CfgConfigEditor Class Reference

#include <CfgConfigEditor.h>

Inheritance diagram for CfgConfigEditor:

List of all members.

Public Member Functions
	CfgConfigEditor (CfgConfig *cfg)
	A class to modify an existing configuration and publish changes.
virtual	~CfgConfigEditor ()
virtual int	EditConfig (CfgConfig &cfg)
	The user edit function.
void	Apply ()
void	Edit ()
void	Reset ()
void	Cancel ()
Private Attributes
bool	fNewConfig
	Have we created a config. during the edit?
CfgConfig *	fConfig
	The configuration to be edited.
CfgConfig *	fConfigCopy
	A copy of the original configuration.

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Detailed Description

Definition at line 22 of file CfgConfigEditor.h.

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Constructor & Destructor Documentation

CfgConfigEditor::CfgConfigEditor

(

CfgConfig *

cfg

)

A class to modify an existing configuration and publish changes.

Definition at line 17 of file CfgConfigEditor.cxx.

                                               :
  fNewConfig ( false ),
  fConfig    ( cfg   ), 
  fConfigCopy( 0 )  
{ }

CfgConfigEditor::~CfgConfigEditor

(

)

[virtual]

Definition at line 25 of file CfgConfigEditor.cxx.

References fConfigCopy.

{
//======================================================================
// Free memory used during edit
//======================================================================
  if (fConfigCopy) { delete fConfigCopy; fConfigCopy = 0; }
}

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Member Function Documentation

void CfgConfigEditor::Apply

(

)

Reimplemented in EVDCfgEdit.

Definition at line 72 of file CfgConfigEditor.cxx.

References CfgTable::AdoptConfig(), fConfig, fNewConfig, CfgTable::GetObservers(), CfgTable::Instance(), and CfgException::Print().

Referenced by Edit().

{
//======================================================================
// Apply the changes made to the configuration.
//======================================================================
  CfgTable& t = CfgTable::Instance();
  
  // Insert the configuration into the table of configurations 
  if (fNewConfig) t.AdoptConfig(fConfig);
  
  // Alert observers of this configuration to the change it its
  // state
  CfgTable::ObsList olist;
  t.GetObservers(fConfig->GetName(), fConfig->GetVersion(), olist);

  CfgTable::ObsList::iterator    itr(olist.begin());
  CfgTable::ObsList::iterator itrEnd(olist.end());
  for (; itr!=itrEnd; ++itr) try {(*itr)->Update(*fConfig); }
  catch (CfgException e) {
    std::cout << " *-> " << fConfig->GetName() << "." 
          << fConfig->GetVersion() << " ";
    e.Print();
    exit(-1);
  }
}

void CfgConfigEditor::Cancel

(

)

Reimplemented in EVDCfgEdit.

Definition at line 113 of file CfgConfigEditor.cxx.

References CfgConfig::Copy(), fConfig, fConfigCopy, fNewConfig, CfgConfig::GetSource(), and CfgConfig::GetVersion().

Referenced by Edit().

{
//======================================================================
// Cancel the edit operation
//======================================================================
  CfgConfig::Copy(*fConfig,
          *fConfigCopy,
          fConfigCopy->GetVersion(),
          fConfigCopy->GetSource());
  if (fNewConfig) { delete fConfig; fConfig = 0; }
}

void CfgConfigEditor::Edit

(

)

Definition at line 35 of file CfgConfigEditor.cxx.

References Apply(), Cancel(), CfgConfig::Copy(), EditConfig(), CfgConfig::EditOK(), fConfig, fConfigCopy, CfgConfig::GetName(), CfgConfig::GetSource(), and CfgConfig::GetVersion().

Referenced by EVDCfgEdit::Apply(), and main().

{
//======================================================================
// Actually do the edit
//======================================================================

  // Test if the edit of the configuration is OK
  if (fConfig->EditOK()==false) return;

  // Make a copy of the configuration prior to any changes
  fConfigCopy = new CfgConfig(fConfig->GetName(),"dummy","dummy");
  CfgConfig::Copy(*fConfigCopy,
          *fConfig,
          fConfig->GetVersion(),
          fConfig->GetSource());
  
  // Make the edit
  int apply = this->EditConfig(*fConfig);

  // Apply any changes
  if (apply==0) this->Cancel();
  else          this->Apply();
}

int CfgConfigEditor::EditConfig

(

CfgConfig &

cfg

)

[virtual]

The user edit function.

Modify cfg at by some means. Return 1 to apply changes made to cfg, 0 to discard them

Reimplemented in TestEditor, and EVDCfgEdit.

Definition at line 61 of file CfgConfigEditor.cxx.

Referenced by Edit().

{
//======================================================================
// User edit routine. Modify the configuration cfg.
//======================================================================
  return 0; // Do not apply edits
  // return 1; // Apply edits
}

void CfgConfigEditor::Reset

(

)

Definition at line 100 of file CfgConfigEditor.cxx.

References CfgConfig::Copy(), fConfig, fConfigCopy, CfgConfig::GetSource(), and CfgConfig::GetVersion().

{
//======================================================================
// Set the state of the configuration back to what it was prior to edit
//======================================================================
  CfgConfig::Copy(*fConfig,
          *fConfigCopy,
          fConfigCopy->GetVersion(),
          fConfigCopy->GetSource());
}

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Member Data Documentation

CfgConfig* CfgConfigEditor::fConfig [private]

The configuration to be edited.

Definition at line 39 of file CfgConfigEditor.h.

Referenced by Apply(), Cancel(), Edit(), and Reset().

CfgConfig* CfgConfigEditor::fConfigCopy [private]

A copy of the original configuration.

Definition at line 40 of file CfgConfigEditor.h.

Referenced by Cancel(), Edit(), Reset(), and ~CfgConfigEditor().

bool CfgConfigEditor::fNewConfig [private]

Have we created a config. during the edit?

Definition at line 38 of file CfgConfigEditor.h.

Referenced by Apply(), and Cancel().

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The documentation for this class was generated from the following files:

• CfgConfigEditor.h
• CfgConfigEditor.cxx

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