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|
// KDat - a tar-based DAT archiver
// Copyright (C) 1998-2000 Sean Vyain, svyain@mail.tds.net
// Copyright (C) 2001-2002 Lawrence Widman, kdat@cardiothink.com
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef _Node_h_
#define _Node_h_
#include <tqobject.h>
#include "ktreeview.h"
class Archive;
class BackupProfile;
class File;
class RangeList;
class Tape;
/**
* @short The base class for all tree nodes in KDat.
*/
class Node : public KTreeViewItem {
int _type;
protected:
void insertNode( Node* child );
public:
enum {
ArchiveableNodeType,
ArchiveNodeType,
BackupProfileNodeType,
BackupProfileRootNodeType,
DirectoryNodeType,
FileNodeType,
MountedArchiveNodeType,
MountedTapeDirectoryNodeType,
MountedTapeFileNodeType,
NodeType,
RangeableNodeType,
RootNodeType,
SelectableNodeType,
TapeNodeType,
TapeDirectoryNodeType,
TapeDriveNodeType,
TapeFileNodeType,
TapeIndexRootNodeType
};
/**
* Create a new tree node.
*
* @param type Should be one of the enums.
* @param text Text label for the node.
* @param pixmap A pixmap to display to the left of the text.
*/
Node( int type, const TQString & text, const TQPixmap& pixmap );
/**
* There must be a virtual destructor in the base class so that all the
* destructors in the inherited classes get called.
*/
virtual ~Node();
/**
* Get the node's type.
*
* @return The type of this node. This information can be used to safely
* downcast a Node pointer.
*/
int getType();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* This method is called immediately before the node is to be expanded.
* This method can be used to fill in the children of this node, or
* prevent the node from expanding. The default implementation does
* nothing.
*
* @param expand The method sets this to TRUE to allow the node to be
* expanded or FALSE to prevent the node from being expanded.
*/
virtual void expanding( bool expand=TRUE );
/**
* This method is called immediately after the node has been expanded.
* The default implementation does nothing.
*/
virtual void expanded();
/**
* This method is called immediately after the node has been collapsed.
* The default implementation does nothing.
*/
virtual void collapsed();
/**
* This method is called immediately after the node has been selected.
* The default implementation does nothing.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& );
};
class ArchiveNode;
/**
* @short This node represents the root of a tape index.
*/
class TapeNode : public Node {
Tape* _tape;
ArchiveNode* findArchiveNode( Archive* archive );
public:
/**
* Create a tape node.
*
* @param tape A pointer to the tape index that this node represents.
*/
TapeNode( Tape* tape );
/**
* Get the tape index associated with this node.
*
* @return A pointer to the tape index.
*/
Tape* getTape();
/**
* Make sure that the displayed information matches the tape index. This
* method recurses through child nodes.
*
* @return TRUE if the node's text has changed.
*/
bool validate();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each archive in the tape index.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a single archive within a tape.
*/
class ArchiveNode : public Node {
Archive* _archive;
public:
/**
* Create an archive node.
*
* @param archive A pointer to the archive that this node represents.
*/
ArchiveNode( Archive* archive );
/**
* Get the archive associated with this node.
*
* @return A pointer to the archive.
*/
Archive* getArchive();
/**
* Make sure that the displayed information matches the tape index. This
* method recurses through child nodes.
*
* @return TRUE if the node's text has changed.
*/
bool validate();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each top-level file/directory contained in the
* archive.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a single directory within an archive.
*/
class TapeDirectoryNode : public Node {
File* _file;
public:
/**
* Create a tape directory node.
*
* @param file A pointer to the file that this node represents.
*/
TapeDirectoryNode( File* file );
/**
* Get the file associated with this node.
*
* @return A pointer to the file.
*/
File* getFile();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each file contained in this directory.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* Change the node's pixmap to an open folder.
*/
virtual void expanded();
/**
* Change the node's pixmap to a closed folder.
*/
virtual void collapsed();
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
};
/**
* @short This node represents a single file within an archive.
*/
class TapeFileNode : public Node {
File* _file;
public:
/**
* Create a tape file node.
*
* @param file A pointer to the file that this node represents.
*/
TapeFileNode( File* file );
/**
* Get the file associated with this node.
*
* @return A pointer to the file.
*/
File* getFile();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
};
/**
* @short This class defines an interface for managing multiple selection of tree nodes.
*/
class SelectableNode : public Node {
protected:
mutable TQRect _selectRect;
enum { SelAll, SelNone, SelSome };
int _state;
void doUpdateState();
void doSetSelected( bool select );
const TQPixmap* getSelectPixmap() const;
virtual bool mousePressEvent( const TQPoint& point );
virtual void paint( TQPainter* p, int indent,
const TQColorGroup& cg, bool highlighted ) const;
virtual void paintText( TQPainter* p, int indent, int cellHeight,
const TQColorGroup& cg, bool highlighted ) const;
virtual int width( int indent, const TQFontMetrics& fm ) const;
virtual TQRect textBoundingRect( int indent ) const;
public:
/**
* Create a selectable node.
*
* @param type Should be one of the enums.
* @param text Text label for the node.
* @param pixmap A pixmap to display to the left of the text.
* @param state The initial selection state of the node.
*/
SelectableNode( int type, const TQString & text, const TQPixmap& pixmap, int state );
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Determine whether the node and all of its children are selected.
*
* @return TRUE if the node is selected, otherwise FALSE.
*/
bool isSelected();
/**
* Determine whether the node has at least one selected descendent.
*
* @return TRUE if at least one descendent is selected.
*/
bool hasSelectedChildren();
/**
* Select/deselect this node and all of its children.
*
* @param selected TRUE means the node will be selected, FALSE means the
* node will be deselected.
*/
virtual void setSelected( bool selected );
};
/**
* @short This class defines an interface for retrieving a list of selected tape blocks.
*/
class RangeableNode : public SelectableNode {
public:
/**
* Create a new rangeable node.
*
* @param type Should be one of the enums.
* @param text Text label for the node.
* @param pixmap A pixmap to display to the left of the text.
* @param state The initial selection state of the node.
*/
RangeableNode( int type, const TQString & text, const TQPixmap& pixmap, int state );
/**
* Get a list of all the selected ranges for the subtree rooted at this
* node.
*/
virtual const TQPtrList<Range>& getRanges() = 0;
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
};
/**
* @short This node represents a single archive within a mounted tape.
*/
class MountedArchiveNode : public RangeableNode {
Archive* _archive;
public:
/**
* Create an mounted archive node.
*
* @param archive A pointer to the archive that this node represents.
*/
MountedArchiveNode( Archive* archive );
/**
* Get the archive associated with this node.
*
* @return A pointer to the archive.
*/
Archive* getArchive();
/**
* Make sure that the displayed information matches the tape index. This
* method recurses through child nodes.
*
* @return TRUE if the node's text has changed.
*/
bool validate();
/**
* Get a list of all the selected ranges for the subtree rooted at this
* node.
*/
virtual const TQPtrList<Range>& getRanges();
/**
* Select/deselect this node and all of its children.
*
* @param selected TRUE means the node will be selected, FALSE means the
* node will be deselected.
*/
virtual void setSelected( bool selected );
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each top-level file/directory contained in the
* archive.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a single directory within a mounted archive.
*/
class MountedTapeDirectoryNode : public RangeableNode {
File* _file;
TQString _fullPath;
public:
/**
* Create a tape directory node.
*
* @param file A pointer to the file that this node represents.
* @param state The initial selection state of the node.
*/
MountedTapeDirectoryNode( File* file, int state );
/**
* Get the file associated with this node.
*
* @return A pointer to the file.
*/
File* getFile();
/**
* Return the "fully" qualified path name of this node. It will probably
* NOT begin with a '/'.
*
* @return The full path name of the directory.
*/
TQString getFullPath();
/**
* Get a list of all the selected ranges for the subtree rooted at this
* node.
*/
virtual const TQPtrList<Range>& getRanges();
/**
* Select/deselect this node and all of its children.
*
* @param selected TRUE means the node will be selected, FALSE means the
* node will be deselected.
*/
virtual void setSelected( bool selected );
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each file contained in this directory.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* Change the node's pixmap to an open folder.
*/
virtual void expanded();
/**
* Change the node's pixmap to a closed folder.
*/
virtual void collapsed();
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a single file within a mounted archive.
*/
class MountedTapeFileNode : public RangeableNode {
File* _file;
TQString _fullPath;
public:
/**
* Create a tape file node.
*
* @param file A pointer to the file that this node represents.
* @param state The initial selection state of the node.
*/
MountedTapeFileNode( File* file, int state );
/**
* Get the file associated with this node.
*
* @return A pointer to the file.
*/
File* getFile();
/**
* Return the "fully" qualified path name of this node. It will probably
* NOT begin with a '/'.
*
* @return The full path name of the file.
*/
TQString getFullPath();
/**
* Get a list of all the selected ranges for the subtree rooted at this
* node.
*/
virtual const TQPtrList<Range>& getRanges();
/**
* Select/deselect this node and all of its children.
*
* @param selected TRUE means the node will be selected, FALSE means the
* node will be deselected.
*/
virtual void setSelected( bool selected );
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This defines an interface for archiveable nodes.
*/
class ArchiveableNode : public SelectableNode {
protected:
TQString _fullPath;
public:
/**
* Create a new archiveable node.
*
* @param type Should be one of the enums.
* @param text Text label for the node.
* @param pixmap A pixmap to display to the left of the text.
* @param state The initial selection state of the node.
*/
ArchiveableNode( int type, const TQString & text, const TQPixmap& pixmap, int state );
/**
* Compute the full path name of this node. Nodes representing
* directories end with a '/'.
*
* @return The full path of the file that this node represents.
*/
virtual TQString getFullPath() = 0;
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
};
/**
* @short This node represents the root directory of the local filesystem.
*/
class RootNode : public ArchiveableNode {
int _mtime;
public:
/**
* Create a root directory node.
*/
RootNode();
/**
* Compute the full path name of this node. Nodes representing
* directories end with a '/'.
*
* @return The full path of the file that this node represents.
*/
virtual TQString getFullPath();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each file contained in this directory. If the
* directory has been modified then all of the child nodes are recreated.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* Change the node's pixmap to an open folder.
*/
virtual void expanded();
/**
* Change the node's pixmap to a closed folder.
*/
virtual void collapsed();
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a directory on the local filesystem.
*/
class DirectoryNode : public ArchiveableNode {
int _mtime;
public:
/**
* Create a directory node.
*
* @param text The name of the directory. The full path is determined by
* traversing the tree to the root node.
* @param state The initial selection state of the node.
*/
DirectoryNode( const TQString & text, int state );
/**
* Compute the full path name of this node. Nodes representing
* directories end with a '/'.
*
* @return The full path of the file that this node represents.
*/
virtual TQString getFullPath();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each file contained in this directory. If the
* directory has been modified then all of the child nodes are recreated.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* Change the node's pixmap to an open folder.
*/
virtual void expanded();
/**
* Change the node's pixmap to a closed folder.
*/
virtual void collapsed();
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a file on the local filesystem.
*/
class FileNode : public ArchiveableNode {
public:
/**
* Create a file node.
*
* @param text The name of the file. The full path is determined by
* traversing the tree to the root node.
* @param state The initial selection state of the node.
*/
FileNode( const TQString & text, int state );
/**
* Compute the full path name of this node. Nodes representing
* directories end with a '/'.
*
* @return The full path of the file that this node represents.
*/
virtual TQString getFullPath();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
};
/**
* @short This node represents a tape drive.
*/
class TapeDriveNode : public TQObject, public Node {
Q_OBJECT
MountedArchiveNode* findArchiveNode( Archive* archive );
public:
/**
* Create a tape drive node.
*/
TapeDriveNode();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each archive in the tape index.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& p );
public slots:
/**
* This slot is called when the tape is mounted.
*/
void slotTapeMounted();
/**
* This slot is called when the tape is unmounted.
*/
void slotTapeUnmounted();
/**
* Locate the child associated with the modified tape index, and make sure
* that the displayed information (including all children) is updated.
*
* @param tape A pointer to the tape index that was modified.
*/
void slotTapeModified( Tape* tape );
};
/**
* @short This node represents the root of the tape index subtree.
*/
class TapeIndexRootNode : public TQObject, public Node {
Q_OBJECT
TapeNode* findTapeNode( Tape* tape );
public:
/**
* Create a tape index root.
*/
TapeIndexRootNode();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each tape index.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* Change the node's pixmap to an open folder.
*/
virtual void expanded();
/**
* Change the node's pixmap to a closed folder.
*/
virtual void collapsed();
public slots:
/**
* Add a new child node for the new tape index.
*
* @param tape A pointer to the new tape index.
*/
void slotTapeAdded( Tape* tape );
/**
* Remove the child associated with the tape index.
*
* @param tape A pointer to the removed tape index.
*/
void slotTapeRemoved( Tape* tape );
/**
* Locate the child associated with the modified tape index, and make sure
* that the displayed information (including all children) is updated.
*
* @param tape A pointer to the tape index that was modified.
*/
void slotTapeModified( Tape* tape );
};
/**
* @short This node represents a backup profile.
*/
class BackupProfileNode : public Node {
BackupProfile* _backupProfile;
public:
/**
* Create a backup profile node.
*
* @param backupProfile A pointer to the backup profile that this node represents.
*/
BackupProfileNode( BackupProfile* backupProfile );
/**
* Get the backup profile associated with this node.
*
* @return A pointer to the backup profile.
*/
BackupProfile* getBackupProfile();
/**
* Make sure that the displayed information matches the backup profile.
*
* @return TRUE if the node's text has changed.
*/
bool validate();
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* This method is called immediately after the node has been selected.
*/
virtual void selected();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& );
};
/**
* @short This node represents the root of the backup profile subtree.
*/
class BackupProfileRootNode : public TQObject, public Node {
Q_OBJECT
BackupProfileNode* findBackupProfileNode( BackupProfile* backupProfile );
public:
/**
* Create a backup profile root.
*/
BackupProfileRootNode();
/**
* Select the node associated with the given backu profile.
*
* @param pBackupProfile The backup profile to select.
*/
void setSelected( BackupProfile* pBackupProfile );
/**
* Determine whether the node is an instance of the given node type.
*
* @param type The type to compare against.
*/
virtual bool isType( int type );
/**
* Create child nodes for each tape index.
*
* @param expand This will always be set to TRUE.
*/
virtual void expanding( bool expand=TRUE );
/**
* Change the node's pixmap to an open folder.
*/
virtual void expanded();
/**
* Change the node's pixmap to a closed folder.
*/
virtual void collapsed();
/**
* This method is called when the user right-clicks the mouse over the
* node.
*/
virtual void popupMenu( const TQPoint& );
public slots:
/**
* Add a new child node for the new backup profile.
*
* @param tape A pointer to the new backup profile.
*/
void slotBackupProfileAdded( BackupProfile* backupProfile );
/**
* Remove the child associated with the backup profile.
*
* @param tape A pointer to the removed backup profile.
*/
void slotBackupProfileRemoved( BackupProfile* backupProfile );
/**
* Locate the child associated with the modified backup profile, and make
* sure that the displayed information is updated.
*
* @param tape A pointer to the backup profile that was modified.
*/
void slotBackupProfileModified( BackupProfile* backupProfile );
};
#endif
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