Java tutorial
/********************************************************************************* * Ephesoft is a Intelligent Document Capture and Mailroom Automation program * developed by Ephesoft, Inc. Copyright (C) 2010-2012 Ephesoft Inc. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License version 3 as published by the * Free Software Foundation with the addition of the following permission added * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK * IN WHICH THE COPYRIGHT IS OWNED BY EPHESOFT, EPHESOFT DISCLAIMS THE WARRANTY * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more * details. * * You should have received a copy of the GNU Affero General Public License along with * this program; if not, see http://www.gnu.org/licenses or write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * You can contact Ephesoft, Inc. headquarters at 111 Academy Way, * Irvine, CA 92617, USA. or at email address info@ephesoft.com. * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License version 3. * * In accordance with Section 7(b) of the GNU Affero General Public License version 3, * these Appropriate Legal Notices must retain the display of the "Ephesoft" logo. * If the display of the logo is not reasonably feasible for * technical reasons, the Appropriate Legal Notices must display the words * "Powered by Ephesoft". ********************************************************************************/ package com.ephesoft.dcma.gwt.foldermanager.client.view.widget; import java.util.Map; import java.util.Map.Entry; import com.ephesoft.dcma.gwt.core.client.i18n.LocaleDictionary; import com.ephesoft.dcma.gwt.foldermanager.client.event.RemoveAttachmentEvent; import com.ephesoft.dcma.gwt.foldermanager.shared.constant.FolderManagementConstants; import com.ephesoft.dcma.gwt.foldermanager.shared.constant.FolderManagementMessages; import com.google.gwt.core.client.GWT; import com.google.gwt.dom.client.NativeEvent; 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.shared.HandlerManager; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.user.client.Event.NativePreviewEvent; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.DialogBox; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.HasHorizontalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.ScrollPanel; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; public class DisplayDialogBox extends DialogBox { private static final String _100PX = "100px"; private static final String _200PX = "200px"; interface Binder extends UiBinder<Widget, DisplayDialogBox> { } private static final Binder BINDER = GWT.create(Binder.class); protected HandlerManager eventBus; @UiField protected VerticalPanel verticalPanel; private int totalCounter; public DisplayDialogBox(Map<Integer, String> fileIndexVsNameMap, final HandlerManager eventBus) { super(); setWidget(BINDER.createAndBindUi(this)); this.eventBus = eventBus; final VerticalPanel labelPanel = new VerticalPanel(); if (fileIndexVsNameMap != null && !fileIndexVsNameMap.isEmpty()) { for (final Entry<Integer, String> labelString : fileIndexVsNameMap.entrySet()) { totalCounter++; final HorizontalPanel horizontalPanel = new HorizontalPanel(); HTML html = new HTML(FolderManagementConstants.REMOVE_ICON_FOLDER_GIF); Label label = new Label(labelString.getValue()); horizontalPanel.add(html); horizontalPanel.add(label); horizontalPanel.setSpacing(3); labelPanel.add(horizontalPanel); html.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent arg0) { labelPanel.remove(horizontalPanel); if (--totalCounter == 0) { addNoFilesLabel(labelPanel); } eventBus.fireEvent(new RemoveAttachmentEvent(labelString.getKey())); } }); } } else { addNoFilesLabel(labelPanel); } addStyleName(FolderManagementConstants.CSS_CONFIGURABLE_DIALOG_BOX); Button closeButton = new Button(LocaleDictionary.get().getConstantValue(FolderManagementConstants.CLOSE), new ClickHandler() { @Override public void onClick(ClickEvent arg0) { hide(); } }); HorizontalPanel horizontalButtonPanel = new HorizontalPanel(); horizontalButtonPanel.add(closeButton); horizontalButtonPanel.setCellHorizontalAlignment(closeButton, HasHorizontalAlignment.ALIGN_CENTER); ScrollPanel scrollPanel = new ScrollPanel(); scrollPanel.add(labelPanel); scrollPanel.setWidth(_200PX); scrollPanel.setHeight(_200PX); scrollPanel.addStyleName(FolderManagementConstants.BORDER); setHeight(_100PX); verticalPanel.add(scrollPanel); verticalPanel.add(horizontalButtonPanel); verticalPanel.setCellHorizontalAlignment(horizontalButtonPanel, HasHorizontalAlignment.ALIGN_CENTER); setModal(true); setVisible(true); show(); center(); closeButton.setFocus(true); } private void addNoFilesLabel(final VerticalPanel labelPanel) { labelPanel .add(new Label(LocaleDictionary.get().getMessageValue(FolderManagementMessages.NO_FILES_ATTACHED))); } @Override protected void onPreviewNativeEvent(NativePreviewEvent preview) { super.onPreviewNativeEvent(preview); NativeEvent evt = preview.getNativeEvent(); if (evt.getType().equals("keydown") && evt.getKeyCode() == KeyCodes.KEY_ESCAPE) { hide(); } } }