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/*
* XML formatter plugin for Juffed editor
*
* Portions Copyright (C) 2010 Petr Vanek <petr@scribus.info>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; only version 2 of
* the License is valid for this program.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include "xmlformat.h"
#include <QMessageBox>
#include <QDomDocument>
#include "EditorSettings.h"
XmlformatPlugin::XmlformatPlugin() : QObject(), JuffPlugin()
{
actDoc = new QAction(QIcon(":xmlwrap"), tr("Format XML Document"), this);
connect(actDoc, SIGNAL(triggered()), this, SLOT(format()));
}
void XmlformatPlugin::init() {
}
XmlformatPlugin::~XmlformatPlugin() {
}
QString XmlformatPlugin::name() const {
return "XML Formatter";
}
QString XmlformatPlugin::title() const {
return tr("XML Formatter");
}
QString XmlformatPlugin::targetEngine() const {
return "all";
}
QString XmlformatPlugin::description() const {
return "Plugin that allows to format XML document - idenation, verification...";
}
QToolBar* XmlformatPlugin::toolBar() const
{
QToolBar * bar = new QToolBar(tr("XML Formatter"));
bar->addAction(actDoc);
bar->setObjectName("XMLFormatterToolBar");
return bar;
}
Juff::ActionList XmlformatPlugin::mainMenuActions(Juff::MenuID id) const
{
Juff::ActionList list;
if ( Juff::MenuTools == id )
{
list << actDoc;
}
return list;
}
void XmlformatPlugin::format()
{
Juff::Document* doc = api()->currentDocument();
// api()->currentDocument() never returns NULL, it returns
// NullDoc if there is no docs.
if ( doc->isNull() )
return;
// if there is a selection - try to format a selection.
// In the other case format all document
if (doc->hasSelectedText())
{
formatSelection(doc);
}
else
{
formatDocument(doc);
}
}
void XmlformatPlugin::formatDocument(Juff::Document *doc)
{
QString content;
QDomDocument dom;
QString errmsg;
int errline, errcolumn;
if (! doc->getText(content))
return;
if (dom.setContent(content, false, &errmsg, &errline, &errcolumn))
{
QString newContent = dom.toString(EditorSettings::get(EditorSettings::TabWidth));
if (EditorSettings::get(EditorSettings::UseTabs))
newContent = changeSpacesToTabs(newContent);
doc->setText(newContent);
}
else
{
QMessageBox::information(0, tr("XML format error"),
tr("Cannot format XML due error (line: %1, column: %2)").arg(errline).arg(errcolumn)
+ "<br/>"
+ errmsg);
}
}
void XmlformatPlugin::formatSelection(Juff::Document *doc)
{
QString content;
QDomDocument dom;
QString errmsg;
int errline, errcolumn;
if (! doc->getSelectedText(content))
return;
int line, column, tmp1, tmp2;
doc->getSelection(line, column, tmp1, tmp2);
if (dom.setContent(content, false, &errmsg, &errline, &errcolumn))
{
QString newContent = dom.toString(EditorSettings::get(EditorSettings::TabWidth));
if (EditorSettings::get(EditorSettings::UseTabs))
newContent = changeSpacesToTabs(newContent);
doc->replaceSelectedText(newContent);
}
else
{
QMessageBox::information(0, tr("XML format error"),
tr("Cannot format XML due error (line: %1, column: %2)").arg(errline+line).arg(errline==1 ? errcolumn+column : errcolumn)
+ "<br/>"
+ errmsg);
}
}
QString XmlformatPlugin::changeSpacesToTabs(const QString &text)
{
/* hack and slash implementation of <TAB> leading lines.
* Qt itself do not handle <TAB>s in QDomDocument::toString internally
* so output is always <SPACE> indented.
* Here, if is Juffed setup to use <TAB> for indentation, are leading
* spaces converted to tabs.
* Currently it's implemented line by line searching for 1st non-whitespace
* character in the line. Then are spaces replaced by tabs. One tab per "indent"
* spaces.
* Finally the new QString is returned.
*/
QString tab('\t');
QStringList ret;
int indent = EditorSettings::get(EditorSettings::TabWidth);
foreach (QString line, text.split('\n'))
{
int ix = line.indexOf(QRegExp("\\S"));
if (ix < 1)
ret << line;
else
{
line = line.replace(0, ix, tab.repeated(ix / indent));
ret << line;
}
}
return ret.join("\n");
}
#include "xmlformat.moc"
#if QT_VERSION < 0x050000
Q_EXPORT_PLUGIN2(xmlformat, XmlformatPlugin)
#endif
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