Examples with GraphicInfo org.activiti.bpmn.model.GraphicInfo used on opensource projects

Example 36 with GraphicInfo

use of org.activiti.bpmn.model.GraphicInfo in project Activiti by Activiti.

the class DefaultProcessDiagramGenerator method drawActivity.

protected void drawActivity(DefaultProcessDiagramCanvas processDiagramCanvas, BpmnModel bpmnModel, FlowNode flowNode, List<String> highLightedActivities, List<String> highLightedFlows) {
    ActivityDrawInstruction drawInstruction = activityDrawInstructions.get(flowNode.getClass());
    if (drawInstruction != null) {
        drawInstruction.draw(processDiagramCanvas, bpmnModel, flowNode);
        // Gather info on the multi instance marker
        boolean multiInstanceSequential = false;
        boolean multiInstanceParallel = false;
        boolean collapsed = false;
        if (flowNode instanceof Activity) {
            Activity activity = (Activity) flowNode;
            MultiInstanceLoopCharacteristics multiInstanceLoopCharacteristics = activity.getLoopCharacteristics();
            if (multiInstanceLoopCharacteristics != null) {
                multiInstanceSequential = multiInstanceLoopCharacteristics.isSequential();
                multiInstanceParallel = !multiInstanceSequential;
            }
        }
        // Gather info on the collapsed marker
        GraphicInfo graphicInfo = bpmnModel.getGraphicInfo(flowNode.getId());
        if (flowNode instanceof SubProcess) {
            collapsed = graphicInfo.getExpanded() != null && !graphicInfo.getExpanded();
        } else if (flowNode instanceof CallActivity) {
            collapsed = true;
        }
        // Actually draw the markers
        processDiagramCanvas.drawActivityMarkers((int) graphicInfo.getX(), (int) graphicInfo.getY(), (int) graphicInfo.getWidth(), (int) graphicInfo.getHeight(), multiInstanceSequential, multiInstanceParallel, collapsed);
        // Draw highlighted activities
        if (highLightedActivities.contains(flowNode.getId())) {
            drawHighLight(processDiagramCanvas, bpmnModel.getGraphicInfo(flowNode.getId()));
        }
    }
    // Outgoing transitions of activity
    for (SequenceFlow sequenceFlow : flowNode.getOutgoingFlows()) {
        boolean highLighted = (highLightedFlows.contains(sequenceFlow.getId()));
        String defaultFlow = null;
        if (flowNode instanceof Activity) {
            defaultFlow = ((Activity) flowNode).getDefaultFlow();
        } else if (flowNode instanceof Gateway) {
            defaultFlow = ((Gateway) flowNode).getDefaultFlow();
        }
        boolean isDefault = false;
        if (defaultFlow != null && defaultFlow.equalsIgnoreCase(sequenceFlow.getId())) {
            isDefault = true;
        }
        boolean drawConditionalIndicator = sequenceFlow.getConditionExpression() != null && !(flowNode instanceof Gateway);
        String sourceRef = sequenceFlow.getSourceRef();
        String targetRef = sequenceFlow.getTargetRef();
        FlowElement sourceElement = bpmnModel.getFlowElement(sourceRef);
        FlowElement targetElement = bpmnModel.getFlowElement(targetRef);
        List<GraphicInfo> graphicInfoList = bpmnModel.getFlowLocationGraphicInfo(sequenceFlow.getId());
        if (graphicInfoList != null && graphicInfoList.size() > 0) {
            graphicInfoList = connectionPerfectionizer(processDiagramCanvas, bpmnModel, sourceElement, targetElement, graphicInfoList);
            int[] xPoints = new int[graphicInfoList.size()];
            int[] yPoints = new int[graphicInfoList.size()];
            for (int i = 1; i < graphicInfoList.size(); i++) {
                GraphicInfo graphicInfo = graphicInfoList.get(i);
                GraphicInfo previousGraphicInfo = graphicInfoList.get(i - 1);
                if (i == 1) {
                    xPoints[0] = (int) previousGraphicInfo.getX();
                    yPoints[0] = (int) previousGraphicInfo.getY();
                }
                xPoints[i] = (int) graphicInfo.getX();
                yPoints[i] = (int) graphicInfo.getY();
            }
            processDiagramCanvas.drawSequenceflow(xPoints, yPoints, drawConditionalIndicator, isDefault, highLighted);
            // Draw sequenceflow label
            GraphicInfo labelGraphicInfo = bpmnModel.getLabelGraphicInfo(sequenceFlow.getId());
            if (labelGraphicInfo != null) {
                processDiagramCanvas.drawLabel(sequenceFlow.getName(), labelGraphicInfo, false);
            }
        }
    }
    // Nested elements
    if (flowNode instanceof FlowElementsContainer) {
        for (FlowElement nestedFlowElement : ((FlowElementsContainer) flowNode).getFlowElements()) {
            if (nestedFlowElement instanceof FlowNode) {
                drawActivity(processDiagramCanvas, bpmnModel, (FlowNode) nestedFlowElement, highLightedActivities, highLightedFlows);
            }
        }
    }
}