libyui-qt-pkg  2.47.2
YQPkgStatusFilterView.cc
1 /**************************************************************************
2 Copyright (C) 2000 - 2010 Novell, Inc.
3 All Rights Reserved.
4 
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9 
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 
19 **************************************************************************/
20 
21 
22 /*---------------------------------------------------------------------\
23 | |
24 | __ __ ____ _____ ____ |
25 | \ \ / /_ _/ ___|_ _|___ \ |
26 | \ V / _` \___ \ | | __) | |
27 | | | (_| |___) || | / __/ |
28 | |_|\__,_|____/ |_| |_____| |
29 | |
30 | core system |
31 | (C) SuSE GmbH |
32 \----------------------------------------------------------------------/
33 
34  File: YQPkgStatusFilterView.cc
35 
36  Author: Stefan Hundhammer <sh@suse.de>
37 
38  Textdomain "qt-pkg"
39 
40 /-*/
41 
42 #include <QCheckBox>
43 #include <QLabel>
44 #include <QLayout>
45 #include <QPushButton>
46 #include <QGroupBox>
47 #include <QPixmap>
48 
49 #define YUILogComponent "qt-pkg"
50 #include "YUILog.h"
51 
52 #include "YQPkgStatusFilterView.h"
53 #include "YQIconPool.h"
54 #include "YQi18n.h"
55 #include "QY2LayoutUtils.h"
56 #include "utf8.h"
57 #include "YQUI.h"
58 
59 
60 #define SPACING 6 // between subwidgets
61 #define MARGIN 4 // around the widget
62 
63 
64 YQPkgStatusFilterView::YQPkgStatusFilterView( QWidget * parent )
65  : QScrollArea( parent )
66 {
67  QWidget * content = new QWidget;
68  QVBoxLayout *layout = new QVBoxLayout();
69  content->setLayout(layout);
70  layout->setMargin( MARGIN );
71  layout->setSpacing( SPACING );
72 
73  layout->addStretch();
74 
75 #if 0
76  // Headline
77  QLabel * label = new QLabel( _( "Changes Overview" ), this );
78  Q_CHECK_PTR( label );
79  label->setFont( YQUI::ui()->headingFont() );
80 #endif
81 
82 
83  //
84  // Packages with what status to show
85  //
86 
87  QGroupBox * gbox = new QGroupBox( _( "Show packages with status" ), content );
88  Q_CHECK_PTR( gbox );
89 
90  QVBoxLayout *box = new QVBoxLayout;
91  gbox->setLayout(box);
92  layout->addWidget(gbox);
93 
94  _showDel = addStatusCheckBox( gbox, _( "Delete" ), YQIconPool::pkgDel(), true );
95  _showInstall = addStatusCheckBox( gbox, _( "Install" ), YQIconPool::pkgInstall(), true );
96  _showUpdate = addStatusCheckBox( gbox, _( "Update" ), YQIconPool::pkgUpdate(), true );
97  _showAutoDel = addStatusCheckBox( gbox, _( "Autodelete" ), YQIconPool::pkgAutoDel(), true );
98  _showAutoInstall = addStatusCheckBox( gbox, _( "Autoinstall" ), YQIconPool::pkgAutoInstall(), true );
99  _showAutoUpdate = addStatusCheckBox( gbox, _( "Autoupdate" ), YQIconPool::pkgAutoUpdate(), true );
100  _showTaboo = addStatusCheckBox( gbox, _( "Taboo" ), YQIconPool::pkgTaboo(), true );
101  _showProtected = addStatusCheckBox( gbox, _( "Protected" ), YQIconPool::pkgProtected(), true );
102 
103  box->addSpacing( 8 );
104  box->addStretch(); // For the other columns of the QGroupBox ( prevent wraparound )
105  box->addStretch();
106 
107  _showKeepInstalled = addStatusCheckBox( gbox, _( "Keep" ), YQIconPool::pkgKeepInstalled(), false );
108  _showNoInst = addStatusCheckBox( gbox, _( "Do not install" ), YQIconPool::pkgNoInst(), false );
109 
110  layout->addStretch();
111 
112 
113  // Box for refresh button
114  QHBoxLayout *hbox = new QHBoxLayout();
115  layout->addLayout(hbox);
116 
117  hbox->addStretch();
118 
119  // Refresh button
120  _refreshButton = new QPushButton( _( "&Refresh List" ), content );
121  Q_CHECK_PTR( _refreshButton );
122  hbox->addWidget(_refreshButton);
123 
124  hbox->addStretch();
125 
126  connect( _refreshButton, SIGNAL( clicked() ),
127  this, SLOT ( filter() ) );
128 
129  for ( int i=0; i < 6; i++ )
130  layout->addStretch();
131 
132  setWidgetResizable(true);
133  setWidget(content);
134 }
135 
136 
137 YQPkgStatusFilterView::~YQPkgStatusFilterView()
138 {
139  // NOP
140 }
141 
142 
143 
144 QCheckBox *
145 YQPkgStatusFilterView::addStatusCheckBox( QWidget * parent,
146  const QString & text,
147  const QPixmap & icon,
148  bool initiallyChecked )
149 {
150  QBoxLayout *layout = dynamic_cast<QBoxLayout*>(parent->layout());
151 
152  QHBoxLayout *hbox = new QHBoxLayout;
153  layout->addLayout(hbox);
154 
155  QCheckBox * checkBox = new QCheckBox( text, parent );
156  Q_CHECK_PTR( checkBox );
157  checkBox->setChecked( initiallyChecked );
158 
159  hbox->addWidget(checkBox);
160 
161  QLabel * label = new QLabel( parent );
162  Q_CHECK_PTR( label );
163  label->setPixmap( icon );
164 
165  hbox->addWidget(label);
166 
167  layout->addStretch();
168 
169  connect( checkBox, SIGNAL( clicked() ),
170  this, SLOT ( filter() ) );
171 
172  return checkBox;
173 }
174 
175 
176 QSize
177 YQPkgStatusFilterView::minimumSizeHint() const
178 {
179  return QSize( 0, 0 );
180 }
181 
182 
183 void
184 YQPkgStatusFilterView::filterIfVisible()
185 {
186  if ( isVisible() )
187  filter();
188 }
189 
190 
191 void
192 YQPkgStatusFilterView::filter()
193 {
194  emit filterStart();
195 
196  for ( ZyppPoolIterator it = zyppPkgBegin();
197  it != zyppPkgEnd();
198  ++it )
199  {
200  ZyppSel selectable = *it;
201 
202  bool match =
203  check( selectable, selectable->candidateObj() ) ||
204  check( selectable, selectable->installedObj() );
205 
206  // If there is neither an installed nor a candidate package, check
207  // any other instance.
208 
209  if ( ! match &&
210  ! selectable->candidateObj() &&
211  ! selectable->installedObj() )
212  check( selectable, selectable->theObj() );
213  }
214 
215  emit filterFinished();
216 }
217 
218 
219 bool
220 YQPkgStatusFilterView::check( ZyppSel selectable,
221  ZyppObj zyppObj )
222 {
223  bool match = false;
224 
225  if ( ! zyppObj )
226  return false;
227 
228  switch ( selectable->status() )
229  {
230  case S_AutoDel: match = _showAutoDel->isChecked(); break;
231  case S_AutoInstall: match = _showAutoInstall->isChecked(); break;
232  case S_AutoUpdate: match = _showAutoUpdate->isChecked(); break;
233  case S_Del: match = _showDel->isChecked(); break;
234  case S_Install: match = _showInstall->isChecked(); break;
235  case S_KeepInstalled: match = _showKeepInstalled->isChecked(); break;
236  case S_NoInst: match = _showNoInst->isChecked(); break;
237  case S_Protected: match = _showProtected->isChecked(); break;
238  case S_Taboo: match = _showTaboo->isChecked(); break;
239  case S_Update: match = _showUpdate->isChecked(); break;
240 
241  // Intentionally omitting 'default' branch so the compiler can
242  // catch unhandled enum states
243  }
244 
245  if ( match )
246  {
247  ZyppPkg zyppPkg = tryCastToZyppPkg( zyppObj );
248 
249  if ( zyppPkg )
250  emit filterMatch( selectable, zyppPkg );
251  }
252 
253  return match;
254 }
255 
256 
257 
258 void YQPkgStatusFilterView::clear()
259 {
260  _showDel->setChecked( false );
261  _showInstall->setChecked( false );
262  _showUpdate->setChecked( false );
263  _showAutoDel->setChecked( false );
264  _showAutoInstall->setChecked( false );
265  _showAutoUpdate->setChecked( false );
266  _showTaboo->setChecked( false );
267  _showProtected->setChecked( false );
268  _showKeepInstalled->setChecked( false );
269  _showNoInst->setChecked( false );
270 }
271 
272 
273 void YQPkgStatusFilterView::showTransactions()
274 {
275  showManualTransactions();
276  showAutoTransactions();
277 }
278 
279 
280 void YQPkgStatusFilterView::showManualTransactions()
281 {
282  _showDel->setChecked( true );
283  _showInstall->setChecked( true );
284  _showUpdate->setChecked( true );
285 }
286 
287 
288 void YQPkgStatusFilterView::showAutoTransactions()
289 {
290  _showAutoDel->setChecked( true );
291  _showAutoInstall->setChecked( true );
292  _showAutoUpdate->setChecked( true );
293 }
294 
295 
296 void YQPkgStatusFilterView::showLocks()
297 {
298  _showTaboo->setChecked( true );
299  _showProtected->setChecked( true );
300 }
301 
302 
303 void YQPkgStatusFilterView::showInstalled()
304 {
305  _showKeepInstalled->setChecked( true );
306 }
307 
308 
309 void YQPkgStatusFilterView::showNotInstalled()
310 {
311  _showNoInst->setChecked( true );
312 }
313 
314 
315 
YQPkgStatusFilterView::clear
void clear()
Reset all check boxes (set them all to "off")
Definition: YQPkgStatusFilterView.cc:257
YQPkgStatusFilterView::showNotInstalled
void showNotInstalled()
Set the check box for not installed packages to "on".
Definition: YQPkgStatusFilterView.cc:308
YQPkgStatusFilterView::showManualTransactions
void showManualTransactions()
Set up the check boxes so pending manual transactions (no "auto" states) are displayed.
Definition: YQPkgStatusFilterView.cc:279
YQPkgStatusFilterView::YQPkgStatusFilterView
YQPkgStatusFilterView(QWidget *parent)
Constructor.
Definition: YQPkgStatusFilterView.cc:63
YQPkgStatusFilterView::filter
void filter()
Filter according to the view's rules and current selection.
Definition: YQPkgStatusFilterView.cc:191
YQPkgStatusFilterView::filterStart
void filterStart()
Emitted when the filtering starts.
YQPkgStatusFilterView::filterFinished
void filterFinished()
Emitted when filtering is finished.
YQPkgStatusFilterView::showTransactions
void showTransactions()
Set up the check boxes so all pending transactions are displayed.
Definition: YQPkgStatusFilterView.cc:272
YQPkgStatusFilterView::~YQPkgStatusFilterView
virtual ~YQPkgStatusFilterView()
Destructor.
Definition: YQPkgStatusFilterView.cc:136
YQPkgStatusFilterView::showInstalled
void showInstalled()
Set the check box for installed packages to "on".
Definition: YQPkgStatusFilterView.cc:302
YQPkgStatusFilterView::minimumSizeHint
virtual QSize minimumSizeHint() const
Returns the minimum size required for this widget.
Definition: YQPkgStatusFilterView.cc:176
YQPkgStatusFilterView::filterMatch
void filterMatch(ZyppSel selectable, ZyppPkg pkg)
Emitted during filtering for each pkg that matches the filter.
YQPkgStatusFilterView::filterIfVisible
void filterIfVisible()
Same as filter(), but only if this widget is currently visible.
Definition: YQPkgStatusFilterView.cc:183
YQPkgStatusFilterView::showLocks
void showLocks()
Set the check boxes for locked packages ("Taboo" and "Protected") to "on".
Definition: YQPkgStatusFilterView.cc:295
YQPkgStatusFilterView::showAutoTransactions
void showAutoTransactions()
Set up the check boxes so pending automatic transactions (the "auto" states) are displayed.
Definition: YQPkgStatusFilterView.cc:287
YQPkgStatusFilterView::addStatusCheckBox
QCheckBox * addStatusCheckBox(QWidget *parent, const QString &label, const QPixmap &icon, bool initiallyChecked)
Add a check box.
Definition: YQPkgStatusFilterView.cc:144
YQPkgStatusFilterView::check
bool check(ZyppSel selectable, ZyppObj pkg)
Check if pkg matches the filter criteria.
Definition: YQPkgStatusFilterView.cc:219