@visactor/vtable
Version:
canvas table width high performance
44 lines (40 loc) • 3.44 kB
JavaScript
;
function calcStartPosition(left, top, width, height, contentWidth, contentHeight, textAlign = "left", textBaseline = "middle", margin = [ 0, 0, 0, 0 ], paddingLeft = 0, paddingRight = 0, paddingTop = 0, paddingBottom = 0) {
const right = left + width, bottom = top + height;
let x = left + margin[3] + paddingLeft;
"right" === textAlign || "end" === textAlign ? x = right - contentWidth - margin[1] - paddingRight : "center" === textAlign && (x = left + (width - contentWidth + paddingLeft - paddingRight) / 2);
let y = top + margin[0] + paddingTop;
return "bottom" === textBaseline || "alphabetic" === textBaseline || "ideographic" === textBaseline ? y = bottom - contentHeight - margin[2] - paddingBottom : "middle" === textBaseline && (y = top + (height - contentHeight + paddingTop - paddingBottom) / 2),
{
x: x,
y: y
};
}
function calculateCellRangeDistribution(startCol, startRow, endCol, endRow, table) {
let needRowHeader = !1, needRightRowHeader = !1, needColumnHeader = !1, needBottomColumnHeader = !1, needBody = !1, needCornerHeader = !1, needRightTopCornerHeader = !1, needRightBottomCornerHeader = !1, needLeftBottomCornerHeader = !1;
return startCol <= table.frozenColCount - 1 && startRow <= table.frozenRowCount - 1 && (needCornerHeader = !0),
endCol >= table.colCount - table.rightFrozenColCount && startRow <= table.frozenRowCount - 1 && (needRightTopCornerHeader = !0),
startCol <= table.frozenColCount - 1 && endRow >= table.rowCount - table.bottomFrozenRowCount && (needLeftBottomCornerHeader = !0),
endCol >= table.colCount - table.rightFrozenColCount && endRow >= table.rowCount - table.bottomFrozenRowCount && (needRightBottomCornerHeader = !0),
startCol <= table.frozenColCount - 1 && endRow >= table.frozenRowCount && startRow <= table.rowCount - table.bottomFrozenRowCount - 1 && (needRowHeader = !0),
endCol >= table.colCount - table.rightFrozenColCount && endRow >= table.frozenRowCount && startRow <= table.rowCount - table.bottomFrozenRowCount - 1 && (needRightRowHeader = !0),
startRow <= table.frozenRowCount - 1 && endCol >= table.frozenColCount && startCol <= table.colCount - table.rightFrozenColCount - 1 && (needColumnHeader = !0),
endRow >= table.rowCount - table.bottomFrozenRowCount && endCol >= table.frozenColCount && startCol <= table.colCount - table.rightFrozenColCount - 1 && (needBottomColumnHeader = !0),
startCol <= table.colCount - table.rightFrozenColCount - 1 && endCol >= table.frozenColCount && startRow <= table.rowCount - table.bottomFrozenRowCount - 1 && endRow >= table.frozenRowCount && (needBody = !0),
{
needRowHeader: needRowHeader,
needRightRowHeader: needRightRowHeader,
needColumnHeader: needColumnHeader,
needBottomColumnHeader: needBottomColumnHeader,
needBody: needBody,
needCornerHeader: needCornerHeader,
needRightTopCornerHeader: needRightTopCornerHeader,
needLeftBottomCornerHeader: needLeftBottomCornerHeader,
needRightBottomCornerHeader: needRightBottomCornerHeader
};
}
Object.defineProperty(exports, "__esModule", {
value: !0
}), exports.calculateCellRangeDistribution = exports.calcStartPosition = void 0,
exports.calcStartPosition = calcStartPosition, exports.calculateCellRangeDistribution = calculateCellRangeDistribution;
//# sourceMappingURL=cell-pos.js.map