在JTable中加载进度条及进行操作

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Swing Java 多线程 Yahoo JDK

我们在多文件下载或多事务处理时，经常会出现使用线程以提高效率的情况，而这时在GUI程序中如何表示进度，就成了一个不大不小的问题。
现在比较被大众接受的方式，大体就是如迅雷等下载工具中一样，用表格中加载进度条以进行显示。
而对于Swing来说，并没有现成的组件能够实现这一操作，还有下载的并发，似乎也需要额外进行处理。于是，我在此提供一个基于jdk1.6版本的示例，以供参考。（因为jdk1.6提供了SwingWorker，简化了图形程序中的线程处理，使用其他jdk开发请替换此项即可）

本示例由两个java文件组成

MyTableModel.java

packageorg.loon.test;

importjava.awt.Component;

importjava.util.HashMap;

importjava.util.Map;

importjavax.swing.BorderFactory;

importjavax.swing.JProgressBar;

importjavax.swing.JTable;

importjavax.swing.SwingWorker;

importjavax.swing.table.DefaultTableCellRenderer;

importjavax.swing.table.DefaultTableModel;

/**

*

*Title:LoonFramework

*

*

*Description:

*

*

*

*

*Company:LoonFramework

*

*@authorchenpeng

*@email：ceponline@yahoo.com.cn

*@version0.1

publicclassMyTableModelextendsDefaultTableModel{

/**

privatestaticfinallongserialVersionUID=1L;

privatestaticfinalColumnContext[]columnArray={

newColumnContext("ID",Integer.class,false),

newColumnContext("名称",String.class,false),

newColumnContext("进度",Integer.class,false)};

privatefinalMap<Integer,SwingWorker>swmap=newHashMap<Integer,SwingWorker>();

privateintnumber=0;

publicvoidaddTest(Testt,SwingWorkerworker){

Object[]obj={newInteger(number),t.getName(),t.getProgress()};

super.addRow(obj);

swmap.put(number,worker);

number++;

}

publicsynchronizedSwingWorkergetSwingWorker(intidentifier){

Integerkey=(Integer)getValueAt(identifier,0);

returnswmap.get(key);

}

publicTestgetTest(intidentifier){

returnnewTest((String)getValueAt(identifier,1),

(Integer)getValueAt(identifier,2));

}

publicbooleanisCellEditable(introw,intcol){

returncolumnArray[col].isEditable;

}

publicClass<?>getColumnClass(intmodelIndex){

returncolumnArray[modelIndex].columnClass;

}

publicintgetColumnCount(){

returncolumnArray.length;

}

publicStringgetColumnName(intmodelIndex){

returncolumnArray[modelIndex].columnName;

}

privatestaticclassColumnContext{

publicfinalStringcolumnName;

publicfinalClasscolumnClass;

publicfinalbooleanisEditable;

publicColumnContext(StringcolumnName,ClasscolumnClass,

booleanisEditable){

this.columnName=columnName;

this.columnClass=columnClass;

this.isEditable=isEditable;

}

classTest{

privateStringname;

privateIntegerprogress;

publicTest(Stringname,Integerprogress){

this.name=name;

this.progress=progress;

}

publicvoidsetName(Stringstr){

name=str;

}

publicvoidsetProgress(Integerstr){

progress=str;

}

publicStringgetName(){

returnname;

}

publicIntegergetProgress(){

returnprogress;

}

classProgressRendererextendsDefaultTableCellRenderer{

/**

privatestaticfinallongserialVersionUID=1L;

privatefinalJProgressBarb=newJProgressBar(0,100);

publicProgressRenderer(){

super();

setOpaque(true);

b.setBorder(BorderFactory.createEmptyBorder(1,1,1,1));

}

publicComponentgetTableCellRendererComponent(JTabletable,Objectvalue,

booleanisSelected,booleanhasFocus,introw,intcolumn){

Integeri=(Integer)value;

Stringtext="完成";

if(i<0){

//删除

text="取消完毕";

}elseif(i<100){

b.setValue(i);

returnb;

}

super.getTableCellRendererComponent(table,text,isSelected,hasFocus,

row,column);

returnthis;

}

MyPanel.java

packageorg.loon.test;

importjava.awt.BorderLayout;

importjava.awt.Color;

importjava.awt.Component;

importjava.awt.Dimension;

importjava.awt.EventQueue;

importjava.awt.event.ActionEvent;

importjava.util.HashSet;

importjava.util.Random;

importjavax.swing.AbstractAction;

importjavax.swing.Action;

importjavax.swing.Icon;

importjavax.swing.JButton;

importjavax.swing.JFrame;

importjavax.swing.JPanel;

importjavax.swing.JPopupMenu;

importjavax.swing.JScrollPane;

importjavax.swing.JSeparator;

importjavax.swing.JTable;

importjavax.swing.RowFilter;

importjavax.swing.SwingWorker;

importjavax.swing.WindowConstants;

importjavax.swing.table.TableCellRenderer;

importjavax.swing.table.TableColumn;

importjavax.swing.table.TableRowSorter;

//importorg.loon.framework.dll.NativeLoader;

/**

*

*Title:LoonFramework

*

*

*Description:

*

*

*

*

*Company:LoonFramework

*

*@authorchenpeng

*@email：ceponline@yahoo.com.cn

*@version0.1

publicclassMyPanelextendsJPanel{

/**

privatestaticfinallongserialVersionUID=1L;

privatestaticfinalColorevenColor=newColor(250,250,250);

privatefinalMyTableModelmodel=newMyTableModel();

privatefinalTableRowSorter<MyTableModel>sorter=newTableRowSorter<MyTableModel>(

model);

privatefinalJTabletable;

publicMyPanel(){

super(newBorderLayout());

table=newJTable(model){

/**

privatestaticfinallongserialVersionUID=1L;

publicComponentprepareRenderer(

TableCellRenderertableCellRenderer,introw,intcolumn){

Componentcomponent=super.prepareRenderer(tableCellRenderer,row,

column);

//背景色及字体设置

if(isRowSelected(row)){

component.setForeground(getSelectionForeground());

component.setBackground(getSelectionBackground());

}else{

component.setForeground(getForeground());

component.setBackground((row%2==0)?evenColor:table

.getBackground());

align=

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2009-03-05 17:07
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