/// <summary>
/// 执行命令
/// </summary>
/// <param name="o">命令的参数</param>
/// <returns>是否执行成功</returns>
public override bool Execute(object o)
{
bool success = false;
SlotContainer slotContainer = o as SlotContainer;
string remark = "";
try
{
Assembly assembly = Assembly.LoadFrom("Plugins\\FlowChart\\TextEditor.dll");
DataElement dataElement = assembly.CreateInstance("TextEditor.TextEditor") as DataElement;
Hashtable table = new Hashtable();
table["data"] = slotContainer.Remark;
if (dataElement.EditData(table))
{
success = true;
remark = dataElement.Data as string;
}
}
catch (Exception ex)
{
MessageBox.Show("在编辑图元注释时产生异常: " + ex.ToString(), "注释编辑", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
// 创建注释结点
if (success)
{
// 保存执行前的数据
description = "编辑图元注释 " + slotContainer.Name;
if (firstCommand) // 只有第一条命令保存执行前的数据
{
SaveBeforeExecute(flowChartManager.GetArguments());
}
slotContainer.Remark = remark;
RemarkGraphElement remarkGraphElement;
if (slotContainer.RemarkNode == null) // 需要创建注释结点
{
remarkGraphElement = new RemarkGraphElement(slotContainer, slotContainer.Location + new Size(slotContainer.ElementSize.Width + 50, 0),
new Size(1, 1));
remarkGraphElement.Text = remark;
remarkGraphElement.Name = "注释结点";
remarkGraphElement.Enable = true;
remarkGraphElement.Refresh();
remarkGraphElement.AdjustElementSize();
remarkGraphElement.AdjustLine();
slotContainer.RemarkNode = remarkGraphElement;
slotContainer.ShowRemark = true;
}
else
{
remarkGraphElement = slotContainer.RemarkNode;
remarkGraphElement.Text = remark;
remarkGraphElement.AdjustElementSize();
}
// 保存执行后的数据
flowChartManager.ContentChanged = true;
SaveAfterExecute(flowChartManager.GetArguments());
}
return(success);
}
/// <summary>
/// 编辑图元
/// </summary>
/// <param name="flowChartManager">绘图管理器</param>
/// <param name="logicData">逻辑数据</param>
/// <returns>是否操作成功</returns>
protected virtual bool LogicEdit(FlowChartManager flowChartManager, object logicData)
{
bool executeResult = true;
GraphManager graphManager = flowChartManager.CurrentGraphManager;
DataManager dataManager = flowChartManager.CurrentDataManager;
DocumentManager documentManager = DocumentManager.GetDocumentManager();
GraphElement graphElement = logicData as GraphElement;
DataElement dataElement = dataManager.GetDataElement(graphElement);
object data = dataManager.GetData(graphElement);
Hashtable information = new Hashtable();
information["data"] = data;
information["prev_data"] = dataManager.GetPreviousData(graphElement);
information["next_data"] = dataManager.GetNextData(graphElement);
information["neighbor_data"] = dataManager.GetNeighborData(graphElement);
information["globe_args"] = dataManager.GlobeArgs;
information["flowchart_name"] = flowChartManager.Name;
information["map_name"] = flowChartManager.MapName;
information["client_dir"] = Helper.GetHelper().OutputDir;
dataElement.PrintInformation = new DataElement.PrintInfo(documentManager.PrintText);
try
{
executeResult = dataElement.EditData(information);
}
catch (Exception ex)
{
executeResult = false;
MessageBox.Show("当前图元由于以下原因无法编辑：\n\n" + ex.Message, "图元编辑",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (executeResult) // 保存图元数据
{
Hashtable previousDataTable = information["prev_data"] as Hashtable;
Hashtable nextDataTable = information["next_data"] as Hashtable;
GraphElement currentGraphElement;
DataElement editDataElement;
// 检查是否需要更新图元和数据元的数据
foreach (string id in previousDataTable.Keys)
{
editDataElement = previousDataTable[id] as DataElement;
if (editDataElement != null && editDataElement.Data == null)
{
currentGraphElement = dataManager.FindGraphElementByID(int.Parse(id));
currentGraphElement.Text = editDataElement.Text;
currentGraphElement.TooltipText = editDataElement.TooltipText;
currentGraphElement.ShowText = false;
}
}
foreach (string id in nextDataTable.Keys)
{
editDataElement = nextDataTable[id] as DataElement;
if (editDataElement != null && editDataElement.Data == null)
{
currentGraphElement = dataManager.FindGraphElementByID(int.Parse(id));
currentGraphElement.Text = editDataElement.Text;
currentGraphElement.TooltipText = editDataElement.TooltipText;
currentGraphElement.ShowText = false;
}
}
graphElement.TooltipText = dataElement.TooltipText;
graphElement.Text = dataElement.Text;
if (string.IsNullOrEmpty(dataElement.Text))
{
graphElement.ShowText = false;
}
else
{
graphElement.ShowText = true;
}
// 调整文本
if (graphElement is SlotContainer)
{
SlotContainer slotContainer = graphElement as SlotContainer;
slotContainer.AdjustText();
// 根据文本内容调整插槽容器的大小
slotContainer.AdjustElementSize();
}
else if (graphElement is ConnectorContainer)
{
ConnectorContainer line = graphElement as ConnectorContainer;
line.AdjustText();
}
}
return(executeResult);
}