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[GRASS] refactored vector provider, initial new editing (change geome…
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…try)
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@blazek
blazek committed Sep 16, 2015
1 parent 0a9bf95 commit 60cce74
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Showing 16 changed files with 2,740 additions and 1,643 deletions.
7 changes: 7 additions & 0 deletions src/plugins/grass/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ ENDIF (WIN32)
# Files

SET (GRASS_PLUGIN_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrasseditrenderer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrassplugin.cpp
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrassselect.cpp
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrasstools.cpp
Expand All @@ -45,6 +46,7 @@ SET (GRASS_PLUGIN_UIS
)

SET (GRASS_PLUGIN_MOC_HDRS
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrasseditrenderer.h
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrassplugin.h
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrassselect.h
${CMAKE_CURRENT_SOURCE_DIR}/qgsgrasstools.h
Expand Down Expand Up @@ -149,8 +151,13 @@ INCLUDE_DIRECTORIES(
${CMAKE_CURRENT_BINARY_DIR}
../../core
../../core/geometry
../../core/layertree
../../core/raster
../../core/symbology-ng
../../gui
../../gui/editorwidgets
../../gui/symbology-ng
../../gui/layertree
../../providers/grass
${CMAKE_CURRENT_BINARY_DIR}/../../ui
${GDAL_INCLUDE_DIR}
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279 changes: 279 additions & 0 deletions src/plugins/grass/qgsgrasseditrenderer.cpp
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@@ -0,0 +1,279 @@
/***************************************************************************
qgsgrasseditrenderer.cpp
-------------------
begin : February, 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 <QVBoxLayout>

#include "qgscategorizedsymbolrendererv2.h"
#include "qgscategorizedsymbolrendererv2widget.h"
#include "qgsfeature.h"
#include "qgslogger.h"
#include "qgsrendererv2registry.h"
#include "qgssymbollayerv2.h"
#include "qgssymbollayerv2utils.h"
#include "qgssymbolv2.h"

#include "qgsgrasseditrenderer.h"
#include "qgsgrassprovider.h"

QgsGrassEditRenderer::QgsGrassEditRenderer()
: QgsFeatureRendererV2( "grassEdit" )
, mLineRenderer( 0 )
, mMarkerRenderer( 0 )
{
QHash<int, QColor> colors;
colors.insert( QgsGrassProvider::TopoUndefined, QColor( 125, 125, 125 ) );
colors.insert( QgsGrassProvider::TopoLine, QColor( Qt::black ) );
colors.insert( QgsGrassProvider::TopoBoundary0, QColor( Qt::red ) );
colors.insert( QgsGrassProvider::TopoBoundary1, QColor( 255, 125, 0 ) );
colors.insert( QgsGrassProvider::TopoBoundary2, QColor( Qt::green ) );

QHash<int, QString> labels;
labels.insert( QgsGrassProvider::TopoUndefined, "Unknown type" );
labels.insert( QgsGrassProvider::TopoLine, "Line" );
labels.insert( QgsGrassProvider::TopoBoundary0, "Boundary (isolated)" );
labels.insert( QgsGrassProvider::TopoBoundary1, "Boundary (area on one side)" );
labels.insert( QgsGrassProvider::TopoBoundary2, "Boundary (areas on both sides)" );

QgsCategoryList categoryList;

foreach ( int value, colors.keys() )
{
QgsSymbolV2 * symbol = QgsSymbolV2::defaultSymbol( QGis::Line );
symbol->setColor( colors.value( value ) );
categoryList << QgsRendererCategoryV2( QVariant( value ), symbol, labels.value( value ) );
}

mLineRenderer = new QgsCategorizedSymbolRendererV2( "topo_symbol", categoryList );

colors.clear();
labels.clear();

colors.insert( QgsGrassProvider::TopoPoint, QColor( 0, 0, 0 ) );
colors.insert( QgsGrassProvider::TopoCentroidIn, QColor( 0, 255, 0 ) );
colors.insert( QgsGrassProvider::TopoCentroidOut, QColor( 255, 0, 0 ) );
colors.insert( QgsGrassProvider::TopoCentroidDupl, QColor( 255, 0, 255 ) );

labels.insert( QgsGrassProvider::TopoPoint, "Point" );
labels.insert( QgsGrassProvider::TopoCentroidIn, "Centroid in area" );
labels.insert( QgsGrassProvider::TopoCentroidOut, "Centroid outside area" );
labels.insert( QgsGrassProvider::TopoCentroidDupl, "Duplicate centroid" );

categoryList.clear();

foreach ( int value, colors.keys() )
{
QgsSymbolV2 * symbol = QgsSymbolV2::defaultSymbol( QGis::Point );
symbol->setColor( colors.value( value ) );
categoryList << QgsRendererCategoryV2( QVariant( value ), symbol, labels.value( value ) );
}

mMarkerRenderer = new QgsCategorizedSymbolRendererV2( "topo_symbol", categoryList );
}

QgsGrassEditRenderer::~QgsGrassEditRenderer()
{
}

void QgsGrassEditRenderer::setLineRenderer( QgsFeatureRendererV2 *renderer )
{
delete mLineRenderer;
mLineRenderer = renderer;
}
void QgsGrassEditRenderer::setMarkerRenderer( QgsFeatureRendererV2 *renderer )
{
delete mMarkerRenderer;
mMarkerRenderer = renderer;
}

QgsSymbolV2* QgsGrassEditRenderer::symbolForFeature( QgsFeature& feature, QgsRenderContext& context )
{
int symbolCode = feature.attribute( "topo_symbol" ).toInt();
QgsDebugMsgLevel( QString( "fid = %1 symbolCode = %2" ).arg( feature.id() ).arg( symbolCode ), 3 );

QgsSymbolV2* symbol = 0;
if ( symbolCode == QgsGrassProvider::TopoPoint || symbolCode == QgsGrassProvider::TopoCentroidIn ||
symbolCode == QgsGrassProvider::TopoCentroidOut || symbolCode == QgsGrassProvider::TopoCentroidDupl ||
symbolCode == QgsGrassProvider::TopoNode0 || symbolCode == QgsGrassProvider::TopoNode1 ||
symbolCode == QgsGrassProvider::TopoNode2 )
{
symbol = mMarkerRenderer->symbolForFeature( feature, context );
}
else if ( symbolCode == QgsGrassProvider::TopoLine || symbolCode == QgsGrassProvider::TopoBoundary0 ||
symbolCode == QgsGrassProvider::TopoBoundary1 || symbolCode == QgsGrassProvider::TopoBoundary2 )
{
symbol = mLineRenderer->symbolForFeature( feature, context );
}
else
{
// should not happen
QgsDebugMsg( "unknown symbol code" );
}

if ( symbol )
{
QgsDebugMsgLevel( "color = " + symbol->color().name(), 3 );
}
else
{
QgsDebugMsgLevel( "no symbol", 3 );
}

return symbol;
}

void QgsGrassEditRenderer::startRender( QgsRenderContext& context, const QgsFields& fields )
{
Q_UNUSED( fields );
// TODO better
//QgsFields topoFields;
//topoFields.append( QgsField( "topo_symbol", QVariant::Int, "int" ) );
mLineRenderer->startRender( context, fields );
mMarkerRenderer->startRender( context, fields );
}

void QgsGrassEditRenderer::stopRender( QgsRenderContext& context )
{
mLineRenderer->stopRender( context );
mMarkerRenderer->stopRender( context );
}

QList<QString> QgsGrassEditRenderer::usedAttributes()
{
return mLineRenderer->usedAttributes();
}

QgsFeatureRendererV2* QgsGrassEditRenderer::clone() const
{
QgsGrassEditRenderer* r = new QgsGrassEditRenderer();
if ( mLineRenderer )
{
r->mLineRenderer = mLineRenderer->clone();
}
if ( mMarkerRenderer )
{
r->mMarkerRenderer = mMarkerRenderer->clone();
}
return r;
}

QgsSymbolV2List QgsGrassEditRenderer::symbols( QgsRenderContext& context )
{
return mLineRenderer->symbols( context );
}

QString QgsGrassEditRenderer::dump() const
{
return "GRASS edit renderer";
}

QDomElement QgsGrassEditRenderer::save( QDomDocument& doc )
{
QgsDebugMsg( "entered" );
QDomElement rendererElem = doc.createElement( RENDERER_TAG_NAME );
rendererElem.setAttribute( "type", "grassEdit" );

QDomElement lineElem = doc.createElement( "line" );
rendererElem.appendChild( lineElem );
lineElem.appendChild( mLineRenderer->save( doc ) );

QDomElement pointElem = doc.createElement( "marker" );
rendererElem.appendChild( pointElem );
pointElem.appendChild( mMarkerRenderer->save( doc ) );

return rendererElem;
}


QgsFeatureRendererV2* QgsGrassEditRenderer::create( QDomElement& element )
{
QgsDebugMsg( "entered" );
QgsGrassEditRenderer *renderer = new QgsGrassEditRenderer();

QDomElement childElem = element.firstChildElement();
while ( !childElem.isNull() )
{
QDomElement elem = childElem.firstChildElement();
if ( !elem.isNull() )
{
QString rendererType = elem.attribute( "type" );
QgsDebugMsg( "childElem.tagName() = " + childElem.tagName() + " rendererType = " + rendererType );
QgsRendererV2AbstractMetadata* meta = QgsRendererV2Registry::instance()->rendererMetadata( rendererType );
if ( meta )
{
QgsFeatureRendererV2* subRenderer = meta->createRenderer( elem );
if ( subRenderer )
{
QgsDebugMsg( "renderer created : " + renderer->type() );
if ( childElem.tagName() == "line" )
{
renderer->setLineRenderer( subRenderer );
}
else if ( childElem.tagName() == "marker" )
{
renderer->setMarkerRenderer( subRenderer );
}
}
}
}
childElem = childElem.nextSiblingElement();
}
return renderer;
}

//--------------------------------------- QgsGrassEditRendererWidget --------------------------------------------

QgsRendererV2Widget* QgsGrassEditRendererWidget::create( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
{
QgsDebugMsg( "entered" );
return new QgsGrassEditRendererWidget( layer, style, renderer );
}

QgsGrassEditRendererWidget::QgsGrassEditRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
: QgsRendererV2Widget( layer, style )
, mRenderer( 0 )
{
QgsDebugMsg( "entered" );
mRenderer = dynamic_cast<QgsGrassEditRenderer*>( renderer->clone() );
if ( !mRenderer )
{
return;
}

QVBoxLayout* layout = new QVBoxLayout( this );

mLineRendererWidget = QgsCategorizedSymbolRendererV2Widget::create( layer, style, mRenderer->lineRenderer()->clone() );
layout->addWidget( mLineRendererWidget );

mPointRendererWidget = QgsCategorizedSymbolRendererV2Widget::create( layer, style, mRenderer->pointRenderer()->clone() );
layout->addWidget( mPointRendererWidget );
}

QgsGrassEditRendererWidget::~QgsGrassEditRendererWidget()
{
QgsDebugMsg( "entered" );
delete mRenderer;
}

QgsFeatureRendererV2* QgsGrassEditRendererWidget::renderer()
{
QgsDebugMsg( "entered" );
mRenderer->setLineRenderer( mLineRendererWidget->renderer()->clone() );
mRenderer->setMarkerRenderer( mPointRendererWidget->renderer()->clone() );
return mRenderer;
}



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