coursedialog.java

学生成绩管理系统 eclipse rcp开发 swt技术

package com.zdh.sms.system;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;

import com.zdh.sms.model.Course;


//包含所有课程的对话框
public class CourseDialog extends Dialog {
	private Combo combo;
	private Course course;

	public CourseDialog(Shell parentShell) {
		super(parentShell);
	}

	protected Control createDialogArea(Composite parent) {
		Composite topComp = new Composite(parent, SWT.NONE);
		topComp.setLayoutData(new GridData(GridData.FILL_BOTH));
		topComp.setLayout(new FillLayout());
		// 得到一个包含所有课程记录的Combo
		combo = SmsUtil.createCourseCombo(topComp, SWT.BORDER | SWT.READ_ONLY);
		// 如果课程course属性有值，则将combo当前项设为此值，否则设第一项
		if (course == null)
			combo.select(0);
		else
			combo.setText(course.getName());
		return topComp;
	}

	protected void buttonPressed(int buttonId) {
		if (buttonId == IDialogConstants.OK_ID) {
			String sel = combo.getText();
			course = (Course) combo.getData(sel);
		}
		super.buttonPressed(buttonId);
	}

	public Course getCourse() {
		return course;
	}

	public void setCourse(Course course) {
		this.course = course;
	}
}