/
qgsgrassmoduleparam.cpp
1473 lines (1246 loc) · 37.5 KB
/
qgsgrassmoduleparam.cpp
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/***************************************************************************
qgsgrassmoduleparam.cpp
-------------------
begin : August, 2015
copyright : (C) 2015 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 <QFileDialog>
#include <QFileInfo>
#include <QMessageBox>
#include <QSettings>
#include "qgis.h"
#include "qgsdatasourceuri.h"
#include "qgslogger.h"
#include "qgsmaplayer.h"
#include "qgsmaplayerregistry.h"
#include "qgsrasterlayer.h"
#include "qgsvectorlayer.h"
#include "qgsgrass.h"
#include "qgsgrassmodule.h"
#include "qgsgrassmoduleinput.h"
#include "qgsgrassmoduleparam.h"
#include "qgsgrassplugin.h"
#include "qgsgrassprovider.h"
#if 0
extern "C"
{
#if GRASS_VERSION_MAJOR < 7
#include <grass/Vect.h>
#else
#include <grass/vector.h>
#endif
}
#endif
/********************** QgsGrassModuleParam *************************/
QgsGrassModuleParam::QgsGrassModuleParam( QgsGrassModule *module, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode, bool direct )
: mModule( module )
, mKey( key )
, mMultiple( false )
, mHidden( false )
, mRequired( false )
, mDirect( direct )
{
Q_UNUSED( gdesc );
//mAnswer = qdesc.attribute("answer", "");
if ( !qdesc.attribute( "answer" ).isNull() )
{
mAnswer = qdesc.attribute( "answer" ).trimmed();
}
else
{
QDomNode n = gnode.namedItem( "default" );
if ( !n.isNull() )
{
QDomElement e = n.toElement();
mAnswer = e.text().trimmed();
}
}
if ( qdesc.attribute( "hidden" ) == "yes" )
{
mHidden = true;
}
QString label, description;
if ( !qdesc.attribute( "label" ).isEmpty() )
{
label = QApplication::translate( "grasslabel", qdesc.attribute( "label" ).trimmed().toUtf8() );
}
if ( label.isEmpty() )
{
QDomNode n = gnode.namedItem( "label" );
if ( !n.isNull() )
{
QDomElement e = n.toElement();
label = module->translate( e.text() );
}
}
QDomNode n = gnode.namedItem( "description" );
if ( !n.isNull() )
{
QDomElement e = n.toElement();
description = module->translate( e.text() );
}
if ( !label.isEmpty() )
{
mTitle = label;
mToolTip = description;
}
else
{
mTitle = description;
}
mRequired = gnode.toElement().attribute( "required" ) == "yes";
mMultiple = gnode.toElement().attribute( "multiple" ) == "yes";
mId = qdesc.attribute( "id" );
}
QgsGrassModuleParam::~QgsGrassModuleParam() {}
bool QgsGrassModuleParam::hidden()
{
return mHidden;
}
QStringList QgsGrassModuleParam::options()
{
return QStringList();
}
QString QgsGrassModuleParam::getDescPrompt( QDomElement descDomElement, const QString & name )
{
QDomNode gispromptNode = descDomElement.namedItem( "gisprompt" );
if ( !gispromptNode.isNull() )
{
QDomElement gispromptElement = gispromptNode.toElement();
if ( !gispromptElement.isNull() )
{
return gispromptElement.attribute( name );
}
}
return QString();
}
QDomNode QgsGrassModuleParam::nodeByKey( QDomElement descDomElement, QString key )
{
QgsDebugMsg( "called with key=" + key );
QDomNode n = descDomElement.firstChild();
while ( !n.isNull() )
{
QDomElement e = n.toElement();
if ( !e.isNull() )
{
if ( e.tagName() == "parameter" || e.tagName() == "flag" )
{
if ( e.attribute( "name" ) == key )
{
return n;
}
}
}
n = n.nextSibling();
}
return QDomNode();
}
QList<QDomNode> QgsGrassModuleParam::nodesByType( QDomElement descDomElement, STD_OPT optionType, const QString & age )
{
// TODO: never tested
QList<QDomNode> nodes;
// Not all options have prompt set, for example G_OPT_V_TYPE and G_OPT_V_FIELD, which would be useful, don't have prompt
QMap<QString, STD_OPT> typeMap;
#if GRASS_VERSION_MAJOR < 7
typeMap.insert( "dbtable", G_OPT_TABLE );
typeMap.insert( "dbdriver", G_OPT_DRIVER );
typeMap.insert( "dbname", G_OPT_DATABASE );
typeMap.insert( "dbcolumn", G_OPT_COLUMN );
#else
typeMap.insert( "dbtable", G_OPT_DB_TABLE );
typeMap.insert( "dbdriver", G_OPT_DB_DRIVER );
typeMap.insert( "dbname", G_OPT_DB_DATABASE );
typeMap.insert( "dbcolumn", G_OPT_DB_COLUMN );
#endif
typeMap.insert( "vector", G_OPT_V_INPUT );
QDomNode n = descDomElement.firstChild();
while ( !n.isNull() )
{
QString prompt = getDescPrompt( n.toElement(), "prompt" );
if ( typeMap.value( prompt ) == optionType )
{
if ( age.isEmpty() || getDescPrompt( n.toElement(), "age" ) == age )
{
nodes << n;
}
}
n = n.nextSibling();
}
return nodes;
}
/********************** QgsGrassModuleOption *************************/
QgsGrassModuleOption::QgsGrassModuleOption( QgsGrassModule *module, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
bool direct, QWidget * parent )
: QgsGrassModuleGroupBoxItem( module, key, qdesc, gdesc, gnode, direct, parent )
, mControlType( NoControl )
, mValueType( String )
, mOutputType( None )
, mHaveLimits( false )
, mMin( INT_MAX )
, mMax( INT_MIN )
, mComboBox( 0 )
, mIsOutput( false )
, mValidator( 0 )
, mLayout( 0 )
, mUsesRegion( false )
{
QgsDebugMsg( "entered" );
setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Minimum );
if ( mHidden )
hide();
mLayout = new QVBoxLayout();
// Is it output?
QDomNode promptNode = gnode.namedItem( "gisprompt" );
if ( !promptNode.isNull() )
{
QDomElement promptElem = promptNode.toElement();
QString element = promptElem.attribute( "element" );
QString age = promptElem.attribute( "age" );
if ( age == "new" )
{
mOutputElement = element;
mIsOutput = true;
if ( element == "vector" )
{
mOutputType = Vector;
}
else if ( element == "cell" )
{
mOutputType = Raster;
}
}
}
// String without options
if ( !mHidden )
{
QDomElement gelem = gnode.toElement();
// Output option may have missing gisprompt if output may be both vector and raster according to other options (e.g. v.kernel)
// outputType qgm attribute allows to force output type
// Predefined values ?
QDomNode valuesNode = gnode.namedItem( "values" );
QDomElement valuesElem = valuesNode.toElement(); // null if valuesNode is null
if ( !valuesNode.isNull() && valuesNode.childNodes().count() > 1 )
{
setLayout( mLayout );
// predefined values -> ComboBox or CheckBox
// one or many?
if ( gelem.attribute( "multiple" ) == "yes" )
{
mControlType = CheckBoxes;
}
else
{
mControlType = ComboBox;
mComboBox = new QComboBox( this );
mLayout->addWidget( mComboBox );
}
// List of values to be excluded
QStringList exclude = qdesc.attribute( "exclude" ).split( ',', QString::SkipEmptyParts );
QDomNode valueNode = valuesElem.firstChild();
while ( !valueNode.isNull() )
{
QDomElement valueElem = valueNode.toElement();
if ( !valueElem.isNull() && valueElem.tagName() == "value" )
{
QDomNode n = valueNode.namedItem( "name" );
if ( !n.isNull() )
{
QDomElement e = n.toElement();
QString val = e.text().trimmed();
if ( exclude.contains( val ) == 0 )
{
n = valueNode.namedItem( "description" );
QString desc;
if ( !n.isNull() )
{
e = n.toElement();
desc = e.text().trimmed();
}
else
{
desc = val;
}
desc.replace( 0, 1, desc.left( 1 ).toUpper() );
if ( mControlType == ComboBox )
{
mComboBox->addItem( desc );
if ( mAnswer.length() > 0 && desc == mAnswer )
{
mComboBox->setCurrentIndex( mComboBox->count() - 1 );
}
}
else
{
QgsGrassModuleCheckBox *cb = new QgsGrassModuleCheckBox( desc, this );
mCheckBoxes.push_back( cb );
mLayout->addWidget( cb );
}
mValues.push_back( val );
}
}
}
valueNode = valueNode.nextSibling();
}
}
else // No values
{
// Line edit
mControlType = LineEdit;
// Output option may have missing gisprompt if output may be both vector and raster according to other options (e.g. v.kernel)
// outputType qgm attribute allows to force output type
QgsDebugMsg( "outputType = " + qdesc.attribute( "outputType" ) );
if ( qdesc.hasAttribute( "outputType" ) )
{
QString outputType = qdesc.attribute( "outputType" );
mIsOutput = true;
if ( outputType == "vector" )
{
mOutputElement = "vector";
mOutputType = Vector;
}
else if ( outputType == "raster" )
{
mOutputElement = "cell";
mOutputType = Raster;
}
else
{
mErrors << tr( "Unknown outputType" ) + " : " + outputType;
}
}
if ( gelem.attribute( "type" ) == "integer" )
{
mValueType = Integer;
}
else if ( gelem.attribute( "type" ) == "float" )
{
mValueType = Double;
}
QStringList minMax;
if ( valuesNode.childNodes().count() == 1 )
{
QDomNode valueNode = valuesElem.firstChild();
QDomNode n = valueNode.namedItem( "name" );
if ( !n.isNull() )
{
QDomElement e = n.toElement();
QString val = e.text().trimmed();
minMax = val.split( "-" );
if ( minMax.size() == 2 )
{
mHaveLimits = true;
mMin = minMax.at( 0 ).toDouble();
mMax = minMax.at( 1 ).toDouble();
}
}
}
QDomNode keydescNode = gnode.namedItem( "keydesc" );
if ( !keydescNode.isNull() )
{
// fixed number of line edits
// Example:
// <keydesc>
// <item order="1">rows</item>
// <item order="2">columns</item>
// </keydesc>
QDomNodeList keydescs = keydescNode.childNodes();
for ( int k = 0; k < keydescs.count(); k++ )
{
QDomNode nodeItem = keydescs.at( k );
QString itemDesc = nodeItem.toElement().text().trimmed();
//QString itemDesc = nodeItem.firstChild().toText().data();
QgsDebugMsg( "keydesc item = " + itemDesc );
addLineEdit();
}
setLayout( mLayout );
}
else if ( gelem.attribute( "multiple" ) == "yes" )
{
// variable number of line edits
// add/delete buttons for multiple options
QHBoxLayout *l = new QHBoxLayout( this );
QVBoxLayout *vl = new QVBoxLayout();
l->insertLayout( -1, mLayout );
l->insertLayout( -1, vl );
// TODO: how to keep both buttons on the top?
QPushButton *b = new QPushButton( "+", this );
connect( b, SIGNAL( clicked() ), this, SLOT( addLineEdit() ) );
vl->addWidget( b, 0, Qt::AlignTop );
b = new QPushButton( "-", this );
connect( b, SIGNAL( clicked() ), this, SLOT( removeLineEdit() ) );
vl->addWidget( b, 0, Qt::AlignTop );
// Don't enable this, it makes the group box expanding
// vl->addStretch();
}
else
{
// only one line edit
addLineEdit();
setLayout( mLayout );
}
}
}
mUsesRegion = false;
QString region = qdesc.attribute( "region" );
if ( region.length() > 0 )
{
if ( region == "yes" )
mUsesRegion = true;
}
else
{
QgsDebugMsg( "\n\n\n\n**************************" );
QgsDebugMsg( QString( "isOutput = %1" ).arg( isOutput() ) );
QgsDebugMsg( QString( "mOutputType = %1" ).arg( mOutputType ) );
if ( isOutput() && mOutputType == Raster )
mUsesRegion = true;
}
QgsDebugMsg( QString( "mUsesRegion = %1" ).arg( mUsesRegion ) );
}
void QgsGrassModuleOption::addLineEdit()
{
QgsDebugMsg( "entered" );
// TODO make the widget growing with new lines. HOW???!!!
QLineEdit *lineEdit = new QLineEdit( this );
mLineEdits.push_back( lineEdit );
lineEdit->setText( mAnswer );
if ( mValueType == Integer )
{
if ( mHaveLimits )
{
mValidator = new QIntValidator(( int )mMin, ( int )mMax, this );
}
else
{
mValidator = new QIntValidator( this );
}
lineEdit->setValidator( mValidator );
}
else if ( mValueType == Double )
{
if ( mHaveLimits )
{
mValidator = new QDoubleValidator( mMin, mMax, 10, this );
}
else
{
mValidator = new QDoubleValidator( this );
}
lineEdit->setValidator( mValidator );
}
else if ( mIsOutput )
{
QRegExp rx;
if ( mOutputType == Vector )
{
rx.setPattern( "[A-Za-z_][A-Za-z0-9_]+" );
}
else
{
rx.setPattern( "[A-Za-z0-9_.]+" );
}
mValidator = new QRegExpValidator( rx, this );
lineEdit->setValidator( mValidator );
}
if ( mIsOutput && mDirect )
{
QHBoxLayout *l = new QHBoxLayout();
l->addWidget( lineEdit );
lineEdit->setSizePolicy( QSizePolicy::Expanding, QSizePolicy:: Preferred );
QPushButton *button = new QPushButton( tr( "Browse" ) );
l->addWidget( button );
mLayout->addItem( l );
connect( button, SIGNAL( clicked( bool ) ), this, SLOT( browse( bool ) ) );
}
else
{
mLayout->addWidget( lineEdit );
}
}
void QgsGrassModuleOption::browse( bool checked )
{
Q_UNUSED( checked );
QgsDebugMsg( "entered" );
QSettings settings;
QString lastDir = settings.value( "/GRASS/lastDirectOutputDir", "" ).toString();
QString fileName = QFileDialog::getSaveFileName( this, tr( "Output file" ), lastDir, tr( "GeoTIFF" ) + " (*.tif)" );
if ( !fileName.isEmpty() )
{
if ( !fileName.endsWith( ".tif", Qt::CaseInsensitive ) && !fileName.endsWith( ".tiff", Qt::CaseInsensitive ) )
{
fileName = fileName + ".tif";
}
mLineEdits.at( 0 )->setText( fileName );
settings.setValue( "/GRASS/lastDirectOutputDir", QFileInfo( fileName ).absolutePath() );
}
}
void QgsGrassModuleOption::removeLineEdit()
{
QgsDebugMsg( "entered" );
if ( mLineEdits.size() < 2 )
return;
delete mLineEdits.at( mLineEdits.size() - 1 );
mLineEdits.pop_back();
}
QString QgsGrassModuleOption::outputExists()
{
QgsDebugMsg( "entered" );
if ( !mIsOutput )
return QString();
QLineEdit *lineEdit = mLineEdits.at( 0 );
QString value = lineEdit->text().trimmed();
QgsDebugMsg( "mKey = " + mKey );
QgsDebugMsg( "value = " + value );
QgsDebugMsg( "mOutputElement = " + mOutputElement );
if ( value.length() == 0 )
return QString();
QString path = QgsGrass::getDefaultGisdbase() + "/"
+ QgsGrass::getDefaultLocation() + "/"
+ QgsGrass::getDefaultMapset() + "/"
+ mOutputElement + "/" + value;
QFileInfo fi( path );
if ( fi.exists() )
{
return ( lineEdit->text() );
}
return QString();
}
QString QgsGrassModuleOption::value()
{
QString value;
if ( mHidden )
{
return mAnswer;
}
else if ( mControlType == LineEdit )
{
for ( int i = 0; i < mLineEdits.size(); i++ )
{
QLineEdit *lineEdit = mLineEdits.at( i );
if ( lineEdit->text().trimmed().length() > 0 )
{
if ( value.length() > 0 )
value.append( "," );
value.append( lineEdit->text().trimmed() );
}
}
}
else if ( mControlType == ComboBox )
{
value = mValues[mComboBox->currentIndex()];
}
else if ( mControlType == CheckBoxes )
{
QStringList values;
for ( int i = 0; i < mCheckBoxes.size(); ++i )
{
if ( mCheckBoxes[i]->isChecked() )
{
values.append( mValues[i] );
}
}
value = values.join( "," );
}
return value;
}
bool QgsGrassModuleOption::checkVersion( const QString& version_min, const QString& version_max, QStringList& errors )
{
QgsDebugMsg( "version_min = " + version_min );
QgsDebugMsg( "version_max = " + version_max );
bool minOk = true;
bool maxOk = true;
QRegExp rxVersionMajor( "(\\d+)" );
QRegExp rxVersion( "(\\d+)\\.(\\d+)" );
if ( !version_min.isEmpty() )
{
if ( rxVersion.exactMatch( version_min ) )
{
int versionMajorMin = rxVersion.cap( 1 ).toInt();
int versionMinorMin = rxVersion.cap( 2 ).toInt();
if ( QgsGrass::versionMajor() < versionMajorMin || ( QgsGrass::versionMajor() == versionMajorMin && QgsGrass::versionMinor() < versionMinorMin ) )
{
minOk = false;
}
}
else if ( rxVersionMajor.exactMatch( version_min ) )
{
int versionMajorMin = rxVersionMajor.cap( 1 ).toInt();
if ( QgsGrass::versionMajor() < versionMajorMin )
{
minOk = false;
}
}
else
{
errors << tr( "Cannot parse version_min %1" ).arg( version_min );
}
}
if ( !version_max.isEmpty() )
{
if ( rxVersion.exactMatch( version_max ) )
{
int versionMajorMax = rxVersion.cap( 1 ).toInt();
int versionMinorMax = rxVersion.cap( 2 ).toInt();
if ( QgsGrass::versionMajor() > versionMajorMax || ( QgsGrass::versionMajor() == versionMajorMax && QgsGrass::versionMinor() > versionMinorMax ) )
{
maxOk = false;
}
}
else if ( rxVersionMajor.exactMatch( version_max ) )
{
int versionMajorMax = rxVersionMajor.cap( 1 ).toInt();
if ( QgsGrass::versionMajor() > versionMajorMax )
{
maxOk = false;
}
}
else
{
errors << tr( "Cannot parse version_max %1" ).arg( version_max );
}
}
return errors.isEmpty() && minOk && maxOk;
}
QStringList QgsGrassModuleOption::options()
{
QStringList list;
QString val = value();
if ( !val.isEmpty() )
{
list.push_back( mKey + "=" + val );
}
return list;
}
QString QgsGrassModuleOption::ready()
{
QgsDebugMsg( "key = " + key() );
QString error;
if ( value().isEmpty() && mRequired )
{
error.append( tr( "%1: missing value" ).arg( title() ) );
}
return error;
}
QgsGrassModuleOption::~QgsGrassModuleOption()
{
}
/***************** QgsGrassModuleFlag *********************/
QgsGrassModuleFlag::QgsGrassModuleFlag( QgsGrassModule *module, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
bool direct, QWidget * parent )
: QgsGrassModuleCheckBox( "", parent ), QgsGrassModuleParam( module, key, qdesc, gdesc, gnode, direct )
{
QgsDebugMsg( "entered" );
if ( mHidden )
hide();
if ( mAnswer == "on" )
setChecked( true );
else
setChecked( false );
setText( mTitle );
setToolTip( mToolTip );
}
QStringList QgsGrassModuleFlag::options()
{
QStringList list;
if ( isChecked() )
{
list.push_back( "-" + mKey );
}
return list;
}
QgsGrassModuleFlag::~QgsGrassModuleFlag()
{
}
/***************** QgsGrassModuleGroupBoxItem *********************/
QgsGrassModuleGroupBoxItem::QgsGrassModuleGroupBoxItem( QgsGrassModule *module, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
bool direct, QWidget * parent )
: QGroupBox( parent )
, QgsGrassModuleParam( module, key, qdesc, gdesc, gnode, direct )
{
adjustTitle();
setToolTip( mToolTip );
}
QgsGrassModuleGroupBoxItem::~QgsGrassModuleGroupBoxItem() {}
void QgsGrassModuleGroupBoxItem::resizeEvent( QResizeEvent * event )
{
Q_UNUSED( event );
adjustTitle();
setToolTip( mToolTip );
}
void QgsGrassModuleGroupBoxItem::adjustTitle()
{
QString tit = fontMetrics().elidedText( mTitle, Qt::ElideRight, width() - 20 );
setTitle( tit );
}
/***************** QgsGrassModuleGdalInput *********************/
QgsGrassModuleGdalInput::QgsGrassModuleGdalInput(
QgsGrassModule *module, Type type, QString key, QDomElement &qdesc,
QDomElement &gdesc, QDomNode &gnode, bool direct, QWidget * parent )
: QgsGrassModuleGroupBoxItem( module, key, qdesc, gdesc, gnode, direct, parent )
, mType( type )
, mOgrLayerOption( "" )
, mOgrWhereOption( "" )
{
if ( mTitle.isEmpty() )
{
mTitle = tr( "OGR/PostGIS/GDAL Input" );
}
adjustTitle();
// Check if this parameter is required
mRequired = gnode.toElement().attribute( "required" ) == "yes";
QDomNode promptNode = gnode.namedItem( "gisprompt" );
QDomElement promptElem = promptNode.toElement();
QString element = promptElem.attribute( "element" );
// Read "layeroption" is defined
QString opt = qdesc.attribute( "layeroption" );
if ( ! opt.isNull() )
{
QDomNode optNode = nodeByKey( gdesc, opt );
if ( optNode.isNull() )
{
mErrors << tr( "Cannot find layeroption %1" ).arg( opt );
}
else
{
mOgrLayerOption = opt;
}
}
// Read "whereoption" if defined
opt = qdesc.attribute( "whereoption" );
if ( !opt.isNull() )
{
QDomNode optNode = nodeByKey( gdesc, opt );
if ( optNode.isNull() )
{
mErrors << tr( "Cannot find whereoption %1" ).arg( opt );
}
else
{
mOgrWhereOption = opt;
}
}
QVBoxLayout *l = new QVBoxLayout( this );
mLayerComboBox = new QComboBox();
mLayerComboBox->setSizePolicy( QSizePolicy::Expanding, QSizePolicy:: Preferred );
l->addWidget( mLayerComboBox );
QLabel *lbl = new QLabel( tr( "Password" ) );
l->addWidget( lbl );
mLayerPassword = new QLineEdit();
mLayerPassword->setEchoMode( QLineEdit::Password );
mLayerPassword->setEnabled( false );
l->addWidget( mLayerPassword );
lbl->setBuddy( mLayerPassword );
connect( QgsMapLayerRegistry::instance(), SIGNAL( layersAdded( QList<QgsMapLayer *> ) ),
this, SLOT( updateQgisLayers() ) );
connect( QgsMapLayerRegistry::instance(), SIGNAL( layersRemoved( QStringList ) ),
this, SLOT( updateQgisLayers() ) );
// Fill in QGIS layers
updateQgisLayers();
}
void QgsGrassModuleGdalInput::updateQgisLayers()
{
QgsDebugMsg( "entered" );
QString current = mLayerComboBox->currentText();
mLayerComboBox->clear();
mUri.clear();
mOgrLayers.clear();
// If not required, add an empty item to combobox and a padding item into
// layer containers.
if ( !mRequired )
{
mUri.push_back( QString() );
mOgrLayers.push_back( QString() );
mOgrWheres.push_back( QString() );
mLayerComboBox->addItem( tr( "Select a layer" ), QVariant() );
}
foreach ( QgsMapLayer *layer, QgsMapLayerRegistry::instance()->mapLayers().values() )
{
if ( !layer ) continue;
if ( mType == Ogr && layer->type() == QgsMapLayer::VectorLayer )
{
QgsVectorLayer *vector = qobject_cast<QgsVectorLayer *>( layer );
if ( !vector ||
( vector->providerType() != "ogr" && vector->providerType() != "postgres" )
)
continue;
QgsDataProvider *provider = vector->dataProvider();
QString uri;
QString ogrLayer;
QString ogrWhere;
if ( vector->providerType() == "postgres" )
{
// Construct OGR DSN
QgsDataSourceURI dsUri( provider->dataSourceUri() );
uri = "PG:" + dsUri.connectionInfo();
// Starting with GDAL 1.7.0, it is possible to restrict the schemas
// layer names are then listed without schema if only one schema is specified
if ( !dsUri.schema().isEmpty() )
{
uri += " schemas=" + dsUri.schema();
}
ogrLayer += dsUri.table();
ogrWhere = dsUri.sql();
}
else if ( vector->providerType() == "ogr" )
{
QStringList items = provider->dataSourceUri().split( "|" );
if ( items.size() > 1 )
{
uri = items[0];
ogrLayer = "";
ogrWhere = "";
for ( int i = 1; i < items.size(); i++ )
{
QStringList args = items[i].split( "=" );
if ( args.size() != 2 )
continue;
if ( args[0] == "layername" && args[0] == "layerid" )
{
ogrLayer = args[1];
}
else if ( args[0] == "subset" )
{
ogrWhere = args[1];
}
}
if ( uri.endsWith( ".shp", Qt::CaseInsensitive ) )
{
ogrLayer = "";
}
}
else
{
uri = items[0];
ogrLayer = "";
ogrWhere = "";
}
}
QgsDebugMsg( "uri = " + uri );
QgsDebugMsg( "ogrLayer = " + ogrLayer );
mLayerComboBox->addItem( layer->name() );
if ( layer->name() == current )
mLayerComboBox->setItemText( mLayerComboBox->currentIndex(), current );
mUri.push_back( uri );
mOgrLayers.push_back( ogrLayer );
mOgrWheres.push_back( ogrWhere );
}
else if ( mType == Gdal && layer->type() == QgsMapLayer::RasterLayer )
{
QString uri = layer->source();
mLayerComboBox->addItem( layer->name() );
if ( layer->name() == current )
mLayerComboBox->setItemText( mLayerComboBox->currentIndex(), current );
mUri.push_back( uri );
mOgrLayers.push_back( "" );
mOgrWheres.push_back( "" );
}
}
}
QStringList QgsGrassModuleGdalInput::options()
{
QStringList list;
int current = mLayerComboBox->currentIndex();
if ( current < 0 )
return list;
QString opt( mKey + "=" );
if ( current >= 0 && current < mUri.size() )
{
QString uri = mUri[current];