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- More AJAX support (couple of bug fixes, added timing for AJAX calls, added support for adding AJAX scripts to a page once and once only)

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3352 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Gavin Cornwell
2006-07-19 11:50:32 +00:00
parent 43746353a4
commit a1200deadb
17 changed files with 558 additions and 55 deletions
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35
source/java/org/alfresco/web/ui/common/Utils.java
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@@ -88,6 +88,8 @@ public final class Utils
private static final String DEFAULT_FILE_IMAGE16 = IMAGE_PREFIX16 + "_default" + IMAGE_POSTFIX;
private static final String DEFAULT_FILE_IMAGE32 = IMAGE_PREFIX32 + "_default" + IMAGE_POSTFIX;
private static final String AJAX_SCRIPTS_WRITTEN = "_alfAjaxScriptsWritten";
private static final Map<String, String> s_fileExtensionMap = new HashMap<String, String>(89, 1.0f);
private static Log logger = LogFactory.getLog(Utils.class);
@@ -1238,4 +1240,37 @@ public final class Utils
return description;
}
/**
* Writes the script tags for including AJAX support, ensuring they
* only get written once per page render.
*
* @param context Faces context
* @param out The response writer
*/
@SuppressWarnings("unchecked")
public static void writeAjaxScripts(FacesContext context, ResponseWriter out)
throws IOException
{
Object present = context.getExternalContext().getRequestMap().get(AJAX_SCRIPTS_WRITTEN);
if (present == null)
{
// write out the scripts
out.write("\n<script type=\"text/javascript\" src=\"");
out.write(context.getExternalContext().getRequestContextPath());
out.write("/scripts/ajax/dojo.js\"> </script>\n");
out.write("<script type=\"text/javascript\" src=\"");
out.write(context.getExternalContext().getRequestContextPath());
out.write("/scripts/ajax/common.js\"> </script>\n");
// write out a global variable to hold the webapp context path
out.write("<script type=\"text/javascript\">var WEBAPP_CONTEXT = '");
out.write(context.getExternalContext().getRequestContextPath());
out.write("';</script>\n");
// add marker to request
context.getExternalContext().getRequestMap().put(AJAX_SCRIPTS_WRITTEN, Boolean.TRUE);
}
}
}