Revision bdda6b2f src/gr/grnet/pithos/web/client/FileUploadDialog.java
b/src/gr/grnet/pithos/web/client/FileUploadDialog.java | ||
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*/ |
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package gr.grnet.pithos.web.client; |
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import com.google.gwt.core.client.Scheduler; |
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import com.google.gwt.http.client.Response; |
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import gr.grnet.pithos.web.client.foldertree.File; |
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import gr.grnet.pithos.web.client.foldertree.Folder; |
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import gr.grnet.pithos.web.client.foldertree.Resource; |
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import gr.grnet.pithos.web.client.rest.GetCommand; |
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import gr.grnet.pithos.web.client.rest.PostCommand; |
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import gr.grnet.pithos.web.client.rest.PutRequest; |
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import gr.grnet.pithos.web.client.rest.RestCommand; |
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import gr.grnet.pithos.web.client.rest.RestException; |
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import gr.grnet.pithos.web.client.rest.resource.FileResource; |
... | ... | |
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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.VerticalPanel; |
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import javax.xml.transform.Templates; |
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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 implements Updateable {
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public class FileUploadDialog extends DialogBox { |
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protected int prgBarInterval = 1500; |
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private ProgressBar progressBar; |
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protected RepeatingTimer repeater = new RepeatingTimer(this, prgBarInterval); |
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public static final boolean DONE = true; |
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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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private final FileUpload upload = new FileUpload(); |
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protected final Label filenameLabel = new Label("");
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private final Label filenameLabel = new Label();
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protected List<FileResource> files;
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private final Label foldernameLabel = new Label();
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protected boolean cancelEvent = false;
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private Button submit;
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protected String fileNameToUse;
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protected Folder folder;
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protected FolderResource folder;
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protected GSS app;
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/** |
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* The widget's constructor. |
... | ... | |
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"Gears</a><br> for uploading multiple files simultaneously."); |
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info.addStyleName("pithos-uploadNote"); |
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panel.add(info); |
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final Hidden date = new Hidden("Date", ""); |
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panel.add(date); |
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final Hidden auth = new Hidden("Authorization", ""); |
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panel.add(auth); |
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// Add an informative label with the folder name. |
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Object selection = GSS.get().getTreeView().getSelection(); |
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folder = ((RestResourceWrapper) selection).getResource(); |
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final Hidden auth = new Hidden("X-Auth-Token", ""); |
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panel.add(auth); |
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upload.setName("file"); |
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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 fileUloadPanel = new HorizontalPanel(); |
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fileUloadPanel.add(filenameLabel); |
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fileUloadPanel.add(upload); |
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upload.getElement().setId("fileUploadDiallog.uploadPanel"); |
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HorizontalPanel fileUploadPanel = new HorizontalPanel(); |
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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.setText(1, 0, "File"); |
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generalTable.setText(0, 1, folder.getName()); |
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generalTable.setWidget(1, 1, fileUloadPanel); |
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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().setStyleName(1, 0, "props-labels"); |
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generalTable.getCellFormatter().setStyleName(0, 1, "props-values"); |
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generalTable.getCellFormatter().setStyleName(1, 1, "props-values"); |
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generalTable.setCellSpacing(4); |
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|
... | ... | |
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// Create the 'upload' button, along with a listener that submits the |
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// form. |
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final Button submit = new Button("Upload", new ClickHandler() {
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submit = new Button("Upload", new ClickHandler() { |
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@Override |
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public void onClick(ClickEvent event) { |
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prepareAndSubmit(); |
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} |
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}); |
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submit.getElement().setId("fileUploadDialog.button.upload"); |
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buttons.add(submit); |
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buttons.setCellHorizontalAlignment(submit, HasHorizontalAlignment.ALIGN_CENTER); |
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// Create the 'Cancel' button, along with a listener that hides the |
... | ... | |
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final Button cancel = new Button("Cancel", new ClickHandler() { |
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@Override |
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public void onClick(ClickEvent event) { |
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repeater.finish(); |
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hide(); |
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} |
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}); |
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cancel.getElement().setId("fileUploadDialog.button.cancel"); |
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buttons.add(cancel); |
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buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER); |
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buttons.setSpacing(8); |
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buttons.addStyleName("pithos-DialogBox"); |
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panel.add(buttons); |
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panel.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER); |
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// Add an event handler to the form. |
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form.addSubmitHandler(new SubmitHandler() { |
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@Override |
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public void onSubmit(SubmitEvent event) { |
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GSS app = GSS.get(); |
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// This event is fired just before the form is submitted. We can |
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// take this opportunity to perform validation. |
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if (upload.getFilename().length() == 0) { |
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app.displayError("You must select a file!"); |
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event.cancel(); |
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hide(); |
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} else { |
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canContinue(); |
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GWT.log("Cancel:" + cancelEvent, null); |
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if (cancelEvent) { |
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cancelEvent = false; |
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app.displayError("The specified file name already exists in this folder"); |
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event.cancel(); |
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hide(); |
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} else { |
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fileNameToUse = getFilename(upload.getFilename()); |
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String apath; |
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FileResource selectedFile = getFileForName(fileNameToUse); |
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if (selectedFile == null ) { |
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//we are going to create a file |
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apath = folder.getUri(); |
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if (!apath.endsWith("/")) |
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apath = apath + "/"; |
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apath = apath + encodeComponent(fileNameToUse); |
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} else |
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apath = selectedFile.getUri(); |
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form.setAction(apath); |
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String dateString = RestCommand.getDate(); |
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String resource = apath.substring(app.getApiPath().length() - 1, apath.length()); |
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String sig = RestCommand.calculateSig("POST", dateString, resource, RestCommand.base64decode(app.getToken())); |
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date.setValue(dateString); |
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auth.setValue(app.getCurrentUserResource().getUsername() + " " + sig); |
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GWT.log("FolderPATH:" + folder.getUri(), null); |
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submit.setEnabled(false); |
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upload.setVisible(false); |
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filenameLabel.setText(fileNameToUse); |
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filenameLabel.setVisible(true); |
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repeater.start(); |
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progressBar.setVisible(true); |
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} |
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} |
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auth.setValue(app.getToken()); //This is done here because the app object is not available in the constructor |
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} |
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}); |
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form.addSubmitCompleteHandler(new SubmitCompleteHandler() { |
... | ... | |
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// Unfortunately the results are never empty, even in |
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// the absense of errors, so we have to check for '<pre></pre>'. |
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if (!results.equalsIgnoreCase("<pre></pre>")) { |
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if (results != null && !results.equalsIgnoreCase("<pre></pre>")) {
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GWT.log(results, null); |
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GSS.get().displayError(results);
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app.displayError(results);
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} |
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progressBar.setProgress(100); |
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cancelUpload(); |
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GSS.get().getTreeView().updateNode(GSS.get().getTreeView().getSelection()); |
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GSS.get().getStatusPanel().updateStats(); |
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app.updateFolder(folder); |
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hide(); |
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} |
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}); |
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panel.add(buttons); |
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progressBar = new ProgressBar(50, ProgressBar.SHOW_TIME_REMAINING); |
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panel.add(progressBar); |
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progressBar.setVisible(false); |
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panel.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER); |
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panel.setCellHorizontalAlignment(progressBar, HasHorizontalAlignment.ALIGN_CENTER); |
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panel.addStyleName("pithos-DialogBox"); |
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addStyleName("pithos-DialogBox"); |
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setWidget(form); |
... | ... | |
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prepareAndSubmit(); |
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break; |
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case KeyCodes.KEY_ESCAPE: |
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cancelUpload();
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hide();
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break; |
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} |
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} |
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/** |
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* Cancels the file upload. |
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*/ |
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private void cancelUpload() { |
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repeater.finish(); |
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hide(); |
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} |
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/** |
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* Make any last minute checks and start the upload. |
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*/ |
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public void prepareAndSubmit() { |
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final String fname = getFilename(upload.getFilename()); |
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protected void prepareAndSubmit() { |
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if (upload.getFilename().length() == 0) { |
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app.displayError("You must select a file!"); |
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return; |
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} |
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final String fname = getFilename(upload.getFilename()); |
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String apath = app.getApiPath() + app.getUsername() + folder.getUri() + "/" + fname; |
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form.setAction(apath); |
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submit.setEnabled(false); |
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upload.setVisible(false); |
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filenameLabel.setText(fname); |
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filenameLabel.setVisible(true); |
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if (getFileForName(fname) == null) { |
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//we are going to create a file, so we check to see if there is a trashed file with the same name |
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FileResource same = null; |
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for (FileResource fres : folder.getFiles()) |
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if (fres.isDeleted() && fres.getName().equals(fname)) |
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same = fres; |
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if (same == null) |
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form.submit(); |
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else { |
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final FileResource sameFile = same; |
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GWT.log("Same deleted file", null); |
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ConfirmationDialog confirm = new ConfirmationDialog("A file with " + |
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"the same name exists in the trash. If you continue,<br/>the trashed " + |
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"file '" + fname + "' will be renamed automatically for you.", "Continue") { |
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@Override |
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public void cancel() { |
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FileUploadDialog.this.hide(); |
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} |
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@Override |
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public void confirm() { |
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updateTrashedFile(getBackupFilename(fname), sameFile); |
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} |
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}; |
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confirm.center(); |
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} |
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doUpload(apath); |
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} |
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else { |
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// We are going to update an existing file, so show a confirmation dialog. |
... | ... | |
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} |
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} |
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/** |
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private void doUpload(String path) { |
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PutRequest createFile = new PutRequest(path) { |
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@Override |
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public void onSuccess(Resource result) { |
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form.submit(); |
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} |
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@Override |
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public void onError(Throwable t) { |
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GWT.log("", t); |
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if (t instanceof RestException) { |
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app.displayError("Unable to create file:" + ((RestException) t).getHttpStatusText()); |
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} |
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else |
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app.displayError("System error creating file:" + t.getMessage()); |
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} |
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}; |
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createFile.setHeader("X-Auth-Token", app.getToken()); |
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createFile.setHeader("Content-Length", "0"); |
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Scheduler.get().scheduleDeferred(createFile); |
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} |
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|
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/** |
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* Returns the file name from a potential full path argument. Apparently IE |
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* insists on sending the full path name of a file when uploading, forcing |
356 | 295 |
* us to trim the extra path info. Since this is only observed on Windows we |
... | ... | |
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return name.substring(pathSepIndex + 1); |
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} |
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/** |
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* Check whether the file name exists in selected folder. |
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* |
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* @return |
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*/ |
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private boolean canContinue() { |
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if (files == null) |
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return false; |
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String fileName = getFilename(upload.getFilename()); |
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if (getFileForName(fileName) == null) { |
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// For file creation, check to see if the file already exists. |
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GWT.log("filename to upload:" + fileName, null); |
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for (FileResource dto : files) { |
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GWT.log("Check:" + dto.getName() + "/" + fileName, null); |
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if (!dto.isDeleted() && dto.getName().equals(fileName)) { |
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cancelEvent = true; |
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return true; |
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} |
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} |
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} |
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return true; |
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} |
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|
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class RepeatingTimer extends Timer { |
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private Updateable updateable; |
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private int interval = 1500; |
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400 |
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private boolean running = true; |
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402 |
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RepeatingTimer(Updateable _updateable, int _interval) { |
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updateable = _updateable; |
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interval = _interval; |
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} |
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407 |
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@Override |
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409 |
public void run() { |
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410 |
updateable.update(); |
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411 |
} |
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412 |
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413 |
public void start() { |
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414 |
running = true; |
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415 |
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416 |
scheduleRepeating(interval); |
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417 |
} |
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418 |
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419 |
public void finish() { |
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420 |
running = false; |
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421 |
cancel(); |
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422 |
} |
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423 |
|
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424 |
public int getInterval() { |
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425 |
return interval; |
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426 |
} |
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427 |
|
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428 |
public void setInterval(int anInterval) { |
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429 |
if (interval != anInterval) { |
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430 |
interval = anInterval; |
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431 |
if (running) { |
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432 |
finish(); |
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433 |
start(); |
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434 |
} |
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435 |
} |
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436 |
} |
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437 |
} |
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438 |
|
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@Override |
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440 |
public void update() { |
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441 |
String apath = folder.getUri(); |
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442 |
if (!apath.endsWith("/")) |
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443 |
apath = apath + "/"; |
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444 |
apath = apath + encodeComponent(fileNameToUse) + "?progress=" + encodeComponent(fileNameToUse); |
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445 |
GetCommand eg = new GetCommand<UploadStatusResource>(UploadStatusResource.class, apath, false, null) { |
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446 |
|
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447 |
@Override |
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448 |
public void onComplete() { |
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449 |
UploadStatusResource res = getResult(); |
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450 |
progressBar.setProgress(res.percent()); |
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451 |
} |
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452 |
|
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@Override |
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454 |
public void onError(Throwable t) { |
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455 |
GWT.log("", t); |
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456 |
} |
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457 |
|
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458 |
}; |
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459 |
DeferredCommand.addCommand(eg); |
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460 |
} |
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461 |
|
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462 |
protected String getBackupFilename(String filename) { |
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463 |
List<FileResource> filesInSameFolder = new ArrayList<FileResource>(); |
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464 |
for (FileResource deleted : folder.getFiles()) |
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465 |
if (deleted.isDeleted()) |
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466 |
filesInSameFolder.add(deleted); |
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467 |
int i = 1; |
|
468 |
for (FileResource same : filesInSameFolder) |
|
469 |
if (same.getName().startsWith(filename)) { |
|
470 |
String toCheck = same.getName().substring(filename.length(), same.getName().length()); |
|
471 |
if (toCheck.startsWith(" ")) { |
|
472 |
int test = -1; |
|
473 |
try { |
|
474 |
test = Integer.valueOf(toCheck.replace(" ", "")); |
|
475 |
} catch (NumberFormatException e) { |
|
476 |
// Do nothing since string is not a number. |
|
477 |
} |
|
478 |
if (test >= i) |
|
479 |
i = test + 1; |
|
480 |
} |
|
481 |
} |
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482 |
|
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483 |
return filename + " " + i; |
|
484 |
} |
|
485 |
|
|
486 |
/** |
|
487 |
* Rename the conflicting trashed file with the supplied new name. |
|
488 |
*/ |
|
489 |
private void updateTrashedFile(String newName, FileResource trashedFile) { |
|
490 |
JSONObject json = new JSONObject(); |
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491 |
json.put("name", new JSONString(newName)); |
|
492 |
PostCommand cf = new PostCommand(trashedFile.getUri() + "?update=", json.toString(), 200) { |
|
493 |
|
|
494 |
@Override |
|
495 |
public void onComplete() { |
|
496 |
form.submit(); |
|
497 |
} |
|
498 |
|
|
499 |
@Override |
|
500 |
public void onError(Throwable t) { |
|
501 |
GSS app = GSS.get(); |
|
502 |
GWT.log("", t); |
|
503 |
if (t instanceof RestException) { |
|
504 |
int statusCode = ((RestException) t).getHttpStatusCode(); |
|
505 |
if (statusCode == 405) |
|
506 |
app.displayError("You don't have the necessary permissions"); |
|
507 |
else if (statusCode == 404) |
|
508 |
app.displayError("User in permissions does not exist"); |
|
509 |
else if (statusCode == 409) |
|
510 |
app.displayError("A file with the same name already exists"); |
|
511 |
else if (statusCode == 413) |
|
512 |
app.displayError("Your quota has been exceeded"); |
|
513 |
else |
|
514 |
app.displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText()); |
|
515 |
} else |
|
516 |
app.displayError("System error modifying file:" + t.getMessage()); |
|
517 |
} |
|
518 |
|
|
519 |
}; |
|
520 |
DeferredCommand.addCommand(cf); |
|
521 |
} |
|
522 |
|
|
523 |
protected FileResource getFileForName(String name){ |
|
524 |
for (FileResource f : folder.getFiles()) |
|
525 |
if (!f.isDeleted() && f.getName().equals(name)) |
|
311 |
protected File getFileForName(String name){ |
|
312 |
for (File f : folder.getFiles()) |
|
313 |
if (!f.isInTrash() && f.getName().equals(name)) |
|
526 | 314 |
return f; |
527 | 315 |
return null; |
528 | 316 |
} |
529 | 317 |
|
318 |
public void setApp(GSS app) { |
|
319 |
this.app = app; |
|
320 |
} |
|
530 | 321 |
|
531 |
/** |
|
532 |
* Same as URL.encodeComponent, but also |
|
533 |
* encode apostrophe since browsers aren't consistent about it |
|
534 |
* (FF encodes, IE does not). |
|
535 |
*/ |
|
536 |
private String encodeComponent(String decodedURLComponent) { |
|
537 |
String retv = URL.encodeComponent(decodedURLComponent); |
|
538 |
retv = retv.replaceAll("'", "%27"); |
|
539 |
return retv; |
|
540 |
} |
|
541 |
|
|
542 |
/** |
|
543 |
* Modify the files. |
|
544 |
* |
|
545 |
* @param newFiles the files to set |
|
546 |
*/ |
|
547 |
public void setFiles(List<FileResource> newFiles) { |
|
548 |
files = newFiles; |
|
549 |
} |
|
322 |
public void setFolder(Folder folder) { |
|
323 |
this.folder = folder; |
|
324 |
foldernameLabel.setText(folder.getName()); |
|
325 |
} |
|
550 | 326 |
} |
Also available in: Unified diff