xref: /glogg/src/filtersdialog.cpp (revision e15651d2319ad5b4a49a6a7b66de20b9e197f732)
1 /*
2  * Copyright (C) 2009, 2010 Nicolas Bonnefon and other contributors
3  *
4  * This file is part of glogg.
5  *
6  * glogg is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * glogg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with glogg.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "log.h"
21 
22 #include "configuration.h"
23 #include "persistentinfo.h"
24 #include "filterset.h"
25 
26 #include "filtersdialog.h"
27 
28 static const QString DEFAULT_PATTERN = "New Filter";
29 static const bool    DEFAULT_IGNORE_CASE = false;
30 static const QString DEFAULT_FORE_COLOUR = "black";
31 static const QString DEFAULT_BACK_COLOUR = "white";
32 
33 // Construct the box, including a copy of the global FilterSet
34 // to handle ok/cancel/apply
35 FiltersDialog::FiltersDialog( QWidget* parent ) : QDialog( parent )
36 {
37     setupUi( this );
38 
39     // Reload the filter list from disk (in case it has been changed
40     // by another glogg instance) and copy it to here.
41     GetPersistentInfo().retrieve( "filterSet" );
42     filterSet = PersistentCopy<FilterSet>( "filterSet" );
43 
44     populateColors();
45     populateFilterList();
46 
47     // Start with all buttons disabled except 'add'
48     removeFilterButton->setEnabled(false);
49     upFilterButton->setEnabled(false);
50     downFilterButton->setEnabled(false);
51 
52     // Default to black on white
53     int index = foreColorBox->findText( DEFAULT_FORE_COLOUR );
54     foreColorBox->setCurrentIndex( index );
55     index = backColorBox->findText( DEFAULT_BACK_COLOUR );
56     backColorBox->setCurrentIndex( index );
57 
58     // No filter selected by default
59     selectedRow_ = -1;
60 
61     connect( filterListWidget, SIGNAL( itemSelectionChanged() ),
62             this, SLOT( updatePropertyFields() ) );
63     connect( patternEdit, SIGNAL( textEdited( const QString& ) ),
64             this, SLOT( updateFilterProperties() ) );
65     connect( ignoreCaseCheckBox, SIGNAL( clicked( bool ) ),
66             this, SLOT( updateFilterProperties() ) );
67     connect( foreColorBox, SIGNAL( activated( int ) ),
68             this, SLOT( updateFilterProperties() ) );
69     connect( backColorBox, SIGNAL( activated( int ) ),
70             this, SLOT( updateFilterProperties() ) );
71 
72     if ( !filterSet->filterList.empty() ) {
73         filterListWidget->setCurrentItem( filterListWidget->item( 0 ) );
74     }
75 }
76 
77 //
78 // Slots
79 //
80 
81 void FiltersDialog::on_addFilterButton_clicked()
82 {
83     LOG(logDEBUG) << "on_addFilterButton_clicked()";
84 
85     Filter newFilter = Filter( DEFAULT_PATTERN, DEFAULT_IGNORE_CASE,
86             DEFAULT_FORE_COLOUR, DEFAULT_BACK_COLOUR );
87     filterSet->filterList << newFilter;
88 
89     // Add and select the newly created filter
90     filterListWidget->addItem( DEFAULT_PATTERN );
91     filterListWidget->setCurrentRow( filterListWidget->count() - 1 );
92 }
93 
94 void FiltersDialog::on_removeFilterButton_clicked()
95 {
96     int index = filterListWidget->currentRow();
97     LOG(logDEBUG) << "on_removeFilterButton_clicked() index " << index;
98 
99     if ( index >= 0 ) {
100         filterSet->filterList.removeAt( index );
101         filterListWidget->setCurrentRow( -1 );
102         delete filterListWidget->takeItem( index );
103 
104         // Select the new item at the same index
105         filterListWidget->setCurrentRow( index );
106     }
107 }
108 
109 void FiltersDialog::on_upFilterButton_clicked()
110 {
111     int index = filterListWidget->currentRow();
112     LOG(logDEBUG) << "on_upFilterButton_clicked() index " << index;
113 
114     if ( index > 0 ) {
115         filterSet->filterList.move( index, index - 1 );
116 
117         QListWidgetItem* item = filterListWidget->takeItem( index );
118         filterListWidget->insertItem( index - 1, item );
119         filterListWidget->setCurrentRow( index - 1 );
120     }
121 }
122 
123 void FiltersDialog::on_downFilterButton_clicked()
124 {
125     int index = filterListWidget->currentRow();
126     LOG(logDEBUG) << "on_downFilterButton_clicked() index " << index;
127 
128     if ( ( index >= 0 ) && ( index < ( filterListWidget->count() - 1 ) ) ) {
129         filterSet->filterList.move( index, index + 1 );
130 
131         QListWidgetItem* item = filterListWidget->takeItem( index );
132         filterListWidget->insertItem( index + 1, item );
133         filterListWidget->setCurrentRow( index + 1 );
134     }
135 }
136 
137 void FiltersDialog::on_buttonBox_clicked( QAbstractButton* button )
138 {
139     LOG(logDEBUG) << "on_buttonBox_clicked()";
140 
141     QDialogButtonBox::ButtonRole role = buttonBox->buttonRole( button );
142     if (   ( role == QDialogButtonBox::AcceptRole )
143         || ( role == QDialogButtonBox::ApplyRole ) ) {
144         // Copy the filter set and persist it to disk
145         *( Persistent<FilterSet>( "filterSet" ) ) = *filterSet;
146         GetPersistentInfo().save( "filterSet" );
147         emit optionsChanged();
148     }
149 
150     if ( role == QDialogButtonBox::AcceptRole )
151         accept();
152     else if ( role == QDialogButtonBox::RejectRole )
153         reject();
154 }
155 
156 void FiltersDialog::updatePropertyFields()
157 {
158     if ( filterListWidget->selectedItems().count() >= 1 )
159         selectedRow_ = filterListWidget->row(
160                 filterListWidget->selectedItems().at(0) );
161     else
162         selectedRow_ = -1;
163 
164     LOG(logDEBUG) << "updatePropertyFields(), row = " << selectedRow_;
165 
166     if ( selectedRow_ >= 0 ) {
167         const Filter& currentFilter = filterSet->filterList.at( selectedRow_ );
168 
169         patternEdit->setText( currentFilter.pattern() );
170         patternEdit->setEnabled( true );
171 
172         ignoreCaseCheckBox->setChecked( currentFilter.ignoreCase() );
173         ignoreCaseCheckBox->setEnabled( true );
174 
175         int index = foreColorBox->findText( currentFilter.foreColorName() );
176         if ( index != -1 ) {
177             LOG(logDEBUG) << "fore index = " << index;
178             foreColorBox->setCurrentIndex( index );
179             foreColorBox->setEnabled( true );
180         }
181         index = backColorBox->findText( currentFilter.backColorName() );
182         if ( index != -1 ) {
183             LOG(logDEBUG) << "back index = " << index;
184             backColorBox->setCurrentIndex( index );
185             backColorBox->setEnabled( true );
186         }
187 
188         // Enable the buttons if needed
189         removeFilterButton->setEnabled( true );
190         upFilterButton->setEnabled( selectedRow_ > 0 );
191         downFilterButton->setEnabled(
192                 selectedRow_ < ( filterListWidget->count() - 1 ) );
193     }
194     else {
195         // Nothing is selected, greys the buttons
196         patternEdit->setEnabled( false );
197         foreColorBox->setEnabled( false );
198         backColorBox->setEnabled( false );
199         ignoreCaseCheckBox->setEnabled( false );
200         removeFilterButton->setEnabled( false );
201         upFilterButton->setEnabled( false );
202         downFilterButton->setEnabled( false );
203     }
204 }
205 
206 void FiltersDialog::updateFilterProperties()
207 {
208     LOG(logDEBUG) << "updateFilterProperties()";
209 
210     // If a row is selected
211     if ( selectedRow_ >= 0 ) {
212         Filter& currentFilter = filterSet->filterList[selectedRow_];
213 
214         // Update the internal data
215         currentFilter.setPattern( patternEdit->text() );
216         currentFilter.setIgnoreCase( ignoreCaseCheckBox->isChecked() );
217         currentFilter.setForeColor( foreColorBox->currentText() );
218         currentFilter.setBackColor( backColorBox->currentText() );
219 
220         // Update the entry in the filterList widget
221         filterListWidget->currentItem()->setText( patternEdit->text() );
222         filterListWidget->currentItem()->setForeground(
223                 QBrush( QColor( currentFilter.foreColorName() ) ) );
224         filterListWidget->currentItem()->setBackground(
225                 QBrush( QColor( currentFilter.backColorName() ) ) );
226     }
227 }
228 
229 //
230 // Private functions
231 //
232 
233 // Fills the color selection combo boxes
234 void FiltersDialog::populateColors()
235 {
236     const QStringList colorNames = QStringList()
237         // Basic 16 HTML colors (minus greys):
238         << "black"
239         << "white"
240         << "maroon"
241         << "red"
242         << "purple"
243         << "fuchsia"
244         << "green"
245         << "lime"
246         << "olive"
247         << "yellow"
248         << "navy"
249         << "blue"
250         << "teal"
251         << "aqua"
252         // Greys
253         << "gainsboro"
254         << "lightgrey"
255         << "silver"
256         << "darkgrey"
257         << "grey"
258         << "dimgrey"
259         // Reds
260         << "tomato"
261         << "orangered"
262         << "orange"
263         << "crimson"
264         << "darkred"
265         // Greens
266         << "greenyellow"
267         << "lightgreen"
268         << "darkgreen"
269         << "lightseagreen"
270         // Blues
271         << "lightcyan"
272         << "darkturquoise"
273         << "steelblue"
274         << "lightblue"
275         << "royalblue"
276         << "darkblue"
277         << "midnightblue"
278         // Browns
279         << "bisque"
280         << "tan"
281         << "sandybrown"
282         << "chocolate";
283 
284     for ( QStringList::const_iterator i = colorNames.constBegin();
285             i != colorNames.constEnd(); ++i ) {
286         QPixmap solidPixmap( 20, 10 );
287         solidPixmap.fill( QColor( *i ) );
288         QIcon solidIcon { solidPixmap };
289 
290         foreColorBox->addItem( solidIcon, *i );
291         backColorBox->addItem( solidIcon, *i );
292     }
293 }
294 
295 void FiltersDialog::populateFilterList()
296 {
297     filterListWidget->clear();
298     foreach ( Filter filter, filterSet->filterList ) {
299         QListWidgetItem* new_item = new QListWidgetItem( filter.pattern() );
300         // new_item->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled );
301         new_item->setForeground( QBrush( QColor( filter.foreColorName() ) ) );
302         new_item->setBackground( QBrush( QColor( filter.backColorName() ) ) );
303         filterListWidget->addItem( new_item );
304     }
305 }
306