPagingNode) &&
that.PAGE_CONFIG.getCurrentPage() == 1
) {
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.firstBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.prevBtnNode.get()
);
}
/* 如果当前最后一页可见，且当前所在页不是最后一页，则禁用下一页按钮和最后一页按钮 */
if (
// @ts-ignore
that.DOM_CONFIG.getLastPageNode() &&
that.PAGE_CONFIG.getCurrentPage() == that.PAGE_CONFIG.maxPage
) {
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.nextBtnNode.get()
);
that.DOM_CONFIG.setAttributeWithDisabled(
that.DOM_CONFIG.lastBtnNode.get()
);
}
};
}
/**
* 把分页添加到某个父元素下
* @param {Node} parentNode
*/
append(parentNode) {
let that = this;
// @ts-ignore
that.DOM_CONFIG.dataPagingNode.dom?.remove();
that.DOM_CONFIG.dataPagingNode.dom = null;
parentNode.appendChild(that.getDataPagingNode());
}
/**
* 动态修改配置，注意，修改后需要.append修改原来的元素
* @param {PagingConfig} details 配置
*/
changeConfig(details) {
Object.assign(this.CONFIG, details);
}
/**
* 刷新页面
* 当总页数5页，当前在第3页，把第3页的数据删完，后面2页的数据会自动往前，需要重新计算数据
* 且重新计算的数据的页数大于当前页（第3页）时，当前页不变，若小于当前页（第3页），则当前页为计算好的最大页
* @param {PagingConfig["data"]} data 新的数据
*/
refresh(data) {
if (data.length === this.CONFIG.data.length) {
return;
}
this.CONFIG.data = [];
// @ts-ignore
this.CONFIG.data = data;
let currentPage = this.PAGE_CONFIG.getCurrentPage();
let maxPage = Math.ceil(data.length / this.CONFIG.pageCount);
if (currentPage > maxPage) {
currentPage = maxPage;
}
this.CONFIG.currentPage = currentPage;
// @ts-ignore
let parentElement = this.DOM_CONFIG.dataPagingNode.dom.parentElement;
this.append(parentElement);
}
}
return Paging;
});