001/* 002 * This library is part of OpenCms - 003 * the Open Source Content Management System 004 * 005 * Copyright (C) Alkacon Software (http://www.alkacon.com) 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * For further information about Alkacon Software, please see the 018 * company website: http://www.alkacon.com 019 * 020 * For further information about OpenCms, please see the 021 * project website: http://www.opencms.org 022 * 023 * You should have received a copy of the GNU Lesser General Public 024 * License along with this library; if not, write to the Free Software 025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 026 */ 027 028package org.opencms.ade.sitemap.client.alias.simple; 029 030import org.opencms.ade.sitemap.client.alias.A_CmsAliasTableColumn; 031import org.opencms.ade.sitemap.client.alias.CmsAliasMessages; 032import org.opencms.ade.sitemap.client.alias.CmsCellTableUtil; 033import org.opencms.gwt.client.ui.css.I_CmsCellTableResources; 034import org.opencms.gwt.shared.alias.CmsAliasTableRow; 035 036import java.util.Comparator; 037 038import com.google.gwt.cell.client.SafeHtmlCell; 039import com.google.gwt.dom.client.Style.Unit; 040import com.google.gwt.safehtml.shared.SafeHtml; 041import com.google.gwt.user.cellview.client.ColumnSortEvent.ListHandler; 042 043/** 044 * The class for the column of the alias editor table which is used to display validation errors.<p> 045 */ 046public class CmsAliasErrorColumn extends A_CmsAliasTableColumn<CmsAliasTableRow, SafeHtml, CmsAliasCellTable> { 047 048 /** 049 * Creates a new instance.<p> 050 */ 051 public CmsAliasErrorColumn() { 052 053 super(new SafeHtmlCell()); 054 setSortable(true); 055 } 056 057 /** 058 * Gets the comparator which should be used for this column.<p> 059 * 060 * @return the comparator used for this column 061 */ 062 public static Comparator<CmsAliasTableRow> getComparator() { 063 064 return new Comparator<CmsAliasTableRow>() { 065 066 public int compare(CmsAliasTableRow o1, CmsAliasTableRow o2) { 067 068 String err1 = getValueInternal(o1); 069 String err2 = getValueInternal(o2); 070 if ((err1 == null) && (err2 == null)) { 071 return 0; 072 } 073 if (err1 == null) { 074 return -1; 075 } 076 if (err2 == null) { 077 return 1; 078 } 079 return 0; 080 } 081 }; 082 } 083 084 /** 085 * Static helper method to get the value to display in the column from a row.<p> 086 * 087 * @param row the row 088 * 089 * @return the value to display 090 */ 091 protected static String getValueInternal(CmsAliasTableRow row) { 092 093 if (row.getAliasError() != null) { 094 return row.getAliasError(); 095 } 096 if (row.getPathError() != null) { 097 return row.getPathError(); 098 } 099 return null; 100 } 101 102 /** 103 * @see org.opencms.ade.sitemap.client.alias.A_CmsAliasTableColumn#addToTable(com.google.gwt.user.cellview.client.CellTable) 104 */ 105 @Override 106 public void addToTable(CmsAliasCellTable table) { 107 108 table.addColumn(this, CmsAliasMessages.messageColumnError()); 109 table.setColumnWidth(this, 50, Unit.PX); 110 } 111 112 /** 113 * @see com.google.gwt.user.cellview.client.Column#getCellStyleNames(com.google.gwt.cell.client.Cell.Context, java.lang.Object) 114 */ 115 @Override 116 public String getCellStyleNames(com.google.gwt.cell.client.Cell.Context context, CmsAliasTableRow object) { 117 118 if ((object.getAliasError() != null) || (object.getPathError() != null)) { 119 return super.getCellStyleNames(context, object) 120 + " " 121 + I_CmsCellTableResources.INSTANCE.cellTableStyle().cmsCellError(); 122 } else { 123 return super.getCellStyleNames(context, object); 124 } 125 } 126 127 /** 128 * @see com.google.gwt.user.cellview.client.Column#getValue(java.lang.Object) 129 */ 130 @Override 131 public SafeHtml getValue(CmsAliasTableRow row) { 132 133 String internalValue = getValueInternal(row); 134 return CmsCellTableUtil.formatErrorHtml(internalValue); 135 } 136 137 /** 138 * @see org.opencms.ade.sitemap.client.alias.A_CmsAliasTableColumn#initSortHandler(com.google.gwt.user.cellview.client.ColumnSortEvent.ListHandler) 139 */ 140 @Override 141 public void initSortHandler(ListHandler<CmsAliasTableRow> sortHandler) { 142 143 sortHandler.setComparator(this, getComparator()); 144 } 145 146}