package com.dl.flowable.flow;
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import org.flowable.bpmn.model.Process;
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import org.flowable.bpmn.model.*;
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import org.flowable.image.impl.DefaultProcessDiagramCanvas;
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import org.flowable.image.impl.DefaultProcessDiagramGenerator;
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import java.util.Iterator;
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import java.util.List;
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/**
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* @author XuanXuan
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* @date 2021/4/5 0:31
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*/
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public class CustomProcessDiagramGenerator extends DefaultProcessDiagramGenerator {
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@Override
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protected DefaultProcessDiagramCanvas generateProcessDiagram(BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader, double scaleFactor, boolean drawSequenceFlowNameWithNoLabelDI) {
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this.prepareBpmnModel(bpmnModel);
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DefaultProcessDiagramCanvas processDiagramCanvas = initProcessDiagramCanvas(bpmnModel, imageType, activityFontName, labelFontName, annotationFontName, customClassLoader);
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Iterator var13 = bpmnModel.getPools().iterator();
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while (var13.hasNext()) {
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Pool process = (Pool) var13.next();
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GraphicInfo subProcesses = bpmnModel.getGraphicInfo(process.getId());
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processDiagramCanvas.drawPoolOrLane(process.getName(), subProcesses, scaleFactor);
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}
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var13 = bpmnModel.getProcesses().iterator();
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Process process1;
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Iterator subProcesses1;
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while (var13.hasNext()) {
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process1 = (Process) var13.next();
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subProcesses1 = process1.getLanes().iterator();
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while (subProcesses1.hasNext()) {
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Lane artifact = (Lane) subProcesses1.next();
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GraphicInfo subProcess = bpmnModel.getGraphicInfo(artifact.getId());
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processDiagramCanvas.drawPoolOrLane(artifact.getName(), subProcess, scaleFactor);
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}
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}
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var13 = bpmnModel.getProcesses().iterator();
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while (var13.hasNext()) {
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process1 = (Process) var13.next();
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subProcesses1 = process1.findFlowElementsOfType(FlowNode.class).iterator();
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while (subProcesses1.hasNext()) {
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FlowNode artifact1 = (FlowNode) subProcesses1.next();
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if (!this.isPartOfCollapsedSubProcess(artifact1, bpmnModel)) {
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this.drawActivity(processDiagramCanvas, bpmnModel, artifact1, highLightedActivities, highLightedFlows, scaleFactor, Boolean.valueOf(drawSequenceFlowNameWithNoLabelDI));
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}
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}
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}
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var13 = bpmnModel.getProcesses().iterator();
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label75:
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while (true) {
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List subProcesses2;
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do {
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if (!var13.hasNext()) {
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return processDiagramCanvas;
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}
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process1 = (Process) var13.next();
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subProcesses1 = process1.getArtifacts().iterator();
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while (subProcesses1.hasNext()) {
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Artifact artifact2 = (Artifact) subProcesses1.next();
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this.drawArtifact(processDiagramCanvas, bpmnModel, artifact2);
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}
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subProcesses2 = process1.findFlowElementsOfType(SubProcess.class, true);
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} while (subProcesses2 == null);
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Iterator artifact3 = subProcesses2.iterator();
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while (true) {
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GraphicInfo graphicInfo;
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SubProcess subProcess1;
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do {
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do {
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if (!artifact3.hasNext()) {
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continue label75;
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}
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subProcess1 = (SubProcess) artifact3.next();
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graphicInfo = bpmnModel.getGraphicInfo(subProcess1.getId());
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} while (graphicInfo != null && graphicInfo.getExpanded() != null && !graphicInfo.getExpanded().booleanValue());
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} while (this.isPartOfCollapsedSubProcess(subProcess1, bpmnModel));
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Iterator var19 = subProcess1.getArtifacts().iterator();
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while (var19.hasNext()) {
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Artifact subProcessArtifact = (Artifact) var19.next();
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this.drawArtifact(processDiagramCanvas, bpmnModel, subProcessArtifact);
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}
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}
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}
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}
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protected static DefaultProcessDiagramCanvas initProcessDiagramCanvas(BpmnModel bpmnModel, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader) {
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double minX = 1.7976931348623157E308D;
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double maxX = 0.0D;
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double minY = 1.7976931348623157E308D;
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double maxY = 0.0D;
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GraphicInfo nrOfLanes;
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for (Iterator flowNodes = bpmnModel.getPools().iterator(); flowNodes.hasNext(); maxY = nrOfLanes.getY() + nrOfLanes.getHeight()) {
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Pool artifacts = (Pool) flowNodes.next();
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nrOfLanes = bpmnModel.getGraphicInfo(artifacts.getId());
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minX = nrOfLanes.getX();
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maxX = nrOfLanes.getX() + nrOfLanes.getWidth();
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minY = nrOfLanes.getY();
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}
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List var23 = gatherAllFlowNodes(bpmnModel);
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Iterator var24 = var23.iterator();
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label155:
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while (var24.hasNext()) {
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FlowNode var26 = (FlowNode) var24.next();
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GraphicInfo artifact = bpmnModel.getGraphicInfo(var26.getId());
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if (artifact.getX() + artifact.getWidth() > maxX) {
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maxX = artifact.getX() + artifact.getWidth();
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}
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if (artifact.getX() < minX) {
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minX = artifact.getX();
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}
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if (artifact.getY() + artifact.getHeight() > maxY) {
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maxY = artifact.getY() + artifact.getHeight();
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}
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if (artifact.getY() < minY) {
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minY = artifact.getY();
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}
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Iterator process = var26.getOutgoingFlows().iterator();
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while (true) {
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List l;
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do {
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if (!process.hasNext()) {
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continue label155;
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}
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SequenceFlow graphicInfoList = (SequenceFlow) process.next();
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l = bpmnModel.getFlowLocationGraphicInfo(graphicInfoList.getId());
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} while (l == null);
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Iterator graphicInfo = l.iterator();
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while (graphicInfo.hasNext()) {
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GraphicInfo graphicInfo1 = (GraphicInfo) graphicInfo.next();
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if (graphicInfo1.getX() > maxX) {
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maxX = graphicInfo1.getX();
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}
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if (graphicInfo1.getX() < minX) {
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minX = graphicInfo1.getX();
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}
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if (graphicInfo1.getY() > maxY) {
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maxY = graphicInfo1.getY();
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}
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if (graphicInfo1.getY() < minY) {
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minY = graphicInfo1.getY();
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}
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}
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}
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}
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List var25 = gatherAllArtifacts(bpmnModel);
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Iterator var27 = var25.iterator();
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GraphicInfo var37;
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while (var27.hasNext()) {
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Artifact var29 = (Artifact) var27.next();
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GraphicInfo var31 = bpmnModel.getGraphicInfo(var29.getId());
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if (var31 != null) {
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if (var31.getX() + var31.getWidth() > maxX) {
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maxX = var31.getX() + var31.getWidth();
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}
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if (var31.getX() < minX) {
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minX = var31.getX();
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}
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if (var31.getY() + var31.getHeight() > maxY) {
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maxY = var31.getY() + var31.getHeight();
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}
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if (var31.getY() < minY) {
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minY = var31.getY();
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}
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}
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List var33 = bpmnModel.getFlowLocationGraphicInfo(var29.getId());
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if (var33 != null) {
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Iterator var35 = var33.iterator();
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while (var35.hasNext()) {
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var37 = (GraphicInfo) var35.next();
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if (var37.getX() > maxX) {
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maxX = var37.getX();
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}
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if (var37.getX() < minX) {
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minX = var37.getX();
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}
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if (var37.getY() > maxY) {
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maxY = var37.getY();
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}
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if (var37.getY() < minY) {
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minY = var37.getY();
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}
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}
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}
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}
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int var28 = 0;
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Iterator var30 = bpmnModel.getProcesses().iterator();
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while (var30.hasNext()) {
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Process var32 = (Process) var30.next();
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Iterator var34 = var32.getLanes().iterator();
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while (var34.hasNext()) {
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Lane var36 = (Lane) var34.next();
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++var28;
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var37 = bpmnModel.getGraphicInfo(var36.getId());
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if (var37.getX() + var37.getWidth() > maxX) {
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maxX = var37.getX() + var37.getWidth();
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}
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if (var37.getX() < minX) {
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minX = var37.getX();
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}
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if (var37.getY() + var37.getHeight() > maxY) {
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maxY = var37.getY() + var37.getHeight();
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}
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if (var37.getY() < minY) {
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minY = var37.getY();
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}
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}
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}
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if (var23.isEmpty() && bpmnModel.getPools().isEmpty() && var28 == 0) {
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minX = 0.0D;
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minY = 0.0D;
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}
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return new CustomProcessDiagramCanvas((int) maxX + 10, (int) maxY + 10, (int) minX, (int) minY, imageType, activityFontName, labelFontName, annotationFontName, customClassLoader);
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}
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private static void drawHighLight(DefaultProcessDiagramCanvas processDiagramCanvas, GraphicInfo graphicInfo) {
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processDiagramCanvas.drawHighLight((int) graphicInfo.getX(), (int) graphicInfo.getY(), (int) graphicInfo.getWidth(), (int) graphicInfo.getHeight());
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}
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private static void drawHighLightNow(CustomProcessDiagramCanvas processDiagramCanvas, GraphicInfo graphicInfo) {
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processDiagramCanvas.drawHighLightNow((int) graphicInfo.getX(), (int) graphicInfo.getY(), (int) graphicInfo.getWidth(), (int) graphicInfo.getHeight());
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}
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private static void drawHighLightEnd(CustomProcessDiagramCanvas processDiagramCanvas, GraphicInfo graphicInfo) {
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processDiagramCanvas.drawHighLightEnd((int) graphicInfo.getX(), (int) graphicInfo.getY(), (int) graphicInfo.getWidth(), (int) graphicInfo.getHeight());
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}
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@Override
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protected void drawActivity(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel,
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FlowNode flowNode, List<String> highLightedActivities, List<String> highLightedFlows, double scaleFactor, Boolean drawSequenceFlowNameWithNoLabelDI) {
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ActivityDrawInstruction drawInstruction = activityDrawInstructions.get(flowNode.getClass());
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if (drawInstruction != null) {
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drawInstruction.draw(processDiagramCanvas, bpmnModel, flowNode);
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// Gather info on the multi instance marker
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boolean multiInstanceSequential = false;
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boolean multiInstanceParallel = false;
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boolean collapsed = false;
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if (flowNode instanceof Activity) {
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Activity activity = (Activity) flowNode;
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MultiInstanceLoopCharacteristics multiInstanceLoopCharacteristics = activity.getLoopCharacteristics();
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if (multiInstanceLoopCharacteristics != null) {
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multiInstanceSequential = multiInstanceLoopCharacteristics.isSequential();
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multiInstanceParallel = !multiInstanceSequential;
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}
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}
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// Gather info on the collapsed marker
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GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(flowNode.getId());
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if (flowNode instanceof SubProcess) {
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collapsed = graphicInfo.getExpanded() != null && !graphicInfo.getExpanded();
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} else if (flowNode instanceof CallActivity) {
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collapsed = true;
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}
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if (scaleFactor == 1.0) {
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// Actually draw the markers
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processDiagramCanvas.drawActivityMarkers((int) graphicInfo.getX(), (int) graphicInfo.getY(), (int) graphicInfo.getWidth(), (int) graphicInfo.getHeight(),
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multiInstanceSequential, multiInstanceParallel, collapsed);
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}
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// Draw highlighted activities
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if (highLightedActivities.contains(flowNode.getId())) {
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if (highLightedActivities.get(highLightedActivities.size() - 1).equals(flowNode.getId())
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&& !"endenv".equals(flowNode.getId())) {
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if ((flowNode.getId().contains("Event_"))) {
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drawHighLightEnd((CustomProcessDiagramCanvas) processDiagramCanvas, bpmnModel.getGraphicInfo(flowNode.getId()));
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} else {
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drawHighLightNow((CustomProcessDiagramCanvas) processDiagramCanvas, bpmnModel.getGraphicInfo(flowNode.getId()));
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}
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} else {
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drawHighLight(processDiagramCanvas, bpmnModel.getGraphicInfo(flowNode.getId()));
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}
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}
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}
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// Outgoing transitions of activity
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for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
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boolean highLighted = (highLightedFlows.contains(sequenceFlow.getId()));
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String defaultFlow = null;
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if (flowNode instanceof Activity) {
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defaultFlow = ((Activity) flowNode).getDefaultFlow();
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} else if (flowNode instanceof Gateway) {
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defaultFlow = ((Gateway) flowNode).getDefaultFlow();
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}
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boolean isDefault = false;
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if (defaultFlow != null && defaultFlow.equalsIgnoreCase(sequenceFlow.getId())) {
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isDefault = true;
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}
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boolean drawConditionalIndicator = sequenceFlow.getConditionExpression() != null && !(flowNode instanceof Gateway);
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String sourceRef = sequenceFlow.getSourceRef();
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String targetRef = sequenceFlow.getTargetRef();
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FlowElement sourceElement = bpmnModel.getFlowElement(sourceRef);
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FlowElement targetElement = bpmnModel.getFlowElement(targetRef);
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List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
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if (graphicInfoList != null && graphicInfoList.size() > 0) {
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graphicInfoList = connectionPerfectionizer(processDiagramCanvas, bpmnModel, sourceElement, targetElement, graphicInfoList);
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int xPoints[] = new int[graphicInfoList.size()];
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int yPoints[] = new int[graphicInfoList.size()];
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for (int i = 1; i < graphicInfoList.size(); i++) {
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GraphicInfo graphicInfo = graphicInfoList.get(i);
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GraphicInfo previousGraphicInfo = graphicInfoList.get(i - 1);
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if (i == 1) {
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xPoints[0] = (int) previousGraphicInfo.getX();
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yPoints[0] = (int) previousGraphicInfo.getY();
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}
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xPoints[i] = (int) graphicInfo.getX();
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yPoints[i] = (int) graphicInfo.getY();
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}
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processDiagramCanvas.drawSequenceflow(xPoints, yPoints, drawConditionalIndicator, isDefault, highLighted, scaleFactor);
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// Draw sequenceflow label
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GraphicInfo labelGraphicInfo = bpmnModel.getLabelGraphicInfo(sequenceFlow.getId());
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if (labelGraphicInfo != null) {
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processDiagramCanvas.drawLabel(sequenceFlow.getName(), labelGraphicInfo, false);
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} else {
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if (drawSequenceFlowNameWithNoLabelDI) {
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GraphicInfo lineCenter = getLineCenter(graphicInfoList);
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processDiagramCanvas.drawLabel(sequenceFlow.getName(), lineCenter, false);
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}
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}
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}
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}
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// Nested elements
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if (flowNode instanceof FlowElementsContainer) {
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for (FlowElement nestedFlowElement : ((FlowElementsContainer) flowNode).getFlowElements()) {
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if (nestedFlowElement instanceof FlowNode && !isPartOfCollapsedSubProcess(nestedFlowElement, bpmnModel)) {
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drawActivity(processDiagramCanvas, bpmnModel, (FlowNode) nestedFlowElement,
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highLightedActivities, highLightedFlows, scaleFactor, drawSequenceFlowNameWithNoLabelDI);
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}
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}
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}
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}
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}
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