-/*\r
- * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.\r
- *\r
- * This file is part of GSS.\r
- *\r
- * GSS is free software: you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation, either version 3 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * GSS is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with GSS. If not, see <http://www.gnu.org/licenses/>.\r
- */\r
-package gr.ebs.gss.client;\r
-\r
-import gr.ebs.gss.client.rest.GetCommand;\r
-import gr.ebs.gss.client.rest.PostCommand;\r
-import gr.ebs.gss.client.rest.RestCommand;\r
-import gr.ebs.gss.client.rest.RestException;\r
-import gr.ebs.gss.client.rest.resource.FileResource;\r
-import gr.ebs.gss.client.rest.resource.FolderResource;\r
-import gr.ebs.gss.client.rest.resource.UploadStatusResource;\r
-\r
-import java.util.ArrayList;\r
-import java.util.List;\r
-\r
-import com.google.gwt.core.client.GWT;\r
-import com.google.gwt.dom.client.NativeEvent;\r
-import com.google.gwt.event.dom.client.ClickEvent;\r
-import com.google.gwt.event.dom.client.ClickHandler;\r
-import com.google.gwt.event.dom.client.KeyCodes;\r
-import com.google.gwt.http.client.URL;\r
-import com.google.gwt.json.client.JSONObject;\r
-import com.google.gwt.json.client.JSONString;\r
-import com.google.gwt.user.client.DeferredCommand;\r
-import com.google.gwt.user.client.Timer;\r
-import com.google.gwt.user.client.Event.NativePreviewEvent;\r
-import com.google.gwt.user.client.ui.Button;\r
-import com.google.gwt.user.client.ui.DialogBox;\r
-import com.google.gwt.user.client.ui.FileUpload;\r
-import com.google.gwt.user.client.ui.FormPanel;\r
-import com.google.gwt.user.client.ui.Grid;\r
-import com.google.gwt.user.client.ui.HTML;\r
-import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
-import com.google.gwt.user.client.ui.Hidden;\r
-import com.google.gwt.user.client.ui.HorizontalPanel;\r
-import com.google.gwt.user.client.ui.Label;\r
-import com.google.gwt.user.client.ui.VerticalPanel;\r
-import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;\r
-import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;\r
-import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;\r
-import com.google.gwt.user.client.ui.FormPanel.SubmitHandler;\r
-\r
-/**\r
- * The 'File upload' dialog box implementation.\r
- */\r
-public class FileUploadDialog extends DialogBox implements Updateable {\r
-\r
- protected int prgBarInterval = 1500;\r
-\r
- private ProgressBar progressBar;\r
-\r
- protected RepeatingTimer repeater = new RepeatingTimer(this, prgBarInterval);\r
-\r
- public static final boolean DONE = true;\r
-\r
- /**\r
- * The Form element that performs the file upload.\r
- */\r
- private final FormPanel form = new FormPanel();\r
-\r
- private final FileUpload upload = new FileUpload();\r
-\r
- protected final Label filenameLabel = new Label("");\r
-\r
- protected List<FileResource> files;\r
-\r
- protected boolean cancelEvent = false;\r
-\r
- protected String fileNameToUse;\r
-\r
- protected FolderResource folder;\r
-\r
- /**\r
- * The widget's constructor.\r
- */\r
- public FileUploadDialog() {\r
- // Set the dialog's caption.\r
- setText("File upload");\r
- setAnimationEnabled(true);\r
- // Since we're going to add a FileUpload widget, we'll need to set the\r
- // form to use the POST method, and multipart MIME encoding.\r
- form.setEncoding(FormPanel.ENCODING_MULTIPART);\r
- form.setMethod(FormPanel.METHOD_POST);\r
-\r
- // Create a panel to hold all of the form widgets.\r
- VerticalPanel panel = new VerticalPanel();\r
- form.setWidget(panel);\r
- final HTML info = new HTML("You may select a file to upload. Install" +\r
- " <a href='http://gears.google.com/' target='_blank'>Google " +\r
- "Gears</a><br> for uploading multiple files simultaneously.");\r
- info.addStyleName("gss-uploadNote");\r
- panel.add(info);\r
- final Hidden date = new Hidden("Date", "");\r
- panel.add(date);\r
- final Hidden auth = new Hidden("Authorization", "");\r
- panel.add(auth);\r
- // Add an informative label with the folder name.\r
- Object selection = GSS.get().getFolders().getCurrent().getUserObject();\r
- folder = (FolderResource) selection;\r
- upload.setName("file");\r
- filenameLabel.setText("");\r
- filenameLabel.setVisible(false);\r
- filenameLabel.setStyleName("props-labels");\r
- HorizontalPanel fileUloadPanel = new HorizontalPanel();\r
- fileUloadPanel.add(filenameLabel);\r
- fileUloadPanel.add(upload);\r
- Grid generalTable = new Grid(2, 2);\r
- generalTable.setText(0, 0, "Folder");\r
- generalTable.setText(1, 0, "File");\r
- generalTable.setText(0, 1, folder.getName());\r
- generalTable.setWidget(1, 1, fileUloadPanel);\r
- generalTable.getCellFormatter().setStyleName(0, 0, "props-labels");\r
- generalTable.getCellFormatter().setStyleName(1, 0, "props-labels");\r
- generalTable.getCellFormatter().setStyleName(0, 1, "props-values");\r
- generalTable.getCellFormatter().setStyleName(1, 1, "props-values");\r
- generalTable.setCellSpacing(4);\r
-\r
- panel.add(generalTable);\r
-\r
- // Create a panel to hold the buttons.\r
- HorizontalPanel buttons = new HorizontalPanel();\r
-\r
- // Create the 'upload' button, along with a listener that submits the\r
- // form.\r
- final Button submit = new Button("Upload", new ClickHandler() {\r
- @Override\r
- public void onClick(ClickEvent event) {\r
- prepareAndSubmit();\r
- }\r
- });\r
- buttons.add(submit);\r
- buttons.setCellHorizontalAlignment(submit, HasHorizontalAlignment.ALIGN_CENTER);\r
- // Create the 'Cancel' button, along with a listener that hides the\r
- // dialog when the button is clicked.\r
- final Button cancel = new Button("Cancel", new ClickHandler() {\r
- @Override\r
- public void onClick(ClickEvent event) {\r
- repeater.finish();\r
- hide();\r
- }\r
- });\r
- buttons.add(cancel);\r
- buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
- buttons.setSpacing(8);\r
- buttons.addStyleName("gss-DialogBox");\r
-\r
- // Add an event handler to the form.\r
- form.addSubmitHandler(new SubmitHandler() {\r
-\r
- @Override\r
- public void onSubmit(SubmitEvent event) {\r
- GSS app = GSS.get();\r
- // This event is fired just before the form is submitted. We can\r
- // take this opportunity to perform validation.\r
- if (upload.getFilename().length() == 0) {\r
- app.displayError("You must select a file!");\r
- event.cancel();\r
- hide();\r
- } else {\r
-\r
- canContinue();\r
- GWT.log("Cancel:" + cancelEvent, null);\r
- if (cancelEvent) {\r
- cancelEvent = false;\r
- app.displayError("The specified file name already exists in this folder");\r
- event.cancel();\r
- hide();\r
- } else {\r
-\r
- fileNameToUse = getFilename(upload.getFilename());\r
- String apath;\r
- FileResource selectedFile = getFileForName(fileNameToUse);\r
- if (selectedFile == null ) {\r
- //we are going to create a file\r
- apath = folder.getUri();\r
- if (!apath.endsWith("/"))\r
- apath = apath + "/";\r
- apath = apath + encodeComponent(fileNameToUse);\r
- } else\r
- apath = selectedFile.getUri();\r
- form.setAction(apath);\r
- String dateString = RestCommand.getDate();\r
- String resource = apath.substring(app.getApiPath().length() - 1, apath.length());\r
- String sig = RestCommand.calculateSig("POST", dateString, resource, RestCommand.base64decode(app.getToken()));\r
- date.setValue(dateString);\r
- auth.setValue(app.getCurrentUserResource().getUsername() + " " + sig);\r
- GWT.log("FolderPATH:" + folder.getUri(), null);\r
- submit.setEnabled(false);\r
- upload.setVisible(false);\r
- filenameLabel.setText(fileNameToUse);\r
- filenameLabel.setVisible(true);\r
- repeater.start();\r
- progressBar.setVisible(true);\r
- }\r
- }\r
-\r
- }\r
- });\r
- form.addSubmitCompleteHandler(new SubmitCompleteHandler() {\r
-\r
- @Override\r
- public void onSubmitComplete(SubmitCompleteEvent event) {\r
- // When the form submission is successfully completed, this\r
- // event is fired. Assuming the service returned a response\r
- // of type text/html, we can get the result text here (see\r
- // the FormPanel documentation for further explanation).\r
- String results = event.getResults();\r
-\r
- // Unfortunately the results are never empty, even in\r
- // the absense of errors, so we have to check for '<pre></pre>'.\r
- if (!results.equalsIgnoreCase("<pre></pre>")) {\r
- GWT.log(results, null);\r
- GSS.get().displayError(results);\r
- }\r
- progressBar.setProgress(100);\r
- cancelUpload();\r
- GSS.get().showFileList(true);\r
- GSS.get().getStatusPanel().updateStats();\r
-\r
- }\r
- });\r
-\r
-\r
- panel.add(buttons);\r
- progressBar = new ProgressBar(50, ProgressBar.SHOW_TIME_REMAINING);\r
- panel.add(progressBar);\r
- progressBar.setVisible(false);\r
- panel.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
- panel.setCellHorizontalAlignment(progressBar, HasHorizontalAlignment.ALIGN_CENTER);\r
- panel.addStyleName("gss-DialogBox");\r
- addStyleName("gss-DialogBox");\r
- setWidget(form);\r
- }\r
-\r
- @Override\r
- protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
- super.onPreviewNativeEvent(preview);\r
-\r
- NativeEvent evt = preview.getNativeEvent();\r
- if (evt.getType().equals("keydown"))\r
- // Use the popup's key preview hooks to close the dialog when either\r
- // enter or escape is pressed.\r
- switch (evt.getKeyCode()) {\r
- case KeyCodes.KEY_ENTER:\r
- prepareAndSubmit();\r
- break;\r
- case KeyCodes.KEY_ESCAPE:\r
- cancelUpload();\r
- break;\r
- }\r
- }\r
-\r
-\r
-\r
- /**\r
- * Cancels the file upload.\r
- */\r
- private void cancelUpload() {\r
- repeater.finish();\r
- hide();\r
- }\r
-\r
- /**\r
- * Make any last minute checks and start the upload.\r
- */\r
- public void prepareAndSubmit() {\r
- final String fname = getFilename(upload.getFilename());\r
- if (getFileForName(fname) == null) {\r
- //we are going to create a file, so we check to see if there is a trashed file with the same name\r
- FileResource same = null;\r
- for (FileResource fres : folder.getFiles())\r
- if (fres.isDeleted() && fres.getName().equals(fname))\r
- same = fres;\r
- if (same == null)\r
- form.submit();\r
- else {\r
- final FileResource sameFile = same;\r
- GWT.log("Same deleted file", null);\r
- ConfirmationDialog confirm = new ConfirmationDialog("A file with " +\r
- "the same name exists in the trash. If you continue,<br/>the trashed " +\r
- "file '" + fname + "' will be renamed automatically for you.", "Continue") {\r
-\r
- @Override\r
- public void cancel() {\r
- FileUploadDialog.this.hide();\r
- }\r
-\r
- @Override\r
- public void confirm() {\r
- updateTrashedFile(getBackupFilename(fname), sameFile);\r
- }\r
-\r
- };\r
- confirm.center();\r
- }\r
- }\r
- else {\r
- // We are going to update an existing file, so show a confirmation dialog.\r
- ConfirmationDialog confirm = new ConfirmationDialog("Are you sure " +\r
- "you want to update " + fname + "?", "Update") {\r
-\r
- @Override\r
- public void cancel() {\r
- FileUploadDialog.this.hide();\r
- }\r
-\r
- @Override\r
- public void confirm() {\r
- form.submit();\r
- }\r
-\r
- };\r
- confirm.center();\r
- }\r
- }\r
-\r
- /**\r
- * Returns the file name from a potential full path argument. Apparently IE\r
- * insists on sending the full path name of a file when uploading, forcing\r
- * us to trim the extra path info. Since this is only observed on Windows we\r
- * get to check for a single path separator value.\r
- *\r
- * @param name the potentially full path name of a file\r
- * @return the file name without extra path information\r
- */\r
- protected String getFilename(String name) {\r
- int pathSepIndex = name.lastIndexOf("\\");\r
- if (pathSepIndex == -1) {\r
- pathSepIndex = name.lastIndexOf("/");\r
- if (pathSepIndex == -1)\r
- return name;\r
- }\r
- return name.substring(pathSepIndex + 1);\r
- }\r
-\r
- /**\r
- * Check whether the file name exists in selected folder.\r
- *\r
- * @return\r
- */\r
- private boolean canContinue() {\r
- if (files == null)\r
- return false;\r
- String fileName = getFilename(upload.getFilename());\r
- if (getFileForName(fileName) == null) {\r
- // For file creation, check to see if the file already exists.\r
- GWT.log("filename to upload:" + fileName, null);\r
- for (FileResource dto : files) {\r
- GWT.log("Check:" + dto.getName() + "/" + fileName, null);\r
- if (!dto.isDeleted() && dto.getName().equals(fileName)) {\r
- cancelEvent = true;\r
- return true;\r
- }\r
- }\r
- }\r
- return true;\r
- }\r
-\r
- class RepeatingTimer extends Timer {\r
-\r
- private Updateable updateable;\r
-\r
- private int interval = 1500;\r
-\r
- private boolean running = true;\r
-\r
- RepeatingTimer(Updateable _updateable, int _interval) {\r
- updateable = _updateable;\r
- interval = _interval;\r
- }\r
-\r
- @Override\r
- public void run() {\r
- updateable.update();\r
- }\r
-\r
- public void start() {\r
- running = true;\r
-\r
- scheduleRepeating(interval);\r
- }\r
-\r
- public void finish() {\r
- running = false;\r
- cancel();\r
- }\r
-\r
- public int getInterval() {\r
- return interval;\r
- }\r
-\r
- public void setInterval(int anInterval) {\r
- if (interval != anInterval) {\r
- interval = anInterval;\r
- if (running) {\r
- finish();\r
- start();\r
- }\r
- }\r
- }\r
- }\r
-\r
- /* (non-Javadoc)\r
- * @see gr.ebs.gss.client.Updateable#update()\r
- */\r
- public void update() {\r
- String apath = folder.getUri();\r
- if (!apath.endsWith("/"))\r
- apath = apath + "/";\r
- apath = apath + encodeComponent(fileNameToUse) + "?progress=" + encodeComponent(fileNameToUse);\r
- GetCommand eg = new GetCommand<UploadStatusResource>(UploadStatusResource.class, apath, false) {\r
-\r
- @Override\r
- public void onComplete() {\r
- UploadStatusResource res = getResult();\r
- progressBar.setProgress(res.percent());\r
- }\r
-\r
- @Override\r
- public void onError(Throwable t) {\r
- GWT.log("", t);\r
- }\r
-\r
- };\r
- DeferredCommand.addCommand(eg);\r
- }\r
-\r
- protected String getBackupFilename(String filename) {\r
- List<FileResource> filesInSameFolder = new ArrayList<FileResource>();\r
- for (FileResource deleted : folder.getFiles())\r
- if (deleted.isDeleted())\r
- filesInSameFolder.add(deleted);\r
- int i = 1;\r
- for (FileResource same : filesInSameFolder)\r
- if (same.getName().startsWith(filename)) {\r
- String toCheck = same.getName().substring(filename.length(), same.getName().length());\r
- if (toCheck.startsWith(" ")) {\r
- int test = -1;\r
- try {\r
- test = Integer.valueOf(toCheck.replace(" ", ""));\r
- } catch (NumberFormatException e) {\r
- // Do nothing since string is not a number.\r
- }\r
- if (test >= i)\r
- i = test + 1;\r
- }\r
- }\r
-\r
- return filename + " " + i;\r
- }\r
-\r
- /**\r
- * Rename the conflicting trashed file with the supplied new name.\r
- */\r
- private void updateTrashedFile(String newName, FileResource trashedFile) {\r
- JSONObject json = new JSONObject();\r
- json.put("name", new JSONString(newName));\r
- PostCommand cf = new PostCommand(trashedFile.getUri() + "?update=", json.toString(), 200) {\r
-\r
- @Override\r
- public void onComplete() {\r
- form.submit();\r
- }\r
-\r
- @Override\r
- public void onError(Throwable t) {\r
- GSS app = GSS.get();\r
- GWT.log("", t);\r
- if (t instanceof RestException) {\r
- int statusCode = ((RestException) t).getHttpStatusCode();\r
- if (statusCode == 405)\r
- app.displayError("You don't have the necessary permissions");\r
- else if (statusCode == 404)\r
- app.displayError("User in permissions does not exist");\r
- else if (statusCode == 409)\r
- app.displayError("A file with the same name already exists");\r
- else if (statusCode == 413)\r
- app.displayError("Your quota has been exceeded");\r
- else\r
- app.displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText());\r
- } else\r
- app.displayError("System error modifying file:" + t.getMessage());\r
- }\r
-\r
- };\r
- DeferredCommand.addCommand(cf);\r
- }\r
-\r
- protected FileResource getFileForName(String name){\r
- for (FileResource f : folder.getFiles())\r
- if (!f.isDeleted() && f.getName().equals(name))\r
- return f;\r
- return null;\r
- }\r
-\r
-\r
- /**\r
- * Same as URL.encodeComponent, but also\r
- * encode apostrophe since browsers aren't consistent about it\r
- * (FF encodes, IE does not).\r
- */\r
- private String encodeComponent(String decodedURLComponent) {\r
- String retv = URL.encodeComponent(decodedURLComponent);\r
- retv = retv.replaceAll("'", "%27");\r
- return retv;\r
- }\r
-\r
- /**\r
- * Modify the files.\r
- *\r
- * @param newFiles the files to set\r
- */\r
- public void setFiles(List<FileResource> newFiles) {\r
- files = newFiles;\r
- }\r
-}\r
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+package gr.ebs.gss.client;
+
+import gr.ebs.gss.client.rest.GetCommand;
+import gr.ebs.gss.client.rest.PostCommand;
+import gr.ebs.gss.client.rest.RestCommand;
+import gr.ebs.gss.client.rest.RestException;
+import gr.ebs.gss.client.rest.resource.FileResource;
+import gr.ebs.gss.client.rest.resource.FolderResource;
+import gr.ebs.gss.client.rest.resource.UploadStatusResource;
+
+import java.util.ArrayList;
+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.event.dom.client.KeyCodes;
+import com.google.gwt.http.client.URL;
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONString;
+import com.google.gwt.user.client.DeferredCommand;
+import com.google.gwt.user.client.Event.NativePreviewEvent;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.DialogBox;
+import com.google.gwt.user.client.ui.FileUpload;
+import com.google.gwt.user.client.ui.FormPanel;
+import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
+import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;
+import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;
+import com.google.gwt.user.client.ui.FormPanel.SubmitHandler;
+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.Hidden;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.VerticalPanel;
+
+/**
+ * The 'File upload' dialog box implementation.
+ */
+public class FileUploadDialog extends DialogBox implements Updateable {
+
+ protected int prgBarInterval = 1500;
+
+ private ProgressBar progressBar;
+
+ protected RepeatingTimer repeater = new RepeatingTimer(this, prgBarInterval);
+
+ public static final boolean DONE = true;
+
+ /**
+ * The Form element that performs the file upload.
+ */
+ private final FormPanel form = new FormPanel();
+
+ private final FileUpload upload = new FileUpload();
+
+ protected final Label filenameLabel = new Label("");
+
+ protected List<FileResource> files;
+
+ protected boolean cancelEvent = false;
+
+ protected String fileNameToUse;
+
+ protected FolderResource folder;
+
+ /**
+ * The widget's constructor.
+ */
+ public FileUploadDialog() {
+ // Set the dialog's caption.
+ setText("File upload");
+ setAnimationEnabled(true);
+ // Since we're going to add a FileUpload widget, we'll need to set the
+ // form to use the POST method, and multipart MIME encoding.
+ form.setEncoding(FormPanel.ENCODING_MULTIPART);
+ form.setMethod(FormPanel.METHOD_POST);
+
+ // Create a panel to hold all of the form widgets.
+ VerticalPanel panel = new VerticalPanel();
+ form.setWidget(panel);
+ final HTML info = new HTML("You may select a file to upload. Install" +
+ " <a href='http://gears.google.com/' target='_blank'>Google " +
+ "Gears</a><br> for uploading multiple files simultaneously.");
+ info.addStyleName("gss-uploadNote");
+ panel.add(info);
+ final Hidden date = new Hidden("Date", "");
+ panel.add(date);
+ final Hidden auth = new Hidden("Authorization", "");
+ panel.add(auth);
+ // Add an informative label with the folder name.
+ Object selection = GSS.get().getFolders().getCurrent().getUserObject();
+ folder = (FolderResource) selection;
+ upload.setName("file");
+ filenameLabel.setText("");
+ filenameLabel.setVisible(false);
+ filenameLabel.setStyleName("props-labels");
+ HorizontalPanel fileUloadPanel = new HorizontalPanel();
+ fileUloadPanel.add(filenameLabel);
+ fileUloadPanel.add(upload);
+ Grid generalTable = new Grid(2, 2);
+ generalTable.setText(0, 0, "Folder");
+ generalTable.setText(1, 0, "File");
+ generalTable.setText(0, 1, folder.getName());
+ generalTable.setWidget(1, 1, fileUloadPanel);
+ generalTable.getCellFormatter().setStyleName(0, 0, "props-labels");
+ generalTable.getCellFormatter().setStyleName(1, 0, "props-labels");
+ generalTable.getCellFormatter().setStyleName(0, 1, "props-values");
+ generalTable.getCellFormatter().setStyleName(1, 1, "props-values");
+ generalTable.setCellSpacing(4);
+
+ panel.add(generalTable);
+
+ // Create a panel to hold the buttons.
+ HorizontalPanel buttons = new HorizontalPanel();
+
+ // Create the 'upload' button, along with a listener that submits the
+ // form.
+ final Button submit = new Button("Upload", new ClickHandler() {
+ @Override
+ public void onClick(ClickEvent event) {
+ prepareAndSubmit();
+ }
+ });
+ buttons.add(submit);
+ buttons.setCellHorizontalAlignment(submit, HasHorizontalAlignment.ALIGN_CENTER);
+ // Create the 'Cancel' button, along with a listener that hides the
+ // dialog when the button is clicked.
+ final Button cancel = new Button("Cancel", new ClickHandler() {
+ @Override
+ public void onClick(ClickEvent event) {
+ repeater.finish();
+ hide();
+ }
+ });
+ buttons.add(cancel);
+ buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
+ buttons.setSpacing(8);
+ buttons.addStyleName("gss-DialogBox");
+
+ // Add an event handler to the form.
+ form.addSubmitHandler(new SubmitHandler() {
+
+ @Override
+ public void onSubmit(SubmitEvent event) {
+ GSS app = GSS.get();
+ // This event is fired just before the form is submitted. We can
+ // take this opportunity to perform validation.
+ if (upload.getFilename().length() == 0) {
+ app.displayError("You must select a file!");
+ event.cancel();
+ hide();
+ } else {
+
+ canContinue();
+ GWT.log("Cancel:" + cancelEvent, null);
+ if (cancelEvent) {
+ cancelEvent = false;
+ app.displayError("The specified file name already exists in this folder");
+ event.cancel();
+ hide();
+ } else {
+
+ fileNameToUse = getFilename(upload.getFilename());
+ String apath;
+ FileResource selectedFile = getFileForName(fileNameToUse);
+ if (selectedFile == null ) {
+ //we are going to create a file
+ apath = folder.getUri();
+ if (!apath.endsWith("/"))
+ apath = apath + "/";
+ apath = apath + encodeComponent(fileNameToUse);
+ } else
+ apath = selectedFile.getUri();
+ form.setAction(apath);
+ String dateString = RestCommand.getDate();
+ String resource = apath.substring(app.getApiPath().length() - 1, apath.length());
+ String sig = RestCommand.calculateSig("POST", dateString, resource, RestCommand.base64decode(app.getToken()));
+ date.setValue(dateString);
+ auth.setValue(app.getCurrentUserResource().getUsername() + " " + sig);
+ GWT.log("FolderPATH:" + folder.getUri(), null);
+ submit.setEnabled(false);
+ upload.setVisible(false);
+ filenameLabel.setText(fileNameToUse);
+ filenameLabel.setVisible(true);
+ repeater.start();
+ progressBar.setVisible(true);
+ }
+ }
+
+ }
+ });
+ form.addSubmitCompleteHandler(new SubmitCompleteHandler() {
+
+ @Override
+ public void onSubmitComplete(SubmitCompleteEvent event) {
+ // When the form submission is successfully completed, this
+ // event is fired. Assuming the service returned a response
+ // of type text/html, we can get the result text here (see
+ // the FormPanel documentation for further explanation).
+ String results = event.getResults();
+
+ // Unfortunately the results are never empty, even in
+ // the absense of errors, so we have to check for '<pre></pre>'.
+ if (!results.equalsIgnoreCase("<pre></pre>")) {
+ GWT.log(results, null);
+ GSS.get().displayError(results);
+ }
+ progressBar.setProgress(100);
+ cancelUpload();
+ GSS.get().showFileList(true);
+ GSS.get().getStatusPanel().updateStats();
+
+ }
+ });
+
+
+ panel.add(buttons);
+ progressBar = new ProgressBar(50, ProgressBar.SHOW_TIME_REMAINING);
+ panel.add(progressBar);
+ progressBar.setVisible(false);
+ panel.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
+ panel.setCellHorizontalAlignment(progressBar, HasHorizontalAlignment.ALIGN_CENTER);
+ panel.addStyleName("gss-DialogBox");
+ addStyleName("gss-DialogBox");
+ setWidget(form);
+ }
+
+ @Override
+ protected void onPreviewNativeEvent(NativePreviewEvent preview) {
+ super.onPreviewNativeEvent(preview);
+
+ NativeEvent evt = preview.getNativeEvent();
+ if (evt.getType().equals("keydown"))
+ // Use the popup's key preview hooks to close the dialog when either
+ // enter or escape is pressed.
+ switch (evt.getKeyCode()) {
+ case KeyCodes.KEY_ENTER:
+ prepareAndSubmit();
+ break;
+ case KeyCodes.KEY_ESCAPE:
+ cancelUpload();
+ break;
+ }
+ }
+
+
+
+ /**
+ * Cancels the file upload.
+ */
+ private void cancelUpload() {
+ repeater.finish();
+ hide();
+ }
+
+ /**
+ * Make any last minute checks and start the upload.
+ */
+ public void prepareAndSubmit() {
+ final String fname = getFilename(upload.getFilename());
+ if (getFileForName(fname) == null) {
+ //we are going to create a file, so we check to see if there is a trashed file with the same name
+ FileResource same = null;
+ for (FileResource fres : folder.getFiles())
+ if (fres.isDeleted() && fres.getName().equals(fname))
+ same = fres;
+ if (same == null)
+ form.submit();
+ else {
+ final FileResource sameFile = same;
+ GWT.log("Same deleted file", null);
+ ConfirmationDialog confirm = new ConfirmationDialog("A file with " +
+ "the same name exists in the trash. If you continue,<br/>the trashed " +
+ "file '" + fname + "' will be renamed automatically for you.", "Continue") {
+
+ @Override
+ public void cancel() {
+ FileUploadDialog.this.hide();
+ }
+
+ @Override
+ public void confirm() {
+ updateTrashedFile(getBackupFilename(fname), sameFile);
+ }
+
+ };
+ confirm.center();
+ }
+ }
+ else {
+ // We are going to update an existing file, so show a confirmation dialog.
+ ConfirmationDialog confirm = new ConfirmationDialog("Are you sure " +
+ "you want to update " + fname + "?", "Update") {
+
+ @Override
+ public void cancel() {
+ FileUploadDialog.this.hide();
+ }
+
+ @Override
+ public void confirm() {
+ form.submit();
+ }
+
+ };
+ confirm.center();
+ }
+ }
+
+ /**
+ * Returns the file name from a potential full path argument. Apparently IE
+ * insists on sending the full path name of a file when uploading, forcing
+ * us to trim the extra path info. Since this is only observed on Windows we
+ * get to check for a single path separator value.
+ *
+ * @param name the potentially full path name of a file
+ * @return the file name without extra path information
+ */
+ protected String getFilename(String name) {
+ int pathSepIndex = name.lastIndexOf("\\");
+ if (pathSepIndex == -1) {
+ pathSepIndex = name.lastIndexOf("/");
+ if (pathSepIndex == -1)
+ return name;
+ }
+ return name.substring(pathSepIndex + 1);
+ }
+
+ /**
+ * Check whether the file name exists in selected folder.
+ *
+ * @return
+ */
+ private boolean canContinue() {
+ if (files == null)
+ return false;
+ String fileName = getFilename(upload.getFilename());
+ if (getFileForName(fileName) == null) {
+ // For file creation, check to see if the file already exists.
+ GWT.log("filename to upload:" + fileName, null);
+ for (FileResource dto : files) {
+ GWT.log("Check:" + dto.getName() + "/" + fileName, null);
+ if (!dto.isDeleted() && dto.getName().equals(fileName)) {
+ cancelEvent = true;
+ return true;
+ }
+ }
+ }
+ return true;
+ }
+
+ class RepeatingTimer extends Timer {
+
+ private Updateable updateable;
+
+ private int interval = 1500;
+
+ private boolean running = true;
+
+ RepeatingTimer(Updateable _updateable, int _interval) {
+ updateable = _updateable;
+ interval = _interval;
+ }
+
+ @Override
+ public void run() {
+ updateable.update();
+ }
+
+ public void start() {
+ running = true;
+
+ scheduleRepeating(interval);
+ }
+
+ public void finish() {
+ running = false;
+ cancel();
+ }
+
+ public int getInterval() {
+ return interval;
+ }
+
+ public void setInterval(int anInterval) {
+ if (interval != anInterval) {
+ interval = anInterval;
+ if (running) {
+ finish();
+ start();
+ }
+ }
+ }
+ }
+
+ @Override
+ public void update() {
+ String apath = folder.getUri();
+ if (!apath.endsWith("/"))
+ apath = apath + "/";
+ apath = apath + encodeComponent(fileNameToUse) + "?progress=" + encodeComponent(fileNameToUse);
+ GetCommand eg = new GetCommand<UploadStatusResource>(UploadStatusResource.class, apath, false, null) {
+
+ @Override
+ public void onComplete() {
+ UploadStatusResource res = getResult();
+ progressBar.setProgress(res.percent());
+ }
+
+ @Override
+ public void onError(Throwable t) {
+ GWT.log("", t);
+ }
+
+ };
+ DeferredCommand.addCommand(eg);
+ }
+
+ protected String getBackupFilename(String filename) {
+ List<FileResource> filesInSameFolder = new ArrayList<FileResource>();
+ for (FileResource deleted : folder.getFiles())
+ if (deleted.isDeleted())
+ filesInSameFolder.add(deleted);
+ int i = 1;
+ for (FileResource same : filesInSameFolder)
+ if (same.getName().startsWith(filename)) {
+ String toCheck = same.getName().substring(filename.length(), same.getName().length());
+ if (toCheck.startsWith(" ")) {
+ int test = -1;
+ try {
+ test = Integer.valueOf(toCheck.replace(" ", ""));
+ } catch (NumberFormatException e) {
+ // Do nothing since string is not a number.
+ }
+ if (test >= i)
+ i = test + 1;
+ }
+ }
+
+ return filename + " " + i;
+ }
+
+ /**
+ * Rename the conflicting trashed file with the supplied new name.
+ */
+ private void updateTrashedFile(String newName, FileResource trashedFile) {
+ JSONObject json = new JSONObject();
+ json.put("name", new JSONString(newName));
+ PostCommand cf = new PostCommand(trashedFile.getUri() + "?update=", json.toString(), 200) {
+
+ @Override
+ public void onComplete() {
+ form.submit();
+ }
+
+ @Override
+ public void onError(Throwable t) {
+ GSS app = GSS.get();
+ GWT.log("", t);
+ if (t instanceof RestException) {
+ int statusCode = ((RestException) t).getHttpStatusCode();
+ if (statusCode == 405)
+ app.displayError("You don't have the necessary permissions");
+ else if (statusCode == 404)
+ app.displayError("User in permissions does not exist");
+ else if (statusCode == 409)
+ app.displayError("A file with the same name already exists");
+ else if (statusCode == 413)
+ app.displayError("Your quota has been exceeded");
+ else
+ app.displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText());
+ } else
+ app.displayError("System error modifying file:" + t.getMessage());
+ }
+
+ };
+ DeferredCommand.addCommand(cf);
+ }
+
+ protected FileResource getFileForName(String name){
+ for (FileResource f : folder.getFiles())
+ if (!f.isDeleted() && f.getName().equals(name))
+ return f;
+ return null;
+ }
+
+
+ /**
+ * Same as URL.encodeComponent, but also
+ * encode apostrophe since browsers aren't consistent about it
+ * (FF encodes, IE does not).
+ */
+ private String encodeComponent(String decodedURLComponent) {
+ String retv = URL.encodeComponent(decodedURLComponent);
+ retv = retv.replaceAll("'", "%27");
+ return retv;
+ }
+
+ /**
+ * Modify the files.
+ *
+ * @param newFiles the files to set
+ */
+ public void setFiles(List<FileResource> newFiles) {
+ files = newFiles;
+ }
+}
projects / pithos / blobdiff