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1 package org.exoplatform.portlets.nav.renderer.html;
2
3 import java.io.IOException  ;
4 import javax.faces.component.UIComponent;
5 import javax.faces.context.FacesContext;
6 import javax.faces.context.ResponseWriter;
7 import org.exoplatform.container.SessionContainer;
8 import org.exoplatform.faces.FacesConstants;
9 import org.exoplatform.faces.core.component.model.Parameter;
10 import org.exoplatform.faces.core.renderer.html.HtmlBasicRenderer;
11 import org.exoplatform.faces.user.component.UILanguageSelector;
12 import org.exoplatform.portal.session.ExoPortal;
13 import org.exoplatform.portlets.nav.component.UIBreadcrumbs;
14 import org.exoplatform.services.portal.model.Node;
15
21 public class BreadcrumbsRenderer extends HtmlBasicRenderer {
22 private static Parameter CHANGE_NODE = new Parameter(FacesConstants.ACTION,
23 "changeNode");
24
25 public void encodeBegin(FacesContext context, UIComponent component)
26 throws IOException {
27 }
28
29 public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
30 UIBreadcrumbs breadcrumbs = (UIBreadcrumbs) component;
31 ExoPortal portal = (ExoPortal)SessionContainer.getComponent(ExoPortal.class) ;
32
33 ResponseWriter writer = context.getResponseWriter();
34
35 String baseURL = breadcrumbs.getBaseURL(context);
36 Node selectedNode = portal.getSelectedNode();
37
38 writer.write("<div class='UIBreadcrumbs'>");
39 writer.write("<div>");
40 this.encodeNode(portal.getRootNode(), selectedNode, baseURL, writer);
41 writer.write("</div>");
42 writer.write("<div class='flags'>");
43 UILanguageSelector languageSelector = (UILanguageSelector) breadcrumbs.getChildren().get(0);
44 languageSelector.encodeBegin(context);
45 languageSelector.encodeChildren(context);
46 languageSelector.encodeEnd(context);
47 writer.write("</div>");
48 writer.write("</div>");
49 }
50
51 private void encodeNode(Node node, Node selectedNode, String baseURL,
52 ResponseWriter writer) throws IOException {
53 writer.write("<span>");
55 if (node == selectedNode) {
56 writer.write(node.getResolvedLabel());
57 } else {
58 Parameter nodeUriParam = new Parameter("uri", "");
59 Parameter[] changeNodeParams = { CHANGE_NODE, nodeUriParam };
60 nodeUriParam.setValue(node.getUri());
61 appendLink(writer, node.getResolvedLabel(), baseURL, changeNodeParams, "");
62 }
63 writer.write("</span>");
64 for (int i = 0; i < node.getChildrenSize(); i++) {
65 Node child = node.getChild(i);
66 if (selectedNode.getUri().startsWith(child.getUri())) {
67 writer.write("<span> > </span>");
68 this.encodeNode(child, selectedNode, baseURL, writer);
69 }
70 }
71 }
72
73 public void encodeEnd(FacesContext context, UIComponent component)
74 throws IOException {
75 }
76 } |
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