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     connect(m_searchHistoryListView, SIGNAL(searchHistoryItemClicked(QString)),
  68             this, SIGNAL(searchHistoryItemClicked(QString)));
  69
  70     // --- SEARCH RESULTS LIST VIEW ---
  71     m_locationListView = new LocationListView(this);
  72     m_locationListView->setItemDelegate(new ExtendedListItemDelegate(this));
  73
  74     connect(m_locationListView,
  75             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)),
  76             this,
  77             SIGNAL(locationItemClicked(const GeoCoordinate&, const GeoCoordinate&)));
  78
  79     connect(m_locationListView, SIGNAL(listItemSelectionChanged()),
  80             this, SLOT(setRouteButtonDisabled()));
  81
  82     QVBoxLayout *resultsListViewLayout = new QVBoxLayout;
  83     resultsListViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  84                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  85     resultsListViewLayout->addWidget(m_searchHistoryListView);
  86     resultsListViewLayout->addWidget(m_locationListView);
  87
  88     // --- MAIN LAYOUT ---
  89     QVBoxLayout *panelLayout = new QVBoxLayout;
  90     panelLayout->setSpacing(0);
  91     setLayout(panelLayout);
  92
  93     const int MARGIN_LEFT = 0;
  94     panelLayout->setContentsMargins(MARGIN_LEFT, PANEL_MARGIN_TOP,
  95                                     PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  96
  97     panelLayout->addWidget(resultsHeaderWidget);
  98     panelLayout->addLayout(resultsListViewLayout);
  99
 100     // --- CONTEXT BUTTONS ---
 101     m_routeButton = new ImageButton(":res/images/compass.png", "", "", this);
 102     m_routeButton->setDisabled(true);
 103     connect(m_routeButton, SIGNAL(clicked()),
 104             this, SLOT(routeToSelectedLocation()));
 105
 106     ImageButton *searchLocationButton = new ImageButton(":/res/images/search.png",
 107                                                         ":/res/images/search_s.png", "", this);
 108
 109     connect(searchLocationButton, SIGNAL(clicked()),
 110             this, SIGNAL(requestSearchLocation()));
 111
 112     m_clearLocationListButton = new ImageButton(":/res/images/clear_btn.png",
 113                                                 ":/res/images/clear_btn_s.png",
 114                                                 ":/res/images/clear_btn_d.png", this);
 115     m_clearLocationListButton->setDisabled(true);
 116
 117     connect(m_clearLocationListButton, SIGNAL(clicked()),
 118             this, SLOT(showSearchHistoryList()));
 119
 120     m_contextButtonLayout->addWidget(m_routeButton);
 121     m_contextButtonLayout->addWidget(searchLocationButton);
 122     m_contextButtonLayout->addWidget(m_clearLocationListButton);
 123
 124     readSettings();
 125     showSearchHistoryList();
 126 }
 127
 128 LocationSearchPanel::~LocationSearchPanel()
 129 {
 130     qDebug() << __PRETTY_FUNCTION__;
 131
 132     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 133     QList<QVariant> searchHistories;
 134
 135     for (int i = 0; i < m_searchHistoryListView->count(); ++i) {
 136         SearchHistoryListItem *item = dynamic_cast<SearchHistoryListItem*>(
 137                 m_searchHistoryListView->listItemAt(i));
 138
 139         if (item) {
 140             QList<QString> searchHistory;
 141             searchHistory.append(item->title());
 142             searchHistory.append(item->dateTime().toString());
 143             searchHistories.append(QVariant(searchHistory));
 144         }
 145     }
 146
 147     settings.setValue(SETTINGS_SEARCH_HISTORY, searchHistories);
 148 }
 149
 150 void LocationSearchPanel::prependSearchHistory(QString searchString, QDateTime dateTime)
 151 {
 152     qDebug() << __PRETTY_FUNCTION__;
 153
 154     const int SEARCH_HISTORY_LIMIT = 10;
 155     static int counter = 0;
 156
 157     if (m_searchHistoryListView->count() >= SEARCH_HISTORY_LIMIT)
 158         m_searchHistoryListView->removeLastItem();
 159
 160     SearchHistoryListItem *item = new SearchHistoryListItem();
 161     item->setSearchHistoryData(searchString, dateTime);
 162     m_searchHistoryListView->prependListItem(QString::number(counter++), item);
 163 }
 164
 165 void LocationSearchPanel::clearListsSelections()
 166 {
 167     qDebug() << __PRETTY_FUNCTION__;
 168
 169     m_locationListView->clearItemSelection();
 170     m_searchHistoryListView->clearItemSelection();
 171
 172     setRouteButtonDisabled();
 173 }
 174
 175 void LocationSearchPanel::hideEvent(QHideEvent *event)
 176 {
 177     qDebug() << __PRETTY_FUNCTION__;
 178
 179     QWidget::hideEvent(event);
 180
 181     clearListsSelections();
 182 }
 183
 184 void LocationSearchPanel::populateLocationListView(const QList<Location> &locations)
 185 {
 186     qDebug() << __PRETTY_FUNCTION__;
 187
 188     m_searchHistoryListView->clearItemSelection();
 189     m_searchHistoryListView->hide();
 190     setHeaderText(locations.count());
 191     m_locationListView->clearList();
 192     m_clearLocationListButton->setEnabled(true);
 193     m_locationListView->show();
 194
 195     for (int i = 0; i < locations.size(); ++i) {
 196         LocationListItem *item = new LocationListItem();
 197         item->setLocationData(locations.at(i));
 198         m_locationListView->addListItem(QString::number(i), item);
 199     }
 200
 201     const int FIRST_LOCATION_ITEM_INDEX = 0;
 202     const int ONE_LOCATION_ITEM = 1;
 203
 204     if (locations.size() == ONE_LOCATION_ITEM) {
 205         ListItem *item = m_locationListView->listItemAt(FIRST_LOCATION_ITEM_INDEX);
 206
 207         if (item)
 208             m_locationListView->setSelectedItem(item);
 209     }
 210
 211     m_locationListView->scrollToTop();
 212 }
 213
 214 void LocationSearchPanel::readSettings()
 215 {
 216     qDebug() << __PRETTY_FUNCTION__;
 217
 218     const int SEARCH_HISTORY_LIST_ITEM_COUNT = 2;
 219
 220     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 221     QList<QVariant> searchHistories = settings.value(SETTINGS_SEARCH_HISTORY).toList();
 222
 223     //Read from end to begin so items are prepended in correct order
 224     for (int i = searchHistories.count() - 1; i >= 0; --i) {
 225         QList<QVariant> searchHistory = searchHistories.at(i).toList();
 226         if (searchHistory.count() == SEARCH_HISTORY_LIST_ITEM_COUNT) {
 227             prependSearchHistory(searchHistory.at(0).toString(),
 228                                  QDateTime::fromString(searchHistory.at(1).toString()));
 229         }
 230     }
 231 }
 232
 233 void LocationSearchPanel::routeToSelectedLocation()
 234 {
 235     qDebug() << __PRETTY_FUNCTION__;
 236
 237     LocationListItem *item = dynamic_cast<LocationListItem *>
 238                              (m_locationListView->selectedItem());
 239
 240     if (item)
 241         emit routeToLocation(item->coordinates());
 242 }
 243
 244 void LocationSearchPanel::setHeaderText(int count)
 245 {
 246     qDebug() << __PRETTY_FUNCTION__;
 247
 248     m_resultsLabel->setText(tr("Search results: %1").arg(count));
 249 }
 250
 251 void LocationSearchPanel::setRouteButtonDisabled()
 252 {
 253     qDebug() << __PRETTY_FUNCTION__;
 254
 255     m_routeButton->setDisabled(m_locationListView->selectedItems().isEmpty());
 256 }
 257
 258 void LocationSearchPanel::showSearchHistoryList()
 259 {
 260     qDebug() << __PRETTY_FUNCTION__;
 261
 262     m_locationListView->clearList();
 263     m_locationListView->hide();
 264     m_resultsLabel->setText(tr("Search history:"));
 265     m_clearLocationListButton->setDisabled(true);
 266     m_searchHistoryListView->show();
 267 }