@antv/s2
Version:
effective spreadsheet render core lib
44 lines • 1.81 kB
JavaScript
import { floor } from '../../utils/math';
import { Frame } from '../header/frame';
import { BaseBBox } from './base-bbox';
export class PanelBBox extends BaseBBox {
calculateBBox() {
this.calculateOriginWidth();
this.calculateOriginalHeight();
const { cornerBBox } = this.facet;
const cornerPosition = {
x: floor(cornerBBox.maxX),
y: floor(cornerBBox.maxY),
};
// splitLine 也应该占位，panelBBox = canvasBBox - cornerBBox - splitLineBBox
this.x = cornerPosition.x + Frame.getVerticalBorderWidth(this.spreadsheet);
this.y =
cornerPosition.y + Frame.getHorizontalBorderWidth(this.spreadsheet);
this.minX = this.x;
this.minY = this.y;
this.width = this.getPanelWidth();
this.height = this.getPanelHeight();
this.viewportHeight = Math.abs(floor(Math.min(this.height, this.originalHeight)));
this.viewportWidth = Math.abs(floor(Math.min(this.width, this.originalWidth)));
this.maxX = this.x + this.viewportWidth;
this.maxY = this.y + this.viewportHeight;
}
calculateOriginalHeight() {
this.originalHeight = this.facet.getRealHeight();
}
calculateOriginWidth() {
this.originalWidth = this.facet.getRealWidth();
}
getPanelWidth() {
const { width: canvasWidth } = this.spreadsheet.options;
const panelWidth = Math.max(0, canvasWidth - this.x);
return panelWidth;
}
getPanelHeight() {
const scrollBarSize = this.spreadsheet.theme.scrollBar.size;
const { height: canvasHeight } = this.spreadsheet.options;
const panelHeight = Math.max(0, canvasHeight - this.y - scrollBarSize);
return panelHeight;
}
}
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