2 * Copyright 2011 GRNET S.A. All rights reserved.
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4 * Redistribution and use in source and binary forms, with or
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5 * without modification, are permitted provided that the following
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6 * conditions are met:
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8 * 1. Redistributions of source code must retain the above
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9 * copyright notice, this list of conditions and the following
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12 * 2. Redistributions in binary form must reproduce the above
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13 * copyright notice, this list of conditions and the following
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14 * disclaimer in the documentation and/or other materials
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15 * provided with the distribution.
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17 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 * POSSIBILITY OF SUCH DAMAGE.
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30 * The views and conclusions contained in the software and
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31 * documentation are those of the authors and should not be
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32 * interpreted as representing official policies, either expressed
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33 * or implied, of GRNET S.A.
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35 package gr.grnet.pithos.web.client;
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37 import com.google.gwt.core.client.Scheduler;
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38 import com.google.gwt.event.dom.client.KeyDownEvent;
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39 import com.google.gwt.user.client.Event;
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40 import gr.grnet.pithos.web.client.MessagePanel.Images;
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41 import gr.grnet.pithos.web.client.foldertree.Folder;
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42 import gr.grnet.pithos.web.client.foldertree.Resource;
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43 import gr.grnet.pithos.web.client.rest.DeleteCommand;
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44 import gr.grnet.pithos.web.client.rest.DeleteRequest;
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45 import gr.grnet.pithos.web.client.rest.RestException;
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46 import gr.grnet.pithos.web.client.rest.resource.FolderResource;
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47 import gr.grnet.pithos.web.client.rest.resource.RestResource;
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48 import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper;
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49 import gr.grnet.pithos.web.client.rest.resource.TrashFolderResource;
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51 import com.google.gwt.core.client.GWT;
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52 import com.google.gwt.dom.client.NativeEvent;
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53 import com.google.gwt.event.dom.client.ClickEvent;
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54 import com.google.gwt.event.dom.client.ClickHandler;
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55 import com.google.gwt.event.dom.client.KeyCodes;
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56 import com.google.gwt.user.client.DeferredCommand;
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57 import com.google.gwt.user.client.Event.NativePreviewEvent;
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58 import com.google.gwt.user.client.ui.AbstractImagePrototype;
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59 import com.google.gwt.user.client.ui.Button;
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60 import com.google.gwt.user.client.ui.DialogBox;
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61 import com.google.gwt.user.client.ui.HTML;
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62 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
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63 import com.google.gwt.user.client.ui.HorizontalPanel;
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64 import com.google.gwt.user.client.ui.VerticalPanel;
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67 * The 'delete folder' dialog box.
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69 public class DeleteFolderDialog extends DialogBox {
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72 private Folder folder;
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75 * The widget's constructor.
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76 * @param images the supplied images
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78 public DeleteFolderDialog(GSS app, Images images, Folder folder) {
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80 this.folder = folder;
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81 // Set the dialog's caption.
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82 setText("Confirmation");
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83 setAnimationEnabled(true);
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84 // Create a VerticalPanel to contain the HTML label and the buttons.
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85 VerticalPanel outer = new VerticalPanel();
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86 HorizontalPanel buttons = new HorizontalPanel();
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88 HTML text = new HTML("<table><tr><td rowspan='2'>" + AbstractImagePrototype.create(images.warn()).getHTML() +
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89 "</td><td>" + "Are you sure you want to <b>permanently</b> delete folder '" + folder.getName() +
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90 "'?</td></tr></table>");
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91 text.setStyleName("pithos-warnMessage");
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94 // Create the 'Delete' button, along with a listener that hides the dialog
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95 // when the button is clicked and deletes the folder.
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96 Button ok = new Button("Delete", new ClickHandler() {
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98 public void onClick(ClickEvent event) {
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104 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
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105 // Create the 'Cancel' button, along with a listener that hides the
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106 // dialog when the button is clicked.
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107 Button cancel = new Button("Cancel", new ClickHandler() {
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109 public void onClick(ClickEvent event) {
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113 buttons.add(cancel);
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114 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
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115 buttons.setSpacing(8);
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116 buttons.setStyleName("pithos-warnMessage");
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117 outer.setStyleName("pithos-warnMessage");
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118 outer.add(buttons);
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119 outer.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER);
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120 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
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125 * Generate an RPC request to delete a folder.
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128 private void deleteFolder() {
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129 String prefix = folder.getPrefix();
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130 String path = app.getApiPath() + app.getUsername() + "/" + folder.getContainer() + (prefix.length() == 0 ? "" : "/" + prefix);
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131 DeleteRequest deleteFolder = new DeleteRequest(path) {
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133 public void onSuccess(Resource result) {
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134 app.updateFolder(folder.getParent());
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138 public void onError(Throwable t) {
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140 if (t instanceof RestException) {
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141 app.displayError("Unable to delete folder: "+((RestException) t).getHttpStatusText());
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144 GSS.get().displayError("System error unable to delete folder: " + t.getMessage());
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147 deleteFolder.setHeader("X-Auth-Token", app.getToken());
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148 Scheduler.get().scheduleDeferred(deleteFolder);
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152 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
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153 super.onPreviewNativeEvent(preview);
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155 NativeEvent evt = preview.getNativeEvent();
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156 if (evt.getType().equals(KeyDownEvent.getType().getName()))
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157 // Use the popup's key preview hooks to close the dialog when either
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158 // enter or escape is pressed.
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159 switch (evt.getKeyCode()) {
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160 case KeyCodes.KEY_ENTER:
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164 case KeyCodes.KEY_ESCAPE:
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