vpanel.java

Java写的ERP系统

/******************************************************************************
 * The contents of this file are subject to the   Compiere License  Version 1.1
 * ("License"); You may not use this file except in compliance with the License
 * You may obtain a copy of the License at http://www.compiere.org/license.html
 * Software distributed under the License is distributed on an  "AS IS"  basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 * The Original Code is                  Compiere  ERP & CRM  Business Solution
 * The Initial Developer of the Original Code is Jorg Janke  and ComPiere, Inc.
 * Portions created by Jorg Janke are Copyright (C) 1999-2001 Jorg Janke, parts
 * created by ComPiere are Copyright (C) ComPiere, Inc.;   All Rights Reserved.
 * Contributor(s): ______________________________________.
 *****************************************************************************/
package org.compiere.grid;

import java.awt.*;
import java.net.*;
import javax.swing.*;
import javax.swing.border.*;

import org.compiere.grid.ed.*;
import org.compiere.util.*;
import org.compiere.plaf.*;
import org.compiere.swing.*;

/**
 *  Single Row Panel.
 *  Called from GridController
 *  <pre>
 *	Structure
 *		this (CPanel - Group Bag Layout)
 *			group
 *			label - field
 *
 *  Spacing:
 *  -------------------
 *  Total Top = 10+2
 *  Total Right = 0+12
 *  Total Left = 0+12
 *  Total Bottom = 3+9
 *  -------------------
 *       2
 *  12 Label 0+5 Field 0
 *       3+2=5
 *  12 Label 0+5 Field 0
 *       3
 *
 *  </pre>
 *  @author 	Jorg Janke
 *  @version 	$Id: VPanel.java,v 1.10 2002/07/13 04:24:47 jjanke Exp $
 */
public final class VPanel extends CPanel
{
	/**
	 *	Constructor
	 */
	public VPanel()
	{
		super(new GridBagLayout());
		setName("VPanel");
		setBorder(null);

		//	Set initial values of constraint
		m_gbc.anchor = GridBagConstraints.NORTHWEST;
		m_gbc.gridy = 0;			//	line
		m_gbc.gridx = 0;
		m_gbc.gridheight = 1;
		m_gbc.gridwidth = 1;
		m_gbc.insets = m_zeroInset;
		m_gbc.fill = GridBagConstraints.HORIZONTAL;
		m_gbc.weightx = 0;
		m_gbc.weighty = 0;
		m_gbc.ipadx = 0;
		m_gbc.ipady = 0;
	}	//	VPanel

	/** GridBag Constraint      */
	private GridBagConstraints	m_gbc = new GridBagConstraints();

	/** Orientation             */
	private final boolean       m_leftToRight = Language.getLanguage().isLeftToRight();
	/** Label Inset             */
	private final Insets 		m_labelInset =
		m_leftToRight ? new Insets(2,12,3,0) : new Insets(2,5,3,0);     // 	top,left,bottom,right
	/** Field Inset             */
	private final Insets 		m_fieldInset =
		m_leftToRight ? new Insets(2,5,3,0)  : new Insets(2,12,3,0);	// 	top,left,bottom,right
	/** Zero Inset              */
	private final Insets 		m_zeroInset = new Insets(0,0,0,0);
	//
	private int 				m_line = 0;
	private boolean 			m_hGapAdded = false;					//	only once
	/** Previous Field Group Header     */
	private String              m_oldFieldGroup = null;


	/**
	 *	Add Field and Label to Panel
	 *  @param label label
	 *  @param editor editor
	 *  @param isSameLine same line
	 *  @param isLongField long field
	 *  @param displayType display type
	 *  @param groupName group name
	 */
	public void addField (JLabel label, VEditor editor,
		boolean isSameLine, boolean isLongField, int displayType, String groupName)
	{
		if (label == null && editor == null)
			return;

		boolean sameLine = isSameLine;
		if (addGroup(groupName))               		//	sets top
			sameLine = false;

		if (sameLine)    							//	Set line #
			m_gbc.gridy = m_line-1;
		else
			m_gbc.gridy = m_line++;

		//	*** The Label ***
		if (label != null)
		{
			m_gbc.gridwidth = 1;
			m_gbc.insets = m_labelInset;
			m_gbc.fill = GridBagConstraints.HORIZONTAL;	//	required for right justified
			//	Set column #
			if (m_leftToRight)
				m_gbc.gridx = sameLine ? 2 : 0;
			else
				m_gbc.gridx = sameLine | isLongField ? 3 : 1;
			//	Weight factor for Label
			m_gbc.weightx = 0;
			//  Add Label
			this.add(label, m_gbc);
		}

		//	*** The Field ***
		if (editor != null)
		{
			Component field = (Component)editor;
			//	Default Width
			m_gbc.gridwidth = isLongField ? 3 : 1;
			m_gbc.insets = m_fieldInset;
		//	m_gbc.fill = GridBagConstraints.NONE;
			m_gbc.fill = GridBagConstraints.HORIZONTAL;
			//	Set column #
			if (m_leftToRight)
				m_gbc.gridx = sameLine ? 3 : 1;
			else
				m_gbc.gridx = sameLine ? 2 : 0;
			//	Weight factor for Fields
			m_gbc.weightx = 1;
			//	Add Field
			this.add(field, m_gbc);
			//	Link Label to Field
			if (label != null)
				label.setLabelFor(field);
		}


		//	ADebug.trace(ADebug.l5_DData, m_cField[i].m_mField.ColumnName
		//		+ " \t line="+ gbc.gridy + " column="+gbc.gridx
		//		+ " width="+gbc.gridwidth);
	}	//	addField

	/**
	 *	Add Group
	 *  @param fieldGroup field group
	 *  @return true if group added
	 */
	private boolean addGroup(String fieldGroup)
	{
		//	First time - add top
		if (m_oldFieldGroup == null)
		{
			addTop();
			m_oldFieldGroup = "";
		}

		if (fieldGroup == null || fieldGroup.length() == 0 || fieldGroup.equals(m_oldFieldGroup))
			return false;
		m_oldFieldGroup = fieldGroup;

		CPanel group = new CPanel();
		group.setBorder(new VLine(fieldGroup));
		group.add(Box.createVerticalStrut(VLine.SPACE));
		m_gbc.gridx = 0;
		m_gbc.gridy = m_line++;
		m_gbc.gridwidth = 4;
		this.add(group, m_gbc);
		//	reset
		m_gbc.gridwidth = 1;
		return true;
	}	//	addGroup

	/**
	 *	Add Top (10) and right (12) gap
	 */
	private void addTop()
	{
		//	Top Gap
		m_gbc.gridy = m_line++;
		this.add(Box.createVerticalStrut(10), m_gbc);    	//	top gap
		//	Right gap
		m_gbc.gridx = 4;									//	5th column
		m_gbc.gridwidth = 1;
		m_gbc.weightx = 0;
		m_gbc.insets = m_zeroInset;
		m_gbc.fill = GridBagConstraints.NONE;
		this.add(Box.createHorizontalStrut(12), m_gbc);
	}	//	addTop

	/**
	 *	Add End (9) of Form
	 */
	public void addEnd()
	{
		m_gbc.gridx = 0;
		m_gbc.gridy = m_line;
		m_gbc.gridwidth = 1;
		m_gbc.insets = m_zeroInset;
		m_gbc.fill = GridBagConstraints.HORIZONTAL;
		m_gbc.weightx = 0;
		//
		this.add(Box.createVerticalStrut(9), m_gbc);		//	botton gap
	}	//	addEnd

	/*************************************************************************/

	/**
	 *  Set Background to AD_Color_ID (nop)
	 *  @param AD_Color_ID Color
	 */
	public void setBackground (int AD_Color_ID)
	{
	}   //  setBackground

}	//	VPanel