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src
gui
qgsexpressionbuilderdialog.h
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/***************************************************************************
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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
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#define QGSEXPRESSIONBUILDERDIALOG_H
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#include <QDialog>
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#include "
qgsdistancearea.h
"
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#include "ui_qgsexpressionbuilderdialogbase.h"
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class
GUI_EXPORT
QgsExpressionBuilderDialog
:
public
QDialog
,
private
Ui::QgsExpressionBuilderDialogBase
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{
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public
:
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QgsExpressionBuilderDialog
(
QgsVectorLayer
* layer,
const
QString
& startText =
QString
(),
QWidget
* parent = NULL,
const
QString
& key =
"generic"
,
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const
QgsExpressionContext
& context =
QgsExpressionContext
() );
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QgsExpressionBuilderWidget
* expressionBuilder();
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void
setExpressionText(
const
QString
& text );
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QString
expressionText();
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QgsExpressionContext
expressionContext()
const
;
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void
setExpressionContext(
const
QgsExpressionContext
& context );
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void
setGeomCalculator(
const
QgsDistanceArea
& da );
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protected
:
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virtual
void
done
(
int
r )
override
;
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virtual
void
accept
()
override
;
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private
:
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QString
mRecentKey;
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};
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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:239
QString
QDialog::accept
virtual void accept()
QgsDistanceArea
General purpose distance and area calculator.
Definition:
qgsdistancearea.h:36
QgsExpressionBuilderWidget
A reusable widget that can be used to build a expression string.
Definition:
qgsexpressionbuilderwidget.h:144
qgsdistancearea.h
QDialog
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition:
qgsvectorlayer.h:628
QgsExpressionBuilderDialog
A generic dialog for building expression strings.
Definition:
qgsexpressionbuilderdialog.h:26
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