src/search/dolphinsearchoptionsconfigurator.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphinsearchoptionsconfigurator.h"
  21
  22 #include "searchcriterionselector.h"
  23
  24 #include <kcombobox.h>
  25 #include <kdialog.h>
  26 #include <kicon.h>
  27 #include <klineedit.h>
  28 #include <klocale.h>
  29 #include <kseparator.h>
  30
  31 #include <QButtonGroup>
  32 #include <QHBoxLayout>
  33 #include <QLabel>
  34 #include <QPushButton>
  35 #include <QShowEvent>
  36 #include <QVBoxLayout>
  37
  38 #include <kdebug.h>
  39
  40 DolphinSearchOptionsConfigurator::DolphinSearchOptionsConfigurator(QWidget* parent) :
  41     QWidget(parent),
  42     m_initialized(false),
  43     m_searchFromBox(0),
  44     m_searchWhatBox(0),
  45     m_addSelectorButton(0),
  46     m_vBoxLayout(0),
  47     m_criterions()
  48 {
  49     m_vBoxLayout = new QVBoxLayout(this);
  50
  51     // add "search" configuration
  52     QLabel* searchLabel = new QLabel(i18nc("@label", "Search:"));
  53
  54     m_searchFromBox = new KComboBox(this);
  55     m_searchFromBox->addItem(i18nc("@label", "Everywhere"));
  56     m_searchFromBox->addItem(i18nc("@label", "From Here"));
  57
  58     // add "what" configuration
  59     QLabel* whatLabel = new QLabel(i18nc("@label", "What:"));
  60
  61     m_searchWhatBox = new KComboBox(this);
  62     m_searchWhatBox->addItem(i18nc("@label", "All"));
  63     m_searchWhatBox->addItem(i18nc("@label", "Images"));
  64     m_searchWhatBox->addItem(i18nc("@label", "Text"));
  65     m_searchWhatBox->addItem(i18nc("@label", "Filenames"));
  66
  67     // add button "Save"
  68     QPushButton* saveButton = new QPushButton(this);
  69     saveButton->setIcon(KIcon("document-save"));
  70     saveButton->setText(i18nc("@action:button", "Save"));
  71     saveButton->setToolTip(i18nc("@info", "Save search options"));
  72     connect(saveButton, SIGNAL(clicked()), this, SLOT(saveQuery()));
  73
  74     // add button "Close"
  75     QPushButton* closeButton = new QPushButton(this);
  76     closeButton->setIcon(KIcon("dialog-close"));
  77     closeButton->setText(i18nc("@action:button", "Close"));
  78     closeButton->setToolTip(i18nc("@info", "Close search options"));
  79     connect(closeButton, SIGNAL(clicked()), this, SLOT(hide()));
  80
  81     // add "Add selector" button
  82     m_addSelectorButton = new QPushButton(this);
  83     m_addSelectorButton->setIcon(KIcon("list-add"));
  84     m_addSelectorButton->setToolTip(i18nc("@info", "Add search option"));
  85     m_addSelectorButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
  86     connect(m_addSelectorButton, SIGNAL(clicked()), this, SLOT(slotAddSelectorButtonClicked()));
  87
  88     QHBoxLayout* firstLineLayout = new QHBoxLayout();
  89     firstLineLayout->addWidget(searchLabel);
  90     firstLineLayout->addWidget(m_searchFromBox);
  91     firstLineLayout->addWidget(whatLabel);
  92     firstLineLayout->addWidget(m_searchWhatBox);
  93     firstLineLayout->addWidget(new QWidget(this), 1); // filler
  94     firstLineLayout->addWidget(m_addSelectorButton);
  95
  96     QHBoxLayout* lastLineLayout = new QHBoxLayout();
  97     lastLineLayout->addWidget(new QWidget(this), 1); // filler
  98     lastLineLayout->addWidget(saveButton);
  99     lastLineLayout->addWidget(closeButton);
 100
 101     m_vBoxLayout->addWidget(new KSeparator(this));
 102     m_vBoxLayout->addLayout(firstLineLayout);
 103     m_vBoxLayout->addLayout(lastLineLayout);
 104     m_vBoxLayout->addWidget(new KSeparator(this));
 105 }
 106
 107 DolphinSearchOptionsConfigurator::~DolphinSearchOptionsConfigurator()
 108 {
 109 }
 110
 111 void DolphinSearchOptionsConfigurator::showEvent(QShowEvent* event)
 112 {
 113     if (!event->spontaneous() && !m_initialized) {
 114         // add default search criterions
 115         SearchCriterionSelector* dateCriterion = new SearchCriterionSelector(SearchCriterionSelector::Date, this);
 116         SearchCriterionSelector* sizeCriterion = new SearchCriterionSelector(SearchCriterionSelector::Size, this);
 117         SearchCriterionSelector* tagCriterion = new SearchCriterionSelector(SearchCriterionSelector::Tag, this);
 118
 119         // Add the items in the same order as available in the description combo (verified by Q_ASSERTs). This
 120         // is not mandatory from an implementation point of view, but preferable from a usability point of view.
 121         Q_ASSERT(static_cast<int>(SearchCriterionSelector::Date) == 0);
 122         Q_ASSERT(static_cast<int>(SearchCriterionSelector::Size) == 1);
 123         Q_ASSERT(static_cast<int>(SearchCriterionSelector::Tag) == 2);
 124         addCriterion(dateCriterion);
 125         addCriterion(sizeCriterion);
 126         addCriterion(tagCriterion);
 127
 128         m_initialized = true;
 129     }
 130     QWidget::showEvent(event);
 131 }
 132
 133 void DolphinSearchOptionsConfigurator::slotAddSelectorButtonClicked()
 134 {
 135     SearchCriterionSelector* selector = new SearchCriterionSelector(SearchCriterionSelector::Tag, this);
 136     addCriterion(selector);
 137 }
 138
 139 void DolphinSearchOptionsConfigurator::slotCriterionChanged()
 140 {
 141     QString searchOptions;
 142     foreach (const SearchCriterionSelector* criterion, m_criterions) {
 143         searchOptions += criterion->queryString() + ' ';
 144     }
 145     kDebug() << "Search option string:" << searchOptions;
 146     emit searchOptionsChanged(searchOptions);
 147 }
 148
 149 void DolphinSearchOptionsConfigurator::removeCriterion()
 150 {
 151     SearchCriterionSelector* criterion = qobject_cast<SearchCriterionSelector*>(sender());
 152     Q_ASSERT(criterion != 0);
 153     m_vBoxLayout->removeWidget(criterion);
 154
 155     const int index = m_criterions.indexOf(criterion);
 156     m_criterions.removeAt(index);
 157
 158     criterion->deleteLater();
 159
 160     updateSelectorButton();
 161 }
 162
 163 void DolphinSearchOptionsConfigurator::updateSelectorButton()
 164 {
 165     const int selectors = m_vBoxLayout->count() - 1;
 166     m_addSelectorButton->setEnabled(selectors < 10);
 167 }
 168
 169 void DolphinSearchOptionsConfigurator::saveQuery()
 170 {
 171     KDialog dialog(0, Qt::Dialog);
 172
 173     QWidget* container = new QWidget(&dialog);
 174
 175     QLabel* label = new QLabel(i18nc("@label", "Name:"), container);
 176     KLineEdit* lineEdit = new KLineEdit(container);
 177     lineEdit->setMinimumWidth(250);
 178
 179     QHBoxLayout* layout = new QHBoxLayout(container);
 180     layout->addWidget(label, Qt::AlignRight);
 181     layout->addWidget(lineEdit);
 182
 183     dialog.setMainWidget(container);
 184     dialog.setCaption(i18nc("@title:window", "Save Search Options"));
 185     dialog.setButtons(KDialog::Ok | KDialog::Cancel);
 186     dialog.setDefaultButton(KDialog::Ok);
 187     dialog.setButtonText(KDialog::Ok, i18nc("@action:button", "Save"));
 188
 189     KConfigGroup dialogConfig(KSharedConfig::openConfig("dolphinrc"),
 190                               "SaveSearchOptionsDialog");
 191     dialog.restoreDialogSize(dialogConfig);
 192     dialog.exec(); // TODO...
 193 }
 194
 195 void DolphinSearchOptionsConfigurator::addCriterion(SearchCriterionSelector* criterion)
 196 {
 197     connect(criterion, SIGNAL(removeCriterion()), this, SLOT(removeCriterion()));
 198     connect(criterion, SIGNAL(criterionChanged()), this, SLOT(slotCriterionChanged()));
 199
 200     // insert the new selector before the lastLineLayout and the KSeparator at the bottom
 201     const int index = m_vBoxLayout->count() - 2;
 202     m_vBoxLayout->insertWidget(index, criterion);
 203     updateSelectorButton();
 204
 205     m_criterions.append(criterion);
 206 }
 207
 208 #include "dolphinsearchoptionsconfigurator.moc"