pxt-ev3/sim/visuals/controlView.ts

76 lines
2.5 KiB
TypeScript

/// <reference path="./nodes/moduleView.ts" />
namespace pxsim.visuals {
export const CONTROL_WIDTH = 76.84;
export const CONTROL_HEIGHT = 112.72;
export const CONTROL_TEXT_COLOR = '#000';
export abstract class ControlView<T extends BaseNode> extends SimView<T> implements LayoutElement {
protected content: SVGSVGElement;
abstract getInnerView(parent: SVGSVGElement, globalDefs: SVGDefsElement): SVGElement;
constructor(protected parent: SVGSVGElement, protected globalDefs: SVGDefsElement, protected state: T, protected port: number) {
super(state);
}
getInnerWidth(): number {
return CONTROL_WIDTH;
}
getInnerHeight(): number {
return CONTROL_HEIGHT;
}
getPaddingRatio() {
return 0;
}
getWiringRatio() {
return 0.5;
}
public hasClick() {
return false;
}
buildDom(): SVGElement {
this.content = svg.elt("svg", { viewBox: `0 0 ${this.getInnerWidth()} ${this.getInnerHeight()}` }) as SVGSVGElement;
this.content.appendChild(this.getInnerView(this.parent, this.globalDefs));
return this.content;
}
public resize(width: number, height: number, strict?: boolean) {
super.resize(width, height);
this.updateDimensions(width, height, strict);
}
private updateDimensions(width: number, height: number, strict?: boolean) {
if (this.content) {
const currentWidth = this.getInnerWidth();
const currentHeight = this.getInnerHeight();
const newHeight = currentHeight / currentWidth * width;
const newWidth = currentWidth / currentHeight * height;
if (strict) {
this.content.setAttribute('width', `${width}`);
this.content.setAttribute('height', `${height}`);
} else if (newHeight > height) {
// scale width instead
this.content.setAttribute('width', `${newWidth}`);
this.content.setAttribute('height', `${height}`);
this.width = newWidth;
} else {
this.content.setAttribute('width', `${width}`);
this.content.setAttribute('height', `${newHeight}`);
this.height = newHeight;
}
}
}
onComponentVisible() {
}
}
}