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src
gui
qgsexpressionbuilderdialog.h
Go to the documentation of this file.
1
/***************************************************************************
2
qgisexpressionbuilderdialog.h - A genric expression string builder dialog.
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--------------------------------------
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Date : 29-May-2011
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Copyright : (C) 2011 by Nathan Woodrow
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Email : woodrow.nathan 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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#ifndef QGSEXPRESSIONBUILDERDIALOG_H
17
#define QGSEXPRESSIONBUILDERDIALOG_H
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#include <QDialog>
20
#include "
qgsdistancearea.h
"
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#include "ui_qgsexpressionbuilderdialogbase.h"
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27
class
GUI_EXPORT
QgsExpressionBuilderDialog
:
public
QDialog
,
private
Ui::QgsExpressionBuilderDialogBase
28
{
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Q_OBJECT
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public
:
32
QgsExpressionBuilderDialog
(
QgsVectorLayer
* layer,
const
QString
& startText =
QString
(),
QWidget
* parent =
nullptr
,
const
QString
& key =
"generic"
,
33
const
QgsExpressionContext
& context =
QgsExpressionContext
() );
34
36
QgsExpressionBuilderWidget
* expressionBuilder();
37
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void
setExpressionText(
const
QString
& text );
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40
QString
expressionText();
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47
QgsExpressionContext
expressionContext()
const
;
48
55
void
setExpressionContext(
const
QgsExpressionContext
& context );
56
58
void
setGeomCalculator(
const
QgsDistanceArea
& da );
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protected
:
67
virtual
void
done
(
int
r )
override
;
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69
virtual
void
accept
()
override
;
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private
:
72
QString
mRecentKey;
73
};
74
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#endif
QWidget
QDialog::done
virtual void done(int r)
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition:
qgsexpressioncontext.h:250
QString
QDialog::accept
virtual void accept()
QgsDistanceArea
General purpose distance and area calculator.
Definition:
qgsdistancearea.h:38
QgsExpressionBuilderWidget
A reusable widget that can be used to build a expression string.
Definition:
qgsexpressionbuilderwidget.h:120
qgsdistancearea.h
QDialog
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition:
qgsvectorlayer.h:408
QgsExpressionBuilderDialog
A generic dialog for building expression strings.
Definition:
qgsexpressionbuilderdialog.h:27
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