72 lines
2.0 KiB
TypeScript
72 lines
2.0 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 { $assert } from '@wisemapping/core-js';
|
|
import PositionType from './PositionType';
|
|
import Topic from './Topic';
|
|
import Shape from './util/Shape';
|
|
|
|
class CentralTopic extends Topic {
|
|
buildDragShape() {
|
|
// Ignore ..
|
|
}
|
|
|
|
registerEvents(): void {
|
|
super.registerEvents();
|
|
|
|
// This disable the drag of the central topic.
|
|
// But solves the problem of deselecting the nodes when the screen is clicked.
|
|
this.addEvent('mousedown', (event: MouseEvent) => {
|
|
event.stopPropagation();
|
|
});
|
|
}
|
|
|
|
workoutIncomingConnectionPoint(): PositionType {
|
|
return this.getPosition();
|
|
}
|
|
|
|
setCursor(type: string): void {
|
|
super.setCursor(type === 'move' ? 'default' : type);
|
|
}
|
|
|
|
updateTopicShape(): void {
|
|
// Overwite behaviour ...
|
|
}
|
|
|
|
_updatePositionOnChangeSize(): void {
|
|
// Center main topic ...
|
|
const zeroPoint = { x: 0, y: 0 };
|
|
this.setPosition(zeroPoint);
|
|
}
|
|
|
|
getShrinkConnector(): null {
|
|
return null;
|
|
}
|
|
|
|
workoutOutgoingConnectionPoint(targetPosition: PositionType) {
|
|
$assert(targetPosition, 'targetPoint can not be null');
|
|
|
|
const pos = this.getPosition();
|
|
const isAtRight = Shape.isAtRight(targetPosition, pos);
|
|
const size = this.getSize();
|
|
|
|
return Shape.calculateRectConnectionPoint(pos, size, !isAtRight);
|
|
}
|
|
}
|
|
|
|
export default CentralTopic;
|