QGIS API Documentation
2.2.0-Valmiera
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Reads and writes project states. More...
#include <qgsproject.h>
Classes | |
struct | Imp |
Signals | |
void | readProject (const QDomDocument &) |
emitted when project is being read | |
void | writeProject (QDomDocument &) |
emitted when project is being written | |
void | readMapLayer (QgsMapLayer *mapLayer, const QDomElement &layerNode) |
Emitted, after the basic initialisation of a layer from the project file is done. | |
void | writeMapLayer (QgsMapLayer *mapLayer, QDomElement &layerElem, QDomDocument &doc) |
Emitted, when a layer is being saved. | |
void | projectSaved () |
emitted when the project file has been written and closed | |
void | oldProjectVersionWarning (QString) |
emitted when an old project file is read. | |
void | layerLoaded (int i, int n) |
emitted when a layer from a projects was read | |
void | loadingLayer (QString) |
void | snapSettingsChanged () |
Public Member Functions | |
~QgsProject () | |
bool | read (QDomNode &layerNode) |
read the layer described in the associated Dom node | |
void | clearProperties () |
syntactic sugar for property lists | |
bool | removeEntry (const QString &scope, const QString &key) |
remove the given key | |
QStringList | entryList (const QString &scope, const QString &key) const |
return keys with values – do not return keys that contain other keys | |
QStringList | subkeyList (const QString &scope, const QString &key) const |
return keys with keys – do not return keys that contain only values | |
void | dumpProperties () const |
dump out current project properties to stderr | |
QString | writePath (QString filename) const |
prepare a filename to save it to the project file | |
QString | readPath (QString filename) const |
turn filename read from the project file to an absolute path | |
QString | error () const |
Return error message from previous read/write. | |
void | setBadLayerHandler (QgsProjectBadLayerHandler *handler) |
Change handler for missing layers. | |
QString | layerIsEmbedded (const QString &id) const |
Returns project file path if layer is embedded from other project file. | |
bool | createEmbeddedLayer (const QString &layerId, const QString &projectFilePath, QList< QDomNode > &brokenNodes, QList< QPair< QgsVectorLayer *, QDomElement > > &vectorLayerList, bool saveFlag=true) |
Creates a maplayer instance defined in an arbitrary project file. | |
void | setSnapSettingsForLayer (const QString &layerId, bool enabled, QgsSnapper::SnappingType type, QgsTolerance::UnitType unit, double tolerance, bool avoidIntersection) |
Convenience function to set snap settings per layer. | |
bool | snapSettingsForLayer (const QString &layerId, bool &enabled, QgsSnapper::SnappingType &type, QgsTolerance::UnitType &units, double &tolerance, bool &avoidIntersection) const |
Convenience function to query snap settings of a layer. | |
void | setTopologicalEditing (bool enabled) |
Convenience function to set topological editing. | |
bool | topologicalEditing () const |
Convenience function to query topological editing status. | |
QString | homePath () const |
Return project's home path. | |
QgsRelationManager * | relationManager () const |
void | title (const QString &title) |
Every project has an associated title string. | |
const QString & | title () const |
returns title | |
bool | isDirty () const |
the dirty flag is true if the project has been modified since the last write() | |
void | dirty (bool b) |
void | setFileName (const QString &name) |
Every project has an associated file that contains its XML. | |
QString | fileName () const |
returns file name | |
bool | read (const QFileInfo &file) |
read project file | |
bool | read () |
presuming that the caller has already reset the map canvas, map registry, and legend | |
bool | write (const QFileInfo &file) |
write project file | |
bool | write () |
bool | writeEntry (const QString &scope, const QString &key, bool value) |
bool | writeEntry (const QString &scope, const QString &key, double value) |
bool | writeEntry (const QString &scope, const QString &key, int value) |
bool | writeEntry (const QString &scope, const QString &key, const QString &value) |
bool | writeEntry (const QString &scope, const QString &key, const QStringList &value) |
QStringList | readListEntry (const QString &scope, const QString &key, QStringList def=QStringList(), bool *ok=0) const |
key value accessors | |
QString | readEntry (const QString &scope, const QString &key, const QString &def=QString::null, bool *ok=0) const |
int | readNumEntry (const QString &scope, const QString &key, int def=0, bool *ok=0) const |
double | readDoubleEntry (const QString &scope, const QString &key, double def=0, bool *ok=0) const |
bool | readBoolEntry (const QString &scope, const QString &key, bool def=false, bool *ok=0) const |
Static Public Member Functions | |
static QgsProject * | instance () |
access to canonical QgsProject instance |
Protected Member Functions | |
void | setError (QString errorMessage) |
Set error message from read/write operation. | |
void | clearError () |
Clear error message. | |
bool | addLayer (const QDomElement &layerElem, QList< QDomNode > &brokenNodes, QList< QPair< QgsVectorLayer *, QDomElement > > &vectorLayerList) |
Private Member Functions | |
QgsProject () | |
QgsProject (QgsProject const &) | |
QPair< bool, QList< QDomNode > > | _getMapLayers (QDomDocument const &doc) |
Read map layers from project file. | |
void | snapSettings (QStringList &layerIdList, QStringList &enabledList, QStringList &snapTypeList, QStringList &snapUnitList, QStringList &toleranceUnitList, QStringList &avoidIntersectionList) const |
Private Attributes | |
std::auto_ptr< Imp > | imp_ |
implementation handle | |
QString | mErrorMessage |
QgsProjectBadLayerHandler * | mBadLayerHandler |
QHash< QString, QPair< QString, bool > > | mEmbeddedLayers |
Embeded layers which are defined in other projects. | |
QgsRelationManager * | mRelationManager |
Static Private Attributes | |
static QgsProject * | theProject_ = 0 |
Reads and writes project states.
Has two general kinds of state to make persistent. (I.e., to read and write.) First, Qgis proprietary information. Second plug-in information.
A singleton since there shall only be one active project at a time; and provides canonical location for plug-ins and main app to find/set properties.
Might want to consider moving from Singleton; i.e., allowing more than one project. Just as the GIMP can have simultaneous multiple images, perhaps qgis can one day have simultaneous multiple projects.
Definition at line 65 of file qgsproject.h.
QgsProject::~QgsProject | ( | ) |
Definition at line 352 of file qgsproject.cpp.
References mBadLayerHandler, and mRelationManager.
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Definition at line 335 of file qgsproject.cpp.
References dirty(), and writeEntry().
Referenced by instance().
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Read map layers from project file.
<maplayer type="vector"> <layername>Hydrop</layername> <datasource>/data/usgs/city_shp/hydrop.shp</datasource> <zorder>0</zorder> <provider>ogr</provider> <singlesymbol> <renderitem> <value>blabla</value> <symbol> <outlinecolor red="85" green="0" blue="255" /> <outlinestyle>SolidLine</outlinestyle> <outlinewidth>1</outlinewidth> <fillcolor red="0" green="170" blue="255" /> <fillpattern>SolidPattern</fillpattern> </symbol> <label>blabla</label> </renderitem> </singlesymbol> <label>0</label> <labelattributes> <label text="Label" field="" /> <family name="Sans Serif" field="" /> <size value="12" units="pt" field="" /> <bold on="0" field="" /> <italic on="0" field="" /> <underline on="0" field="" /> <color red="0" green="0" blue="0" field="" /> <x field="" /> <y field="" /> <offset units="pt" x="0" xfield="" y="0" yfield="" /> <angle value="0" field="" /> <alignment value="center" field="" /> </labelattributes> </maplayer>
Definition at line 647 of file qgsproject.cpp.
References addLayer(), createEmbeddedLayer(), layerLoaded(), loadingLayer(), readPath(), and tr.
Referenced by read().
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Definition at line 720 of file qgsproject.cpp.
References instance(), QgsMapLayer::isValid(), QgsDebugMsg, QgsMapLayer::readLayerXML(), readMapLayer(), and QgsVectorLayer::vectorJoins().
Referenced by _getMapLayers(), createEmbeddedLayer(), and read().
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Clear error message.
Definition at line 1562 of file qgsproject.cpp.
References setError().
void QgsProject::clearProperties | ( | ) |
syntactic sugar for property lists
extra properties, typically added by plug-ins
This allows for extra properties to be associated with projects. Think of it as a registry bound to a project.
Properties are arbitrary values keyed by a name and associated with a scope. The scope would presumably refer to your plug-in. E.g., "openmodeller".
E.g., open modeller might use:
"QgsProject::instance()->properties("openmodeller")["foo"]
.
removes all project properties
Definition at line 1094 of file qgsproject.cpp.
bool QgsProject::createEmbeddedLayer | ( | const QString & | layerId, |
const QString & | projectFilePath, | ||
QList< QDomNode > & | brokenNodes, | ||
QList< QPair< QgsVectorLayer *, QDomElement > > & | vectorLayerList, | ||
bool | saveFlag = true |
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) |
Creates a maplayer instance defined in an arbitrary project file.
Caller takes ownership
Definition at line 1583 of file qgsproject.cpp.
References addLayer(), mEmbeddedLayers, and QgsDataSourceURI::setDatabase().
Referenced by _getMapLayers().
void QgsProject::dirty | ( | bool | b | ) |
Definition at line 391 of file qgsproject.cpp.
References imp_.
Referenced by QgsRelationManager::addRelation(), clearProperties(), QgsComposition::endCommand(), QgsComposition::endMultiFrameCommand(), QgsComposition::pushAddRemoveCommand(), QgsProject(), read(), removeEntry(), QgsComposerMultiFrameCommand::restoreState(), QgsComposerItemCommand::restoreState(), setFileName(), QgsAddRemoveMultiFrameCommand::switchState(), QgsAddRemoveItemCommand::switchState(), title(), write(), and writeEntry().
void QgsProject::dumpProperties | ( | ) | const |
dump out current project properties to stderr
Definition at line 1354 of file qgsproject.cpp.
QStringList QgsProject::entryList | ( | const QString & | scope, |
const QString & | key | ||
) | const |
return keys with values – do not return keys that contain other keys
Definition at line 1316 of file qgsproject.cpp.
References QgsPropertyKey::entryList(), findKey_(), and imp_.
QString QgsProject::error | ( | ) | const |
Return error message from previous read/write.
Definition at line 1557 of file qgsproject.cpp.
References mErrorMessage.
QString QgsProject::fileName | ( | ) | const |
returns file name
Definition at line 407 of file qgsproject.cpp.
References imp_.
Referenced by homePath(), readPath(), write(), and writePath().
QString QgsProject::homePath | ( | ) | const |
Return project's home path.
Definition at line 1818 of file qgsproject.cpp.
References fileName().
Referenced by readPath(), and QgsBrowserModel::updateProjectHome().
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access to canonical QgsProject instance
Definition at line 362 of file qgsproject.cpp.
References QgsProject(), and theProject_.
Referenced by addLayer(), QgsGeometry::avoidIntersections(), QgsProject::Imp::clear(), QgsPalLabeling::clearEngineSettings(), QgsOfflineEditing::convertToOfflineProject(), QgsSymbolV2::defaultSymbol(), QgsComposition::endCommand(), QgsComposition::endMultiFrameCommand(), QgsMapToolIdentify::featureDerivedAttributes(), QgsProjectBadLayerGuiHandler::findMissingFile(), QgsMapToolIdentify::identify(), QgsAttributeDialog::init(), QgsComposerMap::initGridAnnotationFormatFromProject(), QgsOfflineEditing::isOfflineProject(), QgsPalLabeling::loadEngineSettings(), QgsMapLayer::loadNamedStyle(), QgsComposerScaleBar::mapWidth(), QgsOWSSourceSelect::on_mChangeCRSButton_clicked(), QgsVectorLayer::onRelationsLoaded(), QgsOfflineEditing::openLoggingDb(), QgsComposition::pushAddRemoveCommand(), QgsBrowserModel::QgsBrowserModel(), QgsComposerMap::QgsComposerMap(), QgsMapCanvas::QgsMapCanvas(), QgsOWSSourceSelect::QgsOWSSourceSelect(), QgsVectorLayer::QgsVectorLayer(), QgsMapLayer::readLayerXML(), QgsVectorLayer::readSymbology(), QgsSvgAnnotationItem::readXML(), QgsComposerPicture::readXML(), QgsVectorLayer::referencingRelations(), QgsMapRenderer::render(), QgsComposerMultiFrameCommand::restoreState(), QgsComposerItemCommand::restoreState(), QgsPalLabeling::saveEngineSettings(), setTopologicalEditing(), QgsMapCanvasSnapper::snapToBackgroundLayers(), QgsMapCanvasSnapper::snapToCurrentLayer(), QgsAddRemoveMultiFrameCommand::switchState(), QgsAddRemoveItemCommand::switchState(), QgsSymbolLayerV2Utils::symbolNameToPath(), QgsSymbolLayerV2Utils::symbolPathToName(), QgsOfflineEditing::synchronize(), topologicalEditing(), QgsBrowserModel::updateProjectHome(), write(), QgsMapLayer::writeLayerXML(), QgsVectorLayer::writeSymbology(), QgsSvgAnnotationItem::writeXML(), and QgsComposerPicture::writeXML().
bool QgsProject::isDirty | ( | ) | const |
the dirty flag is true if the project has been modified since the last write()
Definition at line 385 of file qgsproject.cpp.
References imp_.
QString QgsProject::layerIsEmbedded | ( | const QString & | id | ) | const |
Returns project file path if layer is embedded from other project file.
Returns empty string if layer is not embedded
Definition at line 1573 of file qgsproject.cpp.
References mEmbeddedLayers.
Referenced by write().
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emitted when a layer from a projects was read
Referenced by _getMapLayers().
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Referenced by _getMapLayers().
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emitted when an old project file is read.
Referenced by read().
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emitted when the project file has been written and closed
Referenced by write().
bool QgsProject::read | ( | const QFileInfo & | file | ) |
read project file
Please note that most of the contents were copied from qgsproject.
(Is that really desirable behavior? Maybe prompt to save before reading new one?)
Should we presume the file is opened elsewhere? Or do we open it ourselves?
XXX How to best get modify access to Qgis state? Actually we can finagle that by searching for qgisapp in object hiearchy.
Definition at line 778 of file qgsproject.cpp.
Referenced by QgsProjectBadLayerGuiHandler::findMissingFile().
bool QgsProject::read | ( | ) |
presuming that the caller has already reset the map canvas, map registry, and legend
Shows a warning when an old project file is read.
Definition at line 790 of file qgsproject.cpp.
References _getMapLayers(), _getProperties(), _getTitle(), _getVersion(), QgsRelationManager::clear(), clearError(), dirty(), dump_(), QgsProjectBadLayerHandler::handleBadLayers(), imp_, mBadLayerHandler, mEmbeddedLayers, mRelationManager, oldProjectVersionWarning(), QGis::QGIS_VERSION, QgsDebugMsg, readProject(), setError(), QgsProjectVersion::text(), tr, and QgsLogger::warning().
Referenced by read().
bool QgsProject::read | ( | QDomNode & | layerNode | ) |
read the layer described in the associated Dom node
layerNode | represents a QgsProject Dom node that maps to a specific layer. |
QgsProject raises an exception when one of the QgsProject::read() implementations fails. Since the read()s are invoked from qgisapp, then qgisapp handles the exception. It prompts the user for the new location of the data, if any. If there is a new location, the Dom node associated with the layer has its datasource tag corrected. Then that node is passed to this member function to be re-opened.
Definition at line 918 of file qgsproject.cpp.
References addLayer().
bool QgsProject::readBoolEntry | ( | const QString & | scope, |
const QString & | key, | ||
bool | def = false , |
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bool * | ok = 0 |
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) | const |
Definition at line 1277 of file qgsproject.cpp.
References findKey_(), and imp_.
Referenced by QgsPalLabeling::loadEngineSettings(), readPath(), and writePath().
double QgsProject::readDoubleEntry | ( | const QString & | scope, |
const QString & | key, | ||
double | def = 0 , |
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bool * | ok = 0 |
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) | const |
Definition at line 1247 of file qgsproject.cpp.
References findKey_(), and imp_.
QString QgsProject::readEntry | ( | const QString & | scope, |
const QString & | key, | ||
const QString & | def = QString::null , |
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bool * | ok = 0 |
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) | const |
Definition at line 1187 of file qgsproject.cpp.
References findKey_(), and imp_.
Referenced by QgsSymbolV2::defaultSymbol(), QgsMapToolIdentify::featureDerivedAttributes(), QgsComposerMap::initGridAnnotationFormatFromProject(), QgsOfflineEditing::isOfflineProject(), QgsOWSSourceSelect::on_mChangeCRSButton_clicked(), and QgsOfflineEditing::openLoggingDb().
QStringList QgsProject::readListEntry | ( | const QString & | scope, |
const QString & | key, | ||
QStringList | def = QStringList() , |
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bool * | ok = 0 |
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) | const |
key value accessors
keys would be the familiar QSettings-like '/' delimited entries, implying a hierarchy of keys and corresponding values
Definition at line 1156 of file qgsproject.cpp.
References findKey_(), and imp_.
Referenced by QgsGeometry::avoidIntersections(), QgsMapToolIdentify::identify(), snapSettings(), and QgsMapCanvasSnapper::snapToBackgroundLayers().
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Emitted, after the basic initialisation of a layer from the project file is done.
You can use this signal to read additional information from the project file.
mapLayer | The map layer which is being initialized |
layerNode | The layer node from the project file |
Referenced by addLayer().
int QgsProject::readNumEntry | ( | const QString & | scope, |
const QString & | key, | ||
int | def = 0 , |
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bool * | ok = 0 |
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) | const |
Definition at line 1218 of file qgsproject.cpp.
References findKey_(), and imp_.
Referenced by QgsPalLabeling::loadEngineSettings(), QgsComposerMap::QgsComposerMap(), QgsOWSSourceSelect::QgsOWSSourceSelect(), QgsMapRenderer::render(), QgsMapCanvasSnapper::snapToBackgroundLayers(), QgsMapCanvasSnapper::snapToCurrentLayer(), and topologicalEditing().
QString QgsProject::readPath | ( | QString | filename | ) | const |
turn filename read from the project file to an absolute path
Definition at line 1361 of file qgsproject.cpp.
References fileName(), homePath(), qgsVsiPrefix(), and readBoolEntry().
Referenced by _getMapLayers(), QgsMapLayer::readLayerXML(), QgsVectorLayer::readSymbology(), QgsSvgAnnotationItem::readXML(), and QgsComposerPicture::readXML().
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emitted when project is being read
Referenced by read().
QgsRelationManager * QgsProject::relationManager | ( | ) | const |
Definition at line 1827 of file qgsproject.cpp.
References mRelationManager.
Referenced by QgsAttributeDialog::init(), and QgsVectorLayer::referencingRelations().
bool QgsProject::removeEntry | ( | const QString & | scope, |
const QString & | key | ||
) |
remove the given key
Definition at line 1305 of file qgsproject.cpp.
References dirty(), findKey_(), imp_, and removeKey_().
Referenced by QgsPalLabeling::clearEngineSettings(), and QgsOfflineEditing::synchronize().
void QgsProject::setBadLayerHandler | ( | QgsProjectBadLayerHandler * | handler | ) |
Change handler for missing layers.
Deletes old handler and takes ownership of the new one.
Definition at line 1567 of file qgsproject.cpp.
References mBadLayerHandler.
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Set error message from read/write operation.
Definition at line 1552 of file qgsproject.cpp.
References mErrorMessage.
Referenced by clearError(), read(), and write().
void QgsProject::setFileName | ( | const QString & | name | ) |
Every project has an associated file that contains its XML.
Definition at line 398 of file qgsproject.cpp.
void QgsProject::setSnapSettingsForLayer | ( | const QString & | layerId, |
bool | enabled, | ||
QgsSnapper::SnappingType | type, | ||
QgsTolerance::UnitType | unit, | ||
double | tolerance, | ||
bool | avoidIntersection | ||
) |
Convenience function to set snap settings per layer.
Definition at line 1678 of file qgsproject.cpp.
References QgsTolerance::Pixels, snapSettings(), snapSettingsChanged(), QgsSnapper::SnapToSegment, QgsSnapper::SnapToVertexAndSegment, and writeEntry().
void QgsProject::setTopologicalEditing | ( | bool | enabled | ) |
Convenience function to set topological editing.
Definition at line 1802 of file qgsproject.cpp.
References instance(), snapSettingsChanged(), and writeEntry().
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Definition at line 1791 of file qgsproject.cpp.
References readListEntry().
Referenced by setSnapSettingsForLayer(), and snapSettingsForLayer().
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Referenced by setSnapSettingsForLayer(), and setTopologicalEditing().
bool QgsProject::snapSettingsForLayer | ( | const QString & | layerId, |
bool & | enabled, | ||
QgsSnapper::SnappingType & | type, | ||
QgsTolerance::UnitType & | units, | ||
double & | tolerance, | ||
bool & | avoidIntersection | ||
) | const |
Convenience function to query snap settings of a layer.
Definition at line 1735 of file qgsproject.cpp.
References QgsTolerance::MapUnits, QgsTolerance::Pixels, snapSettings(), QgsSnapper::SnapToSegment, QgsSnapper::SnapToVertex, and QgsSnapper::SnapToVertexAndSegment.
QStringList QgsProject::subkeyList | ( | const QString & | scope, |
const QString & | key | ||
) | const |
return keys with keys – do not return keys that contain only values
Definition at line 1334 of file qgsproject.cpp.
References findKey_(), imp_, and QgsPropertyKey::subkeyList().
void QgsProject::title | ( | const QString & | title | ) |
Every project has an associated title string.
Definition at line 371 of file qgsproject.cpp.
References dirty(), imp_, and title().
Referenced by QgsOfflineEditing::convertToOfflineProject(), and QgsOfflineEditing::synchronize().
QString const & QgsProject::title | ( | ) | const |
bool QgsProject::topologicalEditing | ( | ) | const |
Convenience function to query topological editing status.
Definition at line 1808 of file qgsproject.cpp.
References instance(), and readNumEntry().
bool QgsProject::write | ( | const QFileInfo & | file | ) |
write project file
XXX How to best get read access to Qgis state? Actually we can finagle that by searching for qgisapp in object hiearchy.
Definition at line 927 of file qgsproject.cpp.
bool QgsProject::write | ( | ) |
Definition at line 935 of file qgsproject.cpp.
References clearError(), dirty(), dump_(), fileName(), QgsMapLayer::id(), imp_, instance(), layerIsEmbedded(), mEmbeddedLayers, projectSaved(), QGis::QGIS_VERSION, QgsDebugMsg, setError(), title(), tr, QgsMapLayer::writeLayerXML(), writeMapLayer(), writePath(), and writeProject().
Referenced by write().
bool QgsProject::writeEntry | ( | const QString & | scope, |
const QString & | key, | ||
bool | value | ||
) |
Definition at line 1106 of file qgsproject.cpp.
References addKey_(), dirty(), and imp_.
Referenced by QgsProject::Imp::clear(), QgsOfflineEditing::convertToOfflineProject(), QgsProject(), QgsPalLabeling::saveEngineSettings(), setSnapSettingsForLayer(), and setTopologicalEditing().
bool QgsProject::writeEntry | ( | const QString & | scope, |
const QString & | key, | ||
double | value | ||
) |
Definition at line 1115 of file qgsproject.cpp.
bool QgsProject::writeEntry | ( | const QString & | scope, |
const QString & | key, | ||
int | value | ||
) |
Definition at line 1125 of file qgsproject.cpp.
bool QgsProject::writeEntry | ( | const QString & | scope, |
const QString & | key, | ||
const QString & | value | ||
) |
Definition at line 1134 of file qgsproject.cpp.
bool QgsProject::writeEntry | ( | const QString & | scope, |
const QString & | key, | ||
const QStringList & | value | ||
) |
Definition at line 1144 of file qgsproject.cpp.
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Emitted, when a layer is being saved.
You can use this method to save additional information to the layer.
mapLayer | The map layer which is being initialized |
layerElem | The layer element from the project file |
doc | The document |
Referenced by write().
QString QgsProject::writePath | ( | QString | filename | ) | const |
prepare a filename to save it to the project file
Definition at line 1465 of file qgsproject.cpp.
References fileName(), qgsVsiPrefix(), and readBoolEntry().
Referenced by QgsSymbolLayerV2Utils::symbolPathToName(), write(), and QgsMapLayer::writeLayerXML().
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emitted when project is being written
Referenced by write().
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implementation handle
Definition at line 383 of file qgsproject.h.
Referenced by clearProperties(), dirty(), dumpProperties(), entryList(), fileName(), isDirty(), read(), readBoolEntry(), readDoubleEntry(), readEntry(), readListEntry(), readNumEntry(), removeEntry(), setFileName(), subkeyList(), title(), write(), and writeEntry().
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Definition at line 394 of file qgsproject.h.
Referenced by read(), setBadLayerHandler(), and ~QgsProject().
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Embeded layers which are defined in other projects.
Key: layer id, value: pair< project file path, save layer yes / no (e.g. if the layer is part of an embedded group, loading/saving is done by the legend) If the project file path is empty, QgsProject is going to ignore the layer for saving (e.g. because it is part and managed by an embedded group)
Definition at line 399 of file qgsproject.h.
Referenced by createEmbeddedLayer(), layerIsEmbedded(), read(), and write().
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Definition at line 392 of file qgsproject.h.
Referenced by error(), and setError().
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Definition at line 404 of file qgsproject.h.
Referenced by read(), relationManager(), and ~QgsProject().
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Definition at line 388 of file qgsproject.h.
Referenced by instance().