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Implement custom layer filter GUI for SensorThings layer filters

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This commit is contained in:
Nyall Dawson 2024-02-27 15:33:05 +10:00
parent 4c97462919
commit 1e07d03b74
7 changed files with 509 additions and 1 deletions
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2
src/core/providers/sensorthings/qgssensorthingsprovider.h
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@ -30,7 +30,7 @@
*
* \since QGIS 3.36
*/
class QgsSensorThingsProvider final : public QgsVectorDataProvider
class CORE_EXPORT QgsSensorThingsProvider final : public QgsVectorDataProvider
{
Q_OBJECT

2
src/gui/CMakeLists.txt
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@ -464,6 +464,7 @@ set(QGIS_GUI_SRCS
providers/sensorthings/qgssensorthingsguiprovider.cpp
providers/sensorthings/qgssensorthingssourceselect.cpp
providers/sensorthings/qgssensorthingssourcewidget.cpp
providers/sensorthings/qgssensorthingssubseteditor.cpp
providers/vtpkvectortiles/qgsvtpkvectortileguiprovider.cpp
providers/vtpkvectortiles/qgsvtpkvectortilesourcewidget.cpp
@ -1426,6 +1427,7 @@ set(QGIS_GUI_HDRS
providers/sensorthings/qgssensorthingsguiprovider.h
providers/sensorthings/qgssensorthingssourceselect.h
providers/sensorthings/qgssensorthingssourcewidget.h
providers/sensorthings/qgssensorthingssubseteditor.h
providers/vtpkvectortiles/qgsvtpkvectortileguiprovider.h
providers/vtpkvectortiles/qgsvtpkvectortilesourcewidget.h

33
src/gui/providers/sensorthings/qgssensorthingsguiprovider.cpp
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@ -30,6 +30,9 @@
#include "qgssensorthingsprovider.h"
#include "qgssensorthingsdataitemguiprovider.h"
#include "qgsapplication.h"
#include "qgssubsetstringeditorprovider.h"
#include "qgssensorthingssubseteditor.h"
#include "qgsvectorlayer.h"
//
// QgsSensorThingsSourceSelectProvider
@ -112,4 +115,34 @@ QList<QgsDataItemGuiProvider *> QgsSensorThingsProviderGuiMetadata::dataItemGuiP
return { new QgsSensorThingsDataItemGuiProvider() };
}
class QgsSensorThingsSubsetStringEditorProvider: public QgsSubsetStringEditorProvider
{
public:
QString providerKey() const override { return QgsSensorThingsProvider::SENSORTHINGS_PROVIDER_KEY; }
bool canHandleLayer( QgsVectorLayer *layer ) const override
{
QgsDataProvider *provider = layer->dataProvider();
return static_cast< bool >( qobject_cast<QgsSensorThingsProvider *>( provider ) );
}
QgsSubsetStringEditorInterface *createDialog( QgsVectorLayer *layer, QWidget *parent, Qt::WindowFlags fl ) override
{
QgsDataProvider *provider = layer->dataProvider();
QgsSensorThingsProvider *sensorThingsProvider = qobject_cast<QgsSensorThingsProvider *>( provider );
if ( !sensorThingsProvider )
return nullptr;
return new QgsSensorThingsSubsetEditor( layer, QgsFields(), parent, fl );
}
};
QList<QgsSubsetStringEditorProvider *> QgsSensorThingsProviderGuiMetadata::subsetStringEditorProviders()
{
return QList<QgsSubsetStringEditorProvider *>()
<< new QgsSensorThingsSubsetStringEditorProvider;
}
///@endcond

2
src/gui/providers/sensorthings/qgssensorthingsguiprovider.h
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@ -53,6 +53,8 @@ class QgsSensorThingsProviderGuiMetadata: public QgsProviderGuiMetadata
QList<QgsSourceSelectProvider *> sourceSelectProviders() override;
QList<QgsProviderSourceWidgetProvider *> sourceWidgetProviders() override;
QList<QgsDataItemGuiProvider *> dataItemGuiProviders() override;
QList<QgsSubsetStringEditorProvider *> subsetStringEditorProviders() override;
};
///@endcond

158
src/gui/providers/sensorthings/qgssensorthingssubseteditor.cpp Normal file
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@ -0,0 +1,158 @@
/***************************************************************************
qgssensorthingssubseteditor.cpp
--------------------------------------
Date : February 2024
Copyright : (C) 2024 by Nyall Dawson
Email : nyall dot dawson at gmail dot 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 "qgssensorthingssubseteditor.h"
#include "qgsvectorlayer.h"
#include "qgscodeeditor.h"
#include "qgsfieldproxymodel.h"
#include "qgsfieldmodel.h"
#include <QHBoxLayout>
#include <QLabel>
#include <QStandardItemModel>
#include <QPushButton>
///@cond PRIVATE
QgsSensorThingsSubsetEditor::QgsSensorThingsSubsetEditor( QgsVectorLayer *layer, const QgsFields &fields, QWidget *parent, Qt::WindowFlags fl )
: QgsSubsetStringEditorInterface( parent, fl )
, mLayer( layer )
, mFields( ( layer && fields.isEmpty() ) ? layer->fields() : fields )
{
setupUi( this );
mSubsetEditor = new QgsCodeEditor();
mSubsetEditor->setWrapMode( QsciScintilla::WrapWord );
QVBoxLayout *vl = new QVBoxLayout();
vl->addWidget( mSubsetEditor );
mEditorGroupBox->setLayout( vl );
mModelFields = new QgsFieldProxyModel();
mModelFields->setFilters( QgsFieldProxyModel::Filter::AllTypes | QgsFieldProxyModel::Filter::OriginProvider );
mModelFields->sourceFieldModel()->setFields( mFields );
lstFields->setModel( mModelFields );
lstFields->setViewMode( QListView::ListMode );
lstFields->setUniformItemSizes( true );
lstFields->setAlternatingRowColors( true );
lstFields->setSelectionBehavior( QAbstractItemView::SelectRows );
QFont boldFont = font();
boldFont.setBold( true );
mLabelComparisons->setFont( boldFont );
mLabelLogical->setFont( boldFont );
mLabelArithmetic->setFont( boldFont );
mButtonEq->setToolTip( tr( "Equal" ) );
mButtonEq->setProperty( "expression", " eq " );
mButtonNe->setToolTip( tr( "Not equal" ) );
mButtonNe->setProperty( "expression", " ne " );
mButtonGt->setToolTip( tr( "Greater than" ) );
mButtonGt->setProperty( "expression", " gt " );
mButtonGe->setToolTip( tr( "Greater than or equal" ) );
mButtonGe->setProperty( "expression", " ge " );
mButtonLt->setToolTip( tr( "Less than" ) );
mButtonLt->setProperty( "expression", " lt " );
mButtonLe->setToolTip( tr( "Less than or equal" ) );
mButtonLe->setProperty( "expression", " le " );
mButtonAnd->setToolTip( tr( "Logical and" ) );
mButtonAnd->setProperty( "expression", " and " );
mButtonOr->setToolTip( tr( "Logical or" ) );
mButtonOr->setProperty( "expression", " or " );
mButtonNot->setToolTip( tr( "Logical negation" ) );
mButtonNot->setProperty( "expression", " not " );
mButtonAdd->setToolTip( tr( "Addition" ) );
mButtonAdd->setProperty( "expression", " add " );
mButtonSub->setToolTip( tr( "Subtraction" ) );
mButtonSub->setProperty( "expression", " sub " );
mButtonMul->setToolTip( tr( "Multiplication" ) );
mButtonMul->setProperty( "expression", " mul " );
mButtonDiv->setToolTip( tr( "Division" ) );
mButtonDiv->setProperty( "expression", " div " );
mButtonMod->setToolTip( tr( "Modulo" ) );
mButtonMod->setProperty( "expression", " mod " );
if ( mLayer )
lblDataUri->setText( tr( "Set filter on %1" ).arg( mLayer->name() ) );
else
lblDataUri->setText( tr( "Set filter for layer" ) );
connect( mButtonBox->button( QDialogButtonBox::Reset ), &QPushButton::clicked, this, &QgsSensorThingsSubsetEditor::reset );
connect( mButtonBox, &QDialogButtonBox::accepted, this, &QgsSensorThingsSubsetEditor::accept );
connect( mButtonBox, &QDialogButtonBox::rejected, this, &QgsSensorThingsSubsetEditor::reject );
connect( lstFields, &QListView::doubleClicked, this, &QgsSensorThingsSubsetEditor::lstFieldsDoubleClicked );
for ( QPushButton *button :
{
mButtonEq,
mButtonNe,
mButtonGt,
mButtonGe,
mButtonLt,
mButtonLe,
mButtonAnd,
mButtonOr,
mButtonNot,
mButtonAdd,
mButtonSub,
mButtonMul,
mButtonDiv,
mButtonMod
} )
{
connect( button, &QPushButton::clicked, this, [this, button]
{
mSubsetEditor->insertText( button->property( "expression" ).toString() );
mSubsetEditor->setFocus();
} );
}
}
QString QgsSensorThingsSubsetEditor::subsetString() const
{
return mSubsetEditor->text();
}
void QgsSensorThingsSubsetEditor::setSubsetString( const QString &subsetString )
{
mSubsetEditor->setText( subsetString );
}
void QgsSensorThingsSubsetEditor::accept()
{
if ( mLayer )
{
mLayer->setSubsetString( subsetString() );
}
QDialog::accept();
}
void QgsSensorThingsSubsetEditor::reset()
{
mSubsetEditor->clear();
}
void QgsSensorThingsSubsetEditor::lstFieldsDoubleClicked( const QModelIndex &index )
{
mSubsetEditor->insertText( mModelFields->data( index, static_cast< int >( QgsFieldModel::CustomRole::FieldName ) ).toString() );
mSubsetEditor->setFocus();
}
///@endcond

61
src/gui/providers/sensorthings/qgssensorthingssubseteditor.h Normal file
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@ -0,0 +1,61 @@
/***************************************************************************
qgssensorthingssubseteditor.h
--------------------------------------
Date : February 2024
Copyright : (C) 2024 by Nyall Dawson
Email : nyall dot dawson at gmail dot 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. *
* *
***************************************************************************/
#ifndef QGSSENSORTHINGSSUBSETEDITOR_H
#define QGSSENSORTHINGSSUBSETEDITOR_H
#include "qgis.h"
#include "ui_qgssensorthingssubseteditorbase.h"
#include "qgssubsetstringeditorinterface.h"
#include "qgsfields.h"
#include <QVariantMap>
#include <QPointer>
class QgsVectorLayer;
class QgsCodeEditor;
class QgsFieldProxyModel;
///@cond PRIVATE
#define SIP_NO_FILE
class QgsSensorThingsSubsetEditor : public QgsSubsetStringEditorInterface, protected Ui::QgsSensorThingsSubsetEditorBase
{
Q_OBJECT
public:
QgsSensorThingsSubsetEditor( QgsVectorLayer *layer = nullptr,
const QgsFields &fields = QgsFields(),
QWidget *parent SIP_TRANSFERTHIS = nullptr,
Qt::WindowFlags fl = QgsGuiUtils::ModalDialogFlags );
QString subsetString() const override;
void setSubsetString( const QString &subsetString ) override;
private slots:
void accept() override;
void reset();
void lstFieldsDoubleClicked( const QModelIndex &index );
private:
QgsCodeEditor *mSubsetEditor = nullptr;
QPointer< QgsVectorLayer > mLayer;
QgsFields mFields;
QgsFieldProxyModel *mModelFields = nullptr;
};
///@endcond
#endif // QGSSENSORTHINGSSUBSETEDITOR_H

252
src/ui/qgssensorthingssubseteditorbase.ui Normal file
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@ -0,0 +1,252 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>QgsSensorThingsSubsetEditorBase</class>
<widget class="QWidget" name="QgsSensorThingsSubsetEditorBase">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>816</width>
<height>740</height>
</rect>
</property>
<property name="windowTitle">
<string>OGC SensorThings Data Filter</string>
</property>
<layout class="QGridLayout" name="gridLayout" rowstretch="0,0,1,0">
<item row="0" column="0" colspan="2">
<widget class="QLabel" name="lblDataUri">
<property name="text">
<string>Datasource</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QGroupBox" name="groupBox1">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="title">
<string>Fields</string>
</property>
<layout class="QGridLayout">
<property name="leftMargin">
<number>11</number>
</property>
<property name="topMargin">
<number>11</number>
</property>
<property name="rightMargin">
<number>11</number>
</property>
<property name="bottomMargin">
<number>11</number>
</property>
<item row="0" column="0">
<widget class="QListView" name="lstFields">
<property name="whatsThis">
<string>&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;List of fields in this vector file&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="1" column="1">
<widget class="QgsCollapsibleGroupBox" name="groupBox4">
<property name="title">
<string>Operators</string>
</property>
<layout class="QGridLayout" name="_3">
<property name="leftMargin">
<number>11</number>
</property>
<property name="topMargin">
<number>11</number>
</property>
<property name="rightMargin">
<number>11</number>
</property>
<property name="bottomMargin">
<number>11</number>
</property>
<item row="3" column="1">
<widget class="QPushButton" name="mButtonOr">
<property name="text">
<string>or</string>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QPushButton" name="mButtonGt">
<property name="text">
<string>gt</string>
</property>
</widget>
</item>
<item row="1" column="5">
<widget class="QPushButton" name="mButtonLe">
<property name="text">
<string>le</string>
</property>
</widget>
</item>
<item row="3" column="0">
<widget class="QPushButton" name="mButtonAnd">
<property name="text">
<string>and</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QPushButton" name="mButtonEq">
<property name="text">
<string>eq</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QPushButton" name="mButtonNe">
<property name="text">
<string>ne</string>
</property>
</widget>
</item>
<item row="3" column="2">
<widget class="QPushButton" name="mButtonNot">
<property name="text">
<string>not</string>
</property>
</widget>
</item>
<item row="0" column="0" colspan="6">
<widget class="QLabel" name="mLabelComparisons">
<property name="text">
<string>Comparisons</string>
</property>
</widget>
</item>
<item row="5" column="0">
<widget class="QPushButton" name="mButtonAdd">
<property name="text">
<string>add</string>
</property>
</widget>
</item>
<item row="2" column="0" colspan="6">
<widget class="QLabel" name="mLabelLogical">
<property name="text">
<string>Logical operators</string>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QPushButton" name="mButtonGe">
<property name="text">
<string>ge</string>
</property>
</widget>
</item>
<item row="1" column="4">
<widget class="QPushButton" name="mButtonLt">
<property name="text">
<string>lt</string>
</property>
</widget>
</item>
<item row="1" column="6">
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item row="4" column="0" colspan="6">
<widget class="QLabel" name="mLabelArithmetic">
<property name="text">
<string>Arithmetic</string>
</property>
</widget>
</item>
<item row="5" column="1">
<widget class="QPushButton" name="mButtonSub">
<property name="text">
<string>sub</string>
</property>
</widget>
</item>
<item row="5" column="2">
<widget class="QPushButton" name="mButtonMul">
<property name="text">
<string>mul</string>
</property>
</widget>
</item>
<item row="5" column="3">
<widget class="QPushButton" name="mButtonDiv">
<property name="text">
<string>div</string>
</property>
</widget>
</item>
<item row="5" column="4">
<widget class="QPushButton" name="mButtonMod">
<property name="text">
<string>mod</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="2" column="0" colspan="2">
<widget class="QGroupBox" name="mEditorGroupBox">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="title">
<string>OGC SensorThings Filter Expression</string>
</property>
</widget>
</item>
<item row="3" column="0" colspan="2">
<widget class="QDialogButtonBox" name="mButtonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok|QDialogButtonBox::Reset</set>
</property>
<property name="centerButtons">
<bool>false</bool>
</property>
</widget>
</item>
</layout>
</widget>
<customwidgets>
<customwidget>
<class>QgsCollapsibleGroupBox</class>
<extends>QGroupBox</extends>
<header>qgscollapsiblegroupbox.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<resources/>
<connections/>
</ui>