001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.php.editor.completion;
043:
044: import java.util.List;
045: import java.util.logging.Level;
046: import java.util.logging.Logger;
047: import org.netbeans.modules.gsf.api.CompletionProposal;
048: import org.netbeans.modules.languages.php.lang.Operators;
049: import org.netbeans.modules.php.model.SourceElement;
050:
051: /**
052: * Implementation of the <code>CompletionResultProvider</code> for the
053: * scope of the Object Member Access Expression (->), like this:
054: * <code>
055: * $instanceRef->$attr
056: * $instanceRef->CONST1
057: * $instanceRef->func1();
058: * <code>
059: *
060: * @author Victor G. Vasilyev
061: */
062: public class ObjectMemberAccessExpressionScope extends
063: MemberAccessExpressionScope implements CompletionResultProvider {
064:
065: private static final Logger LOG = Logger
066: .getLogger(ObjectMemberAccessExpressionScope.class
067: .getName());
068:
069: public boolean isApplicable(CodeCompletionContext context) {
070: init(context);
071: SourceElement e = myContext.getSourceElement();
072: // This provider is applicable iif it possible to find referencedClass.
073: if (referencedClass == null) {
074: LOG
075: .log(
076: Level.INFO,
077: "{0} provider is NOT applicable. referencedClass == null",
078: new Object[] { ObjectMemberAccessExpressionScope.class
079: .getName() });
080: return false;
081: }
082: LOG
083: .log(
084: Level.INFO,
085: "{0} provider is applicable. referencedClass.getName() =[{1}]",
086: new Object[] {
087: ObjectMemberAccessExpressionScope.class
088: .getName(),
089: referencedClass.getName() });
090: return true;
091: }
092:
093: public List<CompletionProposal> getProposals(
094: CodeCompletionContext context) {
095: return proposals;
096: }
097:
098: @Override
099: protected int calcInsertOffset() {
100: if (prefix == null || getOperator().equals(prefix)) {
101: return myContext.getCaretOffset();
102: }
103: return myContext.getCaretOffset() - prefix.length();
104: }
105:
106: @Override
107: protected String getOperator() {
108: return Operators.OBJECT_MEMBER_ACCESS.value();
109: }
110:
111: private boolean isObjectMemberAccessExpression(SourceElement e) {
112: String text = e.getText();
113: if (text != null
114: && text
115: .contains(Operators.OBJECT_MEMBER_ACCESS
116: .value())) {
117: return true;
118: }
119: return false;
120: }
121:
122: }
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