1 files changed, 125 insertions, 0 deletions
diff --git a/src/com/android/calendar/SelectCalendarsAdapter.java b/src/com/android/calendar/SelectCalendarsAdapter.java
new file mode 100644
index 00000000..fb50662a
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+++ b/src/com/android/calendar/SelectCalendarsAdapter.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.calendar;
+
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.GradientDrawable;
+import android.net.Uri;
+import android.provider.Calendar.Calendars;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.CursorAdapter;
+import android.widget.TextView;
+
+public class SelectCalendarsAdapter extends CursorAdapter {
+
+    private static final int CLEAR_ALPHA_MASK = 0x00FFFFFF;
+    private static final int HIGH_ALPHA = 255 << 24;
+    private static final int MED_ALPHA = 180 << 24;
+    private static final int LOW_ALPHA = 150 << 24;
+
+    /* The corner should be rounded on the top right and bottom right */
+    private static final float[] CORNERS = new float[] {0, 0, 5, 5, 5, 5, 0, 0};
+
+    private static final String TAG = "Calendar";
+
+    private final LayoutInflater mInflater;
+    private final ContentResolver mResolver;
+    private final ContentValues mValues = new ContentValues();
+
+    private class CheckBoxListener implements CheckBox.OnCheckedChangeListener {
+        private final long mCalendarId;
+
+        private CheckBoxListener(long calendarId) {
+            mCalendarId = calendarId;
+        }
+        
+        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+            Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, mCalendarId);
+            mValues.clear();
+            int checked = isChecked ? 1 : 0;
+            mValues.put(Calendars.SELECTED, checked);
+            mResolver.update(uri, mValues, null, null);
+        }
+    }
+
+    public SelectCalendarsAdapter(Context context, Cursor cursor) {
+        super(context, cursor);
+        mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        mResolver = context.getContentResolver();
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return mInflater.inflate(R.layout.calendar_item, parent, false);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        int idColumn = cursor.getColumnIndexOrThrow(Calendars._ID);
+        int nameColumn = cursor.getColumnIndexOrThrow(Calendars.DISPLAY_NAME);
+        int selectedColumn = cursor.getColumnIndexOrThrow(Calendars.SELECTED);
+        int colorColumn = cursor.getColumnIndexOrThrow(Calendars.COLOR);
+        view.findViewById(R.id.color).setBackgroundDrawable(getColorChip(cursor.getInt(colorColumn)));
+        setText(view, R.id.calendar, cursor.getString(nameColumn));
+        CheckBox box = (CheckBox) view.findViewById(R.id.checkbox);
+        long id = cursor.getLong(idColumn);
+        boolean checked = cursor.getInt(selectedColumn) != 0;
+        box.setOnCheckedChangeListener(null);
+        box.setChecked(checked);
+        box.setOnCheckedChangeListener(new CheckBoxListener(id));
+    }
+
+    private static void setText(View view, int id, String text) {
+        if (TextUtils.isEmpty(text)) {
+            return;
+        }
+        TextView textView = (TextView) view.findViewById(id);
+        textView.setText(text);
+    }
+    
+    private Drawable getColorChip(int color) {
+        
+        /*
+         * We want the color chip to have a nice gradient using
+         * the color of the calendar. To do this we use a GradientDrawable.
+         * The color supplied has an alpha of FF so we first do:
+         * color & 0x00FFFFFF
+         * to clear the alpha. Then we add our alpha to it.
+         * We use 3 colors to get a step effect where it starts off very
+         * light and quickly becomes dark and then a slow transition to
+         * be even darker.
+         */
+        color &= CLEAR_ALPHA_MASK;
+        int startColor = color | HIGH_ALPHA;
+        int middleColor = color | MED_ALPHA;
+        int endColor = color | LOW_ALPHA;
+        int[] colors = new int[] {startColor, middleColor, endColor};
+        GradientDrawable d = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, colors);
+        d.setCornerRadii(CORNERS);
+        return d;
+    }
+}