@antv/s2
Version:
effective spreadsheet render core lib
143 lines • 6.04 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ColHeader = void 0;
const g_1 = require("@antv/g");
const lodash_1 = require("lodash");
const col_cell_1 = require("../../cell/col-cell");
const constant_1 = require("../../common/constant");
const utils_1 = require("../utils");
const base_1 = require("./base");
const util_1 = require("./util");
/**
* Column Header for SpreadSheet
*/
class ColHeader extends base_1.BaseHeader {
initGroups() {
this.scrollGroup = this.appendChild(new g_1.Group({
name: constant_1.KEY_GROUP_COL_SCROLL,
style: { zIndex: constant_1.FRONT_GROUND_GROUP_SCROLL_Z_INDEX },
}));
this.frozenGroup = this.appendChild(new g_1.Group({
name: constant_1.KEY_GROUP_COL_FROZEN,
style: { zIndex: constant_1.FRONT_GROUND_GROUP_FROZEN_Z_INDEX },
}));
this.frozenTrailingGroup = this.appendChild(new g_1.Group({
name: constant_1.KEY_GROUP_COL_FROZEN_TRAILING,
style: { zIndex: constant_1.FRONT_GROUND_GROUP_FROZEN_Z_INDEX },
}));
this.extraFrozenNodes = (0, util_1.getExtraFrozenColNodes)(this.headerConfig.spreadsheet.facet);
}
getCellGroup(node) {
if (node.isFrozenHead) {
return this.frozenGroup;
}
if (node.isFrozenTrailing) {
return this.frozenTrailingGroup;
}
return this.scrollGroup;
}
getCellInstance(node) {
const headerConfig = this.getHeaderConfig();
const { spreadsheet } = this.getHeaderConfig();
const { colCell } = spreadsheet.options;
return ((colCell === null || colCell === void 0 ? void 0 : colCell(node, spreadsheet, headerConfig)) ||
new col_cell_1.ColCell(node, spreadsheet, headerConfig));
}
appendNode(node) {
const { spreadsheet } = this.getHeaderConfig();
const group = this.getCellGroup(node);
const cell = this.getCellInstance(node);
node.belongsCell = cell;
group === null || group === void 0 ? void 0 : group.appendChild(cell);
spreadsheet.emit(constant_1.S2Event.COL_CELL_RENDER, cell);
spreadsheet.emit(constant_1.S2Event.LAYOUT_CELL_RENDER, cell);
}
layout() {
const { nodes } = this.getHeaderConfig();
(0, lodash_1.each)(nodes, (node) => {
if (this.isColCellInRect(node)) {
this.appendNode(node);
}
});
(0, lodash_1.each)(this.extraFrozenNodes, (node) => {
this.appendNode(node);
});
}
/**
* Make colHeader scroll with hScrollBar
* @param scrollX horizontal offset
* @param cornerWidth only has real meaning when scroll contains rowCell
* @param type
*/
onColScroll(scrollX, type) {
if (this.headerConfig.scrollX !== scrollX) {
this.headerConfig.scrollX = scrollX;
this.render(type);
}
}
clip() {
const { height, spreadsheet, position, viewportWidth, cornerWidth = 0, scrollX = 0, } = this.getHeaderConfig();
const facet = spreadsheet.facet;
const frozenGroupAreas = facet.frozenGroupAreas;
const frozenColGroupWidth = frozenGroupAreas[constant_1.FrozenGroupArea.Col].width;
const frozenTrailingColGroupWidth = frozenGroupAreas[constant_1.FrozenGroupArea.TrailingCol].width;
const { x, width } = (0, util_1.getScrollGroupClip)(facet, position);
this.scrollGroup.style.clipPath = new g_1.Rect({
style: {
x,
y: position.y,
width,
height,
},
});
this.frozenGroup.style.clipPath = new g_1.Rect({
style: {
x: position.x - (0, util_1.getFrozenColOffset)(facet, cornerWidth, scrollX),
y: position.y,
width: frozenColGroupWidth,
height,
},
});
this.frozenTrailingGroup.style.clipPath = new g_1.Rect({
style: {
x: position.x + viewportWidth - frozenTrailingColGroupWidth,
y: position.y,
width: frozenTrailingColGroupWidth,
height,
},
});
}
isColCellInRect(node) {
const { spreadsheet, cornerWidth = 0, viewportWidth, scrollX = 0, position, } = this.getHeaderConfig();
const frozenGroupAreas = spreadsheet.facet
.frozenGroupAreas;
let leftBoundary;
const frozenColWidth = frozenGroupAreas[constant_1.FrozenGroupArea.Col].width;
const frozenTrailingColWidth = frozenGroupAreas[constant_1.FrozenGroupArea.TrailingCol].width;
if (spreadsheet.isFrozenRowHeader()) {
leftBoundary = frozenColWidth;
}
else if (frozenColWidth) {
// 如果存在列冻结，那么 frame 最多滚动到最左侧，即滚动 cornerWidth 的宽度
leftBoundary = frozenColWidth - cornerWidth;
}
else {
leftBoundary = -position.x;
}
return (
// don't care about scrollY, because there is only freeze col-header exist
viewportWidth - frozenTrailingColWidth >= node.x - scrollX &&
leftBoundary <= node.x + node.width - scrollX);
}
offset() {
const { viewportWidth, scrollX = 0, position, spreadsheet, cornerWidth, } = this.getHeaderConfig();
(0, utils_1.translateGroup)(this.scrollGroup, position.x - scrollX, position.y);
const facet = spreadsheet.facet;
const colOffset = (0, util_1.getFrozenColOffset)(facet, cornerWidth, scrollX);
const trailingColOffset = (0, util_1.getFrozenTrailingColOffset)(facet, viewportWidth);
(0, utils_1.translateGroup)(this.frozenGroup, position.x - colOffset, position.y);
(0, utils_1.translateGroup)(this.frozenTrailingGroup, position.x - trailingColOffset, position.y);
}
}
exports.ColHeader = ColHeader;
//# sourceMappingURL=col.js.map