Java tutorial
/* * Copyright 2000-2018 Vaadin Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.vaadin.shared.ui.grid; import java.util.ArrayList; import java.util.List; import com.vaadin.shared.annotations.DelegateToWidget; import com.vaadin.shared.data.sort.SortDirection; import com.vaadin.shared.ui.AbstractSingleSelectState; import com.vaadin.shared.ui.ContentMode; /** * The shared state for the {@link com.vaadin.ui.Grid} component. * * @since 8.0 * @author Vaadin Ltd */ public class GridState extends AbstractSingleSelectState { /** * The default value for height-by-rows for both GWT widgets * {@link com.vaadin.client.widgets.Grid} and * {@link com.vaadin.client.widgets.Escalator Escalator}. */ public static final double DEFAULT_HEIGHT_BY_ROWS = 10.0d; /** * The key in which a row's data can be found. * * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_DATA = "d"; /** * The key in which a row's own key can be found. * * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_ROWKEY = "k"; /** * The key in which a row's generated style can be found. * * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_ROWSTYLE = "rs"; /** * The key in which a generated styles for a row's cells can be found. * * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_CELLSTYLES = "cs"; /** * The key in which a row's description can be found. * * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_ROWDESCRIPTION = "rd"; /** * The key in which a cell's description can be found. * * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_CELLDESCRIPTION = "cd"; /** * The key that tells whether details are visible for the row. * * @see com.vaadin.ui.Grid#setDetailsGenerator(com.vaadin.ui.components.grid.DetailsGenerator) * @see com.vaadin.ui.Grid#setDetailsVisible(Object, boolean) * @see com.vaadin.shared.data.DataProviderRpc#setRowData(int, * elemental.json.JsonArray) */ public static final String JSONKEY_DETAILS_VISIBLE = "dv"; /** * The key that tells whether row is selected or not. */ public static final String JSONKEY_SELECTED = "s"; { primaryStyleName = "v-grid"; } /** * Column resize mode in grid. * * @since 7.7.5 */ public ColumnResizeMode columnResizeMode = ColumnResizeMode.ANIMATED; /** The state of the header section. */ public SectionState header = new SectionState(); /** The state of the footer section. */ public SectionState footer = new SectionState(); /** * Column order in grid. */ public List<String> columnOrder = new ArrayList<>(); /** The number of frozen columns. */ @DelegateToWidget public int frozenColumnCount = 0; /** The height of the Grid in terms of body rows. */ @DelegateToWidget public double heightByRows = DEFAULT_HEIGHT_BY_ROWS; /** The mode by which Grid defines its height. */ @DelegateToWidget public HeightMode heightMode = HeightMode.CSS; /** Keys of the currently sorted columns. */ public String[] sortColumns = new String[0]; /** Directions for each sorted column. */ public SortDirection[] sortDirs = new SortDirection[0]; /** * Whether rows and/or cells have generated descriptions (tooltips). */ public boolean hasDescriptions; /** Whether the columns can be reordered. */ @DelegateToWidget public boolean columnReorderingAllowed; /** * Explicit body row height in pixels for grid rows, or -1 to calculate * automatically based on the theme. * * @since 8.2 */ public double bodyRowHeight = -1; /** * Explicit body row height in pixels for grid rows, or -1 to calculate * automatically based on the theme. * * @since 8.2 */ public double headerRowHeight = -1; /** * Explicit body row height in pixels for grid rows, or -1 to calculate * automatically based on the theme. * * @since 8.2 */ public double footerRowHeight = -1; /** * The content mode for row descriptions. * * @since 8.2 */ public ContentMode rowDescriptionContentMode; }