Examples of com.vaadin.data.Property$Viewer

com.vaadin.data.Property
Interface implemented by the viewer classes capable of using a Property as a data source. @author Vaadin Ltd. @since 3.0

                    captionChangeNotifiers.add(i);
                }
                Collection pids = i.getItemPropertyIds();
                if (pids != null) {
                    for (Iterator it = pids.iterator(); it.hasNext();) {
                        Property p = i.getItemProperty(it.next());
                        if (p != null
                                && p instanceof Property.ValueChangeNotifier) {
                            ((Property.ValueChangeNotifier) p)
                                    .addListener(getCaptionChangeListener());
                            captionChangeNotifiers.add(p);
                        }
                    }


                }
                break;
            case ITEM_CAPTION_MODE_PROPERTY:
                final Property p = getContainerProperty(itemId,
                        getItemCaptionPropertyId());
                if (p != null && p instanceof Property.ValueChangeNotifier) {
                    ((Property.ValueChangeNotifier) p)
                            .addListener(getCaptionChangeListener());
                    captionChangeNotifiers.add(p);

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                if (cols > 0) {
                    for (int j = 0; j < cols; j++) {
                        if (isColumnCollapsed(colids[j])) {
                            continue;
                        }
                        Property p = null;
                        Object value = "";
                        boolean isGenerated = columnGenerators
                                .containsKey(colids[j]);


                        if (!isGenerated) {
                            p = getContainerProperty(id, colids[j]);
                        }


                        // check in current pageBuffer already has row
                        int index = firstIndex + i;
                        if (p != null || isGenerated) {
                            if (index < firstIndexNotInCache
                                    && index >= pageBufferFirstIndex) {
                                // we have data already in our cache,
                                // recycle it instead of fetching it via
                                // getValue/getPropertyValue
                                int indexInOldBuffer = index
                                        - pageBufferFirstIndex;
                                value = pageBuffer[CELL_FIRSTCOL + j][indexInOldBuffer];
                                if (!isGenerated && iscomponent[j]
                                        || !(value instanceof Component)) {
                                    listenProperty(p, oldListenedProperties);
                                }
                            } else {
                                if (isGenerated) {
                                    ColumnGenerator cg = columnGenerators
                                            .get(colids[j]);
                                    value = cg
                                            .generateCell(this, id, colids[j]);


                                } else if (iscomponent[j]) {
                                    value = p.getValue();
                                    listenProperty(p, oldListenedProperties);
                                } else if (p != null) {
                                    value = getPropertyValue(id, colids[j], p);
                                    /*
                                     * If returned value is Component (via

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        final Field field = fields.get(id);
        if (field == null) {
            // field does not exist or it is not (yet) created for this property
            return ownProperties.get(id);
        }
        final Property property = field.getPropertyDataSource();


        if (property != null) {
            return property;
        } else {
            return field;

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        }


        // Adds all the properties to this form
        for (final Iterator i = propertyIds.iterator(); i.hasNext();) {
            final Object id = i.next();
            final Property property = itemDatasource.getItemProperty(id);
            if (id != null && property != null) {
                final Field f = fieldFactory.createField(itemDatasource, id,
                        this);
                if (f != null) {
                    f.setPropertyDataSource(property);

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                        descriptions[i].toString());
            }
        }


        // Sets the property data source
        final Property property = oldField.getPropertyDataSource();
        oldField.setPropertyDataSource(null);
        newField.setPropertyDataSource(property);


        // Replaces the old field with new one
        layout.replaceComponent(oldField, newField);

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        if (propertyId == null) {
            throw new BindException(
                    "The given field is not part of this FieldBinder");
        }


        Property fieldDataSource = field.getPropertyDataSource();
        if (fieldDataSource instanceof TransactionalPropertyWrapper) {
            fieldDataSource = ((TransactionalPropertyWrapper) fieldDataSource)
                    .getWrappedProperty();
        }
        if (fieldDataSource == getItemProperty(propertyId)) {

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        final int count = metadata.getColumnCount();
        final ArrayList<String> list = new ArrayList<String>(count);
        for (int i = 1; i <= count; i++) {
            final String columnName = metadata.getColumnName(i);
            list.add(columnName);
            final Property p = getContainerProperty(new Integer(1), columnName);
            propertyTypes.put(columnName,
                    p == null ? Object.class : p.getType());
        }
        propertyIds = Collections.unmodifiableCollection(list);
    }

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     */
    protected int compareProperty(Object propertyId, boolean sortDirection,
            Item item1, Item item2) {


        // Get the properties to compare
        final Property property1 = item1.getItemProperty(propertyId);
        final Property property2 = item2.getItemProperty(propertyId);


        // Get the values to compare
        final Object value1 = (property1 == null) ? null : property1.getValue();
        final Object value2 = (property2 == null) ? null : property2.getValue();


        // Result of the comparison
        int r = 0;
        if (sortDirection) {
            r = propertyValueComparator.compare(value1, value2);

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        this.propertyId = propertyId;
    }


    public boolean passesFilter(Object itemId, Item item)
            throws UnsupportedOperationException {
        final Property p = item.getItemProperty(getPropertyId());
        if (null == p) {
            return false;
        }
        return null == p.getValue();
    }

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        this.ignoreCase = ignoreCase;
        this.onlyMatchPrefix = onlyMatchPrefix;
    }


    public boolean passesFilter(Object itemId, Item item) {
        final Property p = item.getItemProperty(propertyId);
        if (p == null || p.toString() == null) {
            return false;
        }
        final String value = ignoreCase ? p.toString().toLowerCase() : p
                .toString();
        if (onlyMatchPrefix) {
            if (!value.startsWith(filterString)) {
                return false;
            }

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