1 |
torben |
790 |
package dk.thoerup.side9;
|
2 |
|
|
|
3 |
|
|
import java.io.File;
|
4 |
torben |
1013 |
import java.io.FileOutputStream;
|
5 |
torben |
925 |
import java.io.FilenameFilter;
|
6 |
torben |
1013 |
import java.io.IOException;
|
7 |
torben |
1185 |
import java.io.RandomAccessFile;
|
8 |
torben |
790 |
import java.util.ArrayList;
|
9 |
torben |
1185 |
import java.util.Collection;
|
10 |
|
|
import java.util.Collections;
|
11 |
torben |
790 |
|
12 |
|
|
import android.content.Context;
|
13 |
|
|
import android.graphics.Bitmap;
|
14 |
|
|
import android.graphics.BitmapFactory;
|
15 |
torben |
1013 |
import android.graphics.Bitmap.CompressFormat;
|
16 |
torben |
790 |
import android.os.Environment;
|
17 |
torben |
915 |
import android.util.DisplayMetrics;
|
18 |
torben |
1013 |
import android.util.Log;
|
19 |
torben |
790 |
import android.view.View;
|
20 |
|
|
import android.view.ViewGroup;
|
21 |
torben |
915 |
import android.view.WindowManager;
|
22 |
torben |
790 |
import android.widget.BaseAdapter;
|
23 |
|
|
import android.widget.GridView;
|
24 |
|
|
import android.widget.ImageView;
|
25 |
torben |
912 |
import android.widget.Toast;
|
26 |
torben |
790 |
|
27 |
|
|
public class ImageAdapter extends BaseAdapter {
|
28 |
torben |
1185 |
|
29 |
|
|
|
30 |
|
|
|
31 |
torben |
790 |
//int mGalleryItemBackground;
|
32 |
|
|
private Context mContext;
|
33 |
|
|
|
34 |
torben |
1185 |
ArrayList<ImageEntry> mImages = new ArrayList<ImageEntry>();
|
35 |
torben |
915 |
|
36 |
torben |
1185 |
|
37 |
|
|
|
38 |
|
|
|
39 |
|
|
int thumbSize;
|
40 |
torben |
790 |
|
41 |
|
|
public ImageAdapter(Context c) {
|
42 |
|
|
mContext = c;
|
43 |
|
|
|
44 |
|
|
String path = Environment.getExternalStorageDirectory().getPath() + "/Side9" ;
|
45 |
|
|
|
46 |
torben |
912 |
|
47 |
|
|
|
48 |
torben |
790 |
File root = new File(path);
|
49 |
torben |
912 |
|
50 |
|
|
if (root.exists() == false) {
|
51 |
|
|
Toast.makeText(mContext, "Side9 folder not found on sdcard", Toast.LENGTH_LONG).show();
|
52 |
|
|
return;
|
53 |
|
|
}
|
54 |
torben |
925 |
|
55 |
|
|
File files[] = root.listFiles( new ExtensionFilter("jpg") );
|
56 |
torben |
912 |
|
57 |
torben |
1013 |
|
58 |
|
|
String thumbPath = path + "/.thumb/";
|
59 |
|
|
|
60 |
|
|
File thumbDir = new File(thumbPath);
|
61 |
|
|
if (! thumbDir.exists()) {
|
62 |
|
|
thumbDir.mkdirs();
|
63 |
torben |
790 |
}
|
64 |
torben |
915 |
|
65 |
torben |
1013 |
|
66 |
|
|
for (File f : files) {
|
67 |
torben |
1185 |
|
68 |
|
|
ImageEntry entry = new ImageEntry();
|
69 |
|
|
entry.path = f.getPath();
|
70 |
torben |
1013 |
|
71 |
|
|
String fileName = f.getName();
|
72 |
|
|
File thumb = new File ( thumbPath + fileName );
|
73 |
|
|
|
74 |
torben |
1179 |
if (! thumb.exists() || thumb.lastModified() < f.lastModified()) {
|
75 |
torben |
1013 |
Bitmap bmp = BitmapFactory.decodeFile( f.getPath() );
|
76 |
|
|
Bitmap scaled = Bitmap.createScaledBitmap(bmp, bmp.getWidth()/4, bmp.getHeight()/4, true);
|
77 |
torben |
1185 |
entry.thumb = scaled;
|
78 |
torben |
1013 |
try {
|
79 |
|
|
FileOutputStream fos = new FileOutputStream(thumb);
|
80 |
|
|
scaled.compress(CompressFormat.JPEG, 90, fos);
|
81 |
|
|
|
82 |
|
|
} catch (IOException e) {
|
83 |
|
|
Log.e("Side9", "error", e);
|
84 |
|
|
}
|
85 |
|
|
|
86 |
|
|
} else {
|
87 |
|
|
Bitmap thumbBmp = BitmapFactory.decodeFile( thumb.getPath());
|
88 |
torben |
1185 |
entry.thumb = thumbBmp;
|
89 |
torben |
1013 |
}
|
90 |
|
|
|
91 |
torben |
1185 |
/* load captions */
|
92 |
|
|
String infoFileName = f.getPath().replace(".jpg", ".txt");
|
93 |
|
|
|
94 |
|
|
File infoFile = new File(infoFileName);
|
95 |
|
|
if (infoFile.exists() ) {
|
96 |
|
|
entry.caption = cleanString( getFileContent(infoFile) );
|
97 |
|
|
} else {
|
98 |
|
|
entry.caption = "";
|
99 |
|
|
}
|
100 |
|
|
|
101 |
|
|
mImages.add(entry);
|
102 |
torben |
1013 |
}
|
103 |
|
|
|
104 |
torben |
1185 |
Collections.sort(mImages, new ImageEntry.PathComparator() );
|
105 |
|
|
|
106 |
|
|
thumbSize = getSize();
|
107 |
torben |
790 |
}
|
108 |
torben |
1185 |
|
109 |
|
|
public void orderByPath() {
|
110 |
|
|
Collections.sort(mImages, new ImageEntry.PathComparator());
|
111 |
|
|
this.notifyDataSetChanged();
|
112 |
|
|
}
|
113 |
|
|
|
114 |
|
|
public void orderByCaption() {
|
115 |
|
|
Collections.sort(mImages, new ImageEntry.CaptionComparator());
|
116 |
|
|
this.notifyDataSetChanged();
|
117 |
|
|
}
|
118 |
|
|
|
119 |
torben |
790 |
|
120 |
|
|
public int getCount() {
|
121 |
torben |
1185 |
return mImages.size();
|
122 |
torben |
790 |
}
|
123 |
|
|
|
124 |
|
|
public Object getItem(int position) {
|
125 |
|
|
return position;
|
126 |
|
|
}
|
127 |
|
|
|
128 |
|
|
public long getItemId(int position) {
|
129 |
|
|
return position;
|
130 |
|
|
}
|
131 |
|
|
|
132 |
torben |
1185 |
public ImageEntry getImageEntry(int position) {
|
133 |
|
|
return mImages.get(position);
|
134 |
torben |
790 |
}
|
135 |
torben |
915 |
|
136 |
torben |
1185 |
public ArrayList<ImageEntry> getImages() {
|
137 |
|
|
return mImages;
|
138 |
torben |
925 |
}
|
139 |
|
|
|
140 |
torben |
915 |
private int getSize() {
|
141 |
|
|
DisplayMetrics metrics = new DisplayMetrics();
|
142 |
|
|
WindowManager wmgr = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
|
143 |
|
|
wmgr.getDefaultDisplay().getMetrics(metrics);
|
144 |
|
|
if (metrics.widthPixels < 480) {
|
145 |
|
|
return 150;
|
146 |
|
|
} else {
|
147 |
|
|
return 200;
|
148 |
|
|
}
|
149 |
|
|
}
|
150 |
torben |
790 |
|
151 |
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
152 |
|
|
ImageView imageView;
|
153 |
|
|
if (convertView == null) { // if it's not recycled, initialize some attributes
|
154 |
|
|
imageView = new ImageView(mContext);
|
155 |
torben |
1185 |
imageView.setLayoutParams(new GridView.LayoutParams(thumbSize, thumbSize));
|
156 |
torben |
790 |
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
|
157 |
|
|
imageView.setAdjustViewBounds(true);
|
158 |
|
|
imageView.setPadding(4, 4, 4, 4);
|
159 |
|
|
} else {
|
160 |
|
|
imageView = (ImageView) convertView;
|
161 |
|
|
}
|
162 |
|
|
|
163 |
torben |
1013 |
//imageView.setImageURI( Uri.parse(mThumbPaths.get(position)) );
|
164 |
torben |
1185 |
imageView.setImageBitmap( mImages.get(position).thumb );
|
165 |
torben |
790 |
return imageView;
|
166 |
torben |
925 |
}
|
167 |
|
|
|
168 |
torben |
1185 |
String getFileContent(File filename) {
|
169 |
|
|
try {
|
170 |
|
|
RandomAccessFile raf = new RandomAccessFile(filename, "r");
|
171 |
|
|
int size = (int)raf.length();
|
172 |
|
|
byte buf[] = new byte[size];
|
173 |
|
|
|
174 |
|
|
raf.readFully(buf);
|
175 |
|
|
return new String(buf);
|
176 |
|
|
} catch (IOException e) {
|
177 |
|
|
Log.e("Side9", "Error", e);
|
178 |
|
|
return "";
|
179 |
|
|
}
|
180 |
|
|
}
|
181 |
|
|
|
182 |
|
|
String cleanString(String input) { //trim and remove double spaces
|
183 |
|
|
String res = input.trim();
|
184 |
|
|
while ( res.contains( " ")) {
|
185 |
|
|
res = res.replace(" ", " ");
|
186 |
|
|
}
|
187 |
|
|
|
188 |
|
|
return res;
|
189 |
|
|
}
|
190 |
|
|
|
191 |
|
|
|
192 |
|
|
|
193 |
|
|
|
194 |
|
|
|
195 |
torben |
925 |
class ExtensionFilter implements FilenameFilter {
|
196 |
|
|
private String mExt;
|
197 |
|
|
public ExtensionFilter(String ext) {
|
198 |
|
|
mExt = ext;
|
199 |
|
|
}
|
200 |
torben |
790 |
|
201 |
torben |
925 |
@Override
|
202 |
|
|
public boolean accept(File dir, String filename) {
|
203 |
|
|
String parts[] = filename.split("\\.");
|
204 |
|
|
if (parts.length > 1) {
|
205 |
|
|
String ext = parts[ parts.length -1];
|
206 |
|
|
if (ext.equals(mExt)) {
|
207 |
|
|
return true;
|
208 |
|
|
}
|
209 |
|
|
}
|
210 |
|
|
return false;
|
211 |
|
|
}
|
212 |
|
|
|
213 |
torben |
790 |
}
|
214 |
|
|
} |