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import { action, computed } from "mobx";
import { observer } from "mobx-react";
import { Document } from "../../../fields/Document";
import { Opt, FieldWaiting } from "../../../fields/Field";
import { Key, KeyStore } from "../../../fields/Key";
import { ListField } from "../../../fields/ListField";
import { Utils } from "../../../Utils";
import { CollectionDockingView } from "../collections/CollectionDockingView";
import { CollectionFreeFormView } from "../collections/CollectionFreeFormView";
import { CollectionSchemaView } from "../collections/CollectionSchemaView";
import { CollectionViewBase, COLLECTION_BORDER_WIDTH } from "../collections/CollectionViewBase";
import { FormattedTextBox } from "../nodes/FormattedTextBox";
import { ImageBox } from "../nodes/ImageBox";
import "./DocumentView.scss";
import React = require("react");
import { Transform } from "../../util/Transform";
const JsxParser = require('react-jsx-parser').default;//TODO Why does this need to be imported like this?
export interface DocumentViewProps {
DocumentView: Opt<DocumentView> // needed only to set ContainingDocumentView on CollectionViewProps when invoked from JsxParser -- is there a better way?
ContainingCollectionView: Opt<CollectionViewBase>;
Document: Document;
AddDocument?: (doc: Document) => void;
RemoveDocument?: (doc: Document) => boolean;
GetTransform: () => Transform;
ParentScaling: number;
}
@observer
export class DocumentView extends React.Component<DocumentViewProps> {
protected _renderDoc = React.createRef<any>();
protected _mainCont = React.createRef<any>();
get MainContent() {
return this._mainCont;
}
@computed
get parentScaling(): number {
return this._renderDoc.current ? this._renderDoc.current.props.ParentScaling : this.props.ParentScaling > 0 ? this.props.ParentScaling : 1;
}
@computed
get layout(): string {
return this.props.Document.GetText(KeyStore.Layout, "<p>Error loading layout data</p>");
}
@computed
get backgroundLayout(): string {
return this.props.Document.GetText(KeyStore.BackgroundLayout, "");
}
@computed
get layoutKeys(): Key[] {
return this.props.Document.GetData(KeyStore.LayoutKeys, ListField, new Array<Key>());
}
@computed
get layoutFields(): Key[] {
return this.props.Document.GetData(KeyStore.LayoutFields, ListField, new Array<Key>());
}
//
// returns the cumulative scaling between the document and the screen
//
@computed
public get ScalingToScreenSpace(): number {
if (this.props.ContainingCollectionView != undefined &&
this.props.ContainingCollectionView.props.ContainingDocumentView != undefined) {
let ss = this.props.ContainingCollectionView.props.DocumentForCollection.GetNumber(KeyStore.Scale, 1);
return this.props.ContainingCollectionView.props.ContainingDocumentView.ScalingToScreenSpace * ss;
}
return 1;
}
public LeftCorner(): number {
if (this.props.ContainingCollectionView) {
if (this.props.ContainingCollectionView instanceof CollectionDockingView) {
// this is a hacky way to account for the titles/pane placement/etc of a CollectionDockingView
// this only works if the collectionDockingView is the root collection, too.
// need to find a better way.
var { translateX: rx, translateY: ry } = Utils.GetScreenTransform(this.MainContent.current!);
return rx + COLLECTION_BORDER_WIDTH;
}
return COLLECTION_BORDER_WIDTH; // assumes all collections have the same border
}
return 0;
}
public TopCorner(): number {
if (this.props.ContainingCollectionView) {
if (this.props.ContainingCollectionView instanceof CollectionDockingView) {
// this is a hacky way to account for the titles/pane placement/etc of a CollectionDockingView
// this only works if the collectionDockingView is the root collection, too.
// need to find a better way.
var { translateX: rx, translateY: ry } = Utils.GetScreenTransform(this.MainContent.current!);
return ry + COLLECTION_BORDER_WIDTH;
}
return COLLECTION_BORDER_WIDTH; // assumes all collections have the same border
}
return 0;
}
//
// Converts a coordinate in the screen space of the app to a local point in the space of the DocumentView.
// This also returns the point in the coordinate space of this document's containing CollectionView
//
public TransformToLocalPoint(screenX: number, screenY: number) {
// if this collection view is nested within another collection view, then
// first transform the screen point into the parent collection's coordinate space.
let containingCollectionViewDoc = this.props.ContainingCollectionView ? this.props.ContainingCollectionView.props.ContainingDocumentView : undefined;
let { LocalX: parentX, LocalY: parentY } = !containingCollectionViewDoc ? { LocalX: screenX, LocalY: screenY } :
containingCollectionViewDoc.TransformToLocalPoint(screenX, screenY);
let ContainerX: number = parentX - COLLECTION_BORDER_WIDTH;
let ContainerY: number = parentY - COLLECTION_BORDER_WIDTH;
let Ss = this.props.Document.GetNumber(KeyStore.Scale, 1);
let Panxx = this.props.Document.GetNumber(KeyStore.PanX, 0);
let Panyy = this.props.Document.GetNumber(KeyStore.PanY, 0);
let LocalX = (ContainerX - (this.LeftCorner() + Panxx)) / Ss;
let LocalY = (ContainerY - (this.TopCorner() + Panyy)) / Ss;
return { LocalX, LocalY, ContainerX, ContainerY };
}
//
// Converts a point in the coordinate space of the document to coordinate in app screen coordinates
//
public TransformToScreenPoint(localX: number, localY: number, applyViewXf: boolean = false): { ScreenX: number, ScreenY: number } {
var parentScaling = applyViewXf ? this.parentScaling : 1;
let Panxx = applyViewXf ? this.props.Document.GetNumber(KeyStore.PanX, 0) : 0;
let Panyy = applyViewXf ? this.props.Document.GetNumber(KeyStore.PanY, 0) : 0;
var Zoom = applyViewXf ? this.props.Document.GetNumber(KeyStore.Scale, 1) : 1;
let parentX = this.LeftCorner() + (Panxx + (localX - COLLECTION_BORDER_WIDTH) * Zoom) * parentScaling;
let parentY = this.TopCorner() + (Panyy + (localY - COLLECTION_BORDER_WIDTH) * Zoom) * parentScaling;
// if this collection view is nested within another collection view, then
// first transform the local point into the parent collection's coordinate space.
let containingDocView = this.props.ContainingCollectionView ? this.props.ContainingCollectionView.props.ContainingDocumentView : undefined;
if (containingDocView) {
let { ScreenX, ScreenY } = containingDocView.TransformToScreenPoint(parentX + COLLECTION_BORDER_WIDTH * parentScaling, parentY + COLLECTION_BORDER_WIDTH * parentScaling, true);
parentX = ScreenX;
parentY = ScreenY;
}
return { ScreenX: parentX, ScreenY: parentY };
}
render() {
let bindings = { ...this.props } as any;
for (const key of this.layoutKeys) {
bindings[key.Name + "Key"] = key; // this maps string values of the form <keyname>Key to an actual key Kestore.keyname e.g, "DataKey" => KeyStore.Data
}
for (const key of this.layoutFields) {
let field = this.props.Document.Get(key);
bindings[key.Name] = field && field != FieldWaiting ? field.GetValue() : field;
}
if (bindings.DocumentView === undefined) {
bindings.DocumentView = this; // set the DocumentView to this if it hasn't already been set by a sub-class during its render method.
}
if (this.backgroundLayout) {
var backgroundview = <JsxParser
components={{ FormattedTextBox: FormattedTextBox, ImageBox, CollectionFreeFormView, CollectionDockingView, CollectionSchemaView }}
bindings={bindings}
jsx={this.backgroundLayout}
showWarnings={true}
onError={(test: any) => { console.log(test) }}
/>;
bindings["BackgroundView"] = backgroundview;
}
var nativewidth = this.props.Document.GetNumber(KeyStore.NativeWidth, 0);
var nativeheight = this.props.Document.GetNumber(KeyStore.NativeHeight, 0);
var width = nativewidth > 0 ? nativewidth + "px" : "100%";
var height = nativeheight > 0 ? nativeheight + "px" : "100%";
return (
<div className="documentView-node" ref={this._mainCont}
style={{
width: width,
height: height,
transformOrigin: "top left",
transform: `scale(${this.props.ParentScaling},${this.props.ParentScaling})`
}}>
<JsxParser
components={{ FormattedTextBox: FormattedTextBox, ImageBox, CollectionFreeFormView, CollectionDockingView, CollectionSchemaView }}
bindings={bindings}
jsx={this.layout}
showWarnings={true}
onError={(test: any) => { console.log(test) }}
/>
</div>
)
}
}
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