[Android] Add LogLevelPreference.java

Android/src/emu/project64/settings/LogLevelPreference.java

@@ -0,0 +1,125 @@
+/****************************************************************************
+*                                                                           *
+* Project64 - A Nintendo 64 emulator.                                       *
+* http://www.pj64-emu.com/                                                  *
+* Copyright (C) 2012 Project64. All rights reserved.                        *
+*                                                                           *
+* License:                                                                  *
+* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                        *
+*                                                                           *
+****************************************************************************/
+package emu.project64.settings;
+
+import emu.project64.R;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.support.v7.preference.ListPreference;
+import android.util.AttributeSet;
+
+public class LogLevelPreference extends ListPreference
+{
+    private CharSequence[] mEntriesSubtitles;
+    private int mValueIndex;
+
+    public LogLevelPreference(Context context, AttributeSet attrs)
+    {
+        super(context, attrs);
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TwoLinesListPreference);
+        mEntriesSubtitles = a.getTextArray(R.styleable.TwoLinesListPreference_entriesSubtitles);
+        
+        String[] TraceSeverityList=context.getResources().getStringArray(R.array.trace_severity_list);
+        setEntries(TraceSeverityList);
+        
+        String[] TraceSeverityValues=context.getResources().getStringArray(R.array.trace_severity_values);        
+        setEntryValues(TraceSeverityValues);
+        a.recycle();
+    }
+        
+    @Override
+    protected void onSetInitialValue(boolean restoreValue, Object defaultValue)
+    {
+        super.onSetInitialValue(restoreValue, defaultValue);
+
+        mEntriesSubtitles = getEntriesSubtitles();
+        mValueIndex = getValueIndex();
+    }
+
+    @Override
+    public void setValue(String value) 
+    {
+        super.setValue(value);
+        mValueIndex = getValueIndex();
+        updateSummary();
+    }
+    /**
+    * Returns the index of the given value (in the entry values array).
+    *
+    * @param value The value whose index should be returned.
+    * @return The index of the value, or -1 if not found.
+    */
+    public int findIndexOfValue(String value)
+    {
+        CharSequence[] EntryValues = getEntryValues();
+        if (value != null && EntryValues != null)
+        {
+            for (int i = EntryValues.length - 1; i >= 0; i--)
+            {
+                if (EntryValues[i].equals(value))
+                {
+                    return i;
+                }
+            }
+        }
+        return -1;
+    }
+
+    public int getValueIndex()
+    {
+        return findIndexOfValue(getValue());
+    }
+
+    public CharSequence[] getEntriesSubtitles()
+    {
+        return mEntriesSubtitles;
+    }
+
+    @Override
+    public void setEntries(CharSequence[] Entries)
+    {
+        super.setEntries(Entries);
+        updateSummary();
+    }
+
+    @Override
+    public void setEntryValues(CharSequence[] EntryValues)
+    {
+        super.setEntryValues(EntryValues);
+        mValueIndex = getValueIndex();
+        updateSummary();
+    }
+
+    public void setEntriesSubtitles(CharSequence[] mEntriesSubtitles)
+    {
+        this.mEntriesSubtitles = mEntriesSubtitles;
+        updateSummary();
+    }
+
+    private void updateSummary()
+    {
+        if (mValueIndex < 0)
+        {
+            return;
+        }
+        CharSequence[] Entries = getEntries();
+        String summary = Entries[mValueIndex].toString();
+        if (mEntriesSubtitles != null && mEntriesSubtitles.length > mValueIndex)
+        {
+            String subtitle = mEntriesSubtitles[mValueIndex].toString();
+            if (summary.length() > 0 && subtitle.length() > 0)
+            {
+                summary += " - " + subtitle;
+            }            
+        }
+        setSummary( summary );
+    }
+}