| /* |
| * 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. |
| */ |
| |
| import Ember from 'ember'; |
| var DefaultLayoutManager= Ember.Object.extend({ |
| doDagreLayout(component, nodes,edges){ |
| var g = new dagre.graphlib.Graph(); |
| g.setGraph({rankdir:"TB", nodesep:100,edgesep:200,marginx:40,ranksep:130}); |
| g.setDefaultEdgeLabel(function() { return {}; }); |
| |
| for (var i = 0; i < nodes.length; i++) { |
| var n = component.$(nodes[i]); |
| g.setNode(n.attr("id"), {width: n.width(), height: n.height()}); |
| } |
| |
| for (var i = 0; i < edges.length; i++) { |
| var c = edges[i]; |
| g.setEdge(c.source,c.target); |
| } |
| dagre.layout(g); |
| return g; |
| }, |
| doLayout(component,nodes,edges){ |
| var g=this.doDagreLayout(component, nodes,edges); |
| g.nodes().forEach(function(v) { |
| try{ |
| var nodeWidth=component.$("#" + v).width(); |
| var displacement=150-Math.floor(nodeWidth/2); |
| component.$("#" + v).css("left", g.node(v).x+displacement + "px"); |
| component.$("#" + v).css("top",g.node(v).y+ "px"); |
| }catch(err){ |
| } |
| }); |
| } |
| }); |
| export {DefaultLayoutManager}; |