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using System;
using System.Collections.Generic;
using System.Text;
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.ExpressApp.Reports;
using DevExpress.Data.Filtering;
using System.Collections;
using DevExpress.Persistent.Base;
using DevExpress.Utils;
using DevExpress.ExpressApp.Utils;


namespace Wise.Module.SystemModule.Report
{
    
public class MyInplaceReportCacheController : WindowController
    {
        
private LightDictionary<Type, List<IReportData>> reportsCache = new LightDictionary<Type, List<IReportData>>();
        
private Type reportDataType;
        
protected virtual IObjectSpace CreateObjectSpace()
        {
            DevExpress.ExpressApp.Utils.Guard.ArgumentNotNull(Application, 
"Application");
            
return Application.CreateObjectSpace();
        }
        
protected LightDictionary<Type, List<IReportData>> ReportsCache
        {
            
get { return reportsCache; }
        }
        
public MyInplaceReportCacheController()
        {
            TargetWindowType 
= WindowType.Main;
        }
        
public void ClearCache()
        {
            reportsCache.Clear();
        }
        
public virtual List<IReportData> GetReportDataList(Type targetObjectType)
        {
            
if (ReportDataType == null)
            {
                
return new List<IReportData>();
            }
            List
<IReportData> cachedReports;
            
if (reportsCache.TryGetValue(targetObjectType, out cachedReports))
            {
                
return cachedReports;
            }
            
else
            {
                
using (IObjectSpace objectSpace = CreateObjectSpace())
                {
                    List
<string> targetObjectTypeNames = new List<string>();
                    Type currentType 
= targetObjectType;
                    
while ((currentType != typeof(Object)) && (currentType != null))
                    {
                        
if (XafTypesInfo.Instance.FindTypeInfo(currentType).IsPersistent)
                        {
                            targetObjectTypeNames.Add(currentType.FullName);
                        }
                        currentType 
= currentType.BaseType;
                    }
                    List
<IReportData> result = new List<IReportData>();
                    
if (targetObjectTypeNames.Count > 0)
                    {
                        IList reports 
= objectSpace.CreateCollection(
                            ReportDataType,
                            
new GroupOperator(new InOperator("DataTypeName", targetObjectTypeNames), new BinaryOperator(ReportData.IsInplaceReportMember, false)));
                        
foreach (IReportData reportData in reports)
                        {
                            result.Add(reportData);
                        }
                    }
                    reportsCache.Add(targetObjectType, result);
                    
return result;
                }
            }
        }
        
public Type ReportDataType
        {
            
get
            {
                
if (reportDataType == null)
                {
                    reportDataType 
= ReportsModule.GetCurrentReportDataType(Application.Modules);
                }
                
return reportDataType;
            }
            
set { reportDataType = value; }
        }
        
public static List<IReportData> GetReportDataList(Frame frame, Type targetObjectType)
        {
            
if (frame != null)
            {
                Frame cachFrame 
= frame;
                
if (frame.Application != null && frame.Application.MainWindow != null)
                {
                    cachFrame 
= frame.Application.MainWindow;
                }
                MyInplaceReportCacheController cacheController 
= cachFrame.GetController<MyInplaceReportCacheController>();
                
if (cacheController != null)
                {
                    
return cacheController.GetReportDataList(targetObjectType);
                }
            }
            
return new List<IReportData>();
        }
        [Obsolete(
"Use 'GetReportDataList(Frame frame, Type targetObjectType)' instead.")]
        
public static List<IReportData> GetReportDataList(XafApplication xafApplication, Type targetObjectType)
        {
            
if (xafApplication != null)
            {
                
return GetReportDataList(xafApplication.MainWindow, targetObjectType);
            }
            
return new List<IReportData>();
        }
    }
    
/// <summary>
    
/// UnInplaceReport
    
/// </summary>
    public class MyPrintSelectionBaseController : ObjectViewController
    {

        
public const string ActiveKeyObjectHasKeyMember = "ObjectHasKeyMember";
        
public const string ActiveKeyDisableActionWhenThereAreChanges = "DisableActionWhenThereAreChanges";
        
public const string ActiveKeyInplaceReportsAreEnabledInModule = "reportsModule.EnableInplaceReports";
        
public const string ActiveKeyViewSupportsSelection = "ViewSupportsSelection";
        
public const string ActiveKeyDisableForLookupListView = "DisableForLookupListView";
        
public const string ActiveKeyControlsCreated = "ControlsCreated";
        
private SingleChoiceAction showInReportAction;
        
private void showInReportAction_Execute(object sender, SingleChoiceActionExecuteEventArgs e)
        {
            
//if (e.SelectedObjects.Count == 0)
            
//{
            
//    return;
            
//}
            ShowInReport(e, (IReportData)e.SelectedChoiceActionItem.Data);
        }
        
private void ObjectSpace_ModifiedChanged(object sender, EventArgs e)
        {
            UpdateActionState();
        }
        
private void View_SelectionTypeChanged(object sender, EventArgs e)
        {
            
if (View != null)
            {
                Active[ActiveKeyViewSupportsSelection] 
= (View.SelectionType != SelectionType.None);
            }
        }
        
private void View_ControlsCreated(object sender, EventArgs e)
        {
            View.ControlsCreated 
-= new EventHandler(View_ControlsCreated);
            Initialize();
        }
        
protected void Initialize()
        {
            showInReportAction.Active[ActiveKeyControlsCreated] 
= true;
            List
<IReportData> reportDataList = MyInplaceReportCacheController.GetReportDataList(Frame, ((ObjectView)View).ObjectTypeInfo.Type);
            List
<ChoiceActionItem> items = new List<ChoiceActionItem>();
            
foreach (IReportData reportData in reportDataList)
            {
                ChoiceActionItem item 
= new ChoiceActionItem(reportData.ReportName, reportData);
                item.ImageName 
= "Action_Report_Object_UnInplace_Preview";
                items.Add(item);
            }
            items.Sort(SortByCaption);
            showInReportAction.Items.Clear();
            showInReportAction.Items.AddRange(items);
            View.ObjectSpace.ModifiedChanged 
+= new EventHandler(ObjectSpace_ModifiedChanged);
            UpdateActionState();
        }
        
protected virtual void UpdateActionState()
        {
            ShowInReportAction.Enabled[PrintSelectionBaseController.ActiveKeyDisableActionWhenThereAreChanges] 
= !View.ObjectSpace.IsModified;
        }
        
protected virtual void ShowInReport(SingleChoiceActionExecuteEventArgs e, IReportData reportData)
        {
            ArrayList keys 
= new ArrayList();
            
foreach (object selectedObject in e.SelectedObjects)
            {
                keys.Add(ObjectSpace.GetKeyValue(selectedObject));
            }
            
//Frame.GetController<ReportServiceController>().ShowPreview(reportData, new InOperator(((ObjectView)View).ObjectTypeInfo.KeyMember.Name, keys));
            Frame.GetController<ReportServiceController>().ShowPreview(reportData);//, new InOperator(((ObjectView)View).ObjectTypeInfo.KeyMember.Name, keys));
        }
        
private int SortByCaption(ChoiceActionItem left, ChoiceActionItem right)
        {
            
return Comparer<string>.Default.Compare(left.Caption, right.Caption);
        }
        
protected override void OnViewChanging(View view)
        {
            
base.OnViewChanging(view);
            
if (View != null)
            {
                View.SelectionTypeChanged 
-= new EventHandler(View_SelectionTypeChanged);
            }
            
if (Application != null)
            {
                ReportsModule reportsModule 
= ReportsModule.FindReportsModule(Application.Modules);
                
if (reportsModule == null)
                {
                    Active[
"ReportsModule in Application.Modules"= false;
                }
                
else
                {
                    Active[ActiveKeyInplaceReportsAreEnabledInModule] 
= reportsModule.EnableInplaceReports;
                }
            }
            Active[ActiveKeyViewSupportsSelection] 
= (view is ISelectionContext) && (((ISelectionContext)view).SelectionType != SelectionType.None);
            
if ((view is ObjectView) && (((ObjectView)view).ObjectTypeInfo != null))
            {
                Active[ActiveKeyObjectHasKeyMember] 
= (((ObjectView)view).ObjectTypeInfo.KeyMember != null);
            }
            
if (view != null)
            {
                view.SelectionTypeChanged 
+= new EventHandler(View_SelectionTypeChanged);
            }
        }
        
protected override void OnActivated()
        {
            
base.OnActivated();
            showInReportAction.Active[ActiveKeyControlsCreated] 
= false;
            
if (View.IsControlCreated)
            {
                Initialize();
            }
            
else
            {
                View.ControlsCreated 
+= new EventHandler(View_ControlsCreated);
            }
        }
        
protected override void OnDeactivated()
        {
            View.ObjectSpace.ModifiedChanged 
-= new EventHandler(ObjectSpace_ModifiedChanged);
            View.ControlsCreated 
-= new EventHandler(View_ControlsCreated);
            
base.OnDeactivated();
        }
        
protected override void OnFrameAssigned()
        {
            
base.OnFrameAssigned();
            
if ((Frame != null&& ((Frame.Context == TemplateContext.LookupWindow) || (Frame.Context == TemplateContext.LookupControl)))
            {
                
this.Active.SetItemValue(ActiveKeyDisableForLookupListView, false);
            }
        }
        
public MyPrintSelectionBaseController()
        {
            TypeOfView 
= typeof(ObjectView);
            showInReportAction 
= new SingleChoiceAction(this"MyShowInReport", PredefinedCategory.Reports);
            showInReportAction.Caption 
= "My Show in Report";
            showInReportAction.ToolTip 
= "Show selected records in a report";
            showInReportAction.Execute 
+= new SingleChoiceActionExecuteEventHandler(showInReportAction_Execute);
            showInReportAction.ItemType 
= SingleChoiceActionItemType.ItemIsOperation;
            showInReportAction.SelectionDependencyType 
= SelectionDependencyType.RequireMultipleObjects;
            showInReportAction.ImageName 
= "Action_Report_Object_UnInplace_Preview";
        }
        
public SingleChoiceAction ShowInReportAction
        {
            
get { return showInReportAction; }
        }

    }
}
posted on 2011-08-24 17:24  Tonyyang  阅读(692)  评论(0编辑  收藏  举报
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