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单飞

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for (int i = 0; i < COLUMNS.length; i++) {
                TableColumn idColumn 
= new TableColumn(table, SWT.LEFT);
                cName 
= StringUtils.getNotEmpty(COLUMNS[i]);
                ColumnPixelData columnpixeldata 
= new ColumnPixelData(COLUMNS_WIDTH[i]);
                tableLayout.addColumnData(columnpixeldata);
                idColumn.setText(cName);
                idColumn.setResizable(
true);
                
final String columnName = cName;
                
final Collator collator = Collator.getInstance();
                idColumn.addSelectionListener(
new SelectionListener() {
                    
private boolean sortType = true;

                    
public void widgetDefaultSelected(SelectionEvent e) {

                    }

                    
public void widgetSelected(SelectionEvent e) {
                        sortType 
= !sortType;
                        java.util.Collections.sort(input, 
new Comparator<FElement>() {

                            
public int compare(FElement entry1, FElement entry2) {
                                
int rt = -1;
                                
if (COLUMNS[1].equals(columnName)) {
                                    rt 
= collator.compare(entry1.getName(), entry2.getName());
                                } 
else if (COLUMNS[2].equals(columnName)) {
                                    rt 
= collator.compare(StringUtils.getNotEmpty(entry1.getValueTxt()), StringUtils.getNotEmpty(entry2.getValueTxt()));
                                } 
else if (COLUMNS[3].equals(columnName)) {
                                    rt 
= collator.compare(StringUtils.getNotEmpty(entry1.getDescription()), StringUtils.getNotEmpty(entry2.getDescription()));
                                }
                                
if (sortType) {
                                    
return (-1* rt;
                                }

                                
return rt;
                            }

                        });
                        options.setInput(input);
                        options.refresh();

                    }

                });
            }

这种方法的好处是短小精悍
如果做架构设计就不如使用Annotation封装一下,如果是刚入门就不妨每列增加一个Sorter而且还要增加正反两个.
posted on 2009-07-07 14:45 单飞 阅读(740) 评论(0)  编辑  收藏 所属分类: Eclipse Plugin

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