GridWidgetColumnFactoryImpl.java

/*
 * Copyright 2011 Red Hat, Inc. and/or its affiliates.
 * 
 * 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.
 */
package org.drools.workbench.screens.guided.dtable.client.widget.table.model.converters.column.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javax.enterprise.context.Dependent;

import org.drools.workbench.models.guided.dtable.shared.model.BaseColumn;
import org.drools.workbench.models.guided.dtable.shared.model.GuidedDecisionTable52;
import org.drools.workbench.screens.guided.dtable.client.widget.table.GuidedDecisionTablePresenter;
import org.drools.workbench.screens.guided.dtable.client.widget.table.GuidedDecisionTableView;
import org.drools.workbench.screens.guided.dtable.client.widget.table.columns.BaseUiColumn;
import org.drools.workbench.screens.guided.dtable.client.widget.table.model.converters.column.BaseColumnConverter;
import org.drools.workbench.screens.guided.dtable.client.widget.table.model.converters.column.GridWidgetColumnFactory;
import org.drools.workbench.screens.guided.dtable.client.widget.table.utilities.ColumnUtilities;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.uberfire.ext.wires.core.grids.client.model.GridColumn;

@Dependent
public class GridWidgetColumnFactoryImpl implements GridWidgetColumnFactory {

    private final List<BaseColumnConverter> converters = new ArrayList<BaseColumnConverter>();

    @Override
    public void setConverters(final List<BaseColumnConverter> converters) {
        this.converters.clear();
        Collections.sort(converters,
                         new Comparator<BaseColumnConverter>() {
                             @Override
                             public int compare(final BaseColumnConverter o1,
                                                final BaseColumnConverter o2) {
                                 return o2.priority() - o1.priority();
                             }
                         });
        this.converters.addAll(converters);
    }

    @Override
    public void initialise(final GuidedDecisionTable52 model,
                           final AsyncPackageDataModelOracle oracle,
                           final ColumnUtilities columnUtilities,
                           final GuidedDecisionTableView.Presenter presenter) {
        for (BaseColumnConverter converter : converters) {
            converter.initialise(model,
                                 oracle,
                                 columnUtilities,
                                 presenter);
        }
    }

    @Override
    public GridColumn<?> convertColumn(final BaseColumn column,
                                       final GuidedDecisionTablePresenter.Access access,
                                       final GuidedDecisionTableView gridWidget) {
        for (BaseColumnConverter converter : converters) {
            if (converter.handles(column)) {
                final GridColumn<?> uiColumn = converter.convertColumn(column,
                                                                       access,
                                                                       gridWidget);
                if (uiColumn instanceof BaseUiColumn) {
                    ((BaseUiColumn) uiColumn).setColumnResizeListener((double width) -> column.setWidth(((int) width)));
                }
                //Copy back UI Column width into Model as BaseColumn does not have a width set by default
                column.setWidth((int) uiColumn.getWidth());
                return uiColumn;
            }
        }
        throw new IllegalArgumentException("Column '" + column.getHeader() + "' was not converted.");
    }
}