JFace Viewer 2

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5.1.3. Viewer æåºå¨ æåºå¨(åè§Figure 5-5ViewerSorter å±æ¬¡å¾) ç¨æ¥ä¸ºå容ä¾ç»å¨æä¾çåç´ æåºã (åè§ Figure 5-1). å¦æviewer没æ没æ使ç¨æåºå¨ï¼åç´ å°æç§å容ä¾ç»å¨æä¾ çé»è®¤é¡ºåºæåã viewerä½¿ç¨ setSorter() æ¹æ³æ¥ä½¿ç¨æåºå¨ã Figure 5-5. ViewerSorter å±æ¬¡å¾ é»è®¤çæåºç®æ³éç¨ä¸¤æ­¥è¿ç¨ãé¦åï¼å°åç´ åç»ä¸ºä¸åçç±»å«ï¼ç¶åï¼åºäºæ ç­¾ä¾ç»å¨æä¾çæå­æ ç­¾ä¸ºæ¯ç§ç±»å«æåºãé»è®¤çæåµä¸ï¼ææçåç´ é½æ¯åä¸ç±»å«ï¼æ以ææçåç´ é½æ¯æç§æå­æ ç­¾æåºãä½ å¯ä»¥éåé»è®¤çåç±»æ¹æ³ï¼ä½¿ç¨å¶ä»çæ¯è¾è§åã ViewerSorter使ç¨çAPIåæ¬: category(Object) è¿åæå®åç´ çåç±»ã compare(Viewer, Object, Object) æç§ç¬¬ä¸ä¸ªåç´ å°äºï¼ç­äºï¼å¤§äºçä¸åæåµåå«è¿åè´æ°ï¼é¶ï¼æ­£æ°ã getCollator() è¿åç¨æ¥æåå­ç¬¦ä¸²çæ¯è¾å¨ã isSorterProperty(Object, String) è¿åæåºå¨æ¯å¦åæå®åç´ å±æ§æ¹åçå½±åã对 sort(Viewer viewer, Object[]) åªæåæå®çåç´ ã 使ç¨æåºå¨çä¾å­åè§5.1.6è, ListViewer ç±»ã 5.1.4. è¿æ»¤å¨ è¿æ»¤å¨(åè§Figure 5-6ViewerFilter å±æ¬¡å¾) ç¨æ¥æ¾ç¤ºå容ä¾ç»å¨æä¾çåç´ çå­éã(åè§Figure 5-1)ãå¦æviewer没æ使ç¨è¿æ»¤å¨ï¼å°æ¾ç¤ºææçåç´ ã viewerä½¿ç¨ setFilter() æ¹æ³æ¥ä½¿ç¨è¿æ»¤å¨ã Figure 5-6. ViewerFilter å±æ¬¡å¾ ViewFilter常ç¨APIå¦ä¸æ示ãå®ç°ä¸ä¸ªç®åçè¿æ»¤å¨åªéè¦ éå viewer çselect(Viewer, Object, Object) æ¹æ³å³å¯ï¼æ¥å³å®ä¸ä¸ªå¯¹è±¡æ¯å¦å¯ä»¥æ¾ç¤ºå¨viewer中ã filter(Viewer, Object, Object[]) 为æå®çviewerè¿æ»¤æå®åç´ ã该æ¹æ³é»è®¤è°ç¨è°ç¨ select(Viewer, Object, Object)æ¹æ³ã isFilterProperty(Object, String) è¿åæå®åç´ çæå®å±æ§åçæ¹åæ¯å¦å¯¹è¿æ»¤å¨æå½±åã 该æ¹æ³çé»è®¤å®ç°æ¯è¿å false. select(Viewer, Object, Object) è¿åæå®åç´ æ¯å¦è¦è¢«è¿æ»¤ã