Examples with Model com.ichi2.libanki.Model used on opensource projects

Example 81 with Model

use of com.ichi2.libanki.Model in project Anki-Android by ankidroid.

the class Collection method _renderQA.

@RustCleanup("#8951 - Remove FrontSide added to the front")
@NonNull
public HashMap<String, String> _renderQA(long cid, Model model, long did, int ord, String tags, String[] flist, int flags, boolean browser, String qfmt, String afmt) {
    // data is [cid, nid, mid, did, ord, tags, flds, cardFlags]
    // unpack fields and create dict
    Map<String, Pair<Integer, JSONObject>> fmap = Models.fieldMap(model);
    Set<Map.Entry<String, Pair<Integer, JSONObject>>> maps = fmap.entrySet();
    Map<String, String> fields = HashUtil.HashMapInit(maps.size() + 8);
    for (Map.Entry<String, Pair<Integer, JSONObject>> entry : maps) {
        fields.put(entry.getKey(), flist[entry.getValue().first]);
    }
    int cardNum = ord + 1;
    fields.put("Tags", tags.trim());
    fields.put("Type", model.getString("name"));
    fields.put("Deck", mDecks.name(did));
    String baseName = Decks.basename(fields.get("Deck"));
    fields.put("Subdeck", baseName);
    fields.put("CardFlag", _flagNameFromCardFlags(flags));
    JSONObject template;
    if (model.isStd()) {
        template = model.getJSONArray("tmpls").getJSONObject(ord);
    } else {
        template = model.getJSONArray("tmpls").getJSONObject(0);
    }
    fields.put("Card", template.getString("name"));
    fields.put(String.format(Locale.US, "c%d", cardNum), "1");
    // render q & a
    HashMap<String, String> d = HashUtil.HashMapInit(2);
    d.put("id", Long.toString(cid));
    qfmt = TextUtils.isEmpty(qfmt) ? template.getString("qfmt") : qfmt;
    afmt = TextUtils.isEmpty(afmt) ? template.getString("afmt") : afmt;
    for (Pair<String, String> p : new Pair[] { new Pair<>("q", qfmt), new Pair<>("a", afmt) }) {
        String type = p.first;
        String format = p.second;
        if ("q".equals(type)) {
            format = fClozePatternQ.matcher(format).replaceAll(String.format(Locale.US, "{{$1cq-%d:", cardNum));
            format = fClozeTagStart.matcher(format).replaceAll(String.format(Locale.US, "<%%cq:%d:", cardNum));
            fields.put("FrontSide", "");
        } else {
            format = fClozePatternA.matcher(format).replaceAll(String.format(Locale.US, "{{$1ca-%d:", cardNum));
            format = fClozeTagStart.matcher(format).replaceAll(String.format(Locale.US, "<%%ca:%d:", cardNum));
            // the following line differs from libanki // TODO: why?
            // fields.put("FrontSide", mMedia.stripAudio(d.get("q")));
            fields.put("FrontSide", d.get("q"));
        }
        String html;
        try {
            html = ParsedNode.parse_inner(format).render(fields, "q".equals(type), getContext());
        } catch (TemplateError er) {
            Timber.w(er);
            html = er.message(getContext());
        }
        html = ChessFilter.fenToChessboard(html, getContext());
        if (!browser) {
            // browser don't show image. So compiling LaTeX actually remove information.
            html = LaTeX.mungeQA(html, this, model);
        }
        d.put(type, html);
        // empty cloze?
        if ("q".equals(type) && model.isCloze()) {
            if (Models._availClozeOrds(model, flist, false).isEmpty()) {
                String link = String.format("<a href=\"%s\">%s</a>", mContext.getResources().getString(R.string.link_ankiweb_docs_cloze_deletion), "help");
                System.out.println(link);
                d.put("q", mContext.getString(R.string.empty_cloze_warning, link));
            }
        }
    }
    return d;
}

Example 82 with Model

use of com.ichi2.libanki.Model in project Anki-Android by ankidroid.

the class CardContentProvider method update.

@Override
public int update(@NonNull Uri uri, ContentValues values, String selection, String[] selectionArgs) {
    if (!hasReadWritePermission() && shouldEnforceUpdateSecurity(uri)) {
        throwSecurityException("update", uri);
    }
    Collection col = CollectionHelper.getInstance().getCol(mContext);
    if (col == null) {
        throw new IllegalStateException(COL_NULL_ERROR_MSG);
    }
    col.log(getLogMessage("update", uri));
    // Find out what data the user is requesting
    int match = sUriMatcher.match(uri);
    // Number of updated entries (return value)
    int updated = 0;
    switch(match) {
        case NOTES_V2:
        case NOTES:
            throw new IllegalArgumentException("Not possible to update notes directly (only through data URI)");
        case NOTES_ID:
            {
                /* Direct access note details
                 */
                Note currentNote = getNoteFromUri(uri, col);
                // the key of the ContentValues contains the column name
                // the value of the ContentValues contains the row value.
                Set<Map.Entry<String, Object>> valueSet = values.valueSet();
                for (Map.Entry<String, Object> entry : valueSet) {
                    String key = entry.getKey();
                    // when the client does not specify FLDS, then don't update the FLDS
                    if (key.equals(FlashCardsContract.Note.FLDS)) {
                        // Update FLDS
                        Timber.d("CardContentProvider: flds update...");
                        String newFldsEncoded = (String) entry.getValue();
                        String[] flds = Utils.splitFields(newFldsEncoded);
                        // Check that correct number of flds specified
                        if (flds.length != currentNote.getFields().length) {
                            throw new IllegalArgumentException("Incorrect flds argument : " + newFldsEncoded);
                        }
                        // Update the note
                        for (int idx = 0; idx < flds.length; idx++) {
                            currentNote.setField(idx, flds[idx]);
                        }
                        updated++;
                    } else if (key.equals(FlashCardsContract.Note.TAGS)) {
                        // Update tags
                        Timber.d("CardContentProvider: tags update...");
                        Object tags = entry.getValue();
                        if (tags != null) {
                            currentNote.setTagsFromStr(String.valueOf(tags));
                        }
                        updated++;
                    } else {
                        // Unsupported column
                        throw new IllegalArgumentException("Unsupported column: " + key);
                    }
                }
                Timber.d("CardContentProvider: Saving note...");
                currentNote.flush();
                break;
            }
        case NOTES_ID_CARDS:
            // TODO: To be implemented
            throw new UnsupportedOperationException("Not yet implemented");
        // break;
        case NOTES_ID_CARDS_ORD:
            {
                Card currentCard = getCardFromUri(uri, col);
                boolean isDeckUpdate = false;
                long did = Decks.NOT_FOUND_DECK_ID;
                // the key of the ContentValues contains the column name
                // the value of the ContentValues contains the row value.
                Set<Map.Entry<String, Object>> valueSet = values.valueSet();
                for (Map.Entry<String, Object> entry : valueSet) {
                    // Only updates on deck id is supported
                    String key = entry.getKey();
                    isDeckUpdate = key.equals(FlashCardsContract.Card.DECK_ID);
                    did = values.getAsLong(key);
                }
                if (col.getDecks().isDyn(did)) {
                    throw new IllegalArgumentException("Cards cannot be moved to a filtered deck");
                }
                /* now update the card
                 */
                if ((isDeckUpdate) && (did >= 0)) {
                    Timber.d("CardContentProvider: Moving card to other deck...");
                    col.getDecks().flush();
                    currentCard.setDid(did);
                    currentCard.flush();
                    col.save();
                    updated++;
                } else {
                    // User tries an operation that is not (yet?) supported.
                    throw new IllegalArgumentException("Currently only updates of decks are supported");
                }
                break;
            }
        case MODELS:
            throw new IllegalArgumentException("Cannot update models in bulk");
        case MODELS_ID:
            // Get the input parameters
            String newModelName = values.getAsString(FlashCardsContract.Model.NAME);
            String newCss = values.getAsString(FlashCardsContract.Model.CSS);
            String newDid = values.getAsString(FlashCardsContract.Model.DECK_ID);
            String newFieldList = values.getAsString(FlashCardsContract.Model.FIELD_NAMES);
            if (newFieldList != null) {
                // Changing the field names would require a full-sync
                throw new IllegalArgumentException("Field names cannot be changed via provider");
            }
            Integer newSortf = values.getAsInteger(FlashCardsContract.Model.SORT_FIELD_INDEX);
            Integer newType = values.getAsInteger(FlashCardsContract.Model.TYPE);
            String newLatexPost = values.getAsString(FlashCardsContract.Model.LATEX_POST);
            String newLatexPre = values.getAsString(FlashCardsContract.Model.LATEX_PRE);
            // Get the original note JSON
            Model model = col.getModels().get(getModelIdFromUri(uri, col));
            try {
                // Update model name and/or css
                if (newModelName != null) {
                    model.put("name", newModelName);
                    updated++;
                }
                if (newCss != null) {
                    model.put("css", newCss);
                    updated++;
                }
                if (newDid != null) {
                    if (col.getDecks().isDyn(Long.parseLong(newDid))) {
                        throw new IllegalArgumentException("Cannot set a filtered deck as default deck for a model");
                    }
                    model.put("did", newDid);
                    updated++;
                }
                if (newSortf != null) {
                    model.put("sortf", newSortf);
                    updated++;
                }
                if (newType != null) {
                    model.put("type", newType);
                    updated++;
                }
                if (newLatexPost != null) {
                    model.put("latexPost", newLatexPost);
                    updated++;
                }
                if (newLatexPre != null) {
                    model.put("latexPre", newLatexPre);
                    updated++;
                }
                col.getModels().save(model);
                col.save();
            } catch (JSONException e) {
                Timber.e(e, "JSONException updating model");
            }
            break;
        case MODELS_ID_TEMPLATES:
            throw new IllegalArgumentException("Cannot update templates in bulk");
        case MODELS_ID_TEMPLATES_ID:
            Long mid = values.getAsLong(CardTemplate.MODEL_ID);
            Integer ord = values.getAsInteger(CardTemplate.ORD);
            String name = values.getAsString(CardTemplate.NAME);
            String qfmt = values.getAsString(CardTemplate.QUESTION_FORMAT);
            String afmt = values.getAsString(CardTemplate.ANSWER_FORMAT);
            String bqfmt = values.getAsString(CardTemplate.BROWSER_QUESTION_FORMAT);
            String bafmt = values.getAsString(CardTemplate.BROWSER_ANSWER_FORMAT);
            // Throw exception if read-only fields are included
            if (mid != null || ord != null) {
                throw new IllegalArgumentException("Updates to mid or ord are not allowed");
            }
            // Update the model
            try {
                int templateOrd = Integer.parseInt(uri.getLastPathSegment());
                Model existingModel = col.getModels().get(getModelIdFromUri(uri, col));
                JSONArray templates = existingModel.getJSONArray("tmpls");
                JSONObject template = templates.getJSONObject(templateOrd);
                if (name != null) {
                    template.put("name", name);
                    updated++;
                }
                if (qfmt != null) {
                    template.put("qfmt", qfmt);
                    updated++;
                }
                if (afmt != null) {
                    template.put("afmt", afmt);
                    updated++;
                }
                if (bqfmt != null) {
                    template.put("bqfmt", bqfmt);
                    updated++;
                }
                if (bafmt != null) {
                    template.put("bafmt", bafmt);
                    updated++;
                }
                // Save the model
                templates.put(templateOrd, template);
                existingModel.put("tmpls", templates);
                col.getModels().save(existingModel, true);
                col.save();
            } catch (JSONException e) {
                throw new IllegalArgumentException("Model is malformed", e);
            }
            break;
        case SCHEDULE:
            {
                Set<Map.Entry<String, Object>> valueSet = values.valueSet();
                int cardOrd = -1;
                long noteID = -1;
                int ease = -1;
                long timeTaken = -1;
                int bury = -1;
                int suspend = -1;
                for (Map.Entry<String, Object> entry : valueSet) {
                    String key = entry.getKey();
                    switch(key) {
                        case FlashCardsContract.ReviewInfo.NOTE_ID:
                            noteID = values.getAsLong(key);
                            break;
                        case FlashCardsContract.ReviewInfo.CARD_ORD:
                            cardOrd = values.getAsInteger(key);
                            break;
                        case FlashCardsContract.ReviewInfo.EASE:
                            ease = values.getAsInteger(key);
                            break;
                        case FlashCardsContract.ReviewInfo.TIME_TAKEN:
                            timeTaken = values.getAsLong(key);
                            break;
                        case FlashCardsContract.ReviewInfo.BURY:
                            bury = values.getAsInteger(key);
                            break;
                        case FlashCardsContract.ReviewInfo.SUSPEND:
                            suspend = values.getAsInteger(key);
                            break;
                    }
                }
                if (cardOrd != -1 && noteID != -1) {
                    Card cardToAnswer = getCard(noteID, cardOrd, col);
                    if (cardToAnswer != null) {
                        if (bury == 1) {
                            // bury card
                            buryOrSuspendCard(col, col.getSched(), cardToAnswer, true);
                        } else if (suspend == 1) {
                            // suspend card
                            buryOrSuspendCard(col, col.getSched(), cardToAnswer, false);
                        } else {
                            answerCard(col, col.getSched(), cardToAnswer, ease, timeTaken);
                        }
                        updated++;
                    } else {
                        Timber.e("Requested card with noteId %d and cardOrd %d was not found. Either the provided " + "noteId/cardOrd were wrong or the card has been deleted in the meantime.", noteID, cardOrd);
                    }
                }
                break;
            }
        case DECKS:
            throw new IllegalArgumentException("Can't update decks in bulk");
        case DECKS_ID:
            // TODO: be sure to throw exception if change to the dyn value of a deck is requested
            throw new UnsupportedOperationException("Not yet implemented");
        case DECK_SELECTED:
            {
                Set<Map.Entry<String, Object>> valueSet = values.valueSet();
                for (Map.Entry<String, Object> entry : valueSet) {
                    String key = entry.getKey();
                    if (key.equals(FlashCardsContract.Deck.DECK_ID)) {
                        long deckId = values.getAsLong(key);
                        if (selectDeckWithCheck(col, deckId)) {
                            updated++;
                        }
                    }
                }
                col.save();
                break;
            }
        default:
            // Unknown URI type
            throw new IllegalArgumentException("uri " + uri + " is not supported");
    }
    return updated;
}

Example 83 with Model

use of com.ichi2.libanki.Model in project Anki-Android by ankidroid.

the class CardContentProvider method insert.

@Override
public Uri insert(@NonNull Uri uri, ContentValues values) {
    if (!hasReadWritePermission() && shouldEnforceQueryOrInsertSecurity()) {
        throwSecurityException("insert", uri);
    }
    Collection col = CollectionHelper.getInstance().getCol(mContext);
    if (col == null) {
        throw new IllegalStateException(COL_NULL_ERROR_MSG);
    }
    col.log(getLogMessage("insert", uri));
    // Find out what data the user is requesting
    int match = sUriMatcher.match(uri);
    switch(match) {
        case NOTES:
            {
                /* Insert new note with specified fields and tags
                 */
                Long modelId = values.getAsLong(FlashCardsContract.Note.MID);
                String flds = values.getAsString(FlashCardsContract.Note.FLDS);
                String tags = values.getAsString(FlashCardsContract.Note.TAGS);
                Models.AllowEmpty allowEmpty = Models.AllowEmpty.fromBoolean(values.getAsBoolean(FlashCardsContract.Note.ALLOW_EMPTY));
                // Create empty note
                com.ichi2.libanki.Note newNote = new com.ichi2.libanki.Note(col, col.getModels().get(modelId));
                // Set fields
                String[] fldsArray = Utils.splitFields(flds);
                // Check that correct number of flds specified
                if (fldsArray.length != newNote.getFields().length) {
                    throw new IllegalArgumentException("Incorrect flds argument : " + flds);
                }
                for (int idx = 0; idx < fldsArray.length; idx++) {
                    newNote.setField(idx, fldsArray[idx]);
                }
                // Set tags
                if (tags != null) {
                    newNote.setTagsFromStr(tags);
                }
                // Add to collection
                col.addNote(newNote, allowEmpty);
                col.save();
                return Uri.withAppendedPath(FlashCardsContract.Note.CONTENT_URI, Long.toString(newNote.getId()));
            }
        case NOTES_ID:
            // Note ID is generated automatically by libanki
            throw new IllegalArgumentException("Not possible to insert note with specific ID");
        case NOTES_ID_CARDS:
        case NOTES_ID_CARDS_ORD:
            // Cards are generated automatically by libanki
            throw new IllegalArgumentException("Not possible to insert cards directly (only through NOTES)");
        case MODELS:
            // Get input arguments
            String modelName = values.getAsString(FlashCardsContract.Model.NAME);
            String css = values.getAsString(FlashCardsContract.Model.CSS);
            Long did = values.getAsLong(FlashCardsContract.Model.DECK_ID);
            String fieldNames = values.getAsString(FlashCardsContract.Model.FIELD_NAMES);
            Integer numCards = values.getAsInteger(FlashCardsContract.Model.NUM_CARDS);
            Integer sortf = values.getAsInteger(FlashCardsContract.Model.SORT_FIELD_INDEX);
            Integer type = values.getAsInteger(FlashCardsContract.Model.TYPE);
            String latexPost = values.getAsString(FlashCardsContract.Model.LATEX_POST);
            String latexPre = values.getAsString(FlashCardsContract.Model.LATEX_PRE);
            // Throw exception if required fields empty
            if (modelName == null || fieldNames == null || numCards == null) {
                throw new IllegalArgumentException("Model name, field_names, and num_cards can't be empty");
            }
            if (did != null && col.getDecks().isDyn(did)) {
                throw new IllegalArgumentException("Cannot set a filtered deck as default deck for a model");
            }
            // Create a new model
            ModelManager mm = col.getModels();
            Model newModel = mm.newModel(modelName);
            try {
                // Add the fields
                String[] allFields = Utils.splitFields(fieldNames);
                for (String f : allFields) {
                    mm.addFieldInNewModel(newModel, mm.newField(f));
                }
                // Add some empty card templates
                for (int idx = 0; idx < numCards; idx++) {
                    String card_name = mContext.getResources().getString(R.string.card_n_name, idx + 1);
                    JSONObject t = Models.newTemplate(card_name);
                    t.put("qfmt", String.format("{{%s}}", allFields[0]));
                    String answerField = allFields[0];
                    if (allFields.length > 1) {
                        answerField = allFields[1];
                    }
                    t.put("afmt", String.format("{{FrontSide}}\\n\\n<hr id=answer>\\n\\n{{%s}}", answerField));
                    mm.addTemplateInNewModel(newModel, t);
                }
                // Add the CSS if specified
                if (css != null) {
                    newModel.put("css", css);
                }
                // Add the did if specified
                if (did != null) {
                    newModel.put("did", did);
                }
                if (sortf != null && sortf < allFields.length) {
                    newModel.put("sortf", sortf);
                }
                if (type != null) {
                    newModel.put("type", type);
                }
                if (latexPost != null) {
                    newModel.put("latexPost", latexPost);
                }
                if (latexPre != null) {
                    newModel.put("latexPre", latexPre);
                }
                // Add the model to collection (from this point on edits will require a full-sync)
                mm.add(newModel);
                col.save();
                // Get the mid and return a URI
                String mid = Long.toString(newModel.getLong("id"));
                return Uri.withAppendedPath(FlashCardsContract.Model.CONTENT_URI, mid);
            } catch (JSONException e) {
                Timber.e(e, "Could not set a field of new model %s", modelName);
                return null;
            }
        case MODELS_ID:
            // Model ID is generated automatically by libanki
            throw new IllegalArgumentException("Not possible to insert model with specific ID");
        case MODELS_ID_TEMPLATES:
            {
                ModelManager models = col.getModels();
                Long mid = getModelIdFromUri(uri, col);
                Model existingModel = models.get(mid);
                if (existingModel == null) {
                    throw new IllegalArgumentException("model missing: " + mid);
                }
                String name = values.getAsString(CardTemplate.NAME);
                String qfmt = values.getAsString(CardTemplate.QUESTION_FORMAT);
                String afmt = values.getAsString(CardTemplate.ANSWER_FORMAT);
                String bqfmt = values.getAsString(CardTemplate.BROWSER_QUESTION_FORMAT);
                String bafmt = values.getAsString(CardTemplate.BROWSER_ANSWER_FORMAT);
                try {
                    JSONObject t = Models.newTemplate(name);
                    t.put("qfmt", qfmt);
                    t.put("afmt", afmt);
                    t.put("bqfmt", bqfmt);
                    t.put("bafmt", bafmt);
                    models.addTemplate(existingModel, t);
                    models.save(existingModel);
                    col.save();
                    return ContentUris.withAppendedId(uri, t.getInt("ord"));
                } catch (ConfirmModSchemaException e) {
                    throw new IllegalArgumentException("Unable to add template without user requesting/accepting full-sync", e);
                } catch (JSONException e) {
                    throw new IllegalArgumentException("Unable to get ord from new template", e);
                }
            }
        case MODELS_ID_TEMPLATES_ID:
            throw new IllegalArgumentException("Not possible to insert template with specific ORD");
        case MODELS_ID_FIELDS:
            {
                ModelManager models = col.getModels();
                long mid = getModelIdFromUri(uri, col);
                Model existingModel = models.get(mid);
                if (existingModel == null) {
                    throw new IllegalArgumentException("model missing: " + mid);
                }
                String name = values.getAsString(FlashCardsContract.Model.FIELD_NAME);
                if (name == null) {
                    throw new IllegalArgumentException("field name missing for model: " + mid);
                }
                JSONObject field = models.newField(name);
                try {
                    models.addField(existingModel, field);
                    col.save();
                    JSONArray flds = existingModel.getJSONArray("flds");
                    return ContentUris.withAppendedId(uri, flds.length() - 1);
                } catch (ConfirmModSchemaException e) {
                    throw new IllegalArgumentException("Unable to insert field: " + name, e);
                } catch (JSONException e) {
                    throw new IllegalArgumentException("Unable to get newly created field: " + name, e);
                }
            }
        case SCHEDULE:
            // Doesn't make sense to insert an object into the schedule table
            throw new IllegalArgumentException("Not possible to perform insert operation on schedule");
        case DECKS:
            // Insert new deck with specified name
            String deckName = values.getAsString(FlashCardsContract.Deck.DECK_NAME);
            did = col.getDecks().id_for_name(deckName);
            if (did != null) {
                throw new IllegalArgumentException("Deck name already exists: " + deckName);
            }
            if (!Decks.isValidDeckName(deckName)) {
                throw new IllegalArgumentException("Invalid deck name '" + deckName + "'");
            }
            try {
                did = col.getDecks().id(deckName);
            } catch (DeckRenameException filteredSubdeck) {
                throw new IllegalArgumentException(filteredSubdeck.getMessage());
            }
            Deck deck = col.getDecks().get(did);
            if (deck != null) {
                try {
                    String deckDesc = values.getAsString(FlashCardsContract.Deck.DECK_DESC);
                    if (deckDesc != null) {
                        deck.put("desc", deckDesc);
                    }
                } catch (JSONException e) {
                    Timber.e(e, "Could not set a field of new deck %s", deckName);
                    return null;
                }
            }
            col.getDecks().flush();
            return Uri.withAppendedPath(FlashCardsContract.Deck.CONTENT_ALL_URI, Long.toString(did));
        case DECK_SELECTED:
            // Can't have more than one selected deck
            throw new IllegalArgumentException("Selected deck can only be queried and updated");
        case DECKS_ID:
            // Deck ID is generated automatically by libanki
            throw new IllegalArgumentException("Not possible to insert deck with specific ID");
        case MEDIA:
            // contentvalue should have data and preferredFileName values
            return insertMediaFile(values, col);
        default:
            // Unknown URI type
            throw new IllegalArgumentException("uri " + uri + " is not supported");
    }
}

Example 84 with Model

use of com.ichi2.libanki.Model in project Anki-Android by ankidroid.

the class CardContentProvider method getTemplateFromUri.

private JSONObject getTemplateFromUri(Uri uri, Collection col) throws JSONException {
    JSONObject model = col.getModels().get(getModelIdFromUri(uri, col));
    int ord = Integer.parseInt(uri.getLastPathSegment());
    return model.getJSONArray("tmpls").getJSONObject(ord);
}

Example 85 with Model

use of com.ichi2.libanki.Model in project Anki-Android by ankidroid.

the class Finder method ordForMid.

/**
 * Find duplicates
 * ***********************************************************
 * @param col  The collection
 * @param fields A map from some note type id to the ord of the field fieldName
 * @param mid a note type id
 * @param fieldName A name, assumed to be the name of a field of some note type
 * @return The ord of the field fieldName in the note type whose id is mid. null if there is no such field. Save the information in fields
 */
public static Integer ordForMid(Collection col, Map<Long, Integer> fields, long mid, String fieldName) {
    if (!fields.containsKey(mid)) {
        JSONObject model = col.getModels().get(mid);
        JSONArray flds = model.getJSONArray("flds");
        for (int c = 0; c < flds.length(); c++) {
            JSONObject f = flds.getJSONObject(c);
            if (f.getString("name").equalsIgnoreCase(fieldName)) {
                fields.put(mid, c);
                return c;
            }
        }
        fields.put(mid, null);
    }
    return fields.get(mid);
}