permislayout.java

一个完整的XACML工程,学习XACML技术的好例子!

/*
* Copyright (c) 2000-2005, University of Salford
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this 
* list of conditions and the following disclaimer.
* 
* Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation 
* and/or other materials provided with the distribution. 
*
* Neither the name of the University of Salford nor the names of its 
* contributors may be used to endorse or promote products derived from this 
* software without specific prior written permission. 
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
* POSSIBILITY OF SUCH DAMAGE.
*/

/*
 * PermisCreateGridBagLayout.java
 *
 * Created on 21 June 2004, 14:51
 */

package issrg.editor.gui;

/**
 *
 * @author  issrg
 */
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import javax.swing.JPanel;
import java.awt.Component;
import java.awt.Container;
import java.awt.Point;
import java.awt.Toolkit;
import javax.swing.JComponent;
import java.awt.Dimension;
import javax.swing.BoxLayout;
import javax.swing.Box;
import java.awt.Insets;

public class PermisLayout {
    private GridBagConstraints cst;
    private GridBagLayout grid;
    public static int fixSize = 10;
    private PermisPolicyEditorMain parent;
    /** Creates a new instance of PermisCreateGridBagLayout */
    public PermisLayout(PermisPolicyEditorMain parent) {
        this.parent = parent;
        this.grid = new GridBagLayout();
        this.cst = new GridBagConstraints();
    }
    
    
    public GridBagConstraints getGridConstaints( int x, //column
                                                 int y, //row
                                                 int w, // width
                                                 int h, //height
                                                 double wx, // grow x-direction 0 no growth
                                                 double wy,
                                                 int ipy,
                                                 int ipx) //grow y-direction
    {
        
        this.cst.gridx = x;
        this.cst.gridy = y;
       
        this.cst.gridwidth = w;
        this.cst.gridheight = h;
       
        this.cst.weightx = wx;
        this.cst.weighty = wy;
        
        this.cst.ipadx =ipx;
        this.cst.ipady =ipy;
        this.cst.fill = GridBagConstraints.HORIZONTAL;
        this.cst.insets = new Insets(2, 2, 2,2);
        return cst;
    }
    
public static void add(Container ct, JComponent c, GridBagLayout grid, 
			 GridBagConstraints gbc, int x, int y, int w, int h) {
    
    gbc.gridx = x;
    gbc.gridy = y;
    gbc.gridwidth = w;
    gbc.gridheight = h;
    grid.setConstraints(c, gbc);
    ct.add(c);
  }
public static void add(Container ct, JComponent c, GridBagLayout grid, 
			 GridBagConstraints gbc) {
    
   grid.setConstraints(c, gbc);
    ct.add(c);
  }
  public  void setLayout(Container ct){
      ct.setLayout(this.grid);
     
  }
    public static void setLocation(Component cm)
    {
        Point p = cm.getLocation();
        p.x += fixSize;
        p.y += fixSize;
        cm.setLocation(p);
    }
    
    public static void center(Component cm)
    {
        center(cm, cm.getSize());
    }
    
    public static void center(Component cm, Dimension me)
    {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        cm.setLocation(screenSize.width/2 - me.width/2,
                                              screenSize.height/2 -me.height/2);
    }
    
    public static void fixSize(Component cm)
    {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Point wPos = cm.getLocation();
        Dimension wSize = cm.getSize();
        if( wSize.width > screenSize.width){
            wSize.width = (int)screenSize.width/2;
        }
        if( wSize.height < 80){
            wSize.height = 80;
        }
        if( wSize.height >screenSize.height){
            wSize.height = (int)screenSize.height/2;
        }
        cm.setSize(wSize);
    }
     public Dimension getSize()
    {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        //Point wPos = cm.getLocation();
        Dimension wSize = null;
       // Dimension wframe =  parent.getframeSize();
       // wSize.width = wframe.width-fixSize;
       // wSize.height = wframe.height-fixSize;
        return wSize ;
    }
    
    /**************************************************************************\
     *                              createHorizontalLayout                    *
    \**************************************************************************/
    public Box createHorizontalLayout()
    {
        Box b = Box.createHorizontalBox();
        return b;
    }
    /**************************************************************************\
     *                             createVerticalLayout                       *
    \**************************************************************************/
    public Box createVerticalLayout()
    {
        Box b = Box.createVerticalBox();
        return b;
    }
     /**************************************************************************\
     *                             Constructor                                *
    \**************************************************************************/
    public void createGlue()
    {
        Box.createGlue();
        
    }
     /**************************************************************************\
     *                             Constructor                                *
    \**************************************************************************/
    public void addHorizontalStrut(int i)
    {
        Box.createHorizontalStrut(i);
        
    }
     /**************************************************************************\
     *                             Constructor                                *
    \**************************************************************************/
     public void addVerticalStrut(int i)
    {
        Box.createVerticalStrut(i);
        
    }
    
}