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/*!
* Copyright © 2016-2017 European Support Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 React from 'react';
import PropTypes from 'prop-types';
import Common from '../../../../../../common/Common';
import Lifeline from './Lifeline';
import LifelineNew from './LifelineNew';
/**
* Lifeline container, facilitating DND.
* @param props lifeline element properties.
* @returns {*}
* @constructor
*/
class Lifelines extends React.Component {
// ///////////////////////////////////////////////////////////////////////////////////////////////
/**
* Construct view.
* @param props element properties.
* @param context react context.
*/
constructor(props, context) {
super(props, context);
this.setHoverIndex = this.setHoverIndex.bind(this);
this.getHoverIndex = this.getHoverIndex.bind(this);
this.onDrop = this.onDrop.bind(this);
}
// ///////////////////////////////////////////////////////////////////////////////////////////////
/**
* Record last hover index as non-state.
* @param index index.
*/
setHoverIndex(index) {
this.hoverIndex = index;
}
// ///////////////////////////////////////////////////////////////////////////////////////////////
/**
* Get last recorded hover index.
* @returns {*}
*/
getHoverIndex() {
return this.hoverIndex;
}
// ///////////////////////////////////////////////////////////////////////////////////////////////
/**
* Handle drop.
* @param dragIndex dragged item index; undefined if new.
* @param hoverIndex drop index.
*/
onDrop(dragIndex, hoverIndex) {
if (hoverIndex >= 0) {
const application = this.props.application;
const model = application.getModel();
if (Common.isNumber(dragIndex)) {
if (dragIndex !== hoverIndex) {
model.reorderLifelines(dragIndex, hoverIndex);
}
} else {
model.addLifeline(hoverIndex);
}
this.forceUpdate();
application.renderDiagram();
}
}
// ///////////////////////////////////////////////////////////////////////////////////////////////
/**
* Render view.
* @returns {XML}
*/
render() {
const model = this.props.application.getModel();
const metamodel = model.getMetamodel();
const diagram = model.unwrap().diagram;
const lifelines = [];
for (const lifeline of diagram.lifelines) {
lifelines.push(
<Lifeline
key={`l${lifeline.id}`}
application={this.props.application}
designer={this.props.designer}
lifeline={lifeline}
active={this.props.activeLifelineId === lifeline.id}
id={lifeline.id}
metamodel={metamodel}
lifelines={this}
index={lifelines.length}
/>
);
}
lifelines.push(
<LifelineNew
key="_l"
designer={this.props.designer}
lifelines={this}
/>
);
return <div className="asdcs-designer-lifelines">{lifelines}</div>;
}
}
/**
* Declare properties.
*/
Lifelines.propTypes = {
application: PropTypes.object.isRequired,
designer: PropTypes.object.isRequired,
activeLifelineId: PropTypes.string
};
export default Lifelines;
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