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qgswmsprojectparser.cpp
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qgswmsprojectparser.cpp
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/***************************************************************************
qgswmsprojectparser.cpp
-----------------------
begin : March 25, 2014
copyright : (C) 2014 by Marco Hugentobler
email : marco dot hugentobler at sourcepole dot ch
***************************************************************************/
/***************************************************************************
* *
* 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 "qgswmsprojectparser.h"
#include "qgsconfigcache.h"
#include "qgsconfigparserutils.h"
#include "qgslogger.h"
#include "qgsmaplayer.h"
#include "qgsmaplayerregistry.h"
#include "qgsmaplayerstylemanager.h"
#include "qgsmapserviceexception.h"
#include "qgspallabeling.h"
#include "qgsrendererv2.h"
#include "qgsvectorlayer.h"
#include "qgscomposition.h"
#include "qgscomposerarrow.h"
#include "qgscomposerattributetable.h"
#include "qgscomposerlabel.h"
#include "qgscomposerlegend.h"
#include "qgscomposermap.h"
#include "qgscomposerframe.h"
#include "qgscomposerhtml.h"
#include "qgscomposerpicture.h"
#include "qgscomposerscalebar.h"
#include "qgscomposershape.h"
#include "qgslayertreegroup.h"
#include "qgslayertreelayer.h"
#include <QFileInfo>
#include <QTextDocument>
// style name to use for the unnamed style of layers (must not be empty name in WMS)
// this implies that a layer style called "default" will not be usable in WMS server
#define EMPTY_STYLE_NAME "default"
QgsWMSProjectParser::QgsWMSProjectParser( const QString& filePath )
: QgsWMSConfigParser()
{
mProjectParser = QgsConfigCache::instance()->serverConfiguration( filePath );
mLegendLayerFont.fromString( mProjectParser->firstComposerLegendElement().attribute( "layerFont" ) );
mLegendItemFont.fromString( mProjectParser->firstComposerLegendElement().attribute( "itemFont" ) );
createTextAnnotationItems();
createSvgAnnotationItems();
}
QgsWMSProjectParser::~QgsWMSProjectParser()
{
cleanupTextAnnotationItems();
cleanupSvgAnnotationItems();
delete mProjectParser;
}
void QgsWMSProjectParser::layersAndStylesCapabilities( QDomElement& parentElement, QDomDocument& doc, const QString& version, bool fullProjectSettings ) const
{
QStringList nonIdentifiableLayers = identifyDisabledLayers();
if ( mProjectParser->projectLayerElements().size() < 1 && mProjectParser->legendGroupElements().size() < 1 )
{
return;
}
QMap<QString, QgsMapLayer *> layerMap;
mProjectParser->projectLayerMap( layerMap );
//According to the WMS spec, there can be only one toplevel layer.
//So we create an artificial one here to be in accordance with the schema
QString projTitle = mProjectParser->projectTitle();
QDomElement layerParentElem = doc.createElement( "Layer" );
layerParentElem.setAttribute( "queryable", "1" );
QDomElement layerParentNameElem = doc.createElement( "Name" );
QDomText layerParentNameText = doc.createTextNode( projTitle );
layerParentNameElem.appendChild( layerParentNameText );
layerParentElem.appendChild( layerParentNameElem );
QDomElement layerParentTitleElem = doc.createElement( "Title" );
QDomText layerParentTitleText = doc.createTextNode( projTitle );
layerParentTitleElem.appendChild( layerParentTitleText );
layerParentElem.appendChild( layerParentTitleElem );
QDomElement legendElem = mProjectParser->legendElem();
QHash<QString, QString> idNameMap;
QStringList layerIDList;
addLayers( doc, layerParentElem, legendElem, layerMap, nonIdentifiableLayers, version, fullProjectSettings, idNameMap, layerIDList );
parentElement.appendChild( layerParentElem );
mProjectParser->combineExtentAndCrsOfGroupChildren( layerParentElem, doc, true );
if ( fullProjectSettings )
{
addDrawingOrder( parentElement, doc, idNameMap, layerIDList );
}
}
QList<QgsMapLayer*> QgsWMSProjectParser::mapLayerFromStyle( const QString& lName, const QString& styleName, bool useCache ) const
{
QMap< int, QgsMapLayer* > layers;
//first check if the layer name refers an unpublished layer / group
if ( mProjectParser->restrictedLayers().contains( lName ) )
{
return QList<QgsMapLayer*>();
}
// can't use layer cache if we are going to apply a non-default style
if ( !styleName.isEmpty() )
useCache = false;
//does lName refer to a leaf layer
const QHash< QString, QDomElement > &projectLayerElements = mProjectParser->useLayerIDs() ? mProjectParser->projectLayerElementsById() : mProjectParser->projectLayerElementsByName();
QHash< QString, QDomElement >::const_iterator layerElemIt = projectLayerElements.find( lName );
if ( layerElemIt != projectLayerElements.constEnd() )
{
QgsMapLayer* ml = mProjectParser->createLayerFromElement( layerElemIt.value(), useCache );
if ( !styleName.isEmpty() )
{
// try to apply the specified style
if ( !ml->styleManager()->setCurrentStyle( styleName != EMPTY_STYLE_NAME ? styleName : QString() ) )
throw QgsMapServiceException( "StyleNotDefined", QString( "Style \"%1\" does not exist for layer \"%2\"" ).arg( styleName ).arg( lName ) );
}
return QList<QgsMapLayer*>() << ml;
}
//group or project name
QDomElement groupElement;
if ( lName == mProjectParser->projectTitle() )
{
groupElement = mProjectParser->legendElem();
}
else
{
const QList<QDomElement>& legendGroupElements = mProjectParser->legendGroupElements();
QList<QDomElement>::const_iterator groupIt = legendGroupElements.constBegin();
for ( ; groupIt != legendGroupElements.constEnd(); ++groupIt )
{
if ( groupIt->attribute( "name" ) == lName )
{
groupElement = *groupIt;
break;
}
}
}
if ( !groupElement.isNull() )
{
addLayersFromGroup( groupElement, layers, useCache );
return QgsConfigParserUtils::layerMapToList( layers, mProjectParser->updateLegendDrawingOrder() );
}
//still not found. Check if it is a single embedded layer (embedded layers are not contained in mProjectLayerElementsByName)
QDomElement legendElement = mProjectParser->legendElem();
QDomNodeList legendLayerList = legendElement.elementsByTagName( "legendlayer" );
for ( int i = 0; i < legendLayerList.size(); ++i )
{
QDomElement legendLayerElem = legendLayerList.at( i ).toElement();
if ( legendLayerElem.attribute( "name" ) == lName )
{
mProjectParser->layerFromLegendLayer( legendLayerElem, layers, useCache );
}
}
//Still not found. Probably it is a layer or a subgroup in an embedded group
//go through all groups
//check if they are embedded
//if yes, request leaf layers and groups from project parser
const QList<QDomElement>& legendGroupElements = mProjectParser->legendGroupElements();
QList<QDomElement>::const_iterator legendIt = legendGroupElements.constBegin();
for ( ; legendIt != legendGroupElements.constEnd(); ++legendIt )
{
if ( legendIt->attribute( "embedded" ) == "1" )
{
QString project = mProjectParser->convertToAbsolutePath( legendIt->attribute( "project" ) );
QgsWMSProjectParser* p = dynamic_cast<QgsWMSProjectParser*>( QgsConfigCache::instance()->wmsConfiguration( project ) );
if ( p )
{
QgsServerProjectParser* pp = p->mProjectParser;
const QHash< QString, QDomElement >& pLayerByName = pp->projectLayerElementsByName();
QHash< QString, QDomElement >::const_iterator pLayerNameIt = pLayerByName.find( lName );
if ( pLayerNameIt != pLayerByName.constEnd() )
{
return ( QList<QgsMapLayer*>() << pp->createLayerFromElement( pLayerNameIt.value(), useCache ) );
}
const QList<QDomElement>& legendGroupElements = pp->legendGroupElements();
QList<QDomElement>::const_iterator pLegendGroupIt = legendGroupElements.constBegin();
for ( ; pLegendGroupIt != legendGroupElements.constEnd(); ++pLegendGroupIt )
{
if ( pLegendGroupIt->attribute( "name" ) == lName )
{
addLayersFromGroup( *pLegendGroupIt, layers, useCache );
break;
}
}
}
}
}
if ( layers.count() == 0 )
throw QgsMapServiceException( "LayerNotDefined", QString( "Layer \"%1\" does not exist" ).arg( lName ) );
return layers.values();
}
void QgsWMSProjectParser::addLayersFromGroup( const QDomElement& legendGroupElem, QMap< int, QgsMapLayer*>& layers, bool useCache ) const
{
if ( legendGroupElem.isNull() )
{
return;
}
if ( legendGroupElem.attribute( "embedded" ) == "1" ) //embedded group
{
QString groupName = legendGroupElem.attribute( "name" );
int drawingOrder = mProjectParser->updateLegendDrawingOrder() ? legendGroupElem.attribute( "drawingOrder", "-1" ).toInt() : -1;
QString project = mProjectParser->convertToAbsolutePath( legendGroupElem.attribute( "project" ) );
QgsWMSProjectParser* p = dynamic_cast<QgsWMSProjectParser*>( QgsConfigCache::instance()->wmsConfiguration( project ) );
if ( p )
{
QgsServerProjectParser* pp = p->mProjectParser;
const QList<QDomElement>& legendGroups = pp->legendGroupElements();
QList<QDomElement>::const_iterator legendIt = legendGroups.constBegin();
for ( ; legendIt != legendGroups.constEnd(); ++legendIt )
{
if ( legendIt->attribute( "name" ) == groupName )
{
QMap< int, QgsMapLayer*> embeddedGroupLayers;
p->addLayersFromGroup( *legendIt, embeddedGroupLayers, useCache );
//reverse order because it will be reversed again afterwards in insertMulti
QList< QgsMapLayer* > embeddedLayerList = QgsConfigParserUtils::layerMapToList( embeddedGroupLayers, pp->updateLegendDrawingOrder() );
QList< QgsMapLayer* >::const_iterator layerIt = embeddedLayerList.constBegin();
for ( ; layerIt != embeddedLayerList.constEnd(); ++layerIt )
{
layers.insertMulti( drawingOrder, *layerIt );
}
}
}
}
}
else //normal group
{
QMap< int, QDomElement > layerOrderList;
QDomNodeList groupElemChildren = legendGroupElem.childNodes();
for ( int i = 0; i < groupElemChildren.size(); ++i )
{
QDomElement elem = groupElemChildren.at( i ).toElement();
if ( elem.tagName() == "legendgroup" )
{
addLayersFromGroup( elem, layers, useCache );
}
else if ( elem.tagName() == "legendlayer" )
{
mProjectParser->layerFromLegendLayer( elem, layers, useCache );
}
}
}
}
QString QgsWMSProjectParser::serviceUrl() const
{
return mProjectParser->serviceUrl();
}
QStringList QgsWMSProjectParser::wfsLayerNames() const
{
return mProjectParser->wfsLayerNames();
}
double QgsWMSProjectParser::legendBoxSpace() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 2.0 : legendElem.attribute( "boxSpace" ).toDouble();
}
double QgsWMSProjectParser::legendLayerSpace() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 3.0 : legendElem.attribute( "layerSpace" ).toDouble();
}
double QgsWMSProjectParser::legendLayerTitleSpace() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 3.0 : legendElem.attribute( "layerTitleSpace" ).toDouble();
}
double QgsWMSProjectParser::legendSymbolSpace() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 2.0 : legendElem.attribute( "symbolSpace" ).toDouble();
}
double QgsWMSProjectParser::legendIconLabelSpace() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 2.0 : legendElem.attribute( "iconLabelSpace" ).toDouble();
}
double QgsWMSProjectParser::legendSymbolWidth() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 7.0 : legendElem.attribute( "symbolWidth" ).toDouble();
}
double QgsWMSProjectParser::legendSymbolHeight() const
{
QDomElement legendElem = mProjectParser->firstComposerLegendElement();
return legendElem.isNull() ? 4.0 : legendElem.attribute( "symbolHeight" ).toDouble();
}
const QFont& QgsWMSProjectParser::legendLayerFont() const
{
return mLegendLayerFont;
}
const QFont& QgsWMSProjectParser::legendItemFont() const
{
return mLegendItemFont;
}
double QgsWMSProjectParser::maxWidth() const
{
double maxWidth = -1;
QDomElement propertiesElem = mProjectParser->propertiesElem();
if ( !propertiesElem.isNull() )
{
QDomElement maxWidthElem = propertiesElem.firstChildElement( "WMSMaxWidth" );
if ( !maxWidthElem.isNull() )
{
maxWidth = maxWidthElem.text().toInt();
}
}
return maxWidth;
}
double QgsWMSProjectParser::maxHeight() const
{
double maxHeight = -1;
QDomElement propertiesElem = mProjectParser->propertiesElem();
if ( !propertiesElem.isNull() )
{
QDomElement maxWidthElem = propertiesElem.firstChildElement( "WMSMaxHeight" );
if ( !maxWidthElem.isNull() )
{
maxHeight = maxWidthElem.text().toInt();
}
}
return maxHeight;
}
double QgsWMSProjectParser::imageQuality() const
{
double imageQuality = -1;
QDomElement propertiesElem = mProjectParser->propertiesElem();
if ( !propertiesElem.isNull() )
{
QDomElement imageQualityElem = propertiesElem.firstChildElement( "WMSImageQuality" );
if ( !imageQualityElem.isNull() )
{
imageQuality = imageQualityElem.text().toInt();
}
}
return imageQuality;
}
int QgsWMSProjectParser::WMSPrecision() const
{
int WMSPrecision = -1;
QDomElement propertiesElem = mProjectParser->propertiesElem();
if ( !propertiesElem.isNull() )
{
QDomElement WMSPrecisionElem = propertiesElem.firstChildElement( "WMSPrecision" );
if ( !WMSPrecisionElem.isNull() )
{
WMSPrecision = WMSPrecisionElem.text().toInt();
}
}
return WMSPrecision;
}
QgsComposition* QgsWMSProjectParser::initComposition( const QString& composerTemplate, QgsMapRenderer* mapRenderer, QList< QgsComposerMap* >& mapList, QList< QgsComposerLegend* >& legendList, QList< QgsComposerLabel* >& labelList, QList<const QgsComposerHtml *>& htmlList ) const
{
//Create composition from xml
QDomElement composerElem = composerByName( composerTemplate );
if ( composerElem.isNull() )
{
throw QgsMapServiceException( "Error", "Composer template not found" );
}
QDomElement compositionElem = composerElem.firstChildElement( "Composition" );
if ( compositionElem.isNull() )
{
return 0;
}
QgsComposition* composition = new QgsComposition( mapRenderer->mapSettings() ); //set resolution, paper size from composer element attributes
if ( !composition->readXML( compositionElem, *( mProjectParser->xmlDocument() ) ) )
{
delete composition;
return 0;
}
composition->addItemsFromXML( compositionElem, *( mProjectParser->xmlDocument() ) );
labelList.clear();
mapList.clear();
legendList.clear();
htmlList.clear();
QList<QgsComposerItem* > itemList;
composition->composerItems( itemList );
QList<QgsComposerItem *>::iterator itemIt = itemList.begin();
for ( ; itemIt != itemList.end(); ++itemIt )
{
QgsComposerLabel* label = dynamic_cast< QgsComposerLabel *>( *itemIt );
if ( label )
{
labelList.push_back( label );
continue;
}
QgsComposerMap* map = dynamic_cast< QgsComposerMap *>( *itemIt );
if ( map )
{
mapList.push_back( map );
continue;
}
QgsComposerLegend* legend = dynamic_cast< QgsComposerLegend *>( *itemIt );
if ( legend )
{
QgsLegendModelV2* model = legend->modelV2();
#if 0
QgsLayerTreeGroup* root = model->rootGroup();
QStringList layerIds = root->findLayerIds();
throw QgsMapServiceException( "Error", "Composer legend layerIds " + layerIds.join( " ," ) );
#endif
if ( legend->autoUpdateModel() )
{
model->setRootGroup( projectLayerTreeGroup() );
}
// if the legend has no map
// we will load all layers
const QgsComposerMap* map = legend->composerMap();
if ( !map )
{
QgsLayerTreeGroup* root = model->rootGroup();
QStringList layerIds = root->findLayerIds();
// foreach layer find in the layer tree
// load it if the layer id is not QgsMapLayerRegistry
foreach ( QString layerId, layerIds )
{
QgsMapLayer * layer = QgsMapLayerRegistry::instance()->mapLayer( layerId );
if ( layer )
{
continue;
}
QgsLayerTreeLayer* nodeLayer = root->findLayer( layerId );
if ( !nodeLayer )
{
continue;
}
layer = nodeLayer->layer();
if ( !layer )
{
const QHash< QString, QDomElement > &projectLayerElements = mProjectParser->projectLayerElementsById();
QHash< QString, QDomElement >::const_iterator layerElemIt = projectLayerElements.find( layerId );
if ( layerElemIt != projectLayerElements.constEnd() )
{
layer = mProjectParser->createLayerFromElement( layerElemIt.value(), true );
}
}
QgsMapLayerRegistry::instance()->addMapLayer( layer );
}
legend->updateLegend();
}
legendList.push_back( legend );
continue;
}
QgsComposerPicture* pic = dynamic_cast< QgsComposerPicture *>( *itemIt );
if ( pic )
{
pic->setPicturePath( mProjectParser->convertToAbsolutePath(( pic )->picturePath() ) );
continue;
}
// an html item will be a composer frame and if it is we can try to get
// its multiframe parent and then try to cast that to a composer html
const QgsComposerFrame* frame = dynamic_cast<const QgsComposerFrame *>( *itemIt );
if ( frame )
{
const QgsComposerMultiFrame * multiFrame = frame->multiFrame();
const QgsComposerHtml* composerHtml = dynamic_cast<const QgsComposerHtml *>( multiFrame );
if ( composerHtml )
{
htmlList.push_back( composerHtml );
continue;
}
}
}
return composition;
}
void QgsWMSProjectParser::printCapabilities( QDomElement& parentElement, QDomDocument& doc ) const
{
if ( !mProjectParser->xmlDocument() )
{
return;
}
QList<QDomElement> composerElemList = mProjectParser->publishedComposerElements();
if ( composerElemList.size() < 1 )
{
return;
}
QDomElement composerTemplatesElem = doc.createElement( "ComposerTemplates" );
QList<QDomElement>::const_iterator composerElemIt = composerElemList.constBegin();
for ( ; composerElemIt != composerElemList.constEnd(); ++composerElemIt )
{
QDomElement composerTemplateElem = doc.createElement( "ComposerTemplate" );
QDomElement currentComposerElem = *composerElemIt;
if ( currentComposerElem.isNull() )
{
continue;
}
composerTemplateElem.setAttribute( "name", currentComposerElem.attribute( "title" ) );
//get paper width and hight in mm from composition
QDomElement compositionElem = currentComposerElem.firstChildElement( "Composition" );
if ( compositionElem.isNull() )
{
continue;
}
composerTemplateElem.setAttribute( "width", compositionElem.attribute( "paperWidth" ) );
composerTemplateElem.setAttribute( "height", compositionElem.attribute( "paperHeight" ) );
//add available composer maps and their size in mm
QDomNodeList composerMapList = currentComposerElem.elementsByTagName( "ComposerMap" );
for ( int j = 0; j < composerMapList.size(); ++j )
{
QDomElement cmap = composerMapList.at( j ).toElement();
QDomElement citem = cmap.firstChildElement( "ComposerItem" );
if ( citem.isNull() )
{
continue;
}
QDomElement composerMapElem = doc.createElement( "ComposerMap" );
composerMapElem.setAttribute( "name", "map" + cmap.attribute( "id" ) );
composerMapElem.setAttribute( "width", citem.attribute( "width" ) );
composerMapElem.setAttribute( "height", citem.attribute( "height" ) );
composerTemplateElem.appendChild( composerMapElem );
}
//add available composer labels
QDomNodeList composerLabelList = currentComposerElem.elementsByTagName( "ComposerLabel" );
for ( int j = 0; j < composerLabelList.size(); ++j )
{
QDomElement citem = composerLabelList.at( j ).firstChildElement( "ComposerItem" );
QString id = citem.attribute( "id" );
if ( id.isEmpty() ) //only export labels with ids for text replacement
{
continue;
}
QDomElement composerLabelElem = doc.createElement( "ComposerLabel" );
composerLabelElem.setAttribute( "name", id );
composerTemplateElem.appendChild( composerLabelElem );
}
//add available composer HTML
QDomNodeList composerHtmlList = currentComposerElem.elementsByTagName( "ComposerHtml" );
for ( int j = 0; j < composerHtmlList.size(); ++j )
{
QDomElement citem = composerHtmlList.at( j ).firstChildElement( "ComposerFrame" ).firstChildElement( "ComposerItem" );
QString id = citem.attribute( "id" );
if ( id.isEmpty() ) //only export labels with ids for text replacement
{
continue;
}
QDomElement composerHtmlElem = doc.createElement( "ComposerHtml" );
composerHtmlElem.setAttribute( "name", id );
composerTemplateElem.appendChild( composerHtmlElem );
}
composerTemplatesElem.appendChild( composerTemplateElem );
}
parentElement.appendChild( composerTemplatesElem );
}
QList< QPair< QString, QgsLayerCoordinateTransform > > QgsWMSProjectParser::layerCoordinateTransforms() const
{
return mProjectParser->layerCoordinateTransforms();
}
void QgsWMSProjectParser::owsGeneralAndResourceList( QDomElement& parentElement, QDomDocument& doc, const QString& strHref ) const
{
// set parentElement id
QFileInfo projectFileInfo( mProjectParser->projectPath() );
parentElement.setAttribute( "id", "ows-context-" + projectFileInfo.baseName() );
QDomElement propertiesElem = mProjectParser->propertiesElem();
if ( propertiesElem.isNull() )
{
QFile wmsService( "wms_metadata.xml" );
if ( wmsService.open( QIODevice::ReadOnly ) )
{
QDomDocument externServiceDoc;
QString parseError;
int errorLineNo;
if ( externServiceDoc.setContent( &wmsService, false, &parseError, &errorLineNo ) )
{
wmsService.close();
QDomElement service = externServiceDoc.firstChildElement();
parentElement.appendChild( service );
}
}
return;
}
// OWSContext General element
QDomElement generalElem = doc.createElement( "General" );
QDomElement windowElem = doc.createElement( "Window" );
windowElem.setAttribute( "height", "600" );
windowElem.setAttribute( "width", "800" );
generalElem.appendChild( windowElem );
//WMS title
QDomElement titleElem = propertiesElem.firstChildElement( "WMSServiceTitle" );
if ( !titleElem.isNull() )
{
QDomElement wmsTitleElem = doc.createElement( "ows:Title" );
QDomText wmsTitleText = doc.createTextNode( titleElem.text() );
wmsTitleElem.appendChild( wmsTitleText );
generalElem.appendChild( wmsTitleElem );
}
//WMS abstract
QDomElement abstractElem = propertiesElem.firstChildElement( "WMSServiceAbstract" );
if ( !abstractElem.isNull() )
{
QDomElement wmsAbstractElem = doc.createElement( "ows:Abstract" );
QDomText wmsAbstractText = doc.createTextNode( abstractElem.text() );
wmsAbstractElem.appendChild( wmsAbstractText );
generalElem.appendChild( wmsAbstractElem );
}
//keyword list
QDomElement keywordListElem = propertiesElem.firstChildElement( "WMSKeywordList" );
if ( !keywordListElem.isNull() && !keywordListElem.text().isEmpty() )
{
bool siaFormat = featureInfoFormatSIA2045();
QDomElement keywordsElem = doc.createElement( "ows:Keywords" );
QDomNodeList keywordList = keywordListElem.elementsByTagName( "value" );
for ( int i = 0; i < keywordList.size(); ++i )
{
QDomElement keywordElem = doc.createElement( "ows:Keyword" );
QDomText keywordText = doc.createTextNode( keywordList.at( i ).toElement().text() );
keywordElem.appendChild( keywordText );
if ( siaFormat )
{
keywordElem.setAttribute( "vocabulary", "SIA_Geo405" );
}
keywordsElem.appendChild( keywordElem );
}
if ( keywordList.size() > 0 )
{
generalElem.appendChild( keywordsElem );
}
}
parentElement.appendChild( generalElem );
// OWSContext ResourceList element
QStringList nonIdentifiableLayers = identifyDisabledLayers();
if ( mProjectParser->projectLayerElements().size() < 1 )
{
return;
}
QgsRectangle combinedBBox;
QMap<QString, QgsMapLayer *> layerMap;
mProjectParser->projectLayerMap( layerMap );
QDomElement legendElem = mProjectParser->legendElem();
QDomElement resourceListElem = doc.createElement( "ResourceList" );
addOWSLayers( doc, resourceListElem, legendElem, layerMap, nonIdentifiableLayers, strHref, combinedBBox, "" );
parentElement.appendChild( resourceListElem );
QgsRectangle mapRect = mProjectParser->mapRectangle();
if ( !mapRect.isEmpty() )
{
combinedBBox = mapRect;
}
const QgsCoordinateReferenceSystem& projectCrs = mProjectParser->projectCRS();
QDomElement bboxElem = doc.createElement( "ows:BoundingBox" );
bboxElem.setAttribute( "crs", projectCrs.authid() );
if ( projectCrs.axisInverted() )
{
combinedBBox.invert();
}
QDomElement lowerCornerElem = doc.createElement( "ows:LowerCorner" );
QDomText lowerCornerText = doc.createTextNode( QString::number( combinedBBox.xMinimum() ) + " " + QString::number( combinedBBox.yMinimum() ) );
lowerCornerElem.appendChild( lowerCornerText );
bboxElem.appendChild( lowerCornerElem );
QDomElement upperCornerElem = doc.createElement( "ows:UpperCorner" );
QDomText upperCornerText = doc.createTextNode( QString::number( combinedBBox.xMaximum() ) + " " + QString::number( combinedBBox.yMaximum() ) );
upperCornerElem.appendChild( upperCornerText );
bboxElem.appendChild( upperCornerElem );
generalElem.appendChild( bboxElem );
}
QStringList QgsWMSProjectParser::identifyDisabledLayers() const
{
QStringList disabledList;
const QDomDocument* projectDoc = mProjectParser->xmlDocument();
if ( !projectDoc )
{
return disabledList;
}
QDomElement qgisElem = projectDoc->documentElement();
if ( qgisElem.isNull() )
{
return disabledList;
}
QDomElement propertiesElem = qgisElem.firstChildElement( "properties" );
if ( propertiesElem.isNull() )
{
return disabledList;
}
QDomElement identifyElem = propertiesElem.firstChildElement( "Identify" );
if ( identifyElem.isNull() )
{
return disabledList;
}
QDomElement disabledLayersElem = identifyElem.firstChildElement( "disabledLayers" );
if ( disabledLayersElem.isNull() )
{
return disabledList;
}
QDomNodeList valueList = disabledLayersElem.elementsByTagName( "value" );
for ( int i = 0; i < valueList.size(); ++i )
{
disabledList << valueList.at( i ).toElement().text();
}
return disabledList;
}
void QgsWMSProjectParser::addDrawingOrder( QDomElement& parentElem, QDomDocument& doc, const QHash<QString, QString> &idNameMap, const QStringList &layerIDList ) const
{
QStringList layerList( mProjectParser->customLayerOrder() );
if ( layerList.isEmpty() )
{
layerList = layerIDList;
}
if ( !mProjectParser->useLayerIDs() )
{
int i = 0;
while ( i < layerList.size() )
{
if ( idNameMap.contains( layerList[i] ) )
{
layerList[i] = idNameMap[ layerList[i] ];
++i;
}
else
{
QgsDebugMsg( "layer not found" );
layerList.removeAt( i );
}
}
}
if ( !layerList.isEmpty() )
{
QStringList reversedList;
for ( int i = layerList.size() - 1; i >= 0; --i )
reversedList << layerList[ i ];
QDomElement layerDrawingOrderElem = doc.createElement( "LayerDrawingOrder" );
QDomText drawingOrderText = doc.createTextNode( reversedList.join( "," ) );
layerDrawingOrderElem.appendChild( drawingOrderText );
parentElem.appendChild( layerDrawingOrderElem );
}
}
void QgsWMSProjectParser::addLayerStyles( QgsMapLayer* currentLayer, QDomDocument& doc, QDomElement& layerElem, const QString& version ) const
{
foreach ( QString styleName, currentLayer->styleManager()->styles() )
{
if ( styleName.isEmpty() )
styleName = EMPTY_STYLE_NAME;
QDomElement styleElem = doc.createElement( "Style" );
QDomElement styleNameElem = doc.createElement( "Name" );
QDomText styleNameText = doc.createTextNode( styleName );
styleNameElem.appendChild( styleNameText );
QDomElement styleTitleElem = doc.createElement( "Title" );
QDomText styleTitleText = doc.createTextNode( styleName );
styleTitleElem.appendChild( styleTitleText );
styleElem.appendChild( styleNameElem );
styleElem.appendChild( styleTitleElem );
// QString LegendURL for explicit layerbased GetLegendGraphic request
QDomElement getLayerLegendGraphicElem = doc.createElement( "LegendURL" );
QString hrefString = currentLayer->legendUrl();
bool customHrefString;
if ( !hrefString.isEmpty() )
{
customHrefString = true;
}
else
{
customHrefString = false;
hrefString = serviceUrl();
}
if ( hrefString.isEmpty() )
{
hrefString = getCapaServiceUrl( doc );
}
if ( !hrefString.isEmpty() )
{
QStringList getLayerLegendGraphicFormats;
if ( !customHrefString )
{
getLayerLegendGraphicFormats << "image/png"; // << "jpeg" << "image/jpeg"
}
else
{
getLayerLegendGraphicFormats << currentLayer->legendUrlFormat();
}
for ( int i = 0; i < getLayerLegendGraphicFormats.size(); ++i )
{
QDomElement getLayerLegendGraphicFormatElem = doc.createElement( "Format" );
QString getLayerLegendGraphicFormat = getLayerLegendGraphicFormats[i];
QDomText getLayerLegendGraphicFormatText = doc.createTextNode( getLayerLegendGraphicFormat );
getLayerLegendGraphicFormatElem.appendChild( getLayerLegendGraphicFormatText );
getLayerLegendGraphicElem.appendChild( getLayerLegendGraphicFormatElem );
}
// no parameters on custom hrefUrl, because should link directly to graphic
if ( !customHrefString )
{
QUrl mapUrl( hrefString );
mapUrl.addQueryItem( "SERVICE", "WMS" );
mapUrl.addQueryItem( "VERSION", version );
mapUrl.addQueryItem( "REQUEST", "GetLegendGraphic" );
mapUrl.addQueryItem( "LAYER", mProjectParser->useLayerIDs() ? currentLayer->id() : currentLayer->name() );
mapUrl.addQueryItem( "FORMAT", "image/png" );
mapUrl.addQueryItem( "STYLE", styleNameText.data() );
if ( version == "1.3.0" )
{
mapUrl.addQueryItem( "SLD_VERSION", "1.1.0" );
}
hrefString = mapUrl.toString();
}
QDomElement getLayerLegendGraphicORElem = doc.createElement( "OnlineResource" );
getLayerLegendGraphicORElem.setAttribute( "xmlns:xlink", "http://www.w3.org/1999/xlink" );
getLayerLegendGraphicORElem.setAttribute( "xlink:type", "simple" );
getLayerLegendGraphicORElem.setAttribute( "xlink:href", hrefString );
getLayerLegendGraphicElem.appendChild( getLayerLegendGraphicORElem );
styleElem.appendChild( getLayerLegendGraphicElem );
}
layerElem.appendChild( styleElem );
}
}
void QgsWMSProjectParser::addLayers( QDomDocument &doc,
QDomElement &parentLayer,
const QDomElement &legendElem,
const QMap<QString, QgsMapLayer *> &layerMap,
const QStringList &nonIdentifiableLayers,
QString version, //1.1.1 or 1.3.0
bool fullProjectSettings,
QHash<QString, QString> &idNameMap,
QStringList &layerIDList ) const
{
QDomNodeList legendChildren = legendElem.childNodes();
for ( int i = 0; i < legendChildren.size(); ++i )
{
QDomElement currentChildElem = legendChildren.at( i ).toElement();
QDomElement layerElem = doc.createElement( "Layer" );
if ( fullProjectSettings )
{
layerElem.setAttribute( "visible", currentChildElem.attribute( "checked" ) != "Qt::Unchecked" );
}
if ( currentChildElem.tagName() == "legendgroup" )
{
layerElem.setAttribute( "queryable", "1" );
QString name = currentChildElem.attribute( "name" );
if ( mProjectParser->restrictedLayers().contains( name ) ) //unpublished group
{
continue;
}
QDomElement nameElem = doc.createElement( "Name" );
QDomText nameText = doc.createTextNode( name );
nameElem.appendChild( nameText );
layerElem.appendChild( nameElem );
QDomElement titleElem = doc.createElement( "Title" );
QDomText titleText = doc.createTextNode( name );
titleElem.appendChild( titleText );
layerElem.appendChild( titleElem );
if ( currentChildElem.attribute( "embedded" ) == "1" )
{
//add layers from other project files and embed into this group
QString project = mProjectParser->convertToAbsolutePath( currentChildElem.attribute( "project" ) );
QgsDebugMsg( QString( "Project path: %1" ).arg( project ) );
QString embeddedGroupName = currentChildElem.attribute( "name" );
QgsWMSProjectParser* p = dynamic_cast<QgsWMSProjectParser*>( QgsConfigCache::instance()->wmsConfiguration( project ) );
if ( p )
{
QgsServerProjectParser* pp = p->mProjectParser;
const QList<QDomElement>& embeddedGroupElements = pp->legendGroupElements();
QStringList pIdDisabled = p->identifyDisabledLayers();
QDomElement embeddedGroupElem;
foreach ( const QDomElement &elem, embeddedGroupElements )
{
if ( elem.attribute( "name" ) == embeddedGroupName )
{
embeddedGroupElem = elem;
break;
}
}
QMap<QString, QgsMapLayer *> pLayerMap;
const QList<QDomElement>& embeddedProjectLayerElements = pp->projectLayerElements();
foreach ( const QDomElement &elem, embeddedProjectLayerElements )
{
pLayerMap.insert( pp->layerId( elem ), pp->createLayerFromElement( elem ) );
}
p->addLayers( doc, layerElem, embeddedGroupElem, pLayerMap, pIdDisabled, version, fullProjectSettings, idNameMap, layerIDList );
}
}
else //normal (not embedded) legend group
{
addLayers( doc, layerElem, currentChildElem, layerMap, nonIdentifiableLayers, version, fullProjectSettings, idNameMap, layerIDList );
}
// combine bounding boxes of children (groups/layers)
mProjectParser->combineExtentAndCrsOfGroupChildren( layerElem, doc );
}
else if ( currentChildElem.tagName() == "legendlayer" )
{
QString id = mProjectParser->layerIdFromLegendLayer( currentChildElem );
if ( !layerMap.contains( id ) )
{
QgsDebugMsg( QString( "layer %1 not found in map - layer cache too small?" ).arg( id ) );
continue;
}
QgsMapLayer *currentLayer = layerMap[ id ];
if ( !currentLayer )
{
QgsDebugMsg( QString( "layer %1 not found" ).arg( id ) );
continue;
}
if ( mProjectParser->restrictedLayers().contains( mProjectParser->useLayerIDs() ? currentLayer->id() : currentLayer->name() ) ) //unpublished layer
{