org.drools.guvnor.client.widgets.query.QuickFindWidget.java Source code

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Here is the source code for org.drools.guvnor.client.widgets.query.QuickFindWidget.java

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/*
 * Copyright 2011 JBoss Inc
 * 
 * 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.guvnor.client.widgets.query;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.ui.*;
import com.google.gwt.user.client.ui.SuggestOracle.Callback;
import com.google.gwt.user.client.ui.SuggestOracle.Request;
import org.drools.guvnor.client.common.FormStyleLayout;
import org.drools.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.common.PrettyFormLayout;
import org.drools.guvnor.client.explorer.ClientFactory;
import org.drools.guvnor.client.messages.ConstantsCore;
import org.drools.guvnor.client.resources.ImagesCore;
import org.drools.guvnor.client.rpc.*;
import org.drools.guvnor.client.widgets.tables.QueryPagedTable;

import java.util.ArrayList;
import java.util.List;

/**
 * This is for quickly finding an asset by name. Partial completion is allowed.
 * This also uses some auto completion magic.
 */
public class QuickFindWidget extends Composite {

    private static ConstantsCore constants = GWT.create(ConstantsCore.class);
    private static ImagesCore images = GWT.create(ImagesCore.class);

    private SuggestBox searchBox;
    private CheckBox archiveBox;
    private CheckBox caseSensitiveBox;

    public QuickFindWidget(final ClientFactory clientFactory) {

        VerticalPanel container = new VerticalPanel();
        VerticalPanel criteria = new VerticalPanel();

        Image image = new Image(images.systemSearch());
        image.setAltText(constants.SystemSearch());
        FormStyleLayout layout = new FormStyleLayout(image, "");

        searchBox = new SuggestBox(new SuggestOracle() {
            public void requestSuggestions(Request r, Callback cb) {
                loadShortList(r.getQuery(), archiveBox.getValue(), caseSensitiveBox.getValue(), r, cb);

            }
        });

        HorizontalPanel srch = new HorizontalPanel();

        final SimplePanel resultsP = new SimplePanel();
        final ClickHandler cl = new ClickHandler() {
            public void onClick(ClickEvent event) {
                resultsP.clear();
                QueryPagedTable table = new QueryPagedTable(searchBox.getValue(), archiveBox.getValue(),
                        caseSensitiveBox.getValue(), clientFactory);
                resultsP.add(table);
            }
        };
        searchBox.addKeyUpHandler(new KeyUpHandler() {
            public void onKeyUp(KeyUpEvent event) {
                if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
                    cl.onClick(null);
                }
            }
        });
        srch.add(searchBox);
        layout.addAttribute(constants.FindItemsWithANameMatching(), srch);

        archiveBox = new CheckBox();
        archiveBox.setValue(false);
        layout.addAttribute(constants.IncludeArchivedAssetsInResults(), archiveBox);

        caseSensitiveBox = new CheckBox();
        caseSensitiveBox.setValue(false);
        layout.addAttribute(constants.IsSearchCaseSensitive(), caseSensitiveBox);

        Button go = new Button(constants.Search());
        go.addClickHandler(cl);
        layout.addAttribute("", go);

        HorizontalPanel searchTitle = new HorizontalPanel();
        searchTitle.add(new Image(images.information()));
        searchTitle.add(new Label(constants.EnterSearchString()));
        FlexTable listPanel = new FlexTable();
        listPanel.setWidget(0, 0, searchTitle);

        PrettyFormLayout pfl = new PrettyFormLayout();
        pfl.startSection();
        pfl.addRow(listPanel);
        pfl.endSection();

        criteria.add(pfl);
        criteria.add(layout);
        container.add(criteria);
        container.add(resultsP);

        initWidget(container);
    }

    /**
     * This will load a list of items as they are typing.
     */
    protected void loadShortList(String searchText, Boolean searchArchived, Boolean isCaseSensitive,
            final Request r, final Callback cb) {
        final QueryPageRequest queryRequest = new QueryPageRequest(searchText, searchArchived, isCaseSensitive, 0,
                5);
        AssetServiceAsync assetService = GWT.create(AssetService.class);
        assetService.quickFindAsset(queryRequest, new GenericCallback<PageResponse<QueryPageRow>>() {

            public void onSuccess(PageResponse<QueryPageRow> result) {
                List<SuggestOracle.Suggestion> items = new ArrayList<SuggestOracle.Suggestion>();
                for (QueryPageRow row : result.getPageRowList()) {
                    final String name = row.getName();
                    items.add(new SuggestOracle.Suggestion() {

                        public String getDisplayString() {
                            return name;
                        }

                        public String getReplacementString() {
                            return name;
                        }

                    });
                }
                cb.onSuggestionsReady(r, new SuggestOracle.Response(items));
            }

        });

    }

}