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Add bookmarks system #92
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387055c
Add basic bookmarks system
Feodor0090 22eceba
Merge branch 'main' into bookmarks
Feodor0090 da187f5
Add method to add bookmark with name asking
Feodor0090 f31d2e0
Allow to add selection and search result
Feodor0090 b59e75e
Allow to select and delete bookmarks
Feodor0090 81382f9
Make bookmarks screen accessible
Feodor0090 59f408c
Do not add items commands if there are no items
Feodor0090 37e1562
Implement route build via bookmarks
Feodor0090 a225f48
Bookmarks fixes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| package mahomaps.screens; | ||
|
|
||
| import javax.microedition.lcdui.Choice; | ||
| import javax.microedition.lcdui.Command; | ||
| import javax.microedition.lcdui.CommandListener; | ||
| import javax.microedition.lcdui.Displayable; | ||
| import javax.microedition.lcdui.List; | ||
| import javax.microedition.lcdui.TextBox; | ||
| import javax.microedition.rms.RecordStore; | ||
|
|
||
| import cc.nnproject.json.JSON; | ||
| import cc.nnproject.json.JSONArray; | ||
| import cc.nnproject.json.JSONObject; | ||
| import mahomaps.MahoMapsApp; | ||
| import mahomaps.map.Geopoint; | ||
| import mahomaps.map.MapState; | ||
| import mahomaps.overlays.RouteBuildOverlay; | ||
|
|
||
| public class BookmarksScreen extends List implements CommandListener { | ||
|
|
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| public final static String RMS_NAME = "mm_v1_bookmarks"; | ||
|
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| private JSONArray list; | ||
|
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| private Command from = new Command("Отсюда", Command.ITEM, 0); | ||
| private Command to = new Command("Сюда", Command.ITEM, 1); | ||
| private Command del = new Command("Удалить", Command.ITEM, 1); | ||
|
|
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| public BookmarksScreen() { | ||
| super("Закладки", Choice.IMPLICIT); | ||
| list = read(); | ||
| list.build(); | ||
| fillList(); | ||
| addCommand(MahoMapsApp.back); | ||
| if (list.size() > 0) { | ||
| addCommand(from); | ||
| addCommand(to); | ||
| addCommand(del); | ||
| } | ||
| setCommandListener(this); | ||
| } | ||
|
|
||
| private void fillList() { | ||
| for (int i = 0; i < list.size(); i++) { | ||
| append(list.getObject(i).getString("name", "Not named"), null); | ||
| } | ||
| } | ||
|
|
||
| private static JSONArray read() { | ||
| try { | ||
| RecordStore r = RecordStore.openRecordStore(RMS_NAME, true); | ||
| byte[] d = null; | ||
| if (r.getNumRecords() > 0) { | ||
| d = r.getRecord(1); | ||
| } | ||
| r.closeRecordStore(); | ||
|
|
||
| if (d == null) | ||
| return JSON.getArray("[]"); | ||
|
|
||
| return JSON.getArray(new String(d, "UTF-8")); | ||
| } catch (Throwable e) { | ||
| return JSON.getArray("[]"); | ||
| } | ||
| } | ||
|
|
||
| public static void BeginAdd(final Geopoint p, String defaultName) { | ||
| final TextBox tb = new TextBox("Название закладки?", defaultName == null ? "" : defaultName, 100, 0); | ||
| tb.addCommand(MahoMapsApp.back); | ||
| tb.addCommand(MahoMapsApp.ok); | ||
| tb.setCommandListener(new CommandListener() { | ||
| public void commandAction(Command c, Displayable d) { | ||
| if (c == MahoMapsApp.back) | ||
| MahoMapsApp.BringMap(); | ||
| else if (c == MahoMapsApp.ok) { | ||
| String text = tb.getString(); | ||
| if (text != null && text.length() > 0) { | ||
| Add(p, text); | ||
| } | ||
| MahoMapsApp.BringMap(); | ||
| } | ||
| } | ||
| }); | ||
| MahoMapsApp.BringSubScreen(tb); | ||
| } | ||
|
|
||
| public static void Add(Geopoint p, String name) { | ||
| JSONArray arr = read(); | ||
| JSONObject obj = new JSONObject(); | ||
| obj.put("name", name); | ||
| obj.put("lat", p.lat); | ||
| obj.put("lon", p.lon); | ||
| arr.add(obj); | ||
| Save(arr); | ||
| } | ||
|
|
||
| private static void Save(JSONArray arr) { | ||
| try { | ||
| byte[] d = arr.toString().getBytes("UTF-8"); | ||
| RecordStore r = RecordStore.openRecordStore(RMS_NAME, true); | ||
| if (r.getNumRecords() == 0) | ||
| r.addRecord(new byte[1], 0, 1); | ||
| r.setRecord(1, d, 0, d.length); | ||
| r.closeRecordStore(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
|
|
||
| public void commandAction(Command c, Displayable d) { | ||
| if (c == MahoMapsApp.back) { | ||
| MahoMapsApp.BringMap(); | ||
| return; | ||
| } | ||
|
|
||
| if (list.size() == 0) | ||
| return; | ||
| int n = getSelectedIndex(); | ||
| if (n == -1) | ||
| return; | ||
|
|
||
| if (c == del) { | ||
| list.remove(n); | ||
| delete(n); | ||
| Save(list); | ||
| return; | ||
| } | ||
| JSONObject obj = list.getObject(n); | ||
| Geopoint p = new Geopoint(obj.getDouble("lat"), obj.getDouble("lon")); | ||
| if (c == SELECT_COMMAND) { | ||
| MahoMapsApp.GetCanvas().state = MapState.FocusAt(p); | ||
| MahoMapsApp.BringMap(); | ||
| } else if (c == from) { | ||
| RouteBuildOverlay.Get().SetA(p); | ||
| MahoMapsApp.BringMap(); | ||
| } else if (c == to) { | ||
| RouteBuildOverlay.Get().SetB(p); | ||
| MahoMapsApp.BringMap(); | ||
| } | ||
| } | ||
|
|
||
| } | ||
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Нет вызова setCurrent, не работает.