/// <summary>
/// 获取下一个图元数据
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="graphElement">当前图元</param>
/// <param name="metaData">图元数据</param>
/// <param name="graphElementList">遍历过的图元链表</param>
/// <param name="graphElementTable">绘图索引哈希表</param>
private void FindNextMetaData(DataManager dataManager, GraphElement graphElement, FlowChartMetaData metaData, List<GraphElement> graphElementList, Hashtable graphElementTable)
{
graphElementList.Add(graphElement);
graphElementTable[graphElement] = metaData;
List<GraphElement> list = dataManager.GetNextGraphElements(graphElement, false);
foreach (GraphElement g in list)
{
object data = dataManager.GetData(g);
if (!graphElementList.Contains(g))
{
DataElement dataElement = dataManager.GetDataElement(g);
FlowChartMetaData newMetaData = new FlowChartMetaData(g.ID, data, dataElement.DataType);
newMetaData.DisplayText = g.TooltipText;
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
FindNextMetaData(dataManager, g, newMetaData, graphElementList, graphElementTable);
}
else
{
FlowChartMetaData newMetaData = graphElementTable[g] as FlowChartMetaData;
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
}
}
}
/// <summary>
/// 获取下一个绘图元数据
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="graphElement">当前图元</param>
/// <param name="metaData">绘图元数据</param>
/// <param name="graphElementList">遍历过的图元链表</param>
/// <param name="graphElementTable">流程图索引哈希表</param>
/// <param name="actionsTable">动作组数据哈希表</param>
private void FindNextMetaData(DataManager dataManager, GraphElement graphElement, FlowChartMetaData metaData, List<GraphElement> graphElementList, Hashtable graphElementTable, Hashtable actionsTable)
{
graphElementList.Add(graphElement);
graphElementTable[graphElement] = metaData;
List<GraphElement> list = dataManager.GetNextGraphElements(graphElement, true);
foreach (GraphElement g in list)
{
object data = dataManager.GetCompileData(g);
DataElement dataElement = dataManager.GetCompileDataElement(g);
if (!graphElementList.Contains(g))
{
FlowChartMetaData newMetaData = new FlowChartMetaData(g.ID, data, dataElement.DataType);
newMetaData.DisplayText = g.Text;
if (g is AIStateGraphElement) // 状态
{
string stateNodeName = CodeProviderClass.GetStateString(data);
newMetaData.Code = stateNodeName;
InitSetStateMetaData(metaData, newMetaData);
FindNextMetaData(dataManager, g, newMetaData, graphElementList, graphElementTable, actionsTable);
}
else if (g is AILineGraphElement) // 连接线
{
newMetaData.Code = CodeProviderClass.GetEventString(data);
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
FindNextMetaData(dataManager, g, newMetaData, graphElementList, graphElementTable, actionsTable);
}
else if (g is AIActionGraphElement) // 动作
{
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
FindNextMetaData(dataManager, g, newMetaData, graphElementList, graphElementTable, actionsTable);
}
else if (g is AIActionsGraphElement) // 动作组
{
List<FlowChartMetaData> metaDataList = actionsTable[g] as List<FlowChartMetaData>;
metaDataList[0].AddPreviousMetaData(metaData);
metaData.AddNextMetaData(metaDataList[0]);
FindNextMetaData(dataManager, g, metaDataList[metaDataList.Count - 1], graphElementList, graphElementTable, actionsTable);
}
}
else
{
if (g is AIActionsGraphElement) // 动作组要特殊处理
{
List<FlowChartMetaData> metaDataList = actionsTable[g] as List<FlowChartMetaData>;
metaDataList[0].AddPreviousMetaData(metaData);
metaData.AddNextMetaData(metaDataList[0]);
}
else if (g is AIStateGraphElement) // 状态结点要特殊处理
{
FlowChartMetaData newMetaData = graphElementTable[g] as FlowChartMetaData;
InitSetStateMetaData(metaData, newMetaData);
}
else
{
FlowChartMetaData newMetaData = graphElementTable[g] as FlowChartMetaData;
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
}
}
}
}
/// <summary>
/// 获取图元数据链表
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="slotContainerList">插槽容器链表</param>
/// <returns>图元数据链表</returns>
protected virtual List<FlowChartMetaData> GetMetaData(DataManager dataManager, List<SlotContainer> slotContainerList)
{
List<FlowChartMetaData> metaDataList = new List<FlowChartMetaData>();
List<GraphElement> graphElementList = new List<GraphElement>();
Hashtable graphElementTable = new Hashtable();
foreach (SlotContainer slotContainer in slotContainerList)
{
if (slotContainer.IsEntrance)
{
object data = dataManager.GetData(slotContainer);
DataElement dataElement = dataManager.GetDataElement(slotContainer);
FlowChartMetaData metaData = new FlowChartMetaData(slotContainer.ID, data, slotContainer.TypeString);
metaData.DisplayText = slotContainer.TooltipText;
FindNextMetaData(dataManager, slotContainer, metaData, graphElementList, graphElementTable);
metaDataList.Add(metaData);
}
}
return metaDataList;
}
/// <summary>
/// 获取动作组的元数据链表
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="aiActionsGraphElement">动作组图元</param>
/// <returns>动作组的元数据链表</returns>
private List<FlowChartMetaData> GetActionsMetaDataList(DataManager dataManager, AIActionsGraphElement aiActionsGraphElement)
{
object data = dataManager.GetCompileData(aiActionsGraphElement);
List<object> actions = CodeProviderClass.SplitMultiActionIntoSingle(data);
List<FlowChartMetaData> actionsMetaDataList = new List<FlowChartMetaData>();
// 把显示文本拆分
List<string> displayTextList = new List<string>();
string[] tempArray = aiActionsGraphElement.Text.Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in tempArray)
{
displayTextList.Add(s.TrimEnd(new char[] { '\r' }).TrimStart(new char[] { '◆', ' ' }));
}
for (int i = 0; i < actions.Count; i++)
{
FlowChartMetaData actionMetaData = new FlowChartMetaData(maxID, actions[i], "AIActionNode");
actionMetaData.DisplayText = displayTextList[i];
actionsMetaDataList.Add(actionMetaData);
maxID++;
}
for (int i = 0; i < actions.Count - 1; i++)
{
FlowChartMetaData actionMetaData = actionsMetaDataList[i];
FlowChartMetaData nextMetaData = actionsMetaDataList[i + 1];
FlowChartMetaData lineMetaData;
int returnValueCount = CodeProviderClass.GetActionRetCount(actions[i]);
for (int j = 1; j <= returnValueCount; j++)
{
lineMetaData = new FlowChartMetaData(maxID, j.ToString(), "AILine");
lineMetaData.DisplayText = j.ToString();
actionMetaData.AddNextMetaData(lineMetaData);
lineMetaData.AddPreviousMetaData(actionMetaData);
lineMetaData.AddNextMetaData(nextMetaData);
nextMetaData.AddPreviousMetaData(lineMetaData);
maxID++;
}
}
return actionsMetaDataList;
}
/// <summary>
/// 获取流程图元数据
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="slotContainerList">流程图插槽容器的链表</param>
/// <returns>流程图元数据的链表</returns>
protected override List<FlowChartMetaData> GetMetaData(DataManager dataManager, List<SlotContainer> slotContainerList)
{
// 初始化ID
maxID = dataManager.CurrentFlowChartManager.CurrentGraphManager.IDIndex + 1;
List<FlowChartMetaData> metaDataList = new List<FlowChartMetaData>();
List<GraphElement> graphElementList = new List<GraphElement>();
Hashtable graphElementTable = new Hashtable();
dataManager.InitCompileTable();
Hashtable actionsTable = new Hashtable(); // 动作组数据哈希表
// 预处理动作组结点
foreach (SlotContainer slotContainer in slotContainerList)
{
if (slotContainer is AIActionsGraphElement)
{
AIActionsGraphElement actionsGraphElement = slotContainer as AIActionsGraphElement;
List<FlowChartMetaData> actionsMetaDataList = GetActionsMetaDataList(dataManager, actionsGraphElement);
actionsTable[actionsGraphElement] = actionsMetaDataList;
}
}
// 预处理子绘图结点
AIStateGraphElement stateNode = null;
foreach (SlotContainer slotContainer in slotContainerList)
{
// 所有子绘图的图元都重新分配ID
if (slotContainer is InnerChart)
{
InnerChart innerChart = slotContainer as InnerChart;
InnerChartEditor innerChartEditor = dataManager.GetDataElement(innerChart) as InnerChartEditor;
List<GraphElement> list = innerChartEditor.GraphElementList;
foreach (GraphElement graphElement in list)
{
graphElement.ID = maxID;
graphElement.Tag = innerChart.ID;
maxID++;
dataManager.AddCompileData(graphElement, innerChartEditor.GetDataElement(graphElement));
// 重命名名称
RenameGraphElement(dataManager, graphElement);
if (graphElement is AIStateGraphElement)
{
AIStateGraphElement aiStateGraphElement = graphElement as AIStateGraphElement;
if (aiStateGraphElement.IsInitialState)
{
stateNode = aiStateGraphElement;
}
}
else if (graphElement is AIActionsGraphElement)
{
AIActionsGraphElement actionsGraphElement = graphElement as AIActionsGraphElement;
List<FlowChartMetaData> actionsMetaDataList = GetActionsMetaDataList(dataManager, actionsGraphElement);
actionsTable[actionsGraphElement] = actionsMetaDataList;
}
}
}
}
// 处理绘图结点
foreach (SlotContainer slotContainer in slotContainerList)
{
if (slotContainer is AIStateGraphElement)
{
AIStateGraphElement stateGraphElement = slotContainer as AIStateGraphElement;
if (stateGraphElement.IsInitialState)
{
stateNode = stateGraphElement;
break;
}
}
}
if (stateNode != null)
{
object data = dataManager.GetCompileData(stateNode);
DataElement dataElement = dataManager.GetCompileDataElement(stateNode);
FlowChartMetaData metaData = new FlowChartMetaData(stateNode.ID, data, "AIStateNode");
string stateNodeName = CodeProviderClass.GetStateString(data);
metaData.Code = stateNodeName;
metaData.DisplayText = stateNode.Text;
FindNextMetaData(dataManager, stateNode, metaData, graphElementList, graphElementTable, actionsTable);
metaDataList.Add(metaData);
}
return metaDataList;
}
/// <summary>
/// 初始化数据
/// </summary>
/// <param name="canvas">绘图板实例</param>
/// <param name="propertyGrid">属性面板实例</param>
public void Init(Canvas canvas)
{
graphManager = new GraphManager(this, canvas);
dataManager = new DataManager(this);
dataBaseManager = DataBaseManager.GetDataBaseManager();
int i = path.IndexOf('\\');
mapName = path.Substring(0, i);
flowChartInteractor = new FlowChartInteractor();
}
/// <summary>
/// 重命名图元
/// </summary>
/// <param name="graphElement">数据管理器</param>
/// <param name="graphElement">图元</param>
private void RenameGraphElement(DataManager dataManager, GraphElement graphElement)
{
object data = dataManager.GetCompileData(graphElement);
if (graphElement is AIStateGraphElement) // 自动为状态结点重命名
{
AI_State aiState = data as AI_State;
if (aiState != null)
{
aiState.Ename = string.Format("State{0}", graphElement.ID.ToString());
}
}
else if (graphElement is AIActionGraphElement) // 自动为自定义脚本的动作结点重命名
{
AI_SingleAction singleAction = data as AI_SingleAction;
if (singleAction != null)
{
string newName = string.Format("CustomAction{0}", graphElement.ID.ToString());
int actionID = 2000 + graphElement.ID;
RenameAIAction(singleAction.Action, newName, actionID);
}
}
else if (graphElement is AIActionsGraphElement) // 自动为动作组中自定义脚本的动作结点重命名
{
AI_MultiAction multiAction = data as AI_MultiAction;
if (multiAction != null)
{
int actionIndex = 0;
List<AI_SingleAction> aiActionList = multiAction.ActionList;
foreach (AI_SingleAction singleAction in aiActionList)
{
string newName = string.Format("CustomAction{0}_{1}", graphElement.ID.ToString(),
actionIndex.ToString());
int actionID = (2000 + graphElement.ID) * 10 + actionIndex;
RenameAIAction(singleAction.Action, newName, actionID);
actionIndex++;
}
}
}
}
/// <summary>
/// 检查连接线是否有效
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="name">流程图的名称</param>
/// <param name="connectorContainerList">连接线链表</param>
/// <param name="showDetail">是否显示细节</param>
/// <param name="logBox">输出日志窗体</param>
/// <returns>连接线是否有效</returns>
private bool CheckLineAvail(DataManager dataManager, string name, List<ConnectorContainer> connectorContainerList, TextBoxX logBox, bool showDetail)
{
bool avail = true;
ConnectorContainer invalidLine = null;
foreach (ConnectorContainer line in connectorContainerList)
{
if (line.InSlotContainer == null || line.OutSlotContainer == null) // 连接线两端必须连接上结点
{
avail = false;
invalidLine = line;
logBox.AppendText(string.Format("ID为{0}的连接线没有正确连接！\r\n", line.ID));
break;
}
else if (line.Invalid) // 连接线必须有效
{
avail = false;
invalidLine = line;
logBox.AppendText(string.Format("ID为{0}的连接线没有设置条件！\r\n", line.ID));
break;
}
}
if (!avail) // 流程图无效
{
MessageBox.Show(string.Format("流程图 {0} 中有不完整的连接，请确认所有的连接是否正确！", name),
"流程图有效性检查", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (showDetail) // 显示细节
{
List<GraphElement> list = new List<GraphElement>();
list.Add(invalidLine);
dataManager.CurrentFlowChartManager.CurrentGraphManager.SelectGraphElements(list);
}
}
return avail;
}
/// <summary>
/// 检测循环圈是否有效
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="name">流程图的名称</param>
/// <param name="slotContainerList">插槽容器链表</param>
/// <param name="showDetail">是否显示细节</param>
/// <param name="logBox">输出日志窗体</param>
/// <return>循环圈是否有效</return>
private bool CheckCircleAvail(DataManager dataManager, string name, List<SlotContainer> slotContainerList, TextBoxX logBox, bool showDetail)
{
bool avail = true;
List<SlotContainer> list = new List<SlotContainer>();
List<List<SlotContainer>> circleLists = new List<List<SlotContainer>>();
List<SlotContainer> circleNodeList = new List<SlotContainer>();
List<List<SlotContainer>> markList = new List<List<SlotContainer>>();
foreach (SlotContainer slotContainer in slotContainerList)
{
if (slotContainer is EventGraphElement)
{
dataManager.FindNextNode(slotContainer, list, circleLists, circleNodeList);
}
}
if (circleLists.Count > 0)
{
foreach (List<SlotContainer> circleList in circleLists)
{
avail = false;
foreach (SlotContainer node in circleList)
{
if (node is ConditionGraphElement) // 找到所有的条件结点
{
// 检查当前圈中的连接线是设置了条件的条件连接线
foreach (GraphElement graphElement in dataManager.GetNextGraphElements(node))
{
ConnectorContainer line = graphElement as ConnectorContainer;
if (dataManager.GetData(line) != null && circleList.Contains(line.OutSlotContainer))
{
avail = true;
break;
}
}
if (avail)
{
break;
}
// 检查是否有通过条件结点连出圈的结点
foreach (SlotContainer nextNode in dataManager.GetSpecifyNextSlotContainers(node, circleList))
{
if (!circleNodeList.Contains(nextNode)) // 有连出圈的结点
{
avail = true;
break;
}
}
if (avail)
{
break;
}
}
}
if (!avail)
{
markList.Add(circleList);
string circleString = "";
for (int i = 0; i < circleList.Count; i++)
{
circleString += circleList[i].ID + " -> ";
}
circleString += circleList[0].ID;
logBox.AppendText(string.Format("检测出循环圈{0}！\r\n", circleString));
}
}
if (markList.Count > 0) // 检测到无效的循环
{
avail = false;
MessageBox.Show(string.Format("流程图 {0} 中有可能无效的循环，请确认所有的循环是否设置了有效出口！", name),
"流程图有效性检查", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (showDetail) // 显示细节
{
CheckCircleForm cForm = new CheckCircleForm(dataManager.CurrentFlowChartManager.CurrentGraphManager, markList);
cForm.ShowDialog();
}
}
}
return avail;
}
/// <summary>
/// 检查流程图的有效性
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="name">流程图的名称</param>
/// <param name="slotContainerList">插槽容器链表</param>
/// <param name="connectorContainerList">连接线链表</param>
/// <param name="logBox">输入日志窗体</param>
/// <param name="showDetail">是否显示细节</param>
/// <returns>流程图是否有效</returns>
private bool CheckFlowChartAvail(DataManager dataManager, string name, List<SlotContainer> slotContainerList, List<ConnectorContainer> connectorContainerList,
TextBoxX logBox, bool showDetail)
{
bool avail = true;
// 检查连接线的有效性
avail = CheckLineAvail(dataManager, name, connectorContainerList, logBox, showDetail);
// 检查图元的有效性
if (avail)
{
List<GraphElement> list = new List<GraphElement>();
foreach (SlotContainer slotContainer in slotContainerList)
{
list.Add(slotContainer);
}
foreach (ConnectorContainer line in connectorContainerList)
{
list.Add(line);
}
avail = CheckGraphElementAvail(dataManager, name, list, logBox, showDetail);
}
// 检查循环的有效性
if (avail)
{
avail = CheckCircleAvail(dataManager, name, slotContainerList, logBox, showDetail);
}
return avail;
}
/// <summary>
/// 检查图元是否有效
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="name">流程图的名称</param>
/// <param name="graphElementList">图元链表</param>
/// <param name="showDetail">是否显示细节</param>
/// <param name="logBox">输出日志窗体</param>
/// <returns>图元是否有效</returns>
private bool CheckGraphElementAvail(DataManager dataManager, string name, List<GraphElement> graphElementList, TextBoxX logBox, bool showDetail)
{
bool avail = true;
GraphElement invalidGraphElement = null;
foreach (GraphElement graphElement in graphElementList)
{
if (!graphElement.Enable)
{
avail = false;
invalidGraphElement = graphElement;
logBox.AppendText(string.Format("ID为{0}的图元没有正确连接事件结点！", graphElement.ID));
break;
}
}
if (!avail) // 流程图无效
{
MessageBox.Show(string.Format("流程图 {0} 中有不正确连接的图元，请确认所有的图元都已连接事件结点！", name),
"流程图有效性检查", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (showDetail) // 显示细节
{
List<GraphElement> list = new List<GraphElement>();
list.Add(invalidGraphElement);
dataManager.CurrentFlowChartManager.CurrentGraphManager.SelectGraphElements(list);
}
}
return avail;
}
/// <summary>
/// 检查插槽容器的所有连出的线是否有效
/// </summary>
/// <param name="slotContainer">插槽容器</param>
private void CheckLineValid(DataManager dataManager, SlotContainer slotContainer)
{
int invalidLineCount = 0;
List<ConnectorContainer> list = new List<ConnectorContainer>();
foreach (SlotGraphElement slot in slotContainer.GetOutSlotList())
{
if (slot.Binded)
{
object data = dataManager.GetData(slot.BindingConnector.Line);
if (data == null)
{
list.Add(slot.BindingConnector.Line);
invalidLineCount++;
}
else
{
slot.BindingConnector.Line.Invalid = false;
}
}
}
if (invalidLineCount == 1) // 无效连接线数等于1
{
foreach (ConnectorContainer line in list)
{
line.Invalid = false;
line.Text = "else";
line.ShowText = true;
line.AdjustText();
}
}
else if (invalidLineCount > 1) // 无效连接线数大于1
{
foreach (ConnectorContainer line in list)
{
line.Invalid = true;
line.Text = "×";
line.ShowText = true;
line.AdjustText();
}
}
else
{
foreach (ConnectorContainer line in list)
{
line.Invalid = false;
line.ShowText = false;
}
}
}
/// <summary>
/// 刷新未初始化数据元的图元的数据
/// </summary>
/// <param name="dataManager">数据管理器实例</param>
/// <param name="graphElement">图元对象</param>
/// <param name="data">数据</param>
private void ReloadData(DataManager dataManager, GraphElement graphElement, object data)
{
DataElement dataElement = dataManager.InitDataElement(graphElement);
Hashtable table = new Hashtable();
table["globe_args"] = dataManager.GlobeArgs;
if (dataElement != null)
{
dataElement.Data = data;
dataElement.ReloadData(table);
}
}
/// <summary>
/// 设置图元是否可用
/// </summary>
/// <param name="dataManager">事件管理器</param>
/// <param name="list">遍历过的图元链表</param>
/// <param name="graphElement">当前图元</param>
/// <param name="enable">图元是否可用</param>
public void ReBindEventNode(DataManager dataManager, List<GraphElement> list, GraphElement graphElement, bool enable)
{
if (!list.Contains(graphElement)) // 还没有遍历过当前图元
{
list.Add(graphElement);
if(enable)
{
graphElement.Enable = enable;
}
else
{
if(graphElement is SlotContainer) // 插槽容器
{
if(!dataManager.IsConnectEventNode(graphElement as SlotContainer))
{
graphElement.Enable = enable;
}
}
else if(graphElement is ConnectorContainer) // 连接线
{
if (!dataManager.IsConnectEventNode(graphElement as ConnectorContainer))
{
graphElement.Enable = enable;
}
}
}
foreach (GraphElement g in dataManager.GetNextGraphElements(graphElement, false))
{
ReBindEventNode(dataManager, list, g, enable);
}
}
}
/// <summary>
/// 获取下一个流程图元数据
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="graphElement">当前图元</param>
/// <param name="metaData">流程图元数据</param>
/// <param name="graphElementList">遍历过的图元链表</param>
/// <param name="graphElementTable">流程图索引哈希表</param>
private void FindNextMetaData(DataManager dataManager, GraphElement graphElement, FlowChartMetaData metaData, List<GraphElement> graphElementList, Hashtable graphElementTable)
{
graphElementList.Add(graphElement);
graphElementTable[graphElement] = metaData;
List<GraphElement> list = dataManager.GetNextGraphElements(graphElement, false);
foreach (GraphElement g in list)
{
object data = dataManager.GetData(g);
if(!graphElementList.Contains(g))
{
DataElement dataElement = dataManager.GetDataElement(g);
FlowChartMetaData newMetaData = new FlowChartMetaData(g.ID, data, dataElement.DataType);
newMetaData.Code = CodeProvider.CodeProviderClass.ConvertToCode(data, dataElement.DataType);
newMetaData.DisplayText = g.TooltipText;
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
FindNextMetaData(dataManager, g, newMetaData, graphElementList, graphElementTable);
}
else
{
FlowChartMetaData newMetaData = graphElementTable[g] as FlowChartMetaData;
newMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(newMetaData);
}
}
if (graphElement is ConditionGraphElement) // 条件结点
{
bool avail = true; // 是否需要生成else连接线
foreach(GraphElement g in list)
{
if(dataManager.GetData(g) == null) // 找到else连接线
{
avail = false;
break;
}
}
if(avail) // 需要生成else连接线
{
FlowChartMetaData lineMetaData = new FlowChartMetaData(0, null, "Line");
lineMetaData.Code = "";
lineMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(lineMetaData);
FlowChartMetaData endMetaData = new FlowChartMetaData(0, null, "EndNode");
endMetaData.AddPreviousMetaData(lineMetaData);
lineMetaData.AddNextMetaData(endMetaData);
}
else // 连接线需要重排序
{
List<GraphElement> lineList = new List<GraphElement>();
GraphElement elseLine = null;
FlowChartMetaData newMetaData;
foreach(GraphElement g in list)
{
if(dataManager.GetData(g) == null) // else连接线
{
elseLine = g;
}
else // 普通连接线
{
lineList.Add(g);
}
}
metaData.ClearNextMetaDataList();
foreach(GraphElement g in lineList)
{
newMetaData = graphElementTable[g] as FlowChartMetaData;
metaData.AddNextMetaData(newMetaData);
}
newMetaData = graphElementTable[elseLine] as FlowChartMetaData;
metaData.AddNextMetaData(newMetaData);
}
}
else
{
if(list.Count == 0) // 当前图元没有后续图元
{
FlowChartMetaData lineMetaData = new FlowChartMetaData(0, null, "Line");
lineMetaData.AddPreviousMetaData(metaData);
metaData.AddNextMetaData(lineMetaData);
FlowChartMetaData endMetaData = new FlowChartMetaData(0, null, "EndNode");
endMetaData.AddPreviousMetaData(lineMetaData);
lineMetaData.AddNextMetaData(endMetaData);
}
}
}
/// <summary>
/// 获取流程图元数据
/// </summary>
/// <param name="dataManager">数据管理器</param>
/// <param name="slotContainerList">流程图插槽容器的链表</param>
/// <returns>流程图元数据的链表</returns>
protected override List<FlowChartMetaData> GetMetaData(DataManager dataManager, List<SlotContainer> slotContainerList)
{
List<FlowChartMetaData> metaDataList = new List<FlowChartMetaData>();
List<GraphElement> graphElementList = new List<GraphElement>();
Hashtable graphElementTable = new Hashtable();
foreach (SlotContainer slotContainer in slotContainerList)
{
if (slotContainer is EventGraphElement)
{
object data = dataManager.GetData(slotContainer);
DataElement dataElement = dataManager.GetDataElement(slotContainer);
FlowChartMetaData metaData = new FlowChartMetaData(slotContainer.ID, data, "EventNode");
metaData.Code = CodeProvider.CodeProviderClass.ConvertToCode(data, dataElement.DataType);
metaData.DisplayText = slotContainer.TooltipText;
FindNextMetaData(dataManager, slotContainer, metaData, graphElementList, graphElementTable);
metaDataList.Add(metaData);
}
}
return metaDataList;
}
