pxt-ev3/sim/visuals/nodes/staticView.ts
2017-12-18 13:04:17 -08:00

123 lines
3.6 KiB
TypeScript

namespace pxsim.visuals {
export class StaticModuleView extends View implements LayoutElement {
protected content: SVGSVGElement;
protected controlShown: boolean;
protected selected: boolean;
constructor(protected xml: string, protected prefix: string, protected id: NodeType, protected port: NodeType) {
super();
this.xml = this.normalizeXml(xml);
}
private normalizeXml(xml: string) {
const prefix = this.prefix;
xml = xml.replace(/id=\"(.*?)\"/g, (m: string, id: string) => {
return `id="${this.normalizeId(id)}"`;
});
xml = xml.replace(/url\(#(.*?)\)/g, (m: string, id: string) => {
return `url(#${this.normalizeId(id)}`;
});
xml = xml.replace(/xlink:href=\"#(.*?)\"/g, (m: string, id: string) => {
return `xlink:href="#${this.normalizeId(id)}"`;
});
return xml;
}
protected normalizeId(svgId: string) {
return `${this.prefix}-${svgId}`;
}
public getId() {
return this.id;
}
public getPort() {
return this.port;
}
public getPaddingRatio() {
return 0;
}
public getWiringRatio() {
return 0.5;
}
protected buildDom(width: number): SVGElement {
this.content = svg.parseString(this.xml);
this.updateDimensions(width);
this.buildDomCore();
this.attachEvents();
if (this.hasClick())
this.content.style.cursor = "pointer";
return this.content;
}
protected buildDomCore() {
}
public getInnerHeight() {
if (!this.content) {
return 0;
}
if (!this.content.hasAttribute("viewBox")) {
return parseFloat(this.content.getAttribute("height"));
}
return parseFloat(this.content.getAttribute("viewBox").split(" ")[3]);
}
public getInnerWidth() {
if (!this.content) {
return 0;
}
if (!this.content.hasAttribute("viewBox")) {
return parseFloat(this.content.getAttribute("width"));
}
return parseFloat(this.content.getAttribute("viewBox").split(" ")[2]);
}
public attachEvents() {
}
public resize(width: number) {
this.updateDimensions(width);
}
private updateDimensions(width: number) {
if (this.content) {
const currentWidth = this.getInnerWidth();
const currentHeight = this.getInnerHeight();
const newHeight = currentHeight / currentWidth * width;
this.content.setAttribute('width', `${width}`);
this.content.setAttribute('height', `${newHeight}`);
}
}
public hasClick() {
return true;
}
public setSelected(selected: boolean) {
this.selected = selected;
this.updateOpacity();
}
protected updateOpacity() {
if (this.rendered) {
const opacity = this.selected ? "0.5" : "1";
if (this.hasClick()) {
this.setOpacity(opacity);
if (this.selected) this.content.style.cursor = "";
else this.content.style.cursor = "pointer";
}
}
}
protected setOpacity(opacity: string) {
this.element.setAttribute("opacity", opacity);
}
}
}