From 38582ebd4b974150cbe446ac92c9a4a7024f5f09 Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Tue, 9 Oct 2018 10:33:08 +0200
Subject: style editor is finished

---
 src/data/stylelist.cpp | 35 +++++++++++++++++++++++++++++++++++
 src/data/stylelist.h   |  6 ++++++
 2 files changed, 41 insertions(+)

(limited to 'src/data')

diff --git a/src/data/stylelist.cpp b/src/data/stylelist.cpp
index c8baf3f..14302c7 100644
--- a/src/data/stylelist.cpp
+++ b/src/data/stylelist.cpp
@@ -41,6 +41,13 @@ void StyleList::addStyle(Style *s)
     }
 }
 
+void StyleList::removeNthStyle(int n)
+{
+    beginRemoveRows(QModelIndex(), n, n);
+    _styles.remove(nthInCategory(n));
+    endRemoveRows();
+}
+
 void StyleList::clear()
 {
     int n = numInCategory();
@@ -113,6 +120,34 @@ int StyleList::rowCount(const QModelIndex &/*parent*/) const
     return numInCategory();
 }
 
+bool StyleList::moveRows(const QModelIndex &sourceParent,
+                                int sourceRow,
+                                int /*count*/,
+                                const QModelIndex &destinationParent,
+                                int destinationRow)
+{
+    if (sourceRow >= 1 && sourceRow < numInCategory() &&
+        destinationRow >= 1 && destinationRow <= numInCategory())
+    {
+        beginMoveRows(sourceParent, sourceRow, sourceRow, destinationParent, destinationRow);
+        int sourceIndex = nthInCategory(sourceRow);
+        int destinationIndex = nthInCategory(destinationRow);
+        if (destinationIndex == -1)
+            destinationIndex = _styles.length();
+        Style *s = _styles[sourceIndex];
+        _styles.remove(sourceIndex);
+        if (sourceIndex < destinationIndex) {
+            _styles.insert(destinationIndex - 1, s);
+        } else {
+            _styles.insert(destinationIndex, s);
+        }
+        endMoveRows();
+        return true;
+    } else {
+        return false;
+    }
+}
+
 QString StyleList::category() const
 {
     return _category;
diff --git a/src/data/stylelist.h b/src/data/stylelist.h
index f698761..eb1c43a 100644
--- a/src/data/stylelist.h
+++ b/src/data/stylelist.h
@@ -14,6 +14,7 @@ public:
     Style *style(int i);
     int length() const;
     void addStyle(Style *s);
+    void removeNthStyle(int n);
     void clear();
     QString tikz();
 
@@ -23,6 +24,11 @@ public:
 
     QVariant data(const QModelIndex &index, int role) const override;
     int rowCount(const QModelIndex &/*parent*/) const override;
+    bool moveRows(const QModelIndex &sourceParent,
+                  int sourceRow,
+                  int /*count*/,
+                  const QModelIndex &destinationParent,
+                  int destinationChild);
 
 
     QString category() const;
-- 
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