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         showAgainCheckBox(0),
  41         walletSupportCheckBox(0),
  42         m_showConfigAgain(true),
  43         m_walletSupport(true)
  44 {
  45     if (m_url.endsWith('/')) // check case when user enters an ending slash -> remove it
  46         m_url.truncate(m_url.length() - 1);
  47
  48     m_filename = KStandardDirs::locateLocal("appdata", "hostpreferences.xml");
  49
  50     QFile file(m_filename);
  51
  52     if (!m_doc.setContent(&file)) {
  53         kWarning(5010) << "Error reading " << m_filename;
  54
  55         // no xml file found, create a new one
  56         QDomDocument domDocument("krdc");
  57         QDomProcessingInstruction process = domDocument.createProcessingInstruction(
  58                                                 "xml", "version=\"1.0\" encoding=\"UTF-8\"");
  59         domDocument.appendChild(process);
  60
  61         QDomElement root = domDocument.createElement("krdc");
  62         root.setAttribute("version", "1.0");
  63         domDocument.appendChild(root);
  64
  65         if (!file.open(QFile::WriteOnly | QFile::Truncate))
  66             kWarning(5010) << "Error creating " << m_filename;
  67
  68         QTextStream out(&file);
  69         domDocument.save(out, 4);
  70
  71         file.close();
  72
  73         m_doc.setContent(&file);
  74     }
  75 }
  76
  77 HostPreferences::~HostPreferences()
  78 {
  79 }
  80
  81 void HostPreferences::updateElement(const QString &name, const QString &value)
  82 {
  83     QDomElement oldElement = m_element.firstChildElement(name);
  84
  85     if (oldElement == QDomElement()) {
  86         oldElement = m_doc.createElement(name);
  87         m_element.appendChild(oldElement);
  88     }
  89
  90     QDomElement newElement = m_doc.createElement(name);
  91     QDomText newText = m_doc.createTextNode(value);
  92     newElement.appendChild(newText);
  93     m_element.replaceChild(newElement, oldElement);
  94 }
  95
  96 bool HostPreferences::saveConfig()
  97 {
  98     saveProtocolSpecificConfig();
  99
 100     if (showAgainCheckBox) // check if the checkbox has been created
 101         setShowConfigAgain(showAgainCheckBox->isChecked());
 102
 103     if (walletSupportCheckBox)
 104         setWalletSupport(walletSupportCheckBox->isChecked());
 105
 106     updateElement("showConfigAgain", m_showConfigAgain ? "true" : "false");
 107     updateElement("walletSupport", m_walletSupport ? "true" : "false");
 108
 109     QDomElement root = m_doc.documentElement();
 110     QDomElement oldElement = QDomElement();
 111     for (QDomNode n = root.firstChild(); !n.isNull(); n = n.nextSibling()) {
 112         if (n.toElement().hasAttribute("url") && n.toElement().attribute("url") == m_url) {
 113             oldElement = n.toElement();
 114         }
 115     }
 116
 117     if (oldElement == QDomElement()) // host not existing, create new one
 118         m_doc.appendChild(m_element);
 119     else
 120         m_doc.replaceChild(m_element, oldElement);
 121
 122     QFile file(m_filename);
 123     if (!file.open(QFile::WriteOnly | QFile::Text)) {
 124         kWarning(5010) << "Cannot write " << m_filename << ". " << file.errorString();
 125         return false;
 126     }
 127
 128     QTextStream out(&file);
 129     m_doc.save(out, 4);
 130     return true;
 131 }
 132
 133 bool HostPreferences::hostConfigured()
 134 {
 135     QDomElement root = m_doc.documentElement();
 136     for (QDomNode n = root.firstChild(); !n.isNull(); n = n.nextSibling()) {
 137         if (n.toElement().hasAttribute("url") && n.toElement().attribute("url") == m_url) {
 138             kDebug(5010) << "Found: " << m_url;
 139             m_element = n.toElement();
 140
 141             readConfig();
 142
 143             return true;
 144         }
 145     }
 146
 147     // host not configured yet, create a new host element
 148     m_element = m_doc.createElement("host");
 149     m_doc.documentElement().appendChild(m_element);
 150     m_element.setTagName("host");
 151     m_element.setAttribute("url", m_url);
 152
 153     readConfig();
 154
 155     return false;
 156 }
 157
 158 void HostPreferences::readConfig()
 159 {
 160     readProtocolSpecificConfig();
 161
 162     setShowConfigAgain(m_element.firstChildElement("showConfigAgain").text() != "false");
 163     if (m_element.firstChildElement("walletSupport") != QDomElement())
 164         setWalletSupport(m_element.firstChildElement("walletSupport").text() != "false");
 165     else
 166         setWalletSupport(Settings::walletSupport());
 167 }
 168
 169 void HostPreferences::setShowConfigAgain(bool show)
 170 {
 171     m_showConfigAgain = show;
 172 }
 173
 174 bool HostPreferences::showConfigAgain()
 175 {
 176     return m_showConfigAgain;
 177 }
 178
 179 void HostPreferences::setWalletSupport(bool walletSupport)
 180 {
 181     m_walletSupport = walletSupport;
 182 }
 183
 184 bool HostPreferences::walletSupport()
 185 {
 186     return m_walletSupport;
 187 }
 188
 189 KDialog *HostPreferences::createDialog(QWidget *widget)
 190 {
 191     KDialog *dialog = new KDialog;
 192     dialog->setCaption(i18n("Host Configuration"));
 193
 194     QWidget *mainWidget = new QWidget(dialog);
 195     QVBoxLayout *layout = new QVBoxLayout(mainWidget);
 196
 197     KTitleWidget *titleWidget = new KTitleWidget(dialog);
 198     titleWidget->setText(i18n("Host Configuration"));
 199     titleWidget->setPixmap(KIcon("krdc"));
 200     layout->addWidget(titleWidget);
 201
 202     layout->addWidget(widget);
 203
 204     showAgainCheckBox = new QCheckBox(mainWidget);
 205     showAgainCheckBox->setText(i18n("Show this dialog again for this host"));
 206     showAgainCheckBox->setChecked(showConfigAgain());
 207
 208     walletSupportCheckBox = new QCheckBox(mainWidget);
 209     walletSupportCheckBox->setText(i18n("Remember password (KWallet)"));
 210     walletSupportCheckBox->setChecked(walletSupport());
 211
 212     layout->addWidget(showAgainCheckBox);
 213     layout->addWidget(walletSupportCheckBox);
 214     layout->addStretch(1);
 215     mainWidget->setLayout(layout);
 216
 217     dialog->setMainWidget(mainWidget);
 218
 219     return dialog;
 220 }
 221
 222 #include "hostpreferences.moc"