package org.eclipse.jdt.internal.core; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved. | |
*/ | |
import org.eclipse.core.resources.*; | |
import org.eclipse.jdt.core.*; | |
import org.eclipse.jdt.core.jdom.*; | |
/** | |
* <p>This operation creates a field declaration in a type. | |
* | |
* <p>Required Attributes:<ul> | |
* <li>Containing Type | |
* <li>The source code for the declaration. No verification of the source is | |
* performed. | |
* </ul> | |
*/ | |
public class CreateFieldOperation extends CreateTypeMemberOperation { | |
/** | |
* When executed, this operation will create a field with the given name | |
* in the given type with the specified source. | |
* | |
* <p>By default the new field is positioned after the last existing field | |
* declaration, or as the first member in the type if there are no | |
* field declarations. | |
*/ | |
public CreateFieldOperation(IType parentElement, String source, boolean force) { | |
super(parentElement, source, force); | |
} | |
/** | |
* @see CreateTypeMemberOperation#generateElementDOM | |
*/ | |
protected IDOMNode generateElementDOM() throws JavaModelException { | |
if (fDOMNode == null) { | |
fDOMNode = (new DOMFactory()).createField(fSource); | |
if (fDOMNode == null) { | |
fDOMNode = generateSyntaxIncorrectDOM(); | |
} | |
if (fAlteredName != null && fDOMNode != null) { | |
fDOMNode.setName(fAlteredName); | |
} | |
} | |
return fDOMNode; | |
} | |
/** | |
* @see CreateElementInCUOperation#generateResultHandle | |
*/ | |
protected IJavaElement generateResultHandle() { | |
return getType().getField(fDOMNode.getName()); | |
} | |
/** | |
* @see CreateElementInCUOperation#getMainTaskName | |
*/ | |
public String getMainTaskName(){ | |
return Util.bind("operation.createFieldProgress"/*nonNLS*/); | |
} | |
/** | |
* By default the new field is positioned after the last existing field | |
* declaration, or as the first member in the type if there are no | |
* field declarations. | |
*/ | |
protected void initializeDefaultPosition() { | |
IType parentElement = getType(); | |
try { | |
IJavaElement[] elements = parentElement.getFields(); | |
if (elements != null && elements.length > 0) { | |
createAfter(elements[elements.length - 1]); | |
} else { | |
elements = parentElement.getChildren(); | |
if (elements != null && elements.length > 0) { | |
createBefore(elements[0]); | |
} | |
} | |
} catch (JavaModelException e) { | |
} | |
} | |
/** | |
* @see CreateTypeMemberOperation#verifyNameCollision | |
*/ | |
protected IJavaModelStatus verifyNameCollision() { | |
IType type= getType(); | |
if (type.getField(fDOMNode.getName()).exists()) { | |
return new JavaModelStatus(IJavaModelStatusConstants.NAME_COLLISION); | |
} | |
return JavaModelStatus.VERIFIED_OK; | |
} | |
} |