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/*******************************************************************
qgsgrassutils.cpp
-------------------
begin : March, 2006
copyright : (C) 2006 by Radim Blazek
email : radim.blazek@gmail.com
********************************************************************/
/********************************************************************
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; either version 2 of the License, or
(at your option) any later version.
*******************************************************************/
#include "qgsgrassutils.h"
#include "qgsgrassselect.h"
#include "qgsgrass.h"
#include "qgisinterface.h"
#include "qgslogger.h"
#include <QFileInfo>
QgsGrassUtils::QgsGrassUtils() {}
QgsGrassUtils::~QgsGrassUtils() {}
QString QgsGrassUtils::vectorLayerName( QString map, QString layer,
int nLayers )
{
QString name = map;
if ( nLayers > 1 )
name += " " + layer;
return name;
}
void QgsGrassUtils::addVectorLayers( QgisInterface *iface,
QString gisbase, QString location, QString mapset, QString map )
{
QStringList layers = QgsGrass::vectorLayers( gisbase, location, mapset, map );
for ( int i = 0; i < layers.count(); i++ )
{
QString name = QgsGrassUtils::vectorLayerName( map, layers[i], layers.size() );
QString uri = gisbase + "/" + location + "/"
+ mapset + "/" + map + "/" + layers[i];
QgsDebugMsg( QString( "layer = %1" ).arg( layers[i].toLocal8Bit().constData() ) );
QgsDebugMsg( QString( "uri = %1" ).arg( uri.toLocal8Bit().constData() ) );
QgsDebugMsg( QString( "name = %1" ).arg( name.toLocal8Bit().constData() ) );
iface->addVectorLayer( uri, name, "grass" );
}
}
bool QgsGrassUtils::itemExists( QString element, QString item )
{
QString path = QgsGrass::getDefaultGisdbase() + "/"
+ QgsGrass::getDefaultLocation() + "/"
+ QgsGrass::getDefaultMapset() + "/"
+ "/" + element + "/" + item;
QFileInfo fi( path );
return fi.exists();
}
QgsGrassElementDialog::QgsGrassElementDialog( QWidget *parent ) : QObject(), mParent( parent )
{
}
QgsGrassElementDialog::~QgsGrassElementDialog() {}
QString QgsGrassElementDialog::getItem( QString element,
QString title, QString label,
QString text, QString source, bool * ok )
{
QgsDebugMsg( "entered." );
if ( ok )
*ok = false;
mElement = element;
mSource = source;
mDialog = new QDialog( mParent );
mDialog->setWindowTitle( title );
QVBoxLayout *layout = new QVBoxLayout( mDialog );
QHBoxLayout *buttonLayout = new QHBoxLayout( );
mLabel = new QLabel( label );
layout->addWidget( mLabel );
mLineEdit = new QLineEdit( text );
QRegExp rx;
if ( element == "vector" )
{
rx.setPattern( "[A-Za-z_][A-Za-z0-9_]+" );
}
else
{
rx.setPattern( "[A-Za-z0-9_.]+" );
}
QRegExpValidator *val = new QRegExpValidator( rx, this );
mLineEdit->setValidator( val );
layout->addWidget( mLineEdit );
mErrorLabel = new QLabel( "X" );
layout->addWidget( mErrorLabel );
// Intention: keep fixed size - but it does not help
mErrorLabel->adjustSize();
mErrorLabel->setMinimumHeight( mErrorLabel->height() + 5 );
mOkButton = new QPushButton( );
mCancelButton = new QPushButton( tr( "Cancel" ) );
layout->insertLayout( -1, buttonLayout );
buttonLayout->addWidget( mOkButton );
buttonLayout->addWidget( mCancelButton );
connect( mLineEdit, SIGNAL( textChanged( QString ) ), this, SLOT( textChanged() ) );
connect( mOkButton, SIGNAL( clicked() ), mDialog, SLOT( accept() ) );
connect( mCancelButton, SIGNAL( clicked() ), mDialog, SLOT( reject() ) );
textChanged();
if ( ok && mDialog->exec() == QDialog::Accepted )
{
*ok = true;
}
QString name = mLineEdit->text();
delete mDialog;
return name;
}
void QgsGrassElementDialog::textChanged()
{
QgsDebugMsg( "entered." );
QString text = mLineEdit->text().trimmed();
mErrorLabel->setText( " " );
mOkButton->setText( tr( "Ok" ) );
mOkButton->setEnabled( true );
if ( text.length() == 0 )
{
mErrorLabel->setText( tr( "<font color='red'>Enter a name!</font>" ) );
mOkButton->setEnabled( false );
return;
}
#ifdef WIN32
if ( !mSource.isNull() && text.toLower() == mSource.toLower() )
#else
if ( !mSource.isNull() && text == mSource )
#endif
{
mErrorLabel->setText( tr( "<font color='red'>This is name of the source!</font>" ) );
mOkButton->setEnabled( false );
return;
}
if ( QgsGrassUtils::itemExists( mElement, text ) )
{
mErrorLabel->setText( tr( "<font color='red'>Exists!</font>" ) );
mOkButton->setText( tr( "Overwrite" ) );
return;
}
}
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