root / src / gr / grnet / pithos / web / client / FileList.java @ 4a61d816
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/*
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* Copyright 2011-2012 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client; |
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import gr.grnet.pithos.web.client.foldertree.File; |
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import gr.grnet.pithos.web.client.foldertree.Folder; |
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import gr.grnet.pithos.web.client.foldertree.FolderTreeView; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.List; |
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import com.google.gwt.cell.client.Cell.Context; |
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import com.google.gwt.cell.client.ImageResourceCell; |
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import com.google.gwt.cell.client.SafeHtmlCell; |
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import com.google.gwt.cell.client.TextCell; |
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import com.google.gwt.cell.client.ValueUpdater; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.event.dom.client.ContextMenuEvent; |
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import com.google.gwt.event.dom.client.ContextMenuHandler; |
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import com.google.gwt.http.client.URL; |
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import com.google.gwt.i18n.client.DateTimeFormat; |
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import com.google.gwt.resources.client.ImageResource; |
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import com.google.gwt.safehtml.client.SafeHtmlTemplates; |
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import com.google.gwt.safehtml.shared.SafeHtml; |
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import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
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import com.google.gwt.user.cellview.client.CellTable; |
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import com.google.gwt.user.cellview.client.Column; |
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import com.google.gwt.user.client.Command; |
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import com.google.gwt.user.client.DOM; |
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import com.google.gwt.user.client.Event; |
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import com.google.gwt.user.client.Window; |
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import com.google.gwt.user.client.ui.Composite; |
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import com.google.gwt.user.client.ui.VerticalPanel; |
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import com.google.gwt.view.client.ListDataProvider; |
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import com.google.gwt.view.client.MultiSelectionModel; |
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import com.google.gwt.view.client.ProvidesKey; |
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import com.google.gwt.view.client.SelectionChangeEvent; |
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/**
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* A composite that displays the list of files in a particular folder.
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*/
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public class FileList extends Composite { |
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ListDataProvider<File> provider = new ListDataProvider<File>(); |
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/**
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* The styles applied to the table.
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*/
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interface TableStyle extends CellTable.Style { |
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String cellTableFirstColumnShared();
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} |
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interface TableResources extends CellTable.Resources { |
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@Override
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@Source({CellTable.Style.DEFAULT_CSS, "PithosCellTable.css"}) |
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TableStyle cellTableStyle(); |
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} |
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static interface Templates extends SafeHtmlTemplates { |
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Templates INSTANCE = GWT.create(Templates.class); |
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@Template("<div id='dragHelper' style='border:1px solid black; background-color:#ffffff; color:black; width:150px;z-index:100'></div>") |
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SafeHtml outerHelper(); |
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@Template("<span id='{0}'>{0}</span>") |
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public SafeHtml filenameSpan(String filename); |
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@Template("<a href='{0}' title='{1}' rel='lytebox[mnf]' onclick='myLytebox.start(this, false, false); return false;'>(view)</a>") |
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public SafeHtml viewLink(String link, String title); |
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@Template("<table><tr><td rowspan='3'>{0}</td><td style='font-size:95%;' id='{1}'>{1}</td></tr><tr><td>{2}</td></tr></table>") |
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public SafeHtml rendelContactCell(String imageHtml, String name, String fileSize); |
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@Template("<span id='{0}' class='{1}'>{2}</span>") |
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public SafeHtml spanWithIdAndClass(String id, String cssClass, String content); |
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} |
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protected final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a"); |
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/**
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* Specifies that the images available for this composite will be the ones
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* available in FileContextMenu.
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*/
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public interface Images extends FolderTreeView.Images { |
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@Source("gr/grnet/pithos/resources/blank.gif") |
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ImageResource blank(); |
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@Source("gr/grnet/pithos/resources/asc.png") |
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ImageResource asc(); |
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@Source("gr/grnet/pithos/resources/desc.png") |
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ImageResource desc(); |
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@Source("gr/grnet/pithos/resources/mimetypes/document_shared.png") |
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ImageResource documentShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst.png") |
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ImageResource wordprocessor(); |
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@Source("gr/grnet/pithos/resources/mimetypes/log.png") |
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ImageResource spreadsheet(); |
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@Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr.png") |
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ImageResource presentation(); |
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@Source("gr/grnet/pithos/resources/mimetypes/acroread.png") |
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ImageResource pdf(); |
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@Source("gr/grnet/pithos/resources/mimetypes/image.png") |
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ImageResource image(); |
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@Source("gr/grnet/pithos/resources/mimetypes/video2.png") |
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ImageResource video(); |
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@Source("gr/grnet/pithos/resources/mimetypes/knotify.png") |
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ImageResource audio(); |
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@Source("gr/grnet/pithos/resources/mimetypes/html.png") |
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ImageResource html(); |
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@Source("gr/grnet/pithos/resources/mimetypes/txt.png") |
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ImageResource txt(); |
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@Source("gr/grnet/pithos/resources/mimetypes/ark2.png") |
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ImageResource zip(); |
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@Source("gr/grnet/pithos/resources/mimetypes/kcmfontinst_shared.png") |
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ImageResource wordprocessorShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/log_shared.png") |
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ImageResource spreadsheetShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/kpresenter_kpr_shared.png") |
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ImageResource presentationShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/acroread_shared.png") |
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ImageResource pdfShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/image_shared.png") |
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ImageResource imageShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/video2_shared.png") |
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ImageResource videoShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/knotify_shared.png") |
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ImageResource audioShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/html_shared.png") |
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ImageResource htmlShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/txt_shared.png") |
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ImageResource txtShared(); |
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@Source("gr/grnet/pithos/resources/mimetypes/ark2_shared.png") |
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ImageResource zipShared(); |
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} |
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/**
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* The number of files in this folder.
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*/
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int folderFileCount;
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/**
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* Total folder size
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*/
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long folderTotalSize;
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/**
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* A cache of the files in the list.
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*/
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private List<File> files; |
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/**
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* The widget's image bundle.
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*/
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protected final Images images; |
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protected CellTable<File> celltable; |
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private final MultiSelectionModel<File> selectionModel; |
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protected final List<SortableHeader> allHeaders = new ArrayList<SortableHeader>(); |
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SortableHeader nameHeader; |
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FolderTreeView treeView; |
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protected Pithos app;
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/**
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* Construct the file list widget. This entails setting up the widget
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* layout, fetching the number of files in the current folder from the
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* server and filling the local file cache of displayed files with data from
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* the server, as well.
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*
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* @param _images
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*/
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public FileList(final Pithos _app, Images _images, FolderTreeView _treeView) { |
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app = _app; |
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images = _images; |
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this.treeView = _treeView;
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final CellTable.Resources resources = GWT.create(TableResources.class);
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ProvidesKey<File> keyProvider = new ProvidesKey<File>(){ |
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@Override
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public Object getKey(File item) { |
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return item.getUri();
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} |
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}; |
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celltable = new CellTable<File>(10, resources, keyProvider); |
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celltable.setWidth("100%");
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celltable.setStyleName("pithos-List");
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Column<File, ImageResource> status = new Column<File, ImageResource>(new ImageResourceCell() { |
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@Override
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public boolean handlesSelection() { |
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return false; |
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} |
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}) |
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{ |
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@Override
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public ImageResource getValue(File entity) { |
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return getFileIcon(entity);
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} |
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@Override
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public String getCellStyleNames(Context context, File object) { |
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if (!object.getPermissions().isEmpty() && !object.isPublished())
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return ((TableStyle) resources.cellTableStyle()).cellTableFirstColumnShared();
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return super.getCellStyleNames(context, object); |
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} |
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}; |
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celltable.addColumn(status,"");
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final Column<File,SafeHtml> nameColumn = new Column<File,SafeHtml>(new SafeHtmlCell()) { |
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@Override
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public SafeHtml getValue(File object) { |
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SafeHtmlBuilder sb = new SafeHtmlBuilder();
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sb.append(Templates.INSTANCE.filenameSpan(object.getName()));
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if (object.getContentType() != null && (object.getContentType().endsWith("png") || object.getContentType().endsWith("gif") || object.getContentType().endsWith("jpeg"))) { |
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sb.appendHtmlConstant(" ")
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.append(Templates.INSTANCE.viewLink(app.getApiPath() + object.getOwner() + object.getUri(), object.getName()));
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} |
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return sb.toSafeHtml();
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} |
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}; |
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celltable.addColumn(nameColumn, nameHeader = new SortableHeader("Name")); |
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allHeaders.add(nameHeader); |
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nameHeader.setUpdater(new FileValueUpdater(nameHeader, "name")); |
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celltable.redrawHeaders(); |
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Column<File,String> aColumn = new Column<File,String>(new TextCell()) { |
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@Override
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public String getValue(File object) { |
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// TODO Auto-generated method stub
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return object.getSizeAsString();
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} |
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}; |
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SortableHeader aheader = new SortableHeader("Size"); |
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celltable.addColumn(aColumn, aheader); |
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allHeaders.add(aheader); |
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aheader.setUpdater(new FileValueUpdater(aheader, "size")); |
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aColumn = new Column<File,String>(new TextCell()) { |
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@Override
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public String getValue(File object) { |
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return object.getLastModified() != null ? formatter.format(object.getLastModified()) : ""; |
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} |
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}; |
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aheader = new SortableHeader("Last Modified"); |
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celltable.addColumn(aColumn, aheader); |
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allHeaders.add(aheader); |
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aheader.setUpdater(new FileValueUpdater(aheader, "date")); |
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provider.addDataDisplay(celltable); |
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VerticalPanel vp = new VerticalPanel();
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vp.setWidth("100%");
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vp.addStyleName("pithos-FileListContainer");
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vp.add(celltable); |
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vp.setCellWidth(celltable, "100%");
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vp.addHandler(new ContextMenuHandler() {
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@Override
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public void onContextMenu(final ContextMenuEvent event) { |
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final TreeView tree = app.getSelectedTree();
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if (tree != null && (tree.equals(app.getFolderTreeView()) || tree.equals(app.getOtherSharedTreeView()))) { |
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final int x = event.getNativeEvent().getClientX(); |
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final int y = event.getNativeEvent().getClientY(); |
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final Folder selectedFolder = app.getSelection();
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app.scheduleFolderHeadCommand(selectedFolder, new Command() {
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@Override
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public void execute() { |
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final List<File> selectedFiles = getSelectedFiles(); |
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Iterator<File> iter = selectedFiles.iterator(); |
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iterateFilesHeadCommand(iter, new Command() {
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@Override
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public void execute() { |
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FileContextMenu contextMenu = new FileContextMenu(app, images, tree, selectedFolder, selectedFiles);
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contextMenu.setPopupPosition(x, y); |
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contextMenu.show(); |
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} |
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}); |
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} |
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}); |
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} |
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} |
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}, ContextMenuEvent.getType()); |
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initWidget(vp); |
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selectionModel = new MultiSelectionModel<File>(keyProvider); |
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selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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@Override
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public void onSelectionChange(SelectionChangeEvent event) { |
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app.showRelevantToolbarButtons(); |
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} |
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}); |
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celltable.setSelectionModel(selectionModel, PithosSelectionEventManager.<File> createDefaultManager());
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// celltable.setPageSize(Pithos.VISIBLE_FILE_COUNT);
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sinkEvents(Event.ONCONTEXTMENU);
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// sinkEvents(Event.ONMOUSEUP);
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// sinkEvents(Event.ONMOUSEDOWN);
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// sinkEvents(Event.ONCLICK);
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// sinkEvents(Event.ONKEYDOWN);
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sinkEvents(Event.ONDBLCLICK);
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Pithos.preventIESelection(); |
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} |
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public List<File> getSelectedFiles() { |
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return new ArrayList<File>(selectionModel.getSelectedSet()); |
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} |
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@Override
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public void onBrowserEvent(Event event) { |
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// if (files == null || files.size() == 0) {
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// if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
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// contextMenu = new FileContextMenu(images, false, true);
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// contextMenu.show();
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// event.preventDefault();
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// event.cancelBubble(true);
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// }
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// return;
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// }
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// if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() != 0) {
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// GWT.log("*****GOING TO SHOW CONTEXT MENU ****", null);
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// contextMenu = new FileContextMenu(images, false, false);
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// contextMenu = contextMenu.onEvent(event);
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// event.cancelBubble(true);
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// event.preventDefault();
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// } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) {
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// contextMenu = new FileContextMenu(images, false, true);
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// contextMenu = contextMenu.onEmptyEvent(event);
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// event.cancelBubble(true);
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// event.preventDefault();
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// } else
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if (DOM.eventGetType(event) == Event.ONDBLCLICK) |
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if (getSelectedFiles().size() == 1) { |
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File file = getSelectedFiles().get(0); |
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Window.open(app.getApiPath() + file.getOwner() + file.getUri(), "_blank", ""); |
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event.preventDefault(); |
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return;
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} |
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super.onBrowserEvent(event);
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} |
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/**
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* Update the display of the file list.
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*/
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void update() {
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showCellTable(); |
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} |
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/**
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* Return the proper icon based on the MIME type of the file.
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*
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* @param file
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* @return the icon
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*/
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protected ImageResource getFileIcon(File file) { |
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String mimetype = file.getContentType();
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boolean published = file.isPublished();
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if (mimetype == null) |
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return published ? images.documentShared() : images.document();
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mimetype = mimetype.toLowerCase(); |
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if (mimetype.startsWith("application/pdf")) |
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return published ? images.pdfShared() : images.pdf();
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else if (mimetype.endsWith("excel")) |
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return published ? images.spreadsheetShared() : images.spreadsheet();
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else if (mimetype.endsWith("msword")) |
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return published ? images.wordprocessorShared() : images.wordprocessor();
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else if (mimetype.endsWith("powerpoint")) |
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return published ? images.presentationShared() : images.presentation();
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else if (mimetype.startsWith("application/zip") || |
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mimetype.startsWith("application/gzip") ||
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mimetype.startsWith("application/x-gzip") ||
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mimetype.startsWith("application/x-tar") ||
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mimetype.startsWith("application/x-gtar"))
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return published ? images.zipShared() : images.zip();
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else if (mimetype.startsWith("text/html")) |
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return published ? images.htmlShared() : images.html();
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else if (mimetype.startsWith("text/plain")) |
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return published ? images.txtShared() : images.txt();
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else if (mimetype.startsWith("image/")) |
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return published ? images.imageShared() : images.image();
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else if (mimetype.startsWith("video/")) |
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return published ? images.videoShared() : images.video();
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else if (mimetype.startsWith("audio/")) |
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return published ? images.audioShared() : images.audio();
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return published ? images.documentShared() : images.document();
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} |
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/**
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* Fill the file cache with data.
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*/
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public void setFiles(final List<File> _files) { |
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files = new ArrayList<File>(); |
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for (File fres : _files) { |
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files.add(fres); |
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} |
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Collections.sort(files, new Comparator<File>() { |
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@Override
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public int compare(File arg0, File arg1) { |
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return arg0.getName().compareTo(arg1.getName());
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} |
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}); |
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folderFileCount = files.size(); |
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nameHeader.setSorted(true);
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nameHeader.toggleReverseSort(); |
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for (SortableHeader otherHeader : allHeaders) {
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if (otherHeader != nameHeader) {
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otherHeader.setSorted(false);
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otherHeader.setReverseSort(true);
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} |
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} |
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List<File> previousSelection = getSelectedFiles(); //Keep the previous selection |
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provider.getList().clear(); |
495 |
provider.setList(files); |
496 |
selectionModel.clear(); |
497 |
for (File f : files) { |
498 |
if (previousSelection.contains(f))
|
499 |
selectionModel.setSelected(f, true);
|
500 |
} |
501 |
|
502 |
app.showFolderStatistics(folderFileCount); |
503 |
celltable.setPageSize(folderFileCount); |
504 |
} |
505 |
|
506 |
/**
|
507 |
* Does the list contains the requested filename
|
508 |
*
|
509 |
* @param fileName
|
510 |
* @return true/false
|
511 |
*/
|
512 |
public boolean contains(String fileName) { |
513 |
for (int i = 0; i < files.size(); i++) |
514 |
if (files.get(i).getName().equals(fileName))
|
515 |
return true; |
516 |
return false; |
517 |
} |
518 |
|
519 |
public void clearSelectedRows() { |
520 |
Iterator<File> it = selectionModel.getSelectedSet().iterator(); |
521 |
while(it.hasNext()){
|
522 |
selectionModel.setSelected(it.next(),false);
|
523 |
} |
524 |
} |
525 |
|
526 |
/**
|
527 |
*
|
528 |
*/
|
529 |
public void selectAllRows() { |
530 |
Iterator<File> it = provider.getList().iterator(); |
531 |
while(it.hasNext()){
|
532 |
selectionModel.setSelected(it.next(),true);
|
533 |
} |
534 |
} |
535 |
|
536 |
protected void sortFiles(final String sortingProperty, final boolean sortingType){ |
537 |
Collections.sort(files, new Comparator<File>() { |
538 |
|
539 |
@Override
|
540 |
public int compare(File arg0, File arg1) { |
541 |
if (sortingType){
|
542 |
if (sortingProperty.equals("version")) { |
543 |
return arg0.getVersion() - arg1.getVersion();
|
544 |
} else if (sortingProperty.equals("owner")) { |
545 |
return arg0.getOwner().compareTo(arg1.getOwner());
|
546 |
} else if (sortingProperty.equals("date")) { |
547 |
if (arg0.getLastModified() != null && arg1.getLastModified() != null) |
548 |
return arg0.getLastModified().compareTo(arg1.getLastModified());
|
549 |
return 0; |
550 |
} else if (sortingProperty.equals("size")) { |
551 |
return (int) (arg0.getBytes() - arg1.getBytes()); |
552 |
} else if (sortingProperty.equals("name")) { |
553 |
return arg0.getName().compareTo(arg1.getName());
|
554 |
} else if (sortingProperty.equals("path")) { |
555 |
return arg0.getUri().compareTo(arg1.getUri());
|
556 |
} else {
|
557 |
return arg0.getName().compareTo(arg1.getName());
|
558 |
} |
559 |
} |
560 |
else if (sortingProperty.equals("version")) { |
561 |
|
562 |
return arg1.getVersion() - arg0.getVersion();
|
563 |
} else if (sortingProperty.equals("owner")) { |
564 |
|
565 |
return arg1.getOwner().compareTo(arg0.getOwner());
|
566 |
} else if (sortingProperty.equals("date")) { |
567 |
|
568 |
return arg1.getLastModified().compareTo(arg0.getLastModified());
|
569 |
} else if (sortingProperty.equals("size")) { |
570 |
return (int) (arg1.getBytes() - arg0.getBytes()); |
571 |
} else if (sortingProperty.equals("name")) { |
572 |
|
573 |
return arg1.getName().compareTo(arg0.getName());
|
574 |
} else if (sortingProperty.equals("path")) { |
575 |
|
576 |
return arg1.getUri().compareTo(arg0.getUri());
|
577 |
} else {
|
578 |
|
579 |
return arg1.getName().compareTo(arg0.getName());
|
580 |
} |
581 |
} |
582 |
|
583 |
}); |
584 |
} |
585 |
|
586 |
final class FileValueUpdater implements ValueUpdater<String>{ |
587 |
private String property; |
588 |
private SortableHeader header;
|
589 |
/**
|
590 |
*
|
591 |
*/
|
592 |
public FileValueUpdater(SortableHeader header,String property) { |
593 |
this.property=property;
|
594 |
this.header=header;
|
595 |
} |
596 |
@Override
|
597 |
public void update(String value) { |
598 |
header.setSorted(true);
|
599 |
header.toggleReverseSort(); |
600 |
|
601 |
for (SortableHeader otherHeader : allHeaders) {
|
602 |
if (otherHeader != header) {
|
603 |
otherHeader.setSorted(false);
|
604 |
otherHeader.setReverseSort(true);
|
605 |
} |
606 |
} |
607 |
celltable.redrawHeaders(); |
608 |
sortFiles(property, header.getReverseSort()); |
609 |
FileList.this.update(); |
610 |
} |
611 |
|
612 |
} |
613 |
|
614 |
/**
|
615 |
* Shows the files in the cellTable
|
616 |
*/
|
617 |
private void showCellTable(){ |
618 |
provider.setList(files); |
619 |
|
620 |
provider.refresh(); |
621 |
|
622 |
//celltable.redraw();
|
623 |
celltable.redrawHeaders(); |
624 |
} |
625 |
|
626 |
void iterateFilesHeadCommand(final Iterator<File> iter, final Command callback) { |
627 |
if (iter.hasNext()) {
|
628 |
File f = iter.next();
|
629 |
app.scheduleFileHeadCommand(f, new Command() {
|
630 |
|
631 |
@Override
|
632 |
public void execute() { |
633 |
iterateFilesHeadCommand(iter, callback); |
634 |
} |
635 |
}); |
636 |
} |
637 |
else if (callback != null) |
638 |
callback.execute(); |
639 |
} |
640 |
} |