TaskList: Do not open the same file several times

This avoids having the issue repeated if you repeatedly opened
the same file.

Change-Id: I998a00b4351ff760a4384dc89a3a7ce94d713500
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/plugins/tasklist/taskfilefactory.cpp b/src/plugins/tasklist/taskfilefactory.cpp
index a902449257..b0bbb394e0 100644
--- a/src/plugins/tasklist/taskfilefactory.cpp
+++ b/src/plugins/tasklist/taskfilefactory.cpp
@@ -60,6 +60,11 @@ Core::IDocument *TaskFileFactory::open(const QString &fileName)
 
 Core::IDocument *TaskFileFactory::open(const QString &base, const QString &fileName)
 {
+    foreach (TaskFile *doc, m_openFiles) {
+        if (doc->filePath() == fileName)
+            return doc;
+    }
+
     TaskFile *file = new TaskFile(this);
     file->setBaseDir(base);