多项编者页的学习应用
package com.easyway.plugin.dev.editors.ui.editors;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.CollectionUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.editors.text.TextEditor;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.MultiPageEditorPart;
import com.easyway.plugin.dev.editors.core.CopyUtils;
import com.easyway.plugin.dev.editors.core.Env;
import com.easyway.plugin.dev.editors.ui.listener.MultiPageEditorListener;
import com.easyway.plugin.dev.editors.ui.providers.PropertyContentProvider;
import com.easyway.plugin.dev.editors.ui.providers.PropertyLabelProvider;
/**
* 自定义属性编辑器的应用:
* 页面1:采用文本编辑器编辑属性信息
* 页面2：采用组件编辑属性信息
* @author longgangbai
*
*/
public class MultiPageEditor extends MultiPageEditorPart implements IResourceChangeListener{
public TextEditor getEditor() {
return editor;
}
public void setEditor(TextEditor editor) {
this.editor = editor;
}
public List<Map<String,String>> getPropsMap() {
return propsMap;
}
public void setPropsMap(List<Map<String,String>> propsMap) {
this.propsMap = propsMap;
}
public TableViewer getTableViewer() {
return tableViewer;
}
public void setTableViewer(TableViewer tableViewer) {
this.tableViewer = tableViewer;
}
public Table getTable() {
return table;
}
public void setTable(Table table) {
this.table = table;
}
public Button getBtnAdd() {
return btnAdd;
}
public void setBtnAdd(Button btnAdd) {
this.btnAdd = btnAdd;
}
public Button getBtnDelete() {
return btnDelete;
}
public void setBtnDelete(Button btnDelete) {
this.btnDelete = btnDelete;
}
public Button getBtnUpdate() {
return btnUpdate;
}
public void setBtnUpdate(Button btnUpdate) {
this.btnUpdate = btnUpdate;
}
/** 文本编辑页面 */
private TextEditor editor;
/** 手动添加操作属性信息*/
List<Map<String,String>> propsMap=new ArrayList<Map<String,String>>();
private TableViewer tableViewer;
private Table table;
private Button btnAdd;
private Button btnDelete;
private Button btnUpdate;
/**
* Creates a multi-page editor example.
*/
public MultiPageEditor() {
super();
ResourcesPlugin.getWorkspace().addResourceChangeListener(this);
}
/**
* 创建文本的属性编辑器
*/
void createTextPropertyEidtors() {
try {
editor = new TextEditor();
int index = addPage(editor, getEditorInput());
setPageText(index, editor.getTitle());
} catch (PartInitException e) {
ErrorDialog.openError(
getSite().getShell(),
"文本编辑器初始化错误 ！",
null,
e.getStatus());
}
}
/**
* 属性的编辑组件
*/
void createPropertyEidtorPage() {
Composite container = new Composite(getContainer(), SWT.NONE);
container.setLayout(new GridLayout(2, false));
{
{
tableViewer = new TableViewer(container, SWT.BORDER | SWT.FULL_SELECTION);
table = tableViewer.getTable();
{
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
gridData.widthHint = 300;
table.setLayoutData(gridData);
}
}
{
Composite btnComposite = new Composite(container, SWT.NONE);
btnComposite.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
btnComposite.setLayout(new GridLayout(1, false));
btnAdd=new Button(btnComposite,SWT.NONE);
btnAdd.setText("添加");
btnUpdate=new Button(btnComposite,SWT.NONE);
btnUpdate.setText("编辑");
btnDelete=new Button(btnComposite,SWT.NONE);
btnDelete.setText("删除");
}
}
int index = addPage(container);
setPageText(index, "属性文件");
}
/**
* 添加创建所有的编辑页面
*/
protected void createPages() {
//构建文本编辑页面
createTextPropertyEidtors();
//构建属性编辑页面
createPropertyEidtorPage();
/**
* 设置TableViewer的内容
*/
setContentTableViewer();
//绑定监听信息
new MultiPageEditorListener().setPageListener(this);
}
/**
* 设置TableViewer的内容
*/
private void setContentTableViewer() {
//绑定相关的模型
TableColumn keyColumn = new TableColumn(table, SWT.CENTER);
keyColumn.setResizable(true);
keyColumn.setText("属性名称 ");
keyColumn.setWidth(150);
TableColumn valueColumn = new TableColumn(table, SWT.CENTER);
valueColumn.setResizable(true);
valueColumn.setText(" 属 性 值 ");
valueColumn.setWidth(150);
table.setLinesVisible(true);
table.setHeaderVisible(true);
tableViewer.setColumnProperties(new String[]{Env.PROPERTY_KEY,Env.PROPERTY_VALUE});
tableViewer.setLabelProvider(new PropertyLabelProvider());
tableViewer.setContentProvider(new PropertyContentProvider());
tableViewer.setInput(propsMap);
}
/**
* The <code>MultiPageEditorPart</code> implementation of this
* <code>IWorkbenchPart</code> method disposes all nested editors.
* Subclasses may extend.
*/
public void dispose() {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
super.dispose();
}
/**
* Saves the multi-page editor's document.
*/
public void doSave(IProgressMonitor monitor) {
getEditor(0).doSave(monitor);
}
/**
* Saves the multi-page editor's document as another file.
* Also updates the text for page 0's tab, and updates this multi-page editor's input
* to correspond to the nested editor's.
*/
public void doSaveAs() {
IEditorPart editor = getEditor(0);
editor.doSaveAs();
setPageText(0, editor.getTitle());
setInput(editor.getEditorInput());
}
/* (non-Javadoc)
* Method declared on IEditorPart
*/
public void gotoMarker(IMarker marker) {
setActivePage(0);
IDE.gotoMarker(getEditor(0), marker);
}
/**
* The <code>MultiPageEditorExample</code> implementation of this method
* checks that the input is an instance of <code>IFileEditorInput</code>.
*/
public void init(IEditorSite site, IEditorInput editorInput)
throws PartInitException {
if (!(editorInput instanceof IFileEditorInput))
throw new PartInitException("Invalid Input: Must be IFileEditorInput");
super.init(site, editorInput);
}
/* (non-Javadoc)
* Method declared on IEditorPart.
*/
public boolean isSaveAsAllowed() {
return true;
}
/**
* Calculates the contents of page 2 when the it is activated.
*/
protected void pageChange(int newPageIndex) {
try {
super.pageChange(newPageIndex);
IFile ifile=((FileEditorInput)editor.getEditorInput()).getFile();
String fileName=editor.getEditorInput().getName();
File file=new File(fileName);
String ecoding=ifile.getCharset();
CopyUtils.copy(ifile.getContents(), new FileOutputStream(file));
if(newPageIndex==0){
Env.WritePropertesFile(propsMap, file);
}else if(newPageIndex==1){
propsMap=Env.getPropertyMaps(file);
if(CollectionUtils.isNotEmpty(propsMap))
{
tableViewer.setInput(propsMap);
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (CoreException e) {
e.printStackTrace();
}
}
/**
* Closes all project files on project close.
*/
public void resourceChanged(final IResourceChangeEvent event){
if(event.getType() == IResourceChangeEvent.PRE_CLOSE){
Display.getDefault().asyncExec(new Runnable(){
public void run(){
IWorkbenchPage[] pages = getSite().getWorkbenchWindow().getPages();
for (int i = 0; i<pages.length; i++){
if(((FileEditorInput)editor.getEditorInput()).getFile().getProject().equals(event.getResource())){
IEditorPart editorPart = pages[i].findEditor(editor.getEditorInput());
pages[i].closeEditor(editorPart,true);
}
}
}
});
}
}
}
我的异常网推荐解决方案：org.eclipse.core.runtime.CoreException,http://www..net/eclipse/org.eclipse.core.runtime.CoreException.html