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import { action, computed } from "mobx";
import { observer } from "mobx-react";
import { Document } from "../../../fields/Document";
import { Opt, FieldWaiting, Field } from "../../../fields/Field";
import { Key } from "../../../fields/Key";
import { KeyStore } from "../../../fields/KeyStore";
import { ListField } from "../../../fields/ListField";
import { NumberField } from "../../../fields/NumberField";
import { TextField } from "../../../fields/TextField";
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 "./NodeView.scss";
import React = require("react");
const JsxParser = require('react-jsx-parser').default;//TODO Why does this need to be imported like this?
export interface DocumentViewProps {
Document: Document;
DocumentView: Opt<DocumentView> // needed only to set ContainingDocumentView on CollectionViewProps when invoked from JsxParser -- is there a better way?
ContainingCollectionView: Opt<CollectionViewBase>;
}
export interface JsxArgs extends DocumentViewProps {
Keys: { [name: string]: Key }
Fields: { [name: string]: Field }
}
/*
This function is pretty much a hack that lets us fill out the fields in JsxArgs with something that
jsx-to-string can recover the jsx from
Example usage of this function:
public static LayoutString() {
let args = FakeJsxArgs(["Data"]);
return jsxToString(
<CollectionFreeFormView
doc={args.Document}
fieldKey={args.Keys.Data}
DocumentViewForField={args.DocumentView} />,
{ useFunctionCode: true, functionNameOnly: true }
)
}
*/
export function FakeJsxArgs(keys: string[], fields: string[] = []): JsxArgs {
let Keys: { [name: string]: any } = {}
let Fields: { [name: string]: any } = {}
for (const key of keys) {
let fn = () => { }
Object.defineProperty(fn, "name", { value: key + "Key" })
Keys[key] = fn;
}
for (const field of fields) {
let fn = () => { }
Object.defineProperty(fn, "name", { value: field })
Fields[field] = fn;
}
let args: JsxArgs = {
Document: function Document() { },
DocumentView: function DocumentView() { },
Keys,
Fields
} as any;
return args;
}
@observer
export class DocumentView extends React.Component<DocumentViewProps> {
protected _mainCont = React.createRef<any>();
get MainContent() {
return this._mainCont;
}
@computed
get layout(): string {
return this.props.Document.GetData(KeyStore.Layout, TextField, String("<p>Error loading layout data</p>"));
}
@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.DocumentViewForField != undefined) {
let ss = this.props.ContainingCollectionView.props.doc.GetData(KeyStore.Scale, NumberField, Number(1));
return this.props.ContainingCollectionView.props.DocumentViewForField.ScalingToScreenSpace * ss;
}
return 1;
}
//
// Converts a coordinate in the screen space of the app into a local document coordinate.
//
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 { LocalX: parentX, LocalY: parentY } = this.props.ContainingCollectionView != undefined &&
this.props.ContainingCollectionView.props.DocumentViewForField != undefined ?
this.props.ContainingCollectionView.props.DocumentViewForField.TransformToLocalPoint(screenX, screenY) :
{ LocalX: screenX, LocalY: screenY };
let ContainerX: number = parentX - COLLECTION_BORDER_WIDTH;
let ContainerY: number = parentY - COLLECTION_BORDER_WIDTH;
var Xx = this.props.Document.GetData(KeyStore.X, NumberField, Number(0));
var Yy = this.props.Document.GetData(KeyStore.Y, NumberField, Number(0));
// CollectionDockingViews change the location of their children frames without using a Dash transformation.
// They also ignore any transformation that may have been applied to their content document.
// NOTE: this currently assumes CollectionDockingViews aren't nested.
if (this.props.ContainingCollectionView instanceof CollectionDockingView) {
var { translateX: rx, translateY: ry } = Utils.GetScreenTransform(this.MainContent.current!);
Xx = rx - COLLECTION_BORDER_WIDTH;
Yy = ry - COLLECTION_BORDER_WIDTH;
}
let Ss = this.props.Document.GetData(KeyStore.Scale, NumberField, Number(1));
let Panxx = this.props.Document.GetData(KeyStore.PanX, NumberField, Number(0));
let Panyy = this.props.Document.GetData(KeyStore.PanY, NumberField, Number(0));
let LocalX = (ContainerX - (Xx + Panxx)) / Ss;
let LocalY = (ContainerY - (Yy + Panyy)) / Ss;
return { LocalX, Ss, Panxx, Xx, LocalY, Panyy, Yy, ContainerX, ContainerY };
}
//
// Converts a point in the coordinate space of a document to a screen space coordinate.
//
public TransformToScreenPoint(localX: number, localY: number, Ss: number = 1, Panxx: number = 0, Panyy: number = 0): { ScreenX: number, ScreenY: number } {
var Xx = this.props.Document.GetData(KeyStore.X, NumberField, Number(0));
var Yy = this.props.Document.GetData(KeyStore.Y, NumberField, Number(0));
// CollectionDockingViews change the location of their children frames without using a Dash transformation.
// They also ignore any transformation that may have been applied to their content document.
// NOTE: this currently assumes CollectionDockingViews aren't nested.
if (this.props.ContainingCollectionView instanceof CollectionDockingView) {
var { translateX: rx, translateY: ry } = Utils.GetScreenTransform(this.MainContent.current!);
Xx = rx - COLLECTION_BORDER_WIDTH;
Yy = ry - COLLECTION_BORDER_WIDTH;
}
let W = COLLECTION_BORDER_WIDTH;
let H = COLLECTION_BORDER_WIDTH;
let parentX = (localX - W) * Ss + (Xx + Panxx) + W;
let parentY = (localY - H) * Ss + (Yy + Panyy) + H;
// 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 != undefined ? this.props.ContainingCollectionView.props.DocumentViewForField : undefined;
if (containingDocView != undefined) {
let ss = containingDocView.props.Document.GetData(KeyStore.Scale, NumberField, Number(1));
let panxx = containingDocView.props.Document.GetData(KeyStore.PanX, NumberField, Number(0)) + COLLECTION_BORDER_WIDTH * ss;
let panyy = containingDocView.props.Document.GetData(KeyStore.PanY, NumberField, Number(0)) + COLLECTION_BORDER_WIDTH * ss;
let { ScreenX, ScreenY } = containingDocView.TransformToScreenPoint(parentX, parentY, ss, panxx, panyy);
parentX = ScreenX;
parentY = ScreenY;
}
return { ScreenX: parentX, ScreenY: parentY };
}
render() {
let bindings = { ...this.props } as any;
let lkeys = this.props.Document.GetT(KeyStore.LayoutKeys, ListField);
if (!lkeys || lkeys === "<Waiting>") {
return <p>Error loading layout keys</p>;
}
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.
}
return (
<div className="node" ref={this._mainCont} style={{ width: "100%", height: "100%", }}>
<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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