Fix stats dock not working with field names with spaces (fix #14541)

nyalldawson · nyalldawson · commit 0760e30ea60f · 2016-04-04T14:31:53.000+10:00
(cherry-picked from 53b493c)
diff --git a/src/app/qgsstatisticalsummarydockwidget.cpp b/src/app/qgsstatisticalsummarydockwidget.cpp
@@ -107,7 +107,7 @@ QgsStatisticalSummaryDockWidget::~QgsStatisticalSummaryDockWidget()
 
 void QgsStatisticalSummaryDockWidget::refreshStatistics()
 {
-  if ( !mLayer || !mFieldExpressionWidget->isValidExpression() )
+  if ( !mLayer || ( mFieldExpressionWidget->isExpression() && !mFieldExpressionWidget->isValidExpression() ) )
   {
     mStatisticsTable->setRowCount( 0 );
     return;

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ QgsStatisticalSummaryDockWidget::~QgsStatisticalSummaryDockWidget()`
`107`	`107`
`108`	`108`	`void QgsStatisticalSummaryDockWidget::refreshStatistics()`
`109`	`109`	`{`
`110`		`- if ( !mLayer \|\| !mFieldExpressionWidget->isValidExpression() )`
	`110`	`+ if ( !mLayer \|\| ( mFieldExpressionWidget->isExpression() && !mFieldExpressionWidget->isValidExpression() ) )`
`111`	`111`	`{`
`112`	`112`	`mStatisticsTable->setRowCount( 0 );`
`113`	`113`	`return;`