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Keep track of when we have unsaved preference changes

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git-svn-id: http://google-refine.googlecode.com/svn/trunk@2502 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
Tom Morris 2012-06-02 21:06:46 +00:00
parent a0812c5751
commit 8872c1b0a1
1 changed files with 12 additions and 1 deletions
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13
main/src/com/google/refine/preference/PreferenceStore.java
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@ -1,6 +1,6 @@
/*
Copyright 2010, Google Inc.
Copyright 2010,2012 Google Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
@ -48,6 +48,7 @@ import com.google.refine.Jsonizable;
import com.google.refine.RefineServlet;
public class PreferenceStore implements Jsonizable {
private boolean dirty = false;
protected Map<String, Object> _prefs = new HashMap<String, Object>();
public void put(String key, Object value) {
@ -56,6 +57,7 @@ public class PreferenceStore implements Jsonizable {
} else {
_prefs.put(key, value);
}
dirty = true;
}
public Object get(String key) {
@ -85,6 +87,14 @@ public class PreferenceStore implements Jsonizable {
writer.endObject();
writer.endObject();
dirty = false;
}
/**
* @return true if the preference store has unsaved changes
*/
public boolean isDirty() {
return dirty;
}
@SuppressWarnings("unchecked")
@ -100,6 +110,7 @@ public class PreferenceStore implements Jsonizable {
_prefs.put(key, loadObject(o));
}
}
dirty = false; // internal puts don't count
}
}