X-Git-Url: https://code.grnet.gr/git/pithos/blobdiff_plain/fd294c94ed7c5c2fcf745b5c7e2f62613ba20416..bd2b3100be34577bf7bcc8d0d25fc1b14229dff6:/src/gr/ebs/gss/client/SearchResults.java diff --git a/src/gr/ebs/gss/client/SearchResults.java b/src/gr/ebs/gss/client/SearchResults.java index 9e11b73..e619048 100644 --- a/src/gr/ebs/gss/client/SearchResults.java +++ b/src/gr/ebs/gss/client/SearchResults.java @@ -1,810 +1,813 @@ -/* - * 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.DnDSimpleFocusPanel; -import gr.ebs.gss.client.rest.GetCommand; -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.SearchResource; -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.dom.client.NativeEvent; -import com.google.gwt.event.dom.client.ClickEvent; -import com.google.gwt.event.dom.client.ClickHandler; -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.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.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.HTMLTable.Cell; - -/** - * A composite that displays a list of search results for a particular query on - * files. - */ -public class SearchResults extends Composite implements ClickHandler { - - 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 DnDSimpleFocusPanel contextMenu; - - /** - * Specifies that the images available for this composite will be the ones - * available in FileContextMenu. - */ - public interface Images extends ClientBundle,FileContextMenu.Images, Folders.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(); - } - - /** - * 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; - - /** - * The navigation bar for paginating the results. - */ - private HorizontalPanel navBar = new HorizontalPanel(); - - /** - * The number of files in the search results - */ - private int folderFileCount; - - /** - * Total search results size - */ - private 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; - - private HTML searchResults = new HTML("Results for search:"); - - /** - * 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 SearchResults(final Images _images) { - images = _images; - final GSS app = GSS.get(); - table = new FileTable(GSS.VISIBLE_FILE_COUNT + 1, 8) { - - @Override - public void onBrowserEvent(Event event) { - if (DOM.eventGetType(event) == Event.ONMOUSEDOWN && DOM.eventGetButton(event) == NativeEvent.BUTTON_RIGHT){ - 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(); - } - int ri = table.getRowForEvent2(event); - if(ri != -1) - if(!selectedRows.contains(ri-1)) - onRowClicked(ri, false); - } - - 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) { - 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); - } - }; - prevButton.addClickHandler(this); - nextButton.addClickHandler(this); - - contextMenu = new DnDSimpleFocusPanel(new HTML(AbstractImagePrototype.create(images.fileContextMenu()).getHTML())); - contextMenu.addClickHandler(new FileContextMenu(images, false, false)); - app.getDragController().makeDraggable(contextMenu); - - // Setup the table. - table.setCellSpacing(0); - table.setCellPadding(2); - table.setWidth("100%"); - - // Hook up events. - table.addClickHandler(new ClickHandler() { - - @Override - public void onClick(ClickEvent event) { - Cell cell = table.getCellForEvent(event); - onRowClicked(cell.getRowIndex(),true); - } - }); - - // 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%"); - VerticalPanel vp = new VerticalPanel(); - vp.add(searchResults); - searchResults.addStyleName("gss-searchLabel"); - vp.add(table); - initWidget(vp); - table.setStyleName("gss-List"); - initTable(); - DeferredCommand.addCommand(new IncrementalCommand() { - - public boolean execute() { - return fetchRootFolder(); - } - }); - table.sinkEvents(Event.ONCONTEXTMENU); - table.sinkEvents(Event.ONMOUSEUP); - table.sinkEvents(Event.ONMOUSEDOWN); - table.sinkEvents(Event.ONCLICK); - table.sinkEvents(Event.ONKEYDOWN); - table.sinkEvents(Event.ONDBLCLICK); - preventIESelection(); - } - - public void onClick(ClickEvent event) { - if (event.getSource() == nextButton) { - // Move forward a page. - clearSelectedRows(); - startIndex += GSS.VISIBLE_FILE_COUNT; - if (startIndex >= folderFileCount) - startIndex -= GSS.VISIBLE_FILE_COUNT; - else - update(false); - } else if (event.getSource() == prevButton) { - clearSelectedRows(); - // Move back a page. - startIndex -= GSS.VISIBLE_FILE_COUNT; - if (startIndex < 0) - startIndex = 0; - else - update(false); - } - } - - /** - * 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; - updateFileCache(""); - return DONE; - } - - public void onRowClicked(int row, boolean toggleSelection) { - // 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()); - table.setWidget(row, 0, contextMenu); - } 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()); - table.setWidget(row, 0, contextMenu); - //contextMenu.setFiles(getSelectedFiles()); - } - - } else if (row > 0) - selectRow(row - 1, toggleSelection); - - } - - /** - * Initializes the table so that it contains enough rows for a full page of - * files. - */ - private void initTable() { - - nameLabel = new HTML("Name"); - nameLabel.addClickHandler(new ClickHandler() { - @Override - public void onClick(ClickEvent event) { - sortFiles("name"); - } - - }); - versionLabel = new HTML("Version"); - versionLabel.addClickHandler(new ClickHandler() { - @Override - public void onClick(ClickEvent event) { - sortFiles("version"); - } - - }); - sizeLabel = new HTML("Size"); - sizeLabel.addClickHandler(new ClickHandler() { - @Override - public void onClick(ClickEvent event) { - sortFiles("size"); - } - - }); - dateLabel = new HTML("Last modified"); - dateLabel.addClickHandler(new ClickHandler() { - @Override - public void onClick(ClickEvent event) { - sortFiles("date"); - } - - }); - ownerLabel = new HTML("Owner"); - ownerLabel.addClickHandler(new ClickHandler() { - @Override - public void onClick(ClickEvent event) { - sortFiles("owner"); - } - - }); - - pathLabel = new HTML("Path"); - pathLabel.addClickHandler(new ClickHandler() { - @Override - public void onClick(ClickEvent event) { - sortFiles("path"); - } - - }); - // Create the header row. - table.setText(0, 0, ""); - // table.setText(0, 1, "Name"); - table.setWidget(0, 1, nameLabel); - table.setWidget(0, 2, ownerLabel); - // table.setText(0, 3, "Version"); - table.setWidget(0, 3, pathLabel); - table.setWidget(0, 4, versionLabel); - // table.setText(0, 4, "Size"); - table.setWidget(0, 5, sizeLabel); - // table.setText(0, 5, "Last modified"); - 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.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().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, boolean toggleSelection) { - if (row < folderFileCount) { - if (clickControl) - if (selectedRows.contains(row) && toggleSelection) { - int i = selectedRows.indexOf(startIndex + row); - selectedRows.remove(i); - styleRow(row, false); - } else { - for (int r : selectedRows) { - int prow = r - startIndex; - table.setWidget(prow + 1, 0, AbstractImagePrototype.create(images.document()).createImage()); - } - selectedRows.add(startIndex + row); - styleRow(row, true); - } - else { - clearSelectedRows(); - selectedRows.add(startIndex + row); - styleRow(row, true); - } - if (selectedRows.size() == 1) - GSS.get().setCurrentSelection(files.get(selectedRows.get(0))); - else - GSS.get().setCurrentSelection(getSelectedFiles()); - //contextMenu.setFiles(getSelectedFiles()); - table.setWidget(row + 1, 0, contextMenu); - } - } - - 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(boolean sort) { - int count = folderFileCount; - int max = startIndex + GSS.VISIBLE_FILE_COUNT; - if (max > count) - max = count; - folderTotalSize = 0; - - if (sort && files != null && files.size() != 0) { - clearLabels(); - clearSelectedRows(); - - Collections.sort(files, new Comparator() { - - 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")) { - versionLabel.setHTML("Version " + descPrototype.getHTML()); - return arg0.getVersion().compareTo(arg1.getVersion()); - } else if (sortingProperty.equals("owner")) { - ownerLabel.setHTML("Owner " + descPrototype.getHTML()); - return arg0.getOwner().compareTo(arg1.getOwner()); - } else if (sortingProperty.equals("date")) { - dateLabel.setHTML("Last modified " + descPrototype.getHTML()); - return arg0.getModificationDate().compareTo(arg1.getModificationDate()); - } else if (sortingProperty.equals("size")) { - sizeLabel.setHTML("Size " + descPrototype.getHTML()); - return arg0.getContentLength().compareTo(arg1.getContentLength()); - } else if (sortingProperty.equals("name")) { - nameLabel.setHTML("Name " + descPrototype.getHTML()); - return arg0.getName().compareTo(arg1.getName()); - } else if (sortingProperty.equals("path")) { - pathLabel.setHTML("Path " + descPrototype.getHTML()); - return arg0.getUri().compareTo(arg1.getUri()); - } else { - nameLabel.setHTML("Name " + descPrototype.getHTML()); - return arg0.getName().compareTo(arg1.getName()); - } - else if (sortingProperty.equals("version")) { - versionLabel.setHTML("Version " + ascPrototype.getHTML()); - return arg1.getVersion().compareTo(arg0.getVersion()); - } else if (sortingProperty.equals("owner")) { - ownerLabel.setHTML("Owner " + ascPrototype.getHTML()); - return arg1.getOwner().compareTo(arg0.getOwner()); - } else if (sortingProperty.equals("date")) { - dateLabel.setHTML("Last modified " + ascPrototype.getHTML()); - return arg1.getModificationDate().compareTo(arg0.getModificationDate()); - } else if (sortingProperty.equals("size")) { - sizeLabel.setHTML("Size " + ascPrototype.getHTML()); - return arg1.getContentLength().compareTo(arg0.getContentLength()); - } else if (sortingProperty.equals("name")) { - nameLabel.setHTML("Name " + ascPrototype.getHTML()); - return arg1.getName().compareTo(arg0.getName()); - } else if (sortingProperty.equals("path")) { - pathLabel.setHTML("Path " + ascPrototype.getHTML()); - return arg1.getUri().compareTo(arg0.getUri()); - } else { - nameLabel.setHTML("Name " + ascPrototype.getHTML()); - return arg1.getName().compareTo(arg0.getName()); - } - } - - }); - - } - // 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. - table.setWidget(i, 0, AbstractImagePrototype.create(images.document()).createImage()); - FileResource fileHeader = files.get(startIndex + i - 1); - table.getRowFormatter().addStyleName(i, "gss-fileRow"); - table.setHTML(i, 1, fileHeader.getName()); - table.setText(i, 2, fileHeader.getOwner()); - table.setText(i, 3, fileHeader.getPath()); - table.setText(i, 4, String.valueOf(fileHeader.getVersion())); - table.setText(i, 5, String.valueOf(fileHeader.getFileSizeAsString())); - final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a"); - table.setText(i, 6, formatter.format(fileHeader.getModificationDate())); - folderTotalSize += fileHeader.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(); - } - - /** - * 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.setHTML(table.getRowCount(), 5, " "); - table.resizeRows(table.getRowCount() + 1); - GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); - } - else - while (newHeight < table.getOffsetHeight()) { - // table.setHTML(table.getRowCount(), 5, " "); - table.resizeRows(table.getRowCount() - 1); - GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); - } - } - - /** - * Update the file cache with data from the server. - */ - public void updateFileCache(String query) { - final GSS app = GSS.get(); - clearSelectedRows(); - clearLabels(); - startIndex = 0; - app.showLoadingIndicator(); - if (query == null || query.trim().equals("")) { - searchResults.setHTML("You must specify a query"); - setFiles(new ArrayList()); - update(true); - app.hideLoadingIndicator(); - } else{ - searchResults.setHTML("Search results for " + query); - - GetCommand eg = new GetCommand(SearchResource.class, - app.getApiPath() + "search/" + URL.encodeComponent(query), null) { - - @Override - public void onComplete() { - SearchResource s = getResult(); - setFiles(s.getFiles()); - update(true); - } - - @Override - public void onError(Throwable t) { - if(t instanceof RestException) - app.displayError("Unable to perform search:"+((RestException)t).getHttpStatusText()); - else - app.displayError("System error performing search:"+t.getMessage()); - updateFileCache(""); - } - - }; - DeferredCommand.addCommand(eg); - } - } - - /** - * Fill the file cache with data. - * - * @param _files - * @param filePaths the files to set - */ - private void setFiles(List _files) { - files = _files; - Collections.sort(files, new Comparator() { - - public int compare(FileResource arg0, FileResource arg1) { - return arg0.getName().compareTo(arg1.getName()); - } - - }); - folderFileCount = files.size(); - GWT.log("File count:" + folderFileCount, null); - } - - private void sortFiles(final String sortProperty) { - if (sortProperty.equals(sortingProperty)) - sortingType = !sortingType; - else { - sortingProperty = sortProperty; - sortingType = true; - } - update(true); - } - - private void clearLabels() { - nameLabel.setText("Name"); - versionLabel.setText("Version"); - sizeLabel.setText("Size"); - dateLabel.setText("Last modified"); - 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); - table.setWidget(row + 1, 0, AbstractImagePrototype.create(images.document()).createImage()); - } - selectedRows.clear(); - Object sel = GSS.get().getCurrentSelection(); - if (sel instanceof FileResource || sel instanceof List) - GSS.get().setCurrentSelection(null); - } - - public static native void preventIESelection() /*-{ - $doc.body.onselectstart = function () { return false; }; - }-*/; - - public static native void enableIESelection() /*-{ - if ($doc.body.onselectstart != null) - $doc.body.onselectstart = 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()); - table.setWidget(i - 1, 0, contextMenu); - } - -} +/* + * 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.rest.GetCommand; +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.SearchResource; +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.dom.client.NativeEvent; +import com.google.gwt.event.dom.client.ClickEvent; +import com.google.gwt.event.dom.client.ClickHandler; +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.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.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.HTMLTable.Cell; + +/** + * A composite that displays a list of search results for a particular query on + * files. + */ +public class SearchResults extends Composite implements ClickHandler { + + 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(); + + + + /** + * 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(); + } + + /** + * 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; + + /** + * The navigation bar for paginating the results. + */ + private HorizontalPanel navBar = new HorizontalPanel(); + + /** + * The number of files in the search results + */ + private int folderFileCount; + + /** + * Total search results size + */ + private 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; + + private HTML searchResults = new HTML("Results for search:"); + + /** + * 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 SearchResults(final Images _images) { + images = _images; + final GSS app = GSS.get(); + table = new FileTable(GSS.VISIBLE_FILE_COUNT + 1, 8) { + + @Override + public void onBrowserEvent(Event event) { + if (DOM.eventGetType(event) == Event.ONMOUSEDOWN && DOM.eventGetButton(event) == NativeEvent.BUTTON_RIGHT){ + 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(); + } + int ri = table.getRowForEvent2(event); + if(ri != -1) + if(!selectedRows.contains(ri-1)) + onRowClicked(ri, false); + } + + 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) { + 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); + } + }; + prevButton.addClickHandler(this); + nextButton.addClickHandler(this); + + + // Setup the table. + table.setCellSpacing(0); + table.setCellPadding(2); + table.setWidth("100%"); + + // Hook up events. + table.addClickHandler(new ClickHandler() { + + @Override + public void onClick(ClickEvent event) { + Cell cell = table.getCellForEvent(event); + onRowClicked(cell.getRowIndex(),true); + } + }); + + // 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%"); + VerticalPanel vp = new VerticalPanel(); + vp.add(searchResults); + searchResults.addStyleName("gss-searchLabel"); + vp.add(table); + initWidget(vp); + table.setStyleName("gss-List"); + initTable(); + DeferredCommand.addCommand(new IncrementalCommand() { + + @Override + public boolean execute() { + return fetchRootFolder(); + } + }); + table.sinkEvents(Event.ONCONTEXTMENU); + table.sinkEvents(Event.ONMOUSEUP); + table.sinkEvents(Event.ONMOUSEDOWN); + table.sinkEvents(Event.ONCLICK); + table.sinkEvents(Event.ONKEYDOWN); + table.sinkEvents(Event.ONDBLCLICK); + preventIESelection(); + } + + @Override + public void onClick(ClickEvent event) { + if (event.getSource() == nextButton) { + // Move forward a page. + clearSelectedRows(); + startIndex += GSS.VISIBLE_FILE_COUNT; + if (startIndex >= folderFileCount) + startIndex -= GSS.VISIBLE_FILE_COUNT; + else + update(false); + } else if (event.getSource() == prevButton) { + clearSelectedRows(); + // Move back a page. + startIndex -= GSS.VISIBLE_FILE_COUNT; + if (startIndex < 0) + startIndex = 0; + else + update(false); + } + } + + /** + * 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; + updateFileCache(""); + return DONE; + } + + public void onRowClicked(int row, boolean toggleSelection) { + // 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()); + //table.setWidget(row, 0, contextMenu); + } 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()); + //table.setWidget(row, 0, contextMenu); + //contextMenu.setFiles(getSelectedFiles()); + } + + } else if (row > 0) + selectRow(row - 1, toggleSelection); + + } + + /** + * Initializes the table so that it contains enough rows for a full page of + * files. + */ + private void initTable() { + + nameLabel = new HTML("Name"); + nameLabel.addClickHandler(new ClickHandler() { + @Override + public void onClick(ClickEvent event) { + sortFiles("name"); + } + + }); + versionLabel = new HTML("Version"); + versionLabel.addClickHandler(new ClickHandler() { + @Override + public void onClick(ClickEvent event) { + sortFiles("version"); + } + + }); + sizeLabel = new HTML("Size"); + sizeLabel.addClickHandler(new ClickHandler() { + @Override + public void onClick(ClickEvent event) { + sortFiles("size"); + } + + }); + dateLabel = new HTML("Last modified"); + dateLabel.addClickHandler(new ClickHandler() { + @Override + public void onClick(ClickEvent event) { + sortFiles("date"); + } + + }); + ownerLabel = new HTML("Owner"); + ownerLabel.addClickHandler(new ClickHandler() { + @Override + public void onClick(ClickEvent event) { + sortFiles("owner"); + } + + }); + + pathLabel = new HTML("Path"); + pathLabel.addClickHandler(new ClickHandler() { + @Override + public void onClick(ClickEvent event) { + sortFiles("path"); + } + + }); + // Create the header row. + table.setText(0, 0, ""); + // table.setText(0, 1, "Name"); + table.setWidget(0, 1, nameLabel); + table.setWidget(0, 2, ownerLabel); + // table.setText(0, 3, "Version"); + table.setWidget(0, 3, pathLabel); + table.setWidget(0, 4, versionLabel); + // table.setText(0, 4, "Size"); + table.setWidget(0, 5, sizeLabel); + // table.setText(0, 5, "Last modified"); + 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.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().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, boolean toggleSelection) { + if (row < folderFileCount) { + if (clickControl) + if (selectedRows.contains(row) && toggleSelection) { + int i = selectedRows.indexOf(startIndex + row); + selectedRows.remove(i); + styleRow(row, false); + } else { + for (int r : selectedRows) { + int prow = r - startIndex; + table.setWidget(prow + 1, 0, AbstractImagePrototype.create(images.document()).createImage()); + } + selectedRows.add(startIndex + row); + styleRow(row, true); + } + else { + clearSelectedRows(); + selectedRows.add(startIndex + row); + styleRow(row, true); + } + if (selectedRows.size() == 1) + GSS.get().setCurrentSelection(files.get(selectedRows.get(0))); + else + GSS.get().setCurrentSelection(getSelectedFiles()); + //contextMenu.setFiles(getSelectedFiles()); + //table.setWidget(row + 1, 0, contextMenu); + } + } + + 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(boolean sort) { + int count = folderFileCount; + int max = startIndex + GSS.VISIBLE_FILE_COUNT; + if (max > count) + max = count; + folderTotalSize = 0; + + if (sort && files != null && files.size() != 0) { + clearLabels(); + clearSelectedRows(); + + Collections.sort(files, new Comparator() { + + @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")) { + versionLabel.setHTML("Version " + descPrototype.getHTML()); + return arg0.getVersion().compareTo(arg1.getVersion()); + } else if (sortingProperty.equals("owner")) { + ownerLabel.setHTML("Owner " + descPrototype.getHTML()); + return arg0.getOwner().compareTo(arg1.getOwner()); + } else if (sortingProperty.equals("date")) { + dateLabel.setHTML("Last modified " + descPrototype.getHTML()); + return arg0.getModificationDate().compareTo(arg1.getModificationDate()); + } else if (sortingProperty.equals("size")) { + sizeLabel.setHTML("Size " + descPrototype.getHTML()); + return arg0.getContentLength().compareTo(arg1.getContentLength()); + } else if (sortingProperty.equals("name")) { + nameLabel.setHTML("Name " + descPrototype.getHTML()); + return arg0.getName().compareTo(arg1.getName()); + } else if (sortingProperty.equals("path")) { + pathLabel.setHTML("Path " + descPrototype.getHTML()); + return arg0.getUri().compareTo(arg1.getUri()); + } else { + nameLabel.setHTML("Name " + descPrototype.getHTML()); + return arg0.getName().compareTo(arg1.getName()); + } + else if (sortingProperty.equals("version")) { + versionLabel.setHTML("Version " + ascPrototype.getHTML()); + return arg1.getVersion().compareTo(arg0.getVersion()); + } else if (sortingProperty.equals("owner")) { + ownerLabel.setHTML("Owner " + ascPrototype.getHTML()); + return arg1.getOwner().compareTo(arg0.getOwner()); + } else if (sortingProperty.equals("date")) { + dateLabel.setHTML("Last modified " + ascPrototype.getHTML()); + return arg1.getModificationDate().compareTo(arg0.getModificationDate()); + } else if (sortingProperty.equals("size")) { + sizeLabel.setHTML("Size " + ascPrototype.getHTML()); + return arg1.getContentLength().compareTo(arg0.getContentLength()); + } else if (sortingProperty.equals("name")) { + nameLabel.setHTML("Name " + ascPrototype.getHTML()); + return arg1.getName().compareTo(arg0.getName()); + } else if (sortingProperty.equals("path")) { + pathLabel.setHTML("Path " + ascPrototype.getHTML()); + return arg1.getUri().compareTo(arg0.getUri()); + } else { + nameLabel.setHTML("Name " + ascPrototype.getHTML()); + return arg1.getName().compareTo(arg0.getName()); + } + } + + }); + + } + // 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. + table.setWidget(i, 0, AbstractImagePrototype.create(images.document()).createImage()); + FileResource fileHeader = files.get(startIndex + i - 1); + table.getRowFormatter().addStyleName(i, "gss-fileRow"); + table.setHTML(i, 1, fileHeader.getName()); + table.setText(i, 2, fileHeader.getOwner()); + table.setText(i, 3, fileHeader.getPath()); + table.setText(i, 4, String.valueOf(fileHeader.getVersion())); + table.setText(i, 5, String.valueOf(fileHeader.getFileSizeAsString())); + final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a"); + table.setText(i, 6, formatter.format(fileHeader.getModificationDate())); + folderTotalSize += fileHeader.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(); + } + + /** + * 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.setHTML(table.getRowCount(), 5, " "); + table.resizeRows(table.getRowCount() + 1); + GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); + } + else + while (newHeight < table.getOffsetHeight()) { + // table.setHTML(table.getRowCount(), 5, " "); + table.resizeRows(table.getRowCount() - 1); + GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null); + } + } + + /** + * Update the file cache with data from the server. + */ + public void updateFileCache(String query) { + final GSS app = GSS.get(); + clearSelectedRows(); + clearLabels(); + startIndex = 0; + app.showLoadingIndicator(); + if (query == null || query.trim().equals("")) { + searchResults.setHTML("You must specify a query."); + setFiles(new ArrayList()); + update(true); + app.hideLoadingIndicator(); + } else if (!GSS.isValidResourceName(query)) { + searchResults.setHTML("The query was invalid. Try to use words that appear in the file's name, contents or tags."); + setFiles(new ArrayList()); + update(true); + app.hideLoadingIndicator(); + } else{ + searchResults.setHTML("Search results for " + query); + + GetCommand eg = new GetCommand(SearchResource.class, + app.getApiPath() + "search/" + URL.encodeComponent(query), null) { + + @Override + public void onComplete() { + SearchResource s = getResult(); + setFiles(s.getFiles()); + update(true); + } + + @Override + public void onError(Throwable t) { + if(t instanceof RestException) + app.displayError("Unable to perform search:"+((RestException)t).getHttpStatusText()); + else + app.displayError("System error performing search:"+t.getMessage()); + updateFileCache(""); + } + + }; + DeferredCommand.addCommand(eg); + } + } + + /** + * Fill the file cache with data. + * + * @param _files + * @param filePaths the files to set + */ + private void setFiles(List _files) { + files = _files; + Collections.sort(files, new Comparator() { + + @Override + public int compare(FileResource arg0, FileResource arg1) { + return arg0.getName().compareTo(arg1.getName()); + } + + }); + folderFileCount = files.size(); + GWT.log("File count:" + folderFileCount, null); + } + + private void sortFiles(final String sortProperty) { + if (sortProperty.equals(sortingProperty)) + sortingType = !sortingType; + else { + sortingProperty = sortProperty; + sortingType = true; + } + update(true); + } + + private void clearLabels() { + nameLabel.setText("Name"); + versionLabel.setText("Version"); + sizeLabel.setText("Size"); + dateLabel.setText("Last modified"); + 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); + table.setWidget(row + 1, 0, AbstractImagePrototype.create(images.document()).createImage()); + } + selectedRows.clear(); + Object sel = GSS.get().getCurrentSelection(); + if (sel instanceof FileResource || sel instanceof List) + GSS.get().setCurrentSelection(null); + } + + public static native void preventIESelection() /*-{ + $doc.body.onselectstart = function () { return false; }; + }-*/; + + public static native void enableIESelection() /*-{ + if ($doc.body.onselectstart != null) + $doc.body.onselectstart = 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()); + //table.setWidget(i - 1, 0, contextMenu); + } + +}