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add-composition-command.ts
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/
add-composition-command.ts
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/**
* @license
* Copyright 2017 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ViewEditorI18n } from "@dataservices/virtualization/view-editor/view-editor-i18n";
import { Command } from "@dataservices/virtualization/view-editor/command/command";
import { Composition } from "@dataservices/shared/composition.model";
import { CommandType } from "@dataservices/virtualization/view-editor/command/command-type.enum";
export class AddCompositionCommand extends Command {
/**
* The command identifier.
*
* @type {string}
*/
public static readonly id = CommandType.ADD_COMPOSITION_COMMAND;
/**
* The name of the command argument whose value is the stringified composition
*
* @type {string}
*/
public static readonly addedComposition = "addedComposition";
/**
* Constructor
* 'addedComposition' must be Composition object -OR- stringified composition
*
* @param {string | Composition} addedComposition the Composition object, or the stringified composition being
* added (cannot be `null` or empty)
* @param {string} id the command id. If not supplied, an id is generated.
*/
public constructor( addedComposition: string | Composition, id?: string ) {
super( AddCompositionCommand.id, ViewEditorI18n.addCompositionCommandName );
let arg: string;
if ( typeof addedComposition === "string" ) {
arg = addedComposition as string;
} else {
arg = JSON.stringify(addedComposition);
}
this._args.set( AddCompositionCommand.addedComposition, arg );
if (!id) {
//
// Generate new id for this source
//
id = AddCompositionCommand.id + this.idGen;
}
this._args.set( Command.identArg, id);
}
/**
* @returns {string} the composition name
*/
public getComposition(): Composition {
const compStr = this.getArg( AddCompositionCommand.addedComposition ) as string;
const comp = Composition.create(JSON.parse(compStr));
return comp;
}
/**
* @returns {string} json payload for this command
*/
public getPayload( ): string {
return this.getArg( AddCompositionCommand.addedComposition ) as string;
}
/**
* @returns {string} a unique short identifier of this command
*/
public getId( ): string {
return this.getArg( Command.identArg ) as string;
}
}