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import { observable, action, runInAction, reaction, makeObservable } from 'mobx';
import { Doc, Opt } from '../../fields/Doc';
export class SnappingManager {
private static _manager: SnappingManager;
private static get Instance() {
return SnappingManager._manager ?? new SnappingManager();
}
@observable _shiftKey = false;
@observable _ctrlKey = false;
@observable _metaKey = false;
@observable _isLinkFollowing = false;
@observable _isDragging: boolean = false;
@observable _isResizing: Doc | undefined = undefined;
@observable _canEmbed: boolean = false;
@observable _horizSnapLines: number[] = [];
@observable _vertSnapLines: number[] = [];
@observable _exploreMode = false;
private constructor() {
SnappingManager._manager = this;
makeObservable(this);
}
@action public static clearSnapLines = () => (this.Instance._vertSnapLines.length = this.Instance._horizSnapLines.length = 0);
@action public static addSnapLines = (horizLines: number[], vertLines: number[]) => {
this.Instance._horizSnapLines.push(...horizLines);
this.Instance._vertSnapLines.push(...vertLines);
};
public static get HorizSnapLines() { return this.Instance._horizSnapLines; } // prettier-ignore
public static get VertSnapLines() { return this.Instance._vertSnapLines; } // prettier-ignore
public static get ShiftKey() { return this.Instance._shiftKey; } // prettier-ignore
public static get CtrlKey() { return this.Instance._ctrlKey; } // prettier-ignore
public static get MetaKey() { return this.Instance._metaKey; } // prettier-ignore
public static get IsLinkFollowing(){ return this.Instance._isLinkFollowing; } // prettier-ignore
public static get IsDragging() { return this.Instance._isDragging; } // prettier-ignore
public static get IsResizing() { return this.Instance._isResizing; } // prettier-ignore
public static get CanEmbed() { return this.Instance._canEmbed; } // prettier-ignore
public static get ExploreMode() { return this.Instance._exploreMode; } // prettier-ignore
public static SetShiftKey = (down: boolean) => runInAction(() => (this.Instance._shiftKey = down)); // prettier-ignore
public static SetCtrlKey = (down: boolean) => runInAction(() => (this.Instance._ctrlKey = down)); // prettier-ignore
public static SetMetaKey = (down: boolean) => runInAction(() => (this.Instance._metaKey = down)); // prettier-ignore
public static SetIsLinkFollowing= (follow:boolean)=> runInAction(() => (this.Instance._isLinkFollowing = follow)); // prettier-ignore
public static SetIsDragging = (drag: boolean) => runInAction(() => (this.Instance._isDragging = drag)); // prettier-ignore
public static SetIsResizing = (doc: Opt<Doc>) => runInAction(() => (this.Instance._isResizing = doc)); // prettier-ignore
public static SetCanEmbed = (embed:boolean) => runInAction(() => (this.Instance._canEmbed = embed)); // prettier-ignore
public static SetExploreMode = (state:boolean) => runInAction(() => (this.Instance._exploreMode = state)); // prettier-ignore
}
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