[custom widgets] adds filter line edit

python/gui/qgsfilterlineedit.sip

@@ -10,6 +10,8 @@ class QgsFilterLineEdit : QLineEdit
     QgsFilterLineEdit( QWidget* parent = 0 );
 
     void setNullValue( QString nullValue );
+
+    QString nullValue() const;
 
   signals:
     void cleared();

src/customwidgets/CMakeLists.txt

@@ -22,6 +22,7 @@ SET (QGIS_CUSTOMWIDGETS_SRCS
   qgsdatadefinedbuttonplugin.cpp
   qgsfieldcomboboxplugin.cpp
   qgsfieldexpressionwidgetplugin.cpp
+  qgsfilterlineeditplugin.cpp
   qgsmaplayercomboboxplugin.cpp
   qgsrelationeditorwidgetplugin.cpp
   qgsrelationreferencewidgetplugin.cpp
@@ -37,6 +38,7 @@ SET (QGIS_CUSTOMWIDGETS_MOC_HDRS
   qgsdatadefinedbuttonplugin.h
   qgsfieldcomboboxplugin.h
   qgsfieldexpressionwidgetplugin.h
+  qgsfilterlineeditplugin.h
   qgsmaplayercomboboxplugin.h
   qgsrelationeditorwidgetplugin.h
   qgsrelationreferencewidgetplugin.h
@@ -60,6 +62,7 @@ SET(QGIS_CUSTOMWIDGETS_HDRS
   qgsdatadefinedbuttonplugin.h
   qgsfieldcomboboxplugin.h
   qgsfieldexpressionwidgetplugin.h
+  qgsfilterlineeditplugin.h
   qgsmaplayercomboboxplugin.h
   qgsrelationeditorwidgetplugin.h
   qgsrelationreferencewidgetplugin.h

src/customwidgets/qgsfilterlineeditplugin.cpp

@@ -0,0 +1,100 @@
+/***************************************************************************
+   qgsfilterlineeditplugin.cpp
+    --------------------------------------
+   Date                 : 20.08.2014
+   Copyright            : (C) 2014 Denis Rouzaud
+   Email                : denis.rouzaud@gmail.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 "qgiscustomwidgets.h"
+#include "qgsfilterlineedit.h"
+#include "qgsfilterlineeditplugin.h"
+
+
+QgsFilterLineEditPlugin::QgsFilterLineEditPlugin( QObject *parent )
+    : QObject( parent )
+    , mInitialized( false )
+{
+}
+
+
+QString QgsFilterLineEditPlugin::name() const
+{
+  return "QgsFilterLineEdit";
+}
+
+QString QgsFilterLineEditPlugin::group() const
+{
+  return QgisCustomWidgets::groupName();
+}
+
+QString QgsFilterLineEditPlugin::includeFile() const
+{
+  return "qgsfilterlineedit.h";
+}
+
+QIcon QgsFilterLineEditPlugin::icon() const
+{
+  return QIcon();
+}
+
+bool QgsFilterLineEditPlugin::isContainer() const
+{
+  return false;
+}
+
+QWidget *QgsFilterLineEditPlugin::createWidget( QWidget *parent )
+{
+  return new QgsFilterLineEdit( parent );
+}
+
+bool QgsFilterLineEditPlugin::isInitialized() const
+{
+  return mInitialized;
+}
+
+void QgsFilterLineEditPlugin::initialize( QDesignerFormEditorInterface *core )
+{
+  Q_UNUSED( core );
+  if ( mInitialized )
+    return;
+  mInitialized = true;
+}
+
+
+QString QgsFilterLineEditPlugin::toolTip() const
+{
+  return "";
+}
+
+QString QgsFilterLineEditPlugin::whatsThis() const
+{
+  return "";
+}
+
+QString QgsFilterLineEditPlugin::domXml() const
+{
+  return QString( "<ui language=\"c++\">\n"
+                  " <widget class=\"%1\" name=\"mLineEdit\">\n"
+                  "  <property name=\"qgisRelation\" >\n"
+                  "   <string notr=\"true\"></string>\n"
+                  "  </property>\n"
+                  "  <property name=\"geometry\">\n"
+                  "   <rect>\n"
+                  "    <x>0</x>\n"
+                  "    <y>0</y>\n"
+                  "    <width>60</width>\n"
+                  "    <height>27</height>\n"
+                  "   </rect>\n"
+                  "  </property>\n"
+                  " </widget>\n"
+                  "</ui>\n" )
+         .arg( name() );
+}

src/customwidgets/qgsfilterlineeditplugin.h

@@ -0,0 +1,48 @@
+/***************************************************************************
+   qgsfilterlineeditplugin.h
+    --------------------------------------
+   Date                 : 20.08.2014
+   Copyright            : (C) 2014 Denis Rouzaud
+   Email                : denis.rouzaud@gmail.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 QGSFILTERLINEEDITPLUGIN_H
+#define QGSFILTERLINEEDITPLUGIN_H
+
+#include <QDesignerExportWidget>
+#include <QDesignerCustomWidgetInterface>
+
+
+class CUSTOMWIDGETS_EXPORT QgsFilterLineEditPlugin : public QObject, public QDesignerCustomWidgetInterface
+{
+    Q_OBJECT
+    Q_INTERFACES( QDesignerCustomWidgetInterface )
+
+  public:
+    explicit QgsFilterLineEditPlugin( QObject *parent = 0 );
+
+  private:
+    bool mInitialized;
+
+    // QDesignerCustomWidgetInterface interface
+  public:
+    QString name() const;
+    QString group() const;
+    QString includeFile() const;
+    QIcon icon() const;
+    bool isContainer() const;
+    QWidget *createWidget( QWidget *parent );
+    bool isInitialized() const;
+    void initialize( QDesignerFormEditorInterface *core );
+    QString toolTip() const;
+    QString whatsThis() const;
+    QString domXml() const;
+};
+#endif // QGSFILTERLINEEDITPLUGIN_H

src/gui/qgsfilterlineedit.h

@@ -28,11 +28,15 @@ class QToolButton;
 class GUI_EXPORT QgsFilterLineEdit : public QLineEdit
 {
     Q_OBJECT
+    Q_PROPERTY( QString nullValue READ nullValue WRITE setNullValue )
+
   public:
     QgsFilterLineEdit( QWidget* parent = 0, QString nullValue = QString::null );
 
     void setNullValue( QString nullValue ) { mNullValue = nullValue; }
 
+    QString nullValue() const {return mNullValue;}
+
   signals:
     void cleared();