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import { Doc, DocListCast } from '../../fields/Doc';
import { List } from '../../fields/List';
import { listSpec } from '../../fields/Schema';
import { Cast, StrCast } from '../../fields/Types';
import { Docs } from '../documents/Documents';
import { ScriptingGlobals } from './ScriptingGlobals';
export class ScriptManager {
static _initialized = false;
private static _instance: ScriptManager;
public static get Instance(): ScriptManager {
return this._instance || (this._instance = new this());
}
private constructor() {
if (!ScriptManager._initialized) {
ScriptManager._initialized = true;
this.getAllScripts().forEach(scriptDoc => ScriptManager.addScriptToGlobals(scriptDoc));
}
}
public get ScriptManagerDoc(): Doc | undefined {
return Docs.Prototypes.MainScriptDocument();
}
public getAllScripts(): Doc[] {
const sdoc = ScriptManager.Instance.ScriptManagerDoc;
return sdoc ? DocListCast(sdoc.data) : [];
}
public addScript(scriptDoc: Doc): boolean {
const scriptList = this.getAllScripts();
scriptList.push(scriptDoc);
if (ScriptManager.Instance.ScriptManagerDoc) {
ScriptManager.Instance.ScriptManagerDoc.data = new List<Doc>(scriptList);
ScriptManager.addScriptToGlobals(scriptDoc);
return true;
}
return false;
}
public deleteScript(scriptDoc: Doc): boolean {
if (scriptDoc.name) {
ScriptingGlobals.removeGlobal(StrCast(scriptDoc.name));
}
const scriptList = this.getAllScripts();
const index = scriptList.indexOf(scriptDoc);
if (index > -1) {
scriptList.splice(index, 1);
if (ScriptManager.Instance.ScriptManagerDoc) {
ScriptManager.Instance.ScriptManagerDoc.data = new List<Doc>(scriptList);
return true;
}
}
return false;
}
public static addScriptToGlobals(scriptDoc: Doc): void {
ScriptingGlobals.removeGlobal(StrCast(scriptDoc.name));
const params = Cast(scriptDoc['data-params'], listSpec('string'), []);
const paramNames = params.reduce((o: string, p: string) => {
if (params.indexOf(p) === params.length - 1) {
o = o + p.split(':')[0].trim();
} else {
o = o + p.split(':')[0].trim() + ',';
}
return o;
}, '' as string);
const f = new Function(paramNames, StrCast(scriptDoc.script));
Object.defineProperty(f, 'name', { value: StrCast(scriptDoc.name), writable: false });
let parameters = '(';
params.forEach((element: string, i: number) => {
if (i === params.length - 1) {
parameters = parameters + element + ')';
} else {
parameters = parameters + element + ', ';
}
});
if (parameters === '(') {
ScriptingGlobals.add(f, StrCast(scriptDoc.description));
} else {
ScriptingGlobals.add(f, StrCast(scriptDoc.description), parameters);
}
}
}
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