src/kernel/options.cpp

   1 #include <QtGui/QDialog>
   2 #include <libconfig.h>
   3
   4 #include "vlp/config.h"
   5 #include "options.h"
   6
   7 namespace loglan {
   8 namespace vlp {
   9
  10 OptionsDialog::OptionsDialog(QString configFilePath, QWidget * parent)
  11         : QDialog(parent)
  12 {
  13         setupUi(this);
  14
  15         connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
  16         connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
  17
  18         loadConfig(configFilePath.toStdString().c_str());
  19 }
  20
  21 OptionsDialog::~OptionsDialog()
  22 {
  23 }
  24
  25 /**
  26  * Adds IP address to the configuration.
  27  * Additional window is displayed to add address to the list
  28  */
  29 void OptionsDialog::on_addConnectionButton_clicked()
  30 {
  31         QDialog d(this, Qt::Dialog);
  32         QLabel lab("IP Address:", &d);
  33         QLineEdit ed("", &d);
  34         QPushButton ob("", &d);
  35         QPushButton cb("", &d);
  36
  37         if (connections) {
  38                 ob.setGeometry(30, 60, 80, 30);
  39                 ob.setText("Ok");
  40                 ob.setDefault(TRUE);
  41                 lab.setGeometry(10, 10, 60, 30);
  42                 lab.setText("Address");
  43                 ed.setGeometry(70, 10, 140, 30);
  44                 cb.setGeometry(130, 60, 80, 30);
  45                 cb.setText("Cancel");
  46                 d.resize(240, 100);
  47                 connect(&ob, SIGNAL(clicked()), &d, SLOT(accept()));
  48                 connect(&cb, SIGNAL(clicked()), &d, SLOT(reject()));
  49                 if (d.exec())
  50                         if (strcmp(ed.text().toAscii().data(), "") != 0) {
  51                                 connections->addItem(ed.text());
  52                         }
  53         }
  54 }
  55
  56 /**
  57  * Deletes current address from available connections.
  58  */
  59 void OptionsDialog::on_delConnectionButton_clicked()
  60 {
  61         if (connections->currentRow() != -1) {
  62                 connections->takeItem(connections->currentRow());
  63         }
  64 }
  65
  66 /**
  67  * Loads configuration from the given file.
  68  *
  69  * @see QKernel::LoadConfig
  70  *
  71  * @param fname Filename of the configuration file.
  72  */
  73 void OptionsDialog::loadConfig(const char * fname)
  74 {
  75         loglan::vlp::Config config;
  76         config.load(fname);
  77
  78         nodeNumber->setValue(config.getNodeNumber());
  79         switch(config.getConnectionType()) {
  80         case loglan::vlp::EXPLICIT:
  81                 explicitConnectionMode->setEnabled(true);
  82                 registrationConnectionMode->setDisabled(true);
  83                 break;
  84         case loglan::vlp::REGISTER:
  85                 registrationConnectionMode->setEnabled(true);
  86                 explicitConnectionMode->setDisabled(true);
  87                 break;
  88         }
  89
  90         for (auto host : config.getHosts()) {
  91                 connections->addItem(host.c_str());
  92         }
  93
  94         programsDirectory->setText(config.getProgramDir());
  95 }
  96
  97 void OptionsDialog::saveConfig(QString fname)
  98 {
  99         saveConfig(fname.toStdString().c_str());
 100 }
 101
 102 void OptionsDialog::saveConfig(const char * fname)
 103 {
 104         config_t cfg;
 105         config_setting_t *root;
 106         config_setting_t *setting;
 107         config_init(&cfg);
 108
 109         root = config_root_setting(&cfg);
 110
 111         setting = config_setting_add(root, "progdir", CONFIG_TYPE_STRING);
 112         config_setting_set_string(setting, programsDirectory->text().toStdString().c_str());
 113
 114         setting = config_setting_add(root, "node_number", CONFIG_TYPE_INT);
 115         config_setting_set_int(setting, nodeNumber->value());
 116
 117         setting = config_setting_add(root, "type", CONFIG_TYPE_STRING);
 118         if (explicitConnectionMode->isChecked()) {
 119                 config_setting_set_string(setting, "explicit");
 120
 121                 config_setting_t *hosts = NULL;
 122                 hosts = config_setting_add(root, "host", CONFIG_TYPE_ARRAY);
 123                 for(int i = 0; i < connections->count(); i++) {
 124                         setting = config_setting_add(hosts, NULL, CONFIG_TYPE_STRING);
 125                         config_setting_set_string(setting, connections->item(i)->text().toStdString().c_str());
 126                 }
 127         } else {
 128                 config_setting_set_string(setting, "register");
 129         }
 130
 131         if (!config_write_file(&cfg, fname)) {
 132                 fprintf(stderr, "Error while writing to file: %s.\n", fname);
 133         }
 134         config_destroy(&cfg);
 135 }
 136
 137 }
 138 }