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

Introduction

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

Source

/*
 * 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.core.client.GWT;
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.IconTO;

public class IconOverviewGrid extends VerticalPanel {

    private List<IconTO> icons = new ArrayList<IconTO>();

    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 IconOverviewGrid(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 = MessageQueryTO.NEW_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, "Id");
        grid.setText(LABEL_ROW, 1, "Icon");
        grid.setText(LABEL_ROW, 2, "Name");

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

            private StatusItem si = null;

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

            public void onSuccess(List<IconTO> result) {

                icons = result;
                int row = updateGrid(result);
                si.done("found " + Integer.toString(row - FIRST_PAYLOAD_ROW) + " icons.", 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("icon search");
                    callback.setStatusItem(si);
                    mailxelService.searchIcons(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) {
                    IconTO icon = icons.get(row - FIRST_PAYLOAD_ROW);
                }
            }

        });

        add(grid);
    }

    private int updateGrid(final List<IconTO> icons) {
        // 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 (IconTO iconTO : icons) {
            grid.setText(row, 0, Integer.toString(iconTO.id));
            Image icon = new Image();
            String url = GWT.getModuleBaseURL() + "mailxel?img=" + Integer.toString(iconTO.id);
            icon.setUrl(url);
            grid.setWidget(row, 1, icon);
            grid.setText(row, 2, iconTO.name);
            row++;
        }

        return row;
    }
}