/**File Name : Gui.java * *Authors : Prashanth. K * Shireen Javali * *Date : 20/05/2000 * *Aim : The Graphical user intrface for * Smart Connect */ import java.awt.*; import java.awt.event.*; import java.lang.*; import java.applet.*; import java.io.*; import Search; import Download; import SharedFile; import MsgBox; import java.util.StringTokenizer; /**This is the main Window of Smart Connect. It takes in the search *query. Other options can be selected with the help of the menubar *and menus provided */ class Gui extends Frame { private MenuBar mainMenuBar; //the menu bar String presentSearchString; //the search string that the user enters public Search connect; //the object that takes care of searching the net public Download download; //the object that takes care of all the downloads public SharedFile sharedFile; //that file shared between Search and Download public List urlList; //List of URLS of search engines public List queryList; //Query for those search engines public List subsequentQueryList;//subsequent query for those search engines public List firstIndexList; //The first index for the search engines public List incrementList; //the increment value of search results //for those search engines public MyList listOfLinks; //to display the search results public FileDialog fileDialog; //to save the files public TextField searchEntry; //the display of the box public TextArea downloadStatus; //the display of the status public CustomizeSearch customizeSearch; //the window to customize the search options public FTPExplorer ftpExplorer; //the FTP explorer window public SelectWindow selectWindow; //for selective update of the database public AddSearchEngine addSearchEngine; //for adding your own search engines public GetURL getURL; //any URL(may be image, binary etc...) public CheckboxMenuItem controlDownload; //to control the download thread public HelpAbout helpAbout; //help about OURSELF obviously public HelpCommands helpCommands; // FAQs about Smart Connect private final int fileNumber = 6; private final int editNumber = 3; private final int viewNumber = 3; public final int maxX = 500; public final int maxY = 500; private Menu file; private Menu edit; private Menu view; private Menu update; private MenuItem fileItems[]; private MenuItem editItems[]; private MenuItem viewItems[]; private MenuItem update1,update2; /** * For the menu handler to use the names for * comparison */ public String fileNames[]; public String viewNames[]; public String editNames[]; private Button submitButton; public Button downloadButton; public Button deleteButton; public Gui() { connect = new Search(); download = new Download("scLinks.dat","dTempLinks.dat"); sharedFile = new SharedFile(); fileItems = new MenuItem[fileNumber]; editItems = new MenuItem[editNumber]; viewItems = new MenuItem[viewNumber]; fileNames = new String[fileNumber]; editNames = new String[editNumber]; viewNames = new String[viewNumber]; controlDownload = new CheckboxMenuItem("Download"); listOfLinks = new MyList(15,true,this); urlList = new List(15); queryList = new List(15); subsequentQueryList = new List(15); firstIndexList = new List(15); incrementList = new List(15); fileDialog = new FileDialog(this); customizeSearch = new CustomizeSearch(this); ftpExplorer = new FTPExplorer(this); selectWindow = new SelectWindow(this); addSearchEngine = new AddSearchEngine(this); getURL = new GetURL(this); } public void initMainMenu() { connect.setSharedFile(sharedFile); connect.setDownload(download); connect.setGui(this); download.setSharedFile(sharedFile); download.setGui(this); sharedFile.setDownload(download); mainMenuBar = new MenuBar(); fileNames[0] = "Save in"; fileNames[1] = "Parse File..."; fileNames[2] = "Get URL..."; fileNames[3] = "-"; fileNames[4] = "Ftp Explorer"; fileNames[5] = "Exit"; editNames[0] = "Configure"; editNames[1] = "-"; editNames[2] = "Search Sites"; viewNames[0] = "Commands"; viewNames[1] = "-"; viewNames[2] = "About"; file = new Menu("File",true); edit = new Menu("Database",true); view = new Menu("Help",true); fileItems[0] = new MenuItem(fileNames[0]); fileItems[1] = new MenuItem(fileNames[1]); fileItems[2] = new MenuItem(fileNames[2]); fileItems[3] = new MenuItem(fileNames[3]); fileItems[4] = new MenuItem(fileNames[4]); fileItems[5] = new MenuItem(fileNames[5]); // fileItems[6] = new MenuItem(fileNames[6]); editItems[0] = new MenuItem(editNames[0]); editItems[1] = new MenuItem(editNames[1]); editItems[2] = new MenuItem(editNames[2]); update = new Menu("Forced Update",true); viewItems[0] = new MenuItem(viewNames[0]); viewItems[1] = new MenuItem(viewNames[1]); viewItems[2] = new MenuItem(viewNames[2]); submitButton = new Button("Submit"); downloadButton = new Button("Download"); deleteButton = new Button("Delete"); setLayout(null); setBounds(50,200,maxX,maxY/5); setResizable(false); searchEntry = new TextField(40); Label lName = new Label("Search ", Label.RIGHT); downloadStatus = new TextArea(); listOfLinks.setMultipleMode(true); add(listOfLinks); add(lName); add(searchEntry); add(submitButton); add(downloadButton); add(deleteButton); add(downloadStatus); setMenuBar(mainMenuBar); file.add(fileItems[0]); file.add(fileItems[1]); file.add(controlDownload); file.add(fileItems[2]); file.add(fileItems[3]); file.add(fileItems[4]); file.add(fileItems[5]); // file.add(fileItems[6]); edit.add(editItems[0]); edit.add(editItems[1]); edit.add(update); edit.add(editItems[2]); update.add((update1 = new MenuItem("Select"))); update.add((update2 = new MenuItem("All"))); view.add(viewItems[0]); view.add(viewItems[1]); view.add(viewItems[2]); mainMenuBar.add(file); mainMenuBar.add(edit); mainMenuBar.add(view); MyMenuHandler taskManager = new MyMenuHandler(this); fileItems[0].addActionListener(taskManager); fileItems[1].addActionListener(taskManager); controlDownload.addItemListener(taskManager); fileItems[2].addActionListener(taskManager); fileItems[3].addActionListener(taskManager); fileItems[4].addActionListener(taskManager); fileItems[5].addActionListener(taskManager); // fileItems[6].addActionListener(taskManager); editItems[0].addActionListener(taskManager); editItems[1].addActionListener(taskManager); editItems[2].addActionListener(taskManager); update.addActionListener(taskManager); update1.addActionListener(taskManager); update2.addActionListener(taskManager); viewItems[0].addActionListener(taskManager); viewItems[1].addActionListener(taskManager); viewItems[2].addActionListener(taskManager); submitButton.addActionListener(taskManager); downloadButton.addActionListener(taskManager); deleteButton.addActionListener(taskManager); GuiAdapter guiAdapter = new GuiAdapter(this); addWindowListener(guiAdapter); int baseX = 20 ,baseY = 50; lName.setBounds(baseX,baseY,50,30); searchEntry.setBounds(baseX+60,baseY, 300,25); submitButton.setBounds(baseX+370, baseY, 75,30); listOfLinks.setBounds(baseX, baseY+50, 450, 300); downloadButton.setBounds(baseX+360, baseY+355,75,30); deleteButton.setBounds(baseX+360, baseY+390,75,30); downloadStatus.setBounds(baseX+5, baseY+360,345,80); listOfLinks.setVisible(false); fileDialog.setVisible(false); setIconImage(Toolkit.getDefaultToolkit().getImage("connector.gif")); setTitle("Smart Connect"); customizeSearch.init(); ftpExplorer.init(); ftpExplorer.setVisible(false); selectWindow.init(); selectWindow.setVisible(false); getURL.init(); getURL.setVisible(false); addSearchEngine.init(); addSearchEngine.setVisible(false); deleteButton.setVisible(false); downloadButton.setVisible(false); downloadStatus.setVisible(false); downloadStatus.setEditable(false); controlDownload.setState(true); helpAbout = new HelpAbout(this); helpCommands = new HelpCommands(this); //start the download thread download.start(); } public void copyBackSearchEngines() { int loopVar = 0; int limit = incrementList.getItemCount(); try { File file = new File("sites.dat"); file.delete(); System.out.println("Updating the sites file"); RandomAccessFile searchSites = new RandomAccessFile ("sites.dat","rw"); for (loopVar = 0; loopVar < limit; loopVar++) { searchSites.writeBytes(customizeSearch.listOfSearchEngines.getItem(loopVar) +"$"+urlList.getItem(loopVar) +"$"+queryList.getItem(loopVar) +"$"+subsequentQueryList.getItem(loopVar) +"$"+firstIndexList.getItem(loopVar) +"$"+incrementList.getItem(loopVar) +"\r\n"); } searchSites.close(); } catch(FileNotFoundException fe) { new MsgBox(this,"Search engine file not present",false); } catch(IOException fe) { new MsgBox(this,"Search Engine File corrupted",false); } } public void displayMessage(String message) { downloadStatus.append(message); } //*********************The Main Method************************// public static void main(String args[]) { Gui gui = new Gui(); gui.initMainMenu(); gui.setVisible(true); } } class GuiAdapter extends WindowAdapter { public Gui gui; public GuiAdapter(Gui gui) { this.gui = gui; } public void windowDestroyed(WindowEvent w) { gui.sharedFile.windUp("scLinks.dat"); gui.copyBackSearchEngines(); System.out.println("destroyed"); System.exit(0); } public void windowClosing(WindowEvent w) { gui.sharedFile.windUp("scLinks.dat"); gui.copyBackSearchEngines(); System.out.println("Closing"); System.exit(0); } } class WinAdapter extends WindowAdapter { CustomizeSearch customizeSearch; public WinAdapter(CustomizeSearch cs) { this.customizeSearch = cs; } public void windowClosing(WindowEvent w) { customizeSearch.setVisible(false); customizeSearch.gui.setEnabled(true); customizeSearch.gui.setVisible(true); } } class MyList extends List { Gui gui; public MyList(int n,boolean b,Gui gui) { super(n,b); this.gui = gui; enableEvents(AWTEvent.ITEM_EVENT_MASK | AWTEvent.ACTION_EVENT_MASK); } protected void processActionEvent(ActionEvent ae) { String act = ae.getActionCommand(); gui.fileDialog.setFile("anything"); gui.fileDialog.setMode(FileDialog.SAVE); gui.fileDialog.setVisible(true); if(gui.fileDialog.getFile() != null) { gui.connect.construct(act,gui.fileDialog.getFile()); remove(act); } } } class MyMenuHandler implements ActionListener , ItemListener { Gui gui; public MyMenuHandler(Gui gui) { this.gui = gui; } public void actionPerformed(ActionEvent ae) { String act = (String)ae.getActionCommand(); if(act.equals("Submit")) { int nlinks; gui.setSize(gui.maxX,gui.maxY); if(gui.searchEntry.getText().equals("")) { gui.presentSearchString = null; return; } gui.connect.submit(gui.searchEntry.getText()); try { RandomAccessFile inputFile = new RandomAccessFile("downloadUrlList.dat","r"); String link; gui.presentSearchString = gui.searchEntry.getText(); while(gui.listOfLinks.getItemCount()>0) gui.listOfLinks.delItem(0); while((link = inputFile.readLine()) != null) gui.listOfLinks.add(link); gui.listOfLinks.setVisible(true); gui.downloadButton.setVisible(true); gui.deleteButton.setVisible(true); gui.downloadStatus.setVisible(true); gui.setVisible(true); inputFile.close(); } catch(FileNotFoundException fe) { System.err.println("error file not found"); } catch(IOException ie) { System.err.println("unexpected end of file"); } } else if(act.equals("Download")) { try { if(!gui.download.t.isAlive()) { System.err.println("no thread"); return; } String fName = "searchTempLinks.dat"; FileOutputStream f = new FileOutputStream(fName); f.close(); RandomAccessFile durlList = new RandomAccessFile(fName,"rw"); int idx[]; idx = gui.listOfLinks.getSelectedIndexes(); for(int i = 0; i0) gui.connect.construct(); } catch(FileNotFoundException fe) { System.out.println(fe); } catch(IOException ie) { System.out.println(ie); } } else if(act.equals("Delete")) //delete links { try { String fName = "deleteLinks.dat"; FileOutputStream f = new FileOutputStream(fName); f.close(); RandomAccessFile durlList = new RandomAccessFile(fName,"rw"); int idx[]; idx = gui.listOfLinks.getSelectedIndexes(); for(int i = 0; i0) gui.connect.deleteLinks(gui.presentSearchString,idx); } catch(FileNotFoundException fe) { } catch(IOException ie) { } } else if(act.equals(gui.fileNames[1])) { // parse file gui.fileDialog.setMode(FileDialog.LOAD); gui.fileDialog.setVisible(true); if(gui.fileDialog.getFile()!=null) { try { FileOutputStream f = new FileOutputStream("downloadUrlList.dat"); f.close(); } catch(FileNotFoundException fe) { } catch(IOException fe) { } // File durl = new File("downloadUrlList.dat"); // durl.delete(); gui.connect.parser.parse(gui.fileDialog.getFile(),"downloadUrlList.dat","",false); //display the links and get the download links int nlinks; gui.setSize(gui.maxX,gui.maxY); try { RandomAccessFile inputFile = new RandomAccessFile("downloadUrlList.dat","r"); String link; while(gui.listOfLinks.getItemCount()>0) gui.listOfLinks.delItem(0); while((link = inputFile.readLine()) != null) gui.listOfLinks.add(link); gui.listOfLinks.setVisible(true); gui.downloadButton.setVisible(true); gui.setVisible(true); inputFile.close(); } catch(FileNotFoundException fe) { System.err.println("error file not found"); } catch(IOException ie) { System.err.println("unexpected end of file"); } } } else if(act.equals(gui.fileNames[0])) { //save in directory gui.fileDialog.setMode(FileDialog.SAVE); gui.fileDialog.setFile("this"); gui.fileDialog.setVisible(true); if(gui.fileDialog.getFile()!=null) { gui.download.setDirectory(gui.fileDialog.getDirectory()); } } else if(act.equals(gui.fileNames[2])) { gui.setEnabled(false); gui.getURL.setVisible(true); System.out.println("I love OOPs"); } else if(act.equals(gui.fileNames[4])) { gui.setEnabled(false); gui.ftpExplorer.setVisible(true); } else if(act.equals(gui.fileNames[5])) { //exit gui.sharedFile.windUp("scLinks.dat"); gui.copyBackSearchEngines(); System.exit(0); } else if(act.equals(gui.editNames[0])) { gui.setEnabled(false); gui.customizeSearch.setVisible(true); } else if(act.equals("Select")) { //select update gui.setEnabled(false); //gui.setVisible(false); gui.selectWindow.setVisible(true); } else if(act.equals("All")) { //update all gui.connect.updateAll(); } else if(act.equals(gui.viewNames[0])) { gui.setEnabled(false); gui.helpCommands.setVisible(true); gui.helpCommands.show(); } else if(act.equals(gui.editNames[2])) { gui.setEnabled(false); gui.addSearchEngine.setVisible(true); } else if(act.equals(gui.viewNames[2])) { gui.setEnabled(false); gui.helpAbout.setVisible(true); gui.helpAbout.show(); } } public void itemStateChanged(ItemEvent ie) { if(gui.controlDownload.getState()) gui.download.start(); else gui.download.stop(); } } class HelpCommands extends Frame { public Gui gui; Font heading = new Font("TimesNewRoman",Font.BOLD,24); Font howTo = new Font("TimesNewRoman",Font.BOLD,20); Font answer = new Font("TimesNewRoman",Font.BOLD,16); Button ok = new Button("OK"); Label line[] = new Label[11]; public HelpCommands(Gui gui) { this.gui = gui; line[0] = new Label("The Freaquently Asked Questions ",Label.LEFT); line[1] = new Label("How to search for a string ?",Label.LEFT); line[2] = new Label("Enter the search string in the textbox and press submit",Label.LEFT); line[3] = new Label("How to Customize my search options?",Label.LEFT); line[4] = new Label("Checkout details by selecting the customize option in database menu",Label.LEFT); line[5] = new Label("How to switch to FTP Explorer ?",Label.LEFT); line[6] = new Label("Select FTP explorer from File menu. Press exit to come back",Label.LEFT); line[7] = new Label("How to stop down loading of the files?",Label.LEFT); line[8] = new Label("Check off download in file menu ",Label.LEFT); line[9] = new Label("How to update my database ? ",Label.LEFT); line[10] = new Label("Select update or the whole databasse for updation",Label.LEFT); setLayout(null); setBounds (50,50,500,400); setTitle("Help How to?"); line[0].setBounds(30,15,460,40); line[0].setFont(heading); add(line[0]); line[1].setBounds(30,45,460,40); line[1].setFont(howTo); add(line[1]); line[2].setBounds(30,75,460,40); line[2].setFont(answer); add(line[2]); line[3].setBounds(30,105,460,40); line[3].setFont(howTo); add(line[3]); line[4].setBounds(30,135,460,40); line[4].setFont(answer); add(line[4]); line[5].setBounds(30,165,460,40); line[5].setFont(howTo); add(line[5]); line[6].setBounds(30,195,460,40); line[6].setFont(answer); add(line[6]); line[7].setBounds(30,225,460,40); line[7].setFont(howTo); add(line[7]); line[8].setBounds(30,255,460,40); line[8].setFont(answer); add(line[8]); line[9].setBounds(30,285,460,40); line[9].setFont(howTo); add(line[9]); line[10].setBounds(30,315,460,40); line[10].setFont(answer); add(line[10]); HelpCommandsActionListener h = new HelpCommandsActionListener(this); ok.setBounds (200,360,75,30); ok.addActionListener(h); add (ok); } } class HelpCommandsActionListener implements ActionListener { public HelpCommands ha; public HelpCommandsActionListener(HelpCommands ha) { this.ha = ha; } public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("OK")) { ha.gui.setEnabled(true); ha.gui.setVisible(true); ha.setVisible(false); } } } class HelpAbout extends Frame { public Gui gui; Font font1 = new Font("TimesNewRoman",Font.BOLD,24); Font font2 = new Font("TimesNewRoman",Font.BOLD,20); Font font3 = new Font("TimesNewRoman",Font.BOLD,16); Button ok = new Button("OK"); Label firstLine = new Label("Smart connect",Label.CENTER); Label secondLine = new Label("was completed a s a final year project",Label.CENTER); Label thirdLine = new Label("by",Label.CENTER); Label fourthLine = new Label("Prashanth K",Label.CENTER); Label fifthLine = new Label("Shireen Javali",Label.CENTER); Label sixthLine = new Label("under the guidance of",Label.CENTER); Label seventhLine = new Label("Ms Saumya Hegde",Label.CENTER); Label eighthLine = new Label("at",Label.CENTER); Label ninthLine = new Label("Karnataka Regional Engineering college, Surathkal",Label.CENTER); public HelpAbout(Gui gui) { this.gui = gui; setLayout(null); setBounds (50,50,500,350); setTitle("Help About"); firstLine.setBounds(30,20,460,25); firstLine.setFont(font1); add(firstLine); secondLine.setBounds(30,50,460,25); add(secondLine); thirdLine.setBounds(30,80,460,25); add(thirdLine); fourthLine.setBounds(30,110,460,25); add(fourthLine); fourthLine.setFont(font3); fifthLine.setBounds(30,130,460,25); add(fifthLine); fifthLine.setFont(font3); sixthLine.setBounds(30,160,460,25); add(sixthLine); seventhLine.setBounds(30,190,460,25); add(seventhLine); seventhLine.setFont(font3); eighthLine.setBounds(30,220,460,25); add(eighthLine); ninthLine.setBounds(30,250,460,25); firstLine.setFont(font2); add(ninthLine); ok.setBounds (200,280,75,30); HelpActionListener actList = new HelpActionListener(this); ok.addActionListener(actList); add (ok); } } class HelpActionListener implements ActionListener { public HelpAbout ha; public HelpActionListener(HelpAbout ha) { this.ha = ha; } public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("OK")) { ha.gui.setEnabled(true); ha.gui.setVisible(true); ha.setVisible(false); } } } class CustomizeSearch extends Frame { public Gui gui; public Label searchEngineNames; public Choice listOfSearchEngines; // Why was this choice..... public Checkbox recursiveGets; public Checkbox searchDatabase; public Checkbox searchNet; public Label levels; public Label rangeLabel; public TextField noOfLevels; public TextField range; private Button save; private Button cancel; private int maxX; private int maxY; WinAdapter winAdapter; CustomItemListener customItemListener; public CustomizeSearch(Gui gui) { this.gui = gui; searchEngineNames = new Label("Search Engines",Label.LEFT); listOfSearchEngines = new Choice(); recursiveGets = new Checkbox("Support Recursive Gets"); searchDatabase = new Checkbox("Enable DataBase search"); searchNet = new Checkbox("Enable Net search"); levels = new Label("Depth of Search",Label.RIGHT); rangeLabel = new Label("Range",Label.RIGHT); noOfLevels = new TextField(2); noOfLevels.setText("0"); range = new TextField(2); range.setText("0"); setTitle("Customize the Search options"); save = new Button("Save"); cancel = new Button("Cancel"); winAdapter = new WinAdapter(this); customItemListener = new CustomItemListener(this); } public void init() { addWindowListener(winAdapter); recursiveGets.addItemListener(customItemListener); searchDatabase.addItemListener(customItemListener); searchNet.addItemListener(customItemListener); recursiveGets.setState(false); searchDatabase.setState(true); searchNet.setState(true); save.addActionListener(customItemListener); cancel.addActionListener(customItemListener); noOfLevels.addActionListener(customItemListener); range.addActionListener(customItemListener); listOfSearchEngines.addItemListener(customItemListener); setLayout(null); setBounds(200,200,550,250); setResizable(false); searchEngineNames.setBounds(100,30,250,15); add(searchEngineNames); listOfSearchEngines.setBounds(50,40,250,35); add(listOfSearchEngines); try { RandomAccessFile sites = new RandomAccessFile("sites.dat","rw"); long sitesFilePtr = sites.getFilePointer(); long sitesFileSize = sites.length(); StringTokenizer siteName; while(sitesFilePtr < sitesFileSize) { siteName = new StringTokenizer(sites.readLine(),"$",false); listOfSearchEngines.add(siteName.nextToken()); gui.urlList.add(siteName.nextToken()); gui.queryList.add(siteName.nextToken()); gui.subsequentQueryList.add(siteName.nextToken()); gui.firstIndexList.add(siteName.nextToken()); gui.incrementList.add(siteName.nextToken()); sitesFilePtr = sites.getFilePointer(); } listOfSearchEngines.select(0); sites.close(); } catch(FileNotFoundException fne) { } catch(IOException ie) { } recursiveGets.setBounds(320,110,170,20); add(recursiveGets); searchDatabase.setBounds(320,70,170,20); add(searchDatabase); searchNet.setBounds(320,150,170,20); add(searchNet); levels.setBounds(70,105,100,30); add(levels); rangeLabel.setBounds(70,145,100,30); add(rangeLabel); noOfLevels.setBounds(180,110,20,20); add(noOfLevels); range.setBounds(180,150,20,20); add(range); save.setBounds(50,200,50,30); add(save); cancel.setBounds(250,200,50,30); add(cancel); setIconImage(Toolkit.getDefaultToolkit().getImage("connector.gif")); //initially the checkbox is false noOfLevels.setEnabled(false); } } class CustomItemListener implements ActionListener,ItemListener { private CustomizeSearch cs; int depth; boolean sDBase; boolean sNet; boolean rGets; String site; int range; public CustomItemListener (CustomizeSearch cs) { this.cs = cs; depth = cs.gui.connect.depth; sDBase = cs.gui.connect.searchDBase; sNet = cs.gui.connect.searchNet; site = new String(cs.gui.connect.siteNames); range = cs.gui.connect.linkRange; } public void actionPerformed(ActionEvent ae) { String act = (String)ae.getActionCommand(); if(act.equals("Save")) { depth = (new Integer(cs.noOfLevels.getText())).intValue(); sDBase = cs.searchDatabase.getState(); sNet = cs.searchNet.getState(); site = cs.listOfSearchEngines.getSelectedItem(); range = (new Integer(cs.range.getText())).intValue(); cs.gui.connect.configure(site,range,sDBase,sNet,depth); cs.setVisible(false); cs.gui.setEnabled(true); cs.gui.setVisible(true); } else if(act.equals("Cancel")) { cs.searchDatabase.setState(sDBase); cs.searchNet.setState(sNet); cs.searchNet.setState(rGets); cs.listOfSearchEngines.select(0); cs.setVisible(false); cs.gui.setEnabled(true); cs.gui.setVisible(true); } } public void itemStateChanged(ItemEvent ie) { String item = (String)ie.getItem(); if (item.equals(cs.recursiveGets.getLabel())) { if(cs.recursiveGets.getState()) { cs.noOfLevels.setEditable(true); cs.noOfLevels.setEnabled(true); depth = (new Integer(cs.noOfLevels.getText())).intValue(); } else { cs.noOfLevels.setEditable(false); depth = 0; cs.noOfLevels.setText("0"); } } } } class ErrorWindow extends Frame { Component parent; Label mesg; Button OKButton; public ErrorWindow(Component parent, String mesg) { this.parent = parent; this.mesg = new Label(mesg,Label.LEFT); OKButton = new Button("OK"); setLayout(null); } public void init() { Image i = Toolkit.getDefaultToolkit().getImage("connect.gif"); myCanvas mc = new myCanvas(i); resize(350,200); add(mc); add(OKButton); add(mesg); mc.setBounds(30,60,50,50); OKButton.setBounds(100,100,50,25); mesg.setBounds(150,60,200,25); setTitle("ERROR"); setSize(300,150); setResizable(false); ErrorActionListener errorActionListener = new ErrorActionListener(this); OKButton.addActionListener(errorActionListener); show(); } } class myCanvas extends Canvas { Image saved_i; public myCanvas(Image i) { this.resize(50,50); saved_i = i; } public void paint(Graphics g){ g.drawImage(saved_i, 10, 10, this); } } class ErrorActionListener implements ActionListener { ErrorWindow errorWindow; public ErrorActionListener(ErrorWindow errorWindow) { this.errorWindow = errorWindow; } public void actionPerformed(ActionEvent ae) { String act = (String) ae.getActionCommand(); if(act.equals("OK")) { errorWindow.parent.setEnabled(true); errorWindow.setVisible(false); errorWindow.dispose(); } } } class SelectWindow extends Frame { Gui gui; private TextField searchEntry; SelectWindow(Gui gui) { this.gui = gui; } public void init() { setLayout(null); setBounds(50,200,500,100); setResizable(false); searchEntry = new TextField(40); Label lName = new Label("Search ", Label.RIGHT); add(searchEntry); add(lName); SelectAdapter selectAdapter = new SelectAdapter(this); addWindowListener(selectAdapter); SelectHandler selectHandler = new SelectHandler(this); searchEntry.addActionListener(selectHandler); int baseX = 20 ,baseY = 50; lName.setBounds(baseX,baseY,50,30); searchEntry.setBounds(baseX+60,baseY, 300,25); setIconImage(Toolkit.getDefaultToolkit().getImage("connector.gif")); setTitle("Update Query"); setVisible(false); } } class SelectHandler implements ActionListener { SelectWindow selectWindow; public SelectHandler(SelectWindow selectWindow) { this.selectWindow = selectWindow; } public void actionPerformed(ActionEvent ae) { String act = (String)ae.getActionCommand(); selectWindow.gui.setEnabled(true); selectWindow.gui.setVisible(true); selectWindow.setVisible(false); if(!ae.getActionCommand().equals("")) selectWindow.gui.connect.updateSelect(act); } } class SelectAdapter extends WindowAdapter { SelectWindow s; public SelectAdapter(SelectWindow s) { this.s = s; } public void windowClosing(WindowEvent w) { s.setVisible(false); s.gui.setEnabled(true); s.gui.setVisible(true); } } class GetURL extends Frame { Gui gui; public TextField url; GetURL(Gui gui) { this.gui = gui; } public void init() { setLayout(null); setBounds(50,200,500,100); setResizable(false); url = new TextField(40); Label lName = new Label("URL :", Label.RIGHT); add(url); add(lName); GetURLAdapter getURLAdapter = new GetURLAdapter(this); addWindowListener(getURLAdapter); GetURLHandler getURLHandler = new GetURLHandler(this); url.addActionListener(getURLHandler); int baseX = 20 ,baseY = 50; lName.setBounds(baseX,baseY,50,30); url.setBounds(baseX+60,baseY, 300,25); setIconImage(Toolkit.getDefaultToolkit().getImage("connector.gif")); setTitle("Get this URL"); setVisible(false); } } class GetURLHandler implements ActionListener { GetURL getURL; public GetURLHandler(GetURL getURL) { this.getURL = getURL; } public void actionPerformed(ActionEvent ae) { String act = (String)ae.getActionCommand(); getURL.gui.setEnabled(true); getURL.gui.setVisible(true); getURL.setVisible(false); if (!act.equals("")) { try { if(!getURL.gui.download.t.isAlive()) { getURL.gui.displayMessage("no thread"); return; } String fName = "searchTempLinks.dat"; FileOutputStream f = new FileOutputStream(fName); f.close(); RandomAccessFile durlList = new RandomAccessFile(fName,"rw"); durlList.writeBytes(getURL.url.getText() + "\r\n"); durlList.close(); getURL.gui.connect.construct(); } catch(FileNotFoundException fe) { System.out.println(fe); } catch(IOException ie) { System.out.println(ie); } } } } class GetURLAdapter extends WindowAdapter { GetURL s; public GetURLAdapter(GetURL s) { this.s = s; } public void windowClosing(WindowEvent w) { s.setVisible(false); s.gui.setEnabled(true); s.gui.setVisible(true); } } class AddSearchEngine extends Frame { Gui gui; public TextField searchEngine; public TextField url; public TextField query; public TextField subsequentQuery; // public TextField queryAfter; public Button ok; public Button cancel; public Button delete; public Button help; TextField firstIndex; TextField increment; HelpSearchEngines hp; AddSearchEngine(Gui gui) { this.gui = gui; } public void init() { setLayout(null); setBounds(50,200,700,250); setResizable(false); url = new TextField(25); Label lName = new Label("Url ", Label.RIGHT); searchEngine = new TextField(25); Label sName = new Label("Name ", Label.RIGHT); query = new TextField(60); Label QName = new Label("First Query", Label.RIGHT); subsequentQuery = new TextField(60); Label sqName = new Label("Subsequent Query", Label.RIGHT); firstIndex = new TextField(3); Label firstIndexLabel = new Label("First Index", Label.RIGHT); increment = new TextField(3); Label incrementLabel = new Label("Increments In", Label.RIGHT); ok = new Button("Ok"); cancel = new Button("Cancel"); delete = new Button("Delete"); help = new Button ("Help"); add(sName); add(searchEngine); add(lName); add(url); add(QName); add(sqName); add(query); add(subsequentQuery); add(firstIndexLabel); add(incrementLabel); add(firstIndex); add(increment); add(ok); add(cancel); add(delete); add(help); hp = new HelpSearchEngines(this); AddSearchEngineAdapter addSearchEngineAdapter = new AddSearchEngineAdapter(this); addWindowListener(addSearchEngineAdapter); AddSearchEngineHandler addSearchEngineHandler = new AddSearchEngineHandler(this); ok.addActionListener(addSearchEngineHandler); cancel.addActionListener(addSearchEngineHandler); delete.addActionListener(addSearchEngineHandler); help.addActionListener(addSearchEngineHandler); int baseX = 20 ,baseY = 50; sName.setBounds(baseX+70,baseY,150,30); searchEngine.setBounds(baseX+230,baseY, 350,25); lName.setBounds(baseX+70,baseY+30,150,30); url.setBounds(baseX+230,baseY+30, 350,25); QName.setBounds(baseX+70,baseY+60,150,30); query.setBounds(baseX+230,baseY+60, 350,25); sqName.setBounds(baseX+70,baseY+90,150,30); subsequentQuery.setBounds(baseX+230,baseY+90, 350,25); firstIndexLabel.setBounds(baseX+70,baseY+120,150,30); firstIndex.setBounds(baseX+230,baseY+120,50,25); incrementLabel.setBounds(baseX+70,baseY+150,150,30); increment.setBounds(baseX+230,baseY+150,50,25); ok.setBounds(baseX+600,baseY+20,50,30); cancel.setBounds(baseX+600,baseY+60,50,30); delete.setBounds(baseX+600,baseY+100,50,30); help.setBounds(baseX+600,baseY+140,50,30); setIconImage(Toolkit.getDefaultToolkit().getImage("connector.gif")); setTitle("Add Search sites"); setVisible(false); } } class AddSearchEngineHandler implements ActionListener { AddSearchEngine addSearchEngine; public AddSearchEngineHandler(AddSearchEngine addSearchEngine) { this.addSearchEngine = addSearchEngine; } public void actionPerformed(ActionEvent ae) { String act = (String)ae.getActionCommand(); if(act.equals("Cancel")) { addSearchEngine.gui.setEnabled(true); addSearchEngine.gui.setVisible(true); addSearchEngine.setVisible(false); } else if(act.equals("Ok")) { //add it to the list of links also String s = addSearchEngine.searchEngine.getText(); String u = addSearchEngine.url.getText(); String fq = addSearchEngine.query.getText(); String sq = addSearchEngine.subsequentQuery.getText(); String fi = addSearchEngine.firstIndex.getText(); String i = addSearchEngine.increment.getText(); if(u.equals("")|| fq.equals("") || sq.equals("") || fi.equals("") || i.equals("")) { addSearchEngine.gui.setEnabled(true); addSearchEngine.gui.setVisible(true); addSearchEngine.setVisible(false); return; } StringTokenizer siteName; boolean notFound = true; int nlist = addSearchEngine.gui.urlList.getItemCount(); for(int j =0; j < nlist; j++) if(addSearchEngine.gui.customizeSearch.listOfSearchEngines.getItem(j).equals(s)) notFound = false; if(notFound) { addSearchEngine.gui.customizeSearch.listOfSearchEngines.add(s); addSearchEngine.gui.urlList.add(u); addSearchEngine.gui.queryList.add(fq); addSearchEngine.gui.subsequentQueryList.add(sq); addSearchEngine.gui.firstIndexList.add(fi); addSearchEngine.gui.incrementList.add(i); } addSearchEngine.gui.setEnabled(true); addSearchEngine.gui.setVisible(true); addSearchEngine.setVisible(false); } else if(act.equals("Delete")) { //delete it from the list of links also String link; String s = addSearchEngine.searchEngine.getText(); if(s.equals("")||addSearchEngine.gui.customizeSearch.listOfSearchEngines.getItemCount()<=0) { addSearchEngine.gui.setEnabled(true); addSearchEngine.gui.setVisible(true); addSearchEngine.setVisible(false); return; } boolean notFound = true; int nlist = addSearchEngine.gui.urlList.getItemCount(); int j = 0; while(notFound&& j< nlist) { if(addSearchEngine.gui.customizeSearch.listOfSearchEngines.getItem(j).equals(s)) { notFound = false; addSearchEngine.gui.customizeSearch.listOfSearchEngines.remove(j); addSearchEngine.gui.urlList.remove(j); addSearchEngine.gui.queryList.remove(j); addSearchEngine.gui.subsequentQueryList.remove(j); addSearchEngine.gui.incrementList.remove(j); addSearchEngine.gui.firstIndexList.remove(j); } j++; } addSearchEngine.gui.setEnabled(true); addSearchEngine.gui.setVisible(true); addSearchEngine.setVisible(false); } else if(act.equals("Help")) { addSearchEngine.setEnabled(false); addSearchEngine.hp.setVisible(true); addSearchEngine.hp.show(); } } } class AddSearchEngineAdapter extends WindowAdapter { AddSearchEngine s; public AddSearchEngineAdapter(AddSearchEngine s) { this.s = s; } public void windowClosing(WindowEvent w) { s.setVisible(false); s.gui.setEnabled(true); s.gui.setVisible(true); } } class HelpSearchEngines extends Frame { public AddSearchEngine as; Font heading = new Font("TimesNewRoman",Font.BOLD,24); Font howTo = new Font("TimesNewRoman",Font.BOLD,20); Font answer = new Font("TimesNewRoman",Font.BOLD,16); Button ok = new Button("OK"); Label line[] = new Label[11]; public HelpSearchEngines(AddSearchEngine as) { this.as = as; line[0] = new Label("An Example to fill the Search Engine Form",Label.LEFT); line[1] = new Label("The search Engine",Label.LEFT); line[2] = new Label(" Altavista",Label.LEFT); line[3] = new Label("The first Query String for Smart Connect",Label.LEFT); line[4] = new Label("/cgi-bin/query?pg=q&sc=on&hl=on&q=Smart+Connect&kl=en&stype=stext",Label.LEFT); line[5] = new Label("For subsequent Query say 11-20",Label.LEFT); line[6] = new Label("/cgi-bin/query?pg=q&sc=on&hl=on&q=Smart+Connect&kl=en&stype=stext&stq=10",Label.LEFT); line[7] = new Label("What you have to enter in the form is :",Label.LEFT); line[8] = new Label("First Query : /cgi-bin/query?pg=q&sc=on&hl=on&q=QUERY&kl=en&stype=stext",Label.LEFT); line[9] = new Label("Subsequent query : /cgi-bin/query?pg=q&sc=on&hl=on&q=QUERY&kl=en&stype=stext&stq=FROM",Label.LEFT); line[10] = new Label("First Index = 10 Increment = 10",Label.LEFT); setLayout(null); setBounds (50,50,750,400); setTitle("Help How to?"); line[0].setBounds(30,15,660,40); line[0].setFont(heading); add(line[0]); line[0].setForeground(Color.blue); line[1].setBounds(30,45,660,40); line[1].setFont(howTo); add(line[1]); line[2].setBounds(30,75,660,40); line[2].setFont(answer); add(line[2]); line[3].setBounds(30,105,660,40); line[3].setFont(howTo); add(line[3]); line[4].setBounds(30,135,660,40); line[4].setFont(answer); add(line[4]); line[5].setBounds(30,165,660,40); line[5].setFont(howTo); add(line[5]); line[6].setBounds(30,195,660,40); line[6].setFont(answer); add(line[6]); line[7].setBounds(30,225,660,40); line[7].setFont(howTo); add(line[7]); line[8].setBounds(30,255,660,40); line[8].setFont(answer); add(line[8]); line[9].setBounds(30,285,710,40); line[9].setFont(answer); add(line[9]); line[10].setBounds(30,315,660,40); line[10].setFont(answer); add(line[10]); HelpSearchEnginesActionListener h = new HelpSearchEnginesActionListener(this); ok.setBounds (300,360,75,30); ok.addActionListener(h); add (ok); } } class HelpSearchEnginesActionListener implements ActionListener { public HelpSearchEngines ha; public HelpSearchEnginesActionListener(HelpSearchEngines ha) { this.ha = ha; } public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("OK")) { ha.as.setEnabled(true); ha.as.setVisible(true); ha.setVisible(false); } } }