configview.java

这是一个基于java编写的torrent的P2P源码

/*
 * Created on 2 juil. 2003
 * Copyright (C) 2003, 2004, 2005, 2006 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * AELITIS, SAS au capital de 46,603.30 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */
package org.gudy.azureus2.ui.swt.views;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.logging.LogEvent;
import org.gudy.azureus2.core3.logging.LogIDs;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.pluginsimpl.local.ui.config.ConfigSectionRepository;
import org.gudy.azureus2.ui.swt.ImageRepository;
import org.gudy.azureus2.ui.swt.Messages;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.plugins.UISWTConfigSection;
import org.gudy.azureus2.ui.swt.views.configsections.*;

import com.aelitis.azureus.core.AzureusCore;

import org.gudy.azureus2.plugins.ui.config.ConfigSection;
import org.gudy.azureus2.plugins.ui.config.ConfigSectionSWT;

/**
 * @author Olivier
 *
 */
public class ConfigView extends AbstractIView {
	private static final LogIDs LOGID = LogIDs.GUI;
  public static final String sSectionPrefix = "ConfigView.section.";
  
  AzureusCore		azureus_core;
  
  Composite cConfig;
  Composite cConfigSection;
  StackLayout layoutConfigSection;
  Label lHeader;
  Font headerFont;
  Font filterFoundFont;
  Tree tree;
  ArrayList pluginSections;

	private Timer filterDelayTimer;
	private String filterText = "";
	private Label lblX;

  /**
   * Main Initializer
   * 
   * @param _azureus_core
   */
  public 
  ConfigView(
  	AzureusCore		_azureus_core ) 
  {
  	azureus_core	= _azureus_core;
  }

  /* (non-Javadoc)
   * @see org.gudy.azureus2.ui.swt.IView#initialize(org.eclipse.swt.widgets.Composite)
   */
  public void initialize(Composite composite) {
    GridData gridData;
    /*
    /--cConfig-----------------------------------------------------------\
    | ###SashForm#form################################################## |
    | # /--cLeftSide-\ /--cRightSide---------------------------------\ # |
    | # |txtFilter X | | ***cHeader********************************* | # |
    | # | ##tree#### | | * lHeader                                 * | # |
    | # | #        # | | ******************************************* | # |
    | # | #        # | | ###Composite cConfigSection################ | # |
    | # | #        # | | #                                         # | # |
    | # | #        # | | #                                         # | # |
    | # | #        # | | #                                         # | # |
    | # | #        # | | #                                         # | # |
    | # | ########## | | ########################################### | # |
    | # \------------/ \---------------------------------------------/ # |
    | ################################################################## |
    |  [Button]                                                          |
    \--------------------------------------------------------------------/
    */
    try {
      Display d = composite.getDisplay();

      cConfig = new Composite(composite, SWT.NONE);
      GridLayout configLayout = new GridLayout();
      configLayout.marginHeight = 0;
      configLayout.marginWidth = 0;
      cConfig.setLayout(configLayout);
      gridData = new GridData(GridData.FILL_BOTH);
      cConfig.setLayoutData(gridData);
  
      SashForm form = new SashForm(cConfig,SWT.HORIZONTAL);
      gridData = new GridData(GridData.FILL_BOTH);
      form.setLayoutData(gridData);
      
      Composite cLeftSide = new Composite(form, SWT.BORDER);
      gridData = new GridData(GridData.FILL_BOTH);
      cLeftSide.setLayoutData(gridData);
      
      FormLayout layout = new FormLayout();
      cLeftSide.setLayout(layout);
      
      final Text txtFilter = new Text(cLeftSide, SWT.BORDER);
      final String sFilterText = MessageText.getString("ConfigView.filter");
      txtFilter.setText(sFilterText);
      txtFilter.selectAll();
      txtFilter.addModifyListener(new ModifyListener() {
      	public void modifyText(ModifyEvent e) {
      		filterTree(txtFilter.getText());
      	}
      });
      txtFilter.addMouseListener(new MouseAdapter() {
				public void mouseDown(MouseEvent e) {
					if (txtFilter.getText().equals(sFilterText)) {
						txtFilter.selectAll();
					}
				}
			});
      txtFilter.setFocus();

  		lblX = new Label(cLeftSide, SWT.WRAP);
      Messages.setLanguageTooltip(lblX, "MyTorrentsView.clearFilter.tooltip");
      lblX.setImage(ImageRepository.getImage("smallx-gray"));
      lblX.addMouseListener(new MouseAdapter() {
      	public void mouseUp(MouseEvent e) {
      		txtFilter.setText("");
      	}
      });
  
      tree = new Tree(cLeftSide, SWT.NONE);
      FontData[] fontData = tree.getFont().getFontData();
      fontData[0].setStyle(SWT.BOLD);
      filterFoundFont = new Font(d, fontData);
      
      cLeftSide.setBackground(tree.getBackground());
      lblX.setBackground(tree.getBackground());

      FormData formData;
      formData = new FormData();
      formData.top = new FormAttachment(0,5);
      formData.left = new FormAttachment(0,5);
      formData.right = new FormAttachment(lblX, -3);
      txtFilter.setLayoutData(formData);

      formData = new FormData();
      formData.top = new FormAttachment(0,5);
      formData.right = new FormAttachment(100,-5);
      lblX.setLayoutData(formData);

      formData = new FormData();
      formData.top = new FormAttachment(txtFilter,5);
      formData.left = new FormAttachment(0,0);
      formData.right = new FormAttachment(100,0);
      formData.bottom = new FormAttachment(100,0);
      tree.setLayoutData(formData);
  
      Composite cRightSide = new Composite(form, SWT.NULL);
      configLayout = new GridLayout();
      configLayout.marginHeight = 3;
      configLayout.marginWidth = 0;
      cRightSide.setLayout(configLayout);
  
      // Header
      Composite cHeader = new Composite(cRightSide, SWT.BORDER);
      configLayout = new GridLayout();
      configLayout.marginHeight = 3;
      configLayout.marginWidth = 0;
      cHeader.setLayout(configLayout);
      gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER);
      cHeader.setLayoutData(gridData);
  
      cHeader.setBackground(d.getSystemColor(SWT.COLOR_LIST_SELECTION));
      cHeader.setForeground(d.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT));
  
      lHeader = new Label(cHeader, SWT.NULL);
      lHeader.setBackground(d.getSystemColor(SWT.COLOR_LIST_SELECTION));
      lHeader.setForeground(d.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT));
      fontData = lHeader.getFont().getFontData();
      fontData[0].setStyle(SWT.BOLD);
      int fontHeight = (int)(fontData[0].getHeight() * 1.2);
      fontData[0].setHeight(fontHeight);
      headerFont = new Font(d, fontData);
      lHeader.setFont(headerFont);
      gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER);
      lHeader.setLayoutData(gridData);
  
      // Config Section
      cConfigSection = new Composite(cRightSide, SWT.NULL);
      layoutConfigSection = new StackLayout();
      cConfigSection.setLayout(layoutConfigSection);
      gridData = new GridData(GridData.FILL_BOTH);
      cConfigSection.setLayoutData(gridData);
  
  
      form.setWeights(new int[] {20,80});
  
      tree.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
          Tree tree = (Tree)e.getSource();
          //Check that at least an item is selected
          //OSX lets you select nothing in the tree for example when a child is selected
          //and you close its parent.
          if(tree.getSelection().length > 0)
    	      showSection(tree.getSelection()[0]);
           }
      });
      // Double click = expand/contract branch
      tree.addListener(SWT.DefaultSelection, new Listener() {
        public void handleEvent(Event e) {
            TreeItem item = (TreeItem)e.item;
            if (item != null)
              item.setExpanded(!item.getExpanded());
        }
      });
    } catch (Exception e) {
    	Logger.log(new LogEvent(LOGID, "Error initializing ConfigView", e));
    }



    // Add sections
    /** How to add a new section
     * 1) Create a new implementation of ConfigSectionSWT in a new file
     *    (Use the ConfigSectionTMP.java as a template if it's still around)
     * 2) import it into here
     * 3) add it to the internal sections list
     */
    pluginSections = ConfigSectionRepository.getInstance().getList();

    ConfigSection[] internalSections = { new ConfigSectionConnection(),
                                         new ConfigSectionConnectionProxy(),
                                         new ConfigSectionConnectionAdvanced(),
                                         new ConfigSectionConnectionEncryption(),
                                         new ConfigSectionTransfer(azureus_core),
                                         new ConfigSectionTransferAutoSpeed(),
                                         new ConfigSectionTransferLAN(),
                                         new ConfigSectionFile(), 
                                         new ConfigSectionFileMove(),
                                         new ConfigSectionFileTorrents(),
                                         new ConfigSectionFileTorrentsDecoding(),
                                         new ConfigSectionFilePerformance(),
                                         new ConfigSectionInterface(),
                                         new ConfigSectionInterfaceLanguage(),
                                         new ConfigSectionInterfaceStart(),
                                         new ConfigSectionInterfaceDisplay(),
                                         new ConfigSectionInterfaceColor(),
                                         new ConfigSectionInterfaceAlerts(),
                                         new ConfigSectionMode(),
                                         new ConfigSectionIPFilter(azureus_core),
                                         new ConfigSectionPlugins(this, azureus_core),
                                         new ConfigSectionStats(),
                                         new ConfigSectionTracker(azureus_core),
                                         new ConfigSectionTrackerClient(),
                                         new ConfigSectionTrackerServer(azureus_core),
                                         new ConfigSectionSecurity(),
                                         new ConfigSectionSharing(),
                                         new ConfigSectionLogging()
                                        };
    
    pluginSections.addAll(0, Arrays.asList(internalSections));

    for (int i = 0; i < pluginSections.size(); i++) {
   
    	// slip the non-standard "plugins" initialisation inbetween the internal ones
    	// and the plugin ones so plugin ones can be children of it
    	
      boolean	plugin_section = i >= internalSections.length;
      
      ConfigSection section = (ConfigSection)pluginSections.get(i);
      
      if (section instanceof ConfigSectionSWT || section instanceof UISWTConfigSection ) {
        String name;
        try {
          name = section.configSectionGetName();
         } catch (Exception e) {
        	 Logger.log(new LogEvent(LOGID, "A ConfigSection plugin caused an "
							+ "error while trying to call its "
							+ "configSectionGetName function", e));
          name = "Bad Plugin";
        }

         String	section_key = name;
         
         if ( plugin_section ){
         		// if resource exists without prefix then use it as plugins don't
         		// need to start with the prefix
         	
         	if ( !MessageText.keyExists(section_key)){
         		
         		section_key = sSectionPrefix + name;
         	}
         	
         }else{
         	
         	section_key = sSectionPrefix + name;
         }
         
         try {
          TreeItem treeItem;
          String location = section.configSectionGetParentSection();
  
          if (location.equalsIgnoreCase(ConfigSection.SECTION_ROOT))
        	  treeItem = new TreeItem(tree, SWT.NULL);
          else if (location != "") {
        	  TreeItem treeItemFound = findTreeItem(tree, location);
        	  if (treeItemFound != null){
        		  if (location.equalsIgnoreCase(ConfigSection.SECTION_PLUGINS)) {
        			  // Force ordering by name here.
        			  int position = findInsertPointFor(MessageText.getString(section_key), treeItemFound);
        			  if (position == -1) {
        				  treeItem = new TreeItem(treeItemFound, SWT.NULL);
        			  }
        			  else {
        				  treeItem = new TreeItem(treeItemFound, SWT.NULL, position);
        			  }
        		  }
        		  else {
        			  treeItem = new TreeItem(treeItemFound, SWT.NULL);
        		  }
        	  }else{
        		  treeItem = new TreeItem(tree, SWT.NULL);
        	  }
          }else{
        	  treeItem = new TreeItem(tree, SWT.NULL); 
          }
  
          ScrolledComposite sc = new ScrolledComposite(cConfigSection, SWT.H_SCROLL | SWT.V_SCROLL);
          sc.setExpandHorizontal(true);
          sc.setExpandVertical(true);
          sc.setLayoutData(new GridData(GridData.FILL_BOTH));
      		sc.getVerticalBar().setIncrement(16);
      		sc.addListener(SWT.Resize, new Listener() {
      			public void handleEvent(Event event) {
      				ScrolledComposite sc = (ScrolledComposite)event.widget;
      	  		sc.getVerticalBar().setPageIncrement(sc.getSize().y);
      			}
      		});
          
          if(i == 0) {
            Composite c;
            if ( section instanceof ConfigSectionSWT ){
          	  
          	  c = ((ConfigSectionSWT)section).configSectionCreate(sc);
          	  
            }else{
   
            	  c = ((UISWTConfigSection)section).configSectionCreate(sc);
            }
            sc.setContent(c);
          }
          
          Messages.setLanguageText(treeItem, section_key);
          treeItem.setData("Panel", sc);
          treeItem.setData("ID", name);
          treeItem.setData("ConfigSectionSWT", section);
          
          // ConfigSectionPlugins is special because it has to handle the
          // PluginConfigModel config pages
          if (section instanceof ConfigSectionPlugins)
          	((ConfigSectionPlugins)section).initPluginSubSections();
        } catch (Exception e) {
        	Logger.log(new LogEvent(LOGID, "ConfigSection plugin '" + name
							+ "' caused an error", e));
        }
      }
    }