thoerup/side9/PictureOverview.java

package dk.thoerup.side9;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AbsListView;
import android.widget.Toast;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import dk.thoerup.androidutils.CheckUpdates;

public class PictureOverview extends Activity {
        final static int MENU_DATE = 0;
        final static int MENU_CAPTION = 1;
        
        int current_order = MENU_DATE;
        
        ImageAdapter mImages;
        
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.pictureoverview);
                
                mImages = new ImageAdapter(this);

            GridView gridview = (GridView) findViewById(R.id.gridview);
            gridview.setAdapter(mImages);


            gridview.setOnItemClickListener(new OnItemClickListener() {
                public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
                        
                        Intent i = new Intent(PictureOverview.this, dk.thoerup.side9.PictureView.class);
                        i.putExtra("images", mImages.getImages());
                        i.putExtra("index", position);

                        startActivity(i);
                }
            });
            
            gridview.setOnScrollListener( new ThumbScrollListener() );
            
            
            CheckUpdates update = new CheckUpdates();
            update.checkForUpdates(this, "http://t-hoerup.dk/android/side9/version.txt", "Side 9 Pigen", "http://t-hoerup.dk/android/side9/Side9.apk");
        }
        
        @Override
        public void onDestroy() {
                super.onDestroy();
                mImages.cleanUp();
        }

        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                menu.add(0,MENU_DATE,0, "Order by date");               
                menu.add(0,MENU_CAPTION,0, "Order by caption");

                return true;
        }
        
        
        @Override
        public boolean onPrepareOptionsMenu(Menu menu) {
                MenuItem item = menu.findItem(MENU_DATE);
                if (current_order == MENU_DATE) 
                        item.setEnabled(false);
                else
                        item.setEnabled(true);
                
                item = menu.findItem(MENU_CAPTION);
                if (current_order == MENU_CAPTION) 
                        item.setEnabled(false);
                else
                        item.setEnabled(true);

                return true;
        }

        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                switch( item.getItemId() ) {
                case MENU_DATE:
                        mImages.orderByPath();
                        current_order = MENU_DATE;
                        return true;
                case MENU_CAPTION:
                        mImages.orderByCaption();
                        current_order = MENU_CAPTION;
                        return true;
                default:
                        return super.onOptionsItemSelected(item);
                }               
        }

        
        class ThumbScrollListener implements AbsListView.OnScrollListener {
                
                Toast captionToast;
                
                int prevFirstVisibleItem = 0;
                @Override
                public void onScrollStateChanged(AbsListView view, int scrollState) {
                        Log.e("Side9", "state=" + scrollState);
                        if (scrollState ==  AbsListView.OnScrollListener.SCROLL_STATE_IDLE) {
                                
                                int first = view.getFirstVisiblePosition();
                                int last = view.getLastVisiblePosition();
                                mImages.preloadImages(last, 18);
                                
                                
                                String txt;
                                
                                if (current_order == MENU_DATE) 
                                        txt = mImages.getItemFilename(first) + " - " + mImages.getItemFilename(last);
                                else
                                        txt = mImages.getItemCaption(first) + " - " +  mImages.getItemCaption(last);
                                
                                if (captionToast == null) {
                                        captionToast = Toast.makeText(PictureOverview.this, "", Toast.LENGTH_SHORT);
                                }
                                captionToast.cancel();
                                captionToast.setText(txt);
                                captionToast.show();

                                
                        }
                                
                }
                
                @Override
                public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
                }
        }
        
}
1	package dk.thoerup.side9;
2
3	import android.app.Activity;
4	import android.content.Intent;
5	import android.os.Bundle;
6	import android.util.Log;
7	import android.view.Menu;
8	import android.view.MenuItem;
9	import android.view.View;
10	import android.widget.AbsListView;
11	import android.widget.Toast;
12	import android.widget.AbsListView.OnScrollListener;
13	import android.widget.AdapterView;
14	import android.widget.AdapterView.OnItemClickListener;
15	import android.widget.GridView;
16	import dk.thoerup.androidutils.CheckUpdates;
17
18	public class PictureOverview extends Activity {
19	final static int MENU_DATE = 0;
20	final static int MENU_CAPTION = 1;
21
22	int current_order = MENU_DATE;
23
24	ImageAdapter mImages;
25
26	@Override
27	public void onCreate(Bundle savedInstanceState) {
28	super.onCreate(savedInstanceState);
29	setContentView(R.layout.pictureoverview);
30
31	mImages = new ImageAdapter(this);
32
33	GridView gridview = (GridView) findViewById(R.id.gridview);
34	gridview.setAdapter(mImages);
35
36
37	gridview.setOnItemClickListener(new OnItemClickListener() {
38	public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
39
40	Intent i = new Intent(PictureOverview.this, dk.thoerup.side9.PictureView.class);
41	i.putExtra("images", mImages.getImages());
42	i.putExtra("index", position);
43
44	startActivity(i);
45	}
46	});
47
48	gridview.setOnScrollListener( new ThumbScrollListener() );
49
50
51	CheckUpdates update = new CheckUpdates();
52	update.checkForUpdates(this, "http://t-hoerup.dk/android/side9/version.txt", "Side 9 Pigen", "http://t-hoerup.dk/android/side9/Side9.apk");
53	}
54
55	@Override
56	public void onDestroy() {
57	super.onDestroy();
58	mImages.cleanUp();
59	}
60
61	@Override
62	public boolean onCreateOptionsMenu(Menu menu) {
63	menu.add(0,MENU_DATE,0, "Order by date");
64	menu.add(0,MENU_CAPTION,0, "Order by caption");
65
66	return true;
67	}
68
69
70
71	@Override
72	public boolean onPrepareOptionsMenu(Menu menu) {
73	MenuItem item = menu.findItem(MENU_DATE);
74	if (current_order == MENU_DATE)
75	item.setEnabled(false);
76	else
77	item.setEnabled(true);
78
79	item = menu.findItem(MENU_CAPTION);
80	if (current_order == MENU_CAPTION)
81	item.setEnabled(false);
82	else
83	item.setEnabled(true);
84
85	return true;
86	}
87
88	@Override
89	public boolean onOptionsItemSelected(MenuItem item) {
90	switch( item.getItemId() ) {
91	case MENU_DATE:
92	mImages.orderByPath();
93	current_order = MENU_DATE;
94	return true;
95	case MENU_CAPTION:
96	mImages.orderByCaption();
97	current_order = MENU_CAPTION;
98	return true;
99	default:
100	return super.onOptionsItemSelected(item);
101	}
102	}
103
104
105	class ThumbScrollListener implements AbsListView.OnScrollListener {
106
107	Toast captionToast;
108
109	int prevFirstVisibleItem = 0;
110	@Override
111	public void onScrollStateChanged(AbsListView view, int scrollState) {
112	Log.e("Side9", "state=" + scrollState);
113	if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_IDLE) {
114
115	int first = view.getFirstVisiblePosition();
116	int last = view.getLastVisiblePosition();
117	mImages.preloadImages(last, 18);
118
119
120
121	String txt;
122
123	if (current_order == MENU_DATE)
124	txt = mImages.getItemFilename(first) + " - " + mImages.getItemFilename(last);
125	else
126	txt = mImages.getItemCaption(first) + " - " + mImages.getItemCaption(last);
127
128	if (captionToast == null) {
129	captionToast = Toast.makeText(PictureOverview.this, "", Toast.LENGTH_SHORT);
130	}
131	captionToast.cancel();
132	captionToast.setText(txt);
133	captionToast.show();
134
135
136
137	}
138
139	}
140
141	@Override
142	public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
143	}
144	}
145
146	}