mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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d6f9f50c39
125603 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125484 slanglois: MNT-16155 Update source headers - remove old Copyrights from Java and JSP dource files
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@125781 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
347 lines
12 KiB
Java
347 lines
12 KiB
Java
package org.alfresco.web.bean.clipboard;
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import java.io.Serializable;
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import java.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import javax.faces.application.FacesMessage;
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import javax.faces.context.FacesContext;
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import javax.faces.event.ActionEvent;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.StoreRef;
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import org.alfresco.web.app.Application;
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import org.alfresco.web.app.context.UIContextService;
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import org.alfresco.web.bean.repository.Repository;
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import org.alfresco.web.ui.common.Utils;
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import org.alfresco.web.ui.common.component.UIActionLink;
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import org.alfresco.web.ui.repo.component.shelf.UIClipboardShelfItem;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Bean backing the Clipboard shelf functionality.
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* <p>
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* The clipboard bean is responsible for processing Cut/Copy requests to the clipboard
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* and for executing the various Paste calls available to the user.
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*
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* @author Kevin Roast
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*/
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public class ClipboardBean implements Serializable
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{
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private static final long serialVersionUID = -6299320341615099651L;
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private static Log logger = LogFactory.getLog(ClipboardBean.class);
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/** I18N messages */
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private static final String MSG_ERROR_PASTE = "error_paste";
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private static final String MSG_VIEW_FOR_PASTE_WARN = "not_suitable_view_for_paste_warn";
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/** Current state of the clipboard items */
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private List<ClipboardItem> items = new ArrayList<ClipboardItem>(4);
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transient private NodeService nodeService;
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private List<String> customPasteViewIds;
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// ------------------------------------------------------------------------------
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// Bean property getters and setters
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/**
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* @return Returns a list representing the items on the user clipboard.
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*/
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public List<ClipboardItem> getItems()
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{
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return this.items;
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}
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/**
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* @param items List representing the items on the user clipboard.
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*/
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public void setItems(List<ClipboardItem> items)
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{
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this.items = items;
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}
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public void setNodeService(NodeService nodeService)
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{
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this.nodeService = nodeService;
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}
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private NodeService getNodeService()
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{
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if (nodeService == null)
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{
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nodeService = Repository.getServiceRegistry(FacesContext.getCurrentInstance()).getNodeService();
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}
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return nodeService;
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}
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public void setCustomPasteViewIds(List<String> customPasteViewIds)
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{
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this.customPasteViewIds = customPasteViewIds;
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}
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public List<String> getCustomPasteViewIds()
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{
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return customPasteViewIds;
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}
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// ------------------------------------------------------------------------------
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// Navigation action event handlers
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/**
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* Action handler called to add a node to the clipboard for a Copy operation
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*/
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public void copyNode(ActionEvent event)
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{
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UIActionLink link = (UIActionLink)event.getComponent();
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Map<String, String> params = link.getParameterMap();
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String ref = params.get("ref");
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if (ref != null && ref.length() != 0)
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{
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addClipboardNode(new NodeRef(ref), null, ClipboardStatus.COPY);
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}
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}
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/**
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* Action handler called to add a node to the clipboard for a Cut operation
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*/
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public void cutNode(ActionEvent event)
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{
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UIActionLink link = (UIActionLink)event.getComponent();
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Map<String, String> params = link.getParameterMap();
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String ref = params.get("ref");
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String parent = params.get("parent");
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if (ref != null && ref.length() != 0)
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{
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NodeRef parentNodeRef = null;
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if (parent != null)
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{
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parentNodeRef = new NodeRef(Repository.getStoreRef(), parent);
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// ALF-8885 fix, if copied node is the same as parent node we should use null.
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// Primary parent will be used later in FileFolderService#moveOrCopy method
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if (parentNodeRef.toString().equals(ref))
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{
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parentNodeRef = null;
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}
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}
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addClipboardNode(new NodeRef(ref), parentNodeRef, ClipboardStatus.CUT);
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}
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}
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/**
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* Action handler call from the browse screen to Paste All clipboard items into the current Space
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*/
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public void pasteAll(ActionEvent event)
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{
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performPasteItems(-1, UIClipboardShelfItem.ACTION_PASTE_ALL);
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}
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/**
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* Action handler called to paste one or all items from the clipboard
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*/
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public void pasteItem(ActionEvent event)
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{
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UIClipboardShelfItem.ClipboardEvent clipEvent = (UIClipboardShelfItem.ClipboardEvent)event;
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int index = clipEvent.Index;
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if (index >= this.items.size())
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{
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throw new IllegalStateException("Clipboard attempting paste a non existent item index: " + index);
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}
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performPasteItems(index, clipEvent.Action);
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}
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/**
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* Perform a paste for the specified clipboard item(s)
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*
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* @param index of clipboard item to paste or -1 for all
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* @param action the clipboard action to perform (see UIClipboardShelfItem)
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*/
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private void performPasteItems(int index, int action)
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{
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FacesContext context = FacesContext.getCurrentInstance();
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boolean toClear = false;
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try
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{
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if (index == -1)
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{
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// paste all
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List<ClipboardItem> toRemove = new ArrayList<ClipboardItem>();
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for (ClipboardItem item : this.items)
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{
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if (!getNodeService().exists(item.getNodeRef()))
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{
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toRemove.add(item);
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toClear = true;
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continue;
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}
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if (performClipboardOperation(item, action) == true)
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{
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// if cut operation then remove item from the clipboard
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if (item.getMode() == ClipboardStatus.CUT)
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{
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// remember which items to remove.
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toRemove.add(item);
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}
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toClear = true;
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}
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}
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// clear the clipboard after a paste all
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if (toClear)
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{
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if (Application.getClientConfig(context).isPasteAllAndClearEnabled())
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{
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this.items.clear();
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}
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else if (toRemove.size() > 0)
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{
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// remove the items that were cut above
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for (ClipboardItem item : toRemove)
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{
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this.items.remove(item);
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}
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}
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}
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}
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else
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{
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// single paste operation
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ClipboardItem item = this.items.get(index);
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if (performClipboardOperation(item, action) == true)
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{
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// if cut operation then remove item from the clipboard
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if (item.getMode() == ClipboardStatus.CUT)
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{
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this.items.remove(index);
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}
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}
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}
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// refresh UI on success
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UIContextService.getInstance(context).notifyBeans();
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}
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catch (Throwable err)
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{
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Utils.addErrorMessage(Application.getMessage(context, MSG_ERROR_PASTE) + err.getMessage(), err);
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}
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}
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/**
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* Perform the operation for the specified clipboard item
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*
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* @param item the ClipboardItem
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* @param action the clipboard action to perform (see UIClipboardShelfItem)
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*
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* @return true on successful operation
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*/
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private boolean performClipboardOperation(ClipboardItem item, int action)
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throws Throwable
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{
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boolean success = false;
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FacesContext fc = FacesContext.getCurrentInstance();
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// test the current JSF view to see if the clipboard item can paste to it
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if (logger.isDebugEnabled())
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logger.debug("Clipboard destination View Id: " + fc.getViewRoot().getViewId());
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if (item.getMode() == ClipboardStatus.CUT)
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{
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if (item.canMoveToViewId(fc.getViewRoot().getViewId()) == true)
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{
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success = item.paste(fc, fc.getViewRoot().getViewId(), action);
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}
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else
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{
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if (Application.getClientConfig(fc).isClipboardStatusVisible())
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{
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String pattern = Application.getMessage(fc, MSG_VIEW_FOR_PASTE_WARN);
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String msg = MessageFormat.format(pattern, item.getName());
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FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_WARN, msg, msg);
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fc.addMessage(null, facesMsg);
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}
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// we cannot support this view as a Move paste location
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if (logger.isDebugEnabled())
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logger.debug("Clipboard Item: " + item.getNodeRef() + " not suitable for Move paste to current View Id.");
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}
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}
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else if (item.getMode() == ClipboardStatus.COPY)
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{
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if (item.canCopyToViewId(fc.getViewRoot().getViewId()) == true)
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{
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success = item.paste(fc, fc.getViewRoot().getViewId(), action);
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}
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else
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{
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if (Application.getClientConfig(fc).isClipboardStatusVisible())
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{
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String pattern = Application.getMessage(fc, MSG_VIEW_FOR_PASTE_WARN);
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String msg = MessageFormat.format(pattern, item.getName());
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FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_WARN, msg, msg);
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fc.addMessage(null, facesMsg);
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}
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// we cannot support this view as a Copy paste location
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if (logger.isDebugEnabled())
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logger.debug("Clipboard Item: " + item.getNodeRef() + " not suitable for Copy paste to current View Id.");
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}
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}
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return success;
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}
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/**
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* Add a clipboard node to the clipboard ready for a cut/copy operation
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*
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* @param ref NodeRef of the item for the operation
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* @param parent Parent of the item for the operation
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* @param mode ClipboardStatus for the operation
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*/
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private void addClipboardNode(NodeRef ref, NodeRef parent, ClipboardStatus mode)
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{
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// construct item based on store protocol
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ClipboardItem item = null;
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if (StoreRef.PROTOCOL_WORKSPACE.equals(ref.getStoreRef().getProtocol()))
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{
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item = new WorkspaceClipboardItem(ref, parent, mode, customPasteViewIds);
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}
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if (item != null)
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{
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// check for duplicates first
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boolean foundDuplicate = false;
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for (int i=0; i<items.size(); i++)
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{
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if (items.get(i).equals(item))
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{
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// found a duplicate replace with new instance as copy mode may have changed
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items.set(i, item);
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foundDuplicate = true;
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break;
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}
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}
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// if duplicate not found, then append to list
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if (foundDuplicate == false)
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{
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items.add(item);
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}
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// add a message to inform the user of the clipboard state now if configured
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FacesContext context = FacesContext.getCurrentInstance();
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if (Application.getClientConfig(context).isClipboardStatusVisible())
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{
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String pattern = Application.getMessage(context, "node_added_clipboard");
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String msg = MessageFormat.format(pattern, items.size());
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FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_INFO, msg, msg);
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context.addMessage(null, facesMsg);
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}
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}
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}
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}
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