RemoteComboDictionaryFilterWithMemory.java

package pl.touk.top.dictionary.impl.gwt.client.widgets.withMemory;

/*
 * Copyright (c) 2010 TouK.pl
 *
 * 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 com.extjs.gxt.ui.client.data.ModelData;
import com.extjs.gxt.ui.client.data.PagingLoader;
import com.extjs.gxt.ui.client.widget.toolbar.PagingToolBar;
import com.extjs.gxt.ui.client.event.FieldEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionChangedEvent;
import com.extjs.gxt.ui.client.event.SelectionChangedListener;
import com.extjs.gxt.ui.client.store.ListStore;
import com.google.gwt.core.client.GWT;
import java.util.HashSet;
import pl.touk.tola.gwt.client.state.TolaStateManager;
import pl.touk.top.dictionary.impl.gwt.client.widgets.DictionaryBasedRemoteFilter;

/**
 * Combo with coockie based memmory with use with dictionary filters
 *
 * 
 * @author Rafał Pietrasik
 */
public class RemoteComboDictionaryFilterWithMemory extends DictionaryBasedRemoteFilter {

    private static final HashSet<String> names = new HashSet<String>();
    private static final String COMBO_MEMORY_SUFFIX = "dicSuff_byVal";
    private String uniqueName;

    /**
     * Creates checkbox with cookie - based memory.
     * @param uniqueName - checkbox name.
     * @param emptyText - field label for this checkbox.
     */
    public RemoteComboDictionaryFilterWithMemory(String dictionaryCategory, PagingLoader loader, PagingToolBar pagingToolbar, String filterProperty, DictionaryBasedRemoteFilter.TargetFieldType type, final String uniqueName) {
        super(loader, pagingToolbar, filterProperty, type);
        if (uniqueName == null) {
            throw new IllegalArgumentException("Nazwa RemoteComboDictionaryFilterWithMemory nie może być nullem!");
        }

        if (names.contains(uniqueName)) {
            throw new IllegalArgumentException("To nie jest unikalna nazwa" + uniqueName);
        }

        this.uniqueName = uniqueName;
        this.setEmptyText(emptyText);


        this.addSelectionChangedListener(new SelectionChangedListener() {

            @Override
            public void selectionChanged(SelectionChangedEvent se) {
                Object selectedKey = se.getSelectedItem().get(DictionaryBasedRemoteFilter.ENTRYKEY);
                //   int index = getStore().indexOf(getValue());
                TolaStateManager.get().set(uniqueName + COMBO_MEMORY_SUFFIX, selectedKey);
                GWT.log("ustawiles filtr" + uniqueName + " na:" + selectedKey);
            }
        });
//        Listener(Events.SelectionChange, new Listener<SelectionChangedEvent>() {
//
//
//            public void handleEvent(SelectionChangedEvent be) {
//                if (be.getType() == Events.SelectionChange) {
//                    int index = getStore().indexOf(getValue());
//                    TolaStateManager.get().set(uniqueName + COMBO_MEMORY_SUFFIX, index);
//                    GWT.log("ustawiles filtr"+uniqueName+" na:"+index);
//                }
//            }
//        });
    }

    @Override
    public void clearSelections() {
        super.clearSelections();
        //reset wartości filtra
        TolaStateManager.get().set(uniqueName + COMBO_MEMORY_SUFFIX, -1);
    }

    public String getUniqueName() {
        return uniqueName;
    }

    @Override
    public void setStore(ListStore dListStore) {
        super.setStore(dListStore);
        Object obj = TolaStateManager.get().get(uniqueName + COMBO_MEMORY_SUFFIX);
        GWT.log("!=nulll");
        if (obj != null) {
            GWT.log("--------$$$$$$$$$$$$$$$$$$$$$$$$$$$-------------"+obj);
            GWT.log("--------$$$$$$$$$$$$$$$$$$$$$$$$$$$-------------"+obj);
            ModelData selectedModel = dListStore.findModel(DictionaryBasedRemoteFilter.ENTRYKEY, obj);
//             ModelData selectedModel2 = findModel(dListStore.getModels(), )
            GWT.log("--------$$$$$$$$$$$$$$$$$$$$$$$$$$$-------------"+selectedModel);
            if (selectedModel != null) {
                this.disableEvents(true);
                this.setValue(selectedModel);
                this.disableEvents(false);

            }
        }
    }
}