entitymodelfileeditor.java

基于eclipse的工具开发代码

package com.cownew.studio.modelDev.editors;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.editors.text.TextEditor;
import org.eclipse.ui.part.MultiPageEditorPart;
import org.eclipse.ui.views.properties.IPropertySheetPage;
import org.eclipse.ui.views.properties.PropertySheetEntry;
import org.eclipse.ui.views.properties.PropertySheetPage;

import com.cownew.studio.modelDev.common.CommonUtils;
import com.cownew.studio.modelDev.common.properties.SeqSortPropertySheetPage;

public class EntityModelFileEditor extends MultiPageEditorPart 
{

	private TextEditor textEditor;

	private ConfigPartEditor graphicEditor;

	void createTextEditorPage()
	{
		try
		{
			textEditor = new TextEditor();
			int index = addPage(textEditor, getEditorInput());
			setPageText(index, textEditor.getTitle());
		} catch (PartInitException e)
		{
			CommonUtils.handleExceptionAndAbort(e);
		}
	}

	void createConfigPage()
	{
		try
		{
			graphicEditor = new ConfigPartEditor();
			int index = addPage(graphicEditor, getEditorInput());
			setPageText(index, graphicEditor.getTitle());
		} catch (PartInitException e)
		{
			CommonUtils.handleExceptionAndAbort(e);
		}
	}

	protected void createPages()
	{
		createConfigPage();
		createTextEditorPage();
	}

	public void doSave(IProgressMonitor monitor)
	{
		graphicEditor.doSave(monitor);
	}

	public void doSaveAs()
	{
		graphicEditor.doSaveAs();
		setPageText(0, graphicEditor.getTitle());
		setInput(graphicEditor.getEditorInput());
	}

	@Override
	protected void pageChange(int newPageIndex)
	{
		super.pageChange(newPageIndex);
		if (newPageIndex == 0)
		{
			if (isDirty())
			{
				graphicEditor.loadDocument();
			}
		}
	}

	public void init(IEditorSite site, IEditorInput editorInput)
			throws PartInitException
	{
		super.init(site, editorInput);
		IFileEditorInput fileinput = (IFileEditorInput) editorInput;
		IFile file = fileinput.getFile();
		setPartName(file.getName());
	}

	public boolean isSaveAsAllowed()
	{
		return false;
	}

	@Override
	public Object getAdapter(Class adapter)
	{
		if (adapter == IPropertySheetPage.class)
		{
			PropertySheetPage page = new SeqSortPropertySheetPage();
			// 下边这句话非常必要,如果不设置,Properties View更新时候,资源不能自动更新...
			page.setRootEntry(new PropertySheetEntry());
			return page;
		}

		return super.getAdapter(adapter);
	}

}