root / src / gr / grnet / pithos / web / client / FolderPermissionsDialog.java @ 87487bbf
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/*
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* Copyright 2011-2013 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 com.google.gwt.core.client.GWT; |
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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.dom.client.KeyDownEvent; |
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import com.google.gwt.http.client.Response; |
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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.*; |
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import gr.grnet.pithos.web.client.foldertree.Folder; |
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import gr.grnet.pithos.web.client.rest.PostRequest; |
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import gr.grnet.pithos.web.client.rest.PutRequest; |
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import gr.grnet.pithos.web.client.rest.RestException; |
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import java.util.Map; |
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/**
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* The 'Folder properties' dialog box implementation.
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*/
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public class FolderPermissionsDialog extends DialogBox { |
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protected Pithos app;
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/**
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* The widget that holds the folderName of the folder.
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*/
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Label folderName = new Label(); |
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protected PermissionsList permList;
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final Folder folder;
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final VerticalPanel inner;
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final Button updateButton; |
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private boolean _initialPermissionCheck = true; |
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/**
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* The widget's constructor.
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*/
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public FolderPermissionsDialog(final Pithos app, Folder selected) { |
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this.app = app;
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Anchor close = new Anchor("close"); |
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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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hide(); |
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} |
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}); |
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setGlassEnabled(true);
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setStyleName("pithos-DialogBox");
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// Enable IE selection for the dialog (must disable it upon closing it)
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Pithos.enableIESelection(); |
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folder = selected; |
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setText("Folder permissions");
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// Outer contains inner and buttons
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VerticalPanel outer = new VerticalPanel();
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outer.add(close); |
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// Inner contains generalPanel and permPanel
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inner = new VerticalPanel();
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inner.addStyleName("inner");
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folderName.setText(folder.getName()); |
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VerticalPanel permPanel = new VerticalPanel();
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FileShareDialog.PrivateSharingImages images = GWT.create(FileShareDialog.PrivateSharingImages.class); |
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permList = new PermissionsList(app, images, folder.getPermissions(), folder.getOwnerID(), false, null); |
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permPanel.add(permList); |
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HorizontalPanel permButtons = new HorizontalPanel();
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Button addUser = new Button("Add User", new ClickHandler() { |
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@Override
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public void onClick(ClickEvent event) { |
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PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true); |
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dlg.center(); |
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checkUpdateButtonVisibility(); |
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} |
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}); |
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addUser.addStyleName("button");
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permButtons.add(addUser); |
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permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER); |
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Button add = new Button("Add Group", new ClickHandler() { |
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@Override
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public void onClick(ClickEvent event) { |
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if(app.getAccount().getGroups().isEmpty()) {
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new GroupCreateDialog(app, new Command() { |
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@Override
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public void execute() { |
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if(app.getAccount().getGroups().isEmpty()) {
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return;
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} |
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PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false); |
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dlg.center(); |
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checkUpdateButtonVisibility(); |
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} |
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}).center(); |
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} |
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else {
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PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false); |
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dlg.center(); |
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checkUpdateButtonVisibility(); |
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} |
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} |
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}); |
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add.addStyleName("button");
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permButtons.add(add); |
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permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER); |
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permButtons.setSpacing(8);
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permPanel.add(permButtons); |
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inner.add(permPanel); |
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outer.add(inner); |
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// Create the 'Create/Update' button, along with a listener that hides the dialog
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// when the button is clicked and quits the application.
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final String okLabel = "Update"; |
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updateButton = new Button(okLabel, new ClickHandler() { |
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@Override
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public void onClick(ClickEvent event) { |
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updateFolder(); |
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closeDialog(); |
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} |
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}); |
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updateButton.addStyleName("button");
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checkUpdateButtonVisibility(); |
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outer.add(updateButton); |
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outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER); |
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setWidget(outer); |
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} |
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private void checkUpdateButtonVisibility() { |
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if(!this._initialPermissionCheck) { |
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updateButton.setVisible(true);
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return;
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} |
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updateButton.setVisible(permList.hasPermissions()); |
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this._initialPermissionCheck = false; |
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} |
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@Override
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protected void onPreviewNativeEvent(NativePreviewEvent preview) { |
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super.onPreviewNativeEvent(preview);
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NativeEvent evt = preview.getNativeEvent(); |
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if(evt.getType().equals(KeyDownEvent.getType().getName()))
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// Use the popup's key preview hooks to close the dialog when either
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// enter or escape is pressed.
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{ |
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switch(evt.getKeyCode()) {
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case KeyCodes.KEY_ENTER:
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updateFolder(); |
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closeDialog(); |
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break;
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case KeyCodes.KEY_ESCAPE:
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closeDialog(); |
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break;
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} |
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} |
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} |
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/**
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* Enables IE selection prevention and hides the dialog
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* (we disable the prevention on creation of the dialog)
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*/
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public void closeDialog() { |
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Pithos.preventIESelection(); |
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hide(); |
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} |
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void updateFolder() {
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final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null); |
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updateMetadata( |
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folder.getUri() + Const.QUESTION_MARK_UPDATE_EQ, |
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perms |
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); |
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} |
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protected void updateMetadata(final String path, final Map<String, Boolean[]> newPermissions) { |
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if(newPermissions != null) { |
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PostRequest updateFolder = new PostRequest(app.getApiPath(), folder.getOwnerID(), path) {
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@Override
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public void onSuccess(Resource result) { |
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app.updateFolder(folder.getParent(), false, new Command() { |
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@Override
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public void execute() { |
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app.updateMySharedRoot(); |
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} |
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}, true);
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} |
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@Override
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public void onError(Throwable t) { |
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app.setError(t); |
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if(t instanceof RestException) { |
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if(((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) { //Probably a virtual folder |
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final String path1 = folder.getUri(); |
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PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getOwnerID(), path1) {
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@Override
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public void onSuccess(Resource result) { |
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updateMetadata(path, newPermissions); |
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} |
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@Override
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public void onError(Throwable _t) { |
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app.setError(_t); |
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if(_t instanceof RestException) { |
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app.displayError("Unable to update folder: " + ((RestException) _t).getHttpStatusText());
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} |
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else {
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app.displayError("System error modifying folder: " + _t.getMessage());
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} |
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} |
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@Override
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protected void onUnauthorized(Response response) { |
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app.sessionExpired(); |
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} |
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}; |
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newFolder.setHeader("X-Auth-Token", app.getUserToken());
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newFolder.setHeader("Content-Type", "application/folder"); |
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newFolder.setHeader("Accept", "*/*"); |
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newFolder.setHeader("Content-Length", "0"); |
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Scheduler.get().scheduleDeferred(newFolder); |
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} |
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else if(((RestException) t).getHttpStatusCode() == Response.SC_CONFLICT) { |
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app.displayError("Cannot set permissions. Probably subfolders or files already have permissions set");
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} |
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else {
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app.displayError("Εrror modifying folder: " + t.getMessage());
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} |
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} |
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else {
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app.displayError("System error modifying folder: " + t.getMessage());
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} |
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} |
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@Override
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protected void onUnauthorized(Response response) { |
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app.sessionExpired(); |
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} |
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}; |
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updateFolder.setHeader("X-Auth-Token", app.getUserToken());
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String readPermHeader = "read="; |
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String writePermHeader = "write="; |
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for(String u : newPermissions.keySet()) { |
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Boolean[] p = newPermissions.get(u); |
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if(p[0] != null && p[0]) { |
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readPermHeader += u + ",";
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} |
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if(p[1] != null && p[1]) { |
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writePermHeader += u + ",";
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} |
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} |
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if(readPermHeader.endsWith("=")) { |
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readPermHeader = "";
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} |
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else if(readPermHeader.endsWith(",")) { |
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readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1); |
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} |
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if(writePermHeader.endsWith("=")) { |
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writePermHeader = "";
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} |
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else if(writePermHeader.endsWith(",")) { |
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writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1); |
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} |
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String permHeader = readPermHeader + ((readPermHeader.length() > 0 && writePermHeader.length() > 0) ? ";" : "") + writePermHeader; |
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if(permHeader.length() == 0) { |
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permHeader = "~";
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} |
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else {
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permHeader = URL.encodePathSegment(permHeader);
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} |
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updateFolder.setHeader("X-Object-Sharing", permHeader);
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Scheduler.get().scheduleDeferred(updateFolder); |
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} |
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else {
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app.updateFolder(folder.getParent(), false, new Command() { |
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@Override
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public void execute() { |
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app.updateMySharedRoot(); |
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} |
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}, true);
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} |
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} |
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} |