Revision dc8cc18a src/gr/grnet/pithos/web/client/grouptree/GroupTreeViewModel.java
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package gr.grnet.pithos.web.client.grouptree; |
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import gr.grnet.pithos.web.client.Pithos; |
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import gr.grnet.pithos.web.client.commands.CreateGroupCommand; |
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import gr.grnet.pithos.web.client.foldertree.File; |
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import gr.grnet.pithos.web.client.grouptree.GroupTreeView.Templates; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Map; |
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import com.google.gwt.cell.client.AbstractCell; |
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import com.google.gwt.cell.client.Cell; |
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import com.google.gwt.event.dom.client.ContextMenuEvent; |
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import com.google.gwt.view.client.SelectionChangeEvent; |
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import com.google.gwt.view.client.SingleSelectionModel; |
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import com.google.gwt.view.client.TreeViewModel; |
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import gr.grnet.pithos.web.client.Pithos; |
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import gr.grnet.pithos.web.client.commands.CreateGroupCommand; |
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import gr.grnet.pithos.web.client.foldertree.File; |
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import gr.grnet.pithos.web.client.grouptree.GroupTreeView.Templates; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Map; |
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public class GroupTreeViewModel implements TreeViewModel {
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final Group CreateGroupPlaceholder = new Group("Create new group...");
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protected Pithos app; |
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private Cell<Group> groupCell = new AbstractCell<Group>(ContextMenuEvent.getType().getName()) {
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private Cell<Group> groupCell = new AbstractCell<Group>(ContextMenuEvent.getType().getName()) {
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@Override
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public void render(Context context, Group group, SafeHtmlBuilder sb) {
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@Override
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public void render(Context context, Group value, SafeHtmlBuilder sb) {
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String html = AbstractImagePrototype.create(GroupTreeView.images.group()).getHTML(); |
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sb.appendHtmlConstant(html).appendHtmlConstant(" ");
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sb.append(Templates.INSTANCE.nameSpan(group.getName()));
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}
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sb.append(Templates.INSTANCE.nameSpan(value.getName()));
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}
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@Override |
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public void onBrowserEvent(Cell.Context context, com.google.gwt.dom.client.Element parent, Group group, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<Group> valueUpdater) {
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if(!group.equals(CreateGroupPlaceholder)) {
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GroupTreeViewModel.this.groupSelectionModel.setSelected(group, true);
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if(event.getType().equals(ContextMenuEvent.getType().getName())) {
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GroupContextMenu menu = new GroupContextMenu(app, GroupTreeView.images, group);
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menu.setPopupPosition(event.getClientX(), event.getClientY());
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menu.show();
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}
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}
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if (!group.equals(createGroup)) {
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GroupTreeViewModel.this.groupSelectionModel.setSelected(group, true);
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if (event.getType().equals(ContextMenuEvent.getType().getName())) {
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GroupContextMenu menu = new GroupContextMenu(app, GroupTreeView.images, group);
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menu.setPopupPosition(event.getClientX(), event.getClientY());
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menu.show();
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}
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}
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} |
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};
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};
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private Cell<User> userCell = new AbstractCell<User>(ContextMenuEvent.getType().getName()) {
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@Override
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public void render(Context context, User user, final SafeHtmlBuilder sb) {
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@Override
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public void render(Context context, User value, SafeHtmlBuilder sb) {
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String html = AbstractImagePrototype.create(GroupTreeView.images.user()).getHTML(); |
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sb.appendHtmlConstant(html).appendHtmlConstant(" ");
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final String userDisplayName = user.getUserDisplayName(); |
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sb.append(Templates.INSTANCE.nameSpan(userDisplayName)); |
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} |
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sb.append(Templates.INSTANCE.nameSpan(value.getName())); |
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} |
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@Override |
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public void onBrowserEvent(Cell.Context context, com.google.gwt.dom.client.Element parent, User user, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<User> valueUpdater) {
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GroupTreeViewModel.this.userSelectionModel.setSelected(user, true); |
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if(event.getType().equals(ContextMenuEvent.getType().getName())) {
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if (event.getType().equals(ContextMenuEvent.getType().getName())) {
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UserContextMenu menu = new UserContextMenu(app, GroupTreeView.images, user); |
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menu.setPopupPosition(event.getClientX(), event.getClientY()); |
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menu.show(); |
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protected ListDataProvider<Group> groupsDataProvider = new ListDataProvider<Group>(); |
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protected Map<Group, ListDataProvider<User>> userDataProviderMap = new HashMap<Group, ListDataProvider<User>>(); |
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SingleSelectionModel<Group> groupSelectionModel; |
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SingleSelectionModel<User> userSelectionModel; |
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final Group createGroup = new Group("Create new group...");
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public GroupTreeViewModel(Pithos _app) {
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app = _app; |
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groupSelectionModel = new SingleSelectionModel<Group>(); |
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app.addSelectionModel(groupSelectionModel); |
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groupSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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@Override |
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public void onSelectionChange(SelectionChangeEvent event) {
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Group selected = groupSelectionModel.getSelectedObject(); |
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if(selected != null) {
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app.deselectOthers(app.getGroupTreeView(), groupSelectionModel); |
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app.showFiles(new HashSet<File>()); |
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app.disableUploadArea(); |
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app.upload.setEnabled(false); |
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app.showRelevantToolbarButtons(); |
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if(selected.equals(CreateGroupPlaceholder)) {
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new CreateGroupCommand(app, null).execute(); |
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groupSelectionModel.setSelected(CreateGroupPlaceholder, false); |
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} |
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} |
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else {
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if(app.getSelectedTree().equals(app.getGroupTreeView())) {
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app.setSelectedTree(null); |
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} |
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if(app.getSelectedTree() == null) {
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app.showRelevantToolbarButtons(); |
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} |
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} |
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} |
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}); |
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userSelectionModel = new SingleSelectionModel<User>(); |
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app.addSelectionModel(userSelectionModel); |
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userSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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@Override |
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public void onSelectionChange(SelectionChangeEvent event) {
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if(userSelectionModel.getSelectedObject() != null) {
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app.deselectOthers(app.getGroupTreeView(), userSelectionModel); |
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app.showFiles(new HashSet<File>()); |
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app.showRelevantToolbarButtons(); |
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} |
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else {
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if(app.getSelectedTree().equals(app.getGroupTreeView())) {
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app.setSelectedTree(null); |
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} |
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if(app.getSelectedTree() == null) {
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app.showRelevantToolbarButtons(); |
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} |
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} |
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} |
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}); |
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} |
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groupSelectionModel = new SingleSelectionModel<Group>(); |
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app.addSelectionModel(groupSelectionModel); |
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groupSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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@Override |
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public void onSelectionChange(SelectionChangeEvent event) {
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Group selected = groupSelectionModel.getSelectedObject(); |
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if (selected != null) {
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app.deselectOthers(app.getGroupTreeView(), groupSelectionModel); |
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app.showFiles(new HashSet<File>()); |
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app.disableUploadArea(); |
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app.upload.setEnabled(false); |
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app.showRelevantToolbarButtons(); |
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if (selected.equals(createGroup)) {
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new CreateGroupCommand(app, null).execute(); |
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groupSelectionModel.setSelected(createGroup, false); |
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} |
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} |
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else {
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if (app.getSelectedTree().equals(app.getGroupTreeView())) |
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app.setSelectedTree(null); |
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if (app.getSelectedTree() == null) |
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app.showRelevantToolbarButtons(); |
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} |
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} |
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}); |
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userSelectionModel = new SingleSelectionModel<User>(); |
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app.addSelectionModel(userSelectionModel); |
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userSelectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
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@Override |
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public void onSelectionChange(SelectionChangeEvent event) {
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if (userSelectionModel.getSelectedObject() != null) {
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app.deselectOthers(app.getGroupTreeView(), userSelectionModel); |
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app.showFiles(new HashSet<File>()); |
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app.showRelevantToolbarButtons(); |
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} |
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else {
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if (app.getSelectedTree().equals(app.getGroupTreeView())) |
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app.setSelectedTree(null); |
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if (app.getSelectedTree() == null) |
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app.showRelevantToolbarButtons(); |
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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 <T> NodeInfo<?> getNodeInfo(T value) {
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app.LOG("GroupTreeViewModel::getNodeInfo(), value = ", value);
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if(value == null) {
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groupsDataProvider.getList().clear(); |
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groupsDataProvider.getList().addAll(app.getAccount().getGroups()); |
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groupsDataProvider.getList().add(CreateGroupPlaceholder); |
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if (value == null) {
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groupsDataProvider.getList().clear(); |
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groupsDataProvider.getList().addAll(app.getAccount().getGroups()); |
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groupsDataProvider.getList().add(createGroup); |
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return new DefaultNodeInfo<Group>(groupsDataProvider, groupCell, groupSelectionModel, null); |
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} |
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final Group group = (Group) value; |
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if(userDataProviderMap.get(group) == null) {
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userDataProviderMap.put(group, new ListDataProvider<User>()); |
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} |
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final ListDataProvider<User> dataProvider = userDataProviderMap.get(group); |
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dataProvider.getList().clear(); |
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final List<User> users = group.getUsers(); |
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for(User user : users) {
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app.LOG("GroupTreeViewModel::getNodeInfo(), Add ", user);
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dataProvider.getList().add(user); |
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} |
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return new DefaultNodeInfo<User>(dataProvider, userCell, userSelectionModel, null); |
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Group g = (Group) value; |
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if (userDataProviderMap.get(g) == null) {
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userDataProviderMap.put(g, new ListDataProvider<User>()); |
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} |
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final ListDataProvider<User> dataProvider = userDataProviderMap.get(g); |
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dataProvider.getList().clear(); |
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for (String u : g.getMembers()) |
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dataProvider.getList().add(new User(u, g.getName())); |
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return new DefaultNodeInfo<User>(dataProvider, userCell, userSelectionModel, null); |
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} |
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@Override
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@Override
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public boolean isLeaf(Object o) {
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if(o instanceof User) {
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return true; |
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} |
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else if(o instanceof Group) {
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return ((Group) o).getUsers().isEmpty(); |
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if (o instanceof User) {
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return true; |
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} |
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else if (o instanceof Group) |
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return ((Group) o).getMembers().isEmpty(); |
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return false; |
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} |
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public void updateGroupNode(Group group) {
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if(group == null) {
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groupsDataProvider.getList().clear(); |
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groupsDataProvider.getList().addAll(app.getAccount().getGroups()); |
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groupsDataProvider.getList().add(CreateGroupPlaceholder); |
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} |
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else {
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if(userDataProviderMap.get(group) == null) {
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userDataProviderMap.put(group, new ListDataProvider<User>()); |
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} |
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final ListDataProvider<User> dataProvider = userDataProviderMap.get(group); |
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dataProvider.getList().clear(); |
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for(User user : group.getUsers()) {
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app.LOG("GroupTreeViewModel::updateGroupNode(), group = ", group, ". Add ", user);
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dataProvider.getList().add(user); |
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} |
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} |
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} |
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public Object getSelectedObject() {
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if(groupSelectionModel.getSelectedObject() != null) {
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return groupSelectionModel.getSelectedObject(); |
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} |
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if(userSelectionModel.getSelectedObject() != null) {
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return userSelectionModel.getSelectedObject(); |
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} |
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return null; |
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} |
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public void updateGroupNode(Group group) {
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if (group == null) {
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groupsDataProvider.getList().clear(); |
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groupsDataProvider.getList().addAll(app.getAccount().getGroups()); |
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groupsDataProvider.getList().add(createGroup); |
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} |
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else {
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if (userDataProviderMap.get(group) == null) {
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userDataProviderMap.put(group, new ListDataProvider<User>()); |
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} |
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final ListDataProvider<User> dataProvider = userDataProviderMap.get(group); |
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dataProvider.getList().clear(); |
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for (String u : group.getMembers()) |
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dataProvider.getList().add(new User(u, group.getName())); |
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} |
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} |
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public Object getSelectedObject() {
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if (groupSelectionModel.getSelectedObject() != null) |
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return groupSelectionModel.getSelectedObject(); |
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if (userSelectionModel.getSelectedObject() != null) |
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return userSelectionModel.getSelectedObject(); |
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return null; |
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} |
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} |
Also available in: Unified diff