001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *   http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.myfaces.tobago.model;
021    
022    import org.apache.commons.logging.Log;
023    import org.apache.commons.logging.LogFactory;
024    import org.apache.commons.lang.StringUtils;
025    
026    import org.apache.myfaces.tobago.event.SortActionEvent;
027    
028    import javax.faces.component.UIColumn;
029    import java.io.Serializable;
030    import java.util.ArrayList;
031    import java.util.List;
032    
033    // TODO find a better solution for this
034    public class SheetState implements Serializable {
035      private static final long serialVersionUID = 7765536344426661777L;
036      private static final Log LOG = LogFactory.getLog(SheetState.class);
037      public static final String SEPARATOR = ",";
038    
039      private int first = -1;
040      private String sortedColumnId;
041      private boolean ascending;
042      private String columnWidths;
043      private List<Integer> selectedRows;
044      private Integer[] scrollPosition;
045    
046      public SheetState() {
047        resetSelected();
048      }
049    
050    
051      public void resetSelected() {
052        selectedRows = new ArrayList<Integer>();
053      }
054    
055      public List<Integer> getSelectedRows() {
056        return selectedRows;
057      }
058    
059      public void setSelectedRows(List<Integer> selectedRows) {
060        this.selectedRows = selectedRows;
061      }
062    
063      public String getSortedColumnId() {
064        return sortedColumnId;
065      }
066    
067      public void setSortedColumnId(String sortedColumnId) {
068        this.sortedColumnId = sortedColumnId;
069      }
070    
071      public boolean isAscending() {
072        return ascending;
073      }
074    
075      public void setAscending(boolean ascending) {
076        this.ascending = ascending;
077      }
078    
079      public String getColumnWidths() {
080        return columnWidths;
081      }
082    
083      public void setColumnWidths(String columnWidths) {
084        this.columnWidths = columnWidths;
085      }
086    
087      public int getFirst() {
088        return first;
089      }
090    
091      public void setFirst(int first) {
092        this.first = first;
093      }
094    
095      public void updateSortState(SortActionEvent sortEvent) {
096    
097        UIColumn actualColumn = sortEvent.getColumn();
098    
099        if (actualColumn.getId().equals(sortedColumnId)) {
100          ascending = !ascending;
101        } else {
102          ascending = true;
103          sortedColumnId = actualColumn.getId();
104        }
105      }
106    
107      public Integer[] getScrollPosition() {
108        return scrollPosition;
109      }
110    
111      public void setScrollPosition(Integer[] scrollPosition) {
112        this.scrollPosition = scrollPosition;
113      }
114    
115      public static Integer[] parseScrollPosition(String value) {
116        Integer[] position = null;
117        if (!StringUtils.isBlank(value)) {
118          int sep = value.indexOf(";");
119          if (LOG.isInfoEnabled()) {
120            LOG.info("value = \"" + value + "\"  sep = " + sep + "");
121          }
122          if (sep == -1) {
123            throw new NumberFormatException(value);
124          }
125          int left = Integer.parseInt(value.substring(0, sep));
126          int top = Integer.parseInt(value.substring(sep + 1));
127          position = new Integer[2];
128          position[0] = left;
129          position[1] = top;
130        }
131        return position;
132      }
133    }