gfmprogdictionarycomposite.java

BPO作业管理系统DMP的插件

package com.cmspad.dmp.bundles.gfm.widget;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.LinkedHashMap;
import java.util.Map;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
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.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;

import com.cmspad.dmp.DMPBundle;
import com.cmspad.dmp.DMPPreferencesUI;
import com.cmspad.dmp.bundles.gfm.GFMActivator;
import com.cmspad.dmp.bundles.gfm.GFMProgDictionary;
import com.cmspad.dmp.util.DMPUtil;

public class GFMProgDictionaryComposite extends DMPPreferencesUI {

	private Text vText;
	
	private Button applyButton;
	
	private Button resetButton;
	
	private Text kText;

	private Table data;

	public GFMProgDictionaryComposite(Composite parent, long uid) {
		super(parent, SWT.NONE);
		final GridLayout gridLayout = new GridLayout();
		gridLayout.marginHeight = 0;
		gridLayout.marginWidth = 0;
		gridLayout.numColumns = 6;
		setLayout(gridLayout);

		final Label label = new Label(this, SWT.NONE);
		label.setText("名称");

		kText = new Text(this, SWT.BORDER);
		final GridData gd_kText = new GridData(SWT.FILL, SWT.CENTER, true, false);
		kText.setLayoutData(gd_kText);

		final Label label_1 = new Label(this, SWT.NONE);
		label_1.setText("程序");

		vText = new Text(this, SWT.BORDER);
		final GridData gd_vText = new GridData(SWT.FILL, SWT.CENTER, true, false);
		vText.setLayoutData(gd_vText);

		final Button button_3 = new Button(this, SWT.NONE);
		button_3.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);
				dialog.setText("选择应用程序");
				dialog.setFilterNames(new String[]{"应用程序"});
				dialog.setFilterExtensions(new String[]{"*.exe"});
				String path = dialog.open();
				if(path != null){
					vText.setText(path);
					if(kText.getText().length() == 0){
						File f = new File(path);
						String fn = f.getName();
						kText.setText(fn.substring(0, fn.length() - 4));
					}
				}
			}
		});
		button_3.setText("...");

		final Button button_4 = new Button(this, SWT.NONE);
		button_4.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				String k = kText.getText();
				String v = vText.getText();
				if (k.length() > 0 && v.length() > 0) {
					TableItem item = new TableItem(data, SWT.NONE);
					item.setText(new String[]{k, v.length() > 0?v:k});
					data.setTopIndex(data.getItemCount() - 1);
					kText.setText("");
					vText.setText("");
					resetButton.setEnabled(true);
					applyButton.setEnabled(true);
				}else{
					if(k.length() < 1){
						DMPUtil.error("错误", "请输入名称", getShell());
						kText.setFocus();
					}else if(v.length() < 1){
						DMPUtil.error("错误", "请选择程序", getShell());
						vText.setFocus();
					}
				}
			}
		});
		button_4.setLayoutData(new GridData(80, SWT.DEFAULT));
		button_4.setText("添加");

		data = new Table(this, SWT.FULL_SELECTION | SWT.MULTI | SWT.BORDER);
		data.setLinesVisible(true);
		data.setHeaderVisible(true);
		data.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 5, 3));

		final TableColumn column1 = new TableColumn(data, SWT.NONE);
		column1.setText("名称");
		
		final TableColumn column2 = new TableColumn(data, SWT.NONE);
		column2.setText("程序");
		
		// 自动改变字段长度
		addControlListener(new ControlAdapter() {
			public void controlResized(ControlEvent e) {
				Rectangle area = getClientArea();
				Point size = data.computeSize(SWT.DEFAULT, SWT.DEFAULT);
				ScrollBar vBar = data.getVerticalBar();
				int width = area.width - data.computeTrim(0, 0, 0, 0).width - vBar.getSize().x - 75;
				if (size.y > area.height + data.getHeaderHeight()) {
					Point vBarSize = vBar.getSize();
					width -= vBarSize.x;
				}
				int columnWidth = width / 2;
				column1.setWidth(columnWidth);
				column2.setWidth(columnWidth);
			}
		});
		
		final Button button = new Button(this, SWT.NONE);
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				int[] indices = data.getSelectionIndices();
				if(indices.length > 0){
					TableItem[] items = new TableItem[indices.length];
					StringBuffer text = new StringBuffer();
					for (int i = 0, l = indices.length; i < l; i++) {
						int index = indices[i];
						TableItem item = data.getItem(index);
						items[i] = item;
						text.append(item.getText());
						text.append("\n");
					}
					if (SWT.YES == DMPUtil.confirm("确认", "是否要删除下列程序？\n\n" + text.toString(), SWT.YES | SWT.NO)) {
						for (TableItem item : items) {
							item.dispose();
						}
						
						resetButton.setEnabled(true);
						applyButton.setEnabled(true);
					}
				}
			}
		});
		button.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
		button.setText("删除");

		final Button button_1 = new Button(this, SWT.NONE);
		button_1.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				importData();
			}
		});
		button_1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
		button_1.setText("导入");

		final Button button_2 = new Button(this, SWT.NONE);
		button_2.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				exportData();
			}
		});
		button_2.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
		button_2.setText("导出");

		resetButton = new Button(this, SWT.NONE);
		resetButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				refresh();
			}
		});
		final GridData gd_resetButton = new GridData(SWT.RIGHT, SWT.CENTER, false, false, 5, 1);
		gd_resetButton.widthHint = 80;
		resetButton.setLayoutData(gd_resetButton);
		resetButton.setText("重置");

		applyButton = new Button(this, SWT.NONE);
		applyButton.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {
				apply();
			}
		});
		final GridData gd_applyButton = new GridData(SWT.FILL, SWT.CENTER, false, false);
		applyButton.setLayoutData(gd_applyButton);
		applyButton.setText("应用");

		// 在线编辑表格内容
		final TableEditor editor = new TableEditor(data);
		editor.horizontalAlignment = SWT.LEFT;
		editor.grabHorizontal = true;
		data.addListener(SWT.MouseDoubleClick, new Listener() {
			public void handleEvent(Event event) {
				Rectangle clientArea = data.getClientArea();
				Point pt = new Point(event.x, event.y);
				int index = data.getTopIndex();
				while (index < data.getItemCount()) {
					boolean visible = false;
					final TableItem item = data.getItem(index);
					for (int i = 0; i < data.getColumnCount(); i++) {
						Rectangle rect = item.getBounds(i);
						if (rect.contains(pt)) {
							final int column = i;
							final Text text = new Text(data, SWT.NONE);
							Listener textListener = new Listener() {
								public void handleEvent(final Event e) {
									switch (e.type) {
										case SWT.FocusOut:
											String oldText = item.getText();
											String newText = text.getText();
											item.setText(column, newText);
											if(!oldText.equals(newText)){
												resetButton.setEnabled(true);
												applyButton.setEnabled(true);
											}
											text.dispose();
											break;
										case SWT.Traverse:
											switch (e.detail) {
												case SWT.TRAVERSE_RETURN:
													oldText = item.getText();
													newText = text.getText();
													item.setText(column, newText);
													if(!oldText.equals(newText)){
														resetButton.setEnabled(true);
														applyButton.setEnabled(true);
													}
												case SWT.TRAVERSE_ESCAPE:
													text.dispose();
													e.doit = false;
											}
											break;
									}
								}
							};
							text.addListener(SWT.FocusOut, textListener);
							text.addListener(SWT.Traverse, textListener);
							editor.setEditor(text, item, i);
							text.setText(item.getText(i));
							text.selectAll();
							text.setFocus();
							return;
						}
						if (!visible && rect.intersects(clientArea)) {
							visible = true;
						}
					}
					if (!visible)
						return;
					index++;
				}
			}
		});

		//
	}


	public void refresh() {
		data.removeAll();
		for(String key: GFMProgDictionary.keys()){
			String title = GFMProgDictionary.value(key);
			TableItem item = new TableItem(data, SWT.NONE);
			item.setText(new String[]{key, title});
		}
		resetButton.setEnabled(false);
		applyButton.setEnabled(false);
	}
	
	@Override
	protected void checkSubclass() {}

	private void apply() {
		Map<String, String> strings = new LinkedHashMap<String, String>();
		for (TableItem item : data.getItems()) {
			strings.put(item.getText(0), item.getText(1));
		}
		
		StringBuffer string = new StringBuffer();
		for(String k: strings.keySet()){
			String v = strings.get(k);
			string.append(k);
			string.append("=");
			string.append(v);
			string.append("\n");
		}
		DMPBundle.setPreference(GFMActivator.ID, GFMActivator.PREFS_PROG_DICTIONARY, string.length() > 0?string.substring(0, string.length() - 1):"");
		
		resetButton.setEnabled(false);
		applyButton.setEnabled(false);
		GFMProgDictionary.refresh();
	}

	private void importData() {
		Map<String, String> strings = new LinkedHashMap<String, String>();
		for (TableItem item : data.getItems()) {
			strings.put(item.getText(0), item.getText(1));
		}

		data.removeAll();

		FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);
		dialog.setText("请选择导入的文本文件(UTF-8编码)");
		String path = dialog.open();
		if (path != null) {
			try {
				BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(path), "UTF-8"));
				for (String line = reader.readLine(); line != null; line = reader.readLine()) {
					if (line.length() == 0) {
						continue;
					}
					String[] ts = DMPUtil.split(line, '=');
					strings.put(ts[0], ts.length > 1?ts[1]:ts[0]);
				}
				reader.close();
			} catch (IOException e) {
				DMPUtil.error("错误", "无法导入数据字典：" + e.getLocalizedMessage());
			}
		}

		for (String k : strings.keySet()) {
			String v = strings.get(k);
			TableItem item = new TableItem(data, SWT.NONE);
			item.setText(new String[]{k, v});
		}
		
		resetButton.setEnabled(true);
		applyButton.setEnabled(true);
	}

	private void exportData() {
		Map<String, String> strings = new LinkedHashMap<String, String>();
		for (TableItem item : data.getItems()) {
			strings.put(item.getText(0), item.getText(1));
		}

		FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
		dialog.setText("请选择导出的文本文件(UTF-8编码)");
		String path = dialog.open();
		if (path != null) {
			try {
				PrintWriter writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(path), "UTF-8"));
				for (String k : strings.keySet()) {
					String v = strings.get(k);
					writer.print(k);
					writer.print("=");
					writer.println(v);
				}
				writer.flush();
				writer.close();
			} catch (IOException e) {
				DMPUtil.error("错误", "无法导出数据字典：" + e.getLocalizedMessage());
			}
		}
	}
}