EventViewUtils.java revision fbce65e53c7a111955f638db5bf8bee35381e5b7 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.calendar.event;
17
18import com.android.calendar.R;
19
20import android.app.Activity;
21import android.content.Context;
22import android.content.res.Resources;
23import android.util.Log;
24import android.view.LayoutInflater;
25import android.view.View;
26import android.widget.ArrayAdapter;
27import android.widget.ImageButton;
28import android.widget.LinearLayout;
29import android.widget.Spinner;
30
31import java.util.ArrayList;
32
33public class EventViewUtils {
34
35    private EventViewUtils() {
36    }
37
38    // Constructs a label given an arbitrary number of minutes. For example,
39    // if the given minutes is 63, then this returns the string "63 minutes".
40    // As another example, if the given minutes is 120, then this returns
41    // "2 hours".
42    public static String constructReminderLabel(Context context, int minutes, boolean abbrev) {
43        Resources resources = context.getResources();
44        int value, resId;
45
46        if (minutes % 60 != 0) {
47            value = minutes;
48            if (abbrev) {
49                resId = R.plurals.Nmins;
50            } else {
51                resId = R.plurals.Nminutes;
52            }
53        } else if (minutes % (24 * 60) != 0) {
54            value = minutes / 60;
55            resId = R.plurals.Nhours;
56        } else {
57            value = minutes / (24 * 60);
58            resId = R.plurals.Ndays;
59        }
60
61        String format = resources.getQuantityString(resId, value);
62        return String.format(format, value);
63    }
64
65    /**
66     * Finds the index of the given "minutes" in the "values" list.
67     *
68     * @param values the list of minutes corresponding to the spinner choices
69     * @param minutes the minutes to search for in the values list
70     * @return the index of "minutes" in the "values" list
71     */
72    public static int findMinutesInReminderList(ArrayList<Integer> values, int minutes) {
73        int index = values.indexOf(minutes);
74        if (index == -1) {
75            // This should never happen.
76            Log.e("Cal", "Cannot find minutes (" + minutes + ") in list");
77            return 0;
78        }
79        return index;
80    }
81
82    public static ArrayList<Integer> reminderItemsToMinutes(ArrayList<LinearLayout> reminderItems,
83            ArrayList<Integer> reminderValues) {
84        int len = reminderItems.size();
85        ArrayList<Integer> reminderMinutes = new ArrayList<Integer>(len);
86        for (int index = 0; index < len; index++) {
87            LinearLayout layout = reminderItems.get(index);
88            Spinner spinner = (Spinner) layout.findViewById(R.id.reminder_value);
89            int minutes = reminderValues.get(spinner.getSelectedItemPosition());
90            reminderMinutes.add(minutes);
91        }
92        return reminderMinutes;
93    }
94
95    // Checks our list of minute value-label pairs and adds any custom times
96    // this event
97    // might contain.
98    public static void addMinutesToList(Context context, ArrayList<Integer> values,
99            ArrayList<String> labels, int minutes) {
100        int index = values.indexOf(minutes);
101        if (index != -1) {
102            return;
103        }
104
105        // The requested "minutes" does not exist in the list, so insert it
106        // into the list.
107
108        String label = constructReminderLabel(context, minutes, false);
109        int len = values.size();
110        for (int i = 0; i < len; i++) {
111            if (minutes < values.get(i)) {
112                values.add(i, minutes);
113                labels.add(i, label);
114                return;
115            }
116        }
117
118        values.add(minutes);
119        labels.add(len, label);
120    }
121
122    // Adds a reminder to the displayed list of reminders.
123    // Returns true if successfully added reminder, false if no reminders can
124    // be added.
125    public static boolean addReminder(Activity activity, View view, View.OnClickListener listener,
126            ArrayList<LinearLayout> items, ArrayList<Integer> values, ArrayList<String> labels,
127            int minutes) {
128
129        if (items.size() >= EditEventHelper.MAX_REMINDERS) {
130            return false;
131        }
132
133        LayoutInflater inflater = activity.getLayoutInflater();
134        LinearLayout parent = (LinearLayout) view.findViewById(R.id.reminder_items_container);
135        LinearLayout reminderItem = (LinearLayout) inflater.inflate(R.layout.edit_reminder_item,
136                null);
137        parent.addView(reminderItem);
138
139        Spinner spinner = (Spinner) reminderItem.findViewById(R.id.reminder_value);
140        Resources res = activity.getResources();
141        spinner.setPrompt(res.getString(R.string.reminders_label));
142        int resource = android.R.layout.simple_spinner_item;
143        ArrayAdapter<String> adapter = new ArrayAdapter<String>(activity, resource, labels);
144        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
145        spinner.setAdapter(adapter);
146
147        ImageButton reminderRemoveButton;
148        reminderRemoveButton = (ImageButton) reminderItem.findViewById(R.id.reminder_remove);
149        reminderRemoveButton.setOnClickListener(listener);
150
151        int index = findMinutesInReminderList(values, minutes);
152        spinner.setSelection(index);
153
154        items.add(reminderItem);
155
156        return true;
157    }
158
159}
160