1
22
23 package com.liferay.portlet.nestedportlets.action;
24
25 import com.liferay.portal.kernel.util.StringPool;
26 import com.liferay.portal.kernel.util.Validator;
27 import com.liferay.portal.model.LayoutTemplate;
28 import com.liferay.portal.model.Portlet;
29 import com.liferay.portal.model.Theme;
30 import com.liferay.portal.service.impl.LayoutTemplateLocalUtil;
31 import com.liferay.portal.struts.PortletAction;
32 import com.liferay.portal.theme.ThemeDisplay;
33 import com.liferay.portal.util.PropsValues;
34 import com.liferay.portal.util.WebKeys;
35 import com.liferay.portlet.PortletPreferencesFactoryUtil;
36
37 import java.util.HashSet;
38 import java.util.Iterator;
39 import java.util.Set;
40 import java.util.regex.Matcher;
41 import java.util.regex.Pattern;
42
43 import javax.portlet.PortletConfig;
44 import javax.portlet.PortletPreferences;
45 import javax.portlet.RenderRequest;
46 import javax.portlet.RenderResponse;
47
48 import org.apache.struts.action.ActionForm;
49 import org.apache.struts.action.ActionForward;
50 import org.apache.struts.action.ActionMapping;
51
52
59 public class ViewAction extends PortletAction {
60
61 public ActionForward render(
62 ActionMapping mapping, ActionForm form, PortletConfig config,
63 RenderRequest req, RenderResponse res)
64 throws Exception {
65
66 ThemeDisplay themeDisplay = (ThemeDisplay)req.getAttribute(
67 WebKeys.THEME_DISPLAY);
68
69 Portlet portlet = (Portlet)req.getAttribute(WebKeys.RENDER_PORTLET);
70
71 PortletPreferences prefs =
72 PortletPreferencesFactoryUtil.getPortletSetup(
73 req, portlet.getPortletId(), true, true);
74
75 String layoutTemplateId = prefs.getValue(
76 "layout-template-id",
77 PropsValues.NESTED_PORTLETS_LAYOUT_TEMPLATE_DEFAULT);
78
79 String content = StringPool.BLANK;
80
81 if (Validator.isNotNull(layoutTemplateId)) {
82 Theme theme = themeDisplay.getTheme();
83
84 LayoutTemplate layoutTemplate =
85 LayoutTemplateLocalUtil.getLayoutTemplate(
86 layoutTemplateId, false, theme.getThemeId());
87
88 content = renameTemplateColumnsAndIds(
89 layoutTemplate.getContent(), portlet);
90 }
91
92 req.setAttribute(WebKeys.LAYOUT_TEMPLATE_CONTENT, content);
93
94 return mapping.findForward("portlet.nested_portlets.view");
95 }
96
97 protected String renameTemplateColumnsAndIds(
98 String content, Portlet portlet) {
99
100 Matcher m = _searchColumnsAndIdsPattern.matcher(content);
101
102 Set columnIds = new HashSet();
103
104 while (m.find()) {
105 if (Validator.isNotNull(m.group(1))) {
106 columnIds.add(m.group(1));
107 }
108
109 if (Validator.isNotNull(m.group(2))) {
110 columnIds.add(m.group(2));
111 }
112 }
113
114 Iterator itr = columnIds.iterator();
115
116 while (itr.hasNext()) {
117 String columnId = (String)itr.next();
118
119 if (columnId.indexOf(portlet.getPortletId()) == -1) {
120 content = content.replaceAll(
121 columnId, portlet.getPortletId() + "_" + columnId);
122 }
123 }
124
125 return content;
126 }
127
128 private static final Pattern _searchColumnsAndIdsPattern = Pattern.compile(
129 "processColumn[(]\"(.*?)\"[)]|[<].*?id=[\"']([^ ]*?)[\"'].*?[>]",
130 Pattern.DOTALL);
131
132 }