searchresulttable.java

JMule是一个基于Java开发

				});
				close = new JMenuItem("Close");
				close.setIcon(ImgRep.getIcon("cancel.png"));
				close.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent event) {
						tabbedPanel.remove(search_result_pane);
					}
				});
				column_setup = new JMenuItem("Column setup");
				column_setup.setIcon(ImgRep.getIcon("columns_setup.png"));
				column_setup.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent event) {
					    System.out.println("Column setup action performed");	
					}
				});
				properties = new JMenuItem("Properties");
				properties.setIcon(ImgRep.getIcon("info.png"));
				properties.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent event) {
						System.out.println("Properties action performed");
					}
				});
			}
			
			public void mousePressed(MouseEvent e) {
				showPopup(e);
			}
			
			public void mouseReleased(MouseEvent e) {
				showPopup(e);
			}
			
			private void showPopup(MouseEvent e) {
				 if (e.isPopupTrigger()) {
					 
					 JPopupMenu popup_menu = null;
					 
					 switch( whichCondition() ) {
					 
					   case A : popup_menu = new JPopupMenu();
						        popup_menu.add(try_again); 
						        popup_menu.add(copy_ed2k_links);
						        popup_menu.add(close);
						        popup_menu.add(column_setup);
						        popup_menu.add(properties);
						        break;
						        
					   case B : popup_menu = new JPopupMenu();
				                popup_menu.add(try_again); 
				                popup_menu.add(copy_ed2k_links);
				                popup_menu.add(close);
				                popup_menu.add(column_setup);
				                break;
				                
					   case C : popup_menu = new JPopupMenu();
				                popup_menu.add(try_again); 
				                popup_menu.add(copy_ed2k_links);
				                popup_menu.add(close);
				                popup_menu.add(column_setup);
				                popup_menu.add(properties);
				                break; 
				                
					   case D : popup_menu = new JPopupMenu();
		                        popup_menu.add(try_again); 
		                        popup_menu.add(copy_ed2k_links);
		                        popup_menu.add(close);
		                        popup_menu.add(column_setup);
		                        break;
		               
					   case E : popup_menu = new JPopupMenu();
					            popup_menu.add(start_download);
                                popup_menu.add(try_again); 
                                popup_menu.add(copy_ed2k_links);
                                popup_menu.add(close);
                                popup_menu.add(column_setup);
                                break;
                                
					   case F : popup_menu = new JPopupMenu();
			                    popup_menu.add(start_download);
                                popup_menu.add(try_again); 
                                popup_menu.add(copy_ed2k_links);
                                popup_menu.add(close);
                                popup_menu.add(column_setup);
                                break;
                                
					   case G : popup_menu = new JPopupMenu();
			                    popup_menu.add(start_download);
                                popup_menu.add(try_again); 
                                popup_menu.add(copy_ed2k_links);
                                popup_menu.add(close);
                                popup_menu.add(column_setup);
                                break;
                                
					   case H : popup_menu = new JPopupMenu();
	                            popup_menu.add(start_download);
                                popup_menu.add(try_again); 
                                popup_menu.add(copy_ed2k_links);
                                popup_menu.add(close);
                                popup_menu.add(column_setup);
                                popup_menu.add(properties);
                                break;
                                
					   case I : popup_menu = new JPopupMenu();
                                popup_menu.add(start_download);
                                popup_menu.add(try_again); 
                                popup_menu.add(copy_ed2k_links);
                                popup_menu.add(close);
                                popup_menu.add(column_setup);
                                break;
                                
					   case J : popup_menu = new JPopupMenu();
					            popup_menu.add(close);
					            popup_menu.add(column_setup);
					            break;
						   
					 }
					 popup_menu.show(e.getComponent(), e.getX(), e.getY());
				 }
			}
		}
		this.addMouseListener(new PopupListener());
	}
	
	private SearchResultItem[] getSelectedFiles() {
		
		return getFilesByIndexes( this.getSelectedRows() );
	}
	
	private SearchResultItem[] getFilesByIndexes(int[] indexes) {
		SearchResultItem[] result = new SearchResultItem[indexes.length];
		int k = 0;
		for(int i : indexes) {
			int j = 0;
			for(SearchResultItem file : search_result_file_list) {
				if( j == this.convertRowIndexToModel(i) ) {
					result[k++] = file;
					break;
				}
				++j;
			}
		}
		return result;
	}
	
	/*
	 * =========================================================================================================================================================
	 * |                   |  Downloading  | On Shared  |  Downloading & New files  |  Shared & New files  |  Shared & Downloading & New files  |  New Files   |
	 * =========================================================================================================================================================
	 * |                                                                                                                                                       |
	 * | ONE_SELECTED           A               C                   X                         X                         X                             H        |
	 * |                                                                                                                                                       |
	 * |-------------------------------------------------------------------------------------------------------------------------------------------------------|
	 * |                                                                                                                                                       |
	 * | MULTIPLE_SELECTED      B               D                   E                         F                         G                             I        |
	 * |                                                                                                                                                       |
	 * |--------------------------------------------------------------------------------------------------------------------------------------------------------
	 *    J - no search results
	 *    A,B,C,D,E,F,G,H,I,J - conditions
	 *    X - can't be
	 *    
	 *   Start download Ac1
	 *   Try again Ac2
	 *   Copy ED2K Links Ac3
	 *   Close Ac5
	 *   Column setup Ac6
	 *   Properties Ac7
	 * 
	 *     |  Ac1   Ac2   Ac3   Ac5   Ac6   Ac7
	 * --------------------------------------------      
	 *   A |  -     yes   yes   yes   yes   yes
	 *     |
	 *   B |  -     yes   yes   yes   yes   -
	 *     |
	 *   C |  -     yes   yes   yes   yes   yes
	 *     |
	 *   D |  -     yes   yes   yes   yes   -
	 *     |
	 *   E |  yes   yes   yes   yes   yes   -
	 *     |
	 *   F |  yes   yes   yes   yes   yes   -
	 *     |
	 *   G |  yes   yes   yes   yes   yes   -
	 *     |
	 *   H |  yes   yes   yes   yes   yes   yes
	 *     |
	 *   I |  yes   yes   yes   yes   yes   -
	 *     |
	 *   J |  -     -     -     yes   yes   - 
	 * 
	 */
	
	private ConditionType whichCondition() {

		int[] selected_rows = this.getSelectedRows();
		SearchResultItem[] results = getSelectedFiles();
		
		if( ( selected_rows.length == 1 ) && _download_manager.hasDownload(results[0].getFileHash()) ) return ConditionType.A;
		if( selected_rows.length > 1 ) {
			boolean all_are_downloading = true;
			for(SearchResultItem result : results) {
				if( !_download_manager.hasDownload(result.getFileHash()) ) {
					all_are_downloading = false;
					break;
				}
			}
			if(all_are_downloading) return ConditionType.B;
		}
		if( ( selected_rows.length == 1 ) && _sharing_manager.hasFile(results[0].getFileHash()) ) return ConditionType.C;
		if( selected_rows.length > 1 ) {
			boolean all_are_shared = true;
			for(SearchResultItem result : results) {
				if( !_sharing_manager.hasFile(result.getFileHash()) ) {
					all_are_shared = false;
					break;
				}
			}
			if(all_are_shared) return ConditionType.D;
		}
		if( selected_rows.length > 1 ) {
			boolean some_downloading = false;
			boolean some_new = false;
			for(SearchResultItem result : results) {
				if( _download_manager.hasDownload(result.getFileHash()) ) some_downloading = true;
				if( !_sharing_manager.hasFile(result.getFileHash()) &&
					!_download_manager.hasDownload(result.getFileHash())) some_new = true;
			}
			if( some_downloading && some_new ) return ConditionType.E;
		}
		if( selected_rows.length > 1 ) {
			boolean some_shared = false;
			boolean some_new = false;
			for(SearchResultItem result : results) {
				if( _sharing_manager.hasFile(result.getFileHash()) ) some_shared = true;
				if( !_sharing_manager.hasFile(result.getFileHash()) &&
					!_download_manager.hasDownload(result.getFileHash())) some_new = true;
			}
			if( some_shared && some_new ) return ConditionType.F;
		}
		if( selected_rows.length > 1 ) {
			boolean some_shared = false;
			boolean some_downloading = false;
			boolean some_new = false;
			for(SearchResultItem result : results) {
				if( _sharing_manager.hasFile(result.getFileHash()) ) some_shared = true;
				if( _download_manager.hasDownload(result.getFileHash()) ) some_downloading = true;
				if( !_sharing_manager.hasFile(result.getFileHash()) &&
					!_download_manager.hasDownload(result.getFileHash()) ) some_new = true;
			}
			if( some_shared && some_downloading && some_new ) return ConditionType.G;
		}
		if( ( selected_rows.length == 1 ) && ( !_sharing_manager.hasFile(results[0].getFileHash()) &&
				                               !_download_manager.hasDownload(results[0].getFileHash())) ) return ConditionType.H;
		if( selected_rows.length > 1 ) {
			boolean all_are_new = true;
			for(SearchResultItem result : results) {
				if( _sharing_manager.hasFile(result.getFileHash()) || 
				    _download_manager.hasDownload(result.getFileHash())) {
					all_are_new = false;
					break;
				}
			}
			if( all_are_new ) return ConditionType.I;
		}
		if( this.getRowCount() == 0 ) return ConditionType.J;
		
		return null;
	}
	
	public List<SearchResultItem> getFilesByStatus(FileStatus fileStatus) {
		List<SearchResultItem> result = new LinkedList<SearchResultItem>();
		SearchResultItem[] selected_results = getSelectedFiles();
		for(SearchResultItem search_result_item : selected_results) {
		  switch(fileStatus) {
		     case  SHARING   :  if(_sharing_manager.hasFile(search_result_item.getFileHash()))
		    	                	 result.add(search_result_item); break;
		     case DOWNLOADING:  if(_download_manager.hasDownload(search_result_item.getFileHash()))
			                    	 result.add(search_result_item); break;
		     case NEW :         if(!_download_manager.hasDownload(search_result_item.getFileHash()) &&
			                       !_sharing_manager.hasFile(search_result_item.getFileHash()))
			                    	 result.add(search_result_item); break;
		  }
		}
		return result;
	}
	
	private enum FileStatus {
		SHARING,
		DOWNLOADING,
		NEW
	}
	
	private enum ConditionType {
		A,B,C,D,E,F,G,H,I,J
	}
	
}