com.evolveum.midpoint.gui.api.component.autocomplete.AutoCompleteItemDefinitionPanel.java Source code

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Here is the source code for com.evolveum.midpoint.gui.api.component.autocomplete.AutoCompleteItemDefinitionPanel.java

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/*
 * Copyright (c) 2010-2017 Evolveum
 *
 * 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 com.evolveum.midpoint.gui.api.component.autocomplete;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.extensions.ajax.markup.html.autocomplete.AutoCompleteTextField;
import org.apache.wicket.markup.html.form.FormComponent;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

import com.evolveum.midpoint.prism.ItemDefinition;

public class AutoCompleteItemDefinitionPanel extends AbstractAutoCompletePanel {

    private static final long serialVersionUID = 1L;
    private static final String ID_INPUT = "input";

    public AutoCompleteItemDefinitionPanel(String id, final IModel<ItemDefinition<?>> model) {
        super(id);
        initLayout(model);
    }

    private void initLayout(final IModel<ItemDefinition<?>> model) {
        final Model<String> itemDefinitionAsStringModel = new Model<>(null);
        AutoCompleteTextField<String> input = new AutoCompleteTextField<String>(ID_INPUT,
                itemDefinitionAsStringModel, String.class, createAutoCompleteSettings()) {

            private static final long serialVersionUID = 1L;

            @Override
            protected Iterator<String> getChoices(String input) {
                List<String> defsAsString = new ArrayList<>();
                for (ItemDefinition<?> def : listChoices(input).values()) {
                    defsAsString.add(def.getName().getLocalPart());
                }
                return defsAsString.iterator();

            }

            @Override
            protected void onConfigure() {
                super.onConfigure();
                itemDefinitionAsStringModel.setObject(null);
            }

        };

        input.add(new OnChangeAjaxBehavior() {
            private static final long serialVersionUID = 1L;

            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                String newValue = itemDefinitionAsStringModel.getObject();
                if (StringUtils.isNotBlank(newValue)) {
                    ItemDefinition<?> def = listChoices("").get(newValue);
                    if (def != null) {
                        model.setObject(def);
                    }
                }
            }
        });

        add(input);
    }

    protected Map<String, ItemDefinition<?>> listChoices(String input) {
        return new HashMap<>();
    }

    @Override
    public FormComponent<?> getBaseFormComponent() {
        return (FormComponent<?>) get(ID_INPUT);
    }

}