vxe-table-ro-test
Version:
一个基于 vue 的 PC 端表格组件，支持增删改查、虚拟树、列拖拽，懒加载、快捷菜单、数据校验、树形结构、打印、导入导出、自定义模板、渲染器、JSON 配置式...
296 lines (295 loc) • 15.4 kB
JavaScript
import { createCommentVNode, defineComponent, h, ref, inject, nextTick, onMounted, onUnmounted } from 'vue';
import XEUtils from 'xe-utils';
import { VxeUI } from '../../ui';
import { updateCellTitle, getPropClass } from '../../ui/src/dom';
const { renderer } = VxeUI;
const renderType = 'footer';
function mergeFooterMethod(mergeFooterList, _rowIndex, _columnIndex) {
for (let mIndex = 0; mIndex < mergeFooterList.length; mIndex++) {
const { row: mergeRowIndex, col: mergeColIndex, rowspan: mergeRowspan, colspan: mergeColspan } = mergeFooterList[mIndex];
if (mergeColIndex > -1 && mergeRowIndex > -1 && mergeRowspan && mergeColspan) {
if (mergeRowIndex === _rowIndex && mergeColIndex === _columnIndex) {
return { rowspan: mergeRowspan, colspan: mergeColspan };
}
if (_rowIndex >= mergeRowIndex && _rowIndex < mergeRowIndex + mergeRowspan && _columnIndex >= mergeColIndex && _columnIndex < mergeColIndex + mergeColspan) {
return { rowspan: 0, colspan: 0 };
}
}
}
}
export default defineComponent({
name: 'VxeTableFooter',
props: {
footerTableData: {
type: Array,
default: () => []
},
tableColumn: {
type: Array,
default: () => []
},
fixedColumn: {
type: Array,
default: () => []
},
fixedType: {
type: String,
default: null
}
},
setup(props) {
const $xeTable = inject('$xeTable', {});
const { xID, props: tableProps, reactData: tableReactData, internalData: tableInternalData } = $xeTable;
const { refTableHeader, refTableBody, refValidTooltip } = $xeTable.getRefMaps();
const { computeTooltipOpts, computeColumnOpts } = $xeTable.getComputeMaps();
const refElem = ref();
const refFooterTable = ref();
const refFooterColgroup = ref();
const refFooterTFoot = ref();
const refFooterXSpace = ref();
/**
* 滚动处理
* 如果存在列固定左侧，同步更新滚动状态
* 如果存在列固定右侧，同步更新滚动状态
*/
const scrollEvent = (evnt) => {
const { fixedType } = props;
const { scrollXLoad } = tableReactData;
const { lastScrollLeft } = tableInternalData;
const validTip = refValidTooltip.value;
const tableHeader = refTableHeader.value;
const tableBody = refTableBody.value;
const headerElem = tableHeader ? tableHeader.$el : null;
const footerElem = refElem.value;
const bodyElem = tableBody.$el;
const scrollLeft = footerElem.scrollLeft;
const isX = scrollLeft !== lastScrollLeft;
tableInternalData.lastScrollLeft = scrollLeft;
tableReactData.lastScrollTime = Date.now();
if (headerElem) {
headerElem.scrollLeft = scrollLeft;
}
if (bodyElem) {
bodyElem.scrollLeft = scrollLeft;
}
if (scrollXLoad && isX) {
$xeTable.triggerScrollXEvent(evnt);
}
if (isX && validTip && validTip.reactData.visible) {
validTip.updatePlacement();
}
$xeTable.dispatchEvent('scroll', { type: renderType, fixed: fixedType, scrollTop: bodyElem.scrollTop, scrollLeft, isX, isY: false }, evnt);
};
onMounted(() => {
nextTick(() => {
const { fixedType } = props;
const { elemStore } = tableInternalData;
const prefix = `${fixedType || 'main'}-footer-`;
elemStore[`${prefix}wrapper`] = refElem;
elemStore[`${prefix}table`] = refFooterTable;
elemStore[`${prefix}colgroup`] = refFooterColgroup;
elemStore[`${prefix}list`] = refFooterTFoot;
elemStore[`${prefix}xSpace`] = refFooterXSpace;
});
});
onUnmounted(() => {
const { fixedType } = props;
const { elemStore } = tableInternalData;
const prefix = `${fixedType || 'main'}-footer-`;
elemStore[`${prefix}wrapper`] = null;
elemStore[`${prefix}table`] = null;
elemStore[`${prefix}colgroup`] = null;
elemStore[`${prefix}list`] = null;
elemStore[`${prefix}xSpace`] = null;
});
const renderVN = () => {
let { fixedType, fixedColumn, tableColumn, footerTableData } = props;
const { footerRowClassName, footerCellClassName, footerRowStyle, footerCellStyle, footerAlign: allFooterAlign, footerSpanMethod, align: allAlign, columnKey, showFooterOverflow: allColumnFooterOverflow } = tableProps;
const { visibleColumn } = tableInternalData;
const { scrollXLoad, overflowX, scrollbarWidth, currentColumn, mergeFooterList } = tableReactData;
const tooltipOpts = computeTooltipOpts.value;
const columnOpts = computeColumnOpts.value;
// 如果是使用优化模式
if (fixedType) {
// 如果存在展开行使用全量渲染
if (!tableReactData.expandColumn && (scrollXLoad || allColumnFooterOverflow)) {
if (!mergeFooterList.length || !footerSpanMethod) {
tableColumn = fixedColumn;
}
else {
tableColumn = visibleColumn;
}
}
else {
tableColumn = visibleColumn;
}
}
return h('div', {
ref: refElem,
class: ['vxe-table--footer-wrapper', fixedType ? `fixed-${fixedType}--wrapper` : 'body--wrapper'],
xid: xID,
onScroll: scrollEvent
}, [
fixedType
? createCommentVNode()
: h('div', {
ref: refFooterXSpace,
class: 'vxe-body--x-space'
}),
h('table', {
ref: refFooterTable,
class: 'vxe-table--footer',
xid: xID,
cellspacing: 0,
cellpadding: 0,
border: 0
}, [
/**
* 列宽
*/
h('colgroup', {
ref: refFooterColgroup
}, tableColumn.map((column, $columnIndex) => {
return h('col', {
name: column.id,
key: $columnIndex
});
}).concat(scrollbarWidth
? [
h('col', {
name: 'col_gutter'
})
]
: [])),
/**
* 底部
*/
h('tfoot', {
ref: refFooterTFoot
}, footerTableData.map((list, _rowIndex) => {
const $rowIndex = _rowIndex;
const rowParams = { $table: $xeTable, row: list, _rowIndex, $rowIndex, fixed: fixedType, type: renderType };
return h('tr', {
class: ['vxe-footer--row', footerRowClassName ? XEUtils.isFunction(footerRowClassName) ? footerRowClassName(rowParams) : footerRowClassName : ''],
style: footerRowStyle ? (XEUtils.isFunction(footerRowStyle) ? footerRowStyle(rowParams) : footerRowStyle) : null
}, tableColumn.map((column, $columnIndex) => {
const { type, showFooterOverflow, footerAlign, align, footerClassName, editRender, cellRender } = column;
const renderOpts = editRender || cellRender;
const compConf = renderOpts ? renderer.get(renderOpts.name) : null;
const showAllTip = tooltipOpts.showAll;
const isColGroup = column.children && column.children.length;
const fixedHiddenColumn = fixedType ? column.fixed !== fixedType && !isColGroup : column.fixed && overflowX;
const footOverflow = XEUtils.eqNull(showFooterOverflow) ? allColumnFooterOverflow : showFooterOverflow;
const footAlign = footerAlign || (compConf ? compConf.tableFooterCellAlign : '') || allFooterAlign || align || (compConf ? compConf.tableCellAlign : '') || allAlign;
let showEllipsis = footOverflow === 'ellipsis';
const showTitle = footOverflow === 'title';
const showTooltip = footOverflow === true || footOverflow === 'tooltip';
let hasEllipsis = showTitle || showTooltip || showEllipsis;
const attrs = { colid: column.id };
const tfOns = {};
const columnIndex = $xeTable.getColumnIndex(column);
const _columnIndex = $xeTable.getVTColumnIndex(column);
const itemIndex = _columnIndex;
const cellParams = {
$table: $xeTable,
$grid: $xeTable.xegrid,
row: list,
rowIndex: _rowIndex,
_rowIndex,
$rowIndex,
column,
columnIndex,
$columnIndex,
_columnIndex,
itemIndex,
items: list,
fixed: fixedType,
type: renderType,
data: footerTableData
};
// 纵向虚拟滚动不支持动态行高
if (scrollXLoad && !hasEllipsis) {
showEllipsis = hasEllipsis = true;
}
if (showTitle || showTooltip || showAllTip) {
tfOns.onMouseenter = (evnt) => {
if (showTitle) {
updateCellTitle(evnt.currentTarget, column);
}
else if (showTooltip || showAllTip) {
$xeTable.triggerFooterTooltipEvent(evnt, cellParams);
}
};
}
if (showTooltip || showAllTip) {
tfOns.onMouseleave = (evnt) => {
if (showTooltip || showAllTip) {
$xeTable.handleTargetLeaveEvent(evnt);
}
};
}
tfOns.onClick = (evnt) => {
$xeTable.dispatchEvent('footer-cell-click', Object.assign({ cell: evnt.currentTarget }, cellParams), evnt);
};
tfOns.onDblclick = (evnt) => {
$xeTable.dispatchEvent('footer-cell-dblclick', Object.assign({ cell: evnt.currentTarget }, cellParams), evnt);
};
// 合并行或列
if (mergeFooterList.length) {
const spanRest = mergeFooterMethod(mergeFooterList, _rowIndex, _columnIndex);
if (spanRest) {
const { rowspan, colspan } = spanRest;
if (!rowspan || !colspan) {
return null;
}
if (rowspan > 1) {
attrs.rowspan = rowspan;
}
if (colspan > 1) {
attrs.colspan = colspan;
}
}
}
else if (footerSpanMethod) {
// 自定义合并方法
const { rowspan = 1, colspan = 1 } = footerSpanMethod(cellParams) || {};
if (!rowspan || !colspan) {
return null;
}
if (rowspan > 1) {
attrs.rowspan = rowspan;
}
if (colspan > 1) {
attrs.colspan = colspan;
}
}
return h('td', Object.assign(Object.assign(Object.assign(Object.assign({ class: ['vxe-footer--column', column.id, {
[`col--${footAlign}`]: footAlign,
[`col--${type}`]: type,
'col--last': $columnIndex === tableColumn.length - 1,
'fixed--hidden': fixedHiddenColumn,
'col--ellipsis': hasEllipsis,
'col--current': currentColumn === column
}, getPropClass(footerClassName, cellParams), getPropClass(footerCellClassName, cellParams)] }, attrs), { style: footerCellStyle ? (XEUtils.isFunction(footerCellStyle) ? footerCellStyle(cellParams) : footerCellStyle) : null }), tfOns), { key: columnKey || columnOpts.useKey ? column.id : $columnIndex }), [
h('div', {
class: ['vxe-cell', {
'c--title': showTitle,
'c--tooltip': showTooltip,
'c--ellipsis': showEllipsis
}]
}, column.renderFooter(cellParams))
]);
}).concat(scrollbarWidth
? [
h('td', {
class: 'vxe-footer--gutter col--gutter'
})
]
: []));
}))
])
]);
};
return renderVN;
}
});