git.maemo.org Git - situare/blob - src/ui/locationsearchpanel.cpp

   1 /*
   2     Situare - A location system for Facebook
   3     Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5         Jussi Laitinen - jussi.laitinen@ixonos.com
   6         Sami Rämö - sami.ramo@ixonos.com
   7
   8     Situare is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     version 2 as published by the Free Software Foundation.
  11
  12     Situare is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with Situare; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  20     USA.
  21 */
  22
  23 #include <QSettings>
  24
  25 #include "avatarimage.h"
  26 #include "../common.h"
  27 #include "extendedlistitem.h"
  28 #include "extendedlistitemdelegate.h"
  29 #include "locationlistitem.h"
  30 #include "locationlistview.h"
  31 #include "imagebutton.h"
  32 #include "panelcommon.h"
  33 #include "routing/location.h"
  34 #include "searchhistorylistitem.h"
  35 #include "searchhistorylistview.h"
  36
  37 #include "locationsearchpanel.h"
  38
  39 const QString SETTINGS_SEARCH_HISTORY = "SEARCH_HISTORY";
  40
  41 LocationSearchPanel::LocationSearchPanel(QWidget *parent)
  42     : PanelBase(parent)
  43 {
  44     qDebug() << __PRETTY_FUNCTION__;
  45
  46     // --- HEADER WIDGET ---
  47     QWidget *resultsHeaderWidget = new QWidget();
  48     resultsHeaderWidget->setAutoFillBackground(true);
  49     QPalette labelPalette = resultsHeaderWidget->palette();
  50     labelPalette.setColor(QPalette::Background, Qt::black);
  51     resultsHeaderWidget->setPalette(labelPalette);
  52
  53     QHBoxLayout *headerLayout = new QHBoxLayout();
  54     resultsHeaderWidget->setLayout(headerLayout);
  55     headerLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  56                                      PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  57
  58     m_resultsLabel = new QLabel(this);
  59     headerLayout->addWidget(m_resultsLabel, 0, Qt::AlignCenter);
  60     setHeaderText(0);
  61
  62     // --- SEARCH HISTORY LIST VIEW ---
  63     m_searchHistoryListView = new SearchHistoryListView(this);
  64     m_searchHistoryListView->setItemDelegate(new ExtendedListItemDelegate(this));
  65
  66     connect(m_searchHistoryListView, SIGNAL(searchHistoryItemClicked(QString)),
  67             this, SIGNAL(searchHistoryItemClicked(QString)));
  68
  69     // --- SEARCH RESULTS LIST VIEW ---
  70     m_locationListView = new LocationListView(this);
  71     m_locationListView->setItemDelegate(new ExtendedListItemDelegate(this));
  72
  73     connect(m_locationListView,
  74             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
  75             this,
  76             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)));
  77
  78     connect(m_locationListView, SIGNAL(listItemSelectionChanged()),
  79             this, SLOT(onListItemSelectionChanged()));
  80
  81     QVBoxLayout *resultsListViewLayout = new QVBoxLayout;
  82     resultsListViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  83                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  84     resultsListViewLayout->addWidget(m_searchHistoryListView);
  85     resultsListViewLayout->addWidget(m_locationListView);
  86
  87     // --- MAIN LAYOUT ---
  88     QVBoxLayout *panelLayout = new QVBoxLayout;
  89     panelLayout->setSpacing(0);
  90     setLayout(panelLayout);
  91
  92     const int MARGIN_LEFT = 0;
  93     panelLayout->setContentsMargins(MARGIN_LEFT, PANEL_MARGIN_TOP,
  94                                     PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  95
  96     panelLayout->addWidget(resultsHeaderWidget);
  97     panelLayout->addLayout(resultsListViewLayout);
  98
  99     // --- CONTEXT BUTTONS ---
 100     m_routeButton = new ImageButton(":res/images/routing.png", "", "", this);
 101     connect(m_routeButton, SIGNAL(clicked()),
 102             this, SLOT(routeToSelectedLocation()));
 103
 104     ImageButton *searchLocationButton = new ImageButton(":/res/images/search.png",
 105                                                         ":/res/images/search_s.png", "", this);
 106
 107     connect(searchLocationButton, SIGNAL(clicked()),
 108             this, SIGNAL(requestSearchLocation()));
 109
 110     m_clearLocationListButton = new ImageButton(":/res/images/back_btn.png",
 111                                                 ":/res/images/back_btn_s.png",
 112                                                 ":/res/images/back_btn_d.png", this);
 113     m_clearLocationListButton->setDisabled(true);
 114
 115     connect(m_clearLocationListButton, SIGNAL(clicked()),
 116             this, SLOT(showSearchHistoryListView()));
 117
 118     m_itemButtonsLayout->addWidget(m_routeButton);
 119     m_genericButtonsLayout->addWidget(searchLocationButton);
 120     m_genericButtonsLayout->addWidget(m_clearLocationListButton);
 121
 122     readSettings();
 123     showSearchHistoryListView();
 124 }
 125
 126 LocationSearchPanel::~LocationSearchPanel()
 127 {
 128     qDebug() << __PRETTY_FUNCTION__;
 129
 130     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 131     QList<QVariant> searchHistories;
 132
 133     for (int i = 0; i < m_searchHistoryListView->count(); ++i) {
 134         SearchHistoryListItem *item = dynamic_cast<SearchHistoryListItem*>(
 135                 m_searchHistoryListView->listItemAt(i));
 136
 137         if (item) {
 138             QList<QString> searchHistory;
 139             searchHistory.append(item->title());
 140             searchHistory.append(item->dateTime().toString());
 141             searchHistories.append(QVariant(searchHistory));
 142         }
 143     }
 144
 145     settings.setValue(SETTINGS_SEARCH_HISTORY, searchHistories);
 146 }
 147
 148 void LocationSearchPanel::prependSearchHistory(QString searchString, QDateTime dateTime)
 149 {
 150     qDebug() << __PRETTY_FUNCTION__;
 151
 152     const int SEARCH_HISTORY_LIMIT = 10;
 153     static int counter = 0;
 154
 155     if (m_searchHistoryListView->count() >= SEARCH_HISTORY_LIMIT)
 156         m_searchHistoryListView->removeLastItem();
 157
 158     SearchHistoryListItem *item = new SearchHistoryListItem();
 159     item->setSearchHistoryData(searchString, dateTime);
 160     m_searchHistoryListView->prependListItem(QString::number(counter++), item);
 161 }
 162
 163 void LocationSearchPanel::clearListsSelections()
 164 {
 165     qDebug() << __PRETTY_FUNCTION__;
 166
 167     m_locationListView->clearItemSelection();
 168     m_searchHistoryListView->clearItemSelection();
 169 }
 170
 171 void LocationSearchPanel::hideEvent(QHideEvent *event)
 172 {
 173     qDebug() << __PRETTY_FUNCTION__;
 174
 175     QWidget::hideEvent(event);
 176
 177     clearListsSelections();
 178 }
 179
 180 void LocationSearchPanel::populateLocationListView(const QList<Location> &locations)
 181 {
 182     qDebug() << __PRETTY_FUNCTION__;
 183
 184     m_locationListView->clearList();
 185     showLocationListView(locations.count());
 186
 187     for (int i = 0; i < locations.size(); ++i) {
 188         LocationListItem *item = new LocationListItem();
 189         item->setLocationData(locations.at(i));
 190         m_locationListView->addListItem(QString::number(i), item);
 191     }
 192
 193     m_locationListView->scrollToTop();
 194 }
 195
 196 void LocationSearchPanel::readSettings()
 197 {
 198     qDebug() << __PRETTY_FUNCTION__;
 199
 200     const int SEARCH_HISTORY_LIST_ITEM_COUNT = 2;
 201
 202     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 203     QList<QVariant> searchHistories = settings.value(SETTINGS_SEARCH_HISTORY).toList();
 204
 205     //Read from end to begin so items are prepended in correct order
 206     for (int i = searchHistories.count() - 1; i >= 0; --i) {
 207         QList<QVariant> searchHistory = searchHistories.at(i).toList();
 208         if (searchHistory.count() == SEARCH_HISTORY_LIST_ITEM_COUNT) {
 209             prependSearchHistory(searchHistory.at(0).toString(),
 210                                  QDateTime::fromString(searchHistory.at(1).toString()));
 211         }
 212     }
 213 }
 214
 215 void LocationSearchPanel::routeToSelectedLocation()
 216 {
 217     qDebug() << __PRETTY_FUNCTION__;
 218
 219     LocationListItem *item = dynamic_cast<LocationListItem *>
 220                              (m_locationListView->selectedItem());
 221
 222     if (item)
 223         emit routeToLocation(item->coordinates());
 224 }
 225
 226 void LocationSearchPanel::setHeaderText(int count)
 227 {
 228     qDebug() << __PRETTY_FUNCTION__;
 229
 230     m_resultsLabel->setText(tr("Search results: %1").arg(count));
 231 }
 232
 233 void LocationSearchPanel::showLocationListView(int locationItemsCount)
 234 {
 235     qDebug() << __PRETTY_FUNCTION__;
 236
 237     m_searchHistoryListView->clearItemSelection();
 238     m_searchHistoryListView->hide();
 239     setHeaderText(locationItemsCount);
 240     m_clearLocationListButton->setEnabled(true);
 241     m_locationListView->show();
 242 }
 243
 244 void LocationSearchPanel::showSearchHistoryListView()
 245 {
 246     qDebug() << __PRETTY_FUNCTION__;
 247
 248     m_locationListView->clearList();
 249     m_locationListView->hide();
 250     m_resultsLabel->setText(tr("Search history:"));
 251     m_clearLocationListButton->setDisabled(true);
 252     m_searchHistoryListView->show();
 253 }