1
22
23 package com.liferay.portal.theme;
24
25 import com.liferay.portal.kernel.util.HtmlUtil;
26 import com.liferay.portal.kernel.util.MethodCache;
27 import com.liferay.portal.kernel.util.WebKeys;
28 import com.liferay.portal.model.Layout;
29
30 import java.io.Serializable;
31
32 import java.lang.reflect.Method;
33
34 import java.util.ArrayList;
35 import java.util.List;
36
37 import javax.servlet.http.HttpServletRequest;
38
39
45 public class NavItem implements Serializable {
46
47 public static NavItem fromLayout(RequestVars vars, Layout layout) {
48 return new NavItem(vars, layout);
49 }
50
51 public static List<NavItem> fromLayouts(
52 RequestVars vars, List<Layout> layouts) {
53
54 if (layouts == null) {
55 return null;
56 }
57
58 List<NavItem> navItems = new ArrayList<NavItem>(layouts.size());
59
60 for (Layout layout : layouts) {
61 navItems.add(fromLayout(vars, layout));
62 }
63
64 return navItems;
65 }
66
67 public NavItem(RequestVars vars, Layout layout) {
68 _vars = vars;
69 _layout = layout;
70 }
71
72 public Layout getLayout() {
73 return _layout;
74 }
75
76 public boolean isSelected() {
77 ThemeDisplay themeDisplay = _vars.getThemeDisplay();
78
79 return _layout.isSelected(
80 themeDisplay.isTilesSelectable(), themeDisplay.getLayout(),
81 _vars.getAncestorPlid());
82 }
83
84 public String getName() {
85 return HtmlUtil.escape(
86 _layout.getName(_vars.getThemeDisplay().getLocale()));
87 }
88
89 public String getTarget() {
90 return _layout.getTarget();
91 }
92
93 public String getTitle() {
94 return _layout.getTitle(_vars.getThemeDisplay().getLocale());
95 }
96
97 public String getURL() throws Exception {
98 return getRegularURL();
99 }
100
101 public String getRegularURL() throws Exception {
102 return _layout.getRegularURL(_vars.getRequest());
103 }
104
105 public String getResetMaxStateURL() throws Exception {
106 return _layout.getResetMaxStateURL(_vars.getRequest());
107 }
108
109 public String getResetLayoutURL() throws Exception {
110 return _layout.getResetLayoutURL(_vars.getRequest());
111 }
112
113 public List<NavItem> getChildren() throws Exception {
114 if (_children == null) {
115 ThemeDisplay themeDisplay = _vars.getThemeDisplay();
116
117 List<Layout> layouts = _layout.getChildren(
118 themeDisplay.getPermissionChecker());
119
120 _children = fromLayouts(_vars, layouts);
121 }
122
123 return _children;
124 }
125
126 public boolean hasChildren() throws Exception {
127 if (getChildren().size() > 0) {
128 return true;
129 }
130 else {
131 return false;
132 }
133 }
134
135 public String icon() throws Exception {
136 HttpServletRequest request = _vars.getRequest();
137
138 Object velocityTaglib = request.getAttribute(WebKeys.VELOCITY_TAGLIB);
139
140 Method method = MethodCache.get(
141 _VELOCITY_TAGLIB_CLASS, _VELOCITY_TAGLIB_LAYOUT_ICON_METHOD,
142 _VELOCITY_TAGLIB_LAYOUT_ICON_PARAMS);
143
144 return (String)method.invoke(velocityTaglib, new Object[] {_layout});
145 }
146
147 private static final String _VELOCITY_TAGLIB_CLASS =
148 "com.liferay.taglib.util.VelocityTaglib";
149
150 private static final String _VELOCITY_TAGLIB_LAYOUT_ICON_METHOD =
151 "layoutIcon";
152
153 private static final Class<?>[] _VELOCITY_TAGLIB_LAYOUT_ICON_PARAMS =
154 new Class[] {Layout.class};
155
156 private RequestVars _vars;
157 private Layout _layout;
158 private List<NavItem> _children;
159
160 }