Java tutorial
/*! * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * 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 Lesser General Public License for more details. * * Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved. */ package org.pentaho.gwt.widgets.client.dialogs; import com.google.gwt.user.client.DOM; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.FocusWidget; import com.google.gwt.user.client.ui.HasHorizontalAlignment; import com.google.gwt.user.client.ui.HasVerticalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.KeyboardListener; import com.google.gwt.user.client.ui.Widget; @SuppressWarnings("deprecation") public class PromptDialogBox extends DialogBox { IDialogCallback callback; IDialogValidatorCallback validatorCallback; Widget content; final FlexTable dialogContent = new FlexTable(); protected Button okButton = null; protected Button notOkButton = null; protected Button cancelButton = null; public PromptDialogBox(String title, String okText, String notOkText, String cancelText, boolean autoHide, boolean modal) { super(autoHide, modal); setText(title); okButton = new Button(okText); okButton.setStylePrimaryName("pentaho-button"); okButton.getElement().setAttribute("id", "okButton"); //$NON-NLS-1$ //$NON-NLS-2$ okButton.addClickListener(new ClickListener() { public void onClick(Widget sender) { onOk(); } }); final HorizontalPanel dialogButtonPanel = new HorizontalPanel(); dialogButtonPanel.setSpacing(0); dialogButtonPanel.add(okButton); if (notOkText != null) { notOkButton = new Button(notOkText); notOkButton.setStylePrimaryName("pentaho-button"); notOkButton.getElement().setAttribute("id", "notOkButton"); //$NON-NLS-1$ //$NON-NLS-2$ notOkButton.addClickListener(new ClickListener() { public void onClick(Widget sender) { onNotOk(); } }); dialogButtonPanel.add(notOkButton); } if (cancelText != null) { cancelButton = new Button(cancelText); cancelButton.setStylePrimaryName("pentaho-button"); cancelButton.getElement().setAttribute("id", "cancelButton"); //$NON-NLS-1$ //$NON-NLS-2$ cancelButton.addClickListener(new ClickListener() { public void onClick(Widget sender) { onCancel(); } }); dialogButtonPanel.add(cancelButton); } HorizontalPanel dialogButtonPanelWrapper = new HorizontalPanel(); if (okText != null && cancelText != null) { dialogButtonPanelWrapper.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT); } else { dialogButtonPanelWrapper.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER); } dialogButtonPanelWrapper.setStyleName("button-panel"); //$NON-NLS-1$ dialogButtonPanelWrapper.setWidth("100%"); //$NON-NLS-1$ dialogButtonPanelWrapper.add(dialogButtonPanel); if (content instanceof FocusWidget) { setFocusWidget((FocusWidget) content); } dialogContent.setCellPadding(0); dialogContent.setCellSpacing(0); // add button panel dialogContent.setWidget(1, 0, dialogButtonPanelWrapper); dialogContent.getCellFormatter().setVerticalAlignment(1, 0, HasVerticalAlignment.ALIGN_BOTTOM); // dialogContent.getFlexCellFormatter().setColSpan(2, 0, 2); dialogContent.setWidth("100%"); //$NON-NLS-1$ setWidget(dialogContent); } public PromptDialogBox(String title, String okText, String notOkText, String cancelText, boolean autoHide, boolean modal, Widget content) { this(title, okText, notOkText, cancelText, autoHide, modal); setContent(content); } public PromptDialogBox(String title, String okText, String cancelText, boolean autoHide, boolean modal) { this(title, okText, null, cancelText, autoHide, modal); } public PromptDialogBox(String title, String okText, String cancelText, boolean autoHide, boolean modal, Widget content) { this(title, okText, cancelText, autoHide, modal); setContent(content); } public boolean onKeyDownPreview(char key, int modifiers) { // Use the popup's key preview hooks to close the dialog when either // enter or escape is pressed. switch (key) { case KeyboardListener.KEY_ENTER: onOk(); break; case KeyboardListener.KEY_ESCAPE: onCancel(); break; } return true; } public IDialogCallback getCallback() { return callback; } public void setContent(Widget content) { this.content = content; if (content != null) { dialogContent.getFlexCellFormatter().setVerticalAlignment(0, 0, HasVerticalAlignment.ALIGN_MIDDLE); dialogContent.getFlexCellFormatter().setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_CENTER); dialogContent.setWidget(0, 0, content); dialogContent.getCellFormatter().setStyleName(0, 0, "dialog-content"); DOM.setStyleAttribute(dialogContent.getCellFormatter().getElement(0, 0), "padding", //$NON-NLS-1$ "5px 10px 10px 10px"); //$NON-NLS-1$ content.setHeight("100%"); //$NON-NLS-1$ content.setWidth("100%"); //$NON-NLS-1$ } } public Widget getContent() { return content; } public void setCallback(IDialogCallback callback) { this.callback = callback; } public IDialogValidatorCallback getValidatorCallback() { return validatorCallback; } public void setValidatorCallback(IDialogValidatorCallback validatorCallback) { this.validatorCallback = validatorCallback; } protected void onOk() { if (validatorCallback == null || (validatorCallback != null && validatorCallback.validate())) { try { if (callback != null) { callback.okPressed(); } } catch (Throwable dontCare) { //ignore } hide(); } } protected void onNotOk() { try { if (callback instanceof IThreeButtonDialogCallback) { ((IThreeButtonDialogCallback) callback).notOkPressed(); } } catch (Throwable dontCare) { //ignore } hide(); } protected void onCancel() { try { if (callback != null) { callback.cancelPressed(); } } catch (Throwable dontCare) { //ignore } hide(); } }