root / src / gr / grnet / pithos / web / client / FileList.java @ e6e9f6e6
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/*
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* Copyright 2011-2013 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 java.util.Set; |
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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.i18n.client.DateTimeFormat; |
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import com.google.gwt.resources.client.ImageResource; |
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import com.google.gwt.resources.client.ImageResource.ImageOptions; |
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import com.google.gwt.resources.client.ImageResource.RepeatStyle; |
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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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@Source("share.png") |
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@ImageOptions(repeatStyle = RepeatStyle.None)
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ImageResource cellTableSharedIcon(); |
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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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Column<File, String> pathColumn; |
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protected final List<SortableHeader> allHeaders = new ArrayList<SortableHeader>(); |
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SortableHeader nameHeader; |
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SortableHeader pathHeader; |
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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) { |
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app = _app; |
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images = _images; |
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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.getOwnerID() + 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", "name")); |
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allHeaders.add(nameHeader); |
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nameHeader.setUpdater(new FileValueUpdater(nameHeader));
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nameHeader.setSorted(true);
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nameHeader.setReverseSort(true);
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celltable.redrawHeaders(); |
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pathColumn = new Column<File, String>(new TextCell()) { |
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@Override
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public String getValue(File f) { |
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String path;
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if (!app.getSelectedTree().equals(app.mysharedTreeView)) {
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path = f.getParent().getPrefix(); |
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if (path.length() == 0) |
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path = "/";
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} |
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else {
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path = f.getPath(); |
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if (path.lastIndexOf("/") != -1) |
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path = path.substring(0, path.lastIndexOf("/")); |
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else
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path = "/";
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} |
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return path;
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} |
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}; |
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pathHeader = new SortableHeader("Path", "path"); |
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celltable.addColumn(pathColumn, pathHeader); |
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allHeaders.add(pathHeader); |
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pathHeader.setUpdater(new FileValueUpdater(pathHeader));
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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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return object.getSizeAsString();
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} |
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}; |
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SortableHeader aheader = new SortableHeader("Size", "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));
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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", "date"); |
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celltable.addColumn(aColumn, aheader); |
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allHeaders.add(aheader); |
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aheader.setUpdater(new FileValueUpdater(aheader));
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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) { |
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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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sinkEvents(Event.ONCONTEXTMENU);
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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 (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.getOwnerID() + 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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/**
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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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/**
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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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if (!app.getSelectedTree().equals(app.mysharedTreeView)) {
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if (celltable.getColumnIndex(pathColumn) != -1) |
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celltable.removeColumn(pathColumn); |
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} |
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else {
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if (celltable.getColumnIndex(pathColumn) == -1) |
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celltable.insertColumn(2, pathColumn, pathHeader);
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} |
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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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folderFileCount = files.size(); |
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for (SortableHeader header : allHeaders) {
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if (header.isSorted())
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sortFiles(header.getProperty(), header.getReverseSort()); |
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} |
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|
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List<File> previousSelection = getSelectedFiles(); //Keep the previous selection |
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|
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provider.getList().clear(); |
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provider.setList(files); |
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selectionModel.clear(); |
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for (File f : files) { |
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if (previousSelection.contains(f))
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selectionModel.setSelected(f, true);
|
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} |
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|
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app.showFolderStatistics(folderFileCount); |
506 |
celltable.setPageSize(folderFileCount); |
507 |
} |
508 |
|
509 |
/**
|
510 |
* Does the list contains the requested filename
|
511 |
*
|
512 |
* @param fileName
|
513 |
* @return true/false
|
514 |
*/
|
515 |
public boolean contains(String fileName) { |
516 |
for (int i = 0; i < files.size(); i++) |
517 |
if (files.get(i).getName().equals(fileName))
|
518 |
return true; |
519 |
return false; |
520 |
} |
521 |
|
522 |
public void clearSelectedRows() { |
523 |
Iterator<File> it = selectionModel.getSelectedSet().iterator(); |
524 |
while(it.hasNext()){
|
525 |
selectionModel.setSelected(it.next(),false);
|
526 |
} |
527 |
} |
528 |
|
529 |
/**
|
530 |
*
|
531 |
*/
|
532 |
public void selectAllRows() { |
533 |
Iterator<File> it = provider.getList().iterator(); |
534 |
while(it.hasNext()){
|
535 |
selectionModel.setSelected(it.next(),true);
|
536 |
} |
537 |
} |
538 |
|
539 |
protected void sortFiles(final String sortingProperty, final boolean sortingType){ |
540 |
Collections.sort(files, new Comparator<File>() { |
541 |
|
542 |
@Override
|
543 |
public int compare(File arg0, File arg1) { |
544 |
if (sortingType){
|
545 |
if (sortingProperty.equals("version")) { |
546 |
return arg0.getVersion() - arg1.getVersion();
|
547 |
} else if (sortingProperty.equals("owner")) { |
548 |
return arg0.getOwnerID().compareTo(arg1.getOwnerID());
|
549 |
} else if (sortingProperty.equals("date")) { |
550 |
if (arg0.getLastModified() != null && arg1.getLastModified() != null) |
551 |
return arg0.getLastModified().compareTo(arg1.getLastModified());
|
552 |
return 0; |
553 |
} else if (sortingProperty.equals("size")) { |
554 |
return (int) (arg0.getBytes() - arg1.getBytes()); |
555 |
} else if (sortingProperty.equals("name")) { |
556 |
return arg0.getName().compareTo(arg1.getName());
|
557 |
} else if (sortingProperty.equals("path")) { |
558 |
return arg0.getUri().compareTo(arg1.getUri());
|
559 |
} else {
|
560 |
return arg0.getName().compareTo(arg1.getName());
|
561 |
} |
562 |
} |
563 |
else if (sortingProperty.equals("version")) { |
564 |
|
565 |
return arg1.getVersion() - arg0.getVersion();
|
566 |
} else if (sortingProperty.equals("owner")) { |
567 |
|
568 |
return arg1.getOwnerID().compareTo(arg0.getOwnerID());
|
569 |
} else if (sortingProperty.equals("date")) { |
570 |
|
571 |
return arg1.getLastModified().compareTo(arg0.getLastModified());
|
572 |
} else if (sortingProperty.equals("size")) { |
573 |
return (int) (arg1.getBytes() - arg0.getBytes()); |
574 |
} else if (sortingProperty.equals("name")) { |
575 |
|
576 |
return arg1.getName().compareTo(arg0.getName());
|
577 |
} else if (sortingProperty.equals("path")) { |
578 |
|
579 |
return arg1.getUri().compareTo(arg0.getUri());
|
580 |
} else {
|
581 |
|
582 |
return arg1.getName().compareTo(arg0.getName());
|
583 |
} |
584 |
} |
585 |
|
586 |
}); |
587 |
} |
588 |
|
589 |
final class FileValueUpdater implements ValueUpdater<String>{ |
590 |
private SortableHeader header;
|
591 |
/**
|
592 |
*
|
593 |
*/
|
594 |
public FileValueUpdater(SortableHeader header) {
|
595 |
this.header=header;
|
596 |
} |
597 |
@Override
|
598 |
public void update(String value) { |
599 |
header.setSorted(true);
|
600 |
header.toggleReverseSort(); |
601 |
|
602 |
for (SortableHeader otherHeader : allHeaders) {
|
603 |
if (otherHeader != header) {
|
604 |
otherHeader.setSorted(false);
|
605 |
otherHeader.setReverseSort(true);
|
606 |
} |
607 |
} |
608 |
celltable.redrawHeaders(); |
609 |
sortFiles(header.getProperty(), header.getReverseSort()); |
610 |
FileList.this.update(); |
611 |
} |
612 |
|
613 |
} |
614 |
|
615 |
/**
|
616 |
* Shows the files in the cellTable
|
617 |
*/
|
618 |
private void showCellTable(){ |
619 |
provider.setList(files); |
620 |
|
621 |
provider.refresh(); |
622 |
|
623 |
//celltable.redraw();
|
624 |
celltable.redrawHeaders(); |
625 |
} |
626 |
|
627 |
void iterateFilesHeadCommand(final Iterator<File> iter, final Command callback) { |
628 |
if (iter.hasNext()) {
|
629 |
File f = iter.next();
|
630 |
app.scheduleFileHeadCommand(f, new Command() {
|
631 |
|
632 |
@Override
|
633 |
public void execute() { |
634 |
iterateFilesHeadCommand(iter, callback); |
635 |
} |
636 |
}); |
637 |
} |
638 |
else if (callback != null) |
639 |
callback.execute(); |
640 |
} |
641 |
|
642 |
public void selectByUrl(List<String> selectedUrls) { |
643 |
Set<File> previous = selectionModel.getSelectedSet(); |
644 |
for (File f : previous) |
645 |
selectionModel.setSelected(f, false);
|
646 |
|
647 |
int i = 0; |
648 |
boolean scrolled = false; |
649 |
for (File f : files) { |
650 |
if (selectedUrls.contains(app.getApiPath() + f.getOwnerID() + f.getUri())) {
|
651 |
selectionModel.setSelected(f, true);
|
652 |
if (!scrolled) {
|
653 |
celltable.getRowElement(i).getCells().getItem(0).scrollIntoView();
|
654 |
scrolled = true;
|
655 |
} |
656 |
} |
657 |
i++; |
658 |
} |
659 |
} |
660 |
} |