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1 <%
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2 package nabble.view.web.catalog;
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3
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4 import fschmidt.db.DbDatabase;
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5 import fschmidt.util.java.HtmlUtils;
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6 import fschmidt.util.servlet.AuthorizingServlet;
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7 import nabble.model.Message;
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8 import nabble.model.ModelException;
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9 import nabble.model.Node;
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10 import nabble.model.Person;
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11 import nabble.model.Site;
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12 import nabble.model.User;
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13 import nabble.model.export.Export;
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14 import nabble.view.lib.Jtp;
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15 import nabble.view.lib.Permissions;
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16 import nabble.view.lib.Shared;
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17 import nabble.view.web.template.UrlMapperNamespace;
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18 import org.slf4j.Logger;
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19 import org.slf4j.LoggerFactory;
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20
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21 import javax.servlet.ServletException;
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22 import javax.servlet.http.HttpServlet;
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23 import javax.servlet.http.HttpServletRequest;
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24 import javax.servlet.http.HttpServletResponse;
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25 import java.io.IOException;
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26 import java.io.PrintWriter;
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27
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28
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29 public class ChangeParent extends HttpServlet implements AuthorizingServlet {
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30 private static final Logger logger = LoggerFactory.getLogger(ChangeParent.class);
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31
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32 public String getAuthorizationKey(HttpServletRequest request) throws ServletException {
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33 return Jtp.getReadAuthorizationKey( Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request,"forum")) );
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34 }
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35
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36 public boolean authorize(String key,HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
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37 return Jtp.authorizeForRead(key,request,response);
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38 }
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39
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40 protected void service(HttpServletRequest request, HttpServletResponse response)
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41 throws ServletException, IOException
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42 {
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43 PrintWriter out = response.getWriter();
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44 String forumId = request.getParameter("forum");
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45 Node forum = forumId == null? null : Jtp.getSiteNotNull(request).getNode(Long.valueOf(forumId));
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46
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47 if (forum == null)
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48 return;
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49
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50 Person visitor = Jtp.getVisitor(request, response);
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51 boolean isSiteAdmin = visitor instanceof User && Permissions.isInGroup((User) visitor, Permissions.ADMINISTRATORS_GROUP);
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52
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53 boolean allowed = Jtp.canBeRemovedBy(forum,visitor);
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54 if (!allowed) {
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55 Jtp.login("Only administrators can proceed in this area.", request, response);
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56 return;
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57 }
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58
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59 String errorMsg = null;
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60 String action = request.getParameter("action");
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61 String option = request.getParameter("option");
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62 String url = request.getParameter("url");
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63 if ("set".equals(action) && "POST".equals(request.getMethod())) {
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64 if ("provide-url".equals(option))
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65 errorMsg = setParent(forum, url, request, response);
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66 else if ("merge".equals(option))
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67 errorMsg = merge(forum, visitor, isSiteAdmin, response);
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68 else if ("delete-root".equals(option))
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69 errorMsg = deleteRoot(forum, visitor, response);
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70 else if ("create-parent".equals(option))
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71 errorMsg = createParent(forum, (User)visitor, request, response);
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72 if (errorMsg == null)
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73 return;
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74 }
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75
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76 Node currentParent = forum.getParent();
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77 %>
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78 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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79 <html>
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80 <head>
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81 <% Shared.title(request, response, "Parent Options"); %>
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82 <script type="text/javascript">
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83 $(document).ready(function() {
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84 function handleFocus() {
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85 $('#url,#name,#description,#type').attr('disabled','y');
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86 var id = $(':radio').filter('[checked]').attr('id');
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87 if (id == 'choose-parent') {
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88 $('#url').removeAttr('disabled').focus();
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89 } else if (id == 'create-parent') {
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90 $('#name,#description,#type').removeAttr('disabled').focus();
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91 $('#name').focus();
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92 }
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93 };
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94 handleFocus();
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95 $(':radio').click(handleFocus);
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96 });
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97 </script>
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98 <style type="text/css">
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99 div.field-title {
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100 font-weight:bold;
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101 font-size:110%;
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102 padding-bottom:.1em;
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103 margin-top: 1.7em;
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104 }
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105 span.disabled {
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106 font-size:90%;
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107 font-weight:normal;
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108 margin-left:1em
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109 }
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110 </style>
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111 </head>
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112 <body>
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113 <% Shared.minHeader(request,response, forum); %>
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114 <% Shared.editHeader(forum.getSubjectHtml(), "Parent Options", out); %>
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115 <% Shared.errorMessage(request, response, errorMsg, null); %>
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116 <form id="parent-form" method="post" action="/catalog/ChangeParent.jtp" accept-charset="UTF-8">
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117 <input type="hidden" name="action" value="set" />
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118 <input type="hidden" name="forum" value="<%=forum.getId()%>" />
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119
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120 <div class="second-font field-title">
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121 <input type="radio" id="choose-parent" name="option" value="provide-url" <%=option == null || "provide-url".equals(option)? "checked='y'" : ""%>/>
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122 <label for="choose-parent">Set a New Parent</label>
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123 </div>
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124 <div class="weak-color" style="margin-left:1.9em">
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125 Enter the permalink of the new parent:<br/>
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126 <input id="url" name="url" size="60" value="<%=Jtp.hideNull(url)%>"/>
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127 </div>
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128
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129 <% boolean isDisabled = !isSiteAdmin || currentParent == null || !Jtp.canBeDeletedBy(forum,visitor); %>
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130 <div class="second-font field-title">
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131 <input type="radio" <%=isDisabled?"disabled":""%> id="merge" name="option" value="merge" <%="merge".equals(option)? "checked='y'" : ""%>/>
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132 <label for="merge" <%=isDisabled?"class='weak-color'":""%>>Merge into <%=Jtp.parentName(forum)%></label>
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133 <%=isDisabled? "<span class='disabled important'>/ Not Applicable</span>":""%>
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134 </div>
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135 <div class="weak-color" style="margin-left:1.9em">
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136 Delete this <%=Jtp.viewName(forum).toLowerCase()%> and move its contents to the <%=Jtp.parentName(forum).toLowerCase()%>. <br/>
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137 </div>
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138
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139 <% isDisabled = !forum.isRoot() || forum.getChildCount() != 1; %>
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140 <% Node child = isDisabled? null : forum.getChildren().get(0, 1).get(0); %>
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141 <% isDisabled = child != null && child.getKind() == Node.Kind.POST? true : isDisabled; %>
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142 <div class="second-font field-title">
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143 <input type="radio" <%=isDisabled?"disabled":""%> id="delete-root" name="option" value="delete-root" <%="delete-root".equals(option)? "checked='y'" : ""%>/>
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144 <label for="delete-root" <%=isDisabled?"class='weak-color'":""%>>Make Child the New Root</label>
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145 <%=isDisabled? "<span class='disabled important'>/ Not Applicable</span>":""%>
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146 </div>
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147 <div class="weak-color" style="margin-left:1.9em">
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148 Delete this <%=Jtp.viewName(forum).toLowerCase()%> and make <%=child == null? "the single child" : child.getSubjectHtml() %> the new root. <br/>
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149 </div>
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150
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151 <% isDisabled = forum.getParent() != null; %>
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152 <div class="second-font field-title">
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153 <input type="radio" id="create-parent" name="option" value="create-parent" <%="create-parent".equals(option)? "checked='y'" : ""%> <%=isDisabled?"disabled":""%>/>
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154 <label <%=isDisabled?"class='weak-color'":""%> for="create-parent">Create a New Parent</label>
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155 <%=isDisabled? "<span class='disabled important'>/ Not Applicable</span>":""%>
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156 </div>
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157 <div class="weak-color" style="margin-left:1.9em">
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158 <table>
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159 <tr>
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160 <td>Name:</td>
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161 <td><input id="name" <%=isDisabled?"disabled":""%> name="name" size="30" value="<%=Jtp.hideNull(request.getParameter("name"))%>" /></td>
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162 </tr>
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163 <tr>
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164 <td>Type:</td>
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165 <td>
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166 <select id="type" name="type">
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167 <option value="<%=Node.Type.FORUM%>">Forum</option>
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168 <option value="<%=Node.Type.CATEGORY%>">Category</option>
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169 <option value="<%=Node.Type.BOARD%>">Board</option>
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170 <option value="<%=Node.Type.MIXED%>">Mixed</option>
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171 <option value="<%=Node.Type.GALLERY%>">Gallery</option>
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172 <option value="<%=Node.Type.BLOG%>">Blog</option>
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173 <option value="<%=Node.Type.NEWS%>">Newspaper</option>
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174 </select>
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175 </td>
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176 </tr>
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177 </table>
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178 <div style="margin: .5em 0">
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179 Description:<br/>
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180 <textarea id="description" <%=isDisabled?"disabled":""%> name="description" style="width:30em;height:10em"><%=Jtp.hideNull(request.getParameter("description"))%></textarea>
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181 </div>
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182 </div>
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183
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184 <div style="margin-top:1.4em">
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185 <input type="submit" name="save" value="Save Changes" /> or <a href="<%=Jtp.path(forum)%>">Cancel</a>
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186 </div>
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187 </form>
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188
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189 <% Shared.footer(request, response); %>
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190 <% Shared.analytics(request,response); %>
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191 </body>
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192 </html>
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193 <%
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194 }
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195
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196 private static String setParent(Node app, String url, HttpServletRequest request, HttpServletResponse response)
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197 throws IOException, ServletException
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198 {
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199 if (url == null || url.trim().length() == 0 || !url.startsWith("http://")) {
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200 return "You must provide a valid link.";
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201 } else {
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202 url = Jtp.noCid(url);
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203 Node parent = UrlMapperNamespace.getNodeFromUrl(url);
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204 if (parent == null || parent.getKind()!=Node.Kind.APP || !parent.getSite().equals(app.getSite())) {
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205 if (Export.isValidExportServer(url)) {
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206 // Send to export confirmation page
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207 response.sendRedirect("/catalog/ExportConfirmation.jtp?node="+app.getId()+"&url="+HtmlUtils.urlEncode(url));
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208 return null;
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209 } else {
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210 return "The link you provided is not a valid Nabble application.";
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211 }
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212 } else if (parent.getSite().equals(app.getSite()) && parent.getAncestors().contains(app)) {
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213 return "Circular relationship is not allowed.";
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214 } else {
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215 DbDatabase db = app.getSite().getDb();
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216 db.beginTransaction();
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217 try {
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218 Node forumCopy = app.getGoodCopy();
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219 forumCopy.changeParent(parent);
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220 forumCopy.update();
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221 db.commitTransaction();
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222
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223 forumCopy = forumCopy.getGoodCopy();
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224 Shared.javascriptRedirect(request, response, Jtp.url(forumCopy), null, true);
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225 return null;
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226 } catch(ModelException.NodeLoop e) {
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227 if (parent.equals(app))
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228 return "The new parent cannot be the forum itself.";
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229 else
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230 return "The new parent cannot be a descendant of the current forum (circular relationship).";
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231 } catch (ModelException e) {
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232 logger.error("",e);
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233 return "You cannot move this forum here because: "+e.getMessage();
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234 } finally {
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235 db.endTransaction();
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236 }
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237 }
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238 }
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239 }
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240
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241 private static String merge(Node app, Person visitor, boolean isSiteAdmin, HttpServletResponse response)
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242 throws IOException, ServletException
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243 {
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244 if (isSiteAdmin || Jtp.canBeDeletedBy(app,visitor)) {
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245 DbDatabase db = app.getSite().getDb();
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246 db.beginTransaction();
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247 try {
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248 app = app.getGoodCopy();
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249 Node parent = app.getParent();
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250 for (Node child : app.getChildren()) {
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251 child.changeParent(parent);
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252 }
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253 app.getGoodCopy().deleteMessageOrNode();
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254 db.commitTransaction();
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255 response.sendRedirect(Jtp.path(parent));
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256 return null;
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257 } catch (ModelException e) {
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258 return e.getMessage();
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259 } finally {
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260 db.endTransaction();
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261 }
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262 } else {
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263 return "You don't have privileges to delete and merge this sub-forum";
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264 }
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265 }
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266
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267 private static String deleteRoot(Node app, Person visitor, HttpServletResponse response)
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268 throws IOException, ServletException
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269 {
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270 if (Jtp.canBeDeletedBy(app,visitor)) {
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271 DbDatabase db = app.getSite().getDb();
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272 db.beginTransaction();
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273 try {
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274 Site site = app.getSite();
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275 site.deleteRootNode();
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276 db.commitTransaction();
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277 response.sendRedirect(site.getBaseUrl());
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278 return null;
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279 } catch (ModelException e) {
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280 return e.getMessage();
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281 } finally {
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282 db.endTransaction();
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283 }
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284 } else {
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285 return "You don't have privileges to make the child a new root";
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286 }
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287 }
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288
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289 private static String createParent(Node app, User user, HttpServletRequest request, HttpServletResponse response)
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290 throws IOException, ServletException
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291 {
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292 DbDatabase db = app.getSite().getDb();
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293 db.beginTransaction();
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294 try {
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295 String name = request.getParameter("name");
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296 if (name == null || name.trim().length() == 0)
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297 return "Please enter a valid name";
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298 String description = request.getParameter("description");
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299 String type = request.getParameter("type");
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300 Node parent = user.newRootNode(Node.Kind.APP, name, description, Message.Format.TEXT, app.getSite(),type);
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301 Jtp.addPinnedChild(parent, app.getGoodCopy());
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302 db.commitTransaction();
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303 response.sendRedirect(Jtp.path(parent));
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304 return null;
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305 } catch (ModelException e) {
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306 return e.getMessage();
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307 } finally {
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308 db.endTransaction();
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309 }
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310 }
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311 }
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312 %> |
