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import { observable, computed } from "mobx";
import React = require("react");
import { SelectionManager } from "./util/SelectionManager";
import { observer } from "mobx-react";
import './DocumentDecorations.scss'
import { CollectionFreeFormView } from "./views/collections/CollectionFreeFormView";
@observer
export class DocumentDecorations extends React.Component {
static Instance: DocumentDecorations
private _resizer = ""
private _isPointerDown = false;
@observable private _opacity = 1;
constructor(props: Readonly<{}>) {
super(props)
DocumentDecorations.Instance = this
}
@computed
get Bounds(): { x: number, y: number, b: number, r: number } {
return SelectionManager.SelectedDocuments().reduce((bounds, element) => {
if (element.props.ContainingCollectionView != undefined &&
!(element.props.ContainingCollectionView instanceof CollectionFreeFormView)) {
return bounds;
}
var spt = element.TransformToScreenPoint(0, 0);
var bpt = element.TransformToScreenPoint(element.width, element.height);
return {
x: Math.min(spt.ScreenX, bounds.x), y: Math.min(spt.ScreenY, bounds.y),
r: Math.max(bpt.ScreenX, bounds.r), b: Math.max(bpt.ScreenY, bounds.b)
}
}, { x: Number.MAX_VALUE, y: Number.MAX_VALUE, r: Number.MIN_VALUE, b: Number.MIN_VALUE });
}
@computed
get opacity(): number {
return this._opacity
}
set opacity(o: number) {
this._opacity = Math.min(Math.max(0, o), 1)
}
onPointerDown = (e: React.PointerEvent): void => {
e.stopPropagation();
if (e.button === 0) {
this._isPointerDown = true;
this._resizer = e.currentTarget.id;
document.removeEventListener("pointermove", this.onPointerMove);
document.addEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
document.addEventListener("pointerup", this.onPointerUp);
}
}
onPointerMove = (e: PointerEvent): void => {
e.stopPropagation();
e.preventDefault();
if (!this._isPointerDown) {
return;
}
let dX = 0, dY = 0, dW = 0, dH = 0;
switch (this._resizer) {
case "":
break;
case "documentDecorations-topLeftResizer":
dX = -1
dY = -1
dW = -(e.movementX)
dH = -(e.movementY)
break;
case "documentDecorations-topRightResizer":
dW = e.movementX
dY = -1
dH = -(e.movementY)
break;
case "documentDecorations-topResizer":
dY = -1
dH = -(e.movementY)
break;
case "documentDecorations-bottomLeftResizer":
dX = -1
dW = -(e.movementX)
dH = e.movementY
break;
case "documentDecorations-bottomRightResizer":
dW = e.movementX
dH = e.movementY
break;
case "documentDecorations-bottomResizer":
dH = e.movementY
break;
case "documentDecorations-leftResizer":
dX = -1
dW = -(e.movementX)
break;
case "documentDecorations-rightResizer":
dW = e.movementX
break;
}
SelectionManager.SelectedDocuments().forEach(element => {
const rect = element.screenRect;
if (rect.width !== 0) {
let scale = element.width / rect.width;
let actualdW = Math.max(element.width + (dW * scale), 20);
let actualdH = Math.max(element.height + (dH * scale), 20);
element.x += dX * (actualdW - element.width);
element.y += dY * (actualdH - element.height);
element.width = actualdW;
element.height = actualdH;
}
})
}
onPointerUp = (e: PointerEvent): void => {
e.stopPropagation();
if (e.button === 0) {
e.preventDefault();
this._isPointerDown = false;
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
}
}
render() {
var bounds = this.Bounds;
return (
<div id="documentDecorations-container" style={{
width: (bounds.r - bounds.x + 40) + "px",
height: (bounds.b - bounds.y + 40) + "px",
left: bounds.x - 20,
top: bounds.y - 20,
opacity: this.opacity
}}>
<div id="documentDecorations-topLeftResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-topResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-topRightResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-leftResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-centerCont"></div>
<div id="documentDecorations-rightResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-bottomLeftResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-bottomResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
<div id="documentDecorations-bottomRightResizer" className="documentDecorations-resizer" onPointerDown={this.onPointerDown} onContextMenu={(e) => e.preventDefault()}></div>
</div>
)
}
}
|
