wisemapping-frontend/packages/web2d/lib/components/PolyLine.js

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2021-10-05 01:56:40 +02:00
/*
* Copyright [2015] [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.
*/
const Element = require('./Element').default;
const Toolkit = require('./Toolkit');
const PolyLine = new Class({
Extends: Element,
initialize(attributes) {
const peer = Toolkit.default.createPolyLine();
const defaultAttributes = {
strokeColor: 'blue', strokeWidth: 1, strokeStyle: 'solid', strokeOpacity: 1,
};
for (const key in attributes) {
defaultAttributes[key] = attributes[key];
}
this.parent(peer, defaultAttributes);
},
getType() {
return 'PolyLine';
},
setFrom(x, y) {
this._peer.setFrom(x, y);
},
setTo(x, y) {
this._peer.setTo(x, y);
},
setStyle(style) {
this._peer.setStyle(style);
},
getStyle() {
return this._peer.getStyle();
},
buildCurvedPath(dist, x1, y1, x2, y2) {
let signx = 1;
let signy = 1;
if (x2 < x1) {
signx = -1;
}
if (y2 < y1) {
signy = -1;
}
let path;
if (Math.abs(y1 - y2) > 2) {
const middlex = x1 + ((x2 - x1 > 0) ? dist : -dist);
path = `${x1.toFixed(1)}, ${y1.toFixed(1)} ${middlex.toFixed(1)}, ${y1.toFixed(1)} ${middlex.toFixed(1)}, ${(y2 - 5 * signy).toFixed(1)} ${(middlex + 5 * signx).toFixed(1)}, ${y2.toFixed(1)} ${x2.toFixed(1)}, ${y2.toFixed(1)}`;
} else {
path = `${x1.toFixed(1)}, ${y1.toFixed(1)} ${x2.toFixed(1)}, ${y2.toFixed(1)}`;
}
return path;
},
buildStraightPath(dist, x1, y1, x2, y2) {
const middlex = x1 + ((x2 - x1 > 0) ? dist : -dist);
return `${x1}, ${y1} ${middlex}, ${y1} ${middlex}, ${y2} ${x2}, ${y2}`;
},
});
export default PolyLine;