From 929bb9026d33423f3967c68306c5d9b3280fb300 Mon Sep 17 00:00:00 2001
From: Martin Kleusberg <mkleusberg@gmail.com>
Date: Fri, 17 May 2013 15:05:21 +0200
Subject: [PATCH] SqlTextEdit: Support opening files by drag and drop

When dropping a file on the editor widget try to open and read it.
---
 src/sqltextedit.cpp | 17 +++++++++++++++++
 src/sqltextedit.h   |  1 +
 2 files changed, 18 insertions(+)

diff --git a/src/sqltextedit.cpp b/src/sqltextedit.cpp
index 3391b245..5f93a82a 100644
--- a/src/sqltextedit.cpp
+++ b/src/sqltextedit.cpp
@@ -7,6 +7,7 @@
 #include <QScrollBar>
 #include <QPainter>
 #include <QTextBlock>
+#include <QUrl>
 
 SqlTextEdit::SqlTextEdit(QWidget* parent) :
     QPlainTextEdit(parent), m_Completer(0), m_defaultCompleterModel(0)
@@ -181,6 +182,22 @@ void SqlTextEdit::LineNumberArea::paintEvent(QPaintEvent* event)
     }
 }
 
+void SqlTextEdit::dropEvent(QDropEvent* e)
+{
+    QList<QUrl> urls = e->mimeData()->urls();
+    if(urls.isEmpty())
+        return QPlainTextEdit::dropEvent(e);
+
+    QString file = urls.first().toLocalFile();
+    if(!QFile::exists(file))
+        return;
+
+    QFile f(file);
+    f.open(QIODevice::ReadOnly);
+    setPlainText(f.readAll());
+    f.close();
+}
+
 QSize SqlTextEdit::LineNumberArea::sizeHint() const
 {
     return QSize(parent->lineNumberAreaWidth(), 0);
diff --git a/src/sqltextedit.h b/src/sqltextedit.h
index 5daeeabe..0fb0e825 100644
--- a/src/sqltextedit.h
+++ b/src/sqltextedit.h
@@ -32,6 +32,7 @@ protected:
     void keyPressEvent(QKeyEvent *e);
     void focusInEvent(QFocusEvent *e);
     void resizeEvent(QResizeEvent* event);
+    void dropEvent(QDropEvent* e);
 
     void lineNumberAreaPaintEvent(QPaintEvent* event);
     int lineNumberAreaWidth();