utils/themeeditor/skindocument.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 "skindocument.h"
  23
  24 #include <QFile>
  25 #include <QSettings>
  26 #include <QColor>
  27 #include <QMessageBox>
  28 #include <QFileDialog>
  29
  30 SkinDocument::SkinDocument(QWidget *parent) : QWidget(parent)
  31 {
  32     setupUI();
  33
  34     title = "Untitled";
  35     fileName = "";
  36     saved = "";
  37 }
  38
  39 SkinDocument::SkinDocument(QString file, QWidget *parent):
  40         QWidget(parent), fileName(file)
  41 {
  42     setupUI();
  43
  44     /* Loading the file */
  45     if(QFile::exists(fileName))
  46     {
  47         QFile fin(fileName);
  48         fin.open(QFile::ReadOnly);
  49         editor->document()->setPlainText(QString(fin.readAll()));
  50         saved = editor->document()->toPlainText();
  51         fin.close();
  52     }
  53
  54     /* Setting the title */
  55     QStringList decomposed = fileName.split('/');
  56     title = decomposed.last();
  57 }
  58
  59 SkinDocument::~SkinDocument()
  60 {
  61     delete highlighter;
  62     delete model;
  63 }
  64
  65 void SkinDocument::connectPrefs(PreferencesDialog* prefs)
  66 {
  67     QObject::connect(prefs, SIGNAL(accepted()),
  68                      this, SLOT(settingsChanged()));
  69     QObject::connect(prefs, SIGNAL(accepted()),
  70                      highlighter, SLOT(loadSettings()));
  71 }
  72
  73 bool SkinDocument::requestClose()
  74 {
  75     if(editor->document()->toPlainText() != saved)
  76     {
  77         /* Spawning the "Are you sure?" dialog */
  78         QMessageBox confirm(this);
  79         confirm.setWindowTitle(tr("Confirm Close"));
  80         confirm.setText(title + tr(" has been modified."));
  81         confirm.setInformativeText(tr("Do you want to save your changes?"));
  82         confirm.setStandardButtons(QMessageBox::Save | QMessageBox::Discard
  83                                    | QMessageBox::Cancel);
  84         confirm.setDefaultButton(QMessageBox::Save);
  85         int confirmation = confirm.exec();
  86
  87         switch(confirmation)
  88         {
  89         case QMessageBox::Save:
  90             save();
  91             /* After calling save, make sure the user actually went through */
  92             if(editor->document()->toPlainText() != saved)
  93                 return false;
  94             else
  95                 return true;
  96
  97         case QMessageBox::Discard:
  98             return true;
  99
 100         case QMessageBox::Cancel:
 101             return false;
 102         }
 103     }
 104
 105     return true;
 106 }
 107
 108 void SkinDocument::setupUI()
 109 {
 110     /* Setting up the text edit */
 111     layout = new QHBoxLayout;
 112     editor = new QPlainTextEdit(this);
 113     editor->setLineWrapMode(QPlainTextEdit::NoWrap);
 114     layout->addWidget(editor);
 115
 116     setLayout(layout);
 117
 118     /* Attaching the syntax highlighter */
 119     highlighter = new SkinHighlighter(editor->document());
 120
 121     /* Setting up the model */
 122     model = new ParseTreeModel("");
 123
 124     /* Connecting the editor's signal */
 125     QObject::connect(editor, SIGNAL(textChanged()),
 126                      this, SLOT(codeChanged()));
 127
 128     settingsChanged();
 129 }
 130
 131 void SkinDocument::settingsChanged()
 132 {
 133     /* Setting the editor colors */
 134     QSettings settings;
 135     settings.beginGroup("SkinDocument");
 136
 137     QColor fg = settings.value("fgColor", Qt::black).value<QColor>();
 138     QColor bg = settings.value("bgColor", Qt::white).value<QColor>();
 139     QPalette palette;
 140     palette.setColor(QPalette::All, QPalette::Base, bg);
 141     palette.setColor(QPalette::All, QPalette::Text, fg);
 142
 143     editor->setPalette(palette);
 144
 145     /* Setting the font */
 146     QFont family = settings.value("fontFamily", QFont()).value<QFont>();
 147     family.setPointSize(settings.value("fontSize", 12).toInt());
 148     editor->setFont(family);
 149
 150     editor->repaint();
 151
 152     settings.endGroup();
 153
 154 }
 155
 156 void SkinDocument::codeChanged()
 157 {
 158     model->changeTree(editor->document()->toPlainText().toAscii());
 159
 160     if(editor->document()->toPlainText() != saved)
 161         emit titleChanged(title + QChar('*'));
 162     else
 163         emit titleChanged(title);
 164 }
 165
 166 void SkinDocument::save()
 167 {
 168     QFile fout(fileName);
 169
 170     if(!fout.exists())
 171     {
 172         saveAs();
 173         return;
 174     }
 175
 176     fout.open(QFile::WriteOnly);
 177     fout.write(editor->document()->toPlainText().toAscii());
 178     fout.close();
 179
 180     saved = editor->document()->toPlainText();
 181     QStringList decompose = fileName.split('/');
 182     title = decompose.last();
 183     emit titleChanged(title);
 184
 185 }
 186
 187 void SkinDocument::saveAs()
 188 {
 189     /* Determining the directory to open */
 190     QString directory = fileName;
 191
 192     QSettings settings;
 193     settings.beginGroup("SkinDocument");
 194     if(directory == "")
 195         directory = settings.value("defaultDirectory", "").toString();
 196
 197     fileName = QFileDialog::getSaveFileName(this, tr("Save Document"),
 198                                             directory, fileFilter());
 199     directory = fileName;
 200     if(fileName == "")
 201         return;
 202
 203     directory.chop(fileName.length() - fileName.lastIndexOf('/') - 1);
 204     settings.setValue("defaultDirectory", directory);
 205     settings.endGroup();
 206
 207     QFile fout(fileName);
 208     fout.open(QFile::WriteOnly);
 209     fout.write(editor->document()->toPlainText().toAscii());
 210     fout.close();
 211
 212     saved = editor->document()->toPlainText();
 213     QStringList decompose = fileName.split('/');
 214     title = decompose[decompose.count() - 1];
 215     emit titleChanged(title);
 216
 217 }