/
qgsgrassmodule.cpp
1791 lines (1481 loc) · 49.7 KB
/
qgsgrassmodule.cpp
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/***************************************************************************
qgsgrasstools.cpp
-------------------
begin : March, 2005
copyright : (C) 2005 by Radim Blazek
email : blazek@itc.it
***************************************************************************/
/***************************************************************************
* *
* 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 <iostream>
#include <qapplication.h>
#include <qdir.h>
#include <qfile.h>
#include <qsettings.h>
#include <qpixmap.h>
#include <q3listbox.h>
#include <qstringlist.h>
#include <qlabel.h>
#include <QComboBox>
#include <qspinbox.h>
#include <qpushbutton.h>
#include <qmessagebox.h>
#include <qinputdialog.h>
#include <qsettings.h>
#include <qpainter.h>
#include <q3painter.h>
#include <qpixmap.h>
#include <qpen.h>
#include <q3pointarray.h>
#include <qcursor.h>
#include <qnamespace.h>
#include <q3listview.h>
#include <qcolordialog.h>
#include <q3table.h>
#include <qstatusbar.h>
#include <qevent.h>
#include <qpoint.h>
#include <qsize.h>
#include <qdom.h>
#include <qtabwidget.h>
#include <qlayout.h>
#include <q3process.h>
#include <q3cstring.h>
#include <qlineedit.h>
#include <q3textbrowser.h>
#include <qdir.h>
#include <qregexp.h>
#include <q3progressbar.h>
#include <q3stylesheet.h>
#include <q3groupbox.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <q3picture.h>
#include <qimage.h>
//Added by qt3to4:
#include <QVBoxLayout>
#include <QGridLayout>
#include "qgis.h"
#include "qgsapplication.h"
#include "qgsmapcanvas.h"
#include "qgsmaplayer.h"
#include "qgsvectorlayer.h"
#include "qgsdataprovider.h"
#include "qgsfield.h"
#include "qgsfeature.h"
#include "qgsfeatureattribute.h"
extern "C" {
#include <grass/gis.h>
#include <grass/Vect.h>
}
#include "../../src/providers/grass/qgsgrass.h"
#include "../../src/providers/grass/qgsgrassprovider.h"
#include "qgsgrassattributes.h"
#include "qgsgrassmodule.h"
#include "qgsgrassmapcalc.h"
#include "qgsgrasstools.h"
bool QgsGrassModule::mExecPathInited = 0;
QStringList QgsGrassModule::mExecPath;
bool QgsGrassModule::inExecPath ( QString file )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::inExecPath()" << std::endl;
#endif
// Init mExecPath
// Windows searches first in current directory
if ( !mExecPathInited )
{
QString path = getenv("PATH");
std::cerr << "path = " << path.ascii() << std::endl;
mExecPath = path.split ( ";" );
mExecPath.prepend ( QgsApplication::applicationDirPath() );
mExecPathInited = true;
}
// Search for module
for ( QStringList::iterator it = mExecPath.begin();
it != mExecPath.end(); ++it )
{
if ( QFile::exists ( *it + "/" + file ) )
{
return true;
}
}
return false;
}
QgsGrassModule::QgsGrassModule ( QgsGrassTools *tools, QgisApp *qgisApp, QgisIface *iface,
QString path, QWidget * parent, const char * name, Qt::WFlags f )
//:QgsGrassModuleBase ( parent, name, f )
//tim removed params during qt4 ui port - FIXME
:QgsGrassModuleBase ( )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule()" << std::endl;
#endif
setupUi(this);
mPath = path;
mTools = tools;
mQgisApp = qgisApp;
mIface = iface;
mCanvas = mIface->getMapCanvas();
mParent = parent;
//mAppDir = QgsApplication::applicationDirPath();
mAppDir = mTools->appDir();
/* Read module description and create options */
// Open QGIS module description
QString mpath = mPath + ".qgm";
QFile qFile ( mpath );
if ( !qFile.exists() ) {
QMessageBox::warning( 0, "Warning", "The module file (" + mpath + ") not found." );
return;
}
if ( ! qFile.open( QIODevice::ReadOnly ) ) {
QMessageBox::warning( 0, "Warning", "Cannot open module file (" + mpath + ")" );
return;
}
QDomDocument qDoc ( "qgisgrassmodule" );
QString err;
int line, column;
if ( !qDoc.setContent( &qFile, &err, &line, &column ) ) {
QString errmsg = "Cannot read module file (" + mpath + "):\n" + err + "\nat line "
+ QString::number(line) + " column " + QString::number(column);
std::cerr << errmsg.toLocal8Bit().data() << std::endl;
QMessageBox::warning( 0, "Warning", errmsg );
qFile.close();
return;
}
qFile.close();
QDomElement qDocElem = qDoc.documentElement();
// Read GRASS module description
QString xName = qDocElem.attribute("module");
// Binary modules on windows has .exe extension
// but not all modules have to be binary (can be scripts)
// => test if the module is in path and if it is not
// add .exe and test again
#ifdef WIN32
if ( inExecPath ( xName ) )
{
mXName = xName;
}
else if ( inExecPath ( xName + ".exe" ) )
{
mXName = xName + ".exe";
}
else
{
std::cerr << "Module " << xName.ascii() << " not found" << std::endl;
return;
}
#else
mXName = xName;
#endif
if ( xName == "r.mapcalc" )
{
QGridLayout *layout = new QGridLayout ( mTabWidget->page(0), 1, 1 );
mOptions = new QgsGrassMapcalc ( mTools, this,
mQgisApp, mIface, mTabWidget->page(0) );
QWidget *w = dynamic_cast<QWidget *>(mOptions);
std::cerr << "w = " << w << std::endl;
layout->addWidget ( dynamic_cast<QWidget *>(mOptions), 0, 0 );
}
else
{
mOptions = new QgsGrassModuleStandardOptions ( mTools, this,
mQgisApp, mIface, mXName, qDocElem, mTabWidget->page(0) );
}
// Create manual if available
QString gisBase = getenv("GISBASE");
QString manPath = gisBase + "/docs/html/" + xName + ".html";
QFile manFile ( manPath );
if ( manFile.exists() ) {
mManualTextBrowser->setSource ( manPath );
}
connect ( &mProcess, SIGNAL(readyReadStdout()), this, SLOT(readStdout()));
connect ( &mProcess, SIGNAL(readyReadStderr()), this, SLOT(readStderr()));
connect ( &mProcess, SIGNAL(launchFinished()), this, SLOT(finished()));
connect ( &mProcess, SIGNAL(processExited()), this, SLOT(finished()));
char *env = "GRASS_MESSAGE_FORMAT=gui";
char *envstr = new char[strlen(env)+1];
strcpy ( envstr, env );
putenv( envstr );
mOutputTextBrowser->setTextFormat(Qt::RichText);
mOutputTextBrowser->setReadOnly(TRUE);
}
/******************* QgsGrassModuleOptions *******************/
QgsGrassModuleOptions::QgsGrassModuleOptions (
QgsGrassTools *tools, QgsGrassModule *module,
QgisApp *qgisApp, QgisIface *iface )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModuleOptions()" << std::endl;
#endif
mTools = tools;
mModule = module;
mQgisApp = qgisApp;
mIface = iface;
mCanvas = mIface->getMapCanvas();
//mAppDir = QgsApplication::applicationDirPath();
mAppDir = mTools->appDir();
}
QgsGrassModuleOptions::~QgsGrassModuleOptions()
{
}
QStringList QgsGrassModuleOptions::arguments()
{
return QStringList();
}
/*************** QgsGrassModuleStandardOptions ***********************/
QgsGrassModuleStandardOptions::QgsGrassModuleStandardOptions (
QgsGrassTools *tools, QgsGrassModule *module,
QgisApp *qgisApp, QgisIface *iface,
QString xname, QDomElement qDocElem,
QWidget * parent, const char * name, Qt::WFlags f )
:QgsGrassModuleOptions( tools, module, qgisApp, iface),
QWidget ( parent, name, f )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModuleStandardOptions()" << std::endl;
std::cerr << "PATH = " << getenv ("PATH") << std::endl;
#endif
mXName = xname;
mParent = parent;
Q3Process *process = new Q3Process( this );
process->addArgument( mXName );
process->addArgument( "--interface-description" );
// Attention: if a binary has the .exe extention it must be
// also in mXName but we cannot append it here because
// the modules can also be a script => ???
// For now create in GISBASE/bin copy of each module without
// .exe extension
if ( !process->start( ) ) {
QMessageBox::warning( 0, "Warning", "Cannot start module " + mXName );
return;
}
while ( process->isRunning () ) { // TODO: check time, if it is not running too long
}
QByteArray gDescArray = process->readStdout();
QByteArray errArray = process->readStderr();
delete process;
QDomDocument gDoc ( "task" );
QString err;
int line, column;
if ( !gDoc.setContent( (QByteArray)gDescArray, &err, &line, &column ) ) {
QString errmsg = "Cannot read module description (" + mXName + "):\n" + err + "\nat line "
+ QString::number(line) + " column " + QString::number(column);
std::cerr << errmsg.toLocal8Bit().data() << std::endl;
std::cerr << QString(gDescArray).local8Bit().data() << std::endl;
std::cerr << QString(errArray).local8Bit().data() << std::endl;
QMessageBox::warning( 0, "Warning", errmsg );
return;
}
QDomElement gDocElem = gDoc.documentElement();
// Read QGIS options and create controls
QDomNode n = qDocElem.firstChild();
//QVBoxLayout *layout = new QVBoxLayout ( mTabWidget->page(0), 10 );
QVBoxLayout *layout = new QVBoxLayout ( mParent, 10 );
while( !n.isNull() ) {
QDomElement e = n.toElement();
if( !e.isNull() ) {
QString optionType = e.tagName();
//std::cout << "optionType = " << optionType << std::endl;
QString key = e.attribute("key");
std::cout << "key = " << key.toLocal8Bit().data() << std::endl;
QDomNode gnode = QgsGrassModule::nodeByKey ( gDocElem, key );
if ( gnode.isNull() ) {
QMessageBox::warning( 0, "Warning", "Cannot find key " + key );
return;
}
if ( optionType == "option" ) {
bool created = false;
// Check option type and create appropriate control
QDomNode promptNode = gnode.namedItem ( "gisprompt" );
if ( !promptNode.isNull() ) {
QDomElement promptElem = promptNode.toElement();
QString element = promptElem.attribute("element");
QString age = promptElem.attribute("age");
//std::cout << "element = " << element << " age = " << age << std::endl;
if ( age == "old" && ( element == "vector" || element == "cell") ) {
QgsGrassModuleInput *mi = new QgsGrassModuleInput (
mModule, this, key, e, gDocElem, gnode, mParent );
layout->addWidget ( mi );
created = true;
mItems.push_back(mi);
}
}
if ( !created ) {
QgsGrassModuleOption *so = new QgsGrassModuleOption (
mModule, key, e, gDocElem, gnode, mParent );
layout->addWidget ( so );
created = true;
mItems.push_back(so);
}
}
else if ( optionType == "ogr" )
{
QgsGrassModuleGdalInput *mi = new QgsGrassModuleGdalInput (
mModule, QgsGrassModuleGdalInput::Ogr, key, e,
gDocElem, gnode, mParent );
layout->addWidget ( mi );
mItems.push_back(mi);
}
else if ( optionType == "gdal" )
{
QgsGrassModuleGdalInput *mi = new QgsGrassModuleGdalInput (
mModule, QgsGrassModuleGdalInput::Gdal, key, e,
gDocElem, gnode, mParent );
layout->addWidget ( mi );
mItems.push_back(mi);
}
else if ( optionType == "field" )
{
QgsGrassModuleField *mi = new QgsGrassModuleField (
mModule, this, key, e,
gDocElem, gnode, mParent );
layout->addWidget ( mi );
mItems.push_back(mi);
}
else if ( optionType == "selection" )
{
QgsGrassModuleSelection *mi = new QgsGrassModuleSelection (
mModule, this, key, e,
gDocElem, gnode, mParent );
layout->addWidget ( mi );
mItems.push_back(mi);
}
else if ( optionType == "flag" )
{
QgsGrassModuleFlag *flag = new QgsGrassModuleFlag (
mModule, key, e, gDocElem, gnode, mParent );
layout->addWidget ( flag );
mItems.push_back(flag);
}
}
n = n.nextSibling();
}
QSpacerItem *si = new QSpacerItem ( 10, 10, QSizePolicy::Minimum, QSizePolicy::Expanding );
layout->addItem ( si );
}
QStringList QgsGrassModuleStandardOptions::arguments()
{
QStringList arg;
for ( int i = 0; i < mItems.size(); i++ )
{
QStringList list = mItems[i]->options();
for ( QStringList::Iterator it = list.begin();
it != list.end(); ++it )
{
arg.append ( *it );
}
}
return arg;
}
QgsGrassModuleItem *QgsGrassModuleStandardOptions::item ( QString id )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModuleStandardOptions::item() id = "
<< id.toLocal8Bit().data() << std::endl;
#endif
for ( int i = 0; i < mItems.size(); i++ )
{
if ( mItems[i]->id() == id )
{
return mItems[i];
}
}
QMessageBox::warning( 0, "Warning", "Item with id " + id + " not found" );
return 0;
}
QgsGrassModuleStandardOptions::~QgsGrassModuleStandardOptions()
{
}
QString QgsGrassModule::label ( QString path )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::label()" << std::endl;
#endif
// Open QGIS module description
path.append ( ".qgm" );
QFile qFile ( path );
if ( !qFile.exists() ) {
return QString ( "Not available, decription not found (" + path + ")" );
}
if ( ! qFile.open( QIODevice::ReadOnly ) ) {
return QString ( "Not available, cannot open description (" + path + ")" ) ;
}
QDomDocument qDoc ( "qgisgrassmodule" );
QString err;
int line, column;
if ( !qDoc.setContent( &qFile, &err, &line, &column ) ) {
QString errmsg = "Cannot read module file (" + path + "):\n" + err + "\nat line "
+ QString::number(line) + " column " + QString::number(column);
std::cerr << errmsg.toLocal8Bit().data() << std::endl;
QMessageBox::warning( 0, "Warning", errmsg );
qFile.close();
return QString ( "Not available, incorrect description (" + path + ")" );
}
qFile.close();
QDomElement qDocElem = qDoc.documentElement();
return ( qDocElem.attribute("label") );
}
QPixmap QgsGrassModule::pixmap ( QString path, int height )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::pixmap()" << std::endl;
#endif
std::vector<QPixmap> pixmaps;
// Create vector of available pictures
int cnt = 1;
while ( 1 )
{
// SVG
QString fpath = path + "." + QString::number(cnt) + ".svg";
QFileInfo fi ( fpath );
if ( fi.exists() )
{
Q3Picture pic;
if ( ! pic.load ( fpath, "svg" ) ) break;
QRect br = pic.boundingRect();
double scale = 1. * height / br.height();
int width = (int) ( scale * br.width() );
if ( width <= 0 ) width = height; //should not happen
QPixmap pixmap ( width, height );
pixmap.fill ( QColor(255,255,255) );
QPainter painter ( &pixmap );
painter.setRenderHint(QPainter::Antialiasing);
// I am not sure if this factor is OK
scale *= 72.0 / pixmap.logicalDpiX() ;
painter.scale ( scale, scale );
painter.drawPicture ( -br.x(), -br.y(), pic );
painter.end();
pixmaps.push_back ( pixmap );
}
else // PNG
{
fpath = path + "." + QString::number(cnt) + ".png";
fi.setFile ( fpath );
if ( !fi.exists() ) break;
QPixmap pixmap;
if ( ! pixmap.load(fpath, "PNG" ) ) break;
double scale = 1. * height / pixmap.height();
int width = (int) ( scale * pixmap.width() );
QImage img = pixmap.convertToImage();
img = img.smoothScale ( width, height );
pixmap.convertFromImage ( img );
pixmaps.push_back ( pixmap );
}
cnt++;
}
// Get total width
int width = 0;
for ( int i = 0; i < pixmaps.size(); i++ ) {
width += pixmaps[i].width();
}
if ( width <= 0 ) width = height; //should not happen
int plusWidth = 8; // +
int arrowWidth = 9; // ->
int buffer = 10; // buffer around a sign
if ( pixmaps.size() > 1 ) width += arrowWidth + 2 * buffer; // ->
if ( pixmaps.size() > 2 ) width += plusWidth + 2 * buffer; // +
QPixmap pixmap ( width, height );
pixmap.fill(QColor(255,255,255));
QPainter painter ( &pixmap );
QColor color(200,200,200);
painter.setBrush(QBrush(color));
painter.setRenderHint(QPainter::Antialiasing);
int pos = 0;
for ( int i = 0; i < pixmaps.size(); i++ ) {
if ( i == 1 && pixmaps.size() == 3 ) { // +
pos += buffer;
painter.setPen( QPen(color,3) );
painter.drawLine ( pos, height/2, pos+plusWidth, height/2 );
painter.drawLine ( pos+plusWidth/2, height/2-plusWidth/2, pos+plusWidth/2, height/2+plusWidth/2 );
pos += buffer + plusWidth;
}
if ( (i == 1 && pixmaps.size() == 2) || (i == 2 && pixmaps.size() == 3) ) { // ->
pos += buffer;
painter.setPen( QPen(color,3) );
painter.drawLine ( pos, height/2, pos+arrowWidth-arrowWidth/2, height/2 );
Q3PointArray pa(3);
pa.setPoint(0, pos+arrowWidth/2+1, height/2-arrowWidth/2);
pa.setPoint(1, pos+arrowWidth, height/2 );
pa.setPoint(2, pos+arrowWidth/2+1, height/2+arrowWidth/2);
painter.setPen( QPen(color,1) );
painter.drawPolygon ( pa );
pos += buffer + arrowWidth;
}
painter.drawPixmap ( pos,0, pixmaps[i] );
pos += pixmaps[i].width();
}
painter.end();
return pixmap;
}
void QgsGrassModule::run()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::run()" << std::endl;
#endif
if ( mProcess.isRunning() ) {
mProcess.kill();
mRunButton->setText( tr("Run") );
} else {
QString command;
if ( mProcess.isRunning() ) {
}
mProcess.clearArguments();
mProcess.addArgument( mXName );
command = mXName;
// Check if output exists
QStringList outputExists = mOptions->checkOutput();
if ( outputExists.size() > 0 )
{
int ret = QMessageBox::question ( 0, "Warning",
"Output " + outputExists.join(",")
+ " exists! Overwrite?",
QMessageBox::Yes, QMessageBox::No );
if ( ret == QMessageBox::No ) return;
mProcess.addArgument( "--o" );
command.append ( " --o" );
}
QStringList list = mOptions->arguments();
for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it ) {
std::cerr << "option: " << (*it).toLocal8Bit().data() << std::endl;
command.append ( " " + *it );
mProcess.addArgument( *it );
}
/* WARNING - TODO: there was a bug in GRASS 6.0.0 / 6.1.CVS (< 2005-04-29):
* db_start_driver set GISRC_MODE_MEMORY eviroment variable to 1 if
* G_get_gisrc_mode() == G_GISRC_MODE_MEMORY but the variable wasn't unset
* if G_get_gisrc_mode() == G_GISRC_MODE_FILE. Because QGIS GRASS provider starts drivers in
* G_GISRC_MODE_MEMORY mode, the variable remains set in variable when a module is run
* -> unset GISRC_MODE_MEMORY. Remove later once 6.1.x / 6.0.1 is widespread.
*/
putenv ( "GISRC_MODE_MEMORY" ); // unset
mProcess.start( );
std::cerr << "command" << command.toLocal8Bit().data() << std::endl;
mOutputTextBrowser->clear();
command.replace ( "&", "&" );
command.replace ( "<", "<" );
command.replace ( ">", ">" );
mOutputTextBrowser->append( "<B>" + command + "</B>" );
mTabWidget->setCurrentPage(1);
mRunButton->setText( tr("Stop") );
}
}
void QgsGrassModule::finished()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::finished()" << std::endl;
#endif
if ( mProcess.normalExit() ) {
if ( mProcess.exitStatus () == 0 ) {
mOutputTextBrowser->append( "<B>Successfully finished</B>" );
mProgressBar->setProgress ( 100, 100 );
} else {
mOutputTextBrowser->append( "<B>Finished with error</B>" );
}
} else {
mOutputTextBrowser->append( "<B>Module crashed or killed</B>" );
}
mRunButton->setText( tr("Run") );
}
void QgsGrassModule::readStdout()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::readStdout()" << std::endl;
#endif
QString line;
while ( mProcess.canReadLineStdout() ) {
line = QString::fromLocal8Bit( mProcess.readLineStdout().ascii() );
mOutputTextBrowser->append ( line );
}
}
void QgsGrassModule::readStderr()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::readStderr()" << std::endl;
#endif
QString line;
QRegExp rxpercent ( "GRASS_INFO_PERCENT: (\\d+)" );
QRegExp rxwarning ( "GRASS_INFO_WARNING\\(\\d+,\\d+\\): (.*)" );
QRegExp rxerror ( "GRASS_INFO_ERROR\\(\\d+,\\d+\\): (.*)" );
QRegExp rxend ( "GRASS_INFO_END\\(\\d+,\\d+\\)" );
while ( mProcess.canReadLineStderr() ) {
line = QString::fromLocal8Bit( mProcess.readLineStderr().ascii() );
//std::cerr << "stderr: " << line << std::endl;
if ( rxpercent.search ( line ) != -1 ) {
int progress = rxpercent.cap(1).toInt();
mProgressBar->setProgress ( progress, 100 );
} else if ( rxwarning.search ( line ) != -1 ) {
QString warn = rxwarning.cap(1);
QString img = mAppDir + "/share/qgis/themes/default/grass/grass_module_warning.png";
mOutputTextBrowser->append ( "<img src=\"" + img + "\">" + warn );
} else if ( rxerror.search ( line ) != -1 ) {
QString error = rxerror.cap(1);
QString img = mAppDir + "/share/qgis/themes/default/grass/grass_module_error.png";
mOutputTextBrowser->append ( "<img src=\"" + img + "\">" + error );
} else if ( rxend.search ( line ) != -1 ) {
// Do nothing
} else {
mOutputTextBrowser->append ( line + "\n" );
}
}
}
void QgsGrassModule::close()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::close()" << std::endl;
#endif
QTabWidget *tw = dynamic_cast<QTabWidget *>(mParent);
tw->removePage (this );
delete this;
}
QgisIface *QgsGrassModule::qgisIface() { return mIface; }
QgisApp *QgsGrassModule::qgisApp() { return mQgisApp; }
QgsGrassModule::~QgsGrassModule()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::~QgsGrassModule()" << std::endl;
#endif
}
QDomNode QgsGrassModule::nodeByKey ( QDomElement elem, QString key )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModule::nodeByKey() key = " << key.toLocal8Bit().data() << std::endl;
#endif
QDomNode n = elem.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();
}
/******************* QgsGrassModuleOption ****************************/
QgsGrassModuleOption::QgsGrassModuleOption ( QgsGrassModule *module, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
QWidget * parent)
: Q3GroupBox ( 1, Qt::Vertical, parent ),
QgsGrassModuleItem ( module, key, qdesc, gdesc, gnode ),
mIsOutput(false)
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModuleOption::QgsGrassModuleOption" << std::endl;
#endif
setSizePolicy ( QSizePolicy::Preferred, QSizePolicy::Minimum );
if ( mHidden ) hide();
QString tit;
if ( mDescription.length() > 40 ) {
tit = mDescription.left(40) + " ...";
} else {
tit = mDescription;
}
setTitle ( " " + tit + " " );
// 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;
}
}
// String without options
if ( !mHidden )
{
// Predefined values ?
QDomNode valuesNode = gnode.namedItem ( "values" );
if ( !valuesNode.isNull() ) // predefined values -> ComboBox or CheckBox
{
// one or many?
QDomElement gelem = gnode.toElement();
if ( gelem.attribute("multiple") == "yes" ) {
mControlType = CheckBoxes;
} else {
mControlType = ComboBox;
mComboBox = new QComboBox ( this );
}
// List of values to be excluded
QStringList exclude = QStringList::split ( ',', qdesc.attribute("exclude") );
QDomElement valuesElem = valuesNode.toElement();
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().stripWhiteSpace();
if ( exclude.contains(val) == 0 ) {
n = valueNode.namedItem ( "description" );
QString desc;
if ( !n.isNull() ) {
e = n.toElement();
desc = e.text().stripWhiteSpace();
} else {
desc = val;
}
desc.replace( 0, 1, desc.left(1).upper() );
if ( mControlType == ComboBox ) {
mComboBox->insertItem ( desc );
} else {
QCheckBox *cb = new QCheckBox ( desc, this );
mCheckBoxes.push_back ( cb );
}
mValues.push_back ( val );
}
}
}
valueNode = valueNode.nextSibling();
}
}
else // No values
{
// Line edit
mControlType = LineEdit;
mLineEdit = new QLineEdit ( this );
QDomNode n = gnode.namedItem ( "default" );
if ( !n.isNull() ) {
QDomElement e = n.toElement();
QString def = e.text().stripWhiteSpace();
mLineEdit->setText ( def );
}
}
}
}
QString QgsGrassModuleOption::outputExists()
{
std::cerr << "QgsGrassModuleOption::outputExists()" << std::endl;
if ( !mIsOutput ) return QString();
QString value = mLineEdit->text().trimmed();
std::cerr << "mKey = " << mKey.ascii() << std::endl;
std::cerr << "value = " << value.ascii() << std::endl;
std::cerr << "mOutputElement = " << mOutputElement.ascii() << std::endl;
if ( value.length() == 0 ) return QString();
QString path = QgsGrass::getDefaultGisdbase() + "/"
+ QgsGrass::getDefaultLocation() + "/"
+ QgsGrass::getDefaultMapset() + "/"
+ mOutputElement + "/" + value;
QFileInfo fi(path);
if ( fi.exists() )
{
return (mLineEdit->text());
}
return QString();
}
QStringList QgsGrassModuleOption::options()
{
QStringList list;
if ( mHidden ) {
list.push_back( mKey + "=" + mAnswer );
} else {
if ( mControlType == LineEdit ) {
list.push_back( mKey + "=" + mLineEdit->text() );
} else if ( mControlType == ComboBox ) {
list.push_back( mKey + "=" + mValues[mComboBox->currentItem()] );
} else if ( mControlType == CheckBoxes ) {
QString opt = mKey + "=";
int cnt = 0;
for ( int i = 0; i < mCheckBoxes.size(); i++ ) {
if ( mCheckBoxes[i]->isChecked() ) {
if ( cnt > 0 ) opt.append ( "," );
opt.append ( mValues[i] );
}
}
list.push_back( opt );
}
}
return list;
}
QgsGrassModuleOption::~QgsGrassModuleOption()
{
}
QgsGrassModuleFlag::QgsGrassModuleFlag ( QgsGrassModule *module, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
QWidget * parent)
:QCheckBox ( parent ), QgsGrassModuleItem ( module, key, qdesc, gdesc, gnode )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModuleFlag::QgsGrassModuleFlag" << std::endl;
#endif
if ( mHidden ) hide();
if ( mAnswer == "on" )
setChecked ( true );
else
setChecked ( false );
setText ( mDescription );
}
QStringList QgsGrassModuleFlag::options()
{
QStringList list;
if ( isChecked() ) {
list.push_back( "-" + mKey );
}
return list;
}
QgsGrassModuleFlag::~QgsGrassModuleFlag()
{
}
/************************** QgsGrassModuleInput ***************************/
QgsGrassModuleInput::QgsGrassModuleInput ( QgsGrassModule *module,
QgsGrassModuleStandardOptions *options, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
QWidget * parent)
: Q3GroupBox ( 1, Qt::Vertical, parent ),
QgsGrassModuleItem ( module, key, qdesc, gdesc, gnode ),
mModuleStandardOptions(options),
mUpdate(false), mVectorTypeOption(0), mVectorLayerOption(0)
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassModuleInput::QgsGrassModuleInput" << std::endl;
#endif
mVectorTypeMask = GV_POINT | GV_LINE | GV_AREA;
QString tit;
if ( mDescription.isEmpty() ) {
tit = "Input";