|
1
5 package org.exoplatform.portal.faces.component;
6
7 import java.util.HashMap  ;
8 import java.util.Iterator ;
9 import java.util.List ;
10 import java.util.Map ;
11 import org.exoplatform.container.PortalContainer;
12 import org.exoplatform.faces.core.component.ComponentVisitor;
13 import org.exoplatform.faces.core.component.UIExoComponent ;
14 import org.exoplatform.services.portal.skin.SkinConfigService;
15 import org.exoplatform.services.portal.skin.model.Style;
16 import org.exoplatform.services.portletcontainer.pci.ExoWindowID;
17
22 public class CssStyleBuilderVisitor extends ComponentVisitor {
23 private SkinConfigService service_ ;
24 private Map cssURLMap_ ;
25
26 public CssStyleBuilderVisitor(SkinConfigService service) {
27 service_ = service ;
28 cssURLMap_ = new HashMap (15) ;
29 }
30
31 public String getCSS() {
32 StringBuffer sbuf = new StringBuffer () ;
33 Iterator styleIterator = cssURLMap_.values().iterator();
34 while (styleIterator.hasNext()) {
35 String cssLink = (String ) styleIterator.next() ;
36 sbuf.append(cssLink);
37 }
38 return sbuf.toString() ;
39 }
40
41 public void traverse(UIExoComponent component) {
42 visit(component) ;
43 if(component instanceof UIContainer ||
44 component instanceof UISinglePage ||
45 component instanceof UIPortal) {
46 List children = component.getChildren() ;
47 for(int i = 0; i < children.size() ; i++) {
48 UIExoComponent child = (UIExoComponent) children.get(i);
49 traverse(child) ;
50 }
51 }
52 }
53
54 protected void visit(UIExoComponent comp) {
55 if(comp instanceof UIPortlet) {
56 UIPortlet uiPortlet = (UIPortlet)comp ;
57 addBasicComponentStyle(uiPortlet) ;
58 addPortletComponentStyle(uiPortlet) ;
59 } else if(comp instanceof UIBody) {
60 Object bodyComponent = ((UIBody)comp).getBodyComponent() ;
61 if(bodyComponent instanceof UIPage) {
62 traverse((UIPage)bodyComponent) ;
63 } else if(bodyComponent instanceof UIPagePreview) {
64 UIPagePreview uiPreview = (UIPagePreview) bodyComponent ;
65 traverse(uiPreview.getUIPage()) ;
66 }
67 } else if(comp instanceof UIBasicComponent) {
68 addBasicComponentStyle((UIBasicComponent)comp) ;
69 }
70 }
71
72 private void addPortletComponentStyle(UIPortlet comp) {
73 String portletStyle = comp.getPortletModel().getPortletStyle() ;
74 if (portletStyle != null && portletStyle.length() > 0 && !"default".equals(portletStyle)) {
75 ExoWindowID windowId = comp.getWindowId() ;
76 String portletId = windowId.getPortletApplicationName() + "/" +windowId.getPortletName() ;
77 Style styleConfig = service_.getPortletStyle(portletId, portletStyle) ;
78 if(styleConfig == null) {
79 portletId = "default" ;
80 styleConfig = service_.getPortletStyle(portletId, portletStyle) ;
81 }
82 if (styleConfig == null) {
83 String cssLink = "expect an style url here for the , portlet : " +
84 portletId + " style " + portletStyle + '\n';
85 String key = portletId + "/" + portletStyle ;
86 cssURLMap_.put(key , cssLink) ;
87 } else {
88 String url = styleConfig.getUrl() ;
89 String cssLink = "<link rel='stylesheet' type='text/css' HREF='" + url + "'/>\n" ;
90 cssURLMap_.put(url, cssLink) ;
91 }
92 }
93 }
94
95 private void addBasicComponentStyle(UIBasicComponent comp) {
96 String decorator = comp.getDecorator() ;
97 if (decorator != null && decorator.length() > 0 && !"default".equals(decorator)) {
98 String rendererRef = comp.getRendererType() ;
99 Style styleConfig = comp.getDecoratorStyle(service_, rendererRef, decorator) ;
100
101 if (styleConfig == null) {
102 String cssLink = "expect an style url here for the , renderer: " +
103 rendererRef + " decorator " + decorator + '\n';
104 String key = comp.getIdPrefix() + "/" + rendererRef + "/" + decorator ;
105 cssURLMap_.put(key , cssLink) ;
106 } else {
107 String url = styleConfig.getUrl() ;
108 String cssLink = "<link rel='stylesheet' type='text/css' HREF='" + url + "'/>\n" ;
109 cssURLMap_.put(url, cssLink) ;
110 }
111 }
112 }
113
114 static public String getCSS(UIExoComponent uiPortal) {
115 PortalContainer manager = PortalContainer.getInstance();
116 SkinConfigService service =
117 (SkinConfigService) manager.getComponentInstanceOfType(SkinConfigService.class) ;
118 CssStyleBuilderVisitor visitor = new CssStyleBuilderVisitor(service) ;
119 visitor.traverse(uiPortal) ;
120 return visitor.getCSS() ;
121 }
122 }
123 |
Popular Tags |
Java API By Example, From Geeks To Geeks.