Examples with HasValueSource com.haulmont.cuba.gui.components.data.HasValueSource used on opensource projects

Example 6 with HasValueSource

use of com.haulmont.cuba.gui.components.data.HasValueSource in project cuba by cuba-platform.

the class LookupBuilderProcessor method getViewForField.

/**
 * If the value for a component (e.g. {@link com.haulmont.cuba.gui.components.PickerField}) is selected from lookup screen then there may be cases
 * when in entities in lookup screen some attributes required in the editor are not loaded.
 * <p>
 * The method evaluates the view that is used for the entity in the given {@code field}
 *
 * @return a view or null if the view cannot be evaluated
 */
@Nullable
protected <E extends Entity> View getViewForField(HasValue<E> field) {
    if (field instanceof HasValueSource) {
        ValueSource valueSource = ((HasValueSource) field).getValueSource();
        if (valueSource instanceof ContainerValueSource) {
            ContainerValueSource containerValueSource = (ContainerValueSource) valueSource;
            InstanceContainer<E> container = containerValueSource.getContainer();
            View view = container.getView();
            if (view != null) {
                MetaPropertyPath metaPropertyPath = containerValueSource.getMetaPropertyPath();
                View curView = view;
                for (MetaProperty metaProperty : metaPropertyPath.getMetaProperties()) {
                    ViewProperty viewProperty = curView.getProperty(metaProperty.getName());
                    if (viewProperty != null) {
                        curView = viewProperty.getView();
                    }
                    if (curView == null)
                        break;
                }
                if (curView != view) {
                    return curView;
                }
            }
        }
    }
    return null;
}

Example 7 with HasValueSource

use of com.haulmont.cuba.gui.components.data.HasValueSource in project cuba by cuba-platform.

the class ReadOnlyScreensSupport method isEditableConsideringDataBinding.

protected boolean isEditableConsideringDataBinding(Component component, boolean editable) {
    boolean shouldBeEditable = true;
    if (component instanceof HasValueSource && ((HasValueSource) component).getValueSource() != null) {
        ValueSource valueSource = ((HasValueSource) component).getValueSource();
        shouldBeEditable = !valueSource.isReadOnly();
        if (valueSource instanceof EntityValueSource && ((EntityValueSource) valueSource).isDataModelSecurityEnabled()) {
            MetaPropertyPath metaPropertyPath = ((EntityValueSource) valueSource).getMetaPropertyPath();
            if (!security.isEntityAttrUpdatePermitted(metaPropertyPath) || !security.isEntityAttrReadPermitted(metaPropertyPath)) {
                shouldBeEditable = false;
            }
        }
    }
    return editable && shouldBeEditable;
}

Example 8 with HasValueSource

use of com.haulmont.cuba.gui.components.data.HasValueSource in project cuba by cuba-platform.

the class AttributeAccessSupport method visitComponent.

protected void visitComponent(com.haulmont.cuba.gui.components.Component component, boolean reset) {
    if (!(component instanceof HasValueSource)) {
        return;
    }
    ValueSource valueSource = ((HasValueSource) component).getValueSource();
    if (!(valueSource instanceof EntityValueSource)) {
        return;
    }
    EntityValueSource entityValueSource = (EntityValueSource) valueSource;
    MetaPropertyPath propertyPath = entityValueSource.getMetaPropertyPath();
    if (valueSource.getState() != BindingState.ACTIVE || propertyPath == null) {
        return;
    }
    if (reset) {
        component.setVisible(security.isEntityAttrReadPermitted(entityValueSource.getEntityMetaClass(), propertyPath.toString()));
        if (component instanceof Editable) {
            ((Editable) component).setEditable(security.isEntityAttrUpdatePermitted(entityValueSource.getEntityMetaClass(), propertyPath.toString()));
        }
        if (component instanceof Field) {
            ((Field) component).setRequired(propertyPath.getMetaProperty().isMandatory());
        }
    }
    Entity item = entityValueSource.getItem();
    ComponentState componentState = calculateComponentState(item, propertyPath);
    if (metadataTools.isEmbeddable(item.getMetaClass()) && entityValueSource instanceof DatasourceValueSource) {
        Datasource ds = ((DatasourceValueSource) entityValueSource).getDatasource();
        if (ds instanceof EmbeddedDatasource) {
            Datasource masterDs = ((EmbeddedDatasource) ds).getMaster();
            item = masterDs.getItem();
            componentState = calculateComponentState(item, metadataTools.resolveMetaPropertyPath(masterDs.getMetaClass(), ((EmbeddedDatasource) ds).getProperty().getName() + "." + propertyPath));
        }
    }
    if (componentState.hidden) {
        component.setVisible(false);
    }
    if (componentState.readOnly) {
        if (component instanceof Editable) {
            ((Editable) component).setEditable(false);
        }
    }
    if (component instanceof Field) {
        if (componentState.required && ((Field) component).isEditable() && component.isVisibleRecursive()) {
            ((Field) component).setRequired(true);
        }
    }
}

Example 9 with HasValueSource

use of com.haulmont.cuba.gui.components.data.HasValueSource in project cuba by cuba-platform.

the class WebTableFieldFactory method applyPermissions.

protected void applyPermissions(com.haulmont.cuba.gui.components.Component columnComponent) {
    if (columnComponent instanceof HasValueSource && columnComponent instanceof com.haulmont.cuba.gui.components.Component.Editable) {
        HasValueSource component = (HasValueSource) columnComponent;
        MetaPropertyPath propertyPath = ((EntityValueSource) component.getValueSource()).getMetaPropertyPath();
        if (propertyPath != null) {
            com.haulmont.cuba.gui.components.Component.Editable editable = (com.haulmont.cuba.gui.components.Component.Editable) component;
            editable.setEditable(editable.isEditable() && security.isEntityAttrUpdatePermitted(propertyPath));
        }
    }
}