vcs.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 <QPair>
  24 #include <QSettings>
  25
  26 #include "avatarimage.h"
  27 #include "../common.h"
  28 #include "extendedlistitem.h"
  29 #include "extendedlistitemdelegate.h"
  30 #include "locationlistitem.h"
  31 #include "locationlistview.h"
  32 #include "imagebutton.h"
  33 #include "panelcommon.h"
  34 #include "routing/location.h"
  35 #include "searchhistorylistitem.h"
  36 #include "searchhistorylistview.h"
  37
  38 #include "locationsearchpanel.h"
  39
  40 const QString SETTINGS_SEARCH_HISTORY = "SEARCH_HISTORY";
  41
  42 LocationSearchPanel::LocationSearchPanel(QWidget *parent)
  43     : PanelBase(parent)
  44 {
  45     qDebug() << __PRETTY_FUNCTION__;
  46
  47     // --- HEADER WIDGET ---
  48     QWidget *resultsHeaderWidget = new QWidget();
  49     resultsHeaderWidget->setAutoFillBackground(true);
  50     QPalette labelPalette = resultsHeaderWidget->palette();
  51     labelPalette.setColor(QPalette::Background, Qt::black);
  52     resultsHeaderWidget->setPalette(labelPalette);
  53
  54     QHBoxLayout *headerLayout = new QHBoxLayout();
  55     resultsHeaderWidget->setLayout(headerLayout);
  56     headerLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  57                                      PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  58
  59     m_resultsLabel = new QLabel(this);
  60     headerLayout->addWidget(m_resultsLabel, 0, Qt::AlignCenter);
  61     setHeaderText(0);
  62
  63     // --- SEARCH HISTORY LIST VIEW ---
  64     m_searchHistoryListView = new SearchHistoryListView(this);
  65     m_searchHistoryListView->setItemDelegate(new ExtendedListItemDelegate(this));
  66
  67     // --- SEARCH RESULTS LIST VIEW ---
  68     m_locationListView = new LocationListView(this);
  69     m_locationListView->setItemDelegate(new ExtendedListItemDelegate(this));
  70
  71     connect(m_locationListView,
  72             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
  73             this,
  74             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)));
  75
  76     connect(m_locationListView, SIGNAL(listItemSelectionChanged()),
  77             this, SLOT(setRouteButtonDisabled()));
  78
  79     QVBoxLayout *resultsListViewLayout = new QVBoxLayout;
  80     resultsListViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  81                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  82     resultsListViewLayout->addWidget(m_searchHistoryListView);
  83     resultsListViewLayout->addWidget(m_locationListView);
  84
  85     // --- MAIN LAYOUT ---
  86     QVBoxLayout *panelLayout = new QVBoxLayout;
  87     panelLayout->setSpacing(0);
  88     setLayout(panelLayout);
  89
  90     const int MARGIN_LEFT = 0;
  91     panelLayout->setContentsMargins(MARGIN_LEFT, PANEL_MARGIN_TOP,
  92                                     PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  93
  94     panelLayout->addWidget(resultsHeaderWidget);
  95     panelLayout->addLayout(resultsListViewLayout);
  96
  97     // --- CONTEXT BUTTONS ---
  98     m_routeButton = new ImageButton(":res/images/compass.png", "", "", this);
  99     m_routeButton->setDisabled(true);
 100     connect(m_routeButton, SIGNAL(clicked()),
 101             this, SLOT(routeToSelectedLocation()));
 102
 103     ImageButton *searchLocationButton = new ImageButton(":/res/images/search.png",
 104                                                         ":/res/images/search_s.png", "", this);
 105
 106     connect(searchLocationButton, SIGNAL(clicked()),
 107             this, SIGNAL(requestSearchLocation()));
 108
 109     m_clearLocationListButton = new ImageButton(":/res/images/clear_btn.png",
 110                                                 ":/res/images/clear_btn_s.png",
 111                                                 ":/res/images/clear_btn_d.png", this);
 112     m_clearLocationListButton->setDisabled(true);
 113
 114     connect(m_clearLocationListButton, SIGNAL(clicked()),
 115             this, SLOT(showSearchHistoryList()));
 116
 117     m_contextButtonLayout->addWidget(m_routeButton);
 118     m_contextButtonLayout->addWidget(searchLocationButton);
 119     m_contextButtonLayout->addWidget(m_clearLocationListButton);
 120
 121     readSettings();
 122     showSearchHistoryList();
 123 }
 124
 125 LocationSearchPanel::~LocationSearchPanel()
 126 {
 127     qDebug() << __PRETTY_FUNCTION__;
 128
 129     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 130     QList<QVariant> searchHistories;
 131
 132     for (int i = 0; i < m_searchHistoryListView->count(); ++i) {
 133         SearchHistoryListItem *item = dynamic_cast<SearchHistoryListItem*>(
 134                 m_searchHistoryListView->listItemAt(i));
 135
 136         if (item) {
 137             QList<QVariant> searchHistory;
 138             searchHistory.append(item->title());
 139             searchHistory.append(item->dateTime().toString());
 140             searchHistories.append(searchHistory);
 141         }
 142     }
 143
 144     settings.setValue(SETTINGS_SEARCH_HISTORY, searchHistories);
 145 }
 146
 147 void LocationSearchPanel::appendSearchHistory(QString searchString, QDateTime currentDateTime)
 148 {
 149     qDebug() << __PRETTY_FUNCTION__;
 150
 151     if (m_searchHistoryListView->count() >= 10)
 152         m_searchHistoryListView->removeLastItem();
 153
 154     SearchHistoryListItem *item = new SearchHistoryListItem();
 155     item->setSearchHistoryData(searchString, currentDateTime);
 156     m_searchHistoryListView->prependListItem(searchString, item);
 157 }
 158
 159 void LocationSearchPanel::clearListsSelections()
 160 {
 161     qDebug() << __PRETTY_FUNCTION__;
 162
 163     m_locationListView->clearItemSelection();
 164
 165     setRouteButtonDisabled();
 166 }
 167
 168 void LocationSearchPanel::hideEvent(QHideEvent *event)
 169 {
 170     qDebug() << __PRETTY_FUNCTION__;
 171
 172     QWidget::hideEvent(event);
 173
 174     clearListsSelections();
 175 }
 176
 177 void LocationSearchPanel::populateLocationListView(const QList<Location> &locations)
 178 {
 179     qDebug() << __PRETTY_FUNCTION__;
 180
 181     m_searchHistoryListView->hide();
 182     setHeaderText(locations.count());
 183     m_locationListView->clearList();
 184
 185     for (int i = 0; i < locations.size(); ++i) {
 186         LocationListItem *item = new LocationListItem();
 187         item->setLocationData(locations.at(i));
 188         m_locationListView->addListItem(QString::number(i), item);
 189     }
 190
 191     const int FIRST_LOCATION_ITEM_INDEX = 0;
 192     const int ONE_LOCATION_ITEM = 1;
 193
 194     if (locations.size() == ONE_LOCATION_ITEM) {
 195         ListItem *item = m_locationListView->listItemAt(FIRST_LOCATION_ITEM_INDEX);
 196
 197         if (item)
 198             m_locationListView->setSelectedItem(item);
 199     }
 200
 201     m_locationListView->scrollToTop();
 202     m_clearLocationListButton->setEnabled(true);
 203     m_locationListView->show();
 204 }
 205
 206 void LocationSearchPanel::readSettings()
 207 {
 208     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 209
 210     QList<QVariant> searchHistories = settings.value(
 211             SETTINGS_SEARCH_HISTORY).toList();
 212
 213     for (int i = 0; i < searchHistories.count(); ++i) {
 214         QList<QVariant> searchHistory = searchHistories.at(i).toList();
 215         appendSearchHistory(searchHistory.at(0).toString(),
 216                             QDateTime::fromString(searchHistory.at(1).toString()));
 217     }
 218 }
 219
 220 void LocationSearchPanel::routeToSelectedLocation()
 221 {
 222     qDebug() << __PRETTY_FUNCTION__;
 223
 224     LocationListItem *item = dynamic_cast<LocationListItem *>
 225                              (m_locationListView->selectedItem());
 226
 227     if (item)
 228         emit routeToLocation(item->coordinates());
 229 }
 230
 231 void LocationSearchPanel::setHeaderText(int count)
 232 {
 233     qDebug() << __PRETTY_FUNCTION__;
 234
 235     m_resultsLabel->setText(tr("Search results: %1").arg(count));
 236 }
 237
 238 void LocationSearchPanel::setRouteButtonDisabled()
 239 {
 240     qDebug() << __PRETTY_FUNCTION__;
 241
 242     m_routeButton->setDisabled(m_locationListView->selectedItems().isEmpty());
 243 }
 244
 245 void LocationSearchPanel::showSearchHistoryList()
 246 {
 247     qDebug() << __PRETTY_FUNCTION__;
 248
 249     m_locationListView->clearList();
 250     m_locationListView->hide();
 251     m_resultsLabel->setText(tr("Search history:"));
 252     m_clearLocationListButton->setDisabled(true);
 253     m_searchHistoryListView->show();
 254 }