Swt/Jface treeViewer的运用 (转载)

Swt/Jface treeViewer的使用 (转载)

package model; import java.util.List; public interface Itree { public String getName(); public void setName(String name); public void setChildren(List Children); public List getChildren(); }?

package model; import java.util.ArrayList; import java.util.List; public class Country implements Itree{ private Long id; private String name; private List children = new ArrayList(); public Country(){ } public Country(String name){ this.name = name; } public List getChildren() { return children; } public void setChildren(List children) { this.children = children; } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } }

?

package model; import java.util.ArrayList; import java.util.List; public class City implements Itree{ private Long id; private String name; private List children = new ArrayList(); public City(){ } public City(String name){ this.name = name; } public List getChildren() { return children; } public void setChildren(List children) { this.children = children; } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } }?

import?java.util.ArrayList;
import?java.util.List;

public?class?People?implements?Itree{
????private?Long?id;
????private?String?name;
????public?People(){
????}
????public?People(String?name){
????????this.name?=?name;
????}
????public?List?getChildren()?{
????????return?null;
????}
????public?void?setChildren(List?children)?{
????}
????public?Long?getId()?{
????????return?id;
????}
????public?void?setId(Long?id)?{
????????this.id?=?id;
????}
????public?String?getName()?{
????????return?name;
????}
????public?void?setName(String?name)?{
????????this.name?=?name;
????}
}

package model;  import java.util.ArrayList; import java.util.List;  public class People implements Itree{     private Long id;     private String name;     public People(){     }     public People(String name){         this.name = name;     }     public List getChildren() {         return null;     }     public void setChildren(List children) {     }     public Long getId() {         return id;     }     public void setId(Long id) {         this.id = id;     }     public String getName() {         return name;     }     public void setName(String name) {         this.name = name;     } }

import?java.util.ArrayList;
import?java.util.List;

public?class?Factory?{
????@SuppressWarnings("unchecked")
????public?static?List?createTree(){
????????//生成国家
????????Country?cn?=?new?Country("中国");
????????Country?us?=?new?Country("美国");
????????Country?jp?=?new?Country("日本");
????????//生成城市
????????City?beijing??=?new?City("北京");
????????City?shanghai?=?new?City("上海");
????????City?newyork?=?new?City("纽约");
????????City?la?=?new?City("洛杉矶");
????????City?tokyo?=?new?City("东京");
????????City?osaka?=?new?City("大阪");
????????//北京人
????????ArrayList?list?=?new?ArrayList();
????????list.add(new?People("张三"));
????????list.add(new?People("李四"));
????????list.add(new?People("王五"));
????????beijing.setChildren(list);
????????//上海人
????????list?=?new?ArrayList();
????????list.add(new?People("翠花"));
????????list.add(new?People("小红"));
????????list.add(new?People("小崔"));
????????shanghai.setChildren(list);
????????//纽约人
????????list?=?new?ArrayList();
????????list.add(new?People("tom"));
????????list.add(new?People("rose"));
????????list.add(new?People("john"));
????????newyork.setChildren(list);
????????//洛杉矶人
????????list?=?new?ArrayList();
????????list.add(new?People("Sofia"));
????????list.add(new?People("sarah"));
????????list.add(new?People("Jennifer"));
????????la.setChildren(list);
????????//东京人
????????list?=?new?ArrayList();
????????list.add(new?People("渡边"));
????????list.add(new?People("鬼冢"));
????????list.add(new?People("山本"));
????????tokyo.setChildren(list);
????????//大阪人
????????list?=?new?ArrayList();
????????list.add(new?People("奈奈子"));
????????list.add(new?People("菜菜子"));
????????list.add(new?People("新垣结衣"));
????????osaka.setChildren(list);
????????
????????//关联城市与国家
????????//中国
????????ArrayList?citys?=?new?ArrayList();
????????citys.add(beijing);
????????citys.add(shanghai);
????????cn.setChildren(citys);
????????//美国
????????citys?=?new?ArrayList();
????????citys.add(newyork);
????????citys.add(la);
????????us.setChildren(citys);
????????//日本
????????citys?=?new?ArrayList();
????????citys.add(tokyo);
????????citys.add(osaka);
????????jp.setChildren(citys);
????????//国家列表
????????ArrayList?countrys?=?new?ArrayList();
????????countrys.add(cn);
????????countrys.add(us);
????????countrys.add(jp);
????????return?countrys;
????}
}

package model;  import java.util.ArrayList; import java.util.List;  public class Factory {     @SuppressWarnings("unchecked")     public static List createTree(){         //生成国家         Country cn = new Country("中国");         Country us = new Country("美国");         Country jp = new Country("日本");         //生成城市         City beijing  = new City("北京");         City shanghai = new City("上海");         City newyork = new City("纽约");         City la = new City("洛杉矶");         City tokyo = new City("东京");         City osaka = new City("大阪");         //北京人         ArrayList list = new ArrayList();         list.add(new People("张三"));         list.add(new People("李四"));         list.add(new People("王五"));         beijing.setChildren(list);         //上海人         list = new ArrayList();         list.add(new People("翠花"));         list.add(new People("小红"));         list.add(new People("小崔"));         shanghai.setChildren(list);         //纽约人         list = new ArrayList();         list.add(new People("tom"));         list.add(new People("rose"));         list.add(new People("john"));         newyork.setChildren(list);         //洛杉矶人         list = new ArrayList();         list.add(new People("Sofia"));         list.add(new People("sarah"));         list.add(new People("Jennifer"));         la.setChildren(list);         //东京人         list = new ArrayList();         list.add(new People("渡边"));         list.add(new People("鬼冢"));         list.add(new People("山本"));         tokyo.setChildren(list);         //大阪人         list = new ArrayList();         list.add(new People("奈奈子"));         list.add(new People("菜菜子"));         list.add(new People("新垣结衣"));         osaka.setChildren(list);                  //关联城市与国家         //中国         ArrayList citys = new ArrayList();         citys.add(beijing);         citys.add(shanghai);         cn.setChildren(citys);         //美国         citys = new ArrayList();         citys.add(newyork);         citys.add(la);         us.setChildren(citys);         //日本         citys = new ArrayList();         citys.add(tokyo);         citys.add(osaka);         jp.setChildren(citys);         //国家列表         ArrayList countrys = new ArrayList();         countrys.add(cn);         countrys.add(us);         countrys.add(jp);         return countrys;     } }

import java.util.List; import model.Itree; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITreeContentProvider; import org.eclipse.jface.viewers.Viewer; public class TreeContentProvider implements IStructuredContentProvider, ITreeContentProvider { public Object[] getElements(Object inputElement) { if (inputElement instanceof List){ List input = (List)inputElement; return input.toArray(); } return new Object[0]; } public Object[] getChildren(Object parentElement) { Itree node = (Itree)parentElement; List list = node.getChildren(); if(list == null){ return new Object[0]; } return list.toArray(); } public boolean hasChildren(Object element) { Itree node = (Itree)element; List list = node.getChildren(); return !(list == null || list.isEmpty()); } //以下三个函数根据需要填充 public Object getParent(Object element) { return null; } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } public void dispose() { } }?

import model.Itree; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.swt.graphics.Image; public class TreeLabelProvider extends LabelProvider implements ILabelProvider { public String getText(Object element) { Itree node = (Itree)element; return node.getName(); } public Image getImage(Object element) { return null; } }?

import model.Factory; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Tree; public class TestTreeViewer { private static Tree tree; public static void main(String[] args) { final Display display = Display.getDefault(); final Shell shell = new Shell(); shell.setSize(500, 375); shell.setText("SWT Application"); // final TreeViewer treeViewer = new TreeViewer(shell, SWT.BORDER|SWT.H_SCROLL); tree = treeViewer.getTree(); tree.setBounds(83, 75, 264, 185); treeViewer.setLabelProvider(new TreeLabelProvider()); treeViewer.setContentProvider(new TreeContentProvider()); treeViewer.setInput(Factory.createTree()); shell.open(); shell.setLayout(new FillLayout()); shell.layout(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } } }?

final TreeViewer treeViewer = new TreeViewer(shell, SWT.BORDER|SWT.H_SCROLL);?

final ContainerCheckedTreeViewer treeViewer = new ContainerCheckedTreeViewer(shell, SWT.BORDER|SWT.H_SCROLL);?

五、treeviewer和tableviewer都介绍过了，考虑一下把两个结合起来是不是我们经常需要的情况。尝试一下吧。
六、souce下载:http://www.blogjava.net/Files/dreamstone/jface-6.rar

Swt/Jface treeViewer的运用 (转载)

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