4.44 beta

CPP/7zip/UI/Far/PluginDelete.cpp

@@ -0,0 +1,169 @@
+// PluginDelete.cpp
+
+#include "StdAfx.h"
+
+#include <stdio.h>
+
+#include "Plugin.h"
+#include "Messages.h"
+#include "UpdateCallback100.h"
+
+#include "Windows/FileDir.h"
+
+#include "../../Common/FileStreams.h"
+
+#include "Common/StringConvert.h"
+
+#include "../Common/ZipRegistry.h"
+#include "../Common/WorkDir.h"
+
+using namespace NFar;
+using namespace NWindows;
+using namespace NFile;
+using namespace NDirectory;
+
+static LPCWSTR kTempArchivePrefix = L"7zA";
+
+int CPlugin::DeleteFiles(PluginPanelItem *panelItems, int numItems,
+    int opMode)
+{
+  if (numItems == 0)
+    return FALSE;
+  /*
+  if (!m_ArchiverInfo.UpdateEnabled)
+  {
+    g_StartupInfo.ShowMessage(NMessageID::kUpdateNotSupportedForThisArchive);
+    return FALSE;
+  }
+  */
+  if ((opMode & OPM_SILENT) == 0)
+  {
+    const char *msgItems[]=
+    {
+      g_StartupInfo.GetMsgString(NMessageID::kDeleteTitle),
+      g_StartupInfo.GetMsgString(NMessageID::kDeleteFiles),
+      g_StartupInfo.GetMsgString(NMessageID::kDeleteDelete),
+      g_StartupInfo.GetMsgString(NMessageID::kDeleteCancel)
+    };
+    char msg[1024];
+    if (numItems == 1)
+    {
+      sprintf(msg, g_StartupInfo.GetMsgString(NMessageID::kDeleteFile),
+          panelItems[0].FindData.cFileName);
+      msgItems[1] = msg;
+    }
+    else if (numItems > 1)
+    {
+      sprintf(msg, g_StartupInfo.GetMsgString(NMessageID::kDeleteNumberOfFiles), 
+          numItems);
+      msgItems[1] = msg;
+    }
+    if (g_StartupInfo.ShowMessage(FMSG_WARNING, NULL, msgItems, 
+        sizeof(msgItems) / sizeof(msgItems[0]), 2) != 0)
+      return (FALSE);
+  }
+
+  CScreenRestorer screenRestorer;
+  CProgressBox progressBox;
+  CProgressBox *progressBoxPointer = NULL;
+  if ((opMode & OPM_SILENT) == 0 && (opMode & OPM_FIND ) == 0)
+  {
+    screenRestorer.Save();
+
+    progressBoxPointer = &progressBox;
+    progressBox.Init(g_StartupInfo.GetMsgString(NMessageID::kWaitTitle),
+        g_StartupInfo.GetMsgString(NMessageID::kDeleting), 1 << 17);
+  }
+
+  NWorkDir::CInfo workDirInfo;
+  ReadWorkDirInfo(workDirInfo);
+
+  UString workDir = GetWorkDir(workDirInfo, m_FileName);
+  CreateComplexDirectory(workDir);
+
+  CTempFileW tempFile;
+  UString tempFileName;
+  if (tempFile.Create(workDir, kTempArchivePrefix, tempFileName) == 0)
+    return FALSE;
+
+
+  CRecordVector<UINT32> indices;
+  indices.Reserve(numItems);
+  for(int i = 0; i < numItems; i++)
+    indices.Add(panelItems[i].UserData);
+
+  ////////////////////////////
+  // Save _folder;
+
+  UStringVector pathVector;
+  GetPathParts(pathVector);
+  
+  CMyComPtr<IOutFolderArchive> outArchive;
+  HRESULT result = m_ArchiveHandler.QueryInterface(
+      IID_IOutFolderArchive, &outArchive);
+  if(result != S_OK)
+  {
+    g_StartupInfo.ShowMessage(NMessageID::kUpdateNotSupportedForThisArchive);
+    return FALSE;
+  }
+  outArchive->SetFolder(_folder);
+
+  CUpdateCallback100Imp *updateCallbackSpec = new CUpdateCallback100Imp;
+  CMyComPtr<IFolderArchiveUpdateCallback> updateCallback(updateCallbackSpec );
+  
+  updateCallbackSpec->Init(m_ArchiveHandler, &progressBox);
+
+
+  result = outArchive->DeleteItems(
+      tempFileName, 
+      &indices.Front(), indices.Size(),
+      updateCallback);
+  updateCallback.Release();
+  outArchive.Release();
+
+  if (result != S_OK)
+  {
+    ShowErrorMessage(result);
+    return FALSE;
+  }
+
+  _folder.Release();
+  m_ArchiveHandler->Close();
+  
+  if (!DeleteFileAlways(m_FileName))
+  {
+    ShowLastErrorMessage();
+    return FALSE;
+  }
+
+  tempFile.DisableDeleting();
+  if (!MyMoveFile(tempFileName, m_FileName))
+  {
+    ShowLastErrorMessage();
+    return FALSE;
+  }
+  
+  result = m_ArchiveHandler->ReOpen(NULL);
+  if (result != S_OK)
+  {
+    ShowErrorMessage(result);
+    return FALSE;
+  }
+
+ 
+  ////////////////////////////
+  // Restore _folder;
+
+  m_ArchiveHandler->BindToRootFolder(&_folder);
+  for (i = 0; i < pathVector.Size(); i++)
+  {
+    CMyComPtr<IFolderFolder> newFolder;
+    _folder->BindToFolder(pathVector[i], &newFolder);
+    if(!newFolder  )
+      break;
+    _folder = newFolder;
+  }
+  GetCurrentDir();
+
+  return(TRUE);
+}