From c2e758ef35641d2723f5b4d48713af9592504a51 Mon Sep 17 00:00:00 2001 From: rblazek Date: Wed, 8 Mar 2006 05:57:37 +0000 Subject: [PATCH] vector info git-svn-id: http://svn.osgeo.org/qgis/trunk@4981 c8812cc2-4d05-0410-92ff-de0c093fc19c --- src/plugins/grass/qgsgrassbrowser.cpp | 2 + src/plugins/grass/qgsgrassmodel.cpp | 201 ++++++++++++++++++++++---- 2 files changed, 171 insertions(+), 32 deletions(-) diff --git a/src/plugins/grass/qgsgrassbrowser.cpp b/src/plugins/grass/qgsgrassbrowser.cpp index 4849e9403003..e388f3bbdeaf 100644 --- a/src/plugins/grass/qgsgrassbrowser.cpp +++ b/src/plugins/grass/qgsgrassbrowser.cpp @@ -36,6 +36,7 @@ #include #include #include +#include #include "qgis.h" #include "qgsapplication.h" @@ -234,6 +235,7 @@ void QgsGrassBrowser::selectionChanged(const QItemSelection & selected, const QI for (; it != indexes.end(); ++it) { mTextBrowser->append ( mModel->itemInfo(*it) ); + mTextBrowser->verticalScrollBar()->setValue(0); int type = mModel->itemType(*it); if ( type == QgsGrassModel::Raster || type == QgsGrassModel::VectorLayer ) diff --git a/src/plugins/grass/qgsgrassmodel.cpp b/src/plugins/grass/qgsgrassmodel.cpp index a523c046b29b..2337a8a28f69 100644 --- a/src/plugins/grass/qgsgrassmodel.cpp +++ b/src/plugins/grass/qgsgrassmodel.cpp @@ -31,9 +31,11 @@ #include #include #include +#include #include "qgis.h" #include "qgsapplication.h" +#include "qgsfeatureattribute.h" // TODO: remove - this is only for qgsgrassprovider.h extern "C" { #include @@ -41,6 +43,7 @@ extern "C" { } #include "../../src/providers/grass/qgsgrass.h" +#include "../../src/providers/grass/qgsgrassprovider.h" #include "qgsgrassmodel.h" #include "qgsgrassselect.h" @@ -124,6 +127,7 @@ QVariant QgsGrassModelItem::data (int role) QString QgsGrassModelItem::info() { + QString tblStart = ""; switch ( mType ) { case QgsGrassModel::Location: @@ -136,12 +140,10 @@ QString QgsGrassModelItem::info() case QgsGrassModel::Rasters: return "Location: " + mLocation + "
Mapset: " + mMapset; break; - case QgsGrassModel::Vector: - return "Vector: " + mMap; case QgsGrassModel::Raster: { - QString nl = "
"; - QString str = "Raster: " + mMap + "" + nl; + QString str = tblStart; + str += htmlTableRow("Raster", "" + mMap + "" ); struct Cell_head head; QgsGrass::setLocation( mGisbase, mLocation ); @@ -149,43 +151,41 @@ QString QgsGrassModelItem::info() if( G_get_cellhd( mMap.toLocal8Bit().data(), mMapset.toLocal8Bit().data(), &head) != 0 ) { - str += "Cannot open raster header" + nl; + str += ""; } else { - //str += QString::number(head.rows) + " rows" + nl; - str += "
Cannot open raster header
"; - str += htmlTableRow ( "rows", QString::number(head.rows)); - str += htmlTableRow ( "columns", QString::number(head.cols) ); + str += htmlTableRow ( "Rows", QString::number(head.rows)); + str += htmlTableRow ( "Columns", QString::number(head.cols) ); str += htmlTableRow ( "N-S resolution", QString::number(head.ns_res) ); str += htmlTableRow ( "E-W resolution", QString::number(head.ew_res) ); - str += htmlTableRow ( "north", QString::number(head.north) ); - str += htmlTableRow ( "south", QString::number(head.south) ); - str += htmlTableRow ( "east", QString::number(head.east) ); - str += htmlTableRow ( "west", QString::number(head.west) ); - str += "
"; + str += htmlTableRow ( "North", QString::number(head.north) ); + str += htmlTableRow ( "South", QString::number(head.south) ); + str += htmlTableRow ( "East", QString::number(head.east) ); + str += htmlTableRow ( "West", QString::number(head.west) ); int rasterType = G_raster_map_type( mMap.toLocal8Bit().data(), mMapset.toLocal8Bit().data() ); + QString format; if( rasterType == CELL_TYPE ) { - str += "integer (" + QString::number(head.format); - str += head.format==0 ? " byte)" : "bytes)"; + format = "integer (" + QString::number(head.format); + format += head.format==0 ? " byte)" : "bytes)"; } else if( rasterType == FCELL_TYPE ) { - str += "floating point (4 bytes)"; + format += "floating point (4 bytes)"; } else if( rasterType == DCELL_TYPE ) { - str += "floating point (8 bytes)"; + format += "floating point (8 bytes)"; } else { - str += "unknown"; + format += "unknown"; } - str += " format" + nl; + str += htmlTableRow ( "Format", format ); } struct FPRange range; @@ -195,8 +195,8 @@ QString QgsGrassModelItem::info() double min, max; G_get_fp_range_min_max( &range, &min, &max ); - str += QString::number(min) + " minimum value" + nl; - str += QString::number(max) + " maximum value" + nl; + str += htmlTableRow ( "Minimum value", QString::number(min)); + str += htmlTableRow ( "Maximum value", QString::number(max)); } @@ -204,22 +204,159 @@ QString QgsGrassModelItem::info() if ( G_read_history( mMap.toLocal8Bit().data(), mMapset.toLocal8Bit().data(), &hist) >= 0 ) { - str += "Data source: " + QString(hist.datsrc_1) + " " - + QString(hist.datsrc_2) + nl; - str += "Data description: " + QString(hist.keywrd) + nl; - str += "Comments: " + nl; - for (int i = 0; i < hist.edlinecnt; i++) - { - str += QString(hist.edhist[i]) + nl; - } + if ( QString(hist.datsrc_1).length() > 0 + || QString(hist.datsrc_2).length() > 0 ) + { + str += htmlTableRow ( "Data source", QString(hist.datsrc_1) + " " + + QString(hist.datsrc_2) ); + } + if ( QString(hist.keywrd).length() > 0 ) + { + str += htmlTableRow ( "Data description", QString(hist.keywrd) ); + } + if ( hist.edlinecnt > 0 ) + { + QString h; + for (int i = 0; i < hist.edlinecnt; i++) + { + h += QString(hist.edhist[i]) + "
"; + } + str += htmlTableRow ( "Comments", h); + } } + str += ""; return str; } break; + + case QgsGrassModel::Vector: + { + QString str = tblStart; + str += htmlTableRow("Vector", "" + mMap + "" ); + + QgsGrass::setLocation( mGisbase, mLocation ); + + struct Map_info Map; + int level = Vect_open_old_head ( &Map, mMap.toLocal8Bit().data(), + mMapset.toLocal8Bit().data()); + + if ( level >= 2 ) + { + int is3d = Vect_is_3d (&Map); + + // Number of elements + str += htmlTableRow ( "Points", QString::number(Vect_get_num_primitives(&Map, GV_POINT)) ); + str += htmlTableRow ( "Lines", QString::number(Vect_get_num_primitives(&Map, GV_LINE)) ); + str += htmlTableRow ( "Boundaries", QString::number(Vect_get_num_primitives(&Map, GV_BOUNDARY)) ); + str += htmlTableRow ( "Centroids", QString::number(Vect_get_num_primitives(&Map, GV_CENTROID)) ); + if ( is3d ) + { + str += htmlTableRow ( "Faces", QString::number( Vect_get_num_primitives(&Map, GV_FACE) ) ); + str += htmlTableRow ( "Kernels", QString::number( Vect_get_num_primitives(&Map, GV_KERNEL) ) ); + } + + str += htmlTableRow ( "Areas", QString::number(Vect_get_num_areas(&Map)) ); + str += htmlTableRow ( "Islands", QString::number( Vect_get_num_islands(&Map) ) ); + + + // Box and dimension + BOUND_BOX box; + char buffer[100]; + + Vect_get_map_box (&Map, &box ); + int proj = Vect_get_proj(&Map); + + G_format_northing (box.N, buffer, proj); + str += htmlTableRow ( "North", QString(buffer) ); + G_format_northing (box.S, buffer, proj); + str += htmlTableRow ( "South", QString(buffer) ); + G_format_easting (box.E, buffer, proj ); + str += htmlTableRow ( "East", QString(buffer) ); + G_format_easting (box.W, buffer, proj ); + str += htmlTableRow ( "West", QString(buffer) ); + if ( is3d ) + { + str += htmlTableRow ( "Top", QString::number(box.T) ); + str += htmlTableRow ( "Bottom", QString::number(box.B) ); + } + + str += htmlTableRow ( "3D", is3d ? "yes" : "no" ); + + str += ""; + + // History + Vect_hist_rewind ( &Map ); + char hbuffer[1001]; + str += "

History
"; + QRegExp rx ( "^-+$" ); + while ( Vect_hist_read ( hbuffer, 1000, &Map ) != NULL ) { + QString row = QString(hbuffer); + if ( rx.search ( row ) != -1 ) + { + str += "

"; + } + else + { + str += row + "
"; + } + } + } + else + { + str += ""; + } + + Vect_close (&Map); + return str; + } + break; + case QgsGrassModel::VectorLayer: - return "Vector: " + mMap + "
Layer: " + mLayer; - break; + { + QString str = tblStart; + str += htmlTableRow("Vector", "" + mMap + "" ); + str += htmlTableRow("Layer", "" + mLayer + "" ); + + QgsGrass::setLocation( mGisbase, mLocation ); + + struct Map_info Map; + int level = Vect_open_old_head ( &Map, mMap.toLocal8Bit().data(), + mMapset.toLocal8Bit().data()); + + if ( level >= 2 ) + { + struct field_info *fi; + + int field = QgsGrassProvider::grassLayer(mLayer); + if ( field != -1 ) + { + // Number of features + int type = QgsGrassProvider::grassLayerType(mLayer); + if (type != -1 ) + { + str += htmlTableRow("Features", + QString::number(Vect_cidx_get_type_count(&Map, field, type)) ); + } + + fi = Vect_get_field ( &Map, field); + + // Database link + if ( fi ) + { + str += htmlTableRow("Driver", QString(fi->driver) ); + str += htmlTableRow("Database", QString(fi->database) ); + str += htmlTableRow("Table", QString(fi->table) ); + str += htmlTableRow("Key column", QString(fi->key) ); + } + } + } + str += ""; + + Vect_close (&Map); + return str; + } + break; } return QString(); }