X-Git-Url: https://code.grnet.gr/git/pithos/blobdiff_plain/16baf609bb746ccbc6cd8da7213ee74cf474f2a9..f25aa622850d7dc2675950425e36c91ab263d2d5:/src/gr/ebs/gss/client/FileList.java diff --git a/src/gr/ebs/gss/client/FileList.java b/src/gr/ebs/gss/client/FileList.java index 9cab865..a3bedc9 100644 --- a/src/gr/ebs/gss/client/FileList.java +++ b/src/gr/ebs/gss/client/FileList.java @@ -1,1012 +1,999 @@ -/* - * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd. - * - * This file is part of GSS. - * - * GSS is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * GSS is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GSS. If not, see . - */ -package gr.ebs.gss.client; - -import gr.ebs.gss.client.dnd.DnDFocusPanel; -import gr.ebs.gss.client.dnd.DnDTreeItem; -import gr.ebs.gss.client.rest.GetCommand; -import gr.ebs.gss.client.rest.MultipleHeadCommand; -import gr.ebs.gss.client.rest.RestCommand; -import gr.ebs.gss.client.rest.RestException; -import gr.ebs.gss.client.rest.resource.FileResource; -import gr.ebs.gss.client.rest.resource.FolderResource; -import gr.ebs.gss.client.rest.resource.OtherUserResource; -import gr.ebs.gss.client.rest.resource.SharedResource; -import gr.ebs.gss.client.rest.resource.TrashResource; -import gr.ebs.gss.client.rest.resource.UserResource; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; -import java.util.List; - -import com.google.gwt.core.client.GWT; -import com.google.gwt.http.client.URL; -import com.google.gwt.i18n.client.DateTimeFormat; -import com.google.gwt.user.client.DOM; -import com.google.gwt.user.client.DeferredCommand; -import com.google.gwt.user.client.Event; -import com.google.gwt.user.client.IncrementalCommand; -import com.google.gwt.user.client.Window; -import com.google.gwt.user.client.ui.AbstractImagePrototype; -import com.google.gwt.user.client.ui.ClickListener; -import com.google.gwt.user.client.ui.Composite; -import com.google.gwt.user.client.ui.Grid; -import com.google.gwt.user.client.ui.HTML; -import com.google.gwt.user.client.ui.HasHorizontalAlignment; -import com.google.gwt.user.client.ui.HorizontalPanel; -import com.google.gwt.user.client.ui.SourcesTableEvents; -import com.google.gwt.user.client.ui.TableListener; -import com.google.gwt.user.client.ui.TreeItem; -import com.google.gwt.user.client.ui.Widget; - -/** - * A composite that displays the list of files in a particular folder. - */ -public class FileList extends Composite implements TableListener, ClickListener { - - private HTML prevButton = new HTML("< Previous", true); - - private HTML nextButton = new HTML("Next >", true); - - private String showingStats = ""; - - private int startIndex = 0; - - /** - * A constant that denotes the completion of an IncrementalCommand. - */ - public static final boolean DONE = false; - - private boolean clickControl = false; - - private boolean clickShift = false; - - private int firstShift = -1; - - private ArrayList selectedRows = new ArrayList(); - - /** - * The context menu for the selected file. - */ - final DnDFocusPanel contextMenu; - - /** - * Specifies that the images available for this composite will be the ones - * available in FileContextMenu. - */ - public interface Images extends FileContextMenu.Images, Folders.Images { - - @Resource("gr/ebs/gss/resources/blank.gif") - AbstractImagePrototype blank(); - - @Resource("gr/ebs/gss/resources/asc.png") - AbstractImagePrototype asc(); - - @Resource("gr/ebs/gss/resources/desc.png") - AbstractImagePrototype desc(); - - @Resource("gr/ebs/gss/resources/mimetypes/document_shared.png") - AbstractImagePrototype documentShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/kcmfontinst.png") - AbstractImagePrototype wordprocessor(); - - @Resource("gr/ebs/gss/resources/mimetypes/log.png") - AbstractImagePrototype spreadsheet(); - - @Resource("gr/ebs/gss/resources/mimetypes/kpresenter_kpr.png") - AbstractImagePrototype presentation(); - - @Resource("gr/ebs/gss/resources/mimetypes/acroread.png") - AbstractImagePrototype pdf(); - - @Resource("gr/ebs/gss/resources/mimetypes/image.png") - AbstractImagePrototype image(); - - @Resource("gr/ebs/gss/resources/mimetypes/video2.png") - AbstractImagePrototype video(); - - @Resource("gr/ebs/gss/resources/mimetypes/knotify.png") - AbstractImagePrototype audio(); - - @Resource("gr/ebs/gss/resources/mimetypes/html.png") - AbstractImagePrototype html(); - - @Resource("gr/ebs/gss/resources/mimetypes/txt.png") - AbstractImagePrototype txt(); - - @Resource("gr/ebs/gss/resources/mimetypes/ark2.png") - AbstractImagePrototype zip(); - - @Resource("gr/ebs/gss/resources/mimetypes/kcmfontinst_shared.png") - AbstractImagePrototype wordprocessorShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/log_shared.png") - AbstractImagePrototype spreadsheetShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/kpresenter_kpr_shared.png") - AbstractImagePrototype presentationShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/acroread_shared.png") - AbstractImagePrototype pdfShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/image_shared.png") - AbstractImagePrototype imageShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/video2_shared.png") - AbstractImagePrototype videoShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/knotify_shared.png") - AbstractImagePrototype audioShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/html_shared.png") - AbstractImagePrototype htmlShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/txt_shared.png") - AbstractImagePrototype txtShared(); - - @Resource("gr/ebs/gss/resources/mimetypes/ark2_shared.png") - AbstractImagePrototype zipShared(); - - } - - /** - * A label with the number of files in this folder. - */ - private HTML countLabel = new HTML(); - - /** - * The table widget with the file list. - */ - private Grid table = new Grid(GSS.VISIBLE_FILE_COUNT + 1, 8); - - /** - * The navigation bar for paginating the results. - */ - private HorizontalPanel navBar = new HorizontalPanel(); - - /** - * The number of files in this folder. - */ - int folderFileCount; - - /** - * Total folder size - */ - long folderTotalSize; - - /** - * A cache of the files in the list. - */ - private List files; - - /** - * The widget's image bundle. - */ - private final Images images; - - private String sortingProperty = "name"; - - private boolean sortingType = true; - - private HTML nameLabel; - - private HTML versionLabel; - - private HTML sizeLabel; - - private HTML dateLabel; - - private HTML ownerLabel; - - private HTML pathLabel; - - /** - * Construct the file list widget. This entails setting up the widget - * layout, fetching the number of files in the current folder from the - * server and filling the local file cache of displayed files with data from - * the server, as well. - * - * @param _images - */ - public FileList(Images _images) { - images = _images; - - prevButton.addClickListener(this); - nextButton.addClickListener(this); - - contextMenu = new DnDFocusPanel(new HTML(images.fileContextMenu().getHTML())); - contextMenu.addClickListener(new FileContextMenu(images, false, false)); - GSS.get().getDragController().makeDraggable(contextMenu); - - // Setup the table. - table.setCellSpacing(0); - table.setCellPadding(2); - table.setWidth("100%"); - - // Hook up events. - table.addTableListener(this); - - // Create the 'navigation' bar at the upper-right. - HorizontalPanel innerNavBar = new HorizontalPanel(); - innerNavBar.setStyleName("gss-ListNavBar"); - innerNavBar.setSpacing(8); - innerNavBar.add(prevButton); - innerNavBar.add(countLabel); - innerNavBar.add(nextButton); - navBar.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT); - navBar.add(innerNavBar); - navBar.setWidth("100%"); - - initWidget(table); - setStyleName("gss-List"); - - initTable(); - DeferredCommand.addCommand(new IncrementalCommand() { - - public boolean execute() { - return fetchRootFolder(); - } - }); - sinkEvents(Event.ONCONTEXTMENU); - sinkEvents(Event.ONMOUSEUP); - sinkEvents(Event.ONCLICK); - sinkEvents(Event.ONKEYDOWN); - sinkEvents(Event.ONDBLCLICK); - GSS.preventIESelection(); - } - - public void onClick(Widget sender) { - if (sender == nextButton) { - // Move forward a page. - clearSelectedRows(); - startIndex += GSS.VISIBLE_FILE_COUNT; - if (startIndex >= folderFileCount) - startIndex -= GSS.VISIBLE_FILE_COUNT; - else - update(); - } else if (sender == prevButton) { - clearSelectedRows(); - // Move back a page. - startIndex -= GSS.VISIBLE_FILE_COUNT; - if (startIndex < 0) - startIndex = 0; - else - update(); - } - } - - @Override - public void onBrowserEvent(Event event) { - if (files == null || files.size() == 0) { - if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && selectedRows.size() == 0) { - FileContextMenu fm = new FileContextMenu(images, false, true); - fm.onEmptyEvent(event); - } - return; - } - if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && selectedRows.size() != 0) { - FileContextMenu fm = new FileContextMenu(images, false, false); - fm.onEvent(event); - } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && selectedRows.size() == 0) { - FileContextMenu fm = new FileContextMenu(images, false, true); - fm.onEmptyEvent(event); - } else if (DOM.eventGetType(event) == Event.ONDBLCLICK) - if (getSelectedFiles().size() == 1) { - GSS app = GSS.get(); - FileResource file = getSelectedFiles().get(0); - String dateString = RestCommand.getDate(); - String resource = file.getUri().substring(app.getApiPath().length() - 1, file.getUri().length()); - String sig = app.getCurrentUserResource().getUsername() + " " + - RestCommand.calculateSig("GET", dateString, resource, - RestCommand.base64decode(app.getToken())); - Window.open(file.getUri() + "?Authorization=" + URL.encodeComponent(sig) + "&Date=" + URL.encodeComponent(dateString), "_blank", ""); - event.preventDefault(); - return; - } - if (DOM.eventGetType(event) == Event.ONCLICK) { - if (DOM.eventGetCtrlKey(event)) - clickControl = true; - else - clickControl = false; - if (DOM.eventGetShiftKey(event)) { - clickShift = true; - if (selectedRows.size() == 1) - firstShift = selectedRows.get(0) - startIndex; - event.preventDefault(); - } else { - clickShift = false; - firstShift = -1; - event.preventDefault(); - } - } - super.onBrowserEvent(event); - } - - /** - * Retrieve the root folder for the current user. - * - * @return true if the retrieval was successful - */ - protected boolean fetchRootFolder() { - UserResource user = GSS.get().getCurrentUserResource(); - if (user == null) - return !DONE; - // Update cache and clear selection. - updateFileCache(true); - return DONE; - } - - public void onCellClicked(SourcesTableEvents sender, int row, int cell) { - // Select the row that was clicked (-1 to account for header row). - if (row > folderFileCount) - return; - if (clickShift) { - GWT.log("Row is: " + row + " fs: " + firstShift, null); - if (firstShift == -1) - firstShift = row; - else if (row > firstShift) { - clearSelectedRows(); - for (int i = firstShift; i < row; i++) { - selectedRows.add(startIndex + i); - styleRow(i, true); - } - GSS.get().setCurrentSelection(getSelectedFiles()); - contextMenu.setFiles(getSelectedFiles()); - makeRowDraggable(row); - } else if (row != -1 && row == firstShift) { - selectedRows.add(row); - selectedRows.add(row - 1); - styleRow(row, true); - styleRow(row - 1, true); - } else if (row < firstShift) { - GWT.log("Row is:" + row + " fs:" + firstShift, null); - clearSelectedRows(); - - for (int i = firstShift; i >= row - 1; i--) { - selectedRows.add(startIndex + i); - styleRow(i, true); - } - GSS.get().setCurrentSelection(getSelectedFiles()); - makeRowDraggable(row); - contextMenu.setFiles(getSelectedFiles()); - } - } else if (row > 0) - selectRow(row - 1); - } - - /** - * Initializes the table so that it contains enough rows for a full page of - * files. - */ - private void initTable() { - nameLabel = new HTML("Name"); - nameLabel.addClickListener(new ClickListener() { - - public void onClick(Widget sender) { - sortFiles("name"); - update(); - } - - }); - versionLabel = new HTML("Version"); - versionLabel.addClickListener(new ClickListener() { - - public void onClick(Widget sender) { - sortFiles("version"); - update(); - } - - }); - sizeLabel = new HTML("Size"); - sizeLabel.addClickListener(new ClickListener() { - - public void onClick(Widget sender) { - sortFiles("size"); - update(); - } - - }); - dateLabel = new HTML("Date"); - dateLabel.addClickListener(new ClickListener() { - - public void onClick(Widget sender) { - sortFiles("date"); - update(); - } - - }); - ownerLabel = new HTML("Owner"); - ownerLabel.addClickListener(new ClickListener() { - - public void onClick(Widget sender) { - sortFiles("owner"); - update(); - } - - }); - pathLabel = new HTML("Path"); - pathLabel.addClickListener(new ClickListener() { - - public void onClick(Widget sender) { - sortFiles("path"); - update(); - } - - }); - // Create the header row. - table.setText(0, 0, ""); - table.setWidget(0, 1, nameLabel); - table.setWidget(0, 2, ownerLabel); - table.setWidget(0, 3, pathLabel); - table.setWidget(0, 4, versionLabel); - table.setWidget(0, 5, sizeLabel); - table.setWidget(0, 6, dateLabel); - table.setWidget(0, 7, navBar); - table.getRowFormatter().setStyleName(0, "gss-ListHeader"); - - // Initialize the rest of the rows. - for (int i = 1; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) { - table.setText(i, 0, ""); - table.setText(i, 1, ""); - table.setText(i, 2, ""); - table.setText(i, 3, ""); - table.setText(i, 4, ""); - table.setText(i, 5, ""); - table.setText(i, 6, ""); - table.setText(i, 7, ""); - table.getCellFormatter().setWordWrap(i, 0, false); - table.getCellFormatter().setWordWrap(i, 1, false); - table.getCellFormatter().setWordWrap(i, 2, false); - table.getCellFormatter().setWordWrap(i, 3, false); - table.getCellFormatter().setWordWrap(i, 4, false); - table.getCellFormatter().setWordWrap(i, 5, false); - table.getCellFormatter().setWordWrap(i, 6, false); - table.getCellFormatter().setWordWrap(i, 7, false); - table.getCellFormatter().setHorizontalAlignment(i, 4, HasHorizontalAlignment.ALIGN_CENTER); - } - prevButton.setVisible(false); - nextButton.setVisible(false); - } - - /** - * Selects the given row (relative to the current page). - * - * @param row the row to be selected - */ - private void selectRow(final int row) { - if (row < folderFileCount) { - if (clickControl) - if (selectedRows.contains(row)) { - int i = selectedRows.indexOf(startIndex + row); - selectedRows.remove(i); - styleRow(row, false); - } else { - selectedRows.add(startIndex + row); - styleRow(row, true); - } - else if (selectedRows.size() == 1 && selectedRows.contains(row)){ - clearSelectedRows(); - return; - } - else { - clearSelectedRows(); - selectedRows.add(startIndex + row); - styleRow(row, true); - } - if (selectedRows.size() == 1) - GSS.get().setCurrentSelection(files.get(selectedRows.get(0))); - else if(selectedRows.size() == 0) - GSS.get().setCurrentSelection(null); - else - GSS.get().setCurrentSelection(getSelectedFiles()); - contextMenu.setFiles(getSelectedFiles()); - makeRowDraggable(row+1); - } - } - - public List getSelectedFiles() { - List result = new ArrayList(); - for (int i : selectedRows) - result.add(files.get(i)); - return result; - } - - /** - * Make the specified row look like selected or not, according to the - * selected flag. - * - * @param row - * @param selected - */ - void styleRow(final int row, final boolean selected) { - if (row != -1 && row >= 0) - if (selected) - table.getRowFormatter().addStyleName(row + 1, "gss-SelectedRow"); - else - table.getRowFormatter().removeStyleName(row + 1, "gss-SelectedRow"); - } - - /** - * Update the display of the file list. - */ - void update() { - int count = folderFileCount; - int max = startIndex + GSS.VISIBLE_FILE_COUNT; - if (max > count) - max = count; - folderTotalSize = 0; - - // Show the selected files. - int i = 1; - for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) { - // Don't read past the end. - // if (i > folderFileCount) - // break; - if (startIndex + i > folderFileCount) - break; - // Add a new row to the table, then set each of its columns to the - // proper values. - FileResource file = files.get(startIndex + i - 1); - table.setWidget(i, 0, getFileIcon(file).createImage()); - table.getRowFormatter().addStyleName(i, "gss-fileRow"); - - table.setHTML(i, 1, file.getName()); - table.setText(i, 2, file.getOwner()); - table.setText(i, 3, file.getPath()); - table.setText(i, 4, String.valueOf(file.getVersion())); - table.setText(i, 5, String.valueOf(file.getFileSizeAsString())); - final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a"); - table.setText(i, 6, formatter.format(file.getCreationDate())); - folderTotalSize += file.getContentLength(); - } - - // Clear any remaining slots. - for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) { - table.setHTML(i, 0, " "); - table.setHTML(i, 1, " "); - table.setHTML(i, 2, " "); - table.setHTML(i, 3, " "); - table.setHTML(i, 4, " "); - table.setHTML(i, 5, " "); - table.setHTML(i, 6, " "); - table.setHTML(i, 7, " "); - } - - if (folderFileCount == 0) { - showingStats = "no files"; - prevButton.setVisible(false); - nextButton.setVisible(false); - } else if (folderFileCount < GSS.VISIBLE_FILE_COUNT) { - if (folderFileCount == 1) - showingStats = "1 file"; - else - showingStats = folderFileCount + " files"; - showingStats += " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")"; - prevButton.setVisible(false); - nextButton.setVisible(false); - } else { - showingStats = "" + (startIndex + 1) + " - " + max + " of " + count + " files" + " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")"; - prevButton.setVisible(startIndex != 0); - nextButton.setVisible(startIndex + GSS.VISIBLE_FILE_COUNT < count); - } - updateCurrentlyShowingStats(); - - } - - /** - * Return the proper icon based on the MIME type of the file. - * - * @param file - * @return the icon - */ - private AbstractImagePrototype getFileIcon(FileResource file) { - String mimetype = file.getContentType(); - boolean shared = file.isShared(); - if (mimetype == null) - return shared ? images.documentShared() : images.document(); - mimetype = mimetype.toLowerCase(); - if (mimetype.startsWith("application/pdf")) - return shared ? images.pdfShared() : images.pdf(); - else if (mimetype.startsWith("application/vnd.ms-excel")) - return shared ? images.spreadsheetShared() : images.spreadsheet(); - else if (mimetype.startsWith("application/msword")) - return shared ? images.wordprocessorShared() : images.wordprocessor(); - else if (mimetype.startsWith("application/vnd.ms-powerpoint")) - return shared ? images.presentationShared() : images.presentation(); - else if (mimetype.startsWith("application/zip") || - mimetype.startsWith("application/gzip") || - mimetype.startsWith("application/x-gzip") || - mimetype.startsWith("application/x-tar") || - mimetype.startsWith("application/x-gtar")) - return shared ? images.zipShared() : images.zip(); - else if (mimetype.startsWith("text/html")) - return shared ? images.htmlShared() : images.html(); - else if (mimetype.startsWith("text/plain")) - return shared ? images.txtShared() : images.txt(); - else if (mimetype.startsWith("image/")) - return shared ? images.imageShared() : images.image(); - else if (mimetype.startsWith("video/")) - return shared ? images.videoShared() : images.video(); - else if (mimetype.startsWith("audio/")) - return shared ? images.audioShared() : images.audio(); - return shared ? images.documentShared() : images.document(); - } - - /** - * Update status panel with currently showing file stats. - */ - public void updateCurrentlyShowingStats() { - GSS.get().getStatusPanel().updateCurrentlyShowing(showingStats); - } - - /** - * Adjust the height of the table by adding and removing rows as necessary. - * - * @param newHeight the new height to reach - */ - void resizeTableHeight(final int newHeight) { - GWT.log("Panel: " + newHeight + ", parent: " + table.getParent().getOffsetHeight(), null); - // Fill the rest with empty slots. - if (newHeight > table.getOffsetHeight()) - while (newHeight > table.getOffsetHeight()) { - table.resizeRows(table.getRowCount() + 1); - GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); - } - else - while (newHeight < table.getOffsetHeight()) { - table.resizeRows(table.getRowCount() - 1); - GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); - } - } - - public void updateFileCache(boolean updateSelectedFolder, final boolean clearSelection) { - if (!updateSelectedFolder && !GSS.get().getFolders().getTrashItem().equals(GSS.get().getFolders().getCurrent())) - updateFileCache(clearSelection); - else if (GSS.get().getFolders().getCurrent() != null) { - final DnDTreeItem folderItem = (DnDTreeItem) GSS.get().getFolders().getCurrent(); - if (folderItem.getFolderResource() != null) { - update(); - GetCommand gf = new GetCommand(FolderResource.class, folderItem.getFolderResource().getUri()) { - - @Override - public void onComplete() { - folderItem.setUserObject(getResult()); - if(GSS.get().getFolders().isFileItem(folderItem)){ - String[] filePaths = new String[folderItem.getFolderResource().getFilePaths().size()]; - int c=0; - for(String fpath : folderItem.getFolderResource().getFilePaths()){ - filePaths[c] = fpath + "?" + Math.random(); - c++; - } - MultipleHeadCommand getFiles = new MultipleHeadCommand(FileResource.class, filePaths){ - - @Override - public void onComplete(){ - List result = getResult(); - //remove random from path - for(FileResource r : result){ - String p = r.getUri(); - int indexOfQuestionMark = p.lastIndexOf('?'); - if(indexOfQuestionMark>0) - r.setUri(p.substring(0, indexOfQuestionMark)); - } - folderItem.getFolderResource().setFiles(result); - updateFileCache(clearSelection); - } - - @Override - public void onError(String p, Throwable throwable) { - if(throwable instanceof RestException) - GSS.get().displayError("Unable to retrieve file details:"+((RestException)throwable).getHttpStatusText()); - } - - @Override - public void onError(Throwable t) { - GWT.log("", t); - GSS.get().displayError("Unable to fetch files for folder " + folderItem.getFolderResource().getName()); - } - - }; - DeferredCommand.addCommand(getFiles); - } - else - updateFileCache(clearSelection); - } - - @Override - public void onError(Throwable t) { - GWT.log("", t); - GSS.get().displayError("Unable to fetch folder " + folderItem.getFolderResource().getName()); - } - }; - DeferredCommand.addCommand(gf); - } else if (folderItem.getTrashResource() != null) { - GetCommand gt = new GetCommand(TrashResource.class, folderItem.getTrashResource().getUri()) { - - @Override - public void onComplete() { - folderItem.setUserObject(getResult()); - updateFileCache(clearSelection); - } - - @Override - public void onError(Throwable t) { - if (t instanceof RestException && (((RestException) t).getHttpStatusCode() == 204 || ((RestException) t).getHttpStatusCode() == 1223)) { - folderItem.setUserObject(new TrashResource(folderItem.getTrashResource().getUri())); - updateFileCache(clearSelection); - } else { - GWT.log("", t); - GSS.get().displayError("Unable to fetch trash resource"); - } - } - }; - DeferredCommand.addCommand(gt); - } else if (folderItem.getSharedResource() != null) { - GetCommand gt = new GetCommand(SharedResource.class, folderItem.getSharedResource().getUri()) { - - @Override - public void onComplete() { - folderItem.setUserObject(getResult()); - updateFileCache(clearSelection); - } - - @Override - public void onError(Throwable t) { - GWT.log("", t); - GSS.get().displayError("Unable to fetch My Shares resource"); - } - }; - DeferredCommand.addCommand(gt); - } else if (folderItem.getOtherUserResource() != null) { - GetCommand gt = new GetCommand(OtherUserResource.class, folderItem.getOtherUserResource().getUri()) { - - @Override - public void onComplete() { - folderItem.setUserObject(getResult()); - updateFileCache(clearSelection); - } - - @Override - public void onError(Throwable t) { - GWT.log("", t); - GSS.get().displayError("Unable to fetch My Shares resource"); - } - }; - DeferredCommand.addCommand(gt); - } - } else - updateFileCache(clearSelection); - } - - /** - * Update the file cache with data from the server. - * - * @param userId the ID of the current user - */ - private void updateFileCache(boolean clearSelection) { - if (clearSelection) - clearSelectedRows(); - clearLabels(); - sortingProperty = "name"; - nameLabel.setHTML("Name " + images.desc().getHTML()); - sortingType = true; - startIndex = 0; - final TreeItem folderItem = GSS.get().getFolders().getCurrent(); - // Validation. - if (folderItem == null || GSS.get().getFolders().isOthersShared(folderItem)) { - setFiles(new ArrayList()); - update(); - return; - } - if (folderItem instanceof DnDTreeItem) { - DnDTreeItem dnd = (DnDTreeItem) folderItem; - if (dnd.getFolderResource() != null) { - if (GSS.get().getFolders().isTrashItem(dnd)) - setFiles(new ArrayList()); - else - setFiles(dnd.getFolderResource().getFiles()); - - } else if (dnd.getTrashResource() != null) - setFiles(dnd.getTrashResource().getFiles()); - else if (dnd.getSharedResource() != null) - setFiles(dnd.getSharedResource().getFiles()); - else if (dnd.getOtherUserResource() != null) - setFiles(dnd.getOtherUserResource().getFiles()); - else - setFiles(dnd.getFolderResource().getFiles()); - - update(); - } - } - - /** - * Fill the file cache with data. - */ - public void setFiles(final List _files) { - if (_files.size() > 0 && !GSS.get().getFolders().isTrash(GSS.get().getFolders().getCurrent())) { - files = new ArrayList(); - for (FileResource fres : _files) - if (!fres.isDeleted()) - files.add(fres); - } else - files = _files; - Collections.sort(files, new Comparator() { - - public int compare(FileResource arg0, FileResource arg1) { - return arg0.getName().compareTo(arg1.getName()); - } - - }); - folderFileCount = files.size(); - } - - private void sortFiles(final String sortProperty) { - if (sortProperty.equals(sortingProperty)) - sortingType = !sortingType; - else { - sortingProperty = sortProperty; - sortingType = true; - } - clearLabels(); - clearSelectedRows(); - if (files == null || files.size() == 0) - return; - Collections.sort(files, new Comparator() { - - public int compare(FileResource arg0, FileResource arg1) { - if (sortingType) - if (sortProperty.equals("version")) { - versionLabel.setHTML("Version " + images.desc().getHTML()); - return new Integer(arg0.getVersion()).compareTo(new Integer(arg1.getVersion())); - } else if (sortProperty.equals("owner")) { - ownerLabel.setHTML("Owner " + images.desc().getHTML()); - return new Integer(arg0.getOwner()).compareTo(new Integer(arg1.getOwner())); - } else if (sortProperty.equals("date")) { - dateLabel.setHTML("Date " + images.desc().getHTML()); - return arg0.getCreationDate().compareTo(arg1.getCreationDate()); - } else if (sortProperty.equals("size")) { - sizeLabel.setHTML("Size " + images.desc().getHTML()); - return new Long(arg0.getContentLength()).compareTo(new Long(arg1.getContentLength())); - } else if (sortProperty.equals("name")) { - nameLabel.setHTML("Name " + images.desc().getHTML()); - return arg0.getName().compareTo(arg1.getName()); - } else if (sortProperty.equals("path")) { - pathLabel.setHTML("Path " + images.desc().getHTML()); - return arg0.getUri().compareTo(arg1.getUri()); - } else { - nameLabel.setHTML("Name " + images.desc().getHTML()); - return arg0.getName().compareTo(arg1.getName()); - } - else if (sortProperty.equals("version")) { - versionLabel.setHTML("Version " + images.asc().getHTML()); - return new Integer(arg1.getVersion()).compareTo(new Integer(arg0.getVersion())); - } else if (sortProperty.equals("owner")) { - ownerLabel.setHTML("Owner " + images.asc().getHTML()); - return new Integer(arg1.getOwner()).compareTo(new Integer(arg0.getOwner())); - } else if (sortProperty.equals("date")) { - dateLabel.setHTML("Date " + images.asc().getHTML()); - return arg1.getCreationDate().compareTo(arg0.getCreationDate()); - } else if (sortProperty.equals("size")) { - sizeLabel.setHTML("Size " + images.asc().getHTML()); - return new Long(arg1.getContentLength()).compareTo(new Long(arg0.getContentLength())); - } else if (sortProperty.equals("name")) { - nameLabel.setHTML("Name " + images.asc().getHTML()); - return arg1.getName().compareTo(arg0.getName()); - } else if (sortProperty.equals("path")) { - pathLabel.setHTML("Path " + images.asc().getHTML()); - return arg1.getUri().compareTo(arg0.getUri()); - } else { - nameLabel.setHTML("Name " + images.asc().getHTML()); - return arg1.getName().compareTo(arg0.getName()); - } - } - - }); - } - - private void clearLabels() { - nameLabel.setText("Name"); - versionLabel.setText("Version"); - sizeLabel.setText("Size"); - dateLabel.setText("Date"); - ownerLabel.setText("Owner"); - pathLabel.setText("Path"); - } - - /** - * Retrieve the table. - * - * @return the table - */ - Grid getTable() { - return table; - } - - /** - * Does the list contains the requested filename - * - * @param fileName - * @return true/false - */ - public boolean contains(String fileName) { - for (int i = 0; i < files.size(); i++) - if (files.get(i).getName().equals(fileName)) - return true; - return false; - } - - public void clearSelectedRows() { - for (int r : selectedRows) { - int row = r - startIndex; - styleRow(row, false); - } - selectedRows.clear(); - Object sel = GSS.get().getCurrentSelection(); - if (sel instanceof FileResource || sel instanceof List) - GSS.get().setCurrentSelection(null); - } - - /** - * - */ - public void selectAllRows() { - clearSelectedRows(); - int count = folderFileCount; - if (count == 0) - return; - int max = startIndex + GSS.VISIBLE_FILE_COUNT; - if (max > count) - max = count; - int i = 1; - for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) { - // Don't read past the end. - // if (i > folderFileCount) - // break; - if (startIndex + i > folderFileCount) - break; - selectedRows.add(startIndex + i - 1); - styleRow(i - 1, true); - } - GSS.get().setCurrentSelection(getSelectedFiles()); - contextMenu.setFiles(getSelectedFiles()); - makeRowDraggable(i-1); - - } - - private void makeRowDraggable(int row){ - int contextRow = getWidgetRow(contextMenu, table); - if (contextRow != -1) - table.setWidget(contextRow, 0, getFileIcon(files.get(contextRow - 1)).createImage()); - contextMenu.setWidget(new HTML(getFileIcon(files.get(row - 1)).getHTML())); - table.setWidget(row, 0, contextMenu); - } - - private int getWidgetRow(Widget widget, Grid grid) { - for (int row = 0; row < grid.getRowCount(); row++) - for (int col = 0; col < grid.getCellCount(row); col++) { - Widget w = table.getWidget(row, col); - if (w == widget) - return row; - } - return -1; - } - -} +/* + * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd. + * + * This file is part of GSS. + * + * GSS is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GSS is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GSS. If not, see . + */ +package gr.ebs.gss.client; + +import static com.google.gwt.query.client.GQuery.$; +import gr.ebs.gss.client.rest.GetCommand; +import gr.ebs.gss.client.rest.RestCommand; +import gr.ebs.gss.client.rest.resource.FileResource; +import gr.ebs.gss.client.rest.resource.FolderResource; +import gr.ebs.gss.client.rest.resource.RestResource; +import gr.ebs.gss.client.rest.resource.SharedResource; +import gr.ebs.gss.client.rest.resource.TrashResource; +import gr.ebs.gss.client.rest.resource.UserResource; +import gr.ebs.gss.client.rest.resource.UserSearchResource; +import gwtquery.plugins.draggable.client.DraggableOptions; +import gwtquery.plugins.draggable.client.DraggableOptions.RevertOption; +import gwtquery.plugins.draggable.client.events.DragStartEvent; +import gwtquery.plugins.draggable.client.events.DragStartEvent.DragStartEventHandler; +import gwtquery.plugins.droppable.client.gwt.DragAndDropCellTable; +import gwtquery.plugins.droppable.client.gwt.DragAndDropColumn; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.Comparator; +import java.util.Iterator; +import java.util.List; + +import com.google.gwt.cell.client.AbstractCell; +import com.google.gwt.cell.client.ImageResourceCell; +import com.google.gwt.cell.client.TextCell; +import com.google.gwt.cell.client.ValueUpdater; +import com.google.gwt.core.client.GWT; +import com.google.gwt.core.client.Scheduler; +import com.google.gwt.core.client.Scheduler.RepeatingCommand; +import com.google.gwt.dom.client.Style.Cursor; +import com.google.gwt.http.client.URL; +import com.google.gwt.i18n.client.DateTimeFormat; +import com.google.gwt.resources.client.ClientBundle; +import com.google.gwt.resources.client.ImageResource; +import com.google.gwt.safehtml.client.SafeHtmlTemplates; +import com.google.gwt.safehtml.shared.SafeHtml; +import com.google.gwt.safehtml.shared.SafeHtmlBuilder; +import com.google.gwt.user.cellview.client.CellTable; +import com.google.gwt.user.cellview.client.Column; +import com.google.gwt.user.cellview.client.TextColumn; +import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy; +import com.google.gwt.user.client.DOM; +import com.google.gwt.user.client.DeferredCommand; +import com.google.gwt.user.client.Event; +import com.google.gwt.user.client.Window; +import com.google.gwt.user.client.ui.AbstractImagePrototype; +import com.google.gwt.user.client.ui.Composite; +import com.google.gwt.user.client.ui.Grid; +import com.google.gwt.user.client.ui.HTML; +import com.google.gwt.user.client.ui.HasHorizontalAlignment; +import com.google.gwt.user.client.ui.HorizontalPanel; +import com.google.gwt.user.client.ui.VerticalPanel; +import com.google.gwt.user.client.ui.Widget; +import com.google.gwt.view.client.MultiSelectionModel; +import com.google.gwt.view.client.ProvidesKey; +import com.google.gwt.view.client.SelectionChangeEvent; +import com.google.gwt.view.client.SelectionChangeEvent.Handler; + +/** + * A composite that displays the list of files in a particular folder. + */ +public class FileList extends Composite { + + interface TableResources extends DragAndDropCellTable.Resources { + @Source({CellTable.Style.DEFAULT_CSS, "GssCellTable.css"}) + TableStyle cellTableStyle(); + } + + static interface Templates extends SafeHtmlTemplates { + Templates INSTANCE = GWT.create(Templates.class); + + @Template("
") + SafeHtml outerHelper(); + } + + + /** + * The styles applied to the table. + */ + interface TableStyle extends CellTable.Style { + } + + private String showingStats = ""; + + private int startIndex = 0; + + /** + * A constant that denotes the completion of an IncrementalCommand. + */ + public static final boolean DONE = false; + + + + private final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a"); + + /** + * Specifies that the images available for this composite will be the ones + * available in FileContextMenu. + */ + public interface Images extends ClientBundle,FileContextMenu.Images, CellTreeView.Images { + + @Source("gr/ebs/gss/resources/blank.gif") + ImageResource blank(); + + @Source("gr/ebs/gss/resources/asc.png") + ImageResource asc(); + + @Source("gr/ebs/gss/resources/desc.png") + ImageResource desc(); + + @Source("gr/ebs/gss/resources/mimetypes/document_shared.png") + ImageResource documentShared(); + + @Source("gr/ebs/gss/resources/mimetypes/kcmfontinst.png") + ImageResource wordprocessor(); + + @Source("gr/ebs/gss/resources/mimetypes/log.png") + ImageResource spreadsheet(); + + @Source("gr/ebs/gss/resources/mimetypes/kpresenter_kpr.png") + ImageResource presentation(); + + @Source("gr/ebs/gss/resources/mimetypes/acroread.png") + ImageResource pdf(); + + @Source("gr/ebs/gss/resources/mimetypes/image.png") + ImageResource image(); + + @Source("gr/ebs/gss/resources/mimetypes/video2.png") + ImageResource video(); + + @Source("gr/ebs/gss/resources/mimetypes/knotify.png") + ImageResource audio(); + + @Source("gr/ebs/gss/resources/mimetypes/html.png") + ImageResource html(); + + @Source("gr/ebs/gss/resources/mimetypes/txt.png") + ImageResource txt(); + + @Source("gr/ebs/gss/resources/mimetypes/ark2.png") + ImageResource zip(); + + @Source("gr/ebs/gss/resources/mimetypes/kcmfontinst_shared.png") + ImageResource wordprocessorShared(); + + @Source("gr/ebs/gss/resources/mimetypes/log_shared.png") + ImageResource spreadsheetShared(); + + @Source("gr/ebs/gss/resources/mimetypes/kpresenter_kpr_shared.png") + ImageResource presentationShared(); + + @Source("gr/ebs/gss/resources/mimetypes/acroread_shared.png") + ImageResource pdfShared(); + + @Source("gr/ebs/gss/resources/mimetypes/image_shared.png") + ImageResource imageShared(); + + @Source("gr/ebs/gss/resources/mimetypes/video2_shared.png") + ImageResource videoShared(); + + @Source("gr/ebs/gss/resources/mimetypes/knotify_shared.png") + ImageResource audioShared(); + + @Source("gr/ebs/gss/resources/mimetypes/html_shared.png") + ImageResource htmlShared(); + + @Source("gr/ebs/gss/resources/mimetypes/txt_shared.png") + ImageResource txtShared(); + + @Source("gr/ebs/gss/resources/mimetypes/ark2_shared.png") + ImageResource zipShared(); + + } + private static class ContactCell extends AbstractCell { + + /** + * The html of the image used for contacts. + * + */ + private final String imageHtml; + + public ContactCell(ImageResource image) { + this.imageHtml = AbstractImagePrototype.create(image).getHTML(); + } + + + + + + @Override + public void render(Context context, FileResource value, SafeHtmlBuilder sb) { + // Value can be null, so do a null check.. + if (value == null) { + return; + } + + sb.appendHtmlConstant(""); + + // Add the contact image. + sb.appendHtmlConstant(""); + + // Add the name and address. + sb.appendHtmlConstant("
"); + sb.appendHtmlConstant(imageHtml); + sb.appendHtmlConstant(""); + sb.appendEscaped(value.getName()); + sb.appendHtmlConstant("
"); + sb.appendEscaped(value.getFileSizeAsString()); + sb.appendHtmlConstant("
"); + } + + + } + /** + * Retrieve the celltable. + * + * @return the celltable + */ + public DragAndDropCellTable getCelltable() { + return celltable; + } + /** + * A label with the number of files in this folder. + */ + private HTML countLabel = new HTML(); + + /** + * The table widget with the file list. + */ + //private FileTable table = new FileTable(GSS.VISIBLE_FILE_COUNT + 1, 8); + + /** + * The navigation bar for paginating the results. + */ + private HorizontalPanel navBar = new HorizontalPanel(); + + /** + * The number of files in this folder. + */ + int folderFileCount; + + /** + * Total folder size + */ + long folderTotalSize; + + /** + * A cache of the files in the list. + */ + private List files; + + /** + * The widget's image bundle. + */ + private final Images images; + VerticalPanel panel; + + private FileContextMenu menuShowing; + private DragAndDropCellTable celltable; + private final MultiSelectionModel selectionModel; + private final List allHeaders = new ArrayList(); + SortableHeader nameHeader; + /** + * Construct the file list widget. This entails setting up the widget + * layout, fetching the number of files in the current folder from the + * server and filling the local file cache of displayed files with data from + * the server, as well. + * + * @param _images + */ + public FileList(Images _images) { + images = _images; + DragAndDropCellTable.Resources resources = GWT.create(TableResources.class); + + + // Create the 'navigation' bar at the upper-right. + HorizontalPanel innerNavBar = new HorizontalPanel(); + innerNavBar.setStyleName("gss-ListNavBar"); + innerNavBar.setSpacing(8); + innerNavBar.add(countLabel); + navBar.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT); + navBar.add(innerNavBar); + navBar.setWidth("100%"); + ProvidesKey keyProvider = new ProvidesKey(){ + + @Override + public Object getKey(FileResource item) { + return item.getUri(); + } + + }; + final DragAndDropColumn nameColumn = new DragAndDropColumn(new TextCell()) { + + @Override + public String getValue(FileResource object) { + // TODO Auto-generated method stub + return object.getName(); + } + + + }; + initDragOperation(nameColumn); + celltable = new DragAndDropCellTable(100,resources,keyProvider){ + @Override + protected void onBrowserEvent2(Event event) { + /*if (DOM.eventGetType((Event) event) == Event.ONMOUSEDOWN && DOM.eventGetButton((Event) event) == NativeEvent.BUTTON_RIGHT){ + fireClickEvent((Element) event.getEventTarget().cast()); + }*/ + super.onBrowserEvent2(event); + } + }; + celltable.addDragStartHandler(new DragStartEventHandler() { + + public void onDragStart(DragStartEvent event) { + FileResource value = event.getDraggableData(); + if(!selectionModel.isSelected(value)){ + event.getHelper().removeFromParent(); + return; + } + + com.google.gwt.dom.client.Element helper = event.getHelper(); + + SafeHtmlBuilder sb = new SafeHtmlBuilder(); + // reuse the contact cell to render the inner html of the drag helper. + ///new CotactCell(images.blank()).render(new Context(0,0, value), value, sb); + sb.appendHtmlConstant(""); + sb.appendEscaped(value.getName()); + sb.appendHtmlConstant(""); + helper.setInnerHTML(sb.toSafeHtml().asString()); + + } + }); + Column status = new Column(new ImageResourceCell()) { + @Override + public ImageResource getValue(FileResource entity) { + return getFileIcon(entity); + } + }; + celltable.addColumn(status,""); + + + celltable.addColumn(nameColumn,nameHeader = new SortableHeader("Name")); + allHeaders.add(nameHeader); + nameHeader.setSorted(true); + nameHeader.toggleReverseSort(); + nameHeader.setUpdater(new FileValueUpdater(nameHeader, "name")); + celltable.redrawHeaders(); + SortableHeader aheader; + celltable.addColumn(new TextColumn() { + @Override + public String getValue(FileResource object) { + return GSS.get().findUserFullName(object.getOwner()); + } + },aheader = new SortableHeader("Owner")); + allHeaders.add(aheader); + aheader.setUpdater(new FileValueUpdater(aheader, "owner")); + celltable.addColumn(new TextColumn() { + @Override + public String getValue(FileResource object) { + // TODO Auto-generated method stub + return object.getPath(); + } + },aheader = new SortableHeader("Path")); + allHeaders.add(aheader); + aheader.setUpdater(new FileValueUpdater(aheader, "path")); + celltable.addColumn(new TextColumn() { + @Override + public String getValue(FileResource object) { + // TODO Auto-generated method stub + return object.getVersion().toString(); + } + },aheader = new SortableHeader("Version")); + allHeaders.add(aheader); + aheader.setUpdater(new FileValueUpdater(aheader, "version")); + celltable.addColumn(new TextColumn() { + @Override + public String getValue(FileResource object) { + // TODO Auto-generated method stub + return object.getFileSizeAsString(); + } + },aheader = new SortableHeader("Size")); + allHeaders.add(aheader); + aheader.setUpdater(new FileValueUpdater(aheader, "size")); + celltable.addColumn(new TextColumn() { + @Override + public String getValue(FileResource object) { + return formatter.format(object.getModificationDate()); + } + },aheader = new SortableHeader("Last Modified")); + allHeaders.add(aheader); + aheader.setUpdater(new FileValueUpdater(aheader, "date")); + + initWidget(celltable); + setStyleName("gss-List"); + selectionModel = new MultiSelectionModel(); + + + Handler selectionHandler = new SelectionChangeEvent.Handler() { + @Override + public void onSelectionChange(com.google.gwt.view.client.SelectionChangeEvent event) { + if(getSelectedFiles().size()==1) + GSS.get().setCurrentSelection(getSelectedFiles().get(0)); + else + GSS.get().setCurrentSelection(getSelectedFiles()); + //contextMenu.setFiles(getSelectedFiles()); + } + }; + selectionModel.addSelectionChangeHandler(selectionHandler); + + celltable.setSelectionModel(selectionModel,GSSSelectionEventManager.createDefaultManager()); + celltable.setPageSize(GSS.VISIBLE_FILE_COUNT); + celltable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); + Scheduler.get().scheduleIncremental(new RepeatingCommand() { + + @Override + public boolean execute() { + return fetchRootFolder(); + } + }); + sinkEvents(Event.ONCONTEXTMENU); + sinkEvents(Event.ONMOUSEUP); + sinkEvents(Event.ONMOUSEDOWN); + sinkEvents(Event.ONCLICK); + sinkEvents(Event.ONKEYDOWN); + sinkEvents(Event.ONDBLCLICK); + GSS.preventIESelection(); + } + + //public native void fireClickEvent(Element element) /*-{ + // var evObj = $doc.createEvent('MouseEvents'); + //evObj.initEvent('click', true, true); + //element.dispatchEvent(evObj); + //}-*/; + + public List getSelectedFiles() { + return new ArrayList(selectionModel.getSelectedSet()); + } + + private void initDragOperation(DragAndDropColumn column) { + + // retrieve draggableOptions on the column + DraggableOptions draggableOptions = column.getDraggableOptions(); + // use template to construct the helper. The content of the div will be set + // after + draggableOptions.setHelper($(Templates.INSTANCE.outerHelper().asString())); + //draggableOptions.setZIndex(100); + // opacity of the helper + draggableOptions.setAppendTo("body"); + //draggableOptions.setOpacity((float) 0.8); + draggableOptions.setContainment("document"); + // cursor to use during the drag operation + draggableOptions.setCursor(Cursor.MOVE); + // set the revert option + draggableOptions.setRevert(RevertOption.ON_INVALID_DROP); + // prevents dragging when user click on the category drop-down list + draggableOptions.setCancel("select"); + } + + + @Override + public void onBrowserEvent(Event event) { + + if (files == null || files.size() == 0) { + if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) { + menuShowing = new FileContextMenu(images, false, true); + menuShowing=menuShowing.onEmptyEvent(event); + } + return; + } + if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() != 0) { + GWT.log("*****GOING TO SHOW CONTEXT MENU ****", null); + menuShowing = new FileContextMenu(images, false, false); + menuShowing=menuShowing.onEvent(event); + } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && getSelectedFiles().size() == 0) { + menuShowing = new FileContextMenu(images, false, true); + menuShowing=menuShowing.onEmptyEvent(event); + } else if (DOM.eventGetType(event) == Event.ONDBLCLICK) + if (getSelectedFiles().size() == 1) { + GSS app = GSS.get(); + FileResource file = getSelectedFiles().get(0); + String dateString = RestCommand.getDate(); + String resource = file.getUri().substring(app.getApiPath().length() - 1, file.getUri().length()); + String sig = app.getCurrentUserResource().getUsername() + " " + + RestCommand.calculateSig("GET", dateString, resource, + RestCommand.base64decode(app.getToken())); + Window.open(file.getUri() + "?Authorization=" + URL.encodeComponent(sig) + "&Date=" + URL.encodeComponent(dateString), "_blank", ""); + event.preventDefault(); + return; + } + super.onBrowserEvent(event); + } + + /** + * Retrieve the root folder for the current user. + * + * @return true if the retrieval was successful + */ + protected boolean fetchRootFolder() { + UserResource user = GSS.get().getCurrentUserResource(); + if (user == null) + return !DONE; + // Update cache and clear selection. + updateFileCache(true); + return DONE; + } + + + + + /** + * Make the specified row look like selected or not, according to the + * selected flag. + * + * @param row + * @param selected + */ + void styleRow(final int row, final boolean selected) { + + } + + /** + * Update the display of the file list. + */ + void update(boolean sort) { + int count = folderFileCount; + int max = startIndex + GSS.VISIBLE_FILE_COUNT; + if (max > count) + max = count; + folderTotalSize = 0; + + copyListAndContinue(files); + + if (folderFileCount == 0) { + showingStats = "no files"; + } else if (folderFileCount < GSS.VISIBLE_FILE_COUNT) { + if (folderFileCount == 1) + showingStats = "1 file"; + else + showingStats = folderFileCount + " files"; + showingStats += " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")"; + } else { + showingStats = "" + (startIndex + 1) + " - " + max + " of " + count + " files" + " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")"; + } + updateCurrentlyShowingStats(); + + } + + /** + * Return the proper icon based on the MIME type of the file. + * + * @param file + * @return the icon + */ + private ImageResource getFileIcon(FileResource file) { + String mimetype = file.getContentType(); + boolean shared = false; + /*Folders folders = GSS.get().getFolders(); + if(folders.getCurrent() != null && folders.isOthersSharedItem(folders.getCurrent())){ + DnDTreeItem otherUser = (DnDTreeItem) folders.getUserOfSharedItem(folders.getCurrent()); + if(otherUser==null) + shared = false; + else{ + String uname = otherUser.getOtherUserResource().getUsername(); + if(uname==null) + uname = ((DnDTreeItem)folders.getSharesItem()).getOthersResource().getUsernameOfUri(otherUser.getOtherUserResource().getUri()); + if(uname != null) + shared = file.isShared(); + } + } + else*/ + shared = file.isShared(); + if (mimetype == null) + return shared ? images.documentShared() : images.document(); + mimetype = mimetype.toLowerCase(); + if (mimetype.startsWith("application/pdf")) + return shared ? images.pdfShared() : images.pdf(); + else if (mimetype.endsWith("excel")) + return shared ? images.spreadsheetShared() : images.spreadsheet(); + else if (mimetype.endsWith("msword")) + return shared ? images.wordprocessorShared() : images.wordprocessor(); + else if (mimetype.endsWith("powerpoint")) + return shared ? images.presentationShared() : images.presentation(); + else if (mimetype.startsWith("application/zip") || + mimetype.startsWith("application/gzip") || + mimetype.startsWith("application/x-gzip") || + mimetype.startsWith("application/x-tar") || + mimetype.startsWith("application/x-gtar")) + return shared ? images.zipShared() : images.zip(); + else if (mimetype.startsWith("text/html")) + return shared ? images.htmlShared() : images.html(); + else if (mimetype.startsWith("text/plain")) + return shared ? images.txtShared() : images.txt(); + else if (mimetype.startsWith("image/")) + return shared ? images.imageShared() : images.image(); + else if (mimetype.startsWith("video/")) + return shared ? images.videoShared() : images.video(); + else if (mimetype.startsWith("audio/")) + return shared ? images.audioShared() : images.audio(); + return shared ? images.documentShared() : images.document(); + } + + /** + * Update status panel with currently showing file stats. + */ + public void updateCurrentlyShowingStats() { + GSS.get().getStatusPanel().updateCurrentlyShowing(showingStats); + } + + /** + * Adjust the height of the table by adding and removing rows as necessary. + * + * @param newHeight the new height to reach + */ + //void resizeTableHeight(final int newHeight) { + /*GWT.log("Panel: " + newHeight + ", parent: " + table.getParent().getOffsetHeight(), null); + // Fill the rest with empty slots. + if (newHeight > table.getOffsetHeight()) + while (newHeight > table.getOffsetHeight()) { + table.resizeRows(table.getRowCount() + 1); + GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); + } + else + while (newHeight < table.getOffsetHeight()) { + table.resizeRows(table.getRowCount() - 1); + GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); + }*/ + //} + + public void updateFileCache(boolean updateSelectedFolder, final boolean clearSelection) { + updateFileCache(updateSelectedFolder, clearSelection, null); + } + + public void updateFileCache(boolean updateSelectedFolder, final boolean clearSelection, final String newFilename) { + if (!updateSelectedFolder && !GSS.get().getTreeView().getSelection().equals(GSS.get().getTreeView().getTrash())) + updateFileCache(clearSelection); + else if (GSS.get().getTreeView().getSelection() != null) { + final RestResource selectedResource = GSS.get().getTreeView().getSelection(); + if (selectedResource instanceof FolderResource) { + + update(true); + } + } + updateFileCache(clearSelection); + } + + + private void updateFileCache(boolean clearSelection) { + updateFileCache(clearSelection, null); + } + + /** + * Update the file cache with data from the server. + * + * @param newFilename the new name of the previously selected file, + * if a rename operation has taken place + */ + private void updateFileCache(boolean clearSelection, String newFilename) { + if (clearSelection) + clearSelectedRows(); + startIndex = 0; + final RestResource folderItem = GSS.get().getTreeView().getSelection(); + // Validation. + if (folderItem == null || folderItem.equals(GSS.get().getTreeView().getOthers())) { + setFiles(new ArrayList()); + update(true); + return; + } + if (folderItem instanceof FolderResource) { + setFiles(((FolderResource) folderItem).getFiles()); + update(true); + } + if (folderItem instanceof SharedResource) { + setFiles(((SharedResource) folderItem).getFiles()); + update(true); + } + if (folderItem instanceof TrashResource) { + setFiles(((TrashResource) folderItem).getFiles()); + update(true); + } + } + + /** + * Fill the file cache with data. + */ + public void setFiles(final List _files) { + /*if (_files.size() > 0 && !GSS.get().getFolders().isTrash(GSS.get().getFolders().getCurrent())) { + files = new ArrayList(); + for (FileResource fres : _files) + if (!fres.isDeleted()) + files.add(fres); + } else*/ + files = _files; + Collections.sort(files, new Comparator() { + + @Override + public int compare(FileResource arg0, FileResource arg1) { + return arg0.getName().compareTo(arg1.getName()); + } + + }); + folderFileCount = files.size(); + } + + + + + /** + * Does the list contains the requested filename + * + * @param fileName + * @return true/false + */ + public boolean contains(String fileName) { + for (int i = 0; i < files.size(); i++) + if (files.get(i).getName().equals(fileName)) + return true; + return false; + } + + public void clearSelectedRows() { + Iterator it = selectionModel.getSelectedSet().iterator(); + while(it.hasNext()){ + selectionModel.setSelected(it.next(),false); + } + + /*for (int r : selectedRows) { + int row = r - startIndex; + styleRow(row, false); + makeRowNotDraggable(row+1); + } + selectedRows.clear(); + Object sel = GSS.get().getCurrentSelection(); + if (sel instanceof FileResource || sel instanceof List) + GSS.get().setCurrentSelection(null); + if(menuShowing != null && menuShowing.isShowing()){ + menuShowing.hide(); + menuShowing=null; + }*/ + } + + /** + * + */ + public void selectAllRows() { + /*clearSelectedRows(); + int count = folderFileCount; + if (count == 0) + return; + int max = startIndex + GSS.VISIBLE_FILE_COUNT; + if (max > count) + max = count; + int i = 1; + for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) { + // Don't read past the end. + // if (i > folderFileCount) + // break; + if (startIndex + i > folderFileCount) + break; + selectedRows.add(startIndex + i - 1); + styleRow(i - 1, true); + makeRowDraggable(i); + } + GSS.get().setCurrentSelection(getSelectedFiles()); + contextMenu.setFiles(getSelectedFiles());*/ + + + } + + private void makeRowDraggable(int row){ + /* int contextRow = getWidgetRow(contextMenu, table); + if (contextRow != -1) + table.setWidget(contextRow, 0, getFileIcon(files.get(contextRow - 1)).createImage()); + contextMenu.setWidget(new HTML(getFileIcon(files.get(row - 1)).getHTML())); + table.setWidget(row, 0, contextMenu); + //for(int i=1;i() { + + @Override + public int compare(FileResource arg0, FileResource arg1) { + AbstractImagePrototype descPrototype = AbstractImagePrototype.create(images.desc()); + AbstractImagePrototype ascPrototype = AbstractImagePrototype.create(images.asc()); + if (sortingType){ + if (sortingProperty.equals("version")) { + return arg0.getVersion().compareTo(arg1.getVersion()); + } else if (sortingProperty.equals("owner")) { + return arg0.getOwner().compareTo(arg1.getOwner()); + } else if (sortingProperty.equals("date")) { + return arg0.getModificationDate().compareTo(arg1.getModificationDate()); + } else if (sortingProperty.equals("size")) { + return arg0.getContentLength().compareTo(arg1.getContentLength()); + } else if (sortingProperty.equals("name")) { + return arg0.getName().compareTo(arg1.getName()); + } else if (sortingProperty.equals("path")) { + return arg0.getUri().compareTo(arg1.getUri()); + } else { + return arg0.getName().compareTo(arg1.getName()); + } + } + else if (sortingProperty.equals("version")) { + + return arg1.getVersion().compareTo(arg0.getVersion()); + } else if (sortingProperty.equals("owner")) { + + return arg1.getOwner().compareTo(arg0.getOwner()); + } else if (sortingProperty.equals("date")) { + + return arg1.getModificationDate().compareTo(arg0.getModificationDate()); + } else if (sortingProperty.equals("size")) { + + return arg1.getContentLength().compareTo(arg0.getContentLength()); + } else if (sortingProperty.equals("name")) { + + return arg1.getName().compareTo(arg0.getName()); + } else if (sortingProperty.equals("path")) { + + return arg1.getUri().compareTo(arg0.getUri()); + } else { + + return arg1.getName().compareTo(arg0.getName()); + } + } + + }); + } + + final class FileValueUpdater implements ValueUpdater{ + private String property; + private SortableHeader header; + /** + * + */ + public FileValueUpdater(SortableHeader header,String property) { + this.property=property; + this.header=header; + } + @Override + public void update(String value) { + header.setSorted(true); + header.toggleReverseSort(); + + for (SortableHeader otherHeader : allHeaders) { + if (otherHeader != header) { + otherHeader.setSorted(false); + otherHeader.setReverseSort(true); + } + } + celltable.redrawHeaders(); + sortFiles(property, header.getReverseSort()); + FileList.this.update(true); + } + + } + /** + * Creates a new ArrayList from the given files ArrayList + * in order that the input files remain untouched + * and continues to find user's full names of each FileResource element + * in the new ArrayList + * + * @param filesInput + */ + private void copyListAndContinue(List filesInput){ + List copiedFiles = new ArrayList(); + for(FileResource file : filesInput) { + copiedFiles.add(file); + } + handleFullNames(copiedFiles); + } + + /** + * Examines whether or not the user's full name exists in the + * userFullNameMap in the GSS.java for every element of the input list. + * If the user's full name does not exist in the map then a command is being made. + * + * @param filesInput + */ + private void handleFullNames(List filesInput){ + if(filesInput.size() == 0){ + showCellTable(); + return; + } + + if(GSS.get().findUserFullName(filesInput.get(0).getOwner()) == null){ + findFullNameAndUpdate(filesInput); + return; + } + + if(filesInput.size() >= 1){ + filesInput.remove(filesInput.get(0)); + if(filesInput.isEmpty()){ + showCellTable(); + }else{ + handleFullNames(filesInput); + } + } + } + + /** + * Makes a command to search for full name from a given username. + * Only after the completion of the command the celltable is shown + * or the search for the next full name continues. + * + * @param filesInput + */ + private void findFullNameAndUpdate(final List filesInput){ + String aUserName = filesInput.get(0).getOwner(); + String path = GSS.get().getApiPath() + "users/" + aUserName; + + GetCommand gg = new GetCommand(UserSearchResource.class, path, false,null) { + @Override + public void onComplete() { + final UserSearchResource result = getResult(); + for (UserResource user : result.getUsers()){ + String username = user.getUsername(); + String userFullName = user.getName(); + GSS.get().putUserToMap(username, userFullName); + if(filesInput.size() >= 1){ + filesInput.remove(filesInput.get(0)); + if(filesInput.isEmpty()){ + showCellTable(); + }else{ + handleFullNames(filesInput); + } + } + } + } + @Override + public void onError(Throwable t) { + GWT.log("", t); + GSS.get().displayError("Unable to fetch user's full name from the given username " + filesInput.get(0).getOwner()); + if(filesInput.size() >= 1){ + filesInput.remove(filesInput.get(0)); + handleFullNames(filesInput); + } + } + }; + DeferredCommand.addCommand(gg); + + } + /** + * Shows the files in the cellTable + */ + + private void showCellTable(){ + celltable.setRowCount(files.size()); + celltable.setRowData(0,files); + celltable.redrawHeaders(); + } + + +}