Fixed bar label visibility

Label for bars with zero value is not shown. This is done to avoid
overlapping labels.

Change-Id: Ife30c04e8ae4d9ac9df1209967cc3cd3ecb76a4f
Task-number: QTRD-3695
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

1 files changed, 10 insertions, 5 deletions

diff --git a/src/charts/barchart/vertical/percent/percentbarchartitem.cpp b/src/charts/barchart/vertical/percent/percentbarchartitem.cpp
index fbde59ab..6a998df3 100644
--- a/src/charts/barchart/vertical/percent/percentbarchartitem.cpp
+++ b/src/charts/barchart/vertical/percent/percentbarchartitem.cpp
@@ -121,12 +121,17 @@ void PercentBarChartItem::handleUpdatedBars()
             qreal p = m_series->d_func()->percentageAt(set, category) * 100.0;
             QString vString(presenter()->numberToString(p, 'f', 0));
             QString valueLabel;
-            if (m_series->labelsFormat().isEmpty()) {
-                vString.append(QStringLiteral("%"));
-                valueLabel = vString;
+            if (p == 0) {
+                label->setVisible(false);
             } else {
-                valueLabel = m_series->labelsFormat();
-                valueLabel.replace(valueTag, vString);
+                label->setVisible(true);
+                if (m_series->labelsFormat().isEmpty()) {
+                    vString.append(QStringLiteral("%"));
+                    valueLabel = vString;
+                } else {
+                    valueLabel = m_series->labelsFormat();
+                    valueLabel.replace(valueTag, vString);
+                }
             }
             label->setHtml(valueLabel);
             label->setFont(barSet->m_labelFont);