/**
* Copyright 1996-2013 Founder International Co.,Ltd.
*
* 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.
*
* @author kenshin
*/
package com.founder.fix.fixflow.core.impl.cmd;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.bpmn2.BaseElement;
import org.eclipse.bpmn2.FlowElement;
import org.eclipse.bpmn2.SubProcess;
import org.eclipse.bpmn2.di.BPMNDiagram;
import org.eclipse.bpmn2.di.BPMNEdge;
import org.eclipse.bpmn2.di.BPMNShape;
import org.eclipse.dd.di.DiagramElement;
import org.eclipse.emf.ecore.impl.BasicEObjectImpl;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.DefinitionsBehavior;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.ProcessDefinitionBehavior;
import com.founder.fix.fixflow.core.impl.interceptor.Command;
import com.founder.fix.fixflow.core.impl.interceptor.CommandContext;
import com.founder.fix.fixflow.core.impl.persistence.ProcessDefinitionManager;
public class GetFlowGraphicsElementPositionCmd implements Command<Map<String, Map<String, Object>>> {
/**
* 流程定义编号
*/
protected String processDefinitionId;
protected String processDefinitionKey;
protected DefinitionsBehavior definitions;
public GetFlowGraphicsElementPositionCmd(String processDefinitionId,String processDefinitionKey) {
this.processDefinitionId = processDefinitionId;
this.processDefinitionKey= processDefinitionKey;
}
public Map<String, Map<String, Object>> execute(CommandContext commandContext) {
ProcessDefinitionManager processDefinitionManager = commandContext.getProcessDefinitionManager();
ProcessDefinitionBehavior processDefinition = null;
if(processDefinitionId!=null)
processDefinition = processDefinitionManager.findLatestProcessDefinitionById(processDefinitionId);
else
processDefinition = processDefinitionManager.findLatestProcessDefinitionByKey(processDefinitionKey);
DefinitionsBehavior definitions = processDefinition.getDefinitions();
Map<String, Map<String, Object>> positionInfo=new HashMap<String, Map<String,Object>>();
this.definitions=definitions;
List<BPMNDiagram> BPMNDiagramList = definitions.getDiagrams();
Map<String,List<String>> tmpMap = new HashMap<String,List<String>>();
for (BPMNDiagram bpmnDiagram : BPMNDiagramList) {
for (DiagramElement diagramElement : bpmnDiagram.getPlane().getPlaneElement()) {
if (diagramElement instanceof BPMNShape) {
BPMNShape bpmnShape = (BPMNShape) diagramElement;
Map<String, Object> positionMap=new HashMap<String, Object>();
BaseElement bpmnElement=getBaseElement(bpmnShape.getBpmnElement());
if(bpmnElement==null){
continue;
}
//判断如果是折叠起来的子流程，则将其所有的子元素的坐标替换成父元素的
if(bpmnElement instanceof SubProcess){
if(bpmnShape.isIsExpanded() == false){
List<String> excludeNodeIds = null;
excludeNodeIds = getExcluesElement((SubProcess)bpmnElement);
tmpMap.put(bpmnElement.getId(), excludeNodeIds);
}
}
float x=bpmnShape.getBounds().getX();
float y=bpmnShape.getBounds().getY();
float height=bpmnShape.getBounds().getHeight();
float width=bpmnShape.getBounds().getWidth();
//height,width,x,y
positionMap.put("x",x);
positionMap.put("y",y);
positionMap.put("height",height);
positionMap.put("width",width);
positionInfo.put(bpmnElement.getId(), positionMap);
}
if (diagramElement instanceof BPMNEdge) {
//BPMNEdge bpmnEdge = (BPMNEdge) diagramElement;
}
}
}
//判断如果是折叠起来的子流程，则将其所有的子元素的坐标替换成父元素的
for(String key : tmpMap.keySet()){
for(String nodeId:tmpMap.get(key)){
positionInfo.put(nodeId, positionInfo.get(key));
}
}
return positionInfo;
}
private BaseElement getBaseElement(BaseElement baseElement){
if(baseElement==null){
return null;
}
if(baseElement.getId()==null){
BasicEObjectImpl basicEObjectImpl=(BasicEObjectImpl)baseElement;
if(basicEObjectImpl!=null&&basicEObjectImpl.eProxyURI()!=null){
String elementId=basicEObjectImpl.eProxyURI().fragment();
BaseElement bpmnElement=definitions.getElement(elementId);
return bpmnElement;
}
else{
return null;
}
}else{
return baseElement;
}
}
/**
* 获取子流程的子元素
* @param process
* @return
*/
private List<String> getExcluesElement(SubProcess process){
List<String> nodeIds = new ArrayList<String>();
List<FlowElement> flowElements = process.getFlowElements();
for(FlowElement flow:flowElements){
if(flow instanceof SubProcess){
List<String> tmpNodeIds = getExcluesElement((SubProcess)flow);
nodeIds.addAll(tmpNodeIds);
}
nodeIds.add(flow.getId());
}
return nodeIds;
}
}