QGIS API Documentation  2.5.0-Master
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
qgsexpressionbuilderdialog.h
Go to the documentation of this file.
1 /***************************************************************************
2  qgisexpressionbuilderdialog.h - A genric expression string builder dialog.
3  --------------------------------------
4  Date : 29-May-2011
5  Copyright : (C) 2011 by Nathan Woodrow
6  Email : woodrow.nathan at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSEXPRESSIONBUILDERDIALOG_H
17 #define QGSEXPRESSIONBUILDERDIALOG_H
18 
19 #include <QDialog>
20 #include "qgsdistancearea.h"
21 #include "ui_qgsexpressionbuilderdialogbase.h"
22 
26 class GUI_EXPORT QgsExpressionBuilderDialog : public QDialog, private Ui::QgsExpressionBuilderDialogBase
27 {
28  public:
29  QgsExpressionBuilderDialog( QgsVectorLayer* layer, QString startText = QString(), QWidget* parent = NULL, QString key = "generic" );
30 
32  QgsExpressionBuilderWidget* expressionBuilder();
33 
34  void setExpressionText( const QString& text );
35 
36  QString expressionText();
37 
41  void setGeomCalculator( const QgsDistanceArea & da );
42 
43  protected:
50  virtual void done( int r );
51 
52  virtual void accept();
53 
54  private:
55  QString mRecentKey;
56 };
57 
58 #endif
General purpose distance and area calculator.
Definition: qgsdistancearea.h:34
A reusable widget that can be used to build a expression string.
Definition: qgsexpressionbuilderwidget.h:107
Represents a vector layer which manages a vector based data sets.
Definition: qgsvectorlayer.h:470
A generic dialog for building expression strings.
Definition: qgsexpressionbuilderdialog.h:26