htmleditor.java

大家共享愉快, 共享愉快, 共享愉快, 共享愉快,共享愉快

		if (menu != null)
			menuBar.add(menu);

		// Add the alignment menu
		menu = buildMenu(Msg.getMsg(Env.getCtx(), "Align"), alignMenu, actions);
		if (menu != null) 
			menuBar.add(menu);

		// Add the HTML menu
		menu = buildMenu("HTML", htmlMenu, actions);
		if (menu != null)
			menuBar.add(menu);
			
		//	Add to Button Actions
		Action targetAction = (Action)actions.get("font-bold");
		bBold.addActionListener(targetAction);
		targetAction = (Action)actions.get("font-italic");
		bItalic.addActionListener(targetAction);
		targetAction = (Action)actions.get("font-underline");
		bUnderline.addActionListener(targetAction);
		
	}	//	createMenuBar
	
	/**
	 * 	Build Menu
	 *	@param name name
	 *	@param menuActions menu structure
	 *	@param actions lookup
	 *	@return menu
	 */
	private JMenu buildMenu(String name, HTMLEditor_MenuAction[] menuActions, Hashtable actions) 
	{
		JMenu menu = new JMenu(name);
		for (int i = 0; i < menuActions.length; i++) 
		{
			HTMLEditor_MenuAction item = menuActions[i];
			if (item.isSubMenu()) 		// Recurse to handle a sub menu
			{
				JMenu subMenu = buildMenu(item.getName(), item.getSubMenus(), actions);
				if (subMenu != null)
					menu.add(subMenu);
			}
			else if (item.isAction())	//	direct action
			{
				menu.add(item.getAction());
			} 
			else 						//	find it
			{
				String actionName = item.getActionName();
				Action targetAction = (Action)actions.get(actionName);
				// Create the menu item
				JMenuItem menuItem = menu.add(item.getName());
				if (targetAction != null)
					menuItem.addActionListener(targetAction);
				else	// Action not known - disable the menu item
					menuItem.setEnabled(false);
			}
		}	//	for all actions

		// Return null if nothing was added to the menu.
		if (menu.getMenuComponentCount() == 0)
			menu = null;

		return menu;
	}	//	buildMenu

	/**
	 *	Action Listener
	 *	@param e event
	 */
	public void actionPerformed (ActionEvent e)
	{
	//	log.fine("actionPerformed - Text:" + getHtmlText());
		//
		
		if (e.getSource() == bImport)
			cmd_import();
		else if (e.getSource() == bExport)
			cmd_export();
		//
		else if (e.getActionCommand().equals(ConfirmPanel.A_OK))
		{
			m_text = editorPane.getText();
			dispose();
		}
		else if (e.getActionCommand().equals(ConfirmPanel.A_CANCEL))
			dispose();
	}	//	actionPerformed

	/**
	 *	Import Text from File
	 */
	private void cmd_import()
	{
		JFileChooser jc = new JFileChooser();
		jc.setDialogTitle(Msg.getMsg(Env.getCtx(), "Import"));
		jc.setDialogType(JFileChooser.OPEN_DIALOG);
		jc.setFileSelectionMode(JFileChooser.FILES_ONLY);
		//
		if (jc.showOpenDialog(this) != JFileChooser.APPROVE_OPTION)
			return;

		StringBuffer sb = new StringBuffer();
		try
		{
			InputStreamReader in = new InputStreamReader (new FileInputStream (jc.getSelectedFile()));
			char[] cbuf = new char[1024];
			int count;
			while ((count = in.read(cbuf)) > 0)
				sb.append(cbuf, 0, count);
			in.close();
		}
		catch (Exception e)
		{
			log.log(Level.SEVERE, "HTMLEditor.import" + e.getMessage());
			return;
		}
		setHtmlText(sb.toString());
	}	//	cmd_import

	/**
	 *	Export Text to File
	 */
	private void cmd_export()
	{
		JFileChooser jc = new JFileChooser();
		jc.setDialogTitle(Msg.getMsg(Env.getCtx(), "Export"));
		jc.setDialogType(JFileChooser.SAVE_DIALOG);
		jc.setFileSelectionMode(JFileChooser.FILES_ONLY);
		//
		if (jc.showSaveDialog(this) != JFileChooser.APPROVE_OPTION)
			return;

		try
		{
			EditorKit kit = editorPane.getEditorKit();
			OutputStreamWriter writer = new OutputStreamWriter
				(new FileOutputStream (jc.getSelectedFile()));
			editorPane.write(writer);
			writer.flush();
			writer.close();
		}
		catch (Exception e)
		{
			log.log(Level.SEVERE, "HTMLEditor.export" + e.getMessage());
		}
	}	//	cmd_export


	/*************************************************************************
	 * 	Get Html Text
	 *	@return text
	 */
	public String getHtmlText()
	{
		return m_text;
	}	//	getHTMLText

	/**
	 * 	Set Html Text
	 *	@param htmlText
	 */
	public void setHtmlText (String htmlText)
	{
		m_text = htmlText;
		editorPane.setText(htmlText);
	}	//	setHTMLText

	/**************************************************************************
	 * 	Test 
	 *	@param args ignored
	 */
	public static void main (String[] args)
	{
		Compiere.startupEnvironment(true);
		JFrame frame = new JFrame("test");
		frame.setVisible(true);
		String text = "<html><p>this is a line<br>with <b>bold</> info</html>";
		int i = 0;
		while (true)
		{
			HTMLEditor ed = new HTMLEditor (frame, "heading " + ++i, text, true);
			text = ed.getHtmlText();
		}
	}	//	main

}	//	HTMLEditor

/******************************************************************************
 * 	HTML Editor Menu Action
 */
class HTMLEditor_MenuAction 
{
	public HTMLEditor_MenuAction(String name, HTMLEditor_MenuAction[] subMenus) 
	{
		m_name = name;
		m_subMenus = subMenus;
	}

	public HTMLEditor_MenuAction(String name, String actionName) 
	{
		m_name = name;
		m_actionName = actionName;
	}

	public HTMLEditor_MenuAction(String name, Action action) 
	{
		m_name = name;
		m_action = action;
	}

	private String 			m_name;
	private String 			m_actionName;
	private Action 			m_action;
	private HTMLEditor_MenuAction[] 	m_subMenus;


	public boolean isSubMenu() 
	{
		return m_subMenus != null;
	}

	public boolean isAction() 
	{
		return m_action != null;
	}

	public String getName() 
	{
		return m_name;
	}

	public HTMLEditor_MenuAction[] getSubMenus() 
	{
		return m_subMenus;
	}

	public String getActionName() 
	{
		return m_actionName;
	}

	public Action getAction() 
	{
		return m_action;
	}

}	//	MenuAction