hibernatecontentsection.java

eclipse的hibernate插件,支持eclipse2.*版本

/*
 * 创建日期 2003-7-31
 *
 * 更改所生成文件模板为
 * 窗口 > 首选项 > Java > 代码生成 > 代码和注释
 */
package com.tanghan.plugin.hibernate.editor.formpages;

import java.util.List;
import java.util.Properties;
import java.util.ResourceBundle;

import org.apache.log4j.Logger;
import org.eclipse.pde.core.IEditable;
import org.eclipse.pde.core.IModel;
import org.eclipse.pde.core.IModelChangedEvent;
import org.eclipse.pde.internal.ui.editor.PDEFormPage;
import org.eclipse.pde.internal.ui.editor.PDEFormSection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.update.ui.forms.internal.FormEntry;
import org.eclipse.update.ui.forms.internal.FormWidgetFactory;

import com.tanghan.plugin.TanghanPlugin;
import com.tanghan.plugin.hibernate.editor.elements.ElementAttribute;
import com.tanghan.plugin.hibernate.editor.elements.HibernateElementAttributes;
import com.tanghan.plugin.hibernate.editor.elements.HibernateTreeObject;
import com.tanghan.util.DealString;
import com.tanghan.util.Log;

/**

 * @author Jerry Tang
 * @version v0.1.0
 * @copyright  (C) 2003 Tanghan Studio
 * 
 */
public class HibernateContentSection extends PDEFormSection {

	private static ResourceBundle res =
		TanghanPlugin.getDefault().getResourceBundle();
		
	private static Logger log = Log.getInstanse().getLogger(HibernateContentSection.class);
	
	HibernateTreeObject hibernateElemObject ;
	Composite container ;

	protected FormWidgetFactory factory;
	/**
	 * @param formPage
	 */
	public HibernateContentSection(PDEFormPage formPage,HibernateTreeObject hibernateElemObject) {
		super(formPage);
		this.hibernateElemObject = hibernateElemObject;
		setHeaderText(res.getString("Tanghan.Plugin.Hibernate.Edit.ElementSection.Title")); //$NON-NLS-1$
		setDescription(res.getString("Tanghan.Plugin.Hibernate.Edit.ElementSection.Description")); //$NON-NLS-1$
	}

	/* （非 Javadoc）
	 * @see org.eclipse.update.ui.forms.internal.FormSection#createClient(org.eclipse.swt.widgets.Composite, org.eclipse.update.ui.forms.internal.FormWidgetFactory)
	 */
	public Composite createClient(
		Composite parent,
		FormWidgetFactory factory) {

		this.factory = factory;
		container = factory.createComposite(parent);
		
		GridLayout layout = new GridLayout();
		layout.numColumns = 2;
		layout.marginHeight = 2;
		layout.marginWidth = 2;
		container.setLayout(layout);			
		createAttributesForm(container,factory);

		return container;
	}
	private void createAttributesForm(Composite parent,FormWidgetFactory factory){
		if(hibernateElemObject!=null && hibernateElemObject.getObject()!=null){
			final HibernateElementAttributes heAttr = (HibernateElementAttributes)hibernateElemObject.getObject();
		
			List attList = heAttr.getAllAttributes();
			final Properties prop = heAttr.getCurrentAttributes();
		
			for(int i=0;i<attList.size();i++){
				final ElementAttribute elemAtt = (ElementAttribute)attList.get(i);
				String value = DealString.trim(prop.getProperty(elemAtt.getAttributeName()));
	
				switch(elemAtt.getAttributeType()){
					case ElementAttribute.BOOLEAN:
					case ElementAttribute.ENUM:
						createCombo(container, elemAtt.getAttributeName(),factory ,1,SWT.SINGLE | SWT.BORDER,elemAtt);
						break;
					default:
						final Text txt = createText(container, elemAtt.getAttributeName(),factory ,1,SWT.SINGLE | SWT.BORDER);
						if(elemAtt.isRequired()){
							txt.setBackground(new Color(null,255,255,213));
						}
						txt.setText(value);
						txt.addModifyListener(new ModifyListener(){
							//String oldValue = "";
							public void modifyText(ModifyEvent e){
								if(!DealString.equals("",txt.getText())){ //$NON-NLS-1$
									heAttr.getCurrentAttributes().setProperty(elemAtt.getAttributeName(), DealString.trim(txt.getText()));
									heAttr.getElement().setAttribute(elemAtt.getAttributeName(), DealString.trim(txt.getText()));
								}else{
									heAttr.getCurrentAttributes().remove(elemAtt.getAttributeName());	
									heAttr.getElement().removeAttribute(elemAtt.getAttributeName());
								}
								forceDirty();
								log.debug("forceDirty(txt)"); //$NON-NLS-1$
							}
						});
						FormEntry titleText = new FormEntry(txt);
						break;
				}
			}			
			//FormEntry titleText = new FormEntry(createText(container, hibernateElemObject.getName(),factory ,1,SWT.SINGLE | SWT.BORDER));
		}
	
	}
	protected Combo createCombo(
		Composite parent,
		String label,
		FormWidgetFactory factory,
		int span,
		int style,final ElementAttribute elemAtt) {
		if((elemAtt.getAttributeType()!=ElementAttribute.BOOLEAN)&&(elemAtt.getAttributeType()!=ElementAttribute.ENUM)){
			return null;
		}
		final HibernateElementAttributes heAttr = (HibernateElementAttributes)hibernateElemObject.getObject();
		Label l = factory.createLabel(parent, label);
		if ((style & SWT.MULTI) != 0) {
			GridData gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
			l.setLayoutData(gd);
		}
		final Combo combo =  new Combo(parent, SWT.READ_ONLY|SWT.DROP_DOWN);
		if(!elemAtt.isRequired()){
			combo.add(""); //$NON-NLS-1$
		}
		for(int i=0;i<elemAtt.getEnumData().length;i++){
			combo.add(DealString.trim(elemAtt.getEnumData()[i]));
		}
		combo.setText(DealString.trim(elemAtt.getDefaultData()));
		
		int hfill =GridData.HORIZONTAL_ALIGN_FILL;
//			span == 1
//				? GridData.FILL_HORIZONTAL
//				: GridData.HORIZONTAL_ALIGN_FILL;
//		GridData gd = new GridData(hfill | GridData.VERTICAL_ALIGN_CENTER);
		GridData gd = new GridData( GridData.VERTICAL_ALIGN_CENTER);
		gd.horizontalSpan = span;
		combo.setLayoutData(gd);

		combo.addModifyListener(new ModifyListener(){
		//String oldValue = "";
		public void modifyText(ModifyEvent e){
			if(!DealString.equals("",combo.getText())){ //$NON-NLS-1$
				heAttr.getCurrentAttributes().setProperty(elemAtt.getAttributeName(), DealString.trim(combo.getText()));
				heAttr.getElement().setAttribute(elemAtt.getAttributeName(), DealString.trim(combo.getText()));
			}else{
				heAttr.getCurrentAttributes().remove(elemAtt.getAttributeName());	
				heAttr.getElement().removeAttribute(elemAtt.getAttributeName());
			}
			forceDirty();
			log.debug("forceDirty(combo)"); //$NON-NLS-1$
		}
	} );
		
		
		return combo;

	}
	public void forceDirty() {
		setDirty(true);
		HibernateCFForm form = (HibernateCFForm)getFormPage().getForm();
		form.getHibernateCFTreeSection().refreshTree(hibernateElemObject);
		IModel model = (IModel)getFormPage().getModel();
		if (model instanceof IEditable) {
			IEditable editable = (IEditable)model;
			editable.setDirty(true);
			getFormPage().getEditor().fireSaveNeeded();
		} 
	}
	

	/* (non-Javadoc)
	 * @see org.eclipse.update.ui.forms.internal.FormSection#dispose()
	 */
	public void dispose() {
		if ( !container.isDisposed() && !container.getParent().isDisposed() ) {
			container.getParent().dispose();
		} 
		super.dispose();
	}
	/* (non-Javadoc)
	 * @see org.eclipse.update.ui.forms.internal.FormSection#update()
	 */
	public void update() {
		super.update();
		this.reflow();
	}



	/* （非 Javadoc）
	 * @see org.eclipse.pde.core.IModelChangedListener#modelChanged(org.eclipse.pde.core.IModelChangedEvent)
	 */
	public void modelChanged(IModelChangedEvent e) {
		super.modelChanged(e);
		
	}

}