SelectableDecorator.qml Example File

    /*
     * Copyright (c) 2013 BlackBerry Limited.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    import bb.cascades 1.0
    import bb.cascades.datamanager 1.2
    import bb.cascades.decorators 1.2

    // ActionItem that deals with the SelectionDataModel decorator.
    ActionItem {
        ActionBar.placement: ActionBarPlacement.InOverflow
        onTriggered: {
            selectableModel.load()
            listView.dataModel = selectableDecorator
            listView.selectionChanged.connect(selectableDecorator.changeSelection)
        }

        attachedObjects: [
            // Decorator that enables the multiple selections of items by
            // injecting the data set with a new selection value based on user interaction.
            SelectionDataModelDecorator {
                id: selectableDecorator
                model: AsyncDataModel {
                    id: selectableModel
                    query: SqlDataQuery {
                        source: _sqlImagesDir + "/../discogs_small.db"
                        query: "select id, title, primary_image from master"
                        countQuery: "select count(*) from master"
                        onDataChanged: console.log("data changed: revision=" + revision)
                        onError: console.log("SQL query error: " + code + ", " + message)
                    }
                    onLoaded: console.log("initial model data is loaded")
                }
            }
        ]
    }