课程设计项目《蓝梦教育集团即时通讯系统》(仿腾讯QQ)——完善客户端聊天信息主窗口程序类(第3部分)

J2EE课程设计实训教学示例项目《蓝梦教育集团即时通讯系统》（仿腾讯QQ）——完善客户端聊天信息主窗口程序类（第3部分）1.1.1完善客户端聊天信息主窗口类ChatMainFrame中的各个事件类1、ChatMainFrame_ActionListenerEventHandler（1）类名称为ChatMainFrame_ActionListenerEventHandler，包名称为com.px1987.imsystem.client.frame.chatframe.event，实现java.awt.event.ActionListener接口（2）编程该事件类package com.px1987.imsystem.client.frame.chatframe.event;import java.awt.Color;import java.awt.Font;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import ng.reflect.InvocationTargetException;import ng.reflect.Method;import javax.swing.ImageIcon;import javax.swing.JColorChooser;import javax.swing.text.BadLocationException;import javax.swing.text.SimpleAttributeSet;import javax.swing.text.StyleConstants;import javax.swing.text.StyledDocument;import com.px1987.imsystem.client.dialog.FontChooserDialog;import com.px1987.imsystem.client.exception.IMSystemException;import com.px1987.imsystem.client.factory.GenericTypeMethodsFactory;import com.px1987.imsystem.client.frame.chatframe.panel.ChatMainFrame_CenterInfoPanel; import com.px1987.imsystem.client.frame.floatwindow.SelectUserFaceWindow;importcom.px1987.imsystem.client.httpclient.inter.HttpClientMessageInfoRequestResponseInterface; import com.px1987.imsystem.client.util.DateAndTimeUtil;import com.px1987.imsystem.client.util.IMSystemClientUtils;import com.px1987.imsystem.client.xmlparse.ParseXMLConfFileAllTags;import com.px1987.imsystem.serializableVO.MessageInfoVO;public class ChatMainFrame_ActionListenerEventHandler implements ActionListener { private ChatMainFrame_CenterInfoPanel eventSourceContainer = null;private String eventHandlerMethodName = null;public ChatMainFrame_ActionListenerEventHandler() {super();}public ChatMainFrame_ActionListenerEventHandler(ChatMainFrame_CenterInfoPanel eventSourceContainer,String eventHandlerMethodName) {super();this.eventSourceContainer = eventSourceContainer;this.eventHandlerMethodName = eventHandlerMethodName;}@SuppressWarnings("unchecked")public void actionPerformed(ActionEvent actionEventObject) {Class currentEventHandlerClass = this.getClass();Method eventHandlerMmethod = null;try { //获得事件处理方法eventHandlerMmethod = currentEventHandlerClass.getMethod(this.eventHandlerMethodName, new Class[] {actionEventObject.getClass()});} catch (SecurityException exception) {exception.printStackTrace();System.out.println("出现了SecurityException异常错误，错误信息为：" +exception.getMessage());} catch (NoSuchMethodException exception) {exception.printStackTrace();System.out.println("出现了NoSuchMethodException异常错误，错误信息为：" + exception.getMessage());}try { //调用指定的事件处理方法eventHandlerMmethod.invoke(this, new Object[] {actionEventObject});} catch (InvocationTargetException exception) {exception.printStackTrace();System.out.println("出现了InvocationTargetException异常错误，错误信息为：" + exception.getMessage());} catch (IllegalArgumentException exception) {exception.printStackTrace();System.out.println("出现了IllegalArgumentException异常错误，错误信息为：" + exception.getMessage());} catch (IllegalAccessException exception) {exception.printStackTrace();System.out.println("出现了IllegalAccessException异常错误，错误信息为：" + exception.getMessage());}}public void closeThisFrameButton_onClick(ActionEvent e) {eventSourceContainer.getOneChatMainFrame().dispose();eventSourceContainer.getOneChatMainFrame().setVisible(false);}public void sendMessageButton_onClick(ActionEvent e) {String messageContent=eventSourceContainer.getSendInfoTextPane().getText();if((messageContent.equals("")||(messageContent.length()==0))){return; //如果本次没有真正输入聊天信息的内容，则不进行发送}// MessageInfoVO returnMessageInfoVO=null;String sendMessageTime=DateAndTimeUtil.getHourMinuteSecondString();StringmessageSender=IMSystemClientUtils.getUserLoginOnLineInfoVOInstance().getUserAliaoName ()+"("+IMSystemClientUtils.getUserLoginOnLineInfoVOInstance().getUserIMCode()+")";StringmessageReceiver=eventSourceContainer.getOneFindFriendInfoVO().getUserAliaoName()+"("+ eventSourceContainer.getOneFindFriendInfoVO().getUserIMCode()+")";MessageInfoVO oneMessageInfoVO=new MessageInfoVO();oneMessageInfoVO.setSendMessageTime(sendMessageTime);oneMessageInfoVO.setMessageContent(messageContent);oneMessageInfoVO.setMessageSender(messageSender);oneMessageInfoVO.setMessageReceiver(messageReceiver);StringhttpClientMessageInfoRequestResponseeClassName=ParseXMLConfFileAllTags.getProperty("h ttpClientMessageInfoRequestResponse.className");HttpClientMessageInfoRequestResponseInterface oneHttpClientMessageInfoRequest=null;try {oneHttpClientMessageInfoRequest =new GenericTypeMethodsFactory().newSomeOneInstance(httpClientMessageInfoRequestResponsee ClassName); //利用范型工厂方法直接获得目标对象实例}catch (IMSystemException exception) {exception.printStackTrace();System.out.println("出现了OASystemException异常错误，错误信息为："+exception.getMessage());}try {// returnMessageInfoVO = oneHttpClientMessageInfoRequest.doSendMessageInfo(oneMessageInfoVO);oneHttpClientMessageInfoRequest.doSendMessageInfo(oneMessageInfoVO);} catch (IMSystemException exception) {exception.printStackTrace();System.out.println("出现了OASystemException异常错误，错误信息为：" +exception.getMessage());}eventSourceContainer.getSendInfoTextPane().setText("");String oneMessageText=sendMessageTime+" "+messageSender+"对"+messageReceiver+"说："+ "\n ";//下面的代码设置标题为粗体样式SimpleAttributeSet oneSimpleAttributeSet = new SimpleAttributeSet();StyleConstants.setBold(oneSimpleAttributeSet, true);StyledDocumentchatResultTextPaneDocument=eventSourceContainer.getChatResultTextPane().getStyledDocume nt();try {chatResultTextPaneDocument.insertString(chatResultTextPaneDocument.getLength(),oneMessageText,oneSimpleAttributeSet);} catch (BadLocationException exception) {exception.printStackTrace();System.out.println("出现了BadLocationException异常错误，错误信息为：" + exception.getMessage());}chatResultTextPaneDocument=eventSourceContainer.getChatResultTextPane().getStyledDoc ument();try {chatResultTextPaneDocument.insertString(chatResultTextPaneDocument.getLength(),messageContent+"\n",eventSourceContainer.getSendInfoTextPane().getParagraphAttributes());} catch (BadLocationException ex) {}}public void chooseFaceButton_onClick(ActionEvent e) {int floatPanelWidth = 436;int floatPanelHeight = 320;SelectUserFaceWindow oneSelectUserFaceWindow =new SelectUserFaceWindow(eventSourceContainer.getOneChatMainFrame(),floatPanelWidth, floatPanelHeight);oneSelectUserFaceWindow.openThisWindow();}Color chatMessageForegroundColor = Color.BLACK;public void setupForegroundColorButton_onClick(ActionEvent e) {Color userSelectColor =JColorChooser.showDialog(eventSourceContainer.getOneChatMainFrame(),"请选择您的文字的颜色",Color.black);if (userSelectColor != null) {chatMessageForegroundColor = userSelectColor;}SimpleAttributeSet oneSimpleAttributeSet = new SimpleAttributeSet();StyleConstants.setForeground(oneSimpleAttributeSet,chatMessageForegroundColor);eventSourceContainer.getSendInfoTextPane().setCharacterAttributes(oneSimpleAttributeSet, false); //不覆盖其他的属性项目}public void insertImageFileButton_onClick(ActionEvent e) {String userSelectedImageFileName = null;userSelectedImageFileName = eventSourceContainer.getSelectedImageFile();eventSourceContainer.insertImageFileToSendInfoTextPane(new ImageIcon(userSelectedImageFileName));}public void returnKeySendMessageMenuItem_onClick(ActionEvent e) {}public void ctrlAndReturnKeySendMessageMenuItem_onClick(ActionEvent e) {}public void messagePatternMenuItem_onClick(ActionEvent e) {}public void selfDefineFontButton_onClick(ActionEvent e) {FontChooserDialog oneFontChooserDialog=new FontChooserDialog(null,true,null); //参数true代表为模式对话框oneFontChooserDialog.setAlwaysOnTop(true);oneFontChooserDialog.setVisible(true);Font returnUserSelectedFont=oneFontChooserDialog.getUserSelectFontInThisDialog();SimpleAttributeSet oneSimpleAttributeSet = new SimpleAttributeSet();StyleConstants.setFontFamily(oneSimpleAttributeSet, returnUserSelectedFont.getFamily());StyleConstants.setFontSize(oneSimpleAttributeSet, returnUserSelectedFont.getSize());if(returnUserSelectedFont.isBold()){StyleConstants.setBold(oneSimpleAttributeSet, true);}else if(returnUserSelectedFont.isItalic()){StyleConstants.setItalic(oneSimpleAttributeSet, true);}else if(returnUserSelectedFont.isPlain()){StyleConstants.setBold(oneSimpleAttributeSet, false);StyleConstants.setItalic(oneSimpleAttributeSet, false);}else if((returnUserSelectedFont.isBold())&&(returnUserSelectedFont.isItalic())){ StyleConstants.setBold(oneSimpleAttributeSet, true);StyleConstants.setItalic(oneSimpleAttributeSet, true);}eventSourceContainer.getSendInfoTextPane().setCharacterAttributes(oneSimpleAttributeSet, false); //不覆盖其他的属性项目}}2、ChatMainFrame_ItemListenerEventHandler（1）类名称为ChatMainFrame_ItemListenerEventHandler，包名称为com.px1987.imsystem.client.frame.chatframe.event，实现java.awt.event.ItemListener接口（2）编程该事件类package com.px1987.imsystem.client.frame.chatframe.event;import java.awt.event.ItemEvent;import java.awt.event.ItemListener;import ng.reflect.InvocationTargetException;import ng.reflect.Method;import javax.swing.text.SimpleAttributeSet;import javax.swing.text.StyleConstants;import com.px1987.imsystem.client.frame.chatframe.panel.ChatMainFrame_CenterInfoPanel; public class ChatMainFrame_ItemListenerEventHandler implements ItemListener { private ChatMainFrame_CenterInfoPanel eventSourceContainer = null;private String eventHandlerMethodName = null;public ChatMainFrame_ItemListenerEventHandler() {super();}public ChatMainFrame_ItemListenerEventHandler(ChatMainFrame_CenterInfoPaneleventSourceContainer, String eventHandlerMethodName) { super();this.eventSourceContainer = eventSourceContainer;this.eventHandlerMethodName = eventHandlerMethodName;}@SuppressWarnings("unchecked")public void itemStateChanged(ItemEvent itemEventObject) {Class currentEventHandlerClass = this.getClass();Method eventHandlerMmethod = null;try { //获得事件处理方法eventHandlerMmethod = currentEventHandlerClass.getMethod(this.eventHandlerMethodName, new Class[] {itemEventObject.getClass()});} catch (SecurityException exception) {exception.printStackTrace();System.out.println("出现了SecurityException异常错误，错误信息为：" +exception.getMessage());} catch (NoSuchMethodException exception) {exception.printStackTrace();System.out.println("出现了NoSuchMethodException异常错误，错误信息为：" + exception.getMessage());}try { //调用指定的事件处理方法eventHandlerMmethod.invoke(this, new Object[] {itemEventObject});} catch (InvocationTargetException exception) {exception.printStackTrace();System.out.println("出现了InvocationTargetException异常错误，错误信息为：" + exception.getMessage());} catch (IllegalArgumentException exception) {exception.printStackTrace();System.out.println("出现了IllegalArgumentException异常错误，错误信息为：" + exception.getMessage());} catch (IllegalAccessException exception) {exception.printStackTrace();System.out.println("出现了IllegalAccessException异常错误，错误信息为：" +exception.getMessage());}}public void fontColorFormatButton_itemStateChanged(ItemEvent e) {if(eventSourceContainer.getSendMessageToolBar().getFontColorFormatButton().isSelected()) { eventSourceContainer.getCenterDownButtonPanel().add(eventSourceContainer.getFontSetupToolBar(),java.awt.BorderLayout.SOUTH);} else {eventSourceContainer.getCenterDownButtonPanel().remove(eventSourceContainer.getFontSetupToolBar());}eventSourceContainer.invalidate();eventSourceContainer.repaint();eventSourceContainer.validate();}public void fontSizeJComboBox_ItemListener(ItemEvent e) {int fontSize = Integer.parseInt( (String) eventSourceContainer.getFontSetupToolBar().getFontSizeJComboBox().getSelectedItem());SimpleAttributeSet oneSimpleAttributeSet = new SimpleAttributeSet();StyleConstants.setFontSize(oneSimpleAttributeSet, fontSize);eventSourceContainer.getSendInfoTextPane().setCharacterAttributes(oneSimpleAttributeSet, false); //不覆盖其他的属性项目}public void fontNameJComboBox_ItemListener(ItemEvent e) {String fontName = (String) eventSourceContainer.getFontSetupToolBar().getFontNameJComboBox().getSelectedItem();SimpleAttributeSet oneSimpleAttributeSet = new SimpleAttributeSet();StyleConstants.setFontFamily(oneSimpleAttributeSet, fontName);eventSourceContainer.getSendInfoTextPane().setCharacterAttributes(oneSimpleAttributeSet, false); //不覆盖其他的属性项目}/*在JTextPane中常用到属性类：SimpleAttributeSet和StyleConstant。