implemented the ability to upload community logos, similar to how we did user

photos

etc/web.xml

@@ -238,6 +238,14 @@
     <servlet-class>com.silverwrist.venice.servlets.PasswordRecovery</servlet-class>
   </servlet>
 
+  <servlet>
+    <servlet-name>communitylogo</servlet-name>
+    <description>
+      Changes the logo for a community (uploads a new one).
+    </description>
+    <servlet-class>com.silverwrist.venice.servlets.CommunityLogo</servlet-class>
+  </servlet>
+
   <!-- the following are test servlets, they should go away -->
 
   <servlet>
@@ -361,6 +369,11 @@
     <url-pattern>/passrecovery/*</url-pattern>
   </servlet-mapping>
 
+  <servlet-mapping>
+    <servlet-name>communitylogo</servlet-name>
+    <url-pattern>/commlogo</url-pattern>
+  </servlet-mapping>
+
   <!-- the following are test servlets, they should go away -->
   <servlet-mapping>
     <servlet-name>testformdata</servlet-name>

src/com/silverwrist/venice/core/VeniceEngine.java

@@ -89,4 +89,6 @@ public interface VeniceEngine extends SearchMode
 
   public abstract Dimension getUserPhotoSize();
 
+  public abstract Dimension getCommunityLogoSize();
+
 } // end interface VeniceEngine

src/com/silverwrist/venice/core/impl/VeniceEngineImpl.java

@@ -479,6 +479,7 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
   private static final int AUTH_STRING_LEN = 32;
 
   private static final Dimension DEFAULT_DIM_USERPHOTO = new Dimension(100,100);
+  private static final Dimension DEFAULT_DIM_COMMUNITYLOGO = new Dimension(110,65);
 
   /*--------------------------------------------------------------------------------
    * Attributes
@@ -1817,6 +1818,12 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end getUserPhotoSize
 
+  public Dimension getCommunityLogoSize()
+  {
+    return DEFAULT_DIM_COMMUNITYLOGO;
+
+  } // end getCommunityLogoSize
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface EngineBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/servlets/CommunityLogo.java

@@ -0,0 +1,168 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets;
+
+import java.io.*;
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import org.apache.log4j.*;
+import com.silverwrist.util.StringUtil;
+import com.silverwrist.util.ServletMultipartHandler;
+import com.silverwrist.util.ServletMultipartException;
+import com.silverwrist.util.image.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.servlets.format.*;
+
+public class CommunityLogo extends VeniceServlet
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  private static Category logger = Category.getInstance(CommunityLogo.class);
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class HttpServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getServletInfo()
+  {
+    String rc = "CommunityLogo servlet - changes the community logo for a community\n"
+              + "Part of the Venice Web Communities System\n";
+    return rc;
+
+  } // end getServletInfo
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class VeniceServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
+				      UserContext user, RenderData rdat)
+    throws ServletException, IOException, VeniceServletResult
+  {
+    // Get the community.
+    CommunityContext comm = getCommunityParameter(request,user,true,null);
+    changeMenuCommunity(request,comm);
+    if (!(comm.canModifyProfile()))
+      return new ErrorBox("Community Error","You are not permitted to modify this community's profile.",null);
+
+    try
+    { // create the display
+      return new CommunityLogoData(engine,comm,rdat);
+
+    } // end try
+    catch (DataException de)
+    { // error getting at the data stream from the attachment
+      return new ErrorBox("Database Error","Database error generating display: " + de.getMessage(),
+			  "sigadmin?cmd=P&sig=" + comm.getCommunityID());
+
+    } // end catch
+
+  } // end doVeniceGet
+
+  protected VeniceContent doVenicePost(HttpServletRequest request, ServletMultipartHandler mphandler,
+				       VeniceEngine engine, UserContext user, RenderData rdat)
+    throws ServletException, IOException, VeniceServletResult
+  {
+    // Get the community.
+    CommunityContext comm = getCommunityParameter(mphandler,user,true,null);
+    changeMenuCommunity(request,comm);
+    String target = "sigadmin?cmd=P&sig=" + comm.getCommunityID();
+    if (!(comm.canModifyProfile()))
+      return new ErrorBox("Community Error","You are not permitted to modify this community's profile.",
+			  target);
+
+    if (isImageButtonClicked(mphandler,"cancel"))
+      throw new RedirectResult(target);
+
+    if (isImageButtonClicked(mphandler,"upload"))
+    { // uploading the image here!
+      // also check on file parameter status
+      if (!(mphandler.isFileParam("thepic")))
+      { // bogus file parameter
+	logger.error("Internal Error: 'thepic' should be a file param");
+	return new ErrorBox(null,"Internal Error: 'thepic' should be a file param",target);
+
+      } // end if
+
+      if (!(mphandler.getContentType("thepic").startsWith("image/")))
+      { // must be an image type we uploaded!
+	logger.error("Error: 'thepic' not an image type");
+	return new ErrorBox(null,"You did not upload an image file.  Try again.",
+			    "commlogo?sig=" + comm.getCommunityID());
+
+      } // end if
+
+      try
+      { // get the real picture (normalized to 110x65 size)
+	ImageLengthPair real_pic = ImageNormalizer.normalizeImage(mphandler.getFileContentStream("thepic"),
+								  engine.getCommunityLogoSize(),"jpeg");
+
+	// set the community logo data!
+	ContactInfo ci = comm.getContactInfo();
+	ci.setPhotoData(request.getContextPath() + "/imagedata/","image/jpeg",real_pic.getLength(),
+			real_pic.getData());
+	comm.putContactInfo(ci);
+
+	// Jump back to the profile form.
+	clearMenu(request);  // allow the menu to be redisplayed
+	throw new RedirectResult(target);
+								  
+      } // end try
+      catch (ServletMultipartException smpe)
+      { // the servlet multipart parser screwed up
+	logger.error("Servlet multipart error:",smpe);
+	return new ErrorBox(null,"Internal Error: " + smpe.getMessage(),target);
+
+      } // end catch
+      catch (ImageNormalizerException ine)
+      { // the image was not valid
+	logger.error("Image normalizer error:",ine);
+	return new ErrorBox(null,ine.getMessage(),"commlogo?sig=" + comm.getCommunityID());
+
+      } // end catch
+      catch (DataException de)
+      { // error in the database!
+	logger.error("DataException:",de);
+	return new ErrorBox("Database Error","Database error storing community logo: " + de.getMessage(),
+			    target);
+
+      } // end catch
+      catch (AccessError ae)
+      { // email exception (WTF?)
+	logger.error("Access error:",ae);
+	return new ErrorBox(null,"Access error: " + ae.getMessage(),target);
+
+      } // end catch
+
+    } // end if
+    else
+    { // the button must be wrong!
+      logger.error("no known button click on CommunityLogo.doPost");
+      return new ErrorBox("Internal Error","Unknown command button pressed",target);
+
+    } // end else
+
+  } // end doVenicePost
+
+} // end class CommunityLogo

src/com/silverwrist/venice/servlets/format/CommunityLogoData.java

@@ -0,0 +1,126 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets.format;
+
+import java.awt.Dimension;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.silverwrist.util.StringUtil;
+import com.silverwrist.venice.core.*;
+
+public class CommunityLogoData implements JSPRender
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.CommunityLogoData";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private int cid;
+  private Dimension logo_dims;
+  private String logo_url;
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public CommunityLogoData(VeniceEngine engine, CommunityContext comm, RenderData rdat)
+      throws DataException
+  {
+    cid = comm.getCommunityID();
+    logo_dims = engine.getCommunityLogoSize();
+    logo_url = comm.getContactInfo().getPhotoURL();
+    if (StringUtil.isStringEmpty(logo_url))
+      logo_url = rdat.getFullImagePath("sig_other.jpg");
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static CommunityLogoData retrieve(ServletRequest request)
+  {
+    return (CommunityLogoData)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Set Community Logo";
+
+  } // end getPageTitle
+
+  public String getPageQID()
+  {
+    return null;
+
+  } // end getPageQID
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "comm_logo.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public int getCommunityID()
+  {
+    return cid;
+
+  } // end getCommunityID
+
+  public String getLogoTag(RenderData rdat)
+  {
+    StringBuffer buf = new StringBuffer("<IMG SRC=\"");
+    buf.append(logo_url).append("\" ALT=\"\" ALIGN=LEFT WIDTH=").append(logo_dims.width).append(" HEIGHT=");
+    buf.append(logo_dims.height).append(" HSPACE=6 VSPACE=0 BORDER=0>");
+    return buf.toString();
+
+  } // end getLogoTag
+
+} // end class CommunityLogoData

src/com/silverwrist/venice/servlets/format/EditCommunityProfileDialog.java

@@ -17,6 +17,7 @@
  */
 package com.silverwrist.venice.servlets.format;
 
+import java.io.*;
 import java.util.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ValidationException;
@@ -25,11 +26,66 @@ import com.silverwrist.venice.core.*;
 
 public class EditCommunityProfileDialog extends ContentDialog
 {
+  /*--------------------------------------------------------------------------------
+   * The logo URL control class.
+   *--------------------------------------------------------------------------------
+   */
+
+  static class CDCommunityLogoControl extends CDBaseFormField
+  {
+    private String linkURL;
+
+    public CDCommunityLogoControl(String name, String caption, String linkURL)
+    {
+      super(name,caption,"(click to change)",false);
+      this.linkURL = linkURL;
+      
+    } // end constructor
+
+    protected CDCommunityLogoControl(CDCommunityLogoControl other)
+    {
+      super(other);
+      this.linkURL = other.linkURL;
+
+    } // end constructor
+
+    protected void renderActualField(Writer out, RenderData rdat) throws IOException
+    {
+      if (isEnabled())
+	out.write("<A HREF=\"" + rdat.getEncodedServletPath(linkURL) + "\">");
+      String photo = getValue();
+      if (StringUtil.isStringEmpty(photo))
+	photo = rdat.getFullImagePath("sig_other.jpg");
+      out.write("<IMG SRC=\"" + photo + "\" ALT=\"\" BORDER=0 WIDTH=110 HEIGHT=65></A>");
+      if (isEnabled())
+	out.write("</A>");
+
+    } // end renderActualField
+
+    protected void validateContents(String value) throws ValidationException
+    { // this is a do-nothing value
+    } // end validateContents
+
+    public CDFormField duplicate()
+    {
+      return new CDCommunityLogoControl(this);
+
+    } // end clone
+
+    public void setLinkURL(String s)
+    {
+      linkURL = s;
+
+    } // end setLinkURL
+
+  } // end class CDCommunityLogoControl
+
   /*--------------------------------------------------------------------------------
    * Attributes
    *--------------------------------------------------------------------------------
    */
 
+  private CDCommunityLogoControl logo_control;
   private VeniceEngine engine;
   private int cid;
 
@@ -63,6 +119,8 @@ public class EditCommunityProfileDialog extends ContentDialog
     addFormField(new CDTextFormField("rules","Rules",null,false,32,255));
     addFormField(new CDLanguageListFormField("language","Primary language",null,true,language_list));
     addFormField(new CDTextFormField("url","Home page",null,false,32,255));
+    logo_control = new CDCommunityLogoControl("logo","Community logo","commlogo");
+    addFormField(logo_control);
     addFormField(new CDFormCategoryHeader("Location"));
     addFormField(new CDTextFormField("company","Company",null,false,32,255));
     addFormField(new CDTextFormField("addr1","Address",null,false,32,255));
@@ -96,6 +154,7 @@ public class EditCommunityProfileDialog extends ContentDialog
   protected EditCommunityProfileDialog(EditCommunityProfileDialog other)
   {
     super(other);
+    logo_control = (CDCommunityLogoControl)modifyField("logo");
 
   } // end constructor
 
@@ -165,6 +224,8 @@ public class EditCommunityProfileDialog extends ContentDialog
     setFieldValue("rules",comm.getRules());
     setFieldValue("language",comm.getLanguageCode());
     setFieldValue("url",ci.getURL());
+    setFieldValue("logo",ci.getPhotoURL());
+    logo_control.setLinkURL("commlogo?sig=" + comm.getCommunityID());
     setFieldValue("company",ci.getCompany());
     setFieldValue("addr1",ci.getAddressLine1());
     setFieldValue("addr2",ci.getAddressLine2());

src/com/silverwrist/venice/servlets/format/EditProfileDialog.java

@@ -39,6 +39,7 @@ public class EditProfileDialog extends ContentDialog
     public CDUserPhotoControl(String name, String caption, String linkURL)
     {
       super(name,caption,"(click to change)",false);
+      this.linkURL = linkURL;
       
     } // end constructor
 

web/format/comm_logo.jsp

@@ -0,0 +1,41 @@
+<%--
+  The contents of this file are subject to the Mozilla Public License Version 1.1
+  (the "License"); you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+
+  Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+  WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+  language governing rights and limitations under the License.
+  
+  The Original Code is the Venice Web Communities System.
+  
+  The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+  for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+  Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+
+  Contributor(s): 
+--%>
+<%@ page import = "java.util.*" %>
+<%@ page import = "com.silverwrist.util.StringUtil" %>
+<%@ page import = "com.silverwrist.venice.core.*" %>
+<%@ page import = "com.silverwrist.venice.servlets.Variables" %>
+<%@ page import = "com.silverwrist.venice.servlets.format.*" %>
+<%
+  CommunityLogoData data = CommunityLogoData.retrieve(request);
+  Variables.failIfNull(data);
+  RenderData rdat = RenderConfig.createRenderData(application,request,response);
+%>
+<% rdat.writeContentHeader(out,"Change Community Logo",null); %>
+
+<FORM METHOD="POST" ENCTYPE="multipart/form-data" ACTION="<%= rdat.getEncodedServletPath("commlogo") %>">
+  <DIV CLASS="content"><%= rdat.getStdFontTag(ColorSelectors.CONTENT_FOREGROUND,2) %>
+    <INPUT TYPE="HIDDEN" NAME="sig" VALUE="<%= data.getCommunityID() %>">
+    <%= data.getLogoTag(rdat) %>
+    New community logo:<BR>
+    <INPUT TYPE="FILE" NAME="thepic"><P>
+    <INPUT TYPE=IMAGE SRC="<%= rdat.getFullImagePath("bn_upload.gif") %>" NAME="upload" ALT="Upload"
+     WIDTH=80 HEIGHT=24 BORDER=0>&nbsp;
+    <INPUT TYPE=IMAGE SRC="<%= rdat.getFullImagePath("bn_cancel.gif") %>" NAME="cancel" ALT="Cancel"
+     WIDTH=80 HEIGHT=24 BORDER=0><BR CLEAR=LEFT>
+  </FONT></DIV>
+</FORM>