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 <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     m_noSearchLabel = new QLabel();
  96     m_noSearchLabel->setText("No Search Results");
  97     m_noSearchLabel->setAlignment(Qt::AlignCenter);
  98
  99     QPalette m_noSearchPalette = palette();
 100     m_noSearchPalette.setColor(QPalette::Foreground, Qt::white);
 101     m_noSearchLabel->setPalette(m_noSearchPalette);
 102
 103     panelLayout->addWidget(resultsHeaderWidget);
 104     panelLayout->addWidget(m_noSearchLabel, Qt::AlignCenter);
 105     panelLayout->addLayout(resultsListViewLayout);
 106
 107     // --- CONTEXT BUTTONS ---
 108     m_routeButton = new ImageButton(":res/images/routing.png", "", "", this);
 109     connect(m_routeButton, SIGNAL(clicked()),
 110             this, SLOT(routeToSelectedLocation()));
 111
 112     ImageButton *searchLocationButton = new ImageButton(":/res/images/search.png",
 113                                                         ":/res/images/search_s.png", "", this);
 114
 115     connect(searchLocationButton, SIGNAL(clicked()),
 116             this, SIGNAL(requestSearchLocation()));
 117
 118     m_clearLocationListButton = new ImageButton(":/res/images/back_btn.png",
 119                                                 ":/res/images/back_btn_s.png",
 120                                                 ":/res/images/back_btn_d.png", this);
 121     m_clearLocationListButton->setDisabled(true);
 122
 123     connect(m_clearLocationListButton, SIGNAL(clicked()),
 124             this, SLOT(showSearchHistoryListView()));
 125
 126     m_itemButtonsLayout->addWidget(m_routeButton);
 127     m_genericButtonsLayout->addWidget(searchLocationButton);
 128     m_genericButtonsLayout->addWidget(m_clearLocationListButton);
 129
 130     readSettings();
 131     showSearchHistoryListView();
 132     showEmptyPanel(true);
 133 }
 134
 135 LocationSearchPanel::~LocationSearchPanel()
 136 {
 137     qDebug() << __PRETTY_FUNCTION__;
 138
 139     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 140     QList<QVariant> searchHistories;
 141
 142     for (int i = 0; i < m_searchHistoryListView->count(); ++i) {
 143         SearchHistoryListItem *item = dynamic_cast<SearchHistoryListItem*>(
 144                 m_searchHistoryListView->listItemAt(i));
 145
 146         if (item) {
 147             QList<QString> searchHistory;
 148             searchHistory.append(item->title());
 149             searchHistory.append(item->dateTime().toString());
 150             searchHistories.append(QVariant(searchHistory));
 151         }
 152     }
 153
 154     settings.setValue(SETTINGS_SEARCH_HISTORY, searchHistories);
 155 }
 156
 157 void LocationSearchPanel::prependSearchHistory(QString searchString, QDateTime dateTime)
 158 {
 159     qDebug() << __PRETTY_FUNCTION__;
 160
 161     const int SEARCH_HISTORY_LIMIT = 10;
 162     static int counter = 0;
 163
 164     if (m_searchHistoryListView->count() >= SEARCH_HISTORY_LIMIT)
 165         m_searchHistoryListView->removeLastItem();
 166
 167     SearchHistoryListItem *item = new SearchHistoryListItem();
 168     item->setSearchHistoryData(searchString, dateTime);
 169     m_searchHistoryListView->prependListItem(QString::number(counter++), item);
 170 }
 171
 172 void LocationSearchPanel::clearListsSelections()
 173 {
 174     qDebug() << __PRETTY_FUNCTION__;
 175
 176     m_locationListView->clearItemSelection();
 177     m_searchHistoryListView->clearItemSelection();
 178 }
 179
 180 void LocationSearchPanel::hideEvent(QHideEvent *event)
 181 {
 182     qDebug() << __PRETTY_FUNCTION__;
 183
 184     QWidget::hideEvent(event);
 185
 186     clearListsSelections();
 187 }
 188
 189 void LocationSearchPanel::populateLocationListView(const QList<Location> &locations)
 190 {
 191     qDebug() << __PRETTY_FUNCTION__;
 192
 193     m_locationListView->clearList();
 194     showLocationListView(locations.count());
 195
 196     for (int i = 0; i < locations.size(); ++i) {
 197         LocationListItem *item = new LocationListItem();
 198         item->setLocationData(locations.at(i));
 199         m_locationListView->addListItem(QString::number(i), item);
 200     }
 201
 202     m_locationListView->scrollToTop();
 203 }
 204
 205 void LocationSearchPanel::readSettings()
 206 {
 207     qDebug() << __PRETTY_FUNCTION__;
 208
 209     const int SEARCH_HISTORY_LIST_ITEM_COUNT = 2;
 210
 211     QSettings settings(DIRECTORY_NAME, FILE_NAME);
 212     QList<QVariant> searchHistories = settings.value(SETTINGS_SEARCH_HISTORY).toList();
 213
 214     //Read from end to begin so items are prepended in correct order
 215     for (int i = searchHistories.count() - 1; i >= 0; --i) {
 216         QList<QVariant> searchHistory = searchHistories.at(i).toList();
 217         if (searchHistory.count() == SEARCH_HISTORY_LIST_ITEM_COUNT) {
 218             prependSearchHistory(searchHistory.at(0).toString(),
 219                                  QDateTime::fromString(searchHistory.at(1).toString()));
 220         }
 221     }
 222 }
 223
 224 void LocationSearchPanel::routeToSelectedLocation()
 225 {
 226     qDebug() << __PRETTY_FUNCTION__;
 227
 228     LocationListItem *item = dynamic_cast<LocationListItem *>
 229                              (m_locationListView->selectedItem());
 230
 231     if (item)
 232         emit routeToLocation(item->coordinates());
 233 }
 234
 235 void LocationSearchPanel::showEmptyPanel(bool show)
 236 {
 237     if (show){
 238         m_noSearchLabel->show();
 239         m_searchHistoryListView->hide();
 240     }
 241     else {
 242         m_noSearchLabel->hide();
 243     }
 244 }
 245
 246 void LocationSearchPanel::setHeaderText(int count)
 247 {
 248     qDebug() << __PRETTY_FUNCTION__;
 249
 250     m_resultsLabel->setText(tr("Search results: %1").arg(count));
 251 }
 252
 253 void LocationSearchPanel::showLocationListView(int locationItemsCount)
 254 {
 255     qDebug() << __PRETTY_FUNCTION__;
 256
 257     m_searchHistoryListView->clearItemSelection();
 258     m_searchHistoryListView->hide();
 259     setHeaderText(locationItemsCount);
 260     m_clearLocationListButton->setEnabled(true);
 261     m_locationListView->show();
 262     showEmptyPanel(false);
 263 }
 264
 265 void LocationSearchPanel::showSearchHistoryListView()
 266 {
 267     qDebug() << __PRETTY_FUNCTION__;
 268
 269     m_locationListView->clearList();
 270     m_locationListView->hide();
 271     m_resultsLabel->setText(tr("Search history:"));
 272     m_clearLocationListButton->setDisabled(true);
 273     m_searchHistoryListView->show();
 274     showEmptyPanel(false);
 275 }