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import { observable, computed } from "mobx";
import React = require("react");
import { DocumentView } from "./views/nodes/DocumentView";
import { SelectionManager } from "./util/SelectionManager";
import { observer } from "mobx-react";
import './DocumentDecorations.scss'
@observer
export class DocumentDecorations extends React.Component {
static Instance: DocumentDecorations
constructor(props: Readonly<{}>) {
super(props)
DocumentDecorations.Instance = this
}
get x(): number {
let left = Number.MAX_VALUE;
SelectionManager.SelectedDocuments().forEach(element => {
if (element.mainCont.current !== null) {
left = Math.min(element.mainCont.current.getBoundingClientRect().left, left)
}
});
return left;
}
get y(): number {
let top = Number.MAX_VALUE;
SelectionManager.SelectedDocuments().forEach(element => {
if (element.mainCont.current !== null) {
top = Math.min(element.mainCont.current.getBoundingClientRect().top, top)
}
});
return top;
}
get height(): number {
return (SelectionManager.SelectedDocuments().reduce((bottom, element) => {
if (element.mainCont.current !== null) {
return Math.max(element.mainCont.current.getBoundingClientRect().bottom, bottom)
}
else {
return bottom
}
}, Number.MIN_VALUE)) - this.y;
}
get width(): number {
let right = Number.MIN_VALUE;
SelectionManager.SelectedDocuments().forEach(element => {
if (element.mainCont.current !== null) {
right = Math.max(element.mainCont.current.getBoundingClientRect().right, right)
}
});
return right - this.x;
}
private _resizer = ""
private _isPointerDown = false;
@observable private _opacity = 1;
@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 => {
if (element.mainCont.current !== null) {
let scale = element.width / element.mainCont.current.getBoundingClientRect().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;
}
})
this.forceUpdate()
}
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() {
return (
<div id="documentDecorations-container" style={{
width: `${this.width + 40}px`,
height: `${this.height + 40}px`,
left: this.x - 20,
top: this.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>
)
}
}
|
