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106 lines
3.0 KiB
JavaScript
106 lines
3.0 KiB
JavaScript
/*
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* Copyright [2015] [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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const ElementPeer = require('./ElementPeer').default;
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const PolyLine = require('../../PolyLine');
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const PolyLinePeer = new Class({
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Extends: ElementPeer,
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initialize() {
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const svgElement = window.document.createElementNS(this.svgNamespace, 'polyline');
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this.parent(svgElement);
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this.setFill('none');
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this.breakDistance = 10;
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},
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setFrom(x1, y1) {
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this._x1 = x1;
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this._y1 = y1;
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this._updatePath();
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},
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setTo(x2, y2) {
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this._x2 = x2;
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this._y2 = y2;
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this._updatePath();
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},
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setStrokeWidth(width) {
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this._native.setAttribute('stroke-width', width);
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},
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setColor(color) {
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this._native.setAttribute('stroke', color);
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},
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setStyle(style) {
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this._style = style;
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this._updatePath();
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},
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getStyle() {
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return this._style;
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},
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_updatePath() {
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if (this._style == 'Curved') {
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this._updateMiddleCurvePath();
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} else if (this._style == 'Straight') {
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this._updateStraightPath();
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} else {
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this._updateCurvePath();
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}
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},
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_updateStraightPath() {
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if ($defined(this._x1) && $defined(this._x2) && $defined(this._y1) && $defined(this._y2)) {
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const path = PolyLine.default.prototype.buildStraightPath(this.breakDistance, this._x1, this._y1, this._x2, this._y2);
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this._native.setAttribute('points', path);
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}
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},
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_updateMiddleCurvePath() {
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const x1 = this._x1;
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const y1 = this._y1;
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const x2 = this._x2;
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const y2 = this._y2;
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if ($defined(x1) && $defined(x2) && $defined(y1) && $defined(y2)) {
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const diff = x2 - x1;
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const middlex = (diff / 2) + x1;
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let signx = 1;
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let signy = 1;
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if (diff < 0) {
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signx = -1;
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}
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if (y2 < y1) {
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signy = -1;
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}
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const path = `${x1}, ${y1} ${middlex - 10 * signx}, ${y1} ${middlex}, ${y1 + 10 * signy} ${middlex}, ${y2 - 10 * signy} ${middlex + 10 * signx}, ${y2} ${x2}, ${y2}`;
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this._native.setAttribute('points', path);
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}
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},
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_updateCurvePath() {
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if ($defined(this._x1) && $defined(this._x2) && $defined(this._y1) && $defined(this._y2)) {
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const path = PolyLine.default.prototype.buildCurvedPath(this.breakDistance, this._x1, this._y1, this._x2, this._y2);
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this._native.setAttribute('points', path);
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}
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},
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});
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export default PolyLinePeer;
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