ch.heftix.mailxel.client.MessageQueryOverviewGrid.java Source code

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Here is the source code for ch.heftix.mailxel.client.MessageQueryOverviewGrid.java

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/*
 * Copyright (C) 2008-2011 by Simon Hefti. All rights reserved.
 * Licensed under the EPL 1.0 (Eclipse Public License).
 * (see http://www.eclipse.org/legal/epl-v10.html)
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
 * 
 * Initial Developer: Simon Hefti
 */
package ch.heftix.mailxel.client;

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

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.HTMLTable.Cell;

import ch.heftix.mailxel.client.to.Constants;
import ch.heftix.mailxel.client.to.MessageQueryTO;

public class MessageQueryOverviewGrid extends VerticalPanel {

    private List<MessageQueryTO> queries = new ArrayList<MessageQueryTO>();

    public static final int LABEL_ROW = 0;
    public static final int HEADER_ROW_1 = 1;
    public static final int HEADER_ROW_2 = 2;
    public static final int FIRST_PAYLOAD_ROW = 3;

    final FlexTable grid = new FlexTable();

    public MessageQueryOverviewGrid(final MailServiceAsync mailxelService, final MailxelPanel mailxelPanel) {

        HorizontalPanel toolbar = new HorizontalPanel();

        Image addQuery = new Image("img/plus.png");
        addQuery.setTitle("New Query");
        addQuery.setStylePrimaryName("mailxel-toolbar-item");
        addQuery.addClickHandler(new ClickHandler() {

            public void onClick(ClickEvent sender) {
                MessageQueryTO mqTO = new MessageQueryTO();
                mqTO.id = Constants.UNDEFINED_ID;
                mqTO.name = "new query";
                queries.add(mqTO);
                updateGrid(queries);
                MessageQueryEditGrid dg = new MessageQueryEditGrid(mailxelService, mailxelPanel, mqTO);
                mailxelPanel.addTab(dg, "new message query");
            }
        });
        toolbar.add(addQuery);

        add(toolbar);

        final TextBox query = new TextBox();
        query.setWidth("400px");

        // header
        grid.setText(LABEL_ROW, 0, "Count");
        grid.setText(LABEL_ROW, 1, "Short");
        grid.setText(LABEL_ROW, 2, "Query Name");

        final MailxelAsyncCallback<List<MessageQueryTO>> callback = new MailxelAsyncCallback<List<MessageQueryTO>>() {

            private StatusItem si = null;

            public void setStatusItem(StatusItem statusItem) {
                this.si = statusItem;
            }

            public void onSuccess(List<MessageQueryTO> result) {

                queries = result;
                int row = updateGrid(result);
                si.done("found " + Integer.toString(row - FIRST_PAYLOAD_ROW) + " queries.", 0);
            }

            public void onFailure(Throwable caught) {
                si.error(caught);
            }
        };

        final KeyPressHandler kbla = new KeyPressHandler() {

            public void onKeyPress(KeyPressEvent event) {
                if (KeyCodes.KEY_ENTER == event.getCharCode()) {
                    String snTxt = UIUtil.trimNull(query.getText());

                    StatusItem si = mailxelPanel.statusStart("query search");
                    callback.setStatusItem(si);
                    mailxelService.searchQueries(null, snTxt, callback);

                }
            }
        };

        query.addKeyPressHandler(kbla);

        grid.setWidget(HEADER_ROW_1, 2, query);

        grid.addClickHandler(new ClickHandler() {

            public void onClick(ClickEvent clickEvent) {
                Cell cell = grid.getCellForEvent(clickEvent);
                final int row = cell.getRowIndex();
                // row >= FIRST_PAYLOAD_ROW: skip header
                if (row >= FIRST_PAYLOAD_ROW) {
                    MessageQueryTO query = queries.get(row - FIRST_PAYLOAD_ROW);
                    final MessageQueryEditGrid detailGrid = new MessageQueryEditGrid(mailxelService, mailxelPanel,
                            query);
                    mailxelPanel.addTab(detailGrid, "mquery: " + query.shortname);
                }
            }

        });

        add(grid);
    }

    private int updateGrid(final List<MessageQueryTO> queries) {
        // clean all except header
        int rows = grid.getRowCount();
        for (int i = rows - 1; i >= FIRST_PAYLOAD_ROW; i--) {
            grid.removeRow(i);
        }

        int row = FIRST_PAYLOAD_ROW;
        for (MessageQueryTO mqTO : queries) {
            grid.setText(row, 0, Integer.toString(mqTO.count));
            grid.setText(row, 1, mqTO.shortname);
            grid.setText(row, 2, mqTO.name);
            row++;
        }

        return row;
    }
}