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 <QTimer>
  26 #include <QSettings>
  27 #include <QMessageBox>
  28 #include <QFileDialog>
  29
  30 SkinDocument::SkinDocument(QWidget *parent) :
  31     QWidget(parent)
  32 {
  33     setupUI();
  34
  35     title = "Untitled";
  36     fileName = "";
  37     saved = "";
  38 }
  39
  40 SkinDocument::~SkinDocument()
  41 {
  42     delete highlighter;
  43     delete model;
  44 }
  45
  46 bool SkinDocument::requestClose()
  47 {
  48     if(editor->document()->toPlainText() != saved)
  49     {
  50         /* Spawning the "Are you sure?" dialog */
  51         QMessageBox confirm(this);
  52         confirm.setWindowTitle(tr("Confirm Close"));
  53         confirm.setText(title + tr(" has been modified."));
  54         confirm.setInformativeText(tr("Do you want to save your changes?"));
  55         confirm.setStandardButtons(QMessageBox::Save | QMessageBox::Discard
  56                                    | QMessageBox::Cancel);
  57         confirm.setDefaultButton(QMessageBox::Save);
  58         int confirmation = confirm.exec();
  59
  60         switch(confirmation)
  61         {
  62         case QMessageBox::Save:
  63             save();
  64             /* After calling save, make sure the user actually went through */
  65             if(editor->document()->toPlainText() != saved)
  66                 return false;
  67             else
  68                 return true;
  69
  70         case QMessageBox::Discard:
  71             return true;
  72
  73         case QMessageBox::Cancel:
  74             return false;
  75         }
  76     }
  77
  78     return true;
  79 }
  80
  81 void SkinDocument::setupUI()
  82 {
  83     /* Setting up the text edit */
  84     layout = new QHBoxLayout;
  85     editor = new QPlainTextEdit(this);
  86     layout->addWidget(editor);
  87
  88     setLayout(layout);
  89
  90     /* Attaching the syntax highlighter */
  91     highlighter = new SkinHighlighter(QColor(0,180,0), QColor(255,0,0),
  92                                       QColor(0,0,255), QColor(120,120,120),
  93                                       editor->document());
  94
  95     /* Setting up the model */
  96     model = new ParseTreeModel("");
  97
  98     /* Connecting the editor's signal */
  99     QObject::connect(editor, SIGNAL(textChanged()),
 100                      this, SLOT(codeChanged()));
 101 }
 102
 103 void SkinDocument::codeChanged()
 104 {
 105     model->changeTree(editor->document()->toPlainText().toAscii());
 106
 107     if(editor->document()->toPlainText() != saved)
 108         emit titleChanged(title + QChar('*'));
 109     else
 110         emit titleChanged(title);
 111 }
 112
 113 void SkinDocument::save()
 114 {
 115     QFile fout(fileName);
 116
 117     if(!fout.exists())
 118     {
 119         saveAs();
 120         return;
 121     }
 122
 123     fout.open(QFile::WriteOnly);
 124     fout.write(editor->document()->toPlainText().toAscii());
 125     fout.close();
 126
 127     saved = editor->document()->toPlainText();
 128     QStringList decompose = fileName.split('/');
 129     title = decompose[decompose.count() - 1];
 130     emit titleChanged(title);
 131
 132 }
 133
 134 void SkinDocument::saveAs()
 135 {
 136     /* Determining the directory to open */
 137     QString directory = fileName;
 138
 139     QSettings settings;
 140     settings.beginGroup("SkinDocument");
 141     if(directory == "")
 142         directory = settings.value("defaultDirectory", "").toString();
 143
 144     fileName = QFileDialog::getSaveFileName(this, tr("Save Document"),
 145                                             directory, fileFilter());
 146     directory = fileName;
 147     if(fileName == "")
 148         return;
 149
 150     directory.chop(fileName.length() - fileName.lastIndexOf('/') - 1);
 151     settings.setValue("defaultDirectory", directory);
 152     settings.endGroup();
 153
 154     QFile fout(fileName);
 155     fout.open(QFile::WriteOnly);
 156     fout.write(editor->document()->toPlainText().toAscii());
 157     fout.close();
 158
 159     saved = editor->document()->toPlainText();
 160     QStringList decompose = fileName.split('/');
 161     title = decompose[decompose.count() - 1];
 162     emit titleChanged(title);
 163
 164 }