Java tutorial
/* * ProjectSourceControlPreferencesPane.java * * Copyright (C) 2009-12 by RStudio, Inc. * * Unless you have received this program directly from RStudio pursuant * to the terms of a commercial license agreement with RStudio, then * this program is licensed to you under the terms of version 3 of the * GNU Affero General Public License. This program is distributed WITHOUT * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT, * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details. * */ package org.rstudio.studio.client.projects.ui.prefs; import org.rstudio.core.client.prefs.PreferencesDialogBaseResources; import org.rstudio.core.client.theme.res.ThemeStyles; import org.rstudio.core.client.widget.MessageDialog; import org.rstudio.core.client.widget.Operation; import org.rstudio.core.client.widget.ProgressIndicator; import org.rstudio.core.client.widget.SelectWidget; import org.rstudio.studio.client.common.GlobalDisplay; import org.rstudio.studio.client.common.HelpLink; import org.rstudio.studio.client.common.vcs.GitServerOperations; import org.rstudio.studio.client.common.vcs.VCSConstants; import org.rstudio.studio.client.common.vcs.VcsHelpLink; import org.rstudio.studio.client.projects.model.RProjectOptions; import org.rstudio.studio.client.projects.model.RProjectVcsOptions; import org.rstudio.studio.client.projects.model.RProjectVcsContext; import org.rstudio.studio.client.server.ServerError; import org.rstudio.studio.client.server.ServerRequestCallback; import org.rstudio.studio.client.server.VoidServerRequestCallback; import org.rstudio.studio.client.workbench.model.Session; import com.google.gwt.core.client.JsArrayString; import com.google.gwt.event.dom.client.ChangeEvent; import com.google.gwt.event.dom.client.ChangeHandler; import com.google.gwt.resources.client.ImageResource; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.google.inject.Inject; public class ProjectSourceControlPreferencesPane extends ProjectPreferencesPane { @Inject public ProjectSourceControlPreferencesPane(final Session session, GlobalDisplay globalDisplay, GitServerOperations server) { session_ = session; globalDisplay_ = globalDisplay; server_ = server; vcsSelect_ = new SelectWidget("Version control system:", new String[] {}); spaced(vcsSelect_); add(vcsSelect_); vcsSelect_.addChangeHandler(new ChangeHandler() { @Override public void onChange(ChangeEvent event) { updateOriginLabel(); if (vcsSelect_.getValue().equals(VCSConstants.GIT_ID)) { confirmGitRepo(new Command() { @Override public void execute() { promptToRestart(); } }); } else { promptToRestart(); } } }); lblOrigin_ = new OriginLabel(); lblOrigin_.addStyleName(RES.styles().vcsOriginLabel()); lblOrigin_.addStyleName(ThemeStyles.INSTANCE.selectableText()); extraSpaced(lblOrigin_); add(lblOrigin_); HelpLink vcsHelpLink = new VcsHelpLink(); nudgeRight(vcsHelpLink); add(vcsHelpLink); } @Override public ImageResource getIcon() { return PreferencesDialogBaseResources.INSTANCE.iconSourceControl(); } @Override public String getName() { return "Git/SVN"; } @Override protected void initialize(RProjectOptions options) { // save the context vcsContext_ = options.getVcsContext(); // populate the vcs selections list String[] vcsSelections = new String[] { NONE }; JsArrayString applicableVcs = vcsContext_.getApplicableVcs(); if (applicableVcs.length() > 0) { vcsSelections = new String[applicableVcs.length() + 1]; vcsSelections[0] = NONE; for (int i = 0; i < applicableVcs.length(); i++) vcsSelections[i + 1] = applicableVcs.get(i); } vcsSelect_.setChoices(vcsSelections); // set override or default RProjectVcsOptions vcsOptions = options.getVcsOptions(); if (vcsOptions.getActiveVcsOverride().length() > 0) setVcsSelection(vcsOptions.getActiveVcsOverride()); else setVcsSelection(vcsContext_.getDetectedVcs()); } @Override public boolean onApply(RProjectOptions options) { RProjectVcsOptions vcsOptions = options.getVcsOptions(); setVcsOptions(vcsOptions); return false; } private void setVcsOptions(RProjectVcsOptions vcsOptions) { String vcsSelection = getVcsSelection(); if (!vcsSelection.equals(vcsContext_.getDetectedVcs())) vcsOptions.setActiveVcsOverride(vcsSelection); else vcsOptions.setActiveVcsOverride(""); } private String getVcsSelection() { String value = vcsSelect_.getValue(); if (value.equals(NONE)) return VCSConstants.NO_ID; else return value; } private void setVcsSelection(String vcs) { // set value if (vcs.equals(VCSConstants.NO_ID)) vcsSelect_.setValue(NONE); else if (!vcsSelect_.setValue(vcs)) { vcsSelect_.setValue(NONE); } updateOriginLabel(); } private void updateOriginLabel() { String vcs = getVcsSelection(); if (vcs.equals(VCSConstants.GIT_ID)) { StringBuilder label = new StringBuilder(); label.append("Origin: "); String originUrl = vcsContext_.getGitRemoteOriginUrl(); if (originUrl.length() == 0) originUrl = NO_REMOTE_ORIGIN; lblOrigin_.setOrigin("Origin:", originUrl); lblOrigin_.setVisible(true); vcsSelect_.removeStyleName(RES.styles().vcsSelectExtraSpaced()); } else if (vcs.equals(VCSConstants.SVN_ID)) { lblOrigin_.setOrigin("Repo:", vcsContext_.getSvnRepositoryRoot()); lblOrigin_.setVisible(true); vcsSelect_.removeStyleName(RES.styles().vcsSelectExtraSpaced()); } else // vcs.equals(VCSConstants.NO_ID) { lblOrigin_.setOrigin("", ""); lblOrigin_.setVisible(false); vcsSelect_.addStyleName(RES.styles().vcsSelectExtraSpaced()); } } private void confirmGitRepo(final Command onConfirmed) { final ProgressIndicator indicator = getProgressIndicator(); indicator.onProgress("Checking for git repository..."); final String projDir = session_.getSessionInfo().getActiveProjectDir().getPath(); server_.gitHasRepo(projDir, new ServerRequestCallback<Boolean>() { @Override public void onResponseReceived(Boolean result) { indicator.onCompleted(); if (result) { onConfirmed.execute(); } else { globalDisplay_.showYesNoMessage(MessageDialog.QUESTION, "Confirm New Git Repository", "Do you want to initialize a new git repository " + "for this project?", false, new Operation() { @Override public void execute() { server_.gitInitRepo(projDir, new VoidServerRequestCallback(indicator) { @Override public void onSuccess() { onConfirmed.execute(); } @Override public void onFailure() { setVcsSelection(VCSConstants.NO_ID); } }); } }, new Operation() { @Override public void execute() { setVcsSelection(VCSConstants.NO_ID); indicator.onCompleted(); } }, true); } } @Override public void onError(ServerError error) { setVcsSelection(VCSConstants.NO_ID); indicator.onError(error.getUserMessage()); } }); } private class OriginLabel extends Composite { public OriginLabel() { HorizontalPanel panel = new HorizontalPanel(); lblCaption_ = new Label(); panel.add(lblCaption_); lblOrigin_ = new Label(); lblOrigin_.addStyleName(RES.styles().vcsOriginUrl()); panel.add(lblOrigin_); initWidget(panel); } public void setOrigin(String caption, String origin) { lblCaption_.setText(caption); lblOrigin_.setText(origin); if (origin.equals(NO_REMOTE_ORIGIN)) lblOrigin_.addStyleName(RES.styles().vcsNoOriginUrl()); else lblOrigin_.removeStyleName(RES.styles().vcsNoOriginUrl()); } private Label lblCaption_; private Label lblOrigin_; } private final Session session_; private final GlobalDisplay globalDisplay_; private final GitServerOperations server_; private SelectWidget vcsSelect_; private OriginLabel lblOrigin_; private RProjectVcsContext vcsContext_; private static final String NONE = "(None)"; private static final String NO_REMOTE_ORIGIN = "None"; private static final ProjectPreferencesDialogResources RES = ProjectPreferencesDialogResources.INSTANCE; }