wisemapping-frontend/packages/mindplot/src/components/layout/EventBusDispatcher.ts
2022-02-28 16:13:26 -08:00

90 lines
3.1 KiB
TypeScript

/*
* Copyright [2021] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* 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 PositionType from '../PositionType';
import SizeType from '../SizeType';
import Topic from '../Topic';
import EventBus from './EventBus';
import LayoutManager from './LayoutManager';
class EventBusDispatcher {
private _layoutManager: LayoutManager;
constructor() {
this.registerBusEvents();
}
setLayoutManager(layoutManager: LayoutManager) {
this._layoutManager = layoutManager;
}
registerBusEvents() {
EventBus.instance.addEvent('topicAdded', this._topicAdded.bind(this));
EventBus.instance.addEvent('topicRemoved', this._topicRemoved.bind(this));
EventBus.instance.addEvent('topicResize', this._topicResizeEvent.bind(this));
EventBus.instance.addEvent('topicMoved', this._topicMoved.bind(this));
EventBus.instance.addEvent('topicDisconect', this._topicDisconect.bind(this));
EventBus.instance.addEvent('topicConnected', this._topicConnected.bind(this));
EventBus.instance.addEvent('childShrinked', this._childShrinked.bind(this));
EventBus.instance.addEvent('forceLayout', this._forceLayout.bind(this));
}
private _topicResizeEvent(args: { node: Topic, size: SizeType }) {
this._layoutManager.updateNodeSize(args.node.getId(), args.size);
}
private _topicMoved(args: { node: Topic, position: PositionType }) {
this._layoutManager.moveNode(args.node.getId(), args.position);
}
private _topicDisconect(node: Topic) {
this._layoutManager.disconnectNode(node.getId());
}
private _topicConnected(args: { parentNode: Topic, childNode: Topic }) {
this._layoutManager.connectNode(
args.parentNode.getId(), args.childNode.getId(), args.childNode.getOrder(),
);
}
private _childShrinked(node: Topic) {
this._layoutManager.updateShrinkState(node.getId(), node.areChildrenShrunken());
}
private _topicAdded(node: Topic) {
// Central topic must not be added twice ...
if (node.getId() !== 0) {
this._layoutManager.addNode(node.getId(), { width: 10, height: 10 }, node.getPosition());
this._layoutManager.updateShrinkState(node.getId(), node.areChildrenShrunken());
}
}
private _topicRemoved(node: Topic) {
this._layoutManager.removeNode(node.getId());
}
private _forceLayout() {
this._layoutManager.layout(true);
}
getLayoutManager() {
return this._layoutManager;
}
}
export default EventBusDispatcher;