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Fix #8898 (optional filter extent for vector save as)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| #include "qgsextentgroupbox.h" | ||
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| #include "qgscoordinatetransform.h" | ||
| #include "qgsrasterblock.h" | ||
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| QgsExtentGroupBox::QgsExtentGroupBox( QWidget* parent ) | ||
| : QgsCollapsibleGroupBox( parent ) | ||
| { | ||
| setupUi( this ); | ||
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| mXMinLineEdit->setValidator( new QDoubleValidator( this ) ); | ||
| mXMaxLineEdit->setValidator( new QDoubleValidator( this ) ); | ||
| mYMinLineEdit->setValidator( new QDoubleValidator( this ) ); | ||
| mYMaxLineEdit->setValidator( new QDoubleValidator( this ) ); | ||
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| connect( mCurrentExtentButton, SIGNAL( clicked() ), this, SLOT( setOutputExtentFromCurrent() ) ); | ||
| connect( mOriginalExtentButton, SIGNAL( clicked() ), this, SLOT( setOutputExtentFromOriginal() ) ); | ||
| } | ||
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| void QgsExtentGroupBox::setOriginalExtent( const QgsRectangle& originalExtent, const QgsCoordinateReferenceSystem& originalCrs ) | ||
| { | ||
| mOriginalExtent = originalExtent; | ||
| mOriginalCrs = originalCrs; | ||
| } | ||
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| void QgsExtentGroupBox::setCurrentExtent( const QgsRectangle& currentExtent, const QgsCoordinateReferenceSystem& currentCrs ) | ||
| { | ||
| mCurrentExtent = currentExtent; | ||
| mCurrentCrs = currentCrs; | ||
| } | ||
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| void QgsExtentGroupBox::setOutputCrs( const QgsCoordinateReferenceSystem& outputCrs ) | ||
| { | ||
| mOutputCrs = outputCrs; | ||
| } | ||
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| void QgsExtentGroupBox::setOutputExtent( const QgsRectangle& r, const QgsCoordinateReferenceSystem& srcCrs, ExtentState state ) | ||
| { | ||
| QgsRectangle extent; | ||
| if ( mOutputCrs == srcCrs ) | ||
| { | ||
| extent = r; | ||
| } | ||
| else | ||
| { | ||
| QgsCoordinateTransform ct( srcCrs, mOutputCrs ); | ||
| extent = ct.transformBoundingBox( r ); | ||
| } | ||
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| mXMinLineEdit->setText( QgsRasterBlock::printValue( extent.xMinimum() ) ); | ||
| mXMaxLineEdit->setText( QgsRasterBlock::printValue( extent.xMaximum() ) ); | ||
| mYMinLineEdit->setText( QgsRasterBlock::printValue( extent.yMinimum() ) ); | ||
| mYMaxLineEdit->setText( QgsRasterBlock::printValue( extent.yMaximum() ) ); | ||
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| mExtentState = state; | ||
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| updateExtentStateMsg(); | ||
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| emit extentChanged( extent ); | ||
| } | ||
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| void QgsExtentGroupBox::updateExtentStateMsg() | ||
| { | ||
| QString msg; | ||
| switch ( mExtentState ) | ||
| { | ||
| case OriginalExtent: | ||
| msg = tr( "layer" ); | ||
| break; | ||
| case CurrentExtent: | ||
| msg = tr( "map view" ); | ||
| break; | ||
| case UserExtent: | ||
| msg = tr( "user defined" ); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| msg = tr( "Extent (current: %1)" ).arg( msg ); | ||
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| setTitle( msg ); | ||
| } | ||
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| void QgsExtentGroupBox::setOutputExtentFromCurrent() | ||
| { | ||
| setOutputExtent( mCurrentExtent, mCurrentCrs, CurrentExtent ); | ||
| } | ||
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| void QgsExtentGroupBox::setOutputExtentFromOriginal() | ||
| { | ||
| setOutputExtent( mOriginalExtent, mOriginalCrs, OriginalExtent ); | ||
| } | ||
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| QgsRectangle QgsExtentGroupBox::outputExtent() const | ||
| { | ||
| return QgsRectangle( mXMinLineEdit->text().toDouble(), mYMinLineEdit->text().toDouble(), | ||
| mXMaxLineEdit->text().toDouble(), mYMaxLineEdit->text().toDouble() ); | ||
| } |
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