root / src / gr / grnet / pithos / web / client / FolderPropertiesDialog.java @ 3f8622d4
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/*
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* Copyright 2011 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.Scheduler; |
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import com.google.gwt.event.dom.client.KeyDownEvent; |
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import com.google.gwt.user.client.Command; |
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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.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 com.google.gwt.core.client.GWT; |
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import com.google.gwt.dom.client.NativeEvent; |
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import com.google.gwt.event.dom.client.ChangeEvent; |
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import com.google.gwt.event.dom.client.ChangeHandler; |
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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.http.client.Response; |
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import com.google.gwt.http.client.URL; |
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import com.google.gwt.i18n.client.DateTimeFormat; |
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import com.google.gwt.user.client.Event.NativePreviewEvent; |
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import com.google.gwt.user.client.ui.Anchor; |
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import com.google.gwt.user.client.ui.Button; |
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import com.google.gwt.user.client.ui.DecoratedTabPanel; |
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import com.google.gwt.user.client.ui.DialogBox; |
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import com.google.gwt.user.client.ui.FlexTable; |
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import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
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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.TabPanel; |
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import com.google.gwt.user.client.ui.TextBox; |
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import com.google.gwt.user.client.ui.VerticalPanel; |
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import java.util.Iterator; |
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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 FolderPropertiesDialog 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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TextBox folderName = new TextBox();
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/**
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* A flag that denotes whether the dialog will be used to create or modify a
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* folder.
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*/
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private final boolean create; |
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protected PermissionsList permList;
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final Folder folder;
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final TabPanel inner;
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/**
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* The widget's constructor.
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*/
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public FolderPropertiesDialog(final Pithos app, boolean _create, Folder selected) { |
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this.app = app;
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Anchor close = new Anchor();
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close.addStyleName("close");
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close.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) { |
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hide(); |
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} |
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}); |
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setAnimationEnabled(true);
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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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create = _create; |
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folder = selected; |
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// Use this opportunity to set the dialog's caption.
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if (create)
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setText("Create folder");
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else
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setText("Folder properties");
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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 DecoratedTabPanel();
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inner.setAnimationEnabled(true);
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inner.addStyleName("inner");
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inner.getDeckPanel().addStyleName("pithos-TabPanelBottom");
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VerticalPanel generalPanel = new VerticalPanel();
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FlexTable generalTable = new FlexTable();
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generalTable.setText(0, 0, "Name"); |
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generalTable.setText(1, 0, "Parent"); |
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generalTable.setText(2, 0, "Creator"); |
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generalTable.setText(3, 0, "Last modified"); |
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folderName.setText(create ? "" : folder.getName());
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folderName.setReadOnly(folder.isContainer() && !create); |
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generalTable.setWidget(0, 1, folderName); |
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final Label folderNameNote = new Label("Please note that slashes ('/') are not allowed in folder names.", true); |
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folderNameNote.setVisible(false);
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folderNameNote.setStylePrimaryName("gss-readForAllNote");
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generalTable.setWidget(0, 2, folderNameNote); |
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if (create)
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generalTable.setText(1, 1, folder.getName()); |
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else
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generalTable.setText(1, 1, folder.getPrefix()); |
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generalTable.setText(2, 1, ""); |
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DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
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if(folder.getLastModified() != null) |
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generalTable.setText(3, 1, formatter.format(folder.getLastModified())); |
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generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels"); |
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generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels"); |
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generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels"); |
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generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels"); |
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generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values"); |
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generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values"); |
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generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values"); |
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generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values"); |
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generalTable.setCellSpacing(4);
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generalPanel.add(generalTable); |
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inner.add(generalPanel, "General");
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VerticalPanel permPanel = new VerticalPanel();
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FilePropertiesDialog.Images images = GWT.create(FilePropertiesDialog.Images.class); |
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boolean permsReadonly = folder.getInheritedPermissionsFrom() != null || folder.existChildrenPermissions(); |
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permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner(), permsReadonly);
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permPanel.add(permList); |
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if (!permsReadonly) {
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HorizontalPanel permButtons = new HorizontalPanel();
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Button add = new Button("Add Group", new ClickHandler() { |
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@Override
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public void onClick(@SuppressWarnings("unused") ClickEvent event) { |
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PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false); |
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dlg.center(); |
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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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Button addUser = new Button("Add User", new ClickHandler() { |
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@Override
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public void onClick(@SuppressWarnings("unused") 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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} |
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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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permButtons.setSpacing(8);
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permPanel.add(permButtons); |
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} |
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if (!create)
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inner.add(permPanel, "Sharing");
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inner.selectTab(0);
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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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String okLabel;
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if (create)
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okLabel = "Create";
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else
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okLabel = "Update";
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final Button ok = new Button(okLabel, new ClickHandler() { |
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@Override
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public void onClick(@SuppressWarnings("unused") ClickEvent event) { |
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createOrUpdateFolder(); |
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closeDialog(); |
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} |
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}); |
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ok.addStyleName("button");
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outer.add(ok); |
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outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER); |
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folderName.addChangeHandler(new ChangeHandler() {
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@Override
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public void onChange(@SuppressWarnings("unused") ChangeEvent event) { |
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if(folderName.getText().contains("/")) { |
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folderNameNote.setVisible(true);
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ok.setEnabled(false);
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} |
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else {
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folderNameNote.setVisible(false);
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ok.setEnabled(true);
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} |
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} |
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}); |
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setWidget(outer); |
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} |
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@Override
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public void center() { |
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super.center();
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folderName.setFocus(true);
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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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switch (evt.getKeyCode()) {
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case KeyCodes.KEY_ENTER:
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createOrUpdateFolder(); |
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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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* 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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/**
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* Generate an RPC request to create a new folder.
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*/
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private void createFolder() { |
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String name = folderName.getText().trim();
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String path = folder.getUri() + "/" + name; |
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PutRequest createFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path) {
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@Override
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public void onSuccess(@SuppressWarnings("unused") Resource result) { |
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app.updateFolder(folder, true, new Command() { |
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@Override
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public void execute() { |
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app.updateStatistics(); |
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} |
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}); |
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} |
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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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app.setError(t); |
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if (t instanceof RestException) { |
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app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());
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} |
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else
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app.displayError("System error creating folder:" + t.getMessage());
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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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createFolder.setHeader("X-Auth-Token", app.getToken());
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createFolder.setHeader("Accept", "*/*"); |
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createFolder.setHeader("Content-Length", "0"); |
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createFolder.setHeader("Content-Type", "application/directory"); |
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Scheduler.get().scheduleDeferred(createFolder); |
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} |
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/**
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* Upon closing the dialog by clicking OK or pressing ENTER this method does
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* the actual work of modifying folder properties or creating a new Folder
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* depending on the value of the create field
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*/
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protected void createOrUpdateFolder() { |
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if (create)
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createFolder(); |
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else
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updateFolder(); |
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} |
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private void updateFolder() { |
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final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null); |
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final String newName = folderName.getText().trim(); |
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if (!folder.isContainer() && !folder.getName().equals(newName)) {
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final String path = folder.getParent().getUri() + "/" + newName; |
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PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getParent().getOwner(), path) {
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@Override
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public void onSuccess(@SuppressWarnings("unused") Resource result) { |
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Iterator<File> iter = folder.getFiles().iterator(); |
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app.copyFiles(iter, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() { |
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@Override
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public void execute() { |
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Iterator<Folder> iterf = folder.getSubfolders().iterator();
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app.copySubfolders(iterf, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() { |
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@Override
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public void execute() { |
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app.deleteFolder(folder); |
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updateMetadata(path + "?update=", perms);
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} |
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}); |
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} |
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}); |
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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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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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@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.getToken());
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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
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updateMetadata(folder.getUri() + "?update=", perms);
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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.getOwner(), path) {
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@Override
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public void onSuccess(@SuppressWarnings("unused") Resource result) { |
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app.updateFolder(folder.getParent(), false, null); |
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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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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.getOwner(), path1) {
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@Override
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public void onSuccess(@SuppressWarnings("unused") 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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GWT.log("", _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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@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.getToken());
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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("Wrror modifying folder: " + t.getMessage());
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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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@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.getToken());
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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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if (p[1] != null && p[1]) |
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writePermHeader += u + ",";
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} |
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if (readPermHeader.endsWith("=")) |
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readPermHeader = "";
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else if (readPermHeader.endsWith(",")) |
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readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1); |
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if (writePermHeader.endsWith("=")) |
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writePermHeader = "";
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else if (writePermHeader.endsWith(",")) |
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writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1); |
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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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else
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permHeader = URL.encodePathSegment(permHeader);
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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, null); |
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} |
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|
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public void selectTab(int _tab) { |
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inner.selectTab(_tab); |
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} |
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} |