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qgscptcityarchive.cpp
1759 lines (1532 loc) · 48.8 KB
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qgscptcityarchive.cpp
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/***************************************************************************
qgscptcityarchive.cpp
---------------------
begin : August 2012
copyright : (C) 2009 by Martin Dobias
copyright : (C) 2011 Radim Blazek
copyright : (C) 2012 by Etienne Tourigny
email : etourigny.dev at 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 <QApplication>
#include <QDateTime>
#include <QDir>
#include <QFileInfo>
#include <QMenu>
#include <QMouseEvent>
#include <QTreeWidget>
#include <QTreeWidgetItem>
#include <QVector>
#include <QStyle>
#include <QSettings>
#include "qgscptcityarchive.h"
#include "qgis.h"
#include "qgsdataprovider.h"
#include "qgslogger.h"
#include "qgsconfig.h"
#include "qgsmimedatautils.h"
#include "qgsapplication.h"
QString QgsCptCityArchive::mDefaultArchiveName;
QMap< QString, QgsCptCityArchive* > QgsCptCityArchive::mArchiveRegistry;
QMap< QString, QgsCptCityArchive* > QgsCptCityArchive::archiveRegistry() { return mArchiveRegistry; }
QMap< QString, QMap< QString, QString > > QgsCptCityArchive::mCopyingInfoMap;
QgsCptCityArchive::QgsCptCityArchive( const QString& archiveName, const QString& baseDir )
: mArchiveName( archiveName )
, mBaseDir( baseDir )
{
QgsDebugMsg( "archiveName = " + archiveName + " baseDir = " + baseDir );
// make Author items
QgsCptCityDirectoryItem* dirItem = nullptr;
Q_FOREACH ( const QString& path, QDir( mBaseDir ).entryList( QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name ) )
{
if ( path == "selections" )
continue;
QgsDebugMsg( "path= " + path );
dirItem = new QgsCptCityDirectoryItem( nullptr, QFileInfo( path ).baseName(), path );
if ( dirItem->isValid() )
mRootItems << dirItem;
else
delete dirItem;
}
// make selection items
QgsCptCitySelectionItem* selItem = nullptr;
QDir seldir( mBaseDir + '/' + "selections" );
QgsDebugMsg( "populating selection from " + seldir.path() );
Q_FOREACH ( const QString& selfile, seldir.entryList( QStringList( "*.xml" ), QDir::Files ) )
{
QgsDebugMsg( "file= " + seldir.path() + '/' + selfile );
selItem = new QgsCptCitySelectionItem( nullptr, QFileInfo( selfile ).baseName(),
seldir.dirName() + '/' + selfile );
//TODO remove item if there are no children (e.g. esri in qgis-sel)
if ( selItem->isValid() )
mSelectionItems << selItem;
else
delete selItem;
}
// make "All Ramps items" (which will contain all ramps without hierarchy)
QgsCptCityAllRampsItem* allRampsItem;
allRampsItem = new QgsCptCityAllRampsItem( nullptr, QObject::tr( "All Ramps" ),
mRootItems );
mRootItems.prepend( allRampsItem );
allRampsItem = new QgsCptCityAllRampsItem( nullptr, QObject::tr( "All Ramps" ),
mSelectionItems );
mSelectionItems.prepend( allRampsItem );
}
QgsCptCityArchive::~QgsCptCityArchive()
{
Q_FOREACH ( QgsCptCityDataItem* item, mRootItems )
delete item;
Q_FOREACH ( QgsCptCityDataItem* item, mSelectionItems )
delete item;
mRootItems.clear();
mSelectionItems.clear();
}
QString QgsCptCityArchive::baseDir() const
{
// if was set with setBaseDir, return that value
// else return global default
if ( ! mBaseDir.isNull() )
return mBaseDir;
else
return QgsCptCityArchive::defaultBaseDir();
}
QString QgsCptCityArchive::baseDir( QString archiveName )
{
// search for matching archive in the registry
if ( archiveName.isNull() )
archiveName = DEFAULT_CPTCITY_ARCHIVE;
if ( mArchiveRegistry.contains( archiveName ) )
return mArchiveRegistry.value( archiveName )->baseDir();
else
return defaultBaseDir();
}
QString QgsCptCityArchive::defaultBaseDir()
{
QString baseDir, archiveName;
QSettings settings;
// use CptCity/baseDir setting if set, default is user dir
baseDir = settings.value( "CptCity/baseDir",
QgsApplication::pkgDataPath() + "/resources" ).toString();
// sub-dir defaults to cpt-city
archiveName = settings.value( "CptCity/archiveName", DEFAULT_CPTCITY_ARCHIVE ).toString();
return baseDir + '/' + archiveName;
}
QString QgsCptCityArchive::findFileName( const QString & target, const QString & startDir, const QString & baseDir )
{
// QgsDebugMsg( "target= " + target + " startDir= " + startDir + " baseDir= " + baseDir );
if ( startDir == "" || ! startDir.startsWith( baseDir ) )
return QString();
QDir dir = QDir( startDir );
//todo test when
while ( ! dir.exists( target ) && dir.path() != baseDir )
{
if ( ! dir.cdUp() )
break;
}
if ( ! dir.exists( target ) )
return QString();
else
return dir.path() + '/' + target;
}
QString QgsCptCityArchive::copyingFileName( const QString& path ) const
{
return QgsCptCityArchive::findFileName( "COPYING.xml",
baseDir() + '/' + path, baseDir() );
}
QString QgsCptCityArchive::descFileName( const QString& path ) const
{
return QgsCptCityArchive::findFileName( "DESC.xml",
baseDir() + '/' + path, baseDir() );
}
QgsStringMap QgsCptCityArchive::copyingInfo( const QString& fileName )
{
QgsStringMap copyingMap;
if ( fileName.isNull() )
return copyingMap;
if ( QgsCptCityArchive::mCopyingInfoMap.contains( fileName ) )
{
QgsDebugMsg( "found copying info in copyingInfoMap, file = " + fileName );
return QgsCptCityArchive::mCopyingInfoMap.value( fileName );
}
QgsDebugMsg( "fileName = " + fileName );
// import xml file
QFile f( fileName );
if ( !f.open( QFile::ReadOnly ) )
{
QgsDebugMsg( "Couldn't open xml file: " + fileName );
return copyingMap;
}
// parse the document
QDomDocument doc( "license" );
if ( !doc.setContent( &f ) )
{
f.close();
QgsDebugMsg( "Couldn't parse xml file: " + fileName );
return copyingMap;
}
f.close();
// get root element
QDomElement docElem = doc.documentElement();
if ( docElem.tagName() != "copying" )
{
QgsDebugMsg( "Incorrect root tag: " + docElem.tagName() );
return copyingMap;
}
// load author information
QDomElement authorsElement = docElem.firstChildElement( "authors" );
if ( authorsElement.isNull() )
{
QgsDebugMsg( "authors tag missing" );
}
else
{
QDomElement e = authorsElement.firstChildElement();
QStringList authors;
while ( ! e.isNull() )
{
if ( e.tagName() == "author" )
{
if ( ! e.firstChildElement( "name" ).isNull() )
authors << e.firstChildElement( "name" ).text().simplified();
// org???
}
e = e.nextSiblingElement();
}
copyingMap[ "authors" ] = authors.join( ", " );
}
// load license information
QDomElement licenseElement = docElem.firstChildElement( "license" );
if ( licenseElement.isNull() )
{
QgsDebugMsg( "license tag missing" );
}
else
{
QDomElement e = licenseElement.firstChildElement( "informal" );
if ( ! e.isNull() )
copyingMap[ "license/informal" ] = e.text().simplified();
e = licenseElement.firstChildElement( "year" );
if ( ! e.isNull() )
copyingMap[ "license/year" ] = e.text().simplified();
e = licenseElement.firstChildElement( "text" );
if ( ! e.isNull() && e.attribute( "href" ) != QString() )
copyingMap[ "license/url" ] = e.attribute( "href" );
}
// load src information
QDomElement element = docElem.firstChildElement( "src" );
if ( element.isNull() )
{
QgsDebugMsg( "src tag missing" );
}
else
{
QDomElement e = element.firstChildElement( "link" );
if ( ! e.isNull() && e.attribute( "href" ) != QString() )
copyingMap[ "src/link" ] = e.attribute( "href" );
}
// save copyingMap for further access
QgsCptCityArchive::mCopyingInfoMap[ fileName ] = copyingMap;
return copyingMap;
}
QgsStringMap QgsCptCityArchive::description( const QString& fileName )
{
QgsStringMap descMap;
QgsDebugMsg( "description fileName = " + fileName );
QFile f( fileName );
if ( ! f.open( QFile::ReadOnly ) )
{
QgsDebugMsg( "description file " + fileName + " ] does not exist" );
return descMap;
}
// parse the document
QString errMsg;
QDomDocument doc( "description" );
if ( !doc.setContent( &f, &errMsg ) )
{
f.close();
QgsDebugMsg( "Couldn't parse file " + fileName + " : " + errMsg );
return descMap;
}
f.close();
// read description
QDomElement docElem = doc.documentElement();
if ( docElem.tagName() != "description" )
{
QgsDebugMsg( "Incorrect root tag: " + docElem.tagName() );
return descMap;
}
// should we make sure the <dir> tag is ok?
QDomElement e = docElem.firstChildElement( "name" );
if ( e.isNull() )
{
QgsDebugMsg( "name tag missing" );
}
descMap[ "name" ] = e.text().simplified();
e = docElem.firstChildElement( "full" );
if ( e.isNull() )
{
QgsDebugMsg( "full tag missing" );
}
descMap[ "full" ] = e.text().simplified();
return descMap;
}
QMap< double, QPair<QColor, QColor> >QgsCptCityArchive::gradientColorMap( const QString& fileName )
{
QMap< double, QPair<QColor, QColor> > colorMap;
// import xml file
QFile f( fileName );
if ( !f.open( QFile::ReadOnly ) )
{
QgsDebugMsg( "Couldn't open SVG file: " + fileName );
return colorMap;
}
// parse the document
QDomDocument doc( "gradient" );
if ( !doc.setContent( &f ) )
{
f.close();
QgsDebugMsg( "Couldn't parse SVG file: " + fileName );
return colorMap;
}
f.close();
QDomElement docElem = doc.documentElement();
if ( docElem.tagName() != "svg" )
{
QgsDebugMsg( "Incorrect root tag: " + docElem.tagName() );
return colorMap;
}
// load color ramp from first linearGradient node
QDomElement rampsElement = docElem.firstChildElement( "linearGradient" );
if ( rampsElement.isNull() )
{
QDomNodeList nodeList = docElem.elementsByTagName( "linearGradient" );
if ( ! nodeList.isEmpty() )
rampsElement = nodeList.at( 0 ).toElement();
}
if ( rampsElement.isNull() )
{
QgsDebugMsg( "linearGradient tag missing" );
return colorMap;
}
// loop for all stop tags
QDomElement e = rampsElement.firstChildElement();
while ( !e.isNull() )
{
if ( e.tagName() == "stop" )
{
//todo integrate this into symbollayerutils, keep here for now...
double offset;
QString offsetStr = e.attribute( "offset" ); // offset="50.00%" | offset="0.5"
QString colorStr = e.attribute( "stop-color", "" ); // stop-color="rgb(222,235,247)"
QString opacityStr = e.attribute( "stop-opacity", "1.0" ); // stop-opacity="1.0000"
if ( offsetStr.endsWith( '%' ) )
offset = offsetStr.remove( offsetStr.size() - 1, 1 ).toDouble() / 100.0;
else
offset = offsetStr.toDouble();
// QColor color( 255, 0, 0 ); // red color as a warning :)
QColor color = QgsSymbolLayerV2Utils::parseColor( colorStr );
if ( color != QColor() )
{
int alpha = opacityStr.toDouble() * 255; // test
color.setAlpha( alpha );
if ( colorMap.contains( offset ) )
colorMap[offset].second = color;
else
colorMap[offset] = qMakePair( color, color );
}
else
{
QgsDebugMsg( QString( "at offset=%1 invalid color" ).arg( offset ) );
}
}
else
{
QgsDebugMsg( "unknown tag: " + e.tagName() );
}
e = e.nextSiblingElement();
}
return colorMap;
}
bool QgsCptCityArchive::isEmpty()
{
return ( mRootItems.isEmpty() );
}
QgsCptCityArchive* QgsCptCityArchive::defaultArchive()
{
QSettings settings;
mDefaultArchiveName = settings.value( "CptCity/archiveName", DEFAULT_CPTCITY_ARCHIVE ).toString();
if ( QgsCptCityArchive::mArchiveRegistry.contains( mDefaultArchiveName ) )
return QgsCptCityArchive::mArchiveRegistry.value( mDefaultArchiveName );
else
return nullptr;
}
void QgsCptCityArchive::initArchive( const QString& archiveName, const QString& archiveBaseDir )
{
QgsDebugMsg( "archiveName = " + archiveName + " archiveBaseDir = " + archiveBaseDir );
QgsCptCityArchive *archive = new QgsCptCityArchive( archiveName, archiveBaseDir );
if ( mArchiveRegistry.contains( archiveName ) )
delete mArchiveRegistry[ archiveName ];
mArchiveRegistry[ archiveName ] = archive;
}
void QgsCptCityArchive::initDefaultArchive()
{
QSettings settings;
// use CptCity/baseDir setting if set, default is user dir
QString baseDir = settings.value( "CptCity/baseDir",
QgsApplication::pkgDataPath() + "/resources" ).toString();
// sub-dir defaults to
QString defArchiveName = settings.value( "CptCity/archiveName", DEFAULT_CPTCITY_ARCHIVE ).toString();
if ( ! mArchiveRegistry.contains( defArchiveName ) )
initArchive( defArchiveName, baseDir + '/' + defArchiveName );
}
void QgsCptCityArchive::initArchives( bool loadAll )
{
QgsStringMap archivesMap;
QString baseDir, defArchiveName;
QSettings settings;
// use CptCity/baseDir setting if set, default is user dir
baseDir = settings.value( "CptCity/baseDir",
QgsApplication::pkgDataPath() + "/resources" ).toString();
// sub-dir defaults to
defArchiveName = settings.value( "CptCity/archiveName", DEFAULT_CPTCITY_ARCHIVE ).toString();
QgsDebugMsg( "baseDir= " + baseDir + " defArchiveName= " + defArchiveName );
if ( loadAll )
{
QDir dir( baseDir );
Q_FOREACH ( const QString& entry, dir.entryList( QStringList( "cpt-city*" ), QDir::Dirs ) )
{
if ( QFile::exists( baseDir + '/' + entry + "/VERSION.xml" ) )
archivesMap[ entry ] = baseDir + '/' + entry;
}
}
else
{
archivesMap[ defArchiveName ] = baseDir + '/' + defArchiveName;
}
for ( QgsStringMap::iterator it = archivesMap.begin();
it != archivesMap.end(); ++it )
{
if ( QDir( it.value() ).exists() )
QgsCptCityArchive::initArchive( it.key(), it.value() );
else
{
QgsDebugMsg( QString( "not loading archive [%1] because dir %2 does not exist " ).arg( it.key(), it.value() ) );
}
}
mDefaultArchiveName = defArchiveName;
}
void QgsCptCityArchive::clearArchives()
{
qDeleteAll( mArchiveRegistry );
mArchiveRegistry.clear();
}
// --------
QgsCptCityDataItem::QgsCptCityDataItem( QgsCptCityDataItem::Type type, QgsCptCityDataItem* parent,
const QString& name, const QString& path )
// Do not pass parent to QObject, Qt would delete this when parent is deleted
: QObject()
, mType( type ), mParent( parent ), mPopulated( false )
, mName( name ), mPath( path ), mValid( true )
{
}
QgsCptCityDataItem::~QgsCptCityDataItem()
{
// QgsDebugMsg( "mName = " + mName + " mPath = " + mPath );
}
void QgsCptCityDataItem::emitBeginInsertItems( QgsCptCityDataItem* parent, int first, int last )
{
emit beginInsertItems( parent, first, last );
}
void QgsCptCityDataItem::emitEndInsertItems()
{
emit endInsertItems();
}
void QgsCptCityDataItem::emitBeginRemoveItems( QgsCptCityDataItem* parent, int first, int last )
{
emit beginRemoveItems( parent, first, last );
}
void QgsCptCityDataItem::emitEndRemoveItems()
{
emit endRemoveItems();
}
QVector<QgsCptCityDataItem*> QgsCptCityDataItem::createChildren()
{
QVector<QgsCptCityDataItem*> children;
return children;
}
void QgsCptCityDataItem::populate()
{
if ( mPopulated )
return;
QgsDebugMsg( "mPath = " + mPath );
QApplication::setOverrideCursor( Qt::WaitCursor );
QVector<QgsCptCityDataItem*> children = createChildren();
Q_FOREACH ( QgsCptCityDataItem *child, children )
{
// initialization, do not refresh! That would result in infinite loop (beginInsertItems->rowCount->populate)
addChildItem( child );
}
mPopulated = true;
QApplication::restoreOverrideCursor();
}
int QgsCptCityDataItem::rowCount()
{
// if ( !mPopulated )
// populate();
return mChildren.size();
}
int QgsCptCityDataItem::leafCount() const
{
if ( !mPopulated )
return 0;
int count = 0;
Q_FOREACH ( QgsCptCityDataItem *child, mChildren )
{
if ( child )
count += child->leafCount();
}
return count;
}
bool QgsCptCityDataItem::hasChildren()
{
return ( mPopulated ? !mChildren.isEmpty() : true );
}
void QgsCptCityDataItem::addChildItem( QgsCptCityDataItem * child, bool refresh )
{
QgsDebugMsg( QString( "add child #%1 - %2 - %3" ).arg( mChildren.size() ).arg( child->mName ).arg( child->mType ) );
int i;
if ( type() == ColorRamp )
{
for ( i = 0; i < mChildren.size(); i++ )
{
// sort items by type, so directories are after data items
if ( mChildren.at( i )->mType == child->mType &&
mChildren.at( i )->mName.localeAwareCompare( child->mName ) >= 0 )
break;
}
}
else
{
for ( i = 0; i < mChildren.size(); i++ )
{
if ( mChildren.at( i )->mName.localeAwareCompare( child->mName ) >= 0 )
break;
}
}
if ( refresh )
emit beginInsertItems( this, i, i );
mChildren.insert( i, child );
connect( child, SIGNAL( beginInsertItems( QgsCptCityDataItem*, int, int ) ),
this, SLOT( emitBeginInsertItems( QgsCptCityDataItem*, int, int ) ) );
connect( child, SIGNAL( endInsertItems() ),
this, SLOT( emitEndInsertItems() ) );
connect( child, SIGNAL( beginRemoveItems( QgsCptCityDataItem*, int, int ) ),
this, SLOT( emitBeginRemoveItems( QgsCptCityDataItem*, int, int ) ) );
connect( child, SIGNAL( endRemoveItems() ),
this, SLOT( emitEndRemoveItems() ) );
if ( refresh )
emit endInsertItems();
}
void QgsCptCityDataItem::deleteChildItem( QgsCptCityDataItem * child )
{
// QgsDebugMsg( "mName = " + child->mName );
int i = mChildren.indexOf( child );
Q_ASSERT( i >= 0 );
emit beginRemoveItems( this, i, i );
mChildren.remove( i );
delete child;
emit endRemoveItems();
}
QgsCptCityDataItem * QgsCptCityDataItem::removeChildItem( QgsCptCityDataItem * child )
{
// QgsDebugMsg( "mName = " + child->mName );
int i = mChildren.indexOf( child );
Q_ASSERT( i >= 0 );
emit beginRemoveItems( this, i, i );
mChildren.remove( i );
emit endRemoveItems();
disconnect( child, SIGNAL( beginInsertItems( QgsCptCityDataItem*, int, int ) ),
this, SLOT( emitBeginInsertItems( QgsCptCityDataItem*, int, int ) ) );
disconnect( child, SIGNAL( endInsertItems() ),
this, SLOT( emitEndInsertItems() ) );
disconnect( child, SIGNAL( beginRemoveItems( QgsCptCityDataItem*, int, int ) ),
this, SLOT( emitBeginRemoveItems( QgsCptCityDataItem*, int, int ) ) );
disconnect( child, SIGNAL( endRemoveItems() ),
this, SLOT( emitEndRemoveItems() ) );
child->setParent( nullptr );
return child;
}
int QgsCptCityDataItem::findItem( QVector<QgsCptCityDataItem*> items, QgsCptCityDataItem * item )
{
for ( int i = 0; i < items.size(); i++ )
{
// QgsDebugMsg( QString::number( i ) + " : " + items[i]->mPath + " x " + item->mPath );
if ( items[i]->equal( item ) )
return i;
}
return -1;
}
void QgsCptCityDataItem::refresh()
{
QgsDebugMsg( "mPath = " + mPath );
QApplication::setOverrideCursor( Qt::WaitCursor );
QVector<QgsCptCityDataItem*> items = createChildren();
// Remove no more present items
QVector<QgsCptCityDataItem*> remove;
Q_FOREACH ( QgsCptCityDataItem *child, mChildren )
{
if ( findItem( items, child ) >= 0 )
continue;
remove.append( child );
}
Q_FOREACH ( QgsCptCityDataItem *child, remove )
{
deleteChildItem( child );
}
// Add new items
Q_FOREACH ( QgsCptCityDataItem *item, items )
{
// Is it present in childs?
if ( findItem( mChildren, item ) >= 0 )
{
delete item;
continue;
}
addChildItem( item, true );
}
QApplication::restoreOverrideCursor();
}
bool QgsCptCityDataItem::equal( const QgsCptCityDataItem *other )
{
if ( metaObject()->className() == other->metaObject()->className() &&
mPath == other->path() )
{
return true;
}
return false;
}
// ---------------------------------------------------------------------
QgsCptCityColorRampItem::QgsCptCityColorRampItem( QgsCptCityDataItem* parent,
const QString& name, const QString& path, const QString& variantName, bool initialize )
: QgsCptCityDataItem( ColorRamp, parent, name, path )
, mInitialised( false )
, mRamp( path, variantName, false )
{
// QgsDebugMsg( "name= " + name + " path= " + path );
mPopulated = true;
if ( initialize )
init();
}
QgsCptCityColorRampItem::QgsCptCityColorRampItem( QgsCptCityDataItem* parent,
const QString& name, const QString& path, const QStringList& variantList, bool initialize )
: QgsCptCityDataItem( ColorRamp, parent, name, path )
, mInitialised( false )
, mRamp( path, variantList, QString(), false )
{
// QgsDebugMsg( "name= " + name + " path= " + path );
mPopulated = true;
if ( initialize )
init();
}
// TODO only load file when icon is requested...
void QgsCptCityColorRampItem::init()
{
if ( mInitialised )
return;
mInitialised = true;
QgsDebugMsg( "path = " + path() );
// make preview from variant if exists
QStringList variantList = mRamp.variantList();
if ( mRamp.variantName().isNull() && ! variantList.isEmpty() )
mRamp.setVariantName( variantList[ variantList.count() / 2 ] );
mRamp.loadFile();
// is this item valid? this might fail when there are variants, check
if ( ! QFile::exists( mRamp.fileName() ) )
mValid = false;
else
mValid = true;
// load file and set info
if ( mRamp.count() > 0 )
{
if ( variantList.isEmpty() )
{
int count = mRamp.count();
if ( mRamp.isDiscrete() )
count--;
mInfo = QString::number( count ) + ' ' + tr( "colors" ) + " - ";
if ( mRamp.isDiscrete() )
mInfo += tr( "discrete" );
else
{
if ( !mRamp.hasMultiStops() )
mInfo += tr( "continuous" );
else
mInfo += tr( "continuous (multi)" );
}
mShortInfo = QFileInfo( mName ).fileName();
}
else
{
mInfo = QString::number( variantList.count() ) + ' ' + tr( "variants" );
// mShortInfo = QFileInfo( mName ).fileName() + " (" + QString::number( variantList.count() ) + ')';
mShortInfo = QFileInfo( mName ).fileName();
}
}
else
{
mInfo = "";
}
}
bool QgsCptCityColorRampItem::equal( const QgsCptCityDataItem *other )
{
//QgsDebugMsg ( mPath + " x " + other->mPath );
if ( type() != other->type() )
{
return false;
}
//const QgsCptCityColorRampItem *o = qobject_cast<const QgsCptCityColorRampItem *> ( other );
const QgsCptCityColorRampItem *o = dynamic_cast<const QgsCptCityColorRampItem *>( other );
return o &&
mPath == o->mPath &&
mName == o->mName &&
ramp().variantName() == o->ramp().variantName();
}
QIcon QgsCptCityColorRampItem::icon()
{
return icon( QSize( 100, 15 ) );
}
QIcon QgsCptCityColorRampItem::icon( QSize size )
{
Q_FOREACH ( const QIcon& icon, mIcons )
{
if ( icon.availableSizes().contains( size ) )
return icon;
}
QIcon icon;
init();
if ( mValid && mRamp.count() > 0 )
{
icon = QgsSymbolLayerV2Utils::colorRampPreviewIcon( &mRamp, size );
}
else
{
QPixmap blankPixmap( size );
blankPixmap.fill( Qt::white );
icon = QIcon( blankPixmap );
mInfo = "";
}
mIcons.append( icon );
return icon;
}
// ---------------------------------------------------------------------
QgsCptCityCollectionItem::QgsCptCityCollectionItem( QgsCptCityDataItem* parent,
const QString& name, const QString& path )
: QgsCptCityDataItem( Collection, parent, name, path )
, mPopulatedRamps( false )
{
}
QgsCptCityCollectionItem::~QgsCptCityCollectionItem()
{
// QgsDebugMsg( "Entered" );
Q_FOREACH ( QgsCptCityDataItem* i, mChildren )
{
// QgsDebugMsg( QString( "delete child = 0x%0" ).arg(( qlonglong )i, 8, 16, QLatin1Char( '0' ) ) );
delete i;
}
}
QVector< QgsCptCityDataItem* > QgsCptCityCollectionItem::childrenRamps( bool recursive )
{
QVector< QgsCptCityDataItem* > rampItems;
QVector< QgsCptCityDataItem* > deleteItems;
populate();
// recursively add children
Q_FOREACH ( QgsCptCityDataItem* childItem, children() )
{
QgsCptCityCollectionItem* collectionItem = dynamic_cast<QgsCptCityCollectionItem*>( childItem );
QgsCptCityColorRampItem* rampItem = dynamic_cast<QgsCptCityColorRampItem*>( childItem );
QgsDebugMsgLevel( QString( "child path= %1 coll= %2 ramp = %3" ).arg( childItem->path() ).arg( nullptr != collectionItem ).arg( nullptr != rampItem ), 2 );
if ( collectionItem && recursive )
{
collectionItem->populate();
rampItems << collectionItem->childrenRamps( true );
}
else if ( rampItem )
{
// init rampItem to get palette and icon, test if is valid after loading file
rampItem->init();
if ( rampItem->isValid() )
rampItems << rampItem;
else
deleteItems << rampItem;
}
else
{
QgsDebugMsg( "invalid item " + childItem->path() );
}
}
// delete invalid items - this is not efficient, but should only happens once
Q_FOREACH ( QgsCptCityDataItem* deleteItem, deleteItems )
{
QgsDebugMsg( QString( "item %1 is invalid, will be deleted" ).arg( deleteItem->path() ) );
int i = mChildren.indexOf( deleteItem );
if ( i != -1 )
mChildren.remove( i );
delete deleteItem;
}
return rampItems;
}
//-----------------------------------------------------------------------
QgsCptCityDirectoryItem::QgsCptCityDirectoryItem( QgsCptCityDataItem* parent,
const QString& name, const QString& path )
: QgsCptCityCollectionItem( parent, name, path )
{
mType = Directory;
mValid = QDir( QgsCptCityArchive::defaultBaseDir() + '/' + mPath ).exists();
if ( ! mValid )
{
QgsDebugMsg( "created invalid dir item, path = " + QgsCptCityArchive::defaultBaseDir()
+ '/' + mPath );
}
// parse DESC.xml to get mInfo
mInfo = "";
QString fileName = QgsCptCityArchive::defaultBaseDir() + '/' +
mPath + '/' + "DESC.xml";
QgsStringMap descMap = QgsCptCityArchive::description( fileName );
if ( descMap.contains( "name" ) )
mInfo = descMap.value( "name" );
// populate();
}
QgsCptCityDirectoryItem::~QgsCptCityDirectoryItem()
{
}
QVector<QgsCptCityDataItem*> QgsCptCityDirectoryItem::createChildren()
{
if ( ! mValid )
return QVector<QgsCptCityDataItem*>();
QVector<QgsCptCityDataItem*> children;
// add children schemes
QMapIterator< QString, QStringList> it( rampsMap() );
while ( it.hasNext() )
{
it.next();
// QgsDebugMsg( "schemeName = " + it.key() );
QgsCptCityDataItem* item =
new QgsCptCityColorRampItem( this, it.key(), it.key(), it.value() );
if ( item->isValid() )
children << item;
else
delete item;
}
// add children dirs
Q_FOREACH ( const QString& childPath, dirEntries() )
{
QgsCptCityDataItem* childItem =
QgsCptCityDirectoryItem::dataItem( this, childPath, mPath + '/' + childPath );
if ( childItem )
children << childItem;
}
QgsDebugMsg( QString( "name= %1 path= %2 found %3 children" ).arg( mName, mPath ).arg( children.count() ) );
return children;
}
QMap< QString, QStringList > QgsCptCityDirectoryItem::rampsMap()
{
if ( ! mRampsMap.isEmpty() )
return mRampsMap;
QString curName, prevName, curVariant, curSep, schemeName;
QStringList listVariant;
QStringList schemeNamesAll, schemeNames;
bool prevAdd, curAdd;
QDir dir( QgsCptCityArchive::defaultBaseDir() + '/' + mPath );
schemeNamesAll = dir.entryList( QStringList( "*.svg" ), QDir::Files, QDir::Name );
// TODO detect if there are duplicate names with different variant counts, combine in 1
for ( int i = 0; i < schemeNamesAll.count(); i++ )
{
// schemeName = QFileInfo( schemeNamesAll[i] ).baseName();
schemeName = schemeNamesAll[i];
schemeName.chop( 4 );
// QgsDebugMsg("=============");
// QgsDebugMsg("scheme = "+schemeName);
curName = schemeName;
curVariant = "";
// find if name ends with 1-3 digit number
// TODO need to detect if ends with b/c also
if ( schemeName.length() > 1 && schemeName.endsWith( 'a' ) && ! listVariant.isEmpty() &&
(( prevName + listVariant.last() + 'a' ) == curName ) )
{
curName = prevName;
curVariant = listVariant.last() + 'a';
}
else
{
QRegExp rxVariant( "^(.*[^\\d])(\\d{1,3})$" );
int pos = rxVariant.indexIn( schemeName );