100分求助， 谁帮我修改一下代码，有关TreeTableViewer的编辑问题？

dongle2001 2009-04-05 08:46:20
我已经写了一部分代码了，不过我现在已经做不下去了，那位大侠帮我修改一下。
主要的功能就是，实现一个带树型的表格控件，这个表格控件可以编辑，编辑部分应该有一个使用ComboxCellEditor的例子，我可以根据数据的不同，选择使用TextCellEditor还是ComboxCellEditor实现编辑功能。不用我的代码，如果有这样的例子也可以。

package test;

import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Item;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TreeColumn;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.ComboBoxCellEditor;
import org.dom4j.DocumentFactory;
import org.dom4j.Element;

public class TestFrame extends Shell {
public static Element element = null;
static {
element = DocumentFactory.getInstance().createElement("root");
Element f1 = element.addElement("folder");
f1.addAttribute("name", "folder1");
Element e1 = f1.addElement("data");
e1.addAttribute("name", "e1");
e1.addAttribute("value", "v1");
Element e2 = f1.addElement("data");
e2.addAttribute("name", "e2");
e2.addAttribute("value", "v2");
Element f2 = element.addElement("folder");
f2.addAttribute("name", "folder2");
Element e3 = f2.addElement("data");
e3.addAttribute("name", "e3");
e3.addAttribute("value", "v3");
Element e4 = f2.addElement("data");
e4.addAttribute("name", "e4");
e4.addAttribute("value", "v4");
}

/**
* Launch the application
* @param args
*/
public static void main(String args[]) {
try {
Display display = Display.getDefault();
TestFrame shell = new TestFrame(display, SWT.SHELL_TRIM);
shell.open();
shell.layout();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* Create the shell
* @param display
* @param style
*/
public TestFrame(Display display, int style) {
super(display, style);
createContents();
setLayout(new FillLayout());
}

/**
* Create contents of the window
*/
protected void createContents() {
setText("SWT Application");
setSize(500, 375);

final TreeViewer ttv = new TreeViewer(this, SWT.BORDER);
ttv.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));

// Set the content and label providers
ttv.setContentProvider(new PlayerTreeContentProvider());
ttv.setLabelProvider(new PlayerTreeLabelProvider());
ttv.setInput(element);

final CellEditor[] cellEditors = new CellEditor[2];
cellEditors[1] = new TextCellEditor(ttv.getTree());
ttv.setCellEditors(cellEditors);
ttv.setColumnProperties(new String[]{"name", "value"});
ttv.setCellModifier(new ICellModifier() {
public boolean canModify(Object element, String property) {
// TODO Auto-generated method stub
Element data = (Element)element;
if (data.getName().compareTo("folder") == 0) {
return false;
}
if (data.getName().compareTo("data") == 0) {
String strName = data.attributeValue("name");
if (strName.compareTo("e1") == 0) {
cellEditors[1] = new ComboBoxCellEditor(
ttv.getTree(), new String[]{"v1", "v5", "v6"});
}
}
return false;
}

public Object getValue(Object element, String property) {
// TODO Auto-generated method stub
Element data = (Element)element;
return data.attributeValue("value");
}

public void modify(Object element, String property, Object value) {
// TODO Auto-generated method stub
Item item = (Item) ((TreeColumn) element).getData();
if (item instanceof Element) {
((Element)item).setAttributeValue("value", value + "");
}
System.out.println(((Element)item).asXML());
}
});

// Set up the table
TreeColumn column1 = new TreeColumn(ttv.getTree(), SWT.CENTER);
column1.setText("Name");
column1.setWidth(200);
TreeColumn column2 = new TreeColumn(ttv.getTree(), SWT.CENTER);
column2.setText("Value");
column2.setWidth(200);
//Expand everything
ttv.expandAll();
// Pack the columns
for (int i = 0, n = ttv.getTree().getColumnCount(); i < n; i++) {
ttv.getTree().getColumn(i).pack();
}
// Turn on the header and the lines
ttv.getTree().setHeaderVisible(true);
ttv.getTree().setLinesVisible(true);
// Pack the window
pack();
}

@Override
protected void checkSubclass() {
// Disable the check that prevents subclassing of SWT components
}
}

class PlayerTreeContentProvider implements ITreeContentProvider {
private static final Object[] EMPTY = new Object[] {};

public Object[] getChildren(Object parentElement) {
// TODO Auto-generated method stub
if (parentElement instanceof Element) {
Object[] objs = ((Element)parentElement).elements().toArray();
return objs;
}
return EMPTY;
}

public Object getParent(Object element) {
// TODO Auto-generated method stub
return ((Element)element).getParent();
}

public boolean hasChildren(Object element) {
// TODO Auto-generated method stub
return getChildren(element).length > 0;
}

public Object[] getElements(Object inputElement) {
// TODO Auto-generated method stub
return ((Element)inputElement).elements().toArray();
}

public void dispose() {
// TODO Auto-generated method stub

}

public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// TODO Auto-generated method stub

}
}

class PlayerTreeLabelProvider implements ITableLabelProvider {
public static final int COLUMN_NAME = 0;
public static final int COLUMN_VALUE = 1;

public String getColumnText(Object element, int columnIndex) {
// TODO Auto-generated method stub
Element data = (Element) element;
System.out.println(data.asXML());
String text = "";
/*switch (columnIndex) {
case COLUMN_NAME:
text = data.attributeValue("name");
break;
case COLUMN_VALUE:
text = data.attributeValue("value");
break;
}*/

return text;
}

public void addListener(ILabelProviderListener listener) {
// TODO Auto-generated method stub

}

public void dispose() {
// TODO Auto-generated method stub

}

public boolean isLabelProperty(Object element, String property) {
// TODO Auto-generated method stub
return false;
}

public void removeListener(ILabelProviderListener listener) {
// TODO Auto-generated method stub

}

public Image getColumnImage(Object element, int columnIndex) {
// TODO Auto-generated method stub
return null;
}
}

...全文
139 7 打赏 收藏 转发到动态 举报
写回复
用AI写文章
7 条回复
切换为时间正序
请发表友善的回复…
发表回复
Dantin 2009-04-10
  • 打赏
  • 举报
 回复
你看行吗？
package test;



import org.eclipse.jface.viewers.ILabelProviderListener;

import org.eclipse.jface.viewers.ITableLabelProvider;

import org.eclipse.jface.viewers.ITreeContentProvider;

import org.eclipse.jface.viewers.TableTreeViewer;

import org.eclipse.jface.viewers.Viewer;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.TableColumn;



import org.dom4j.DocumentFactory;

import org.dom4j.Element;



public class TestFrameEx extends Shell {

public static Element element = null;

static {

element = DocumentFactory.getInstance().createElement("root");

Element f1 = element.addElement("folder");

f1.addAttribute("name", "folder1");

Element e1 = f1.addElement("data");

e1.addAttribute("name", "e1");

e1.addAttribute("value", "v1");

Element e2 = f1.addElement("data");

e2.addAttribute("name", "e2");

e2.addAttribute("value", "v2");

Element f2 = element.addElement("folder");

f2.addAttribute("name", "folder2");

Element e3 = f2.addElement("data");

e3.addAttribute("name", "e3");

e3.addAttribute("value", "v3");

Element e4 = f2.addElement("data");

e4.addAttribute("name", "e4");

e4.addAttribute("value", "v4");

}



/**

* Launch the application

* @param args

*/

public static void main(String args[]) {

try {

Display display = Display.getDefault();

TestFrameEx shell = new TestFrameEx(display, SWT.SHELL_TRIM);

shell.open();

shell.layout();

while (!shell.isDisposed()) {

if (!display.readAndDispatch())

display.sleep();

}

} catch (Exception e) {

e.printStackTrace();

}

}



/**

* Create the shell

* @param display

* @param style

*/

public TestFrameEx(Display display, int style) {

super(display, style);

createContents();

setLayout(new FillLayout());

}



/**

* Create contents of the window

*/

protected void createContents() {

setText("SWT Application");

setSize(500, 375);



final TableTreeViewer ttv = new TableTreeViewer(this, SWT.BORDER);

ttv.getTableTree().setLayoutData(new GridData(GridData.FILL_BOTH));



    // Set the content and label providers

    ttv.setContentProvider(new MyPlayerTreeContentProvider());

    ttv.setLabelProvider(new MyPlayerTreeLabelProvider());

    ttv.setInput(element);

   

    //final CellEditor[] cellEditors = new CellEditor[2];

    //cellEditors[1] = new TextCellEditor(ttv.getTableTree());

    /*ttv.setCellEditors(cellEditors);

    ttv.setColumnProperties(new String[]{"name", "value"});

    ttv.setCellModifier(new ICellModifier() {

public boolean canModify(Object element, String property) {

// TODO Auto-generated method stub

Element data = (Element)element;

if (data.getName().compareTo("folder") == 0) {

return false;

}

if (data.getName().compareTo("data") == 0) {

String strName = data.attributeValue("name");

if (strName.compareTo("e1") == 0) {

cellEditors[1] = new ComboBoxCellEditor(

ttv.getTableTree(), new String[]{"v1", "v5", "v6"});

}

if (property.compareTo("value") == 0)

return true;

}

return false;

}



public Object getValue(Object element, String property) {

// TODO Auto-generated method stub

Element data = (Element)element;

return data.attributeValue("value");

}



public void modify(Object element, String property, Object value) {

// TODO Auto-generated method stub

Item item = (Item) ((TreeColumn) element).getData();

if (item instanceof Element) {

((Element)item).setAttributeValue("value", value + "");

}

System.out.println(((Element)item).asXML());

}

    });*/



    // Set up the table

    TableColumn column1 = new TableColumn(ttv.getTableTree().getTable(), SWT.CENTER);

        column1.setText("Name");

        column1.setWidth(200);

        TableColumn column2 = new TableColumn(ttv.getTableTree().getTable(), SWT.CENTER);

        column2.setText("Value");

        column2.setWidth(200);

    //Expand everything

    ttv.expandAll();

    // Pack the columns

    for (int i = 0, n = ttv.getTableTree().getTable().getColumnCount(); i < n; i++) {

    ttv.getTableTree().getTable().getColumn(i).pack();

    }

    // Turn on the header and the lines

    ttv.getTableTree().getTable().setHeaderVisible(true);

    ttv.getTableTree().getTable().setLinesVisible(true);

    // Pack the window

    pack();

   

    ttv.reveal(ttv.getElementAt(0));

}



@Override

protected void checkSubclass() {

// Disable the check that prevents subclassing of SWT components

}

}



class MyPlayerTreeContentProvider implements ITreeContentProvider {

private static final Object[] EMPTY = new Object[] {};



public Object[] getChildren(Object parentElement) {

// TODO Auto-generated method stub

if (parentElement instanceof Element) {

Object[] objs = ((Element)parentElement).elements().toArray();

System.out.println(objs);

return objs;

}

return EMPTY;

}



public Object getParent(Object element) {

// TODO Auto-generated method stub

return ((Element)element).getParent();

}



public boolean hasChildren(Object element) {

// TODO Auto-generated method stub

return getChildren(element).length > 0;

}



public Object[] getElements(Object inputElement) {

// TODO Auto-generated method stub

return getChildren(inputElement);

}



public void dispose() {

// TODO Auto-generated method stub



}



public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

// TODO Auto-generated method stub



}

}



class MyPlayerTreeLabelProvider implements ITableLabelProvider {

public static final int COLUMN_NAME = 0;

public static final int COLUMN_VALUE = 1;



public String getColumnText(Object element, int columnIndex) {

// TODO Auto-generated method stub

Element data = (Element) element;

//System.out.println(data.asXML());

String text = "";

switch (columnIndex) {

case COLUMN_NAME:

text = data.attributeValue("name");

break;

case COLUMN_VALUE:

text = data.attributeValue("value");

break;

}



return text;

}



public void addListener(ILabelProviderListener listener) {

// TODO Auto-generated method stub



}



public void dispose() {

// TODO Auto-generated method stub



}



public boolean isLabelProperty(Object element, String property) {

// TODO Auto-generated method stub

return false;

}



public void removeListener(ILabelProviderListener listener) {

// TODO Auto-generated method stub



}



public Image getColumnImage(Object element, int columnIndex) {

// TODO Auto-generated method stub

return null;

}
xuchenxing 2009-04-07
  • 打赏
  • 举报
 回复
顶一下
createWang 2009-04-06
  • 打赏
  • 举报
 回复
楼主啊，代码太长了。没排版实在...

给个参考:http://www.cn-java.com/www1/?action-viewnews-itemid-2109
pang040328 2009-04-06
  • 打赏
  • 举报
 回复
好长啊
dongle2001 2009-04-06
  • 打赏
  • 举报
 回复
楼上大哥，我要用SWT做的，不是swing的。
dongle2001 2009-04-06
  • 打赏
  • 举报
 回复
楼上大哥，我要用SWT做的，不是swing的。
dongle2001 2009-04-05
  • 打赏
  • 举报
 回复
我这还有用TableTreeViewer实现的代码，那位能帮我把编辑部分的实现加上，先谢谢了。

package test;

import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TableTreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;

import org.dom4j.DocumentFactory;
import org.dom4j.Element;

public class TestFrameEx extends Shell {
public static Element element = null;
static {
element = DocumentFactory.getInstance().createElement("root");
Element f1 = element.addElement("folder");
f1.addAttribute("name", "folder1");
Element e1 = f1.addElement("data");
e1.addAttribute("name", "e1");
e1.addAttribute("value", "v1");
Element e2 = f1.addElement("data");
e2.addAttribute("name", "e2");
e2.addAttribute("value", "v2");
Element f2 = element.addElement("folder");
f2.addAttribute("name", "folder2");
Element e3 = f2.addElement("data");
e3.addAttribute("name", "e3");
e3.addAttribute("value", "v3");
Element e4 = f2.addElement("data");
e4.addAttribute("name", "e4");
e4.addAttribute("value", "v4");
}

/**
* Launch the application
* @param args
*/
public static void main(String args[]) {
try {
Display display = Display.getDefault();
TestFrameEx shell = new TestFrameEx(display, SWT.SHELL_TRIM);
shell.open();
shell.layout();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* Create the shell
* @param display
* @param style
*/
public TestFrameEx(Display display, int style) {
super(display, style);
createContents();
setLayout(new FillLayout());
}

/**
* Create contents of the window
*/
protected void createContents() {
setText("SWT Application");
setSize(500, 375);

final TableTreeViewer ttv = new TableTreeViewer(this, SWT.BORDER);
ttv.getTableTree().setLayoutData(new GridData(GridData.FILL_BOTH));

// Set the content and label providers
ttv.setContentProvider(new MyPlayerTreeContentProvider());
ttv.setLabelProvider(new MyPlayerTreeLabelProvider());
ttv.setInput(element);

//final CellEditor[] cellEditors = new CellEditor[2];
//cellEditors[1] = new TextCellEditor(ttv.getTableTree());
/*ttv.setCellEditors(cellEditors);
ttv.setColumnProperties(new String[]{"name", "value"});
ttv.setCellModifier(new ICellModifier() {
public boolean canModify(Object element, String property) {
// TODO Auto-generated method stub
Element data = (Element)element;
if (data.getName().compareTo("folder") == 0) {
return false;
}
if (data.getName().compareTo("data") == 0) {
String strName = data.attributeValue("name");
if (strName.compareTo("e1") == 0) {
cellEditors[1] = new ComboBoxCellEditor(
ttv.getTableTree(), new String[]{"v1", "v5", "v6"});
}
if (property.compareTo("value") == 0)
return true;
}
return false;
}

public Object getValue(Object element, String property) {
// TODO Auto-generated method stub
Element data = (Element)element;
return data.attributeValue("value");
}

public void modify(Object element, String property, Object value) {
// TODO Auto-generated method stub
Item item = (Item) ((TreeColumn) element).getData();
if (item instanceof Element) {
((Element)item).setAttributeValue("value", value + "");
}
System.out.println(((Element)item).asXML());
}
});*/

// Set up the table
TableColumn column1 = new TableColumn(ttv.getTableTree().getTable(), SWT.CENTER);
column1.setText("Name");
column1.setWidth(200);
TableColumn column2 = new TableColumn(ttv.getTableTree().getTable(), SWT.CENTER);
column2.setText("Value");
column2.setWidth(200);
//Expand everything
ttv.expandAll();
// Pack the columns
for (int i = 0, n = ttv.getTableTree().getTable().getColumnCount(); i < n; i++) {
ttv.getTableTree().getTable().getColumn(i).pack();
}
// Turn on the header and the lines
ttv.getTableTree().getTable().setHeaderVisible(true);
ttv.getTableTree().getTable().setLinesVisible(true);
// Pack the window
pack();

ttv.reveal(ttv.getElementAt(0));
}

@Override
protected void checkSubclass() {
// Disable the check that prevents subclassing of SWT components
}
}

class MyPlayerTreeContentProvider implements ITreeContentProvider {
private static final Object[] EMPTY = new Object[] {};

public Object[] getChildren(Object parentElement) {
// TODO Auto-generated method stub
if (parentElement instanceof Element) {
Object[] objs = ((Element)parentElement).elements().toArray();
System.out.println(objs);
return objs;
}
return EMPTY;
}

public Object getParent(Object element) {
// TODO Auto-generated method stub
return ((Element)element).getParent();
}

public boolean hasChildren(Object element) {
// TODO Auto-generated method stub
return getChildren(element).length > 0;
}

public Object[] getElements(Object inputElement) {
// TODO Auto-generated method stub
return getChildren(inputElement);
}

public void dispose() {
// TODO Auto-generated method stub

}

public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// TODO Auto-generated method stub

}
}

class MyPlayerTreeLabelProvider implements ITableLabelProvider {
public static final int COLUMN_NAME = 0;
public static final int COLUMN_VALUE = 1;

public String getColumnText(Object element, int columnIndex) {
// TODO Auto-generated method stub
Element data = (Element) element;
//System.out.println(data.asXML());
String text = "";
switch (columnIndex) {
case COLUMN_NAME:
text = data.attributeValue("name");
break;
case COLUMN_VALUE:
text = data.attributeValue("value");
break;
}

return text;
}

public void addListener(ILabelProviderListener listener) {
// TODO Auto-generated method stub

}

public void dispose() {
// TODO Auto-generated method stub

}

public boolean isLabelProperty(Object element, String property) {
// TODO Auto-generated method stub
return false;
}

public void removeListener(ILabelProviderListener listener) {
// TODO Auto-generated method stub

}

public Image getColumnImage(Object element, int columnIndex) {
// TODO Auto-generated method stub
return null;
}
}

算法技术手册 - 中文版
《算法技术手册》内容简介：开发健壮的软件需要高效的算法，然后程序员们往往直至问题发生之时，才会去求助于算法。《算法技术手册》讲解了许多现有的算法，可用于解决各种问题。通过阅读它，可以使您学会如何选择和...
mysql代码在哪书写_[求助]与数据库连接的代码写在什么地方？
[求助]与数据库连接的代码写在什么地方？我在界面上只添加了一个按钮和一个文本框，想实现的功能是：点击按钮后将SQL数据库中的数据显示在文本框中。请教：连接数据库的代码往哪里填写？谢谢！using System;using ...
求助帖子~这样的内联代码要怎么修改css样式?
这个是我的网站内部的一个代码，这样的内联代码要怎么修改css样式?我找了很多攻略都不行，求助大神们
求助，代码已经更改了但是执行代码还是之前错误的代码报错
求助
求助：如何批量修改代码
从别的地方复制的代码，但是其中的对象名、方法名等不是自己的，一行一行地改正太费时间，有没有办法批量修改？类似于word中的查找替换，将几段文字中的某个相同的字符统一替换成另外一个字符举例：别处借来复制的...
Java SE

62,614

社区成员

307,307

社区内容

发帖
与我相关
我的任务
社区描述
Java 2 Standard Edition
社区管理员
  • Java SE
加入社区
  • 近7日
  • 近30日
  • 至今

加载中

查看更多榜单
社区公告
暂无公告

试试用AI创作助手写篇文章吧

+ 用AI写文章