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004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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006: * The contents of this file are subject to the terms of either the GNU
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020: * License Header, with the fields enclosed by brackets [] replaced by
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026: * The Original Software is NetBeans. The Initial Developer of the Original
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040: */
041: /*
042: * LastComponentVisitor.java
043: *
044: * Created on August 30, 2006, 8:27 PM
045: *
046: * To change this template, choose Tools | Template Manager
047: * and open the template in the editor.
048: */
049:
050: package org.netbeans.modules.xml.schema.abe.visitors;
051:
052: import java.util.List;
053: import org.netbeans.modules.xml.axi.AXIComponent;
054: import org.netbeans.modules.xml.schema.abe.ABEBaseDropPanel;
055: import org.netbeans.modules.xml.schema.abe.AttributePanel;
056: import org.netbeans.modules.xml.schema.abe.CompositorPanel;
057: import org.netbeans.modules.xml.schema.abe.ContainerPanel;
058: import org.netbeans.modules.xml.schema.abe.ElementPanel;
059: import org.netbeans.modules.xml.schema.abe.GlobalComplextypeContainerPanel;
060: import org.netbeans.modules.xml.schema.abe.GlobalElementsContainerPanel;
061: import org.netbeans.modules.xml.schema.abe.NamespacePanel;
062: import org.netbeans.modules.xml.schema.abe.StartTagPanel;
063:
064: /**
065: *
066: * @author girix
067: */
068: public class DownTraversalVisitor extends TraversalVisitor {
069: ABEBaseDropPanel currentComponent;
070: ABEBaseDropPanel result;
071:
072: /** Creates a new instance of LastComponentVisitor */
073: public DownTraversalVisitor(ABEBaseDropPanel currentComponent) {
074: this .currentComponent = currentComponent;
075: }
076:
077: public ABEBaseDropPanel getResult() {
078: return result;
079: }
080:
081: public void visit(GlobalComplextypeContainerPanel panel) {
082: super .visit(panel);
083: }
084:
085: public void visit(AttributePanel panel) {
086: super .visit(panel);
087: }
088:
089: public void visit(GlobalElementsContainerPanel panel) {
090: super .visit(panel);
091: }
092:
093: public void visit(StartTagPanel panel) {
094: super .visit(panel);
095: }
096:
097: public void visit(NamespacePanel panel) {
098: super .visit(panel);
099: }
100:
101: public void visit(CompositorPanel panel) {
102: ABEBaseDropPanel abdp = (ABEBaseDropPanel) panel.getParent();
103: TraversalVisitor tv = new DownTraversalVisitor(panel);
104: abdp.accept(tv);
105: result = tv.getResult();
106: }
107:
108: public void visit(ElementPanel elementPanel) {
109: elementPanel.expandChild();
110: if (currentComponent instanceof ContainerPanel) {
111: AXIComponent comp = currentComponent.getAXIComponent();
112: List list = elementPanel.getAXIContainer().getChildren(
113: TraversalVisitor.getEnCFilterList());
114: int i = list.indexOf(comp);
115: if ((i >= 0) && (i + 1 < list.size())) {
116: //next comp
117: result = elementPanel
118: .getChildUIComponentFor((AXIComponent) list
119: .get(i + 1));
120: return;
121: }
122: } else {
123: //put focus on first compositor
124: AXIComponent comp = currentComponent.getAXIComponent();
125: List list = elementPanel.getAXIContainer().getChildren(
126: TraversalVisitor.getEnCFilterList());
127: if (list.size() > 0) {
128: //return first compositor
129: result = elementPanel
130: .getChildUIComponentFor((AXIComponent) list
131: .get(0));
132: return;
133: }
134: }
135: //has to move to next comp. So, call parents forward
136: TraversalVisitor tv = new FrontTraversalVisitor(elementPanel);
137: elementPanel.getParentContainerPanel().accept(tv);
138: result = tv.getResult();
139: }
140:
141: }
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