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import { deepCopy } from '../../utils/assist';
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const convertColumnOrder = (columns, fixedType) => {
let list = [];
let other = [];
columns.forEach((col) => {
if (col.fixed && col.fixed === fixedType) {
list.push(col);
} else {
other.push(col);
}
});
return list.concat(other);
};
export {convertColumnOrder};
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// set forTableHead to true when convertToRows, false in normal cases like table.vue
const getAllColumns = (cols, forTableHead = false) => {
const columns = deepCopy(cols);
const result = [];
columns.forEach((column) => {
if (column.children) {
if (forTableHead) result.push(column);
result.push.apply(result, getAllColumns(column.children, forTableHead));
} else {
result.push(column);
}
});
return result;
};
export {getAllColumns};
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const convertToRows = (columns, fixedType = false) => {
const originColumns = fixedType ? fixedType === 'left' ? deepCopy(convertColumnOrder(columns, 'left')) : deepCopy(convertColumnOrder(columns, 'right')) : deepCopy(columns);
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let maxLevel = 1;
const traverse = (column, parent) => {
if (parent) {
column.level = parent.level + 1;
if (maxLevel < column.level) {
maxLevel = column.level;
}
}
if (column.children) {
let colSpan = 0;
column.children.forEach((subColumn) => {
traverse(subColumn, column);
colSpan += subColumn.colSpan;
});
column.colSpan = colSpan;
} else {
column.colSpan = 1;
}
};
originColumns.forEach((column) => {
column.level = 1;
traverse(column);
});
const rows = [];
for (let i = 0; i < maxLevel; i++) {
rows.push([]);
}
const allColumns = getAllColumns(originColumns, true);
allColumns.forEach((column) => {
if (!column.children) {
column.rowSpan = maxLevel - column.level + 1;
} else {
column.rowSpan = 1;
}
rows[column.level - 1].push(column);
});
return rows;
};
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export {convertToRows};
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