ground/gcs/src/plugins/coreplugin/uavgadgetdecorator.cpp

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       uavgadgetdecorator.cpp
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  * @addtogroup GCSPlugins GCS Plugins
   7  * @{
   8  * @addtogroup CorePlugin Core Plugin
   9  * @{
  10  * @brief The Core GCS plugin
  11  *****************************************************************************/
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21  * for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  */
  27
  28 #include "uavgadgetdecorator.h"
  29
  30 #include "iuavgadgetconfiguration.h"
  31
  32 #include <QComboBox>
  33 #include <QDebug>
  34
  35 using namespace Core;
  36
  37 UAVGadgetDecorator::UAVGadgetDecorator(IUAVGadget *gadget, QList<IUAVGadgetConfiguration *> *configurations) :
  38     IUAVGadget(gadget->classId(), gadget->parent()),
  39     m_gadget(gadget),
  40     m_toolbar(new QComboBox),
  41     m_activeConfiguration(0),
  42     m_configurations(configurations)
  43 {
  44     m_gadget->setParent(this);
  45     m_toolbar->setMinimumContentsLength(15);
  46     foreach(IUAVGadgetConfiguration * config, *m_configurations)
  47     m_toolbar->addItem(config->name());
  48     connect(m_toolbar, SIGNAL(activated(int)), this, SLOT(loadConfiguration(int)));
  49     updateToolbar();
  50 }
  51
  52 UAVGadgetDecorator::~UAVGadgetDecorator()
  53 {
  54     delete m_configurations;
  55     delete m_toolbar;
  56 }
  57
  58 void UAVGadgetDecorator::loadConfiguration(int index)
  59 {
  60     IUAVGadgetConfiguration *config = m_configurations->at(index);
  61
  62     loadConfiguration(config);
  63 }
  64
  65 void UAVGadgetDecorator::loadConfiguration(IUAVGadgetConfiguration *config)
  66 {
  67     if (m_activeConfiguration == config) {
  68         return;
  69     }
  70     m_activeConfiguration = config;
  71     int index = m_toolbar->findText(config->name());
  72     if (m_toolbar->currentIndex() != index) {
  73         m_toolbar->setCurrentIndex(index);
  74     }
  75     m_gadget->loadConfiguration(config);
  76 }
  77
  78 void UAVGadgetDecorator::configurationChanged(IUAVGadgetConfiguration *config)
  79 {
  80     if (config == m_activeConfiguration) {
  81         // force a configuration reload
  82         m_activeConfiguration = NULL;
  83         loadConfiguration(config);
  84     }
  85 }
  86
  87 void UAVGadgetDecorator::configurationAdded(IUAVGadgetConfiguration *config)
  88 {
  89     if (config->classId() != classId()) {
  90         return;
  91     }
  92     m_configurations->append(config);
  93     m_toolbar->addItem(config->name());
  94     updateToolbar();
  95 }
  96
  97 void UAVGadgetDecorator::configurationToBeDeleted(IUAVGadgetConfiguration *config)
  98 {
  99     if (config->classId() != classId()) {
 100         return;
 101     }
 102     int index = m_configurations->indexOf(config);
 103     if (index >= 0) {
 104         m_toolbar->removeItem(index);
 105         m_configurations->removeAt(index);
 106     }
 107     updateToolbar();
 108 }
 109
 110 void UAVGadgetDecorator::configurationNameChanged(IUAVGadgetConfiguration *config, QString oldName, QString newName)
 111 {
 112     if (config->classId() != classId()) {
 113         return;
 114     }
 115     for (int i = 0; i < m_toolbar->count(); ++i) {
 116         if (m_toolbar->itemText(i) == oldName) {
 117             m_toolbar->setItemText(i, newName);
 118         }
 119     }
 120 }
 121
 122 void UAVGadgetDecorator::updateToolbar()
 123 {
 124     m_toolbar->setEnabled(m_toolbar->count() > 1);
 125 }
 126
 127 void UAVGadgetDecorator::saveState(QSettings &settings) const
 128 {
 129     if (m_activeConfiguration) {
 130         settings.setValue("activeConfiguration", m_activeConfiguration->name());
 131     }
 132     // save gadget individual state
 133     settings.beginGroup("state");
 134     m_gadget->saveState(settings);
 135     settings.endGroup();
 136 }
 137
 138 void UAVGadgetDecorator::restoreState(QSettings &settings)
 139 {
 140     QString configName = settings.value("activeConfiguration").toString();
 141
 142     foreach(IUAVGadgetConfiguration * config, *m_configurations) {
 143         if (config->name() == configName) {
 144             loadConfiguration(config);
 145             break;
 146         }
 147     }
 148     // restore gadget individual state
 149     settings.beginGroup("state");
 150     m_gadget->restoreState(settings);
 151     settings.endGroup();
 152 }