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import React = require("react");
import { computed } from "mobx";
import { observer } from "mobx-react";
import "react-table/react-table.css";
import { Doc, Opt, WidthSym, HeightSym } from "../../../fields/Doc";
import { NumCast, StrCast, Cast } from "../../../fields/Types";
import { TraceMobx } from "../../../fields/util";
import { emptyFunction, returnOne } from "../../../Utils";
import '../DocumentDecorations.scss';
import { DocumentView, DocumentViewProps } from "../nodes/DocumentView";
import "./ContentFittingDocumentView.scss";
@observer
export class ContentFittingDocumentView extends React.Component<DocumentViewProps>{
public get displayName() { return "DocumentView(" + this.props.Document?.title + ")"; } // this makes mobx trace() statements more descriptive
private get layoutDoc() {
return this.props.LayoutTemplate?.() ||
(this.props.layoutKey && Doc.Layout(this.props.Document, Cast(this.props.Document[this.props.layoutKey], Doc, null))) ||
Doc.Layout(this.props.Document);
}
@computed get freezeDimensions() { return this.props.FreezeDimensions; }
nativeWidth = () => NumCast(this.layoutDoc?._nativeWidth, this.props.NativeWidth?.() || (this.freezeDimensions && this.layoutDoc ? this.layoutDoc[WidthSym]() : this.props.PanelWidth()));
nativeHeight = () => NumCast(this.layoutDoc?._nativeHeight, this.props.NativeHeight?.() || (this.freezeDimensions && this.layoutDoc ? this.layoutDoc[HeightSym]() : this.props.PanelHeight()));
@computed get scaling() {
const wscale = this.props.PanelWidth() / this.nativeWidth();
if (wscale * this.nativeHeight() > this.props.PanelHeight()) {
return (this.props.PanelHeight() / this.nativeHeight()) || 1;
}
return wscale || 1;
}
private contentScaling = () => this.scaling;
private PanelWidth = () => this.panelWidth;
private PanelHeight = () => this.panelHeight;
@computed get panelWidth() { return this.nativeWidth && !this.props.Document._fitWidth ? this.nativeWidth() * this.contentScaling() : this.props.PanelWidth(); }
@computed get panelHeight() { return this.nativeHeight && !this.props.Document._fitWidth ? this.nativeHeight() * this.contentScaling() : this.props.PanelHeight(); }
private getTransform = () => this.props.ScreenToLocalTransform().translate(-this.centeringOffset, -this.centeringYOffset).scale(1 / this.contentScaling());
private get centeringOffset() { return this.nativeWidth() && !this.props.Document._fitWidth ? (this.props.PanelWidth() - this.nativeWidth() * this.contentScaling()) / 2 : 0; }
private get centeringYOffset() { return Math.abs(this.centeringOffset) < 0.001 ? (this.props.PanelHeight() - this.nativeHeight() * this.contentScaling()) / 2 : 0; }
@computed get borderRounding() { return StrCast(this.props.Document?.borderRounding); }
render() {
TraceMobx();
return (<div className="contentFittingDocumentView" style={{
width: Math.abs(this.centeringYOffset) > 0.001 ? "auto" : this.props.PanelWidth(),
height: Math.abs(this.centeringOffset) > 0.0001 ? "auto" : this.props.PanelHeight()
}}>
{!this.props.Document || !this.props.PanelWidth ? (null) : (
<div className="contentFittingDocumentView-previewDoc"
style={{
transform: `translate(${this.centeringOffset}px, 0px)`,
borderRadius: this.borderRounding,
height: Math.abs(this.centeringYOffset) > 0.001 ? `${100 * this.nativeHeight() / this.nativeWidth() * this.props.PanelWidth() / this.props.PanelHeight()}%` : this.props.PanelHeight(),
width: Math.abs(this.centeringOffset) > 0.001 ? `${100 * (this.props.PanelWidth() - this.centeringOffset * 2) / this.props.PanelWidth()}%` : this.props.PanelWidth()
}}>
<DocumentView {...this.props}
Document={this.props.Document}
DataDoc={this.props.DataDoc}
LayoutTemplate={this.props.LayoutTemplate}
LayoutTemplateString={this.props.LayoutTemplateString}
LibraryPath={this.props.LibraryPath}
NativeWidth={this.nativeWidth}
NativeHeight={this.nativeHeight}
PanelWidth={this.PanelWidth}
PanelHeight={this.PanelHeight}
ContentScaling={this.contentScaling}
fitToBox={this.props.fitToBox}
layoutKey={this.props.layoutKey}
dropAction={this.props.dropAction}
onClick={this.props.onClick}
backgroundColor={this.props.backgroundColor}
addDocument={this.props.addDocument}
removeDocument={this.props.removeDocument}
moveDocument={this.props.moveDocument}
whenActiveChanged={this.props.whenActiveChanged}
ContainingCollectionView={this.props.ContainingCollectionView}
ContainingCollectionDoc={this.props.ContainingCollectionDoc}
addDocTab={this.props.addDocTab}
pinToPres={this.props.pinToPres}
parentActive={this.props.parentActive}
ScreenToLocalTransform={this.getTransform}
renderDepth={this.props.renderDepth}
focus={this.props.focus || emptyFunction}
bringToFront={emptyFunction}
dontRegisterView={this.props.dontRegisterView}
/>
</div>)}
</div>);
}
}
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