rockbox/utils/themeeditor/gui/skindocument.cpp
Robert Bieber 3c4fb8abe4 Theme Editor: Added column number to parser error messages
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27477 a1c6a512-1295-4272-9138-f99709370657
2010-07-18 00:59:02 +00:00

364 lines
11 KiB
C++

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Robert Bieber
*
* This program is free software; can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your optiyouon) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "skindocument.h"
#include <QFile>
#include <QSettings>
#include <QColor>
#include <QMessageBox>
#include <QFileDialog>
#include <iostream>
#include <QDebug>
const int SkinDocument::updateInterval = 500;
SkinDocument::SkinDocument(QLabel* statusLabel, ProjectModel* project,
DeviceState* device, QWidget *parent)
:TabContent(parent), statusLabel(statusLabel),
project(project), device(device)
{
setupUI();
titleText = "Untitled";
fileName = "";
saved = "";
parseStatus = tr("Empty document");
blockUpdate = false;
currentLine = -1;
}
SkinDocument::SkinDocument(QLabel* statusLabel, QString file,
ProjectModel* project, DeviceState* device,
QWidget *parent)
:TabContent(parent), fileName(file),
statusLabel(statusLabel), project(project),
device(device)
{
setupUI();
blockUpdate = false;
/* Loading the file */
if(QFile::exists(fileName))
{
QFile fin(fileName);
fin.open(QFile::ReadOnly);
editor->document()->setPlainText(QString(fin.readAll()));
saved = editor->document()->toPlainText();
editor->setTextCursor(QTextCursor(editor->document()->begin()));
fin.close();
}
/* Setting the title */
QStringList decomposed = fileName.split('/');
titleText = decomposed.last();
lastUpdate = QTime::currentTime();
}
SkinDocument::~SkinDocument()
{
highlighter->deleteLater();
model->deleteLater();
}
void SkinDocument::connectPrefs(PreferencesDialog* prefs)
{
QObject::connect(prefs, SIGNAL(accepted()),
this, SLOT(settingsChanged()));
QObject::connect(prefs, SIGNAL(accepted()),
highlighter, SLOT(loadSettings()));
}
bool SkinDocument::requestClose()
{
/* Storing the response in blockUpdate will also block updates to the
status bar if the tab is being closed */
if(editor->document()->toPlainText() != saved)
{
/* Spawning the "Are you sure?" dialog */
QMessageBox confirm(this);
confirm.setWindowTitle(tr("Confirm Close"));
confirm.setText(titleText + tr(" has been modified."));
confirm.setInformativeText(tr("Do you want to save your changes?"));
confirm.setStandardButtons(QMessageBox::Save | QMessageBox::Discard
| QMessageBox::Cancel);
confirm.setDefaultButton(QMessageBox::Save);
int confirmation = confirm.exec();
switch(confirmation)
{
case QMessageBox::Save:
save();
/* After calling save, make sure the user actually went through */
if(editor->document()->toPlainText() != saved)
blockUpdate = false;
else
blockUpdate = true;
break;
case QMessageBox::Discard:
blockUpdate = true;
break;
case QMessageBox::Cancel:
blockUpdate = false;
break;
}
}
else
blockUpdate = true;
return blockUpdate;
}
void SkinDocument::setupUI()
{
/* Setting up the text edit */
layout = new QHBoxLayout;
editor = new CodeEditor(this);
editor->setLineWrapMode(QPlainTextEdit::NoWrap);
layout->addWidget(editor);
setLayout(layout);
/* Attaching the syntax highlighter */
highlighter = new SkinHighlighter(editor->document());
/* Setting up the model */
model = new ParseTreeModel("");
/* Connecting the editor's signal */
QObject::connect(editor, SIGNAL(textChanged()),
this, SLOT(codeChanged()));
QObject::connect(editor, SIGNAL(cursorPositionChanged()),
this, SLOT(cursorChanged()));
/* Connecting to device setting changes */
QObject::connect(device, SIGNAL(settingsChanged()),
this, SLOT(deviceChanged()));
/* Attaching the find/replace dialog */
findReplace = new FindReplaceDialog(this);
findReplace->setModal(false);
findReplace->setTextEdit(editor);
findReplace->hide();
settingsChanged();
/* Setting up a timer to check for updates */
checkUpdate.setInterval(500);
QObject::connect(&checkUpdate, SIGNAL(timeout()),
this, SLOT(codeChanged()));
}
void SkinDocument::settingsChanged()
{
/* Setting the editor colors */
QSettings settings;
settings.beginGroup("SkinDocument");
QColor fg = settings.value("fgColor", Qt::black).value<QColor>();
QColor bg = settings.value("bgColor", Qt::white).value<QColor>();
QPalette palette;
palette.setColor(QPalette::All, QPalette::Base, bg);
palette.setColor(QPalette::All, QPalette::Text, fg);
editor->setPalette(palette);
QColor highlight = settings.value("errorColor", Qt::red).value<QColor>();
editor->setErrorColor(highlight);
/* Setting the font */
QFont def("Monospace");
def.setStyleHint(QFont::TypeWriter);
QFont family = settings.value("fontFamily", def).value<QFont>();
family.setPointSize(settings.value("fontSize", 12).toInt());
editor->setFont(family);
editor->repaint();
settings.endGroup();
}
void SkinDocument::cursorChanged()
{
if(editor->isError(editor->textCursor().blockNumber() + 1))
{
QTextCursor line = editor->textCursor();
line.movePosition(QTextCursor::StartOfLine);
line.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor);
skin_parse(line.selectedText().toAscii());
if(skin_error_line() > 0)
parseStatus = tr("Error on line ") +
QString::number(line.blockNumber() + 1)
+ tr(", column ") + QString::number(skin_error_col())
+ tr(": ") +
skin_error_message();
statusLabel->setText(parseStatus);
}
else if(editor->hasErrors())
{
parseStatus = tr("Errors in document");
statusLabel->setText(parseStatus);
}
else if(editor->textCursor().blockNumber() != currentLine)
{
currentLine = editor->textCursor().blockNumber();
emit lineChanged(editor->textCursor().blockNumber() + 1);
}
}
void SkinDocument::codeChanged()
{
if(blockUpdate)
return;
if(editor->document()->isEmpty())
{
parseStatus = tr("Empty document");
statusLabel->setText(parseStatus);
return;
}
editor->clearErrors();
parseStatus = model->changeTree(editor->document()->
toPlainText().toAscii());
if(skin_error_line() > 0)
parseStatus = tr("Errors in document");
statusLabel->setText(parseStatus);
/* Highlighting if an error was found */
if(skin_error_line() > 0)
{
editor->addError(skin_error_line());
/* Now we're going to attempt parsing again at each line, until we find
one that won't error out*/
QTextDocument doc(editor->document()->toPlainText());
int base = 0;
while(skin_error_line() > 0 && !doc.isEmpty())
{
QTextCursor rest(&doc);
for(int i = 0; i < skin_error_line(); i++)
rest.movePosition(QTextCursor::NextBlock,
QTextCursor::KeepAnchor);
if(skin_error_line() == doc.blockCount())
rest.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
rest.removeSelectedText();
base += skin_error_line();
skin_parse(doc.toPlainText().toAscii());
if(skin_error_line() > 0)
editor->addError(base + skin_error_line());
}
}
if(editor->document()->toPlainText() != saved)
emit titleChanged(titleText + QChar('*'));
else
emit titleChanged(titleText);
if(lastUpdate.msecsTo(QTime::currentTime()) >= updateInterval)
{
model->render(project, device, &fileName);
checkUpdate.stop();
lastUpdate = QTime::currentTime();
}
else
{
checkUpdate.start();
}
cursorChanged();
}
void SkinDocument::save()
{
QFile fout(fileName);
if(!fout.exists())
{
saveAs();
return;
}
fout.open(QFile::WriteOnly);
fout.write(editor->document()->toPlainText().toAscii());
fout.close();
saved = editor->document()->toPlainText();
QStringList decompose = fileName.split('/');
titleText = decompose.last();
emit titleChanged(titleText);
scene();
}
void SkinDocument::saveAs()
{
/* Determining the directory to open */
QString directory = fileName;
QSettings settings;
settings.beginGroup("SkinDocument");
if(directory == "")
directory = settings.value("defaultDirectory", "").toString();
fileName = QFileDialog::getSaveFileName(this, tr("Save Document"),
directory, fileFilter());
directory = fileName;
if(fileName == "")
return;
directory.chop(fileName.length() - fileName.lastIndexOf('/') - 1);
settings.setValue("defaultDirectory", directory);
settings.endGroup();
QFile fout(fileName);
fout.open(QFile::WriteOnly);
fout.write(editor->document()->toPlainText().toAscii());
fout.close();
saved = editor->document()->toPlainText();
QStringList decompose = fileName.split('/');
titleText = decompose[decompose.count() - 1];
emit titleChanged(titleText);
scene();
}
QString SkinDocument::findSetting(QString key, QString fallback)
{
if(!project)
return fallback;
else
return project->getSetting(key, fallback);
}