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import { observer } from "mobx-react";
import { Key, KeyStore } from "../../fields/Key";
import React = require("react");
import { action, observable, computed } from "mobx";
import { Document } from "../../fields/Document";
import { DocumentViewModel } from "../../viewmodels/DocumentViewModel";
import { DocumentView } from "../nodes/DocumentView";
import { ListField } from "../../fields/ListField";
import { NumberField } from "../../fields/NumberField";
import { SSL_OP_SINGLE_DH_USE } from "constants";
import { DocumentDecorations } from "../../DocumentDecorations";
import { SelectionManager } from "../../util/SelectionManager";
import { Documents } from "../../documents/Documents";
import { ContextMenu } from "../ContextMenu";
import { Opt } from "../../fields/Field";
interface IProps {
fieldKey: Key;
Document: Document;
ContainingDocumentView: Opt<DocumentView>;
}
@observer
export class CollectionFreeFormView extends React.Component<IProps> {
constructor(props: IProps) {
super(props);
}
@computed
public get active():boolean {
var isSelected = (this.props.ContainingDocumentView != undefined && SelectionManager.IsSelected(this.props.ContainingDocumentView));
var childSelected = SelectionManager.SelectedDocuments().some(view => view.props.ContainingCollectionView == this );
var topMost = this.props.ContainingDocumentView != undefined && this.props.ContainingDocumentView.props.ContainingCollectionView == undefined;
return isSelected || childSelected || topMost;
}
_lastX: number = 0;
_lastY:number = 0;
@action
onPointerDown = (e: React.PointerEvent): void =>
{
if (this.active && e.button === 2) {
e.stopPropagation();
e.preventDefault();
document.removeEventListener("pointermove", this.onPointerMove);
document.addEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
document.addEventListener("pointerup", this.onPointerUp);
this._lastX = e.pageX;
this._lastY = e.pageY;
}
}
@action
onPointerUp = (e: PointerEvent): void => {
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
e.stopPropagation();
var topMost = this.props.ContainingDocumentView != undefined && this.props.ContainingDocumentView.props.ContainingCollectionView == undefined;
if (topMost) {
SelectionManager.DeselectAll()
}
}
@action
onPointerMove = (e: PointerEvent): void =>
{
if (!e.cancelBubble) {
e.preventDefault();
e.stopPropagation();
const doc = this.props.Document;
let me = this;
let currScale:number = this.props.Document.GetFieldValue(KeyStore.Scale, NumberField, Number(1));
if (me.props.ContainingDocumentView!.props.ContainingDocumentView != undefined) {
let pme = me.props.ContainingDocumentView!.props.ContainingDocumentView!.props.Document;
currScale = pme.GetFieldValue(KeyStore.Scale, NumberField, Number(0));
}
let x = doc.GetFieldValue(KeyStore.PanX, NumberField, Number(0));
let y = doc.GetFieldValue(KeyStore.PanY, NumberField, Number(0));
doc.SetFieldValue(KeyStore.PanX, x + (e.pageX - this._lastX)/currScale, NumberField);
doc.SetFieldValue(KeyStore.PanY, y + (e.pageY - this._lastY)/currScale, NumberField);
this._lastX = e.pageX;
this._lastY = e.pageY;
DocumentDecorations.Instance.forceUpdate()
}
}
private getLocalPoint(me:DocumentView, inputX: number, inputY: number) {
let ContainerX = inputX;
let ContainerY = inputY;
if (me.props.ContainingDocumentView != undefined) {
let pme = me.props.ContainingDocumentView!;
let {LocalX, Ss, W, Panxx, Xx, LocalY, Panyy, Yy} = this.getLocalPoint(pme, ContainerX, ContainerY);
ContainerX = LocalX;
ContainerY = LocalY;
}
let W = me.props.Document.GetFieldValue(KeyStore.Width, NumberField, Number(0));
let Xx = me.props.Document.GetFieldValue(KeyStore.X, NumberField, Number(0));
let Yy = me.props.Document.GetFieldValue(KeyStore.Y, NumberField, Number(0));
let Ss = me.props.Document.GetFieldValue(KeyStore.Scale, NumberField, Number(1));
let Panxx = me.props.Document.GetFieldValue(KeyStore.PanX, NumberField, Number(0));
let Panyy = me.props.Document.GetFieldValue(KeyStore.PanY, NumberField, Number(0));
let LocalX = W / 2 - (Xx + Panxx) / Ss + (ContainerX - W / 2) / Ss;
let LocalY = -(Yy + Panyy) / Ss + ContainerY / Ss;
return {LocalX, Ss, W, Panxx, Xx, LocalY, Panyy, Yy, ContainerX, ContainerY};
}
@action
onPointerWheel = (e: React.WheelEvent): void =>
{
e.stopPropagation();
let {LocalX, Ss, W, Panxx, Xx, LocalY, Panyy, Yy, ContainerX, ContainerY} = this.getLocalPoint(this.props.ContainingDocumentView!, e.pageX, e.pageY);
var deltaScale = (1 - (e.deltaY / 1000)) * Ss;
var newContainerX = LocalX * deltaScale + W/2-W/2 * deltaScale + Panxx + Xx;
var newContainerY = LocalY * deltaScale + Panyy+ Yy;
let dx = ContainerX - newContainerX;
let dy = ContainerY - newContainerY;
this.props.Document.SetField(KeyStore.Scale, new NumberField(deltaScale));
this.props.Document.SetFieldValue(KeyStore.PanX, Panxx+dx, NumberField);
this.props.Document.SetFieldValue(KeyStore.PanY, Panyy+dy, NumberField);
DocumentDecorations.Instance.forceUpdate()
}
onDrop = (e: React.DragEvent): void => {
e.stopPropagation()
e.preventDefault()
let fReader = new FileReader()
let file = e.dataTransfer.items[0].getAsFile();
let that = this;
const panx: number = this.props.Document.GetFieldValue(KeyStore.PanX, NumberField, Number(0));
const pany: number = this.props.Document.GetFieldValue(KeyStore.PanY, NumberField, Number(0));
let x = e.pageX - panx
let y = e.pageY - pany
fReader.addEventListener("load", action("drop", (event) => {
if (fReader.result) {
let url = "" + fReader.result;
let doc = Documents.ImageDocument(url, {
x: x, y: y
})
let docs = that.props.Document.GetFieldT(KeyStore.Data, ListField);
if (!docs) {
docs = new ListField<Document>();
that.props.Document.SetField(KeyStore.Data, docs)
}
docs.Data.push(doc);
}
}), false)
if (file) {
fReader.readAsDataURL(file)
}
}
@action
removeDocument = (doc: Document): void => {
const value: Document[] = this.props.Document.GetFieldValue(this.props.fieldKey, ListField, [])
if (value.indexOf(doc) !== -1) {
value.splice(value.indexOf(doc), 1)
SelectionManager.DeselectAll()
ContextMenu.Instance.clearItems()
}
}
onDragOver = (e: React.DragEvent): void => {
// console.log(e.dataTransfer)
}
render() {
const { fieldKey, Document: Document } = this.props;
const value: Document[] = Document.GetFieldValue(fieldKey, ListField, []);
const panx: number = Document.GetFieldValue(KeyStore.PanX, NumberField, Number(0));
const pany: number = Document.GetFieldValue(KeyStore.PanY, NumberField, Number(0));
const currScale: number = Document.GetFieldValue(KeyStore.Scale, NumberField, Number(1));
// DocumentDecorations.Instance.forceUpdate()
return (
<div className="border" style={{
borderStyle: "solid",
borderWidth: "2px"
}}>
<div className="collectionfreeformview-container" onPointerDown={this.onPointerDown} onWheel={this.onPointerWheel} onContextMenu={(e) => e.preventDefault()} style={{
width: "100%",
height: "calc(100% - 4px)",
overflow: "hidden"
}} onDrop={this.onDrop} onDragOver={this.onDragOver}>
<div className="collectionfreeformview" style={{ transform: `translate(${panx}px, ${pany}px) scale(${currScale}, ${currScale})` , transformOrigin: `left, top`}}>
<div className="node-container">
{value.map(doc => {
return (<DocumentView key={doc.Id} ContainingCollectionView={this} Document={doc} ContainingDocumentView={this.props.ContainingDocumentView}/>);
})}
</div>
</div>
</div>
</div>
);
}
}
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