xmltextpanel.java

jawe的最新版本,基于Java的图形化工作流编辑器。图形化工作流编辑器 。使用JAVA语言开发

package org.enhydra.jawe.base.panel.panels;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import javax.swing.Box;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

import org.enhydra.jawe.ResourceManager;
import org.enhydra.jawe.Settings;
import org.enhydra.jawe.base.panel.PanelContainer;
import org.enhydra.jawe.base.panel.PanelSettings;
import org.enhydra.shark.xpdl.XMLElement;

/**
* Creates panel with JLabel and JTextField.
* @author Sasa Bojanic
*/
public class XMLTextPanel extends XMLBasicPanel {

   protected JLabel jl;
   protected JTextField jtf;
   
   public XMLTextPanel (
         PanelContainer pc,
         XMLElement myOwnerL,
         boolean isVertical,
         boolean isPasswordField,
         boolean isEnabled) {

      this(pc, myOwnerL, null, isVertical, isPasswordField, isEnabled);
   }
   
   public XMLTextPanel (
                           PanelContainer pc,
                           XMLElement myOwnerL,
                           String label,
                           boolean isVertical,
                           boolean isPasswordField,
                           boolean isEnabled) {
      
      super(pc,myOwnerL,"",isVertical,false,true);

      boolean rightAllignment=false;
      Dimension textDim=new Dimension(250, 20);
      
      Color bkgCol=new Color(245,245,245);
      
      if (pc!=null) {
         Settings settings=pc.getSettings();
      
         rightAllignment = settings.getSettingBoolean("XMLBasicPanel.RightAllignment"); 

         textDim=new Dimension(
            settings.getSettingInt("SimplePanelTextWidth"), 
            settings.getSettingInt("SimplePanelTextHeight"));

         if (settings instanceof PanelSettings) {
            bkgCol=((PanelSettings)settings).getBackgroundColor();
         }
         
      }
      if (label==null) {
         if (pc!=null) {
            label=pc.getLabelGenerator().getLabel(myOwner);
         } else {
            label=ResourceManager.getLanguageDependentString(myOwner.toName()+"Key");
         }         
      }
      jl=new JLabel(label+": " );
      jl.setAlignmentX(Component.LEFT_ALIGNMENT);
      jl.setAlignmentY(Component.BOTTOM_ALIGNMENT);
      if (rightAllignment) {
         jl.setHorizontalAlignment(SwingConstants.RIGHT);
      } else {
         jl.setHorizontalAlignment(SwingConstants.LEFT);
      }

      if (!isPasswordField) {
         jtf=new JTextField();
      } else {
         jtf=new JPasswordField();
      }
      jtf.setText(myOwner.toValue());
      jtf.setAlignmentX(Component.LEFT_ALIGNMENT);
      jtf.setAlignmentY(Component.BOTTOM_ALIGNMENT);
      jtf.setMinimumSize(new Dimension(textDim));
      jtf.setMaximumSize(new Dimension(textDim));
      jtf.setPreferredSize(new Dimension(textDim));
      
      jtf.setEnabled( isEnabled );

      jtf.setBackground(bkgCol);

      if (rightAllignment && !isVertical) {
         add(Box.createHorizontalGlue());
      }
      add(jl);
      if (!rightAllignment && !isVertical) {
          //add(Box.createRigidArea(new Dimension(200-jl.getPreferredSize().width,1)));
          add(Box.createHorizontalGlue());
      }
      add(jtf);
      
      final XMLPanel p=this;
      //add key listener
      jtf.addKeyListener(new KeyAdapter() {
          public void keyPressed(KeyEvent e) {
             if (getPanelContainer()==null) return; 
             if (PanelUtilities.isModifyingEvent(e)) {
                getPanelContainer().panelChanged(p, e);
             }
          }          
      });      
   }

   public boolean validateEntry () {
      if (isEmpty() && getOwner().isRequired() && !getOwner().isReadOnly()) {

         XMLBasicPanel.defaultErrorMessage(this.getWindow(),jl.getText());
         jtf.requestFocus();
         return false;
      }
      return true;
   }

   public boolean isEmpty () {
      return getText().trim().equals("");
   }

   public void setElements () {
      if (!getOwner().isReadOnly()) {
         getOwner().setValue(getText().trim());
      }
   }

   public String getText () {
      return jtf.getText();
   }

   public Object getValue () {
      return getText();
   }
   
   public void requestFocus () {
      jtf.requestFocus();
   }
   
}