krdc/hostpreferences.cpp

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 2007 Urs Wolfer <uwolfer @ kde.org>
   4 **
   5 ** This file is part of KDE.
   6 **
   7 ** This program is free software; you can redistribute it and/or modify
   8 ** it under the terms of the GNU General Public License as published by
   9 ** the Free Software Foundation; either version 2 of the License, or
  10 ** (at your option) any later version.
  11 **
  12 ** This program 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 this program; see the file COPYING. If not, write to
  19 ** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 ** Boston, MA 02110-1301, USA.
  21 **
  22 ****************************************************************************/
  23
  24 #include "hostpreferences.h"
  25
  26 #include "settings.h"
  27
  28 #include <KDebug>
  29 #include <KLocale>
  30 #include <KStandardDirs>
  31 #include <KTitleWidget>
  32
  33 #include <QCheckBox>
  34 #include <QFile>
  35 #include <QVBoxLayout>
  36
  37 HostPreferences::HostPreferences(const QString &url, QObject *parent)
  38         : QObject(parent),
  39         m_url(url),
  40         m_showConfigAgain(true),
  41         m_walletSupport(true)
  42 {
  43     if (m_url.endsWith('/')) // check case when user enters an ending slash -> remove it
  44         m_url.truncate(m_url.length() - 1);
  45
  46     m_filename = KStandardDirs::locateLocal("appdata", "hostpreferences.xml");
  47
  48     QFile file(m_filename);
  49
  50     if (!m_doc.setContent(&file)) {
  51         kWarning(5010) << "Error reading " << m_filename;
  52
  53         // no xml file found, create a new one
  54         QDomDocument domDocument("krdc");
  55         QDomProcessingInstruction process = domDocument.createProcessingInstruction(
  56                                                 "xml", "version=\"1.0\" encoding=\"UTF-8\"");
  57         domDocument.appendChild(process);
  58
  59         QDomElement root = domDocument.createElement("krdc");
  60         root.setAttribute("version", "1.0");
  61         domDocument.appendChild(root);
  62
  63         if (!file.open(QFile::WriteOnly | QFile::Truncate))
  64             kWarning(5010) << "Error creating " << m_filename;
  65
  66         QTextStream out(&file);
  67         domDocument.save(out, 4);
  68
  69         file.close();
  70
  71         m_doc.setContent(&file);
  72     }
  73 }
  74
  75 HostPreferences::~HostPreferences()
  76 {
  77 }
  78
  79 void HostPreferences::updateElement(const QString &name, const QString &value)
  80 {
  81     QDomElement oldElement = m_element.firstChildElement(name);
  82
  83     if (oldElement == QDomElement()) {
  84         oldElement = m_doc.createElement(name);
  85         m_element.appendChild(oldElement);
  86     }
  87
  88     QDomElement newElement = m_doc.createElement(name);
  89     QDomText newText = m_doc.createTextNode(value);
  90     newElement.appendChild(newText);
  91     m_element.replaceChild(newElement, oldElement);
  92 }
  93
  94 bool HostPreferences::saveConfig()
  95 {
  96     saveProtocolSpecificConfig();
  97
  98     if (showAgainCheckBox) // check if the checkbox has been created
  99         setShowConfigAgain(showAgainCheckBox->isChecked());
 100
 101     if (walletSupportCheckBox)
 102         setWalletSupport(walletSupportCheckBox->isChecked());
 103
 104     updateElement("showConfigAgain", m_showConfigAgain ? "true" : "false");
 105     updateElement("walletSupport", m_walletSupport ? "true" : "false");
 106
 107     QDomElement root = m_doc.documentElement();
 108     QDomElement oldElement = QDomElement();
 109     for (QDomNode n = root.firstChild(); !n.isNull(); n = n.nextSibling()) {
 110         if (n.toElement().hasAttribute("url") && n.toElement().attribute("url") == m_url) {
 111             oldElement = n.toElement();
 112         }
 113     }
 114
 115     if (oldElement == QDomElement()) // host not existing, create new one
 116         m_doc.appendChild(m_element);
 117     else
 118         m_doc.replaceChild(m_element, oldElement);
 119
 120     QFile file(m_filename);
 121     if (!file.open(QFile::WriteOnly | QFile::Text)) {
 122         kWarning(5010) << "Cannot write " << m_filename << ". " << file.errorString();
 123         return false;
 124     }
 125
 126     QTextStream out(&file);
 127     m_doc.save(out, 4);
 128     return true;
 129 }
 130
 131 bool HostPreferences::hostConfigured()
 132 {
 133     QDomElement root = m_doc.documentElement();
 134     for (QDomNode n = root.firstChild(); !n.isNull(); n = n.nextSibling()) {
 135         if (n.toElement().hasAttribute("url") && n.toElement().attribute("url") == m_url) {
 136             kDebug(5010) << "Found: " << m_url;
 137             m_element = n.toElement();
 138
 139             readConfig();
 140
 141             return true;
 142         }
 143     }
 144
 145     // host not configured yet, create a new host element
 146     m_element = m_doc.createElement("host");
 147     m_doc.documentElement().appendChild(m_element);
 148     m_element.setTagName("host");
 149     m_element.setAttribute("url", m_url);
 150
 151     readConfig();
 152
 153     return false;
 154 }
 155
 156 void HostPreferences::readConfig()
 157 {
 158     readProtocolSpecificConfig();
 159
 160     setShowConfigAgain(m_element.firstChildElement("showConfigAgain").text() != "false");
 161     if (m_element.firstChildElement("walletSupport") != QDomElement())
 162         setWalletSupport(m_element.firstChildElement("walletSupport").text() != "false");
 163     else
 164         setWalletSupport(Settings::walletSupport());
 165 }
 166
 167 void HostPreferences::setShowConfigAgain(bool show)
 168 {
 169     m_showConfigAgain = show;
 170 }
 171
 172 bool HostPreferences::showConfigAgain()
 173 {
 174     return m_showConfigAgain;
 175 }
 176
 177 void HostPreferences::setWalletSupport(bool walletSupport)
 178 {
 179     m_walletSupport = walletSupport;
 180 }
 181
 182 bool HostPreferences::walletSupport()
 183 {
 184     return m_walletSupport;
 185 }
 186
 187 KDialog *HostPreferences::createDialog(QWidget *widget)
 188 {
 189     KDialog *dialog = new KDialog;
 190     dialog->setCaption(i18n("Host Configuration"));
 191
 192     QWidget *mainWidget = new QWidget(dialog);
 193     QVBoxLayout *layout = new QVBoxLayout(mainWidget);
 194
 195     KTitleWidget *titleWidget = new KTitleWidget(dialog);
 196     titleWidget->setText(i18n("Host Configuration"));
 197     titleWidget->setPixmap(KIcon("krdc"));
 198     layout->addWidget(titleWidget);
 199
 200     layout->addWidget(widget);
 201
 202     showAgainCheckBox = new QCheckBox(mainWidget);
 203     showAgainCheckBox->setText(i18n("Show this dialog again for this host"));
 204     showAgainCheckBox->setChecked(showConfigAgain());
 205
 206     walletSupportCheckBox = new QCheckBox(mainWidget);
 207     walletSupportCheckBox->setText(i18n("Remember password (KWallet)"));
 208     walletSupportCheckBox->setChecked(walletSupport());
 209
 210     layout->addWidget(showAgainCheckBox);
 211     layout->addWidget(walletSupportCheckBox);
 212     layout->addStretch(1);
 213     mainWidget->setLayout(layout);
 214
 215     dialog->setMainWidget(mainWidget);
 216
 217     return dialog;
 218 }
 219
 220 #include "hostpreferences.moc"