Changeset 22185 for main/trunk/greenstone3/src/java/org/greenstone/admin/guiext/Option.java

Timestamp:

2010-05-27T16:29:00+12:00 (14 years ago)

Author:

sjm84

Message:

Added password, browsing and checking functionality as well as some basic extension state checking

File:

• main/trunk/greenstone3/src/java/org/greenstone/admin/guiext/Option.java (modified) (6 diffs)

main/trunk/greenstone3/src/java/org/greenstone/admin/guiext/Option.java

@@ -1 +1 @@
 package org.greenstone.admin.guiext;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+
+import javax.swing.ImageIcon;
+import javax.swing.JTable;
+
+import org.greenstone.admin.GAI;
 
 import org.w3c.dom.Element;
@@ -5 +13 @@
 public class Option
 {
-    String _name = null;
-    String _id = null;
-    String _value = null;    
-    OptionList _parent = null;
+    protected String _type = null;
+    protected String _name = null;
+    protected String _id = null;
+    protected String _value = null;    
+    protected OptionList _parent = null;
+    
+    protected Object _classObject = null;
+    protected Method _checkMethod = null;
+
+    protected ImageIcon _image = null;
+
+    private boolean _canCheck = false;
+    private int _checkResult = -1;
+
+    private final String GOOD_ICON = GAI.getGSDL3Home() + System.getProperty("file.separator") + "resources" + System.getProperty("file.separator") + "images" + System.getProperty("file.separator") + "icongreentick.png";
+    private final String BAD_ICON = GAI.getGSDL3Home() + System.getProperty("file.separator") + "resources" + System.getProperty("file.separator") + "images" + System.getProperty("file.separator") + "iconredexclamation.png";
+    private final String ERROR_ICON = GAI.getGSDL3Home() + System.getProperty("file.separator") + "resources" + System.getProperty("file.separator") + "images" + System.getProperty("file.separator") + "iconorangetriange.png";
 
     public Option(Element optionElement, OptionList parent)
@@ -30 +51 @@
         _value = "";
         }
+
+        String checkClass = optionElement.getAttribute("checkClass");
+        String checkMethod = optionElement.getAttribute("checkMethod");
+
+        if(!checkClass.equals("") && !checkMethod.equals("")){
+        loadCheckMethod(checkClass, checkMethod);
+        }
+
+        performCheck();
+
+        _type = optionElement.getAttribute("type");
+        
+        if(!(_type.equals("") || _type.equals("password") || _type.equals("filebrowse") || _type.equals("folderbrowse"))){
+        System.err.println("This option element specifies a type that is not \"password\", \"filebrowse\" or \"folderbrowse\"");        
+        }
     }
     else{
@@ -35 +71 @@
     }
     }
+
+    private void loadCheckMethod(String checkClassString, String checkMethodString)
+    {
+    _parent.getParent().getParent().getParent().loadGuiExtFile();
+    
+    Class checkClass = null;
+    try{
+        checkClass = Class.forName(checkClassString);
+    }
+    catch(Exception ex){
+        System.err.println("Could not get an instance of the check class, either the class name is incorrect or the class does not exist inside the guiext.jar file");
+        return;
+    }
+    
+    try{
+        Constructor classConstructor = checkClass.getConstructor(new Class[0]);
+        _classObject = classConstructor.newInstance(new Object[0]);
+    }
+    catch(Exception ex){
+        System.err.println("Could not instantiate the check class, either the class name is incorrect or the class does not exist inside the guiext.jar file");
+        return;
+    }
+
+    try{
+        _checkMethod = checkClass.getDeclaredMethod(checkMethodString, new Class[]{Object.class});
+    }
+    catch(Exception ex){
+        System.err.println("Could not get the check method, either the method name is incorrect or the method does not take an Object as a parameter");
+        return;
+    }
+       
+    if(!(_checkMethod.getReturnType().equals(Boolean.TYPE))){
+        System.err.println("The check method does not return a boolean value as is required");
+        return;
+    }
+    _canCheck = true;
+    }
+
+    private void setImageFromCheck()
+    {
+    if(_canCheck){
+        if(_checkResult == 0){
+        _image = new ImageIcon(GOOD_ICON);
+        }
+        else if(_checkResult == 1){
+        _image = new ImageIcon(BAD_ICON);
+        }
+        else{
+        _image = new ImageIcon(ERROR_ICON);
+        }
+    }
+    else{
+        _image = new ImageIcon(GOOD_ICON);
+    }
+    }
+    
+    private void performCheck()
+    {
+    if(_canCheck){
+        Boolean result = null;
+        try{
+        result = ((Boolean)_checkMethod.invoke(_classObject, new Object[]{_value}));
+        }
+        catch(Exception ex){
+        _checkResult = -1;
+        }
+        if(result){
+        _checkResult = 0;
+        }
+        else{
+        _checkResult = 1;
+        }
+    }
+    setImageFromCheck();
+    }
+
+    public boolean isCheckable()
+    {
+    return _canCheck;
+    }
+
+    public int getCheckResult()
+    {
+    return _checkResult;
+    }
     
     public String getName()
@@ -49 +170 @@
     {
     _value = value;
+    performCheck();
+
+    JTable table = _parent.getParent().getTableFromOptionList(_parent);
+    
+    if(table != null){
+        table.repaint();
+        table.revalidate();
+    }
     }
 
@@ -60 +189 @@
     return _parent;
     }
+    
+    public String getType()
+    {
+    return _type;
+    }
+
+    public ImageIcon getImage()
+    {
+    return _image;
+    }
 }