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.admin.bm.client.view.scanner; import java.util.List; import java.util.Map; import com.ephesoft.dcma.core.common.DataType; import com.ephesoft.dcma.gwt.admin.bm.client.AdminConstants; import com.ephesoft.dcma.gwt.admin.bm.client.i18n.BatchClassManagementConstants; import com.ephesoft.dcma.gwt.admin.bm.client.presenter.scanner.EditScannerPresenter; import com.ephesoft.dcma.gwt.core.client.View; import com.ephesoft.dcma.gwt.core.client.validator.EmptyStringValidator; import com.ephesoft.dcma.gwt.core.client.validator.ValidatableWidget; import com.ephesoft.dcma.gwt.core.client.validator.Validator; import com.ephesoft.dcma.gwt.core.client.validator.ValidatorFactory; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.logical.shared.ValueChangeEvent; import com.google.gwt.event.logical.shared.ValueChangeHandler; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.uibinder.client.UiHandler; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.HasHorizontalAlignment; import com.google.gwt.user.client.ui.HasVerticalAlignment; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.ListBox; import com.google.gwt.user.client.ui.ScrollPanel; import com.google.gwt.user.client.ui.TextBox; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; /** * This class provides functionality to edit scanner view. * * @author Ephesoft * @version 1.0 * @see com.ephesoft.dcma.gwt.core.client.View */ public class EditScannerView extends View<EditScannerPresenter> { /** * UI binder. */ interface Binder extends UiBinder<VerticalPanel, EditScannerView> { } /** * flexEditTable FlexTable. */ @UiField protected FlexTable flexEditTable; /** * dataTable FlexTable. */ private FlexTable dataTable; /** * saveButton Button. */ @UiField protected Button saveButton; /** * cancelButton Button. */ @UiField protected Button cancelButton; /** * scrollPanel ScrollPanel. */ @UiField protected ScrollPanel scrollPanel; /** * editScannerViewPanel VerticalPanel. */ @UiField protected VerticalPanel editScannerViewPanel; /** * Instantiates a class via deferred binding. */ private static final Binder BINDER = GWT.create(Binder.class); /** * To add text box. * * @param row int * @param value String * @param dataType String * @param readOnly boolean * @param isMandatory boolean * @param htmlID String * @param elementMap Map<String, Widget> * @return ValidatableWidget<TextBox> */ public ValidatableWidget<TextBox> addTextBox(int row, String value, String dataType, boolean readOnly, boolean isMandatory, String htmlID, Map<String, Widget> elementMap) { TextBox fieldValue = new TextBox(); elementMap.put(htmlID, fieldValue); fieldValue.setReadOnly(readOnly); fieldValue.setText(value); scrollPanel.setStyleName(AdminConstants.SCROLL_PANEL_HEIGHT); final ValidatableWidget<TextBox> validatableTextBox = new ValidatableWidget<TextBox>(fieldValue); if (!readOnly && dataType != null && DataType.getValuesAsListString().contains(dataType.toLowerCase())) { validatableTextBox.addValidator((Validator) ValidatorFactory .getValidator(DataType.getDataType(dataType.toUpperCase()), fieldValue)); validatableTextBox.getWidget().addValueChangeHandler(new ValueChangeHandler<String>() { @Override public void onValueChange(ValueChangeEvent<String> event) { validatableTextBox.toggleValidDateBox(); } }); validatableTextBox.toggleValidDateBox(); } if (isMandatory) { validatableTextBox.addValidator(new EmptyStringValidator(fieldValue)); validatableTextBox.toggleValidDateBox(); } return validatableTextBox; } /** * To add Drop Down. * * @param row int * @param sampleValueList List<String> * @param selectedValue String * @param htmlID String * @param elementMap Map<String, Widget> * @return ListBox */ public ListBox addDropDown(int row, List<String> sampleValueList, String selectedValue, String htmlID, Map<String, Widget> elementMap) { ListBox fieldValue = new ListBox(); elementMap.put(htmlID, fieldValue); fieldValue.getElement().setId(htmlID); fieldValue.setVisibleItemCount(1); for (String item : sampleValueList) { fieldValue.addItem(item); } if (selectedValue == null) { fieldValue.setItemSelected(0, true); } else { fieldValue.setItemSelected(sampleValueList.indexOf(selectedValue), true); } return fieldValue; } /** * Constructor. */ public EditScannerView() { super(); initWidget(BINDER.createAndBindUi(this)); } /** * To set the view. */ public void setView() { dataTable = new FlexTable(); dataTable.setWidth("100%"); flexEditTable.setWidget(0, 0, dataTable); flexEditTable.getCellFormatter().setVerticalAlignment(0, 0, HasVerticalAlignment.ALIGN_TOP); saveButton.setText(AdminConstants.OK_BUTTON); cancelButton.setText(AdminConstants.CANCEL_BUTTON); saveButton.setHeight(AdminConstants.BUTTON_HEIGHT); cancelButton.setHeight(AdminConstants.BUTTON_HEIGHT); editScannerViewPanel.setSpacing(BatchClassManagementConstants.FIVE); } /** * To add Widget. * * @param row int * @param column int * @param widget Widget */ public void addWidget(int row, int column, Widget widget) { dataTable.setWidget(row, column, widget); } /** * To add Widget Star. * * @param row int * @param column int */ public void addWidgetStar(int row, int column) { Label star = new Label(AdminConstants.STAR); dataTable.setWidget(row, column, star); star.setStyleName(BatchClassManagementConstants.FONT_RED); } /** * To perform operations on Save Click. * * @param clickEvent ClickEvent */ @UiHandler("saveButton") public void onSaveClicked(ClickEvent clickEvent) { presenter.onSave(); } /** * To perform operations on cancel Click. * * @param clickEvent ClickEvent */ @UiHandler("cancelButton") public void onCancelClicked(ClickEvent clickEvent) { presenter.onCancel(); } /** * To get data table. * * @return FlexTable */ public FlexTable getDataTable() { return dataTable; } /** * To set data table. * * @param dataTable FlexTable */ public void setDataTable(FlexTable dataTable) { this.dataTable = dataTable; } /** * To set flex Edit Table. * * @param flexEditTable FlexTable */ public void setflexEditTable(FlexTable flexEditTable) { this.flexEditTable = flexEditTable; } /** * To format Row. * * @param row int */ public void formatRow(int row) { dataTable.getCellFormatter().setWidth(row, 0, "40%"); dataTable.getFlexCellFormatter().setAlignment(row, 0, HasHorizontalAlignment.ALIGN_RIGHT, HasVerticalAlignment.ALIGN_MIDDLE); dataTable.getCellFormatter().setWidth(row, 1, "1%"); dataTable.getCellFormatter().setWidth(row, 2, "70px"); dataTable.getCellFormatter().setWidth(row, BatchClassManagementConstants.THREE, "58%"); dataTable.getFlexCellFormatter().setAlignment(row, BatchClassManagementConstants.THREE, HasHorizontalAlignment.ALIGN_LEFT, HasVerticalAlignment.ALIGN_BOTTOM); dataTable.getFlexCellFormatter().addStyleName(row, BatchClassManagementConstants.THREE, "sampleData"); dataTable.getFlexCellFormatter().addStyleName(row, 0, "bold_text"); } }