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Send history feature now exports full CSV dump

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git-svn-id: https://zxing.googlecode.com/svn/trunk@1258 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2010-03-25 21:51:26 +00:00
parent 9aef445f0e
commit 987865b83a
1 changed files with 40 additions and 7 deletions
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47
android/src/com/google/zxing/client/android/history/HistoryManager.java
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@ -27,6 +27,8 @@ import android.database.Cursor;
import android.net.Uri;
import android.os.Message;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import java.util.ArrayList;
@ -46,7 +48,14 @@ public final class HistoryManager {
private static final int MAX_ITEMS = 50;
private static final String[] TEXT_COL_PROJECTION = { DBHelper.TEXT_COL };
private static final String[] TEXT_FORMAT_COL_PROJECTION = { DBHelper.TEXT_COL, DBHelper.FORMAT_COL };
private static final String[] EXPORT_COL_PROJECTION = {
DBHelper.TEXT_COL,
DBHelper.DISPLAY_COL,
DBHelper.FORMAT_COL,
DBHelper.TIMESTAMP_COL,
};
private static final String[] ID_COL_PROJECTION = { DBHelper.ID_COL };
private static final DateFormat EXPORT_DATE_TIME_FORMAT = DateFormat.getDateTimeInstance();
private final CaptureActivity activity;
@ -91,12 +100,12 @@ public final class HistoryManager {
if (i == dialogItems.length - 1) {
clearHistory();
} else if (i == dialogItems.length - 2) {
String history = buildHistory();
CharSequence history = buildHistory();
Intent intent = new Intent(Intent.ACTION_SEND, Uri.parse("mailto:"));
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Intent.EXTRA_SUBJECT, res.getString(R.string.history_email_title));
intent.putExtra(Intent.EXTRA_TEXT, history);
intent.setType("text/plain");
intent.setType("text/csv");
activity.startActivity(intent);
} else {
Result result = items.get(i);
@ -167,18 +176,38 @@ public final class HistoryManager {
}
}
private String buildHistory() {
StringBuilder historyText = new StringBuilder();
/**
* <p>Builds a text representation of the scanning history. Each scan is encoded on one
* line, terminated by a line break (\n). The values in each line are comma-separated,
* and double-quoted. Double-quotes within values are escaped with a sequence of two
* double-quotes. The fields output are:</p>
*
* <ul>
* <li>Raw text</li>
* <li>Display text</li>
* <li>Format (e.g. QR_CODE)</li>
* <li>Timestamp</li>
* <li>Formatted version of timestamp</li>
* </ul>
*/
private CharSequence buildHistory() {
StringBuilder historyText = new StringBuilder(1000);
SQLiteOpenHelper helper = new DBHelper(activity);
SQLiteDatabase db = helper.getReadableDatabase();
Cursor cursor = null;
try {
cursor = db.query(DBHelper.TABLE_NAME,
TEXT_COL_PROJECTION,
EXPORT_COL_PROJECTION,
null, null, null, null,
DBHelper.TIMESTAMP_COL + " DESC");
while (cursor.moveToNext()) {
historyText.append(cursor.getString(0)).append('\n');
for (int col = 0; col < EXPORT_COL_PROJECTION.length; col++) {
historyText.append('"').append(massageHistoryField(cursor.getString(col)));
}
// Add timestamp again, formatted
long timestamp = cursor.getLong(EXPORT_COL_PROJECTION.length - 1);
historyText.append('"').append(massageHistoryField(EXPORT_DATE_TIME_FORMAT.format(new Date(timestamp))))
.append('"').append('\n');
}
} finally {
if (cursor != null) {
@ -186,7 +215,11 @@ public final class HistoryManager {
}
db.close();
}
return historyText.toString();
return historyText;
}
private static String massageHistoryField(String value) {
return value.replace("\"","\"\"");
}
void clearHistory() {