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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /*************************************************************************** | ||
| qgsattributeeditortextelement.cpp - QgsAttributeEditorTextelement | ||
| --------------------- | ||
| begin : 28.12.2022 | ||
| copyright : (C) 2022 by Alessandro Pasotti | ||
| email : elpaso at itopen dot it | ||
| *************************************************************************** | ||
| * * | ||
| * 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 "qgsattributeeditortextelement.h" | ||
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| QgsAttributeEditorElement *QgsAttributeEditorTextElement::clone( QgsAttributeEditorElement *parent ) const | ||
| { | ||
| QgsAttributeEditorTextElement *element = new QgsAttributeEditorTextElement( name(), parent ); | ||
| element->setText( mText ); | ||
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| return element; | ||
| } | ||
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| QString QgsAttributeEditorTextElement::text() const | ||
| { | ||
| return mText; | ||
| } | ||
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| void QgsAttributeEditorTextElement::setText( const QString &text ) | ||
| { | ||
| mText = text; | ||
| } | ||
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| void QgsAttributeEditorTextElement::saveConfiguration( QDomElement &elem, QDomDocument &doc ) const | ||
| { | ||
| const QDomText textElem = doc.createTextNode( mText ); | ||
| elem.appendChild( textElem ); | ||
| } | ||
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| void QgsAttributeEditorTextElement::loadConfiguration( const QDomElement &element, const QString &layerId, const QgsReadWriteContext &context, const QgsFields &fields ) | ||
| { | ||
| Q_UNUSED( layerId ) | ||
| Q_UNUSED( context ) | ||
| Q_UNUSED( fields ) | ||
| setText( element.text() ); | ||
| } | ||
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| QString QgsAttributeEditorTextElement::typeIdentifier() const | ||
| { | ||
| return QStringLiteral( "attributeEditorTextElement" ); | ||
| } | ||
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /*************************************************************************** | ||
| qgsattributeeditortextelement.h - QgsAttributeEditorTextElement | ||
| --------------------- | ||
| begin : 28.12.2022 | ||
| copyright : (C) 2022 by Alessandro Pasotti | ||
| email : elpaso at itopen dot it | ||
| *************************************************************************** | ||
| * * | ||
| * 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. * | ||
| * * | ||
| ***************************************************************************/ | ||
| #ifndef QGSATTRIBUTEEDITORTEXTELEMENT_H | ||
| #define QGSATTRIBUTEEDITORTEXTELEMENT_H | ||
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| #include "qgis_core.h" | ||
| #include "qgsattributeeditorelement.h" | ||
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| /** | ||
| * \ingroup core | ||
| * \brief An attribute editor widget that will represent arbitrary text code. | ||
| * | ||
| * \since QGIS 3.30 | ||
| */ | ||
| class CORE_EXPORT QgsAttributeEditorTextElement : public QgsAttributeEditorElement | ||
| { | ||
| public: | ||
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| /** | ||
| * Creates a new element which can display text | ||
| * | ||
| * \param name The name of the widget | ||
| * \param parent The parent (used as container) | ||
| */ | ||
| QgsAttributeEditorTextElement( const QString &name, QgsAttributeEditorElement *parent ) | ||
| : QgsAttributeEditorElement( AeTypeTextElement, name, parent ) | ||
| {} | ||
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| QgsAttributeEditorElement *clone( QgsAttributeEditorElement *parent ) const override SIP_FACTORY; | ||
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| /** | ||
| * The Text that will be represented within this widget. | ||
| */ | ||
| QString text() const; | ||
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| /** | ||
| * Sets the text that will be represented within this widget to \a text | ||
| */ | ||
| void setText( const QString &text ); | ||
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| private: | ||
| void saveConfiguration( QDomElement &elem, QDomDocument &doc ) const override; | ||
| void loadConfiguration( const QDomElement &element, const QString &layerId, const QgsReadWriteContext &context, const QgsFields &fields ) override; | ||
| QString typeIdentifier() const override; | ||
| QString mText; | ||
| }; | ||
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| #endif // QGSATTRIBUTEEDITORTEXTELEMENT_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /*************************************************************************** | ||
| qgstextwidgetwrapper.h | ||
| --------------------- | ||
| begin : 28.12.2022 | ||
| copyright : (C) 2022 by Alessandro Pasotti | ||
| email : elpaso at itopen dot it | ||
| *************************************************************************** | ||
| * * | ||
| * 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. * | ||
| * * | ||
| ***************************************************************************/ | ||
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| #include "qgstextwidgetwrapper.h" | ||
| #include "qgsexpressioncontextutils.h" | ||
| #include "qgsattributeform.h" | ||
| #include "qgsvaluerelationfieldformatter.h" | ||
| #include <QScreen> | ||
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| QgsTextWidgetWrapper::QgsTextWidgetWrapper( QgsVectorLayer *layer, QWidget *editor, QWidget *parent ) | ||
| : QgsWidgetWrapper( layer, editor, parent ) | ||
| { | ||
| connect( this, &QgsWidgetWrapper::contextChanged, this, &QgsTextWidgetWrapper::updateTextContext ); | ||
| } | ||
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| bool QgsTextWidgetWrapper::valid() const | ||
| { | ||
| return true; | ||
| } | ||
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| QWidget *QgsTextWidgetWrapper::createWidget( QWidget *parent ) | ||
| { | ||
| QgsAttributeForm *form = qobject_cast<QgsAttributeForm *>( parent ); | ||
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| if ( form ) | ||
| { | ||
| mFormFeature = form->feature(); | ||
| connect( form, &QgsAttributeForm::widgetValueChanged, this, [ = ]( const QString & attribute, const QVariant & newValue, bool attributeChanged ) | ||
| { | ||
| if ( attributeChanged ) | ||
| { | ||
| bool ok { false }; | ||
| const thread_local QRegularExpression sRegEx{ QStringLiteral( "\\[%(.*?)%\\]" ), QRegularExpression::MultilineOption | QRegularExpression::DotMatchesEverythingOption }; | ||
| QRegularExpressionMatchIterator matchIt { sRegEx.globalMatch( mText ) }; | ||
| while ( !ok && matchIt.hasNext() ) | ||
| { | ||
| const QRegularExpressionMatch match { matchIt.next() }; | ||
| const QgsExpression exp { match.captured( 1 ) }; | ||
| ok = QgsValueRelationFieldFormatter::expressionRequiresFormScope( exp ); | ||
| } | ||
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| if ( ok ) | ||
| { | ||
| mFormFeature.setAttribute( attribute, newValue ); | ||
| updateTextContext(); | ||
| } | ||
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| } | ||
| } ); | ||
| } | ||
| return new QLabel( parent ); | ||
| } | ||
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| void QgsTextWidgetWrapper::initWidget( QWidget *editor ) | ||
| { | ||
| mWidget = qobject_cast<QLabel *>( editor ); | ||
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| if ( !mWidget ) | ||
| return; | ||
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| mWidget->setText( QgsExpression::replaceExpressionText( mText, &mTextContext ) ); | ||
| mWidget->setOpenExternalLinks( true ); | ||
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| const thread_local QRegularExpression sRegEx{ QStringLiteral( "\\[%(.*?)%\\]" ), QRegularExpression::MultilineOption | QRegularExpression::DotMatchesEverythingOption }; | ||
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| mNeedsGeometry = false; | ||
| QRegularExpressionMatchIterator matchIt { sRegEx.globalMatch( mText ) }; | ||
| while ( !mNeedsGeometry && matchIt.hasNext() ) | ||
| { | ||
| const QRegularExpressionMatch match { matchIt.next() }; | ||
| const QgsExpression exp { match.captured( 1 ) }; | ||
| mNeedsGeometry = exp.needsGeometry(); | ||
| } | ||
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| } | ||
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| void QgsTextWidgetWrapper::reinitWidget( ) | ||
| { | ||
| if ( !mWidget ) | ||
| return; | ||
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| initWidget( mWidget ); | ||
| } | ||
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| void QgsTextWidgetWrapper::setText( const QString &text ) | ||
| { | ||
| mText = text; | ||
| reinitWidget(); | ||
| } | ||
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| bool QgsTextWidgetWrapper::needsGeometry() const | ||
| { | ||
| return mNeedsGeometry; | ||
| } | ||
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| void QgsTextWidgetWrapper::updateTextContext( ) | ||
| { | ||
| if ( !mWidget ) | ||
| return; | ||
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| const QgsAttributeEditorContext attributeContext = context(); | ||
| mTextContext = layer()->createExpressionContext(); | ||
| mTextContext << QgsExpressionContextUtils::formScope( mFormFeature, attributeContext.attributeFormModeString() ); | ||
| if ( attributeContext.parentFormFeature().isValid() ) | ||
| { | ||
| mTextContext << QgsExpressionContextUtils::parentFormScope( attributeContext.parentFormFeature() ); | ||
| } | ||
| mTextContext.setFeature( mFeature ); | ||
| mWidget->setText( QgsExpression::replaceExpressionText( mText, &mTextContext ) ); | ||
| } | ||
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| void QgsTextWidgetWrapper::setFeature( const QgsFeature &feature ) | ||
| { | ||
| if ( !mWidget ) | ||
| return; | ||
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| mFeature = feature; | ||
| mFormFeature = feature; | ||
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| updateTextContext(); | ||
| } | ||
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