/
local-bounds.ts
114 lines (101 loc) · 4.12 KB
/
local-bounds.ts
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/********************************************************************************
* Copyright (c) 2024 EclipseSource and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the Eclipse
* Public License v. 2.0 are satisfied: GNU General Public License, version 2
* with the GNU Classpath Exception which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
********************************************************************************/
import {
Action,
ActionDispatcher,
Command,
CommandExecutionContext,
CommandResult,
CommandReturn,
ComputedBoundsAction,
ComputedBoundsApplicator,
GModelRoot,
GModelRootSchema,
RequestBoundsAction,
TYPES,
ViewerOptions,
hasArrayProp
} from '@eclipse-glsp/sprotty';
import { inject, injectable } from 'inversify';
import { ServerAction } from '../../base/model/glsp-model-source';
export interface LocalRequestBoundsAction extends RequestBoundsAction {
elementIDs?: string[];
}
export namespace LocalRequestBoundsAction {
export function is(object: unknown): object is LocalRequestBoundsAction {
return RequestBoundsAction.is(object) && !ServerAction.is(object) && hasArrayProp(object, 'elementIDs', true);
}
export function create(newRoot: GModelRootSchema, elementIDs?: string[]): LocalRequestBoundsAction {
return {
...RequestBoundsAction.create(newRoot),
elementIDs
};
}
export function fromCommand(
{ root }: CommandExecutionContext,
actionDispatcher: ActionDispatcher,
cause?: Action,
elementIDs?: string[]
): CommandResult {
// do not modify the main model (modelChanged = false) but request local bounds calculation on hidden model
actionDispatcher.dispatch(LocalRequestBoundsAction.create(root as unknown as GModelRootSchema, elementIDs));
return {
model: root,
modelChanged: false,
cause
};
}
}
export namespace LocalComputedBoundsAction {
export function is(object: unknown): object is RequestBoundsAction {
return ComputedBoundsAction.is(object) && ServerAction.is(object);
}
export function mark(action: ComputedBoundsAction): ComputedBoundsAction {
// mimic: we mark the computed bounds action as coming from the server so it is not sent to the server and handled locally
ServerAction.mark(action);
return action;
}
}
@injectable()
export class LocalComputedBoundsCommand extends Command {
static readonly KIND: string = ComputedBoundsAction.KIND;
@inject(ComputedBoundsApplicator) protected readonly computedBoundsApplicator: ComputedBoundsApplicator;
@inject(TYPES.ViewerOptions) protected readonly viewerOptions: ViewerOptions;
constructor(@inject(TYPES.Action) readonly action: ComputedBoundsAction) {
super();
}
override execute(context: CommandExecutionContext): GModelRoot | CommandResult {
if (LocalComputedBoundsAction.is(this.action)) {
if (!this.viewerOptions.needsClientLayout) {
return context.root;
}
// apply computed bounds from the hidden model and return updated model to render new main model
this.computedBoundsApplicator.apply(context.root as unknown as GModelRootSchema, this.action);
return context.root;
}
// computed bounds action from server -> we do not care and do not trigger any update of the main model
return {
model: context.root,
modelChanged: false
};
}
override undo(context: CommandExecutionContext): CommandReturn {
return context.root;
}
override redo(context: CommandExecutionContext): CommandReturn {
return context.root;
}
}