Fixed some focus and activation bugs
[mdictionary] / src / mdictionary / gui / DictManagerWidget.cpp
1 /*******************************************************************************
2
3     This file is part of mDictionary.
4
5     mDictionary 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 3 of the License, or
8     (at your option) any later version.
9
10     mDictionary 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
16     along with mDictionary.  If not, see <http://www.gnu.org/licenses/>.
17
18     Copyright 2010 Comarch S.A.
19
20 *******************************************************************************/
21
22 //! \file DictManagerWidget.cpp
23 //! \brief Dictionaries management widget
24 //! \author Mateusz Półrola <mateusz.polrola@comarch.pl>
25
26 #include "DictManagerWidget.h"
27 #include "DictTypeSelectDialog.h"
28 #include <QDebug>
29 #include "../../include/DictDialog.h"
30 #include "MenuWidget.h"
31
32 DictManagerWidget::DictManagerWidget(GUIInterface *parent) :
33     QDialog(parent) {
34     setWindowTitle(tr("Dictionaries"));
35     this->guiInterface = parent;
36
37     initalizeUI();
38
39     setModal(true);
40 }
41
42 void DictManagerWidget::initalizeUI() {
43     verticalLayout = new QVBoxLayout;
44     setLayout(verticalLayout);
45
46     dictList = new QListWidget;
47     verticalLayout->addWidget(dictList);
48
49     dictList->setSelectionMode(QAbstractItemView::SingleSelection);
50     dictList->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
51
52     addNewDictButton = new QPushButton(tr("Add"));
53     removeDictButton = new QPushButton(tr("Remove"));
54     settingsButton = new QPushButton(tr("Settings"));
55
56     removeDictButton->setEnabled(false);
57     settingsButton->setEnabled(false);
58
59     buttonGroup = new QHBoxLayout;
60
61     buttonGroup->addWidget(addNewDictButton);
62     buttonGroup->addWidget(removeDictButton);
63     buttonGroup->addWidget(settingsButton);
64
65     verticalLayout->addLayout(buttonGroup, Qt::AlignBottom);
66
67
68     connect(addNewDictButton, SIGNAL(clicked()),
69             this, SLOT(saveChanges()));
70     connect(addNewDictButton, SIGNAL(clicked()),
71             this, SLOT(addNewDictButtonClicked()));
72
73     connect(removeDictButton, SIGNAL(clicked()),
74             this, SLOT(saveChanges()));
75     connect(removeDictButton, SIGNAL(clicked()),
76             this, SLOT(removeButtonClicked()));
77
78     connect(settingsButton, SIGNAL(clicked()),
79             this, SLOT(saveChanges()));
80     connect(settingsButton, SIGNAL(clicked()),
81             this, SLOT(settingsButtonClicked()));
82
83     connect(dictList, SIGNAL(itemClicked(QListWidgetItem*)),
84             this, SLOT(itemSelected(QListWidgetItem*)));
85
86     connect(dictList, SIGNAL(itemChanged(QListWidgetItem*)),
87             this, SLOT(changed()));
88
89     #ifndef Q_WS_MAEMO_5
90         connect(dictList, SIGNAL(itemActivated(QListWidgetItem*)),
91                 this, SLOT(saveChanges()));
92         connect(dictList, SIGNAL(itemActivated(QListWidgetItem*)),
93                 this, SLOT(itemSelected(QListWidgetItem*)));
94         connect(dictList, SIGNAL(itemActivated(QListWidgetItem*)),
95                 settingsButton, SIGNAL(clicked()));
96     #endif
97
98     refreshDictsList();
99
100     #ifndef Q_WS_MAEMO_5
101         setMinimumSize(500,300);
102         closeButton = new QPushButton(tr("Save"));
103         buttonGroup->addWidget(closeButton);
104
105         setMinimumWidth(sizeHint().width()*1.2);
106         setMaximumWidth(sizeHint().width()*2);
107         setMinimumHeight(sizeHint().height());
108         setMaximumHeight(sizeHint().height()*2);
109         connect(closeButton, SIGNAL(clicked()), this, SLOT(save()));
110     #endif
111 }
112
113
114 void DictManagerWidget::refreshDictsList() {
115
116     dictList->clear();
117     dictsHash.clear();
118     removeDictButton->setEnabled(false);
119     settingsButton->setEnabled(false);
120
121     QHash<CommonDictInterface*, bool> dicts = guiInterface->getDictionaries();
122
123     QHashIterator<CommonDictInterface*, bool> i(dicts);
124
125     while(i.hasNext()) {
126         i.next();
127         QListWidgetItem* item = new QListWidgetItem();
128         QString name = i.key()->langFrom() + " - " + i.key()->langTo() + " (" +
129                        i.key()->type() + " " + i.key()->name() + ")";
130         item->setText(name);
131         item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
132         if(i.value()) {
133             item->setCheckState(Qt::Checked);
134         }
135         else {
136             item->setCheckState(Qt::Unchecked);
137         }
138         item->setIcon(*i.key()->icon());
139
140         dictList->addItem(item);
141         dictsHash.insert(item, i.key());
142     }
143
144     dictList->sortItems();
145 }
146
147 void DictManagerWidget::showEvent(QShowEvent *e) {
148     _changed = false;
149     #ifndef Q_WS_MAEMO_5
150       _save = false;
151     #endif
152     refreshDictsList();
153     QWidget::showEvent(e);
154 }
155
156 void DictManagerWidget::saveChanges() {
157
158     #ifndef Q_WS_MAEMO_5
159         if(_save) {
160     #else
161         if(_changed &&
162                 QMessageBox::question(this, tr("Save"),
163                                       tr("Do you want to save changes?"),
164                 QMessageBox::Save, QMessageBox::Cancel) == QMessageBox::Save) {
165     #endif
166         QList<CommonDictInterface*> checkedDicts;
167
168         for(int i=0; i<dictList->count(); i++) {
169             QListWidgetItem* item = dictList->item(i);
170             if(item->checkState() == Qt::Checked) {
171                 checkedDicts.push_back(dictsHash[item]);
172             }
173         }
174         _changed = false;
175         emit selectedDictionaries(checkedDicts);
176     }
177 }
178
179 void DictManagerWidget::hideEvent(QHideEvent *e) {
180     saveChanges();
181     QWidget::hideEvent(e);
182 }
183
184
185 void DictManagerWidget::addNewDictButtonClicked() {
186     #ifndef Q_WS_MAEMO_5
187     if(!_changed || QMessageBox::question(this,
188             tr("Save"), tr("Do you want to save changes?"),
189             QMessageBox::Save, QMessageBox::Cancel) == QMessageBox::Save) {
190         _save = true;
191         saveChanges();
192         _save = false;
193     }
194     #endif
195
196    CommonDictInterface* selectedPlugin =
197            DictTypeSelectDialog::addNewDict(guiInterface->getPlugins(),this);
198    if(selectedPlugin) {
199        Settings* settings =
200                selectedPlugin->dictDialog()->addNewDictionary(this->parentWidget());
201
202        if(settings) {
203            CommonDictInterface* newDict = selectedPlugin->getNew(settings);
204            if(newDict) {
205                delete settings;
206                Q_EMIT addDictionary(newDict);
207            }
208        }
209    }
210    refreshDictsList();
211 }
212
213 void DictManagerWidget::itemSelected(QListWidgetItem *) {
214     removeDictButton->setEnabled(true);
215     settingsButton->setEnabled(true);
216     dictList->setFocus();
217 }
218
219 void DictManagerWidget::removeButtonClicked() {
220     if(QMessageBox::question(this, tr("Remove dictionary"),
221             tr("Do you want to remove selected dictionary?"),
222             QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes) {
223
224         QList<QListWidgetItem*> selected = dictList->selectedItems();
225         if(selected.count() > 0) {
226             emit removeDictionary(dictsHash[selected[0]]);
227             refreshDictsList();
228         }
229    }
230 }
231
232 void DictManagerWidget::settingsButtonClicked() {
233     #ifndef Q_WS_MAEMO_5
234     if(!_changed || QMessageBox::question(this,
235             tr("Save"), tr("Do you want to save changes?"),
236             QMessageBox::Save, QMessageBox::Cancel) == QMessageBox::Save) {
237         _save = true;
238         saveChanges();
239         _save = false;
240     }
241     #endif
242    QList<QListWidgetItem*> selected = dictList->selectedItems();
243    if(selected.count() > 0) {
244        dictsHash[selected[0]]->dictDialog()->changeSettings(this->parentWidget());
245    }
246    refreshDictsList();
247 }
248
249
250 void DictManagerWidget::changed() {
251     _changed=true;
252 }
253
254
255 #ifndef Q_WS_MAEMO_5
256     void DictManagerWidget::save() {
257         _save = true;
258         hide();
259     }
260 #endif
261
262
263 void DictManagerWidget::keyPressEvent(QKeyEvent *e) {
264     if (!e->modifiers() || (e->modifiers() & Qt::KeypadModifier && e->key() == Qt::Key_Enter)) {
265         switch (e->key()) {
266             case Qt::Key_Escape:
267                reject();
268                break;
269             default:
270                e->ignore();
271                return;
272         }
273     } else {
274         e->ignore();
275     }
276 }