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tdeio/tdefile

Public Types | Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes
KFileView Class Reference

#include <tdefileview.h>

Inheritance diagram for KFileView:
KCombiView KFileDetailView KFileIconView KFilePreview

List of all members.

Public Types

enum  ViewMode { Files = 1, Directories = 2, All = Files | Directories }
enum  DropOptions { AutoOpenDirs = 1 }

Public Member Functions

virtual ~KFileView ()
void addItemList (const KFileItemList &list)
virtual TQWidget * widget ()=0
TQWidget * widget () const
void setCurrentItem (const TQString &filename)
virtual void setCurrentItem (const KFileItem *item)=0
virtual KFileItem * currentFileItem () const =0
virtual void clear ()
virtual void updateView (bool f=true)
virtual void updateView (const KFileItem *)
virtual void removeItem (const KFileItem *item)
virtual void listingCompleted ()
TQDir::SortSpec sorting () const
virtual void setSorting (TQDir::SortSpec sort)
bool isReversed () const
void sortReversed ()
uint count () const
uint numFiles () const
uint numDirs () const
virtual void setSelectionMode (KFile::SelectionMode sm)
virtual KFile::SelectionMode selectionMode () const
virtual void setViewMode (ViewMode vm)
virtual ViewMode viewMode () const
TQString viewName () const
void setViewName (const TQString &name)
virtual void setParentView (KFileView *parent)
virtual void insertItem (KFileItem *i)
virtual void clearView ()=0
virtual void ensureItemVisible (const KFileItem *i)=0
virtual void clearSelection ()=0
virtual void selectAll ()
virtual void invertSelection ()
virtual void setSelected (const KFileItem *, bool enable)=0
virtual bool isSelected (const KFileItem *) const =0
const KFileItemList * selectedItems () const
const KFileItemList * items () const
virtual KFileItem * firstFileItem () const =0
virtual KFileItem * nextItem (const KFileItem *) const =0
virtual KFileItem * prevItem (const KFileItem *) const =0
void setOnlyDoubleClickSelectsFiles (bool enable)
bool onlyDoubleClickSelectsFiles () const
bool updateNumbers (const KFileItem *i)
virtual TDEActionCollection * actionCollection () const
KFileViewSignaler * signaler () const
virtual void readConfig (TDEConfig *, const TQString &group=TQString::null)
virtual void writeConfig (TDEConfig *, const TQString &group=TQString::null)
void setDropOptions (int options)
int dropOptions ()

Static Public Member Functions

static TQString sortingKey (const TQString &value, bool isDir, int sortSpec)
static TQString sortingKey (TDEIO::filesize_t value, bool isDir, int sortSpec)
static int autoOpenDelay ()

Protected Types

enum  { VIRTUAL_SET_DROP_OPTIONS = 1 }

Protected Member Functions

virtual void virtual_hook (int id, void *data)
void setDropOptions_impl (int options)

Protected Attributes

KFileViewSignaler * sig

Detailed Description

This class defines an interface to all file views.

Its intent is to allow to switch the view of the files in the selector very easily. It defines some pure virtual functions, that must be implemented to make a file view working.

Since this class is not a widget, but it's meant to be added to other widgets, its most important function is widget. This should return a pointer to the implemented widget.

A base class for views of the KDE file selector

Author:
Stephan Kulow <coolo@kde.org>

Definition at line 98 of file tdefileview.h.


Member Enumeration Documentation

enum KFileView::DropOptions

Various options for drag and drop support.

These values can be or'd together.

  • AutoOpenDirs Automatically open directory after hovering above it for a short while while dragging.
    Since:
    3.2

Definition at line 359 of file tdefileview.h.


Constructor & Destructor Documentation

KFileView::~KFileView ( ) [virtual]

Destructor.

Definition at line 83 of file tdefileview.cpp.


Member Function Documentation

TDEActionCollection * KFileView::actionCollection ( ) const [virtual]
Returns:
the view-specific action-collection. Every view should add its actions here (if it has any) to make them available to e.g. the KDirOperator's popup-menu.

Reimplemented in KCombiView, and KFilePreview.

Definition at line 365 of file tdefileview.cpp.

void KFileView::addItemList ( const KFileItemList &  list)

inserts a list of items.

Definition at line 130 of file tdefileview.cpp.

void KFileView::clear ( ) [virtual]

Clears the view and all item lists.

Reimplemented in KCombiView, and KFilePreview.

Definition at line 156 of file tdefileview.cpp.

virtual void KFileView::clearSelection ( ) [pure virtual]

Clears any selection, unhighlights everything.

Must be implemented by the view.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

virtual void KFileView::clearView ( ) [pure virtual]

pure virtual function, that should be implemented to clear the view.

At this moment the list is already empty

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

uint KFileView::count ( ) const [inline]
Returns:
the number of dirs and files

Definition at line 206 of file tdefileview.h.

virtual KFileItem* KFileView::currentFileItem ( ) const [pure virtual]
Returns:
the "current" KFileItem, e.g. where the cursor is. Returns 0L when there is no current item (e.g. in an empty view). Subclasses have to implement this.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

int KFileView::dropOptions ( )

Returns the DND options in effect.

See DropOptions for details.

Since:
3.2

Definition at line 407 of file tdefileview.cpp.

virtual void KFileView::ensureItemVisible ( const KFileItem *  i) [pure virtual]

pure virtual function, that should be implemented to make item i visible, i.e.

by scrolling the view appropriately.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

void KFileView::insertItem ( KFileItem *  i) [virtual]

The derived view must implement this function to add the file in the widget.

Make sure to call this implementation, i.e. KFileView::insertItem( i );

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 147 of file tdefileview.cpp.

void KFileView::invertSelection ( ) [virtual]

Inverts the current selection, i.e.

selects all items, that were up to now not selected and deselects the other.

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 323 of file tdefileview.cpp.

bool KFileView::isReversed ( ) const [inline]

Tells whether the current items are in reversed order (shortcut to sorting() & TQDir::Reversed).

Definition at line 199 of file tdefileview.h.

virtual bool KFileView::isSelected ( const KFileItem *  ) const [pure virtual]
Returns:
whether the given item is currently selected. Must be implemented by the view.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

const KFileItemList * KFileView::items ( ) const
Returns:
all items currently available in the current sort-order

Definition at line 283 of file tdefileview.cpp.

void KFileView::listingCompleted ( ) [virtual]

This hook is called when all items of the currently listed directory are listed and inserted into the view, i.e.

there won't come any new items anymore.

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 360 of file tdefileview.cpp.

uint KFileView::numDirs ( ) const [inline]
Returns:
the number of directories

Definition at line 216 of file tdefileview.h.

uint KFileView::numFiles ( ) const [inline]
Returns:
the number of files.

Definition at line 211 of file tdefileview.h.

bool KFileView::onlyDoubleClickSelectsFiles ( ) const [inline]
Returns:
whether files (not directories) should only be select()ed by double-clicks.
See also:
setOnlyDoubleClickSelectsFiles

Definition at line 330 of file tdefileview.h.

void KFileView::removeItem ( const KFileItem *  item) [virtual]

Removes an item from the list; has to be implemented by the view.

Call KFileView::removeItem( item ) after removing it.

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 346 of file tdefileview.cpp.

void KFileView::selectAll ( ) [virtual]

Selects all items.

You may want to override this, if you can implement it more efficiently than calling setSelected() with every item. This works only in Multiselection mode of course.

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 312 of file tdefileview.cpp.

const KFileItemList * KFileView::selectedItems ( ) const
Returns:
all currently highlighted items.

Definition at line 296 of file tdefileview.cpp.

void KFileView::setCurrentItem ( const TQString &  filename)

Sets filename the current item in the view, if available.

Definition at line 268 of file tdefileview.cpp.

virtual void KFileView::setCurrentItem ( const KFileItem *  item) [pure virtual]

Reimplement this to set item the current item in the view, e.g.

the item having focus.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

void KFileView::setDropOptions ( int  options)

Specify DND options.

See DropOptions for details. All options are disabled by default.

Since:
3.2

Definition at line 397 of file tdefileview.cpp.

void KFileView::setOnlyDoubleClickSelectsFiles ( bool  enable) [inline]

This is a KFileDialog specific hack: we want to select directories with single click, but not files.

But as a generic class, we have to be able to select files on single click as well.

This gives us the opportunity to do both.

Every view has to decide when to call select( item ) when a file was single-clicked, based on onlyDoubleClickSelectsFiles().

Definition at line 321 of file tdefileview.h.

virtual void KFileView::setSelected ( const KFileItem *  ,
bool  enable 
) [pure virtual]

Tells the view that it should highlight the item.

This function must be implemented by the view.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

void KFileView::setSorting ( TQDir::SortSpec  sort) [virtual]

Sets the sorting order of the view.

Default is TQDir::Name | TQDir::IgnoreCase | TQDir::DirsFirst Override this in your subclass and sort accordingly (usually by setting the sorting-key for every item and telling QIconView or TQListView to sort.

A view may choose to use a different sorting than TQDir::Name, Time or Size. E.g. to sort by mimetype or any possible string. Set the sorting to TQDir::Unsorted for that and do the rest internally.

See also:
sortingKey

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 151 of file tdefileview.cpp.

void KFileView::setViewName ( const TQString &  name) [inline]

Sets the name of the view, which could be displayed somewhere.

E.g. "Image Preview".

Definition at line 240 of file tdefileview.h.

TQDir::SortSpec KFileView::sorting ( ) const [inline]

Returns the sorting order of the internal list.

Newly added files are added through this sorting.

Definition at line 177 of file tdefileview.h.

TQString KFileView::sortingKey ( const TQString &  value,
bool  isDir,
int  sortSpec 
) [static]

This method calculates a TQString from the given parameters, that is suitable for sorting with e.g.

TQIconView or TQListView. Their Item-classes usually have a setKey( const TQString& ) method or a virtual method TQString key() that is used for sorting.

Parameters:
valueAny string that should be used as sort criterion
isDirTells whether the key is computed for an item representing a directory (directories are usually sorted before files)
sortSpecAn ORed combination of TQDir::SortSpec flags. Currently, the values IgnoreCase, Reversed and DirsFirst are taken into account.

Definition at line 380 of file tdefileview.cpp.

TQString KFileView::sortingKey ( TDEIO::filesize_t  value,
bool  isDir,
int  sortSpec 
) [static]

An overloaded method that takes not a TQString, but a number as sort criterion.

You can use this for file-sizes or dates/times for example. If you use a time_t, you need to cast that to TDEIO::filesize_t because of ambiguity problems.

Definition at line 389 of file tdefileview.cpp.

bool KFileView::updateNumbers ( const KFileItem *  i)

increases the number of dirs and files.

Returns:
true if the item fits the view mode

Definition at line 110 of file tdefileview.cpp.

void KFileView::updateView ( bool  f = true) [virtual]

does a repaint of the view.

The default implementation calls

 widget()->repaint(f)

Reimplemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

Definition at line 259 of file tdefileview.cpp.

TQString KFileView::viewName ( ) const [inline]
Returns:
the localized name of the view, which could be displayed somewhere, e.g. in a menu, where the user can choose between views.
See also:
setViewName

Definition at line 234 of file tdefileview.h.

virtual TQWidget* KFileView::widget ( ) [pure virtual]

a pure virtual function to get a TQWidget, that can be added to other widgets.

This function is needed to make it possible for derived classes to derive from other widgets.

Implemented in KFileDetailView, KFileIconView, KCombiView, and KFilePreview.

TQWidget* KFileView::widget ( ) const [inline]

### As const-method, to be fixed in 3.0

Definition at line 123 of file tdefileview.h.


The documentation for this class was generated from the following files:
  • tdefileview.h
  • tdefileview.cpp

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