From 3b60eaff08f7ed14398160592ef0c174ecf1df5a Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Tue, 15 Aug 2017 11:38:36 +0300
Subject: [PATCH] List to speed up reading a template by many pieces.

--HG--
branch : feature
---
 src/libs/ifc/xml/vabstractpattern.cpp | 16 ++++++++++++----
 src/libs/ifc/xml/vabstractpattern.h   |  2 ++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/libs/ifc/xml/vabstractpattern.cpp b/src/libs/ifc/xml/vabstractpattern.cpp
index 4ef4e0585..a987db4eb 100644
--- a/src/libs/ifc/xml/vabstractpattern.cpp
+++ b/src/libs/ifc/xml/vabstractpattern.cpp
@@ -194,6 +194,7 @@ const QString VAbstractPattern::NodeSpline     = QStringLiteral("NodeSpline");
 const QString VAbstractPattern::NodeSplinePath = QStringLiteral("NodeSplinePath");
 
 QHash<quint32, VDataTool*> VAbstractPattern::tools = QHash<quint32, VDataTool*>();
+QVector<VLabelTemplateLine> VAbstractPattern::patternLabelLines = QVector<VLabelTemplateLine>();
 
 namespace
 {
@@ -1381,17 +1382,24 @@ void VAbstractPattern::SetPatternLabelTemplate(const QVector<VLabelTemplateLine>
     QDomElement tag = CheckTagExists(TagPatternLabel);
     RemoveAllChildren(tag);
     SetLabelTemplate(tag, lines);
+    patternLabelLines = lines;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 QVector<VLabelTemplateLine> VAbstractPattern::GetPatternLabelTemplate() const
 {
-    const QDomNodeList list = elementsByTagName(TagPatternLabel);
-    if (list.isEmpty())
+    if (patternLabelLines.isEmpty())
     {
-        return QVector<VLabelTemplateLine>();
+        const QDomNodeList list = elementsByTagName(TagPatternLabel);
+        if (list.isEmpty())
+        {
+            return QVector<VLabelTemplateLine>();
+        }
+
+        patternLabelLines = GetLabelTemplate(list.at(0).toElement());
     }
-    return GetLabelTemplate(list.at(0).toElement());
+
+    return patternLabelLines;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/ifc/xml/vabstractpattern.h b/src/libs/ifc/xml/vabstractpattern.h
index bc81b2ea8..33a4e9647 100644
--- a/src/libs/ifc/xml/vabstractpattern.h
+++ b/src/libs/ifc/xml/vabstractpattern.h
@@ -387,6 +387,8 @@ protected:
 
     /** @brief tools list with pointer on tools. */
     static QHash<quint32, VDataTool*> tools;
+    /** @brief patternLabelLines list to speed up reading a template by many pieces. */
+    static QVector<VLabelTemplateLine> patternLabelLines;
 
     static void       ToolExists(const quint32 &id);
     static VPiecePath ParsePathNodes(const QDomElement &domElement);