wisemapping-frontend/packages/mindplot/src/components/layout/EventBusDispatcher.js
2021-12-25 14:39:34 -08:00

99 lines
3.2 KiB
JavaScript

/*
* 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 EventBus from './EventBus';
class EventBusDispatcher {
constructor() {
this.registerBusEvents();
}
/**
* @param {mindplot.layout.LayoutManager} layoutManager
*/
setLayoutManager(layoutManager) {
this._layoutManager = layoutManager;
}
/**
* register bus events
*/
registerBusEvents() {
EventBus.instance.addEvent(EventBus.events.NodeAdded, this._nodeAdded.bind(this));
EventBus.instance.addEvent(EventBus.events.NodeRemoved, this._nodeRemoved.bind(this));
EventBus.instance.addEvent(EventBus.events.NodeResizeEvent, this._nodeResizeEvent.bind(this));
EventBus.instance.addEvent(EventBus.events.NodeMoveEvent, this._nodeMoveEvent.bind(this));
EventBus.instance.addEvent(
EventBus.events.NodeDisconnectEvent, this._nodeDisconnectEvent.bind(this),
);
EventBus.instance.addEvent(EventBus.events.NodeConnectEvent, this._nodeConnectEvent.bind(this));
EventBus.instance.addEvent(EventBus.events.NodeShrinkEvent, this._nodeShrinkEvent.bind(this));
EventBus.instance.addEvent(EventBus.events.DoLayout, this._doLayout.bind(this));
}
_nodeResizeEvent(args) {
this._layoutManager.updateNodeSize(args.node.getId(), args.size);
}
_nodeMoveEvent(args) {
this._layoutManager.moveNode(args.node.getId(), args.position);
}
_nodeDisconnectEvent(node) {
this._layoutManager.disconnectNode(node.getId());
}
_nodeConnectEvent(args) {
this._layoutManager.connectNode(
args.parentNode.getId(), args.childNode.getId(), args.childNode.getOrder(),
);
}
_nodeShrinkEvent(node) {
this._layoutManager.updateShrinkState(node.getId(), node.areChildrenShrunken());
}
_nodeAdded(node) {
// 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());
}
}
_nodeRemoved(node) {
this._layoutManager.removeNode(node.getId());
}
_doLayout() {
// (function() {
this._layoutManager.layout(true);
// console.log("---------");
// this._layoutManager.dump();
// console.log("---------");
// console.log("---------");
// }).delay(0, this);
}
/** @return layout manager */
getLayoutManager() {
return this._layoutManager;
}
}
export default EventBusDispatcher;