1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/* This file is part of the KDE project
Copyright (C) 2000 David Faure <[email protected]>
2000 Carsten Pfeiffer <[email protected]>
2001 Klaas Freitag <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef TDEFILE_TREE_BRANCH_H
#define TDEFILE_TREE_BRANCH_H
#include <tqdict.h>
#include <tqlistview.h>
#include <tdefileitem.h>
#include <tdeio/global.h>
#include <kdirlister.h>
#include <tdeio/job.h>
#include <tdefiletreeviewitem.h>
class KURL;
class KFileTreeView;
/**
* This is the branch class of the KFileTreeView, which represents one
* branch in the treeview. Every branch has a root which is an url. The branch
* lists the files under the root. Every branch uses its own dirlister and can
* have its own filter etc.
*
* @short Branch object for KFileTreeView object.
*
*/
class TDEIO_EXPORT KFileTreeBranch : public KDirLister
{
Q_OBJECT
public:
/**
* constructs a branch for KFileTreeView. Does not yet start to list it.
* @param url start url of the branch.
* @param name the name of the branch, which is displayed in the first column of the treeview.
* @param pix is a pixmap to display as an icon of the branch.
* @param showHidden flag to make hidden files visible or not.
* @param branchRoot is the KFileTreeViewItem to use as the root of the
* branch, with the default 0 meaning to let KFileTreeBranch create
* it for you.
*/
KFileTreeBranch( KFileTreeView*, const KURL& url, const TQString& name,
const TQPixmap& pix, bool showHidden = false,
KFileTreeViewItem *branchRoot = 0 );
/**
* @returns the root url of the branch.
*/
KURL rootUrl() const { return( m_startURL ); }
/**
* sets a KFileTreeViewItem as root widget for the branch.
* That must be created outside of the branch. All KFileTreeViewItems
* the branch is allocating will become children of that object.
* @param r the KFileTreeViewItem to become the root item.
*/
virtual void setRoot( KFileTreeViewItem *r ){ m_root = r; };
/**
* @returns the root item.
*/
KFileTreeViewItem *root( ) { return( m_root );}
/**
* @returns the name of the branch.
*/
TQString name() const { return( m_name ); }
/**
* sets the name of the branch.
*/
virtual void setName( const TQString n ) { m_name = n; };
/*
* returns the current root item pixmap set in the constructor. The root
* item pixmap defaults to the icon for directories.
* @see openPixmap()
*/
const TQPixmap& pixmap(){ return(m_rootIcon); }
/*
* returns the current root item pixmap set by setOpenPixmap()
* which is displayed if the branch is expanded.
* The root item pixmap defaults to the icon for directories.
* @see pixmap()
* Note that it depends on KFileTreeView::showFolderOpenPximap weather
* open pixmap are displayed or not.
*/
const TQPixmap& openPixmap() { return(m_openRootIcon); }
/**
* @returns whether the items in the branch show their file extensions in the
* tree or not. See setShowExtensions for more information.
*/
bool showExtensions( ) const;
/**
* sets the root of the branch open or closed.
*/
void setOpen( bool setopen = true )
{ if( root() ) root()->setOpen( setopen ); }
/**
* sets if children recursion is wanted or not. If this is switched off, the
* child directories of a just opened directory are not listed internally.
* That means that it can not be determined if the sub directories are
* expandable or not. If this is switched off there will be no call to
* setExpandable.
* @param t set to true to switch on child recursion
*/
void setChildRecurse( bool t=true );
/**
* @returns if child recursion is on or off.
* @see setChildRecurse
*/
bool childRecurse()
{ return m_recurseChildren; }
public slots:
/**
* populates a branch. This method must be called after a branch was added
* to a KFileTreeView using method addBranch.
* @param url is the url of the root item where the branch starts.
* @param currItem is the current parent.
*/
virtual bool populate( const KURL &url, KFileTreeViewItem* currItem );
/**
* sets printing of the file extensions on or off. If you pass false to this
* slot, all items of this branch will not show their file extensions in the
* tree.
* @param visible flags if the extensions should be visible or not.
*/
virtual void setShowExtensions( bool visible = true );
void setOpenPixmap( const TQPixmap& pix );
protected:
/**
* allocates a KFileTreeViewItem for the branch
* for new items.
*/
virtual KFileTreeViewItem *createTreeViewItem( KFileTreeViewItem *parent,
KFileItem *fileItem );
public:
/**
* find the according KFileTreeViewItem by an url
*/
virtual KFileTreeViewItem *findTVIByURL( const KURL& );
signals:
/**
* emitted with the item of a directory which was finished to populate
*/
void populateFinished( KFileTreeViewItem * );
/**
* emitted with a list of new or updated KFileTreeViewItem which were
* found in a branch. Note that this signal is emitted very often and may slow
* down the performance of the treeview !
*/
void newTreeViewItems( KFileTreeBranch*, const KFileTreeViewItemList& );
/**
* emitted with the exact count of children for a directory.
*/
void directoryChildCount( KFileTreeViewItem* item, int count );
private slots:
void slotRefreshItems( const KFileItemList& );
void addItems( const KFileItemList& );
void slCompleted( const KURL& );
void slotCanceled( const KURL& );
void slotListerStarted( const KURL& );
void slotDeleteItem( KFileItem* );
void slotDirlisterClear();
void slotDirlisterClearURL( const KURL& url );
void slotRedirect( const KURL& oldUrl, const KURL&newUrl );
private:
KFileTreeViewItem *parentKFTVItem( KFileItem *item );
static void deleteChildrenOf( TQListViewItem *parent );
KFileTreeViewItem *m_root;
KURL m_startURL;
TQString m_name;
TQPixmap m_rootIcon;
TQPixmap m_openRootIcon;
/* this list holds the url's which children are opened. */
KURL::List m_openChildrenURLs;
/* The next two members are used for caching purposes in findTVIByURL. */
KURL m_lastFoundURL;
KFileTreeViewItem *m_lastFoundItem;
bool m_recurseChildren :1;
bool m_showExtensions :1;
protected:
virtual void virtual_hook( int id, void* data );
private:
class KFileTreeBranchPrivate;
KFileTreeBranchPrivate *d;
};
/**
* List of KFileTreeBranches
*/
typedef TQPtrList<KFileTreeBranch> KFileTreeBranchList;
/**
* Iterator for KFileTreeBranchLists
*/
typedef TQPtrListIterator<KFileTreeBranch> KFileTreeBranchIterator;
#endif
|
