/// <summary>
/// 执行命令
/// </summary>
/// <param name="o">当前对象</param>
/// <returns>是否执行成功</returns>
public override bool Execute(object o)
{
bool success = true;
Helper helper = Helper.GetHelper();
object[] args = o as object[];
SlotGraphElement slot = args[0] as SlotGraphElement;
ConnectorGraphElement connector = args[1] as ConnectorGraphElement;
// 保存命令执行前的数据
if (firstCommand) // 只有第一条命令保存执行前的数据
{
SaveBeforeExecute(flowChartManager.GetArguments());
}
description = "连接图元 " + slot.SlotContainer.Name;
slot.Bind(connector);
// 执行逻辑功能
LogicBaseManager logicManager = helper.GetLogicManager(flowChartManager.CurrentChartMode);
success = logicManager.DoLogicOperation(flowChartManager, LogicType.Connect, o);
if (success) // 保存命令执行后的数据
{
flowChartManager.ContentChanged = true;
SaveAfterExecute(flowChartManager.GetArguments());
}
return(success);
}
/// <summary>
/// 执行命令
/// </summary>
/// <param name="o">当前对象</param>
/// <returns>是否执行成功</returns>
public override bool Execute(object o)
{
bool success = true;
// 执行逻辑操作
LogicBaseManager logicManager = Helper.GetHelper().GetLogicManager(documentManager.CurrentChartMode);
logicManager.DoLogicOperation(documentManager.CurrentFlowChartManager, LogicType.CreateChart, o);
return(success);
}
/// <summary>
/// 执行命令
/// </summary>
/// <param name="o">当前对象</param>
/// <returns>是否执行成功</returns>
public override bool Execute(object o)
{
bool success = true;
Helper helper = Helper.GetHelper();
object[] args = o as object[];
SlotGraphElement outSlot = args[0] as SlotGraphElement;
SlotGraphElement inSlot = args[1] as SlotGraphElement;
// 保存命令执行前的数据
if (firstCommand) // 只有第一条命令保存执行前的数据
{
SaveBeforeExecute(flowChartManager.GetArguments());
}
// 执行逻辑操作
LogicBaseManager logicManager = helper.GetLogicManager(flowChartManager.CurrentChartMode);
logicManager.DoLogicOperation(flowChartManager, LogicType.CreateAndConnectLine, o);
ConnectorContainer line = graphManager.SelectedGraphElement as ConnectorContainer;
outSlot.Bind(line.GetConnectorList()[0]);
inSlot.Bind(line.GetConnectorList()[1]);
graphManager.ConnectorContainerList.Add(line);
graphManager.SelectGraphElement(line, false);
description = "创建并连接图元 " + outSlot.SlotContainer.Name + " - " + inSlot.SlotContainer.Name;
dataManager.AddDataElement(line);
graphManager.ReconstructCanvasGraphElementList();
// 执行逻辑操作
object[] logicData = new object[] { outSlot, outSlot.BindingConnector };
logicManager.DoLogicOperation(flowChartManager, LogicType.Connect, logicData);
if (success) // 保存命令执行后的数据
{
flowChartManager.ContentChanged = true;
SaveAfterExecute(flowChartManager.GetArguments());
}
return(success);
}
/// <summary>
/// 执行命令
/// </summary>
/// <param name="o">当前对象</param>
/// <returns>是否执行成功</returns>
public override bool Execute(object o)
{
bool success = true;
Helper helper = Helper.GetHelper();
SlotGraphElement slot = o as SlotGraphElement;
// 保存命令执行前的数据
if (firstCommand) // 只有第一条命令保存执行前的数据
{
SaveBeforeExecute(flowChartManager.GetArguments());
}
ConnectorGraphElement connector = slot.BindingConnector;
ConnectorContainer line = connector.Line;
SlotContainer slotContainer = slot.SlotContainer;
description = "解除连接图元 " + slotContainer.Name;
slot.UnBind();
if (slot.CanDelete && (slot.IsInSlot || slot.SlotContainer.OutSlotCount > 1)) // 插槽可以删除
{
slotContainer.RemoveSlot(slot);
}
// 执行逻辑操作
LogicBaseManager logicManager = helper.GetLogicManager(flowChartManager.CurrentChartMode);
object[] logicData = new object[] { slot, connector };
logicManager.DoLogicOperation(flowChartManager, LogicType.Disconnect, logicData);
if (success) // 保存命令执行后的数据
{
flowChartManager.ContentChanged = true;
SaveAfterExecute(flowChartManager.GetArguments());
}
return(success);
}
/// <summary>
/// 删除图元
/// </summary>
/// <param name="graphElement">要删除的图元</param>
/// <return>是否删除成功</return>
protected bool DeleteGraphElement(GraphElement graphElement)
{
Helper helper = Helper.GetHelper();
GraphManager graphManager = data as GraphManager;
FlowChartManager flowChartManager = graphManager.CurrentFlowChartManager;
DataManager dataManager = flowChartManager.CurrentDataManager;
bool deleteSuccess = false; // 是否删除成功
// 执行逻辑操作
LogicBaseManager logicManager = helper.GetLogicManager(flowChartManager.CurrentChartMode);
logicManager.DoLogicOperation(flowChartManager, LogicType.BeforeDelete, graphElement);
if (graphElement is SlotContainer) // 要删除的图元是插槽容器
{
SlotContainer slotContainer = graphElement as SlotContainer;
List <GraphElement> graphElementList = new List <GraphElement>();
// 解除绑定连接线控制点
foreach (ConnectorContainer line in slotContainer.GetConnectedLine())
{
graphElementList.Add(line);
}
slotContainer.UnBind();
// 执行逻辑操作
logicManager.DoLogicOperation(flowChartManager, LogicType.AfterDelete, graphElementList);
graphManager.SlotContainerList.Remove(slotContainer); // 从插槽容器索引链表中删除
deleteSuccess = true;
}
else if (graphElement is ConnectorContainer) // 要删除的图元是连接线控制点容器
{
ConnectorContainer connectorContainer = graphElement as ConnectorContainer;
List <GraphElement> graphElementList = new List <GraphElement>();
SlotContainer inSlotContainer = connectorContainer.InSlotContainer;
if (inSlotContainer != null)
{
connectorContainer.UnbindInSlotContainer();
}
SlotContainer outSlotContainer = connectorContainer.OutSlotContainer;
if (outSlotContainer != null)
{
graphElementList.Add(outSlotContainer);
connectorContainer.UnbindOutSlotContainer();
}
// 执行逻辑操作
logicManager.DoLogicOperation(flowChartManager, LogicType.AfterDelete, graphElementList);
graphManager.ConnectorContainerList.Remove(connectorContainer); // 从连接线控制点索引容器中删除
deleteSuccess = true;
}
else if (graphElement is ConnectorGraphElement) // 要删除的图元是连接线控制点
{
ConnectorGraphElement connector = graphElement as ConnectorGraphElement;
ConnectorContainer connectorContainer = connector.Line;
List <GraphElement> graphElementList = new List <GraphElement>();
SlotContainer inSlotContainer = connectorContainer.InSlotContainer;
if (inSlotContainer != null)
{
connectorContainer.UnbindInSlotContainer();
}
SlotContainer outSlotContainer = connectorContainer.OutSlotContainer;
if (outSlotContainer != null)
{
graphElementList.Add(outSlotContainer);
connectorContainer.UnbindOutSlotContainer();
}
// 执行逻辑操作
logicManager.DoLogicOperation(flowChartManager, LogicType.AfterDelete, graphElementList);
graphManager.ConnectorContainerList.Remove(connectorContainer); // 从连接线控制点索引容器中删除
deleteSuccess = true;
}
else if (graphElement is SlotGraphElement) // 要删除的图元是插槽
{
SlotGraphElement slot = graphElement as SlotGraphElement;
if (slot.CanDelete && (slot.IsInSlot || slot.SlotContainer.OutSlotCount > 1)) // 插槽可以删除
{
SlotContainer slotContainer = slot.SlotContainer;
slotContainer.RemoveSlot(slot);
deleteSuccess = true;
}
else
{
MessageBox.Show("该插槽不能删除", "图元删除", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else if (graphElement is RemarkGraphElement) // 要删除的图元是注释结点
{
RemarkGraphElement remarkGraphElement = graphElement as RemarkGraphElement;
SlotContainer slotContainer = remarkGraphElement.Owner as SlotContainer;
slotContainer.RemarkNode = null;
remarkGraphElement.Owner = null;
remarkGraphElement = null;
deleteSuccess = true;
}
if (deleteSuccess) // 释放图元所占的资源
{
dataManager.DeleteData(graphElement);
graphElement.Release();
}
return(deleteSuccess);
}
