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.core.client.view; 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.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.Frame; import com.google.gwt.user.client.ui.HasHorizontalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; public class ExternalAppDialogBox extends DialogBox { private static final String CSS_CONFIGURABLE_DIALOG_BOX = "configurable-DialogBox"; interface Binder extends UiBinder<Widget, ExternalAppDialogBox> { } private static final Binder BINDER = GWT.create(Binder.class); private DialogBoxListener listener; public interface DialogBoxListener { public void onOkClick(); public void onCloseClick(); } @UiField VerticalPanel verticalPanel; private Frame frame; private Button okButton; private Button closeButton; public ExternalAppDialogBox(String url, int xDimension, int yDimension) { this(url, xDimension, yDimension, false, false, false, true); } public ExternalAppDialogBox(String url, int xDimension, int yDimension, boolean showOkButton, boolean showCloseButton, boolean center) { this(url, xDimension, yDimension, showOkButton, showCloseButton, center, true); } public ExternalAppDialogBox(String url, int xDimension, int yDimension, boolean showOkButton, boolean showCloseButton, boolean center, boolean isVisible) { setWidget(BINDER.createAndBindUi(this)); addStyleName(CSS_CONFIGURABLE_DIALOG_BOX); setWidth(xDimension + "px"); setHeight(yDimension + "px"); frame = new Frame(url); frame.setWidth(xDimension + "px"); frame.setHeight(yDimension + "px"); okButton = new Button("Ok", new ClickHandler() { @Override public void onClick(ClickEvent arg0) { listener.onOkClick(); hide(); } }); okButton.setTitle("Ctrl+a"); closeButton = new Button("Close", new ClickHandler() { @Override public void onClick(ClickEvent arg0) { listener.onCloseClick(); hide(); } }); closeButton.setTitle("Ctrl+z"); okButton.getElement().setAttribute("id", "okButtonElement"); closeButton.getElement().setAttribute("id", "closeButtonElement"); okButton.setVisible(showOkButton); closeButton.setVisible(showCloseButton); HorizontalPanel horizontalButtonPanel = new HorizontalPanel(); horizontalButtonPanel.setSpacing(5); if (showOkButton) { horizontalButtonPanel.add(okButton); horizontalButtonPanel.setCellHorizontalAlignment(okButton, HasHorizontalAlignment.ALIGN_CENTER); } if (showCloseButton) { horizontalButtonPanel.add(closeButton); horizontalButtonPanel.setCellHorizontalAlignment(closeButton, HasHorizontalAlignment.ALIGN_CENTER); } verticalPanel.add(frame); verticalPanel.setCellHorizontalAlignment(frame, HasHorizontalAlignment.ALIGN_CENTER); verticalPanel.setCellHorizontalAlignment(horizontalButtonPanel, HasHorizontalAlignment.ALIGN_CENTER); verticalPanel.add(horizontalButtonPanel); setModal(true); setVisible(true); if (center) { center(); } if (isVisible) { show(); } } @Override protected void onPreviewNativeEvent(NativePreviewEvent preview) { super.onPreviewNativeEvent(preview); NativeEvent evt = preview.getNativeEvent(); if (evt.getCtrlKey()) { switch (evt.getKeyCode()) { case 'a': case 'A': evt.preventDefault(); okButton.click(); case 'z': case 'Z': evt.preventDefault(); closeButton.click(); break; } } } public void addDialogBoxListener(DialogBoxListener listener) { this.listener = listener; } public void setDialogTitle(String caption) { setText(caption); } public Frame getFrame() { return frame; } }