lepu-test-platform-web/node_modules/echarts/lib/chart/graph/simpleLayoutHelper.js

78 lines
2.7 KiB
JavaScript

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
var vec2 = require("zrender/lib/core/vector");
var zrUtil = require("zrender/lib/core/util");
var _multipleGraphEdgeHelper = require("../helper/multipleGraphEdgeHelper");
var getCurvenessForEdge = _multipleGraphEdgeHelper.getCurvenessForEdge;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
function simpleLayout(seriesModel) {
var coordSys = seriesModel.coordinateSystem;
if (coordSys && coordSys.type !== 'view') {
return;
}
var graph = seriesModel.getGraph();
graph.eachNode(function (node) {
var model = node.getModel();
node.setLayout([+model.get('x'), +model.get('y')]);
});
simpleLayoutEdge(graph, seriesModel);
}
function simpleLayoutEdge(graph, seriesModel) {
graph.eachEdge(function (edge, index) {
var curveness = zrUtil.retrieve3(edge.getModel().get('lineStyle.curveness'), -getCurvenessForEdge(edge, seriesModel, index, true), 0);
var p1 = vec2.clone(edge.node1.getLayout());
var p2 = vec2.clone(edge.node2.getLayout());
var points = [p1, p2];
if (+curveness) {
points.push([(p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * curveness, (p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * curveness]);
}
edge.setLayout(points);
});
}
exports.simpleLayout = simpleLayout;
exports.simpleLayoutEdge = simpleLayoutEdge;