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package org.litesoft.aokeyhole.objects;
import java.util.*;
import org.litesoft.aokeyhole.objects.support.*;
import org.litesoft.aokeyhole.toolkit.*;
import org.litesoft.core.simpletypes.nonpublic.*;
public abstract class AttributeMetaData extends AbstractNamedMetaData<ObjectMetaData> implements ViewSupportable,
Comparable<AttributeMetaData>
{
public static final String ID_NAME = "ID";
private final AttributeSet mAttributeSet;
private final boolean mVirtual;
private final PropertyManager mPropertyManager;
private String mNotes = null;
protected AttributeMetaData( AttributeSet pAttributeSet, Mode pMode, boolean pEditable, boolean pVirtual, PropertyMetaData[] pPropertyMetaDatas, IdentifierValidator pNameValidator, String pName )
{
super( pAttributeSet.getType().toString(), pMode, pEditable, pNameValidator, pName );
mAttributeSet = pAttributeSet;
mVirtual = pVirtual;
mPropertyManager = new PropertyManager( this, pEditable, pPropertyMetaDatas );
}
public int compareTo( AttributeMetaData them )
{
int zDiff = this.getAttributeSet().getSortIndex() - them.getAttributeSet().getSortIndex();
if ( zDiff != 0 )
{
return zDiff;
}
return CompareSupport.compare( this.getName(), them.getName() );
}
public AttributeSet getAttributeSet()
{
return mAttributeSet;
}
abstract public boolean isRelated();
public boolean isVirtual()
{
return mVirtual;
}
public String getNotes()
{
return mNotes;
}
public void unpersistNotes( String pNotes )
{
mNotes = pNotes;
}
public void setNotes( String pNotes )
{
verifyEditability();
if ( !areEqual( mNotes, pNotes ) )
{
mNotes = pNotes;
changed();
}
}
public Object getPropertyValue( String pName )
{
Property property = mPropertyManager.getProperty( pName );
return (property == null) ? null : property.getValue();
}
public PropertyManager getPropertyManager()
{
return mPropertyManager;
}
public Property[] getProperties()
{
return mPropertyManager.getProperties();
}
public void unpersistProperty( String pName, String pValueAsString )
{
mPropertyManager.unpersistProperty( pName, pValueAsString );
}
/**
* @return null or Error
*/
public String setPropertyValue( String pName, Object pValue )
{
return mPropertyManager.updatePropertyValue( pName, pValue );
}
public void populateFrom( ToLinesObjectsParseStream pOPS )
{
while ( pOPS.isNextDepth( 3 ) ) // Properties
{
pOPS.readLine();
String zName = pOPS.getWhat();
String zData = pOPS.getData();
if ( AttribNames.NOTES.equals( zName ) )
{
unpersistNotes( zData );
}
else
{
mPropertyManager.unpersistProperty( zName, zData );
}
}
}
public void setRehydrated()
{
super.setRehydrated();
mPropertyManager.setRehydrated();
}
/**
* @return null or Error
*/
public String validatePersistable()
{
String error = super.validatePersistable();
return (error != null) ? error : mPropertyManager.validatePersistable();
}
public void addLines( List<String> pCollector, int pIndent )
{
pCollector.add( "" );
StringBuilder sb = startLine( pIndent );
addLineExtra( sb );
pCollector.add( sb.toString() );
pIndent += 2;
addNonNullLine( pCollector, pIndent, AttribNames.NOTES, getNotes() );
mPropertyManager.addLines( pCollector, pIndent );
}
@Override
protected String getStartLineMetaDataTypePrefix()
{
return isVirtual() ? ObjectNames.VIRTUAL_PREFIX : "";
}
abstract protected void addLineExtra( StringBuilder pSb );
public void setUpView( NameValuesComponent pNameValuesComponent )
{
pNameValuesComponent.setValue( AttribNames.NAME, getName() );
pNameValuesComponent.setValue( ObjectNames.NOTES, getNotes() );
mPropertyManager.setUpView( pNameValuesComponent );
}
protected void saveFromViewCollectChanges( ChangeHandler pChanges, NameValuesComponent pNameValuesComponent )
{
pChanges.add( checkNameChange( pNameValuesComponent.getValue( AttribNames.NAME ) ) );
pChanges.add( checkNotesChange( pNameValuesComponent.getValue( ObjectNames.NOTES ) ) );
mPropertyManager.saveFromView( pChanges, pNameValuesComponent );
}
/**
* @return null or Error
*/
public final String saveFromView( NameValuesComponent pNameValuesComponent )
{
ChangeHandler zChanges = new ChangeHandler();
try
{
saveFromViewCollectChanges( zChanges, pNameValuesComponent );
}
catch ( RuntimeException e )
{
return e.getMessage();
}
zChanges.commitChanges();
return null;
}
/**
* @return null or Error
*/
public final String deleteExisting()
{
ChangeHandler zChanges = new ChangeHandler();
try
{
deleteExistingCollectChanges( zChanges );
}
catch ( RuntimeException e )
{
return e.getMessage();
}
zChanges.commitChanges();
return null;
}
public void deleteExistingCollectChanges( ChangeHandler pChanges )
{
pChanges.add( new DeleteAttribute( this ) );
}
public ObjectMetaData getObjectMetaData()
{
return getOwner();
}
public void clearRelatedToIf( ObjectMetaData pObjectMetaData, ChangeHandler pChanges )
{
}
protected abstract static class AbstractChangeFragment implements ChangeFragment
{
protected AttributeMetaData mCaller;
protected AbstractChangeFragment( AttributeMetaData pCaller )
{
mCaller = pCaller;
}
}
protected ChangeFragment checkNameChange( String pNewName )
{
String zError = getNameValidator().validateIdentifier( pNewName, "Attribute Name" );
if ( zError != null )
{
throw new RuntimeException( zError );
}
String zCurName = getName();
if ( !areEqual( zCurName, pNewName ) )
{
ObjectMetaData zOwner = getObjectMetaData();
if ( zOwner.isUsedOwnedName( pNewName ) )
{
throw new RuntimeException( "Duplicate Name" );
}
return createChangeNameFragment( pNewName );
}
return null;
}
protected ChangeFragment createChangeNameFragment( String pNewName )
{
return new ChangeName( this, pNewName );
}
protected static class ChangeName extends AbstractChangeFragment
{
private String mNewName;
public ChangeName( AttributeMetaData pCaller, String pNewName )
{
super( pCaller );
mNewName = pNewName;
}
public void commitChange()
{
mCaller.setName( mNewName );
}
}
protected ChangeFragment checkNotesChange( String pNewNotes )
{
String zCurNotes = getNotes();
return !areEqual( zCurNotes, pNewNotes ) ? createChangeNotesFragment( pNewNotes ) : null;
}
protected ChangeFragment createChangeNotesFragment( String pNewNotes )
{
return new ChangeNotes( this, pNewNotes );
}
protected static class ChangeNotes extends AbstractChangeFragment
{
private String mNewNotes;
public ChangeNotes( AttributeMetaData pCaller, String pNewNotes )
{
super( pCaller );
mNewNotes = pNewNotes;
}
public void commitChange()
{
mCaller.setNotes( mNewNotes );
}
}
protected static class DeleteAttribute extends AbstractChangeFragment
{
public DeleteAttribute( AttributeMetaData pCaller )
{
super( pCaller );
}
public void commitChange()
{
mCaller.getObjectMetaData().remove( mCaller );
}
}
}
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