Java tutorial
// Copyright (C) 2011 The Android Open Source Project // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package com.google.gerrit.client.admin; import static com.google.gerrit.common.data.GlobalCapability.CREATE_PROJECT; import com.google.gerrit.client.Dispatcher; import com.google.gerrit.client.ErrorDialog; import com.google.gerrit.client.Gerrit; import com.google.gerrit.client.NotFoundScreen; import com.google.gerrit.client.VoidResult; import com.google.gerrit.client.account.AccountCapabilities; import com.google.gerrit.client.projects.ProjectApi; import com.google.gerrit.client.projects.ProjectInfo; import com.google.gerrit.client.projects.ProjectMap; import com.google.gerrit.client.rpc.GerritCallback; import com.google.gerrit.client.ui.HintTextBox; import com.google.gerrit.client.ui.OnEditEnabler; import com.google.gerrit.client.ui.ProjectListPopup; import com.google.gerrit.client.ui.ProjectNameSuggestOracle; import com.google.gerrit.client.ui.ProjectsTable; import com.google.gerrit.client.ui.Screen; import com.google.gerrit.common.PageLinks; import com.google.gerrit.common.ProjectUtil; import com.google.gerrit.reviewdb.client.Project; import com.google.gwt.core.client.Scheduler; import com.google.gwt.core.client.Scheduler.ScheduledCommand; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.KeyCodes; import com.google.gwt.event.dom.client.KeyPressEvent; import com.google.gwt.event.dom.client.KeyPressHandler; import com.google.gwt.user.client.Event; import com.google.gwt.user.client.History; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Anchor; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.CheckBox; import com.google.gwt.user.client.ui.Grid; import com.google.gwt.user.client.ui.SuggestBox; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwtexpui.globalkey.client.NpTextBox; public class CreateProjectScreen extends Screen { private Grid grid; private NpTextBox project; private Button create; private Button browse; private HintTextBox parent; private SuggestBox suggestParent; private CheckBox emptyCommit; private CheckBox permissionsOnly; private ProjectsTable suggestedParentsTab; private ProjectListPopup projectsPopup; public CreateProjectScreen() { super(); setRequiresSignIn(true); } @Override protected void onLoad() { super.onLoad(); AccountCapabilities.all(new GerritCallback<AccountCapabilities>() { @Override public void onSuccess(AccountCapabilities ac) { if (ac.canPerform(CREATE_PROJECT)) { display(); } else { Gerrit.display(PageLinks.ADMIN_CREATE_PROJECT, new NotFoundScreen()); } } }, CREATE_PROJECT); } @Override protected void onUnload() { super.onUnload(); projectsPopup.closePopup(); } @Override protected void onInitUI() { super.onInitUI(); setPageTitle(Util.C.createProjectTitle()); addCreateProjectPanel(); /* popup */ projectsPopup = new ProjectListPopup() { @Override protected void onMovePointerTo(String projectName) { // prevent user input from being overwritten by simply poping up if (!projectsPopup.isPoppingUp() || "".equals(suggestParent.getText())) { suggestParent.setText(projectName); } } }; projectsPopup.initPopup(Util.C.projects(), PageLinks.ADMIN_PROJECTS); } private void addCreateProjectPanel() { final VerticalPanel fp = new VerticalPanel(); fp.setStyleName(Gerrit.RESOURCES.css().createProjectPanel()); initCreateButton(); initCreateTxt(); initParentBox(); addGrid(fp); emptyCommit = new CheckBox(Util.C.checkBoxEmptyCommit()); permissionsOnly = new CheckBox(Util.C.checkBoxPermissionsOnly()); fp.add(emptyCommit); fp.add(permissionsOnly); fp.add(create); VerticalPanel vp = new VerticalPanel(); vp.add(fp); initSuggestedParents(); vp.add(suggestedParentsTab); add(vp); } private void initCreateTxt() { project = new NpTextBox() { @Override public void onBrowserEvent(Event event) { super.onBrowserEvent(event); if (event.getTypeInt() == Event.ONPASTE) { Scheduler.get().scheduleDeferred(new ScheduledCommand() { @Override public void execute() { if (project.getValue().trim().length() != 0) { create.setEnabled(true); } } }); } } }; project.sinkEvents(Event.ONPASTE); project.setVisibleLength(50); project.addKeyPressHandler(new KeyPressHandler() { @Override public void onKeyPress(KeyPressEvent event) { if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER) { doCreateProject(); } } }); new OnEditEnabler(create, project); } private void initCreateButton() { create = new Button(Util.C.buttonCreateProject()); create.setEnabled(false); create.addClickHandler(new ClickHandler() { @Override public void onClick(final ClickEvent event) { doCreateProject(); } }); browse = new Button(Util.C.buttonBrowseProjects()); browse.addClickHandler(new ClickHandler() { @Override public void onClick(final ClickEvent event) { int top = grid.getAbsoluteTop() - 50; // under page header // Try to place it to the right of everything else, but not // right justified int left = 5 + Math.max(grid.getAbsoluteLeft() + grid.getOffsetWidth(), suggestedParentsTab.getAbsoluteLeft() + suggestedParentsTab.getOffsetWidth()); projectsPopup.setPreferredCoordinates(top, left); projectsPopup.displayPopup(); } }); } private void initParentBox() { parent = new HintTextBox(); suggestParent = new SuggestBox(new ProjectNameSuggestOracle(), parent); parent.setVisibleLength(50); } private void initSuggestedParents() { suggestedParentsTab = new ProjectsTable() { { table.setText(0, 1, Util.C.parentSuggestions()); } @Override protected void populate(final int row, final ProjectInfo k) { final Anchor projectLink = new Anchor(k.name()); projectLink.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { suggestParent.setText(getRowItem(row).name()); } }); table.setWidget(row, 1, projectLink); table.setText(row, 2, k.description()); setRowItem(row, k); } }; suggestedParentsTab.setVisible(false); ProjectMap.parentCandidates(new GerritCallback<ProjectMap>() { @Override public void onSuccess(ProjectMap list) { if (!list.isEmpty()) { suggestedParentsTab.setVisible(true); suggestedParentsTab.display(list); suggestedParentsTab.finishDisplay(); } } }); } private void addGrid(final VerticalPanel fp) { grid = new Grid(2, 3); grid.setStyleName(Gerrit.RESOURCES.css().infoBlock()); grid.setText(0, 0, Util.C.columnProjectName() + ":"); grid.setWidget(0, 1, project); grid.setText(1, 0, Util.C.headingParentProjectName() + ":"); grid.setWidget(1, 1, suggestParent); grid.setWidget(1, 2, browse); fp.add(grid); } private void doCreateProject() { final String projectName = project.getText().trim(); final String parentName = suggestParent.getText().trim(); if ("".equals(projectName)) { project.setFocus(true); return; } enableForm(false); ProjectApi.createProject(projectName, parentName, emptyCommit.getValue(), permissionsOnly.getValue(), new AsyncCallback<VoidResult>() { @Override public void onSuccess(VoidResult result) { String nameWithoutSuffix = ProjectUtil.stripGitSuffix(projectName); History.newItem(Dispatcher.toProjectAdmin(new Project.NameKey(nameWithoutSuffix), ProjectScreen.INFO)); } @Override public void onFailure(Throwable caught) { new ErrorDialog(caught.getMessage()).center(); enableForm(true); } }); } private void enableForm(final boolean enabled) { project.setEnabled(enabled); create.setEnabled(enabled); parent.setEnabled(enabled); emptyCommit.setEnabled(enabled); permissionsOnly.setEnabled(enabled); } }