project_files/Android-build/SDL-android-project/src/org/hedgewars/hedgeroid/util/ObservableTreeMapAdapter.java
author unc0rr
Sat, 14 Nov 2015 22:19:05 +0300
changeset 11381 437a60995fe1
parent 10017 de822cd3df3a
permissions -rw-r--r--
Rating updater, alpha version
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7584
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     1
/*
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     2
 * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     3
 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     4
 *
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     5
 * This program is free software; you can redistribute it and/or
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     6
 * modify it under the terms of the GNU General Public License
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     7
 * as published by the Free Software Foundation; either version 2
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     8
 * of the License, or (at your option) any later version.
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
     9
 *
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    10
 * This program is distributed in the hope that it will be useful,
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    13
 * GNU General Public License for more details.
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    14
 *
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    15
 * You should have received a copy of the GNU General Public License
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    16
 * along with this program; if not, write to the Free Software
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    17
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    18
 */
7831c84cc644 License change: With the agreement of Xeli, I changed the Hedgeroid license to
Medo <smaxein@googlemail.com>
parents: 7508
diff changeset
    19
7508
763d3961400b Hedgeroid: Frantic scrabbling toward the deadline
Medo <smaxein@googlemail.com>
parents: 7476
diff changeset
    20
package org.hedgewars.hedgeroid.util;
7476
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    21
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    22
import java.util.ArrayList;
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    23
import java.util.Collections;
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    24
import java.util.Comparator;
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    25
import java.util.List;
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    26
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    27
import android.database.DataSetObserver;
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    28
import android.widget.BaseAdapter;
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    29
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    30
public abstract class ObservableTreeMapAdapter<K,V> extends BaseAdapter {
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    31
    private boolean sourceChanged = true;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    32
    private List<V> entries = new ArrayList<V>();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    33
    private ObservableTreeMap<K, V> source;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    34
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    35
    private DataSetObserver observer = new DataSetObserver() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    36
        @Override
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    37
        public void onChanged() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    38
            sourceChanged = true;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    39
            notifyDataSetChanged();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    40
        }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    41
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    42
        @Override
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    43
        public void onInvalidated() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    44
            invalidate();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    45
        }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    46
    };
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    47
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    48
    abstract protected Comparator<V> getEntryOrder();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    49
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    50
    protected List<V> getEntries() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    51
        if(sourceChanged) {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    52
            entries.clear();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    53
            entries.addAll(source.getMap().values());
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    54
            Collections.sort(entries, getEntryOrder());
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    55
            sourceChanged = false;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    56
        }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    57
        return entries;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    58
    }
7476
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    59
10017
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    60
    public int getCount() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    61
        return getEntries().size();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    62
    }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    63
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    64
    public V getItem(int position) {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    65
        return getEntries().get(position);
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    66
    }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    67
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    68
    public long getItemId(int position) {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    69
        return position;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    70
    }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    71
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    72
    @Override
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    73
    public boolean hasStableIds() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    74
        return false;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    75
    }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    76
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    77
    public void setSource(ObservableTreeMap<K,V> source) {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    78
        if(this.source != null) {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    79
            this.source.unregisterObserver(observer);
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    80
        }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    81
        this.source = source;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    82
        this.source.registerObserver(observer);
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    83
        sourceChanged = true;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    84
        notifyDataSetChanged();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    85
    }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    86
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    87
    public void invalidate() {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    88
        if(source != null) {
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    89
            source.unregisterObserver(observer);
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    90
        }
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    91
        source = null;
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    92
        notifyDataSetInvalidated();
de822cd3df3a fixwhitespace and dos2unix
koda
parents: 7584
diff changeset
    93
    }
7476
2fb781bbdd51 Hedgeroid: Start using the frontlib for more operations
Medo <smaxein@googlemail.com>
parents:
diff changeset
    94
}