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qgsgrassedit.cpp
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qgsgrassedit.cpp
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/***************************************************************************
qgsgrassselect.cpp - Select GRASS layer dialog
-------------------
begin : March, 2004
copyright : (C) 2004 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 <qnamespace.h>
#include <QtGlobal>
#include <QColorDialog>
#include <Q3ListBox>
#include <Q3ListView>
#include <Q3PointArray>
#include <Q3Table>
#include <QAction>
#include <QActionGroup>
#include <QCloseEvent>
#include <QComboBox>
#include <QCursor>
#include <QDir>
#include <QEvent>
#include <QFile>
#include <QInputDialog>
#include <QLabel>
#include <QMessageBox>
#include <QPainter>
#include <QPen>
#include <QPixmap>
#include <QSettings>
#include <QSpinBox>
#include <QStatusBar>
#include <QStringList>
#include <QToolBar>
#include "qgis.h"
#include "qgisinterface.h"
#include "qgsapplication.h"
#include "qgscsexception.h"
#include "qgsmapcanvas.h"
#include "qgsmapcanvasitem.h"
#include "qgsmaplayer.h"
#include "qgsmaprender.h"
#include "qgsvectorlayer.h"
#include "qgsdataprovider.h"
#include "qgsmaptoolpan.h"
#include "qgsmaptopixel.h"
#include "qgsfield.h"
#include "qgsvertexmarker.h"
#include "qgsrubberband.h"
#include "qgsproject.h"
#include "qgslogger.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 "qgsgrassedit.h"
#include "qgsgrassedittools.h"
#include "qgsgrassutils.h"
#ifdef _MSC_VER
#define round(x) ((x) >= 0 ? floor((x)+0.5) : floor((x)-0.5))
#endif
class QgsGrassEditLayer : public QgsMapCanvasItem
{
public:
QgsGrassEditLayer(QgsMapCanvas* mapCanvas):QgsMapCanvasItem(mapCanvas)
{
}
virtual void paint(QPainter* p)
{
p->drawPixmap(0,0, mPixmap);
}
virtual QRectF boundingRect() const
{
return QRectF(0,0, mMapCanvas->width(), mMapCanvas->height());
}
virtual void updatePosition()
{
setPos(QPointF(mPanningOffset));
}
QPixmap& pixmap() { return mPixmap; }
private:
QPixmap mPixmap;
};
bool QgsGrassEdit::mRunning = false;
QgsGrassEdit::QgsGrassEdit ( QgisInterface *iface,
QWidget * parent, Qt::WFlags f )
:QMainWindow(parent,f), QgsGrassEditBase (), mInited(false),
mMapTool(0), mCanvasEdit(0), mRubberBandLine(0), mRubberBandIcon(0)
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit()" << std::endl;
#endif
setupUi(this);
mRunning = true;
mValid = false;
mTool = QgsGrassEdit::NONE;
mSuspend = false;
mIface = iface;
mNewMap = false;
mProjectionEnabled = (QgsProject::instance()->readNumEntry("SpatialRefSys","/ProjectionsEnabled",0)!=0);
mCanvas = mIface->getMapCanvas();
// TODO QGIS: crash if canvas is empty
// At moment QgisIface::activeLayer() does not work
QgsMapLayer *layer = (QgsMapLayer *) mIface->activeLayer();
if ( !isEditable(layer) ) return;
//TODO dynamic_cast ?
mLayer = (QgsVectorLayer*)layer;
//TODO dynamic_cast ?
mProvider = (QgsGrassProvider *) mLayer->getDataProvider();
init();
}
bool QgsGrassEdit::isEditable ( QgsMapLayer *layer )
{
if ( !layer ) return false;
QgsDebugMsg("layer name: " + layer->name());
if ( layer->type() != QgsMapLayer::VECTOR ) {
QgsDebugMsg("The selected layer is not vector.");
return false;
}
//TODO dynamic_cast ?
QgsVectorLayer *vector = (QgsVectorLayer*)layer;
QgsDebugMsg("Vector layer type: " + vector->providerType());
if ( vector->providerType() != "grass" ) {
QgsDebugMsg("The selected layer is not GRASS.");
return false;
}
return true;
}
void QgsGrassEdit::keyPress(QKeyEvent *e)
{
std::cerr << "QgsGrassEdit::keyPress" << std::endl;
// This does not work:
//keyPressEvent(e);
// TODO: this is not optimal
switch ( e->key() )
{
case Qt::Key_F1: newPoint(); break;
case Qt::Key_F2: newLine(); break;
case Qt::Key_F3: newBoundary(); break;
case Qt::Key_F4: newCentroid(); break;
case Qt::Key_F5: moveVertex(); break;
case Qt::Key_F6: addVertex(); break;
case Qt::Key_F7: deleteVertex(); break;
case Qt::Key_F9: moveLine(); break;
case Qt::Key_F10: splitLine(); break;
case Qt::Key_F11: deleteLine(); break;
default: break;
}
}
QgsGrassEdit::QgsGrassEdit ( QgisInterface *iface,
QgsGrassProvider *provider,
QWidget * parent, Qt::WFlags f )
:QMainWindow(parent, 0, f), QgsGrassEditBase (), mInited(false),
mMapTool(0), mCanvasEdit(0), mRubberBandLine(0), mRubberBandIcon(0)
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit()" << std::endl;
#endif
setupUi(this);
mRunning = true;
mValid = false;
mTool = QgsGrassEdit::NONE;
mSuspend = false;
mIface = iface;
mNewMap = true;
mProjectionEnabled = (QgsProject::instance()->readNumEntry("SpatialRefSys","/ProjectionsEnabled",0)!=0);
mCanvas = mIface->getMapCanvas();
mProvider = provider;
init();
}
void QgsGrassEdit::init()
{
if ( !(mProvider->isGrassEditable()) ) {
QMessageBox::warning( 0, tr("Warning"), tr("You are not owner of the mapset, "
"cannot open the vector for editing.") );
return;
}
if ( !(mProvider->startEdit()) ) {
QMessageBox::warning( 0, tr("Warning"), tr("Cannot open vector for update." ));
return;
}
connect ( mCanvas, SIGNAL(keyPressed(QKeyEvent *)), this, SLOT(keyPress(QKeyEvent *)) );
QString myIconPath = QgsApplication::themePath() + "/grass/";
mToolBar = addToolBar(tr("Edit tools"));
mNewPointAction = new QAction(
QIcon(myIconPath+"grass_new_point.png"), tr("New point"), this);
mNewPointAction->setShortcut ( QKeySequence(Qt::Key_F1) );
mToolBar->addAction ( mNewPointAction );
connect ( mNewPointAction, SIGNAL(triggered()), this, SLOT(newPoint()) );
mNewLineAction = new QAction(
QIcon(myIconPath+"grass_new_line.png"), tr("New line"), this);
mNewLineAction->setShortcut ( QKeySequence(Qt::Key_F2) );
mToolBar->addAction ( mNewLineAction );
connect ( mNewLineAction, SIGNAL(triggered()), this, SLOT(newLine()) );
mNewBoundaryAction = new QAction(
QIcon(myIconPath+"grass_new_boundary.png"), tr("New boundary"), this);
mNewBoundaryAction->setShortcut ( QKeySequence(Qt::Key_F3) );
mToolBar->addAction ( mNewBoundaryAction );
connect ( mNewBoundaryAction, SIGNAL(triggered()), this, SLOT(newBoundary()) );
mNewCentroidAction = new QAction(
QIcon(myIconPath+"grass_new_centroid.png"), tr("New centroid"), this);
mNewCentroidAction->setShortcut ( QKeySequence(Qt::Key_F4) );
mToolBar->addAction ( mNewCentroidAction );
connect ( mNewCentroidAction, SIGNAL(triggered()), this, SLOT(newCentroid()) );
mMoveVertexAction = new QAction(
QIcon(myIconPath+"grass_move_vertex.png"), tr("Move vertex"), this);
mMoveVertexAction->setShortcut ( QKeySequence(Qt::Key_F5) );
mToolBar->addAction ( mMoveVertexAction );
connect ( mMoveVertexAction, SIGNAL(triggered()), this, SLOT(moveVertex()) );
mAddVertexAction = new QAction(
QIcon(myIconPath+"grass_add_vertex.png"), tr("Add vertex"), this);
mAddVertexAction->setShortcut ( QKeySequence(Qt::Key_F6) );
mToolBar->addAction ( mAddVertexAction );
connect ( mAddVertexAction, SIGNAL(triggered()), this, SLOT(addVertex()) );
mDeleteVertexAction = new QAction(
QIcon(myIconPath+"grass_delete_vertex.png"), tr("Delete vertex"), this);
mDeleteVertexAction->setShortcut ( QKeySequence(Qt::Key_F7) );
mToolBar->addAction ( mDeleteVertexAction );
connect ( mDeleteVertexAction, SIGNAL(triggered()), this, SLOT(deleteVertex()) );
mMoveLineAction = new QAction(
QIcon(myIconPath+"grass_move_line.png"), tr("Move element"), this);
mMoveLineAction->setShortcut ( QKeySequence(Qt::Key_F9) );
mToolBar->addAction ( mMoveLineAction );
connect ( mMoveLineAction, SIGNAL(triggered()), this, SLOT(moveLine()) );
mSplitLineAction = new QAction(
QIcon(myIconPath+"grass_split_line.png"), tr("Split line"), this);
mSplitLineAction->setShortcut ( QKeySequence(Qt::Key_F10) );
mToolBar->addAction ( mSplitLineAction );
connect ( mSplitLineAction, SIGNAL(triggered()), this, SLOT(splitLine()) );
mDeleteLineAction = new QAction(
QIcon(myIconPath+"grass_delete_line.png"), tr("Delete element"), this);
mDeleteLineAction->setShortcut ( QKeySequence(Qt::Key_F11) );
mToolBar->addAction ( mDeleteLineAction );
connect ( mDeleteLineAction, SIGNAL(triggered()), this, SLOT(deleteLine()) );
mEditAttributesAction = new QAction(
QIcon(myIconPath+"grass_edit_attributes.png"), tr("Edit attributes"), this);
mToolBar->addAction ( mEditAttributesAction );
connect ( mEditAttributesAction, SIGNAL(triggered()), this, SLOT(editAttributes()) );
mCloseEditAction = new QAction(
QIcon(myIconPath+"grass_close_edit.png"), tr("Close"), this);
mToolBar->addAction ( mCloseEditAction );
connect ( mCloseEditAction, SIGNAL(triggered()), this, SLOT(closeEdit()) );
mNewPointAction->setCheckable ( true );
mNewLineAction->setCheckable ( true );
mNewBoundaryAction->setCheckable ( true );
mNewCentroidAction->setCheckable ( true );
mMoveVertexAction->setCheckable ( true );
mAddVertexAction->setCheckable ( true );
mDeleteVertexAction->setCheckable ( true );
mMoveLineAction->setCheckable ( true );
mSplitLineAction->setCheckable ( true );
mDeleteLineAction->setCheckable ( true );
mEditAttributesAction->setCheckable ( true );
QActionGroup *ag = new QActionGroup ( this );
ag->addAction ( mNewPointAction );
ag->addAction ( mNewLineAction );
ag->addAction ( mNewBoundaryAction );
ag->addAction ( mNewCentroidAction );
ag->addAction ( mMoveVertexAction );
ag->addAction ( mAddVertexAction );
ag->addAction ( mDeleteVertexAction );
ag->addAction ( mMoveLineAction );
ag->addAction ( mSplitLineAction );
ag->addAction ( mDeleteLineAction );
ag->addAction ( mEditAttributesAction );
mEditPoints = Vect_new_line_struct ();
mPoints = Vect_new_line_struct ();
mCats = Vect_new_cats_struct ();
// Set lines symbology from map
int nlines = mProvider->numLines();
mLineSymb.resize(nlines+1000);
for ( int line = 1; line <= nlines; line++ ) {
mLineSymb[line] = lineSymbFromMap ( line );
}
// Set nodes symbology from map
int nnodes = mProvider->numNodes();
mNodeSymb.resize(nnodes+1000);
for ( int node = 1; node <= nnodes; node++ ) {
mNodeSymb[node] = nodeSymbFromMap ( node );
}
// Set default colors
mSymb.resize(SYMB_COUNT);
mSymb[SYMB_BACKGROUND].setColor ( QColor ( 255, 255, 255 ) ); // white
mSymb[SYMB_HIGHLIGHT].setColor ( QColor ( 255, 255, 0 ) ); // yellow
mSymb[SYMB_DYNAMIC].setColor ( QColor ( 125, 125, 125 ) ); // grey
mSymb[SYMB_POINT].setColor ( QColor ( 0, 0, 0 ) ); // black
mSymb[SYMB_LINE].setColor ( QColor ( 0, 0, 0 ) ); // black
mSymb[SYMB_BOUNDARY_0].setColor ( QColor ( 255, 0, 0 ) ); // red
mSymb[SYMB_BOUNDARY_1].setColor ( QColor ( 255, 125, 0 ) ); // orange
mSymb[SYMB_BOUNDARY_2].setColor ( QColor ( 0, 255, 0 ) ); // green
mSymb[SYMB_CENTROID_IN].setColor ( QColor ( 0, 255, 0 ) ); // green
mSymb[SYMB_CENTROID_OUT].setColor ( QColor ( 255, 0, 0 ) ); // red
mSymb[SYMB_CENTROID_DUPL].setColor ( QColor ( 255, 0, 255 ) ); // magenta
mSymb[SYMB_NODE_1].setColor ( QColor ( 255, 0, 0 ) ); // red
mSymb[SYMB_NODE_2].setColor ( QColor ( 0, 255, 0 ) ); // green
// Set mSymbDisplay
mSymbDisplay.resize(SYMB_COUNT);
mSymbDisplay[SYMB_BACKGROUND] = true;
mSymbDisplay[SYMB_HIGHLIGHT] = true;
mSymbDisplay[SYMB_DYNAMIC] = true;
mSymbDisplay[SYMB_POINT] = true;
mSymbDisplay[SYMB_LINE] = true;
mSymbDisplay[SYMB_BOUNDARY_0] = true;
mSymbDisplay[SYMB_BOUNDARY_1] = true;
mSymbDisplay[SYMB_BOUNDARY_2] = true;
mSymbDisplay[SYMB_CENTROID_IN] = true;
mSymbDisplay[SYMB_CENTROID_OUT] = true;
mSymbDisplay[SYMB_CENTROID_DUPL] = true;
mSymbDisplay[SYMB_NODE_1] = true;
mSymbDisplay[SYMB_NODE_2] = true;
// Set symbology names
mSymbName.resize(SYMB_COUNT);
mSymbName[SYMB_BACKGROUND] = tr("Background");
mSymbName[SYMB_HIGHLIGHT] = tr("Highlight");
mSymbName[SYMB_DYNAMIC] = tr("Dynamic");
mSymbName[SYMB_POINT] = tr("Point");
mSymbName[SYMB_LINE] = tr("Line");
mSymbName[SYMB_BOUNDARY_0] = tr("Boundary (no area)");
mSymbName[SYMB_BOUNDARY_1] = tr("Boundary (1 area)");
mSymbName[SYMB_BOUNDARY_2] = tr("Boundary (2 areas)");
mSymbName[SYMB_CENTROID_IN] = tr("Centroid (in area)");
mSymbName[SYMB_CENTROID_OUT] = tr("Centroid (outside area)");
mSymbName[SYMB_CENTROID_DUPL] = tr("Centroid (duplicate in area)");
mSymbName[SYMB_NODE_1] = tr("Node (1 line)");
mSymbName[SYMB_NODE_2] = tr("Node (2 lines)");
// Restore symbology
QString spath = "/GRASS/edit/symb/";
QSettings settings;
mLineWidth = settings.readNumEntry (
spath + "lineWidth", 1 );
mSize = settings.readNumEntry (
spath + "markerSize", 9 );
mLineWidthSpinBox->setValue(mLineWidth);
mMarkerSizeSpinBox->setValue(mSize);
for ( int i = 0; i < SYMB_COUNT; i++ ) {
bool ok;
bool displ = settings.readBoolEntry (
spath + "display/" + QString::number(i),
true, &ok );
if ( ok ) {
mSymbDisplay[i] = displ;
}
QString colorName = settings.readEntry (
spath + "color/" + QString::number(i),
"", &ok );
if ( ok ) {
QColor color( colorName );
mSymb[i].setColor( color );
}
mSymb[i].setWidth( mLineWidth );
}
// Set Symbology in dialog
symbologyList->setColumnText(0,tr("Disp","Column title") );
symbologyList->setColumnWidth(0,20);
symbologyList->addColumn( tr("Color","Column title") );
symbologyList->setColumnWidth(0,50);
symbologyList->addColumn( tr("Type","Column title") );
symbologyList->setColumnWidthMode(2,Q3ListView::Maximum);
symbologyList->addColumn(tr("Index","Column title") , 0);
symbologyList->clear();
symbologyList->setSorting(-1);
for ( int i = SYMB_COUNT-1; i >= 0; i-- ) {
if ( i == SYMB_NODE_0 ) continue;
QPixmap pm ( 40, 15 );
pm.fill( mSymb[i].color() );
QString index;
index.sprintf ("%d", i );
if ( i == SYMB_BACKGROUND || i == SYMB_HIGHLIGHT || i == SYMB_DYNAMIC ) {
Q3ListViewItem *lvi = new Q3ListViewItem ( symbologyList , "", "", mSymbName[i] );
lvi->setPixmap ( 1, pm );
lvi->setText ( 3, index );
} else {
Q3CheckListItem *clvi = new Q3CheckListItem ( symbologyList , "", Q3CheckListItem::CheckBox );
clvi->setText ( 2, mSymbName[i] );
clvi->setPixmap ( 1, pm );
clvi->setOn ( mSymbDisplay[i] );
clvi->setText ( 3, index );
}
}
connect( symbologyList, SIGNAL(pressed(Q3ListViewItem *, const QPoint &, int)),
this, SLOT(changeSymbology(Q3ListViewItem *, const QPoint &, int)));
// Init table tab
mAttributeTable->setLeftMargin(0); // hide row labels
mAttributeTable->horizontalHeader()->setLabel( 0, tr("Column") );
mAttributeTable->horizontalHeader()->setLabel( 1, tr("Type") );
mAttributeTable->horizontalHeader()->setLabel( 2, tr("Length") );
int ndblinks = mProvider->numDbLinks();
if ( ndblinks > 0 ) {
for ( int i = 0; i < ndblinks; i++ ) {
int f = mProvider->dbLinkField ( i );
QString str;
str.sprintf ( "%d", f );
mTableField->insertItem ( str );
mFieldBox->insertItem( str );
if ( i == 0 ) {
setAttributeTable( f );
}
}
mTableField->setCurrentItem ( 0 );
mFieldBox->setCurrentItem ( 0 );
} else {
mTableField->insertItem ( "1" );
setAttributeTable ( 1 );
mFieldBox->insertItem("1");
}
connect( mAttributeTable, SIGNAL(valueChanged(int,int)), this, SLOT(columnTypeChanged(int,int)) );
// Set variables
mSelectedLine = 0;
mAttributes = 0;
// Read max cats
for (int i = 0; i < mProvider->cidxGetNumFields(); i++ ) {
int field = mProvider->cidxGetFieldNumber(i);
if ( field > 0 ) {
int cat = mProvider->cidxGetMaxCat(i);
MaxCat mc;
mc.field = field;
mc.maxCat = cat;
mMaxCats.push_back(mc);
}
}
connect( mCanvas, SIGNAL(renderComplete(QPainter *)), this, SLOT(postRender(QPainter *)));
mCanvasEdit = new QgsGrassEditLayer(mCanvas);
mPixmap = &mCanvasEdit->pixmap();
mRubberBandLine = new QgsRubberBand(mCanvas);
mRubberBandIcon = new QgsVertexMarker(mCanvas);
mRubberBandLine->setZValue(20);
mRubberBandIcon->setZValue(20);
// Init GUI values
mCatModeBox->insertItem( tr("Next not used"), CAT_MODE_NEXT );
mCatModeBox->insertItem( tr("Manual entry"), CAT_MODE_MANUAL );
mCatModeBox->insertItem( tr("No category"), CAT_MODE_NOCAT );
catModeChanged ( );
// TODO: how to get keyboard events from canvas (shortcuts)
restorePosition();
mValid = true;
mInited = true;
}
void QgsGrassEdit::attributeTableFieldChanged ( void )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::attributeTableFieldChanged" << std::endl;
#endif
int field = mTableField->currentText().toInt();
setAttributeTable ( field );
}
void QgsGrassEdit::setAttributeTable ( int field )
{
mAttributeTable->setNumRows ( 0 );
QString *key = mProvider->key ( field );
if ( !key->isEmpty() ) { // Database link defined
std::vector<QgsField> *cols = mProvider->columns ( field );
mAttributeTable->setNumRows ( cols->size() );
for ( unsigned int c = 0; c < cols->size(); c++ ) {
QgsField col = (*cols)[c];
Q3TableItem *ti;
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, col.name() );
ti->setEnabled( false );
mAttributeTable->setItem ( c, 0, ti );
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, col.typeName() );
ti->setEnabled( false );
mAttributeTable->setItem ( c, 1, ti );
QString str;
str.sprintf("%d", col.length() );
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, str );
ti->setEnabled( false );
mAttributeTable->setItem ( c, 2, ti );
}
} else {
mAttributeTable->setNumRows ( 1 );
Q3TableItem *ti;
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Always, "cat" );
mAttributeTable->setItem ( 0, 0, ti );
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, "integer" );
ti->setEnabled( false );
mAttributeTable->setItem ( 0, 1, ti );
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, "" );
ti->setEnabled( false );
mAttributeTable->setItem ( 0, 2, ti );
}
}
void QgsGrassEdit::addColumn ( void )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::addColumn()" << std::endl;
#endif
int r = mAttributeTable->numRows();
mAttributeTable->setNumRows( r+1 );
mAttributeTable->setRowReadOnly ( r, false );
QString cn;
cn.sprintf ( "column%d", r+1 );
Q3TableItem *ti;
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Always, cn );
mAttributeTable->setItem ( r, 0, ti );
QStringList types;
types.push_back ( "integer" );
types.push_back ( "double precision" );
types.push_back ( "varchar" );
Q3ComboTableItem *cti = new Q3ComboTableItem ( mAttributeTable, types );
cti->setCurrentItem(0);
mAttributeTable->setItem ( r, 1, cti );
ti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, "20" );
ti->setEnabled(false);
mAttributeTable->setItem ( r, 2, ti );
}
void QgsGrassEdit::columnTypeChanged ( int row, int col )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::columnChanged() row = " << row << " col = " << col << std::endl;
#endif
if ( col != 1 ) return;
Q3ComboTableItem *cti = (Q3ComboTableItem *) mAttributeTable->item ( row, 1 );
Q3TableItem *ti = mAttributeTable->item ( row, 2 );
if ( cti->currentText().compare( "varchar" ) != 0 ) {
Q3TableItem *nti = new Q3TableItem( mAttributeTable, Q3TableItem::Never, ti->text() );
nti->setEnabled(false);
mAttributeTable->setItem ( row, 2, nti );
//delete ti;
} else {
Q3TableItem *nti = new Q3TableItem( mAttributeTable, Q3TableItem::Always, ti->text() );
nti->setEnabled(true);
mAttributeTable->setItem ( row, 2, nti );
//delete ti;
}
mAttributeTable->updateCell ( row, 2 );
}
void QgsGrassEdit::alterTable ( void )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::alterTable()" << std::endl;
#endif
// Create new table if first column name is editable otherwise alter table
int field = mTableField->currentText().toInt();
Q3TableItem *ti;
ti = mAttributeTable->item ( 0, 0 );
QString sql;
if ( mAttributeTable->item(0,0)->isEnabled() ) {
#ifdef QGISDEBUG
std::cerr << "Create new table" << std::endl;
#endif
for ( int i = 0; i < mAttributeTable->numRows(); i++ ) {
if ( i > 0 ) sql.append(", " );
sql.append ( mAttributeTable->item(i,0)->text() + " " + mAttributeTable->item(i,1)->text() );
if ( mAttributeTable->item(i,1)->text().compare("varchar") == 0 ) {
sql.append ( " (" + mAttributeTable->item(i,2)->text() + ")" );
}
}
QString *error = mProvider->createTable ( field, mAttributeTable->item(0,0)->text(), sql );
if ( !error->isEmpty() ) {
QMessageBox::warning( 0, tr("Warning"), *error );
} else {
QMessageBox::information( 0, tr("Info"), tr("The table was created") );
QString str;
str.sprintf ( "%d", field );
mFieldBox->insertItem( str );
}
delete error;
} else {
#ifdef QGISDEBUG
std::cerr << "Alter table" << std::endl;
#endif
for ( int i = 0; i < mAttributeTable->numRows(); i++ ) {
if ( !(mAttributeTable->item(i,0)->isEnabled()) ) continue;
sql = mAttributeTable->item(i,0)->text() + " " + mAttributeTable->item(i,1)->text();
if ( mAttributeTable->item(i,1)->text().compare("varchar") == 0 ) {
sql.append ( " (" + mAttributeTable->item(i,2)->text() + ")" );
}
QString *error = mProvider->addColumn ( field, sql );
if ( !error->isEmpty() ) {
QMessageBox::warning( 0, tr("Warning"), *error );
}
delete error;
}
}
setAttributeTable ( field );
}
void QgsGrassEdit::changeSymbology(Q3ListViewItem * item, const QPoint & pnt, int col)
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::changeSymbology() col = " << col << std::endl;
#endif
QSettings settings;
if ( !item ) return;
int index = item->text(3).toInt();
if ( col == 0 ) {
if ( index == SYMB_BACKGROUND || index == SYMB_HIGHLIGHT || index == SYMB_DYNAMIC ) return;
Q3CheckListItem *clvi = (Q3CheckListItem *) item;
mSymbDisplay[index] = clvi->isOn();
//int ww = settings.readNumEntry("/GRASS/windows/edit/w", 420);
QString sn;
// TODO use a name instead of index
sn.sprintf( "/GRASS/edit/symb/display/%d", index );
settings.writeEntry ( sn, mSymbDisplay[index] );
} else if ( col == 1 ) {
QColor color = QColorDialog::getColor ( mSymb[index].color(), this );
mSymb[index].setColor( color );
QPixmap pm ( 40, 15 );
pm.fill( mSymb[index].color() );
item->setPixmap ( 1, pm );
QString sn;
// TODO use a name instead of index
sn.sprintf( "/GRASS/edit/symb/color/%d", index );
settings.writeEntry ( sn, mSymb[index].color().name() );
}
}
void QgsGrassEdit::lineWidthChanged()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::lineWidthChanged()" << std::endl;
#endif
QSettings settings;
mLineWidth = mLineWidthSpinBox->value();
for ( int i = 0; i < SYMB_COUNT; i++ ) {
mSymb[i].setWidth( mLineWidth );
}
QString spath = "/GRASS/edit/symb/";
settings.writeEntry ( spath + "lineWidth", mLineWidth );
}
void QgsGrassEdit::markerSizeChanged()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::markerSizeChanged()" << std::endl;
#endif
QSettings settings;
mSize = mMarkerSizeSpinBox->value();
QString spath = "/GRASS/edit/symb/";
settings.writeEntry ( spath + "markerSize", mSize );
}
void QgsGrassEdit::restorePosition()
{
QSettings settings;
int ww = settings.readNumEntry("/GRASS/windows/edit/w", 420);
int wh = settings.readNumEntry("/GRASS/windows/edit/h", 150);
int wx = settings.readNumEntry("/GRASS/windows/edit/x", 100);
int wy = settings.readNumEntry("/GRASS/windows/edit/y", 100);
resize(ww,wh);
move(wx,wy);
}
void QgsGrassEdit::saveWindowLocation()
{
QSettings settings;
QPoint p = this->pos();
QSize s = this->size();
settings.writeEntry("/GRASS/windows/edit/x", p.x());
settings.writeEntry("/GRASS/windows/edit/y", p.y());
settings.writeEntry("/GRASS/windows/edit/w", s.width());
settings.writeEntry("/GRASS/windows/edit/h", s.height());
}
void QgsGrassEdit::updateSymb ( void )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::updateSymb" << std::endl;
#endif
// Set lines symbology from map
unsigned int nlines = mProvider->numLines();
if ( nlines+1 >= mLineSymb.size() )
mLineSymb.resize(nlines+1000);
nlines = mProvider->numUpdatedLines();
for ( unsigned int i = 0; i < nlines; i++ ) {
int line = mProvider->updatedLine(i);
std::cerr << "updated line = " << line << std::endl;
if ( !(mProvider->lineAlive(line)) ) continue;
mLineSymb[line] = lineSymbFromMap ( line );
}
// Set nodes symbology from map
unsigned int nnodes = mProvider->numNodes();
if ( nnodes+1 >= mNodeSymb.size() )
mNodeSymb.resize(nnodes+1000);
nnodes = mProvider->numUpdatedNodes();
for ( unsigned int i = 0; i < nnodes; i++ ) {
int node = mProvider->updatedNode(i);
if ( !(mProvider->nodeAlive(node)) ) continue;
mNodeSymb[node] = nodeSymbFromMap ( node );
std::cerr << "node = " << node << " mNodeSymb = " << mNodeSymb[node] << std::endl;
}
}
int QgsGrassEdit::nodeSymbFromMap ( int node )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::nodeSymbFromMap() node = " << node << std::endl;
#endif
int nlines = mProvider->nodeNLines ( node );
int count = 0;
for ( int i = 0; i < nlines; i++ ) {
int line = abs ( mProvider->nodeLine(node,i) );
int type = mProvider->readLine ( NULL, NULL, line );
if ( type & GV_LINES )
count++;
}
if ( count == 0 )
return SYMB_NODE_0;
else if ( count == 1 )
return SYMB_NODE_1;
return SYMB_NODE_2;
}
int QgsGrassEdit::lineSymbFromMap ( int line )
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::lineSymbFromMap() line = " << line << std::endl;
#endif
int type = mProvider->readLine ( NULL, NULL, line );
if ( type < 0 ) return 0;
switch ( type ) {
case GV_POINT:
return SYMB_POINT;
break;
case GV_LINE:
return SYMB_LINE;
break;
case GV_BOUNDARY:
int left, right, nareas;
if ( !(mProvider->lineAreas(line, &left, &right)) ) return 0;
/* Count areas/isles on both sides */
nareas = 0;
if ( left != 0 ) nareas++;
if ( right != 0 ) nareas++;
if ( nareas == 0 ) return SYMB_BOUNDARY_0;
else if ( nareas == 1 ) return SYMB_BOUNDARY_1;
else return SYMB_BOUNDARY_2;
break;
case GV_CENTROID:
int area = mProvider->centroidArea ( line );
if ( area == 0 ) return SYMB_CENTROID_OUT;
else if ( area > 0 ) return SYMB_CENTROID_IN;
else return SYMB_CENTROID_DUPL; /* area < 0 */
break;
}
return 0; // Should not happen
}
QgsGrassEdit::~QgsGrassEdit()
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::~QgsGrassEdit()" << std::endl;
#endif
// we can only call some methods if init was complete,
// note that we cannot use mValid because it is disabled before
// destructor is called
if (mInited)
{
// delete tool if exists
delete mMapTool;
eraseDynamic();
mRubberBandLine->hide();
mRubberBandIcon->hide();
mRubberBandLine->reset();
delete mRubberBandLine;
delete mRubberBandIcon;
delete mCanvasEdit;
mCanvas->refresh();
saveWindowLocation();
}
mRunning = false;
}
bool QgsGrassEdit::isRunning(void)
{
return mRunning;
}
bool QgsGrassEdit::isValid(void)
{
return mValid;
}
void QgsGrassEdit::closeEdit(void)
{
#ifdef QGISDEBUG
std::cerr << "QgsGrassEdit::close()" << std::endl;
#endif
// Disconnect signals
// Warning: it seems that slots (postRender) can be called even
// after disconnect (is it a queue?)
disconnect( this, SLOT(postRender(QPainter *)));
mValid = false; // important for postRender
if ( mAttributes ) {
delete mAttributes;
}
mProvider->closeEdit(mNewMap);
hide();
// Add new layers
if ( mNewMap )
{
QString uri = QDir::cleanDirPath ( mProvider->dataSourceUri() );
std::cerr << "uri = " << uri.ascii() << std::endl;
// Note: QDir::cleanPath is using '/' also on Windows
//QChar sep = QDir::separator();
QChar sep = '/';
QStringList split = QStringList::split ( sep, uri );
split.pop_back(); // layer
QString map = split.last();
split.pop_back(); // map
QString mapset = split.last();
QgsGrassUtils::addVectorLayers ( mIface, QgsGrass::getDefaultGisdbase(),
QgsGrass::getDefaultLocation(),
mapset, map );
}
emit finished();
delete this;