/**
 * @作者：陳剛
 * @Email：glchengang@yeah.net
 * @Blog：http://blog.csdn.net/glchengang
 */
package jface.tableviewer;

import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;

public class TableViewer3 {
    public static void main(String[] args) {
        TableViewer3 window = new TableViewer3();
        window.open();
    }

    private TableViewer tv; //定義一個表格對象

    public void open() {
        final Display display = new Display();
        final Shell shell = new Shell();
        shell.setSize(500, 150);
        shell.setText("TableViewer的實例");

        shell.setLayout(new FillLayout());
        createTableViewer(shell);
        tv.setContentProvider(new TableViewerContentProvider());
        tv.setLabelProvider(new TableViewerLabelProvider());
        tv.setInput(PeopleFactory.getPeoples());
        addListener();
        //生成一個ActionGroup對象
        MyActionGroup actionGroup = new MyActionGroup(tv);
        //調用fillContextMenu方法將按鈕注入到菜單對象中
        actionGroup.fillContextMenu(new MenuManager());
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
    }

    /**
     * 創建表格
     */
    private void createTableViewer(Composite parent) {
        /*
         * 第一步：定義一個TableViewer對象。式樣：MULTI可多選、H_SCROLL有水平
         * 滾動條、V_SCROLL有垂直滾動條、BORDER有邊框、FULL_SELECTION整行選擇
         */
        tv = new TableViewer(parent, SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
        /*
         * 第二步：通過TableViewer中的Table對其布局
         */
        Table table = tv.getTable();
        table.setHeaderVisible(true); //顯示表頭
        table.setLinesVisible(true); //顯示表格線
        TableLayout tLayout = new TableLayout(); //專用于表格的布局
        table.setLayout(tLayout);
        /*
         * 第三步：建立TableViewer中的列
         */
        tLayout.addColumnData(new ColumnWeightData(10));//設置ID列的列寬為10像素
        new TableColumn(table, SWT.NONE).setText("ID號");
        tLayout.addColumnData(new ColumnWeightData(40));
        new TableColumn(table, SWT.NONE).setText("姓名");
        tLayout.addColumnData(new ColumnWeightData(20));
        new TableColumn(table, SWT.NONE).setText("性別");
        tLayout.addColumnData(new ColumnWeightData(20));
        new TableColumn(table, SWT.NONE).setText("年齡");
        tLayout.addColumnData(new ColumnWeightData(60));
        new TableColumn(table, SWT.NONE).setText("記錄建立時間");

    }

    /**
     * 添加監聽器
     */
    private void addListener() {
        /*
         * tv的鼠標雙擊事件監聽
         */
        tv.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                IStructuredSelection selection = (IStructuredSelection) event.getSelection();
                //得到記錄的實體對象（要類型轉換）
                PeopleEntity o = (PeopleEntity) selection.getFirstElement();
                //一個彈出提示框
                MessageDialog.openInformation(null, "提示", o.getName());
            }
        });
        /*
         * tv的選擇事件（單擊）監聽
         */
        tv.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                //-------事件處理代碼。。。。。（省略）
            }
        });
    }
}