Color Picker: don't show picker on click if preference is disabled

Signed-off-by: xyyx <xyyx@mail.ru>

src/net/margaritov/preference/colorpicker/ColorPickerPreference.java

@@ -49,6 +49,7 @@ public class ColorPickerPreference extends Preference implements
     private int mValue = Color.BLACK;
     private float mDensity = 0;
     private boolean mAlphaSliderEnabled = false;
+    private boolean mEnabled = true;
 
     // if we return -6, button is not enabled
     static final String SETTINGS_NS = "http://schemas.android.com/apk/res/com.android.settings";
@@ -205,11 +206,21 @@ public class ColorPickerPreference extends Preference implements
         iView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                showDialog(null);
+                if (mEnabled) {
+                    showDialog(null);
+                }
             }
         });
     }
 
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        if (mEnabled != enabled) {
+            mEnabled = enabled;
+        }
+    }
+
     private Bitmap getPreviewBitmap() {
         int d = (int) (mDensity * 31); // 30dip
         int color = mValue;