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import PropTypes from '../_util/vue-types';
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import BaseMixin from '../_util/BaseMixin';
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import { hasProp, getOptionProps, getComponent, splitAttrs } from '../_util/props-util';
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import Pager from './Pager';
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import Options from './Options';
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import LOCALE from './locale/zh_CN';
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import KEYCODE from './KeyCode';
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import classNames from '../_util/classNames';
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import { defineComponent, withDirectives } from 'vue';
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import antInput from '../_util/antInputDirective';
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function noop() {}
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// 是否是正整数
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function isInteger(value) {
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return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
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}
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function defaultItemRender({ originalElement }) {
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return originalElement;
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}
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function calculatePage(p, state, props) {
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let pageSize = p;
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if (typeof pageSize === 'undefined') {
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pageSize = state.statePageSize;
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}
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return Math.floor((props.total - 1) / pageSize) + 1;
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}
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export default defineComponent({
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name: 'Pagination',
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mixins: [BaseMixin],
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inheritAttrs: false,
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props: {
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disabled: PropTypes.looseBool,
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prefixCls: PropTypes.string.def('rc-pagination'),
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selectPrefixCls: PropTypes.string.def('rc-select'),
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current: PropTypes.number,
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defaultCurrent: PropTypes.number.def(1),
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total: PropTypes.number.def(0),
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pageSize: PropTypes.number,
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defaultPageSize: PropTypes.number.def(10),
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hideOnSinglePage: PropTypes.looseBool.def(false),
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showSizeChanger: PropTypes.looseBool.def(false),
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showLessItems: PropTypes.looseBool.def(false),
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// showSizeChange: PropTypes.func.def(noop),
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selectComponentClass: PropTypes.any,
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showPrevNextJumpers: PropTypes.looseBool.def(true),
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showQuickJumper: PropTypes.oneOfType([PropTypes.looseBool, PropTypes.object]).def(false),
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showTitle: PropTypes.looseBool.def(true),
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pageSizeOptions: PropTypes.arrayOf(PropTypes.string),
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buildOptionText: PropTypes.func,
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showTotal: PropTypes.func,
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simple: PropTypes.looseBool,
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locale: PropTypes.object.def(LOCALE),
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itemRender: PropTypes.func,
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prevIcon: PropTypes.any,
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nextIcon: PropTypes.any,
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jumpPrevIcon: PropTypes.any,
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jumpNextIcon: PropTypes.any,
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},
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data() {
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const props = getOptionProps(this);
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const hasOnChange = this.onChange !== noop;
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const hasCurrent = 'current' in props;
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if (hasCurrent && !hasOnChange) {
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console.warn(
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'Warning: You provided a `current` prop to a Pagination component without an `onChange` handler. This will render a read-only component.',
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); // eslint-disable-line
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}
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let current = this.defaultCurrent;
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if ('current' in props) {
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current = this.current;
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}
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let pageSize = this.defaultPageSize;
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if ('pageSize' in props) {
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pageSize = this.pageSize;
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}
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current = Math.min(current, calculatePage(pageSize, undefined, props));
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return {
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stateCurrent: current,
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stateCurrentInputValue: current,
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statePageSize: pageSize,
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};
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},
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watch: {
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current(val) {
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this.setState({
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stateCurrent: val,
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stateCurrentInputValue: val,
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});
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},
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pageSize(val) {
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const newState = {};
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let current = this.stateCurrent;
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const newCurrent = calculatePage(val, this.$data, this.$props);
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current = current > newCurrent ? newCurrent : current;
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if (!hasProp(this, 'current')) {
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newState.stateCurrent = current;
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newState.stateCurrentInputValue = current;
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}
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newState.statePageSize = val;
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this.setState(newState);
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},
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stateCurrent(val, oldValue) {
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// When current page change, fix focused style of prev item
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// A hacky solution of https://github.com/ant-design/ant-design/issues/8948
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this.$nextTick(() => {
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if (this.$refs.paginationNode) {
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const lastCurrentNode = this.$refs.paginationNode.querySelector(
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`.${this.prefixCls}-item-${oldValue}`,
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);
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if (lastCurrentNode && document.activeElement === lastCurrentNode) {
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lastCurrentNode.blur();
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}
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}
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});
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},
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total() {
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const newState = {};
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const newCurrent = calculatePage(this.pageSize, this.$data, this.$props);
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if (hasProp(this, 'current')) {
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const current = Math.min(this.current, newCurrent);
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newState.stateCurrent = current;
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newState.stateCurrentInputValue = current;
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} else {
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let current = this.stateCurrent;
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if (current === 0 && newCurrent > 0) {
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current = 1;
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} else {
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current = Math.min(this.stateCurrent, newCurrent);
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}
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newState.stateCurrent = current;
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}
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this.setState(newState);
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},
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},
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methods: {
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getJumpPrevPage() {
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return Math.max(1, this.stateCurrent - (this.showLessItems ? 3 : 5));
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},
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getJumpNextPage() {
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return Math.min(
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calculatePage(undefined, this.$data, this.$props),
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this.stateCurrent + (this.showLessItems ? 3 : 5),
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);
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},
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getItemIcon(icon) {
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const { prefixCls } = this.$props;
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const iconNode = getComponent(this, icon, this.$props) || (
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<a class={`${prefixCls}-item-link`} />
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);
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return iconNode;
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},
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getValidValue(e) {
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const inputValue = e.target.value;
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const allPages = calculatePage(undefined, this.$data, this.$props);
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const { stateCurrentInputValue } = this.$data;
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let value;
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if (inputValue === '') {
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value = inputValue;
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} else if (isNaN(Number(inputValue))) {
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value = stateCurrentInputValue;
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} else if (inputValue >= allPages) {
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value = allPages;
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} else {
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value = Number(inputValue);
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}
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return value;
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},
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isValid(page) {
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return isInteger(page) && page !== this.stateCurrent;
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},
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shouldDisplayQuickJumper() {
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const { showQuickJumper, pageSize, total } = this.$props;
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if (total <= pageSize) {
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return false;
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}
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return showQuickJumper;
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},
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// calculatePage (p) {
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// let pageSize = p
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// if (typeof pageSize === 'undefined') {
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// pageSize = this.statePageSize
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// }
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// return Math.floor((this.total - 1) / pageSize) + 1
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// },
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handleKeyDown(event) {
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if (event.keyCode === KEYCODE.ARROW_UP || event.keyCode === KEYCODE.ARROW_DOWN) {
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event.preventDefault();
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}
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},
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handleKeyUp(e) {
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if (e.isComposing || e.target.composing) return;
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const value = this.getValidValue(e);
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const stateCurrentInputValue = this.stateCurrentInputValue;
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if (value !== stateCurrentInputValue) {
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this.setState({
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stateCurrentInputValue: value,
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});
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}
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if (e.keyCode === KEYCODE.ENTER) {
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this.handleChange(value);
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} else if (e.keyCode === KEYCODE.ARROW_UP) {
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this.handleChange(value - 1);
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} else if (e.keyCode === KEYCODE.ARROW_DOWN) {
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this.handleChange(value + 1);
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}
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},
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changePageSize(size) {
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let current = this.stateCurrent;
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const preCurrent = current;
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const newCurrent = calculatePage(size, this.$data, this.$props);
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current = current > newCurrent ? newCurrent : current;
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// fix the issue:
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// Once 'total' is 0, 'current' in 'onShowSizeChange' is 0, which is not correct.
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if (newCurrent === 0) {
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current = this.stateCurrent;
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}
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if (typeof size === 'number') {
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if (!hasProp(this, 'pageSize')) {
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this.setState({
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statePageSize: size,
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});
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}
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if (!hasProp(this, 'current')) {
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this.setState({
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stateCurrent: current,
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stateCurrentInputValue: current,
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});
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}
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}
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this.__emit('update:pageSize', size);
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this.__emit('showSizeChange', current, size);
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if (current !== preCurrent) {
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this.__emit('update:current', current);
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}
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},
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handleChange(p) {
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const { disabled } = this.$props;
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let page = p;
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if (this.isValid(page) && !disabled) {
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const currentPage = calculatePage(undefined, this.$data, this.$props);
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if (page > currentPage) {
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page = currentPage;
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} else if (page < 1) {
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page = 1;
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}
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if (!hasProp(this, 'current')) {
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this.setState({
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stateCurrent: page,
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stateCurrentInputValue: page,
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});
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}
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// this.__emit('input', page)
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this.__emit('update:current', page);
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this.__emit('change', page, this.statePageSize);
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return page;
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}
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return this.stateCurrent;
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},
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prev() {
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if (this.hasPrev()) {
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this.handleChange(this.stateCurrent - 1);
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}
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},
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next() {
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if (this.hasNext()) {
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this.handleChange(this.stateCurrent + 1);
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}
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},
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jumpPrev() {
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this.handleChange(this.getJumpPrevPage());
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},
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jumpNext() {
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this.handleChange(this.getJumpNextPage());
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},
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hasPrev() {
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return this.stateCurrent > 1;
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},
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hasNext() {
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return this.stateCurrent < calculatePage(undefined, this.$data, this.$props);
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},
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runIfEnter(event, callback, ...restParams) {
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if (event.key === 'Enter' || event.charCode === 13) {
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callback(...restParams);
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}
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},
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runIfEnterPrev(event) {
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this.runIfEnter(event, this.prev);
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},
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runIfEnterNext(event) {
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this.runIfEnter(event, this.next);
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},
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runIfEnterJumpPrev(event) {
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this.runIfEnter(event, this.jumpPrev);
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},
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runIfEnterJumpNext(event) {
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this.runIfEnter(event, this.jumpNext);
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},
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handleGoTO(event) {
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if (event.keyCode === KEYCODE.ENTER || event.type === 'click') {
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this.handleChange(this.stateCurrentInputValue);
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}
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},
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},
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render() {
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const { prefixCls, disabled } = this.$props;
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const { class: className, ...restAttrs } = splitAttrs(this.$attrs).extraAttrs;
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// When hideOnSinglePage is true and there is only 1 page, hide the pager
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if (this.hideOnSinglePage === true && this.total <= this.statePageSize) {
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return null;
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}
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const itemRender = this.itemRender || defaultItemRender;
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const props = this.$props;
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const locale = this.locale;
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const allPages = calculatePage(undefined, this.$data, this.$props);
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const pagerList = [];
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let jumpPrev = null;
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let jumpNext = null;
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let firstPager = null;
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let lastPager = null;
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let gotoButton = null;
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const goButton = this.showQuickJumper && this.showQuickJumper.goButton;
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const pageBufferSize = this.showLessItems ? 1 : 2;
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const { stateCurrent, statePageSize } = this;
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const prevPage = stateCurrent - 1 > 0 ? stateCurrent - 1 : 0;
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const nextPage = stateCurrent + 1 < allPages ? stateCurrent + 1 : allPages;
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if (this.simple) {
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if (goButton) {
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if (typeof goButton === 'boolean') {
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gotoButton = (
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<button type="button" onClick={this.handleGoTO} onKeyup={this.handleGoTO}>
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{locale.jump_to_confirm}
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</button>
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);
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} else {
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gotoButton = (
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<span onClick={this.handleGoTO} onKeyup={this.handleGoTO}>
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{goButton}
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</span>
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);
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}
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gotoButton = (
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<li
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title={this.showTitle ? `${locale.jump_to}${this.stateCurrent}/${allPages}` : null}
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class={`${prefixCls}-simple-pager`}
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>
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{gotoButton}
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</li>
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);
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}
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const hasPrev = this.hasPrev();
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const hasNext = this.hasNext();
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return (
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<ul class={classNames(`${prefixCls} ${prefixCls}-simple`, className)} {...restAttrs}>
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<li
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title={this.showTitle ? locale.prev_page : null}
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onClick={this.prev}
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tabindex={hasPrev ? 0 : null}
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onKeypress={this.runIfEnterPrev}
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class={`${hasPrev ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
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aria-disabled={!this.hasPrev()}
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>
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{itemRender({
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page: prevPage,
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type: 'prev',
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originalElement: this.getItemIcon('prevIcon'),
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})}
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</li>
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<li
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title={this.showTitle ? `${stateCurrent}/${allPages}` : null}
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class={`${prefixCls}-simple-pager`}
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>
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{withDirectives(
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<input
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type="text"
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value={this.stateCurrentInputValue}
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onKeydown={this.handleKeyDown}
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onKeyup={this.handleKeyUp}
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onInput={this.handleKeyUp}
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onChange={this.handleKeyUp}
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size="3"
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/>,
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[[antInput]],
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)}
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<span class={`${prefixCls}-slash`}>／</span>
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{allPages}
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</li>
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<li
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title={this.showTitle ? locale.next_page : null}
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onClick={this.next}
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tabindex={this.hasNext ? 0 : null}
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onKeypress={this.runIfEnterNext}
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class={`${hasNext ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
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aria-disabled={!this.hasNext()}
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>
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{itemRender({
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page: nextPage,
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type: 'next',
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originalElement: this.getItemIcon('nextIcon'),
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})}
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</li>
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{gotoButton}
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</ul>
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);
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}
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if (allPages <= 5 + pageBufferSize * 2) {
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const pagerProps = {
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locale,
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rootPrefixCls: prefixCls,
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showTitle: props.showTitle,
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itemRender,
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onClick: this.handleChange,
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onKeypress: this.runIfEnter,
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};
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if (!allPages) {
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pagerList.push(
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<Pager {...pagerProps} key="noPager" page={allPages} class={`${prefixCls}-disabled`} />,
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);
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}
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for (let i = 1; i <= allPages; i++) {
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const active = stateCurrent === i;
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pagerList.push(<Pager {...pagerProps} key={i} page={i} active={active} />);
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}
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} else {
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const prevItemTitle = this.showLessItems ? locale.prev_3 : locale.prev_5;
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const nextItemTitle = this.showLessItems ? locale.next_3 : locale.next_5;
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|
|
if (this.showPrevNextJumpers) {
|
|
|
let jumpPrevClassString = `${prefixCls}-jump-prev`;
|
|
|
if (props.jumpPrevIcon) {
|
|
|
jumpPrevClassString += ` ${prefixCls}-jump-prev-custom-icon`;
|
|
|
}
|
|
|
jumpPrev = (
|
|
|
<li
|
|
|
title={this.showTitle ? prevItemTitle : null}
|
|
|
key="prev"
|
|
|
onClick={this.jumpPrev}
|
|
|
tabindex="0"
|
|
|
onKeypress={this.runIfEnterJumpPrev}
|
|
|
class={jumpPrevClassString}
|
|
|
>
|
|
|
{itemRender({
|
|
|
page: this.getJumpPrevPage(),
|
|
|
type: 'jump-prev',
|
|
|
originalElement: this.getItemIcon('jumpPrevIcon'),
|
|
|
})}
|
|
|
</li>
|
|
|
);
|
|
|
let jumpNextClassString = `${prefixCls}-jump-next`;
|
|
|
if (props.jumpNextIcon) {
|
|
|
jumpNextClassString += ` ${prefixCls}-jump-next-custom-icon`;
|
|
|
}
|
|
|
jumpNext = (
|
|
|
<li
|
|
|
title={this.showTitle ? nextItemTitle : null}
|
|
|
key="next"
|
|
|
tabindex="0"
|
|
|
onClick={this.jumpNext}
|
|
|
onKeypress={this.runIfEnterJumpNext}
|
|
|
class={jumpNextClassString}
|
|
|
>
|
|
|
{itemRender({
|
|
|
page: this.getJumpNextPage(),
|
|
|
type: 'jump-next',
|
|
|
originalElement: this.getItemIcon('jumpNextIcon'),
|
|
|
})}
|
|
|
</li>
|
|
|
);
|
|
|
}
|
|
|
|
|
|
lastPager = (
|
|
|
<Pager
|
|
|
locale={locale}
|
|
|
last
|
|
|
rootPrefixCls={prefixCls}
|
|
|
onClick={this.handleChange}
|
|
|
onKeypress={this.runIfEnter}
|
|
|
key={allPages}
|
|
|
page={allPages}
|
|
|
active={false}
|
|
|
showTitle={this.showTitle}
|
|
|
itemRender={itemRender}
|
|
|
/>
|
|
|
);
|
|
|
firstPager = (
|
|
|
<Pager
|
|
|
locale={locale}
|
|
|
rootPrefixCls={prefixCls}
|
|
|
onClick={this.handleChange}
|
|
|
onKeypress={this.runIfEnter}
|
|
|
key={1}
|
|
|
page={1}
|
|
|
active={false}
|
|
|
showTitle={this.showTitle}
|
|
|
itemRender={itemRender}
|
|
|
/>
|
|
|
);
|
|
|
|
|
|
let left = Math.max(1, stateCurrent - pageBufferSize);
|
|
|
let right = Math.min(stateCurrent + pageBufferSize, allPages);
|
|
|
|
|
|
if (stateCurrent - 1 <= pageBufferSize) {
|
|
|
right = 1 + pageBufferSize * 2;
|
|
|
}
|
|
|
|
|
|
if (allPages - stateCurrent <= pageBufferSize) {
|
|
|
left = allPages - pageBufferSize * 2;
|
|
|
}
|
|
|
|
|
|
for (let i = left; i <= right; i++) {
|
|
|
const active = stateCurrent === i;
|
|
|
pagerList.push(
|
|
|
<Pager
|
|
|
locale={locale}
|
|
|
rootPrefixCls={prefixCls}
|
|
|
onClick={this.handleChange}
|
|
|
onKeypress={this.runIfEnter}
|
|
|
key={i}
|
|
|
page={i}
|
|
|
active={active}
|
|
|
showTitle={this.showTitle}
|
|
|
itemRender={itemRender}
|
|
|
/>,
|
|
|
);
|
|
|
}
|
|
|
|
|
|
if (stateCurrent - 1 >= pageBufferSize * 2 && stateCurrent !== 1 + 2) {
|
|
|
pagerList[0] = (
|
|
|
<Pager
|
|
|
locale={locale}
|
|
|
rootPrefixCls={prefixCls}
|
|
|
onClick={this.handleChange}
|
|
|
onKeypress={this.runIfEnter}
|
|
|
key={left}
|
|
|
page={left}
|
|
|
class={`${prefixCls}-item-after-jump-prev`}
|
|
|
active={false}
|
|
|
showTitle={this.showTitle}
|
|
|
itemRender={itemRender}
|
|
|
/>
|
|
|
);
|
|
|
pagerList.unshift(jumpPrev);
|
|
|
}
|
|
|
if (allPages - stateCurrent >= pageBufferSize * 2 && stateCurrent !== allPages - 2) {
|
|
|
pagerList[pagerList.length - 1] = (
|
|
|
<Pager
|
|
|
locale={locale}
|
|
|
rootPrefixCls={prefixCls}
|
|
|
onClick={this.handleChange}
|
|
|
onKeypress={this.runIfEnter}
|
|
|
key={right}
|
|
|
page={right}
|
|
|
class={`${prefixCls}-item-before-jump-next`}
|
|
|
active={false}
|
|
|
showTitle={this.showTitle}
|
|
|
itemRender={itemRender}
|
|
|
/>
|
|
|
);
|
|
|
pagerList.push(jumpNext);
|
|
|
}
|
|
|
|
|
|
if (left !== 1) {
|
|
|
pagerList.unshift(firstPager);
|
|
|
}
|
|
|
if (right !== allPages) {
|
|
|
pagerList.push(lastPager);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
let totalText = null;
|
|
|
|
|
|
if (this.showTotal) {
|
|
|
totalText = (
|
|
|
<li class={`${prefixCls}-total-text`}>
|
|
|
{this.showTotal(this.total, [
|
|
|
this.total === 0 ? 0 : (stateCurrent - 1) * statePageSize + 1,
|
|
|
stateCurrent * statePageSize > this.total ? this.total : stateCurrent * statePageSize,
|
|
|
])}
|
|
|
</li>
|
|
|
);
|
|
|
}
|
|
|
const prevDisabled = !this.hasPrev() || !allPages;
|
|
|
const nextDisabled = !this.hasNext() || !allPages;
|
|
|
const buildOptionText = this.buildOptionText || this.$slots.buildOptionText;
|
|
|
return (
|
|
|
<ul
|
|
|
unselectable="unselectable"
|
|
|
ref="paginationNode"
|
|
|
{...restAttrs}
|
|
|
class={classNames(
|
|
|
{ [`${prefixCls}`]: true, [`${prefixCls}-disabled`]: disabled },
|
|
|
className,
|
|
|
)}
|
|
|
>
|
|
|
{totalText}
|
|
|
<li
|
|
|
title={this.showTitle ? locale.prev_page : null}
|
|
|
onClick={this.prev}
|
|
|
tabindex={prevDisabled ? null : 0}
|
|
|
onKeypress={this.runIfEnterPrev}
|
|
|
class={`${!prevDisabled ? '' : `${prefixCls}-disabled`} ${prefixCls}-prev`}
|
|
|
aria-disabled={prevDisabled}
|
|
|
>
|
|
|
{itemRender({
|
|
|
page: prevPage,
|
|
|
type: 'prev',
|
|
|
originalElement: this.getItemIcon('prevIcon'),
|
|
|
})}
|
|
|
</li>
|
|
|
{pagerList}
|
|
|
<li
|
|
|
title={this.showTitle ? locale.next_page : null}
|
|
|
onClick={this.next}
|
|
|
tabindex={nextDisabled ? null : 0}
|
|
|
onKeypress={this.runIfEnterNext}
|
|
|
class={`${!nextDisabled ? '' : `${prefixCls}-disabled`} ${prefixCls}-next`}
|
|
|
aria-disabled={nextDisabled}
|
|
|
>
|
|
|
{itemRender({
|
|
|
page: nextPage,
|
|
|
type: 'next',
|
|
|
originalElement: this.getItemIcon('nextIcon'),
|
|
|
})}
|
|
|
</li>
|
|
|
<Options
|
|
|
disabled={disabled}
|
|
|
locale={locale}
|
|
|
rootPrefixCls={prefixCls}
|
|
|
selectComponentClass={this.selectComponentClass}
|
|
|
selectPrefixCls={this.selectPrefixCls}
|
|
|
changeSize={this.showSizeChanger ? this.changePageSize : null}
|
|
|
current={stateCurrent}
|
|
|
pageSize={statePageSize}
|
|
|
pageSizeOptions={this.pageSizeOptions}
|
|
|
buildOptionText={buildOptionText || null}
|
|
|
quickGo={this.shouldDisplayQuickJumper() ? this.handleChange : null}
|
|
|
goButton={goButton}
|
|
|
/>
|
|
|
</ul>
|
|
|
);
|
|
|
},
|
|
|
});
|
