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.LayoutTemplateConstants;
29 import com.liferay.portal.model.Portlet;
30 import com.liferay.portal.model.Theme;
31 import com.liferay.portal.service.LayoutTemplateLocalServiceUtil;
32 import com.liferay.portal.struts.PortletAction;
33 import com.liferay.portal.theme.ThemeDisplay;
34 import com.liferay.portal.util.PropsValues;
35 import com.liferay.portal.util.WebKeys;
36 import com.liferay.portlet.PortletPreferencesFactoryUtil;
37
38 import java.util.HashMap;
39 import java.util.Map;
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
61 public class ViewAction extends PortletAction {
62
63 public ActionForward render(
64 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
65 RenderRequest renderRequest, RenderResponse renderResponse)
66 throws Exception {
67
68 ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(
69 WebKeys.THEME_DISPLAY);
70
71 Portlet portlet = (Portlet)renderRequest.getAttribute(
72 WebKeys.RENDER_PORTLET);
73
74 PortletPreferences preferences =
75 PortletPreferencesFactoryUtil.getPortletSetup(
76 renderRequest, portlet.getPortletId());
77
78 String layoutTemplateId = preferences.getValue(
79 "layout-template-id",
80 PropsValues.NESTED_PORTLETS_LAYOUT_TEMPLATE_DEFAULT);
81
82 String velocityTemplateId = StringPool.BLANK;
83 String velocityTemplateContent = StringPool.BLANK;
84
85 Map<String, String> columnIds = new HashMap<String, String>();
86
87 if (Validator.isNotNull(layoutTemplateId)) {
88 Theme theme = themeDisplay.getTheme();
89
90 LayoutTemplate layoutTemplate =
91 LayoutTemplateLocalServiceUtil.getLayoutTemplate(
92 layoutTemplateId, false, theme.getThemeId());
93
94 String content = layoutTemplate.getContent();
95
96 Matcher processColumnMatcher = _processColumnPattern.matcher(
97 content);
98
99 while (processColumnMatcher.find()) {
100 String columnId = processColumnMatcher.group(2);
101
102 if (Validator.isNotNull(columnId)) {
103 columnIds.put(
104 columnId,
105 portlet.getPortletId() + StringPool.UNDERLINE +
106 columnId);
107 }
108 }
109
110 processColumnMatcher.reset();
111
112 content = processColumnMatcher.replaceAll("$1\\${$2}$3");
113
114 velocityTemplateId =
115 theme.getThemeId() + LayoutTemplateConstants.CUSTOM_SEPARATOR +
116 layoutTemplateId;
117
118 Matcher columnIdMatcher = _columnIdPattern.matcher(content);
119
120 velocityTemplateContent = columnIdMatcher.replaceAll(
121 "$1" + portlet.getPortletId() + "$2$3");
122 }
123
124 renderRequest.setAttribute(
125 WebKeys.NESTED_PORTLET_VELOCITY_TEMPLATE_ID, velocityTemplateId);
126 renderRequest.setAttribute(
127 WebKeys.NESTED_PORTLET_VELOCITY_TEMPLATE_CONTENT,
128 velocityTemplateContent);
129
130 Map<String, Object> vmVariables =
131 (Map<String, Object>)renderRequest.getAttribute(
132 WebKeys.VM_VARIABLES);
133
134 if (vmVariables != null) {
135 vmVariables.putAll(columnIds);
136 }
137 else {
138 renderRequest.setAttribute(WebKeys.VM_VARIABLES, columnIds);
139 }
140
141 return mapping.findForward("portlet.nested_portlets.view");
142 }
143
144 private static Pattern _columnIdPattern = Pattern.compile(
145 "([<].*?id=[\"'])([^ ]*?)([\"'].*?[>])", Pattern.DOTALL);
146 private static Pattern _processColumnPattern = Pattern.compile(
147 "(processColumn[(]\")(.*?)(\"[)])", Pattern.DOTALL);
148
149 }