【插件开发】—— 6 SWT 复杂控件使用以及布局

 

前文回顾：

1 插件学习篇

2 简单的创建插件工程以及模型文件分析

3 利用扩展点，开发透视图

4 SWT编程须知

5 SWT简单控件的使用与布局搭配

 

　　前几篇讲到了简单控件的使用，复杂控件使用原则上与简单控件差很少，不过数据的使用还有一些布局还有些额外的技巧。

　　成果展现：

    

　　这里介绍下Tab页，列表，以及树的使用。

　　Tab页

　　这个tab页仍然采用SWT控件的一向做风，子页都以挂载的方式链接到Tab容器上，可是须要使用一个组个对象才能在里面放置内容，并不支持直接进行布局。

　　　　 TabFolder tabFolder = new TabFolder(shell,SWT.BORDER); TabItem tabItem1 = new TabItem(tabFolder,SWT.NONE); tabItem1.setText("第一页"); Composite compsoite1 = new Composite(tabFolder,SWT.NONE); tabItem1.setControl(compsoite1);

　　这样再在Composite容器内放置其余的控件。

　　树形结构

　　而列表以及树的使用基本上差很少，树稍微复杂一点，有一个父亲孩子的概念，多使用几回就了解其中的关系技巧了。

　　　　　　  tree = new Tree(treeGroup,SWT.SINGLE); tree.setLayoutData(new GridData(GridData.FILL_BOTH)); TreeItem stu1 = new TreeItem(tree,SWT.NONE); stu1.setText("xingoo"); { TreeItem info1 = new TreeItem(stu1,SWT.NONE); info1.setText("age:25"); TreeItem info2 = new TreeItem(stu1,SWT.NONE); info2.setText("tel:12345"); } TreeItem stu2 = new TreeItem(tree,SWT.NONE); stu2.setText("halo"); { TreeItem info3 = new TreeItem(stu2,SWT.NONE); info3.setText("age:25"); TreeItem info4 = new TreeItem(stu2,SWT.NONE); info4.setText("tel:67890"); }

　　表格

　　比较经常使用的通常就是列表，通常导向页，对话框也都是使用Table来制做。

　　　　　　  table = new Table(tableGroup,SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION); table.setHeaderVisible(true);//设置表头可见
            table.setLinesVisible(true);//设置线条可见
            table.setLayoutData(new GridData(GridData.FILL_BOTH)); TableColumn column1 = new TableColumn(table,SWT.NULL); column1.setText("Tree Item"); column1.pack(); column1.setWidth(150); TableColumn column2 = new TableColumn(table,SWT.NULL); column2.setText("Parent"); column2.pack(); column2.setWidth(150);

　　　　　　  TableItem item = new TableItem(table,SWT.NONE); item.setText(new String[]{“123”，“445”});

 

　　那么下面仍是看一个搭配使用的例子

　　首先应用的是一个Tab容器，在第一页放置了一个树形控件，和一个列表控件。点击树形控件的节点，会在列表中添加相关的内容。

　　源码参考以下：

 1 public void todo(Shell shell) {  2         TabFolder tabFolder = new TabFolder(shell,SWT.BORDER);  3         
 4         TabItem tabItem1 = new TabItem(tabFolder,SWT.NONE);  5         tabItem1.setText("第一页");  6         
 7         Composite compsoite1 = new Composite(tabFolder,SWT.NONE);  8  tabItem1.setControl(compsoite1);  9         
10         GridLayout layout = new GridLayout(); 11         layout.numColumns = 1; 12  compsoite1.setLayout(layout); 13         Group treeGroup = new Group(compsoite1,SWT.NONE); 14         treeGroup.setText("Tree"); 15         GridData griddata = new GridData(GridData.FILL_BOTH); 16         griddata.heightHint = 50; 17  treeGroup.setLayoutData(griddata); 18         treeGroup.setLayout(new GridLayout(1,false)); 19  { 20             tree = new Tree(treeGroup,SWT.SINGLE); 21             tree.setLayoutData(new GridData(GridData.FILL_BOTH)); 22             
23             TreeItem stu1 = new TreeItem(tree,SWT.NONE); 24             stu1.setText("xingoo"); 25  { 26                 TreeItem info1 = new TreeItem(stu1,SWT.NONE); 27                 info1.setText("age:25"); 28                 
29                 TreeItem info2 = new TreeItem(stu1,SWT.NONE); 30                 info2.setText("tel:12345"); 31  } 32             TreeItem stu2 = new TreeItem(tree,SWT.NONE); 33             stu2.setText("halo"); 34  { 35                 TreeItem info3 = new TreeItem(stu2,SWT.NONE); 36                 info3.setText("age:25"); 37                 
38                 TreeItem info4 = new TreeItem(stu2,SWT.NONE); 39                 info4.setText("tel:67890"); 40  } 41             
42             tree.addSelectionListener(new SelectionAdapter() { 43                 public void widgetSelected(SelectionEvent evt){ 44                     TableItem item = new TableItem(table,SWT.NONE); 45                     item.setText(new String[]{tree.getSelection()[0].toString(),tree.getSelection()[0].getText()}); 46  } 47  }); 48  } 49         Group tableGroup = new Group(compsoite1,SWT.NONE); 50         tableGroup.setText("Table"); 51         GridData gd = new GridData(GridData.FILL_BOTH); 52         gd.heightHint = 20; 53  tableGroup.setLayoutData(gd); 54         tableGroup.setLayout(new GridLayout(1,false)); 55         {    //建立一个单选的，有边界的，一行全选的表格
56             table = new Table(tableGroup,SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION); 57             table.setHeaderVisible(true);//设置表头可见
58             table.setLinesVisible(true);//设置线条可见
59             table.setLayoutData(new GridData(GridData.FILL_BOTH)); 60             
61             TableColumn column1 = new TableColumn(table,SWT.NULL); 62             column1.setText("Tree Item"); 63  column1.pack(); 64             column1.setWidth(150); 65             
66             TableColumn column2 = new TableColumn(table,SWT.NULL); 67             column2.setText("Parent"); 68  column2.pack(); 69             column2.setWidth(150); 70  } 71         
72         
73         TabItem tabItem2 = new TabItem(tabFolder,SWT.NONE); 74         tabItem2.setText("第二页"); 75     }

　　所有源码

package com.xingoo.plugin.swttest.test; import javax.swing.text.StyleConstants.ColorConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.TabFolder; import org.eclipse.swt.widgets.TabItem; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; import org.eclipse.swt.widgets.Tree; import org.eclipse.swt.widgets.TreeItem; import com.xingoo.plugin.swttest.Abstract.AbstractExample; public class Test1 extends AbstractExample{ private Table table; private Tree tree; public static void main(String[] args) { new Test1().run(); } public void todo(Shell shell) { TabFolder tabFolder = new TabFolder(shell,SWT.BORDER); TabItem tabItem1 = new TabItem(tabFolder,SWT.NONE); tabItem1.setText("第一页"); Composite compsoite1 = new Composite(tabFolder,SWT.NONE); tabItem1.setControl(compsoite1); GridLayout layout = new GridLayout(); layout.numColumns = 1; compsoite1.setLayout(layout); Group treeGroup = new Group(compsoite1,SWT.NONE); treeGroup.setText("Tree"); GridData griddata = new GridData(GridData.FILL_BOTH); griddata.heightHint = 50; treeGroup.setLayoutData(griddata); treeGroup.setLayout(new GridLayout(1,false)); { tree = new Tree(treeGroup,SWT.SINGLE); tree.setLayoutData(new GridData(GridData.FILL_BOTH)); TreeItem stu1 = new TreeItem(tree,SWT.NONE); stu1.setText("xingoo"); { TreeItem info1 = new TreeItem(stu1,SWT.NONE); info1.setText("age:25"); TreeItem info2 = new TreeItem(stu1,SWT.NONE); info2.setText("tel:12345"); } TreeItem stu2 = new TreeItem(tree,SWT.NONE); stu2.setText("halo"); { TreeItem info3 = new TreeItem(stu2,SWT.NONE); info3.setText("age:25"); TreeItem info4 = new TreeItem(stu2,SWT.NONE); info4.setText("tel:67890"); } tree.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent evt){ TableItem item = new TableItem(table,SWT.NONE); item.setText(new String[]{tree.getSelection()[0].toString(),tree.getSelection()[0].getText()}); } }); } Group tableGroup = new Group(compsoite1,SWT.NONE); tableGroup.setText("Table"); GridData gd = new GridData(GridData.FILL_BOTH); gd.heightHint = 20; tableGroup.setLayoutData(gd); tableGroup.setLayout(new GridLayout(1,false)); { //建立一个单选的，有边界的，一行全选的表格
            table = new Table(tableGroup,SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION); table.setHeaderVisible(true);//设置表头可见
            table.setLinesVisible(true);//设置线条可见
            table.setLayoutData(new GridData(GridData.FILL_BOTH)); TableColumn column1 = new TableColumn(table,SWT.NULL); column1.setText("Tree Item"); column1.pack(); column1.setWidth(150); TableColumn column2 = new TableColumn(table,SWT.NULL); column2.setText("Parent"); column2.pack(); column2.setWidth(150); } TabItem tabItem2 = new TabItem(tabFolder,SWT.NONE); tabItem2.setText("第二页"); } }

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　　引用的抽象类

package com.xingoo.plugin.swttest.Abstract; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public abstract class AbstractExample{ public void run(){ Display display = new Display(); Shell shell = new Shell(display); shell.setText("shell example"); shell.setBounds(200,200,400,400); shell.setLayout(new FillLayout()); todo(shell); shell.open(); while(!shell.isDisposed()){ if(!display.readAndDispatch()) display.sleep(); } //dispose the resource
 display.beep(); display.dispose(); } public abstract void todo(Shell shell);//extension something here
}

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