Examples with Instance com.haulmont.chile.core.model.Instance used on opensource projects

Example 16 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class WebEntityLinkField method initComponent.

protected void initComponent() {
    component.addClickListener(event -> {
        if (clickHandler != null) {
            clickHandler.onClick(WebEntityLinkField.this);
        } else {
            openEntityEditor();
        }
    });
    component.setCaptionFormatter((value, locale) -> {
        if (value == null) {
            return "";
        }
        if (value instanceof Instance) {
            return metadataTools.getInstanceName((Instance) value);
        }
        Datatype datatype = Datatypes.getNN(value.getClass());
        if (locale != null) {
            return datatype.format(value, locale);
        }
        return datatype.format(value);
    });
}

Example 17 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class AbstractCollectionDatasource method getQueryParameters.

protected Map<String, Object> getQueryParameters(Map<String, Object> params) {
    final Map<String, Object> map = new HashMap<>();
    for (ParameterInfo info : queryParameters) {
        String name = info.getFlatName();
        final String path = info.getPath();
        final String[] elements = path.split("\\.");
        switch(info.getType()) {
            case DATASOURCE:
                {
                    String dsName = elements[0];
                    final Datasource datasource = dsContext.get(dsName);
                    if (datasource == null) {
                        throw new DevelopmentException("Datasource '" + dsName + "' not found in dsContext", "datasource", dsName);
                    }
                    if (datasource.getState() == State.VALID) {
                        final Entity item = datasource.getItem();
                        if (elements.length > 1) {
                            String[] valuePath = ArrayUtils.subarray(elements, 1, elements.length);
                            String propertyName = InstanceUtils.formatValuePath(valuePath);
                            Object value = InstanceUtils.getValueEx(item, propertyName);
                            map.put(name, value);
                        } else {
                            map.put(name, item);
                        }
                    } else {
                        map.put(name, null);
                    }
                    break;
                }
            case PARAM:
                {
                    Object value;
                    if (dsContext.getFrameContext() == null) {
                        value = null;
                    } else {
                        Map<String, Object> windowParams = dsContext.getFrameContext().getParams();
                        value = windowParams.get(path);
                        if (value == null && elements.length > 1) {
                            Instance instance = (Instance) windowParams.get(elements[0]);
                            if (instance != null) {
                                String[] valuePath = ArrayUtils.subarray(elements, 1, elements.length);
                                String propertyName = InstanceUtils.formatValuePath(valuePath);
                                value = InstanceUtils.getValueEx(instance, propertyName);
                            }
                        }
                    }
                    if (value instanceof String && info.isCaseInsensitive()) {
                        value = makeCaseInsensitive((String) value);
                    }
                    map.put(name, value);
                    break;
                }
            case COMPONENT:
                {
                    Object value = null;
                    if (dsContext.getFrameContext() != null) {
                        value = dsContext.getFrameContext().getValue(path);
                        if (value instanceof String && info.isCaseInsensitive()) {
                            value = makeCaseInsensitive((String) value);
                        }
                        if (java.sql.Date.class.equals(info.getJavaClass()) && value instanceof Date) {
                            value = new java.sql.Date(((Date) value).getTime());
                        }
                        if (refreshOnComponentValueChange) {
                            if (componentValueListener == null)
                                componentValueListener = new ComponentValueListener();
                            try {
                                dsContext.getFrameContext().addValueChangeListener(path, componentValueListener);
                            } catch (Exception e) {
                                Logger log = LoggerFactory.getLogger(AbstractCollectionDatasource.class);
                                log.error("Unable to add value listener: " + e);
                            }
                        }
                    }
                    map.put(name, value);
                    break;
                }
            case SESSION:
                {
                    Object value;
                    value = userSession.getAttribute(path);
                    if (value instanceof String && info.isCaseInsensitive()) {
                        value = makeCaseInsensitive((String) value);
                    }
                    map.put(name, value);
                    break;
                }
            case CUSTOM:
                {
                    Object value = params.get(info.getPath());
                    if (value == null) {
                        // a case when a query contains a parameter like :custom$city.country.id and we passed
                        // just "city" parameter to the datasource refresh() method
                        String[] pathElements = info.getPath().split("\\.");
                        if (pathElements.length > 1) {
                            Object entity = params.get(pathElements[0]);
                            if (entity instanceof Instance) {
                                value = InstanceUtils.getValueEx((Instance) entity, Arrays.copyOfRange(pathElements, 1, pathElements.length));
                            }
                        }
                    }
                    if (value instanceof String && info.isCaseInsensitive()) {
                        value = makeCaseInsensitive((String) value);
                    }
                    map.put(name, value);
                    break;
                }
            default:
                {
                    throw new UnsupportedOperationException("Unsupported parameter type: " + info.getType());
                }
        }
    }
    return map;
}

Example 18 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class PropertyDatasourceImpl method setItem.

@Override
public void setItem(T item) {
    if (getItem() != null) {
        metadata.getTools().copy(item, getItem());
        itemsToUpdate.add(item);
    } else {
        final Instance parentItem = masterDs.getItem();
        parentItem.setValue(metaProperty.getName(), item);
    }
    setModified(true);
}