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. Added client config setting to allow the Shelf component to be hidden by default

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. Added ExpiringValueCache class used to hold simple lists in the client that don't need refreshing constantly

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2105 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Kevin Roast
2006-01-12 17:29:56 +00:00
parent 2652d33f08
commit aaff54e53c
7 changed files with 127 additions and 89 deletions
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67
source/java/org/alfresco/web/bean/preview/BasePreviewBean.java
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@@ -26,6 +26,7 @@ import javax.faces.event.ActionEvent;
import javax.faces.model.SelectItem;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.cache.ExpiringValueCache;
import org.alfresco.service.cmr.dictionary.DictionaryService;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
@@ -67,6 +68,9 @@ public abstract class BasePreviewBean
protected NodeRef template;
/** cache of templates that last 10 seconds - enough for a couple of page refreshes */
private ExpiringValueCache<List<SelectItem>> cachedTemplates = new ExpiringValueCache<List<SelectItem>>(1000*10);
/**
* @param nodeService The nodeService to set.
@@ -130,40 +134,45 @@ public abstract class BasePreviewBean
/**
* @return the list of available Content Templates that can be applied to the current document.
*/
public SelectItem[] getTemplates()
public List<SelectItem> getTemplates()
{
// TODO: could cache this last for say 1 minute before requerying
// get the template from the special Content Templates folder
FacesContext context = FacesContext.getCurrentInstance();
String xpath = Application.getRootPath(context) + "/" +
Application.getGlossaryFolderName(context) + "/" +
Application.getContentTemplatesFolderName(context) + "//*";
NodeRef rootNodeRef = this.nodeService.getRootNode(Repository.getStoreRef());
NamespaceService resolver = Repository.getServiceRegistry(context).getNamespaceService();
List<NodeRef> results = this.searchService.selectNodes(rootNodeRef, xpath, null, resolver, false);
List<SelectItem> templates = new ArrayList<SelectItem>(results.size() + 1);
if (results.size() != 0)
List<SelectItem> templates = cachedTemplates.get();
if (templates == null)
{
DictionaryService dd = Repository.getServiceRegistry(context).getDictionaryService();
for (NodeRef ref : results)
// get the template from the special Content Templates folder
FacesContext context = FacesContext.getCurrentInstance();
String xpath = Application.getRootPath(context) + "/" +
Application.getGlossaryFolderName(context) + "/" +
Application.getContentTemplatesFolderName(context) + "//*";
NodeRef rootNodeRef = this.nodeService.getRootNode(Repository.getStoreRef());
NamespaceService resolver = Repository.getServiceRegistry(context).getNamespaceService();
List<NodeRef> results = this.searchService.selectNodes(rootNodeRef, xpath, null, resolver, false);
templates = new ArrayList<SelectItem>(results.size() + 1);
if (results.size() != 0)
{
Node childNode = new Node(ref);
if (dd.isSubClass(childNode.getType(), ContentModel.TYPE_CONTENT))
DictionaryService dd = Repository.getServiceRegistry(context).getDictionaryService();
for (NodeRef ref : results)
{
templates.add(new SelectItem(childNode.getId(), childNode.getName()));
Node childNode = new Node(ref);
if (dd.isSubClass(childNode.getType(), ContentModel.TYPE_CONTENT))
{
templates.add(new SelectItem(childNode.getId(), childNode.getName()));
}
}
// make sure the list is sorted by the label
QuickSort sorter = new QuickSort(templates, "label", true, IDataContainer.SORT_CASEINSENSITIVE);
sorter.sort();
}
// make sure the list is sorted by the label
QuickSort sorter = new QuickSort(templates, "label", true, IDataContainer.SORT_CASEINSENSITIVE);
sorter.sort();
// add an entry (at the start) to instruct the user to select a template
templates.add(0, new SelectItem(NO_SELECTION, Application.getMessage(FacesContext.getCurrentInstance(), "select_a_template")));
cachedTemplates.put(templates);
}
// add an entry (at the start) to instruct the user to select a template
templates.add(0, new SelectItem(NO_SELECTION, Application.getMessage(FacesContext.getCurrentInstance(), "select_a_template")));
return templates.toArray(new SelectItem[templates.size()]);
return templates;
}
/**
@@ -176,10 +185,10 @@ public abstract class BasePreviewBean
/** Template Image resolver helper */
protected TemplateImageResolver imageResolver = new TemplateImageResolver()
{
public String resolveImagePathForName(String filename, boolean small)
{
return Utils.getFileTypeImage(filename, small);
}
public String resolveImagePathForName(String filename, boolean small)
{
return Utils.getFileTypeImage(filename, small);
}
};
/**