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https://bitbucket.org/wisemapping/wisemapping-frontend.git
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69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
/*
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* Copyright [2021] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { Point } from '@wisemapping/web2d';
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import { $assert } from '@wisemapping/core-js';
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import Topic from './Topic';
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import Shape from './util/Shape';
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class CentralTopic extends Topic {
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_registerEvents() {
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super._registerEvents();
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// This disable the drag of the central topic.
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// But solves the problem of deselecting the nodes when the screen is clicked.
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this.addEvent('mousedown', (event) => {
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event.stopPropagation();
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});
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}
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/** */
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workoutIncomingConnectionPoint() {
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return this.getPosition();
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}
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/** */
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setCursor(type) {
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super.setCursor(type === 'move' ? 'default' : type);
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}
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/** */
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updateTopicShape() { }
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_updatePositionOnChangeSize() {
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// Center main topic ...
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const zeroPoint = new Point(0, 0);
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this.setPosition(zeroPoint);
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}
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/** */
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getShrinkConnector() {
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return null;
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}
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/** */
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workoutOutgoingConnectionPoint(targetPosition) {
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$assert(targetPosition, 'targetPoint can not be null');
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const pos = this.getPosition();
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const isAtRight = Shape.isAtRight(targetPosition, pos);
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const size = this.getSize();
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return Shape.calculateRectConnectionPoint(pos, size, !isAtRight);
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}
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}
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export default CentralTopic;
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