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103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/***************************************************************************
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qgsdefaultsearchwidgettwrapper.cpp
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--------------------------------------
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Date : 31.5.2015
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Copyright : (C) 2015 Karolina Alexiou (carolinux)
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Email : carolinegr at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgsdefaultsearchwidgetwrapper.h"
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#include "qgsfield.h"
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#include "qgsfieldvalidator.h"
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#include <QSettings>
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#include <QHBoxLayout>
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QgsDefaultSearchWidgetWrapper::QgsDefaultSearchWidgetWrapper( QgsVectorLayer* vl, int fieldIdx, QWidget* parent )
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: QgsSearchWidgetWrapper( vl, fieldIdx, parent )
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, mLineEdit( NULL )
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, mCheckbox( NULL )
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, mContainer( NULL )
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, mCaseString(QString("LIKE"))
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{
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}
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QString QgsDefaultSearchWidgetWrapper::expression()
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{
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return mExpression;
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}
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void QgsDefaultSearchWidgetWrapper::setCaseString(int caseSensitiveCheckState)
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{
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if ( caseSensitiveCheckState == Qt::Checked)
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{
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mCaseString = "LIKE";
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}
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else
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{
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mCaseString = "ILIKE";
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}
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// need to update also the line edit
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setExpression(mLineEdit->text());
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}
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void QgsDefaultSearchWidgetWrapper::setExpression(QString exp)
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{
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QString sensString = mCaseString;
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QVariant::Type fldType = layer()->pendingFields()[mFieldIdx].type();
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bool numeric = ( fldType == QVariant::Int || fldType == QVariant::Double || fldType == QVariant::LongLong );
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QSettings settings;
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QString nullValue = settings.value( "qgis/nullValue", "NULL" ).toString();
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QString fieldName = layer()->pendingFields()[mFieldIdx].name();
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QString str;
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if ( exp == nullValue )
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{
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str = QString( "%1 IS NULL" ).arg( QgsExpression::quotedColumnRef( fieldName ) );
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}
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else
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{
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str = QString( "%1 %2 '%3'" )
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.arg( QgsExpression::quotedColumnRef( fieldName ) )
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.arg( numeric ? "=" : sensString )
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.arg( numeric
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? exp.replace( "'", "''" )
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:
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"%" + exp.replace( "'", "''" ) + "%" ); // escape quotes
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}
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mExpression = str;
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emit expressionChanged(mExpression);
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}
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QWidget* QgsDefaultSearchWidgetWrapper::createWidget( QWidget* parent )
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{
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return new QWidget( parent );
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}
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bool QgsDefaultSearchWidgetWrapper::applyDirectly()
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{
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return false;
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}
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void QgsDefaultSearchWidgetWrapper::initWidget( QWidget* widget )
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{
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mContainer = widget;
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mContainer->setLayout(new QHBoxLayout() );
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mLineEdit = new QgsFilterLineEdit();
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mCheckbox = new QCheckBox("Case sensitive");
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mCheckbox->setChecked(Qt::Unchecked);
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mContainer->layout()->addWidget(mLineEdit);
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mContainer->layout()->addWidget(mCheckbox);
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connect( mLineEdit, SIGNAL( textChanged( QString ) ), this, SLOT( setExpression( QString ) ) );
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connect( mCheckbox, SIGNAL( stateChanged( int ) ), this, SLOT( setCaseString(int) ) );
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}
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