root / src / gr / grnet / pithos / web / client / FileUploadDialog.java @ 70cf069b
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/*
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* Copyright 2011-2012 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client; |
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import gr.grnet.pithos.web.client.foldertree.Folder; |
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import com.google.gwt.core.client.Scheduler; |
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import com.google.gwt.dom.client.NativeEvent; |
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import com.google.gwt.event.dom.client.ClickEvent; |
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import com.google.gwt.event.dom.client.ClickHandler; |
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import com.google.gwt.event.dom.client.KeyCodes; |
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import com.google.gwt.event.logical.shared.CloseEvent; |
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import com.google.gwt.event.logical.shared.CloseHandler; |
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import com.google.gwt.http.client.URL; |
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import com.google.gwt.user.client.Command; |
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import com.google.gwt.user.client.Event.NativePreviewEvent; |
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import com.google.gwt.user.client.ui.Anchor; |
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import com.google.gwt.user.client.ui.Button; |
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import com.google.gwt.user.client.ui.DialogBox; |
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import com.google.gwt.user.client.ui.FileUpload; |
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import com.google.gwt.user.client.ui.FlowPanel; |
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import com.google.gwt.user.client.ui.FormPanel; |
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import com.google.gwt.user.client.ui.Grid; |
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import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
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import com.google.gwt.user.client.ui.Hidden; |
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import com.google.gwt.user.client.ui.HorizontalPanel; |
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import com.google.gwt.user.client.ui.Label; |
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import com.google.gwt.user.client.ui.PopupPanel; |
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import com.google.gwt.user.client.ui.VerticalPanel; |
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/**
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* The 'File upload' dialog box implementation.
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*/
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public class FileUploadDialog extends DialogBox { |
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public static final boolean DONE = true; |
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/**
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* The Form element that performs the file upload.
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*/
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protected final FormPanel form = new FormPanel(); |
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private final FileUpload upload = new FileUpload(); |
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private final Label filenameLabel = new Label(); |
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private final Label foldernameLabel = new Label(); |
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private Button submit; |
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protected Folder folder;
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protected Pithos app;
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/**
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* The widget's constructor.
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*/
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public FileUploadDialog(Pithos _app) {
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app = _app; |
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Anchor close = new Anchor();
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close.addStyleName("close");
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close.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) { |
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close(); |
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} |
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}); |
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// Set the dialog's caption.
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setText("File upload");
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setAnimationEnabled(true);
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setGlassEnabled(true);
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setStyleName("pithos-DialogBox");
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setVisible(false);
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// Since we're going to add a FileUpload widget, we'll need to set the
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// form to use the POST method, and multipart MIME encoding.
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form.setEncoding(FormPanel.ENCODING_MULTIPART); |
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form.setMethod(FormPanel.METHOD_POST); |
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// Create a panel to hold all of the form widgets.
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VerticalPanel panel = new VerticalPanel();
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panel.setWidth("470px");
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panel.add(close); |
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form.setWidget(panel); |
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VerticalPanel inner = new VerticalPanel();
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inner.addStyleName("inner");
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final Hidden auth = new Hidden("X-Auth-Token"); |
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inner.add(auth); |
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upload.setName("X-Object-Data");
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upload.setVisible(false);
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filenameLabel.setText("");
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filenameLabel.setVisible(false);
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filenameLabel.setStyleName("props-labels");
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HorizontalPanel fileUploadPanel = new HorizontalPanel();
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fileUploadPanel.setVisible(false);
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fileUploadPanel.add(filenameLabel); |
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fileUploadPanel.add(upload); |
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Grid generalTable = new Grid(2, 2); |
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generalTable.setText(0, 0, "Folder"); |
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generalTable.setWidget(0, 1, foldernameLabel); |
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generalTable.setWidget(1, 1, fileUploadPanel); |
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generalTable.getCellFormatter().setStyleName(0, 0, "props-labels"); |
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generalTable.getCellFormatter().setStyleName(0, 1, "props-values"); |
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generalTable.getCellFormatter().setVisible(1, 0, false); |
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generalTable.setCellSpacing(4);
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inner.add(generalTable); |
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FlowPanel uploader = new FlowPanel();
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uploader.getElement().setId("uploader");
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inner.add(uploader); |
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panel.add(inner); |
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panel.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER); |
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setWidget(form); |
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} |
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private void refreshFolder() { |
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if (app.getSelectedTree().equals(app.getFolderTreeView()))
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app.updateFolder(folder, true, new Command() { |
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@Override
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public void execute() { |
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app.updateStatistics(); |
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} |
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}); |
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else
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app.updateOtherSharedFolder(folder, true);
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} |
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native void setupUpload(FileUploadDialog dlg, String path, String token) /*-{ |
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var uploader = $wnd.$('#uploader').pluploadQueue();
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var createUploader = function() {
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$wnd.$("#uploader").pluploadQueue({
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// General settings
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runtimes : 'html5, flash, gears, silverlight, browserplus, html4',
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unique_names : true,
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// Flash settings
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flash_swf_url : 'plupload/js/plupload.flash.swf',
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// Silverlight settings
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silverlight_xap_url : 'plupload/js/plupload.silverlight.xap',
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multiple_queues: true,
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preinit: {
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Init: function(up, info) {
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$wnd.console.log("Init fired");
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up.settings.file_data_name = "X-Object-Data";
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}
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},
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init: {
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FilesAdded: function(up, files) {
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for (var j=0; j<files.length; j++)
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files[j].url = up.path + "/" + files[j].name + "?X-Auth-Token=" + encodeURIComponent(token);
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},
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BeforeUpload: function(up, file) {
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$wnd.console.log('About to upload ' + file.url);
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up.settings.url = file.url;
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},
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FileUploaded: function(up, file, response) {
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$wnd.console.log('File ' + file.name + ' uploaded');
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$wnd.console.log('Response: ' + response);
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},
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UploadComplete: function(up, files) {
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$wnd.console.log('All files finished');
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dlg.@gr.grnet.pithos.web.client.FileUploadDialog::hideUploadIndicator()();
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dlg.@gr.grnet.pithos.web.client.FileUploadDialog::refreshFolder()();
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},
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Error: function(up, error) {
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$wnd.console.log("Error occured:" + error);
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}
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}
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});
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return $wnd.$('#uploader').pluploadQueue();
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};
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$wnd.console.log(uploader);
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if (!uploader) {
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uploader = createUploader();
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}
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else {
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var removeAll = true;
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var files = uploader.files;
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$wnd.console.log('About to check ' + files.length + ' files');
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for (var i=0; i<files.length; i++) {
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var f = files[i];
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if (f.status != $wnd.plupload.DONE && f.status != $wnd.plupload.FAILED) {
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removeAll = false;
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break;
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}
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}
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if (removeAll) {
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$wnd.console.log('About to remove ' + files.length + ' files');
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uploader.destroy();
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uploader = createUploader();
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$wnd.console.log(uploader);
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}
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}
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uploader.path = path;
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}-*/;
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native boolean isUploading()/*-{ |
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var uploader = $wnd.$("#uploader").pluploadQueue();
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var files = uploader.files;
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for (var i=0; i<files.length; i++) {
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var f = files[i];
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if (f.status == $wnd.plupload.UPLOADING) {
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return true;
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}
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}
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return false;
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}-*/;
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@Override
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protected void onPreviewNativeEvent(NativePreviewEvent event) { |
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super.onPreviewNativeEvent(event);
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NativeEvent evt = event.getNativeEvent(); |
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if (evt.getType().equals("keydown")) |
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// Use the popup's key preview hooks to close the dialog when
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// escape is pressed.
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switch (evt.getKeyCode()) {
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case KeyCodes.KEY_ESCAPE:
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close(); |
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break;
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} |
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} |
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public void setFolder(Folder folder) { |
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this.folder = folder;
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foldernameLabel.setText(folder.getName()); |
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} |
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@Override
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public void center() { |
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app.hideUploadIndicator(); |
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setVisible(true);
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setModal(true);
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super.center();
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String path = app.getApiPath() + folder.getOwner() + folder.getUri();
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setupUpload(this, path, app.getToken());
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super.center();
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} |
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private void hideUploadIndicator() { |
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app.hideUploadIndicator(); |
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} |
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void close() {
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setVisible(false);
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setModal(false);
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if (isUploading())
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app.showUploadIndicator(); |
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} |
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} |