utils/themeeditor/gui/configdocument.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include "projectmodel.h"
  23 #include "configdocument.h"
  24 #include "ui_configdocument.h"
  25
  26 #include <QMessageBox>
  27 #include <QFile>
  28 #include <QSettings>
  29 #include <QFileDialog>
  30
  31 ConfigDocument::ConfigDocument(QMap<QString, QString>& settings, QString file,
  32                                QWidget *parent)
  33                                    : TabContent(parent),
  34                                    ui(new Ui::ConfigDocument),
  35                                    filePath(file)
  36 {
  37     ui->setupUi(this);
  38
  39     /* Populating the known keys list */
  40     QFile fin(":/resources/configkeys");
  41     fin.open(QFile::ReadOnly);
  42
  43     QStringList* container = &primaryKeys;
  44     while(!fin.atEnd())
  45     {
  46         QString current = QString(fin.readLine());
  47         if(current == "-\n")
  48             container = &secondaryKeys;
  49         else if(current != "\n")
  50             container->append(current.trimmed());
  51     }
  52
  53     QMap<QString, QString>::iterator i;
  54     for(i = settings.begin(); i != settings.end(); i++)
  55         if(i.key() != "themebase")
  56             addRow(i.key(), i.value());
  57
  58     saved = toPlainText();
  59
  60     QObject::connect(ui->addKeyButton, SIGNAL(pressed()),
  61                      this, SLOT(addClicked()));
  62 }
  63
  64 ConfigDocument::~ConfigDocument()
  65 {
  66     delete ui;
  67 }
  68
  69 void ConfigDocument::changeEvent(QEvent *e)
  70 {
  71     QWidget::changeEvent(e);
  72     switch (e->type()) {
  73     case QEvent::LanguageChange:
  74         ui->retranslateUi(this);
  75         break;
  76     default:
  77         break;
  78     }
  79 }
  80
  81 QString ConfigDocument::title() const
  82 {
  83     QStringList decompose = filePath.split("/");
  84     return decompose.last();
  85 }
  86
  87 void ConfigDocument::save()
  88 {
  89     QFile fout(filePath);
  90
  91     if(!fout.exists())
  92     {
  93         saveAs();
  94         return;
  95     }
  96
  97     fout.open(QFile::WriteOnly);
  98     fout.write(toPlainText().toAscii());
  99     fout.close();
 100
 101     saved = toPlainText();
 102     emit titleChanged(title());
 103     emit configFileChanged(file());
 104 }
 105
 106 void ConfigDocument::saveAs()
 107 {
 108     /* Determining the directory to open */
 109     QString directory = filePath;
 110
 111     QSettings settings;
 112     settings.beginGroup("ProjectModel");
 113     if(directory == "")
 114         directory = settings.value("defaultDirectory", "").toString();
 115
 116     filePath = QFileDialog::getSaveFileName(this, tr("Save Document"),
 117                                             directory,
 118                                             ProjectModel::fileFilter());
 119     directory = filePath;
 120     if(filePath == "")
 121         return;
 122
 123     directory.chop(filePath.length() - filePath.lastIndexOf('/') - 1);
 124     settings.setValue("defaultDirectory", directory);
 125     settings.endGroup();
 126
 127     QFile fout(filePath);
 128     fout.open(QFile::WriteOnly);
 129     fout.write(toPlainText().toAscii());
 130     fout.close();
 131
 132     saved = toPlainText();
 133     emit titleChanged(title());
 134     emit configFileChanged(file());
 135
 136 }
 137
 138 bool ConfigDocument::requestClose()
 139 {
 140     if(toPlainText() != saved)
 141     {
 142         /* Spawning the "Are you sure?" dialog */
 143         QMessageBox confirm(this);
 144         confirm.setWindowTitle(tr("Confirm Close"));
 145         confirm.setText(title() + tr(" has been modified."));
 146         confirm.setInformativeText(tr("Do you want to save your changes?"));
 147         confirm.setStandardButtons(QMessageBox::Save | QMessageBox::Discard
 148                                    | QMessageBox::Cancel);
 149         confirm.setDefaultButton(QMessageBox::Save);
 150         int confirmation = confirm.exec();
 151
 152         switch(confirmation)
 153         {
 154         case QMessageBox::Save:
 155             save();
 156             /* After calling save, make sure the user actually went through */
 157             if(toPlainText() != saved)
 158                 return false;
 159             else
 160                 return true;
 161
 162         case QMessageBox::Discard:
 163             return true;
 164
 165         case QMessageBox::Cancel:
 166             return false;
 167         }
 168     }
 169     return true;
 170 }
 171
 172 QString ConfigDocument::toPlainText() const
 173 {
 174     QString buffer = "";
 175
 176     for(int i = 0; i < keys.count(); i++)
 177     {
 178         buffer += keys[i]->currentText();
 179         buffer += ":";
 180         buffer += values[i]->text();
 181         buffer += "\n";
 182     }
 183
 184     return buffer;
 185 }
 186
 187 void ConfigDocument::addRow(QString key, QString value)
 188 {
 189     QHBoxLayout* layout = new QHBoxLayout();
 190     NoScrollCombo* keyEdit = new NoScrollCombo(this);
 191     QLineEdit* valueEdit = new QLineEdit(value, this);
 192     QPushButton* delButton = new QPushButton(tr("-"), this);
 193     QLabel* label = new QLabel(":");
 194
 195     /* Loading the combo box options */
 196     keyEdit->setInsertPolicy(QComboBox::InsertAlphabetically);
 197     keyEdit->setEditable(true);
 198     keyEdit->addItems(primaryKeys);
 199     keyEdit->insertSeparator(keyEdit->count());
 200     keyEdit->addItems(secondaryKeys);
 201     if(keyEdit->findText(key) != -1)
 202         keyEdit->setCurrentIndex(keyEdit->findText(key));
 203     else
 204         keyEdit->setEditText(key);
 205
 206
 207     layout->addWidget(keyEdit);
 208     layout->addWidget(label);
 209     layout->addWidget(valueEdit);
 210     layout->addWidget(delButton);
 211
 212     delButton->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
 213     delButton->setMaximumWidth(35);
 214
 215     QObject::connect(delButton, SIGNAL(clicked()),
 216                      this, SLOT(deleteClicked()));
 217     QObject::connect(keyEdit, SIGNAL(currentIndexChanged(QString)),
 218                      this, SLOT(textChanged()));
 219     QObject::connect(keyEdit, SIGNAL(textChanged(QString)),
 220                      this, SLOT(textChanged()));
 221     QObject::connect(valueEdit, SIGNAL(textChanged(QString)),
 222                      this, SLOT(textChanged()));
 223
 224     ui->configBoxes->addLayout(layout);
 225
 226     containers.append(layout);
 227     keys.append(keyEdit);
 228     values.append(valueEdit);
 229     deleteButtons.append(delButton);
 230     labels.append(label);
 231
 232 }
 233
 234 void ConfigDocument::deleteClicked()
 235 {
 236     QPushButton* button = dynamic_cast<QPushButton*>(sender());
 237     int row = deleteButtons.indexOf(button);
 238
 239     deleteButtons[row]->deleteLater();
 240     keys[row]->deleteLater();
 241     values[row]->deleteLater();
 242     containers[row]->deleteLater();
 243     labels[row]->deleteLater();
 244
 245     deleteButtons.removeAt(row);
 246     keys.removeAt(row);
 247     values.removeAt(row);
 248     containers.removeAt(row);
 249     labels.removeAt(row);
 250
 251     if(saved != toPlainText())
 252         emit titleChanged(title() + "*");
 253     else
 254         emit titleChanged(title());
 255 }
 256
 257 void ConfigDocument::addClicked()
 258 {
 259     addRow(tr("Key"), tr("Value"));
 260 }
 261
 262 void ConfigDocument::textChanged()
 263 {
 264     if(toPlainText() != saved)
 265         emit titleChanged(title() + "*");
 266     else
 267         emit titleChanged(title());
 268 }