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location.ts
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184 lines (156 loc) · 4.24 KB
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import { DocumentModel, Node as ComponentNode, ParentalNode } from '../document';
import { LocateEvent } from './dragon';
export interface LocationData {
target: ParentalNode; // shadowNode | ConditionFlow | ElementNode | RootNode
detail: LocationDetail;
source: string;
event: LocateEvent;
}
export enum LocationDetailType {
Children = 'Children',
Prop = 'Prop',
}
export interface LocationChildrenDetail {
type: LocationDetailType.Children;
index?: number | null;
/**
* 是否有效位置
*/
valid?: boolean;
edge?: DOMRect;
near?: {
node: ComponentNode;
pos: 'before' | 'after' | 'replace';
rect?: Rect;
align?: 'V' | 'H';
};
focus?: { type: 'slots' } | { type: 'node'; node: ParentalNode };
}
export interface LocationPropDetail {
// cover 形态，高亮 domNode，如果 domNode 为空，取 container 的值
type: LocationDetailType.Prop;
name: string;
domNode?: HTMLElement;
}
export type LocationDetail = LocationChildrenDetail | LocationPropDetail | { type: string; [key: string]: any };
export interface Point {
clientX: number;
clientY: number;
}
export interface CanvasPoint {
canvasX: number;
canvasY: number;
}
export type Rects = DOMRect[] & {
elements: Array<Element | Text>;
};
export type Rect = DOMRect & {
elements: Array<Element | Text>;
computed?: boolean;
};
export function isLocationData(obj: any): obj is LocationData {
return obj && obj.target && obj.detail;
}
export function isLocationChildrenDetail(obj: any): obj is LocationChildrenDetail {
return obj && obj.type === LocationDetailType.Children;
}
export function isRowContainer(container: Element | Text, win?: Window) {
if (isText(container)) {
return true;
}
const style = (win || getWindow(container)).getComputedStyle(container);
const display = style.getPropertyValue('display');
if (/flex$/.test(display)) {
const direction = style.getPropertyValue('flex-direction') || 'row';
if (direction === 'row' || direction === 'row-reverse') {
return true;
}
}
if (/grid$/.test(display)) {
return true;
}
return false;
}
export function isChildInline(child: Element | Text, win?: Window) {
if (isText(child)) {
return true;
}
const style = (win || getWindow(child)).getComputedStyle(child);
return /^inline/.test(style.getPropertyValue('display')) || /^(left|right)$/.test(style.getPropertyValue('float'));
}
export function getRectTarget(rect: Rect | null) {
if (!rect || rect.computed) {
return null;
}
const els = rect.elements;
return els && els.length > 0 ? els[0]! : null;
}
export function isVerticalContainer(rect: Rect | null) {
const el = getRectTarget(rect);
if (!el) {
return false;
}
return isRowContainer(el);
}
export function isVertical(rect: Rect | null) {
const el = getRectTarget(rect);
if (!el) {
return false;
}
return isChildInline(el) || (el.parentElement ? isRowContainer(el.parentElement) : false);
}
function isText(elem: any): elem is Text {
return elem.nodeType === Node.TEXT_NODE;
}
function isDocument(elem: any): elem is Document {
return elem.nodeType === Node.DOCUMENT_NODE;
}
export function getWindow(elem: Element | Document): Window {
return (isDocument(elem) ? elem : elem.ownerDocument!).defaultView!;
}
export class DropLocation {
readonly target: ParentalNode;
readonly detail: LocationDetail;
readonly event: LocateEvent;
readonly source: string;
get document(): DocumentModel {
return this.target.document;
}
constructor({ target, detail, source, event }: LocationData) {
this.target = target;
this.detail = detail;
this.source = source;
this.event = event;
}
clone(event: LocateEvent): DropLocation {
return new DropLocation({
target: this.target,
detail: this.detail,
source: this.source,
event,
});
}
/**
* @deprecated
* 兼容 vision
*/
getContainer() {
return this.target;
}
/**
* @deprecated
* 兼容 vision
*/
getInsertion() {
if (!this.detail) {
return null;
}
if (this.detail.type === 'Children') {
if (this.detail.index <= 0) {
return null;
}
return this.target.children.get(this.detail.index - 1);
}
return (this.detail as any)?.near?.node;
}
}