platform/vcs-impl/src/com/intellij/openapi/vcs/actions/ShowBaseRevisionAction.java - platform/tools/idea - Git at Google

 /*
  * Copyright 2000-2011 JetBrains s.r.o.
  *
  * 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.intellij.openapi.vcs.actions;

 import com.intellij.openapi.actionSystem.Presentation;
 import com.intellij.openapi.editor.colors.EditorColors;
 import com.intellij.openapi.editor.colors.EditorColorsManager;
 import com.intellij.openapi.progress.ProgressIndicator;
 import com.intellij.openapi.progress.ProgressManager;
 import com.intellij.openapi.progress.Task;
 import com.intellij.openapi.ui.popup.JBPopup;
 import com.intellij.openapi.ui.popup.JBPopupFactory;
 import com.intellij.openapi.vcs.AbstractVcs;
 import com.intellij.openapi.vcs.VcsBundle;
 import com.intellij.openapi.vcs.changes.BackgroundFromStartOption;
 import com.intellij.openapi.vcs.diff.DiffMixin;
 import com.intellij.openapi.vcs.history.VcsRevisionDescription;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.util.ObjectUtils;
 import com.intellij.util.text.DateFormatUtil;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;

 import javax.swing.*;
 import java.awt.*;

 /**
  * Created by IntelliJ IDEA.
  * User: Irina.Chernushina
  * Date: 8/2/11
  * Time: 1:22 PM
  */
 public class ShowBaseRevisionAction extends AbstractVcsAction {
   @Override
   protected void actionPerformed(VcsContext vcsContext) {
     final AbstractVcs vcs = AbstractShowDiffAction.isEnabled(vcsContext, null);
     if (vcs == null) return;
     final VirtualFile[] selectedFilePaths = vcsContext.getSelectedFiles();
     if (selectedFilePaths == null || selectedFilePaths.length != 1) return;
     final VirtualFile selectedFile = selectedFilePaths[0];
     if (selectedFile.isDirectory()) return;

     ProgressManager.getInstance().run(new MyTask(selectedFile, vcs, vcsContext));
   }

   private static class MyTask extends Task.Backgroundable {
     private final AbstractVcs vcs;
     private final VirtualFile selectedFile;
     private VcsRevisionDescription myDescription;
     private VcsContext vcsContext;

     private MyTask(VirtualFile selectedFile, AbstractVcs vcs, VcsContext vcsContext) {
       super(vcsContext.getProject(), "Loading current revision", true, BackgroundFromStartOption.getInstance());
       this.selectedFile = selectedFile;
       this.vcs = vcs;
       this.vcsContext = vcsContext;
     }

     @Override
     public void run(@NotNull ProgressIndicator indicator) {
       myDescription = ObjectUtils.assertNotNull((DiffMixin)vcs.getDiffProvider()).getCurrentRevisionDescription(selectedFile);
     }

     @Override
     public void onSuccess() {
       if (myProject.isDisposed() || ! myProject.isOpen()) return;

       if (myDescription != null) {
         NotificationPanel panel = new NotificationPanel();
         panel.setText(createMessage(myDescription, selectedFile));
         final JBPopup message = JBPopupFactory.getInstance().createComponentPopupBuilder(panel, panel.getLabel()).createPopup();
         if (vcsContext.getEditor() != null) {
           message.showInBestPositionFor(vcsContext.getEditor());
         } else {
           message.showCenteredInCurrentWindow(vcsContext.getProject());
         }
       }
     }
   }

   private static String createMessage(VcsRevisionDescription description, final VirtualFile vf) {
     return "<html><head>" + UIUtil.getCssFontDeclaration(UIUtil.getLabelFont()) + "</head><body>" +
            VcsBundle.message("current.version.text", description.getAuthor(),
                              DateFormatUtil.formatPrettyDateTime(description.getRevisionDate()), description.getCommitMessage(),
                              description.getRevisionNumber().asString(), vf.getName()) + "</body></html>";
   }

   @Override
   protected void update(VcsContext vcsContext, Presentation presentation) {
     final AbstractVcs vcs = AbstractShowDiffAction.isEnabled(vcsContext, null);
     presentation.setEnabled(vcs != null);
   }

   static class NotificationPanel extends JPanel {
     protected final JEditorPane myLabel;

     public NotificationPanel() {
       super(new BorderLayout());

       myLabel = new JEditorPane(UIUtil.HTML_MIME, "");
       myLabel.setEditable(false);
       myLabel.setFont(UIUtil.getToolTipFont());

       setBorder(BorderFactory.createEmptyBorder(1, 15, 1, 15));

       add(myLabel, BorderLayout.CENTER);
       myLabel.setBackground(getBackground());
     }

     public void setText(String text) {
       myLabel.setText(text);
     }

     public JEditorPane getLabel() {
       return myLabel;
     }

     @Override
     public Color getBackground() {
       Color color = EditorColorsManager.getInstance().getGlobalScheme().getColor(EditorColors.NOTIFICATION_BACKGROUND);
       return color == null ? new Color(0xffffcc) : color;
     }
   }
 }
	/*
	* Copyright 2000-2011 JetBrains s.r.o.
	*
	* 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.intellij.openapi.vcs.actions;

	import com.intellij.openapi.actionSystem.Presentation;
	import com.intellij.openapi.editor.colors.EditorColors;
	import com.intellij.openapi.editor.colors.EditorColorsManager;
	import com.intellij.openapi.progress.ProgressIndicator;
	import com.intellij.openapi.progress.ProgressManager;
	import com.intellij.openapi.progress.Task;
	import com.intellij.openapi.ui.popup.JBPopup;
	import com.intellij.openapi.ui.popup.JBPopupFactory;
	import com.intellij.openapi.vcs.AbstractVcs;
	import com.intellij.openapi.vcs.VcsBundle;
	import com.intellij.openapi.vcs.changes.BackgroundFromStartOption;
	import com.intellij.openapi.vcs.diff.DiffMixin;
	import com.intellij.openapi.vcs.history.VcsRevisionDescription;
	import com.intellij.openapi.vfs.VirtualFile;
	import com.intellij.util.ObjectUtils;
	import com.intellij.util.text.DateFormatUtil;
	import com.intellij.util.ui.UIUtil;
	import org.jetbrains.annotations.NotNull;

	import javax.swing.*;
	import java.awt.*;

	/**
	* Created by IntelliJ IDEA.
	* User: Irina.Chernushina
	* Date: 8/2/11
	* Time: 1:22 PM
	*/
	public class ShowBaseRevisionAction extends AbstractVcsAction {
	@Override
	protected void actionPerformed(VcsContext vcsContext) {
	final AbstractVcs vcs = AbstractShowDiffAction.isEnabled(vcsContext, null);
	if (vcs == null) return;
	final VirtualFile[] selectedFilePaths = vcsContext.getSelectedFiles();
	if (selectedFilePaths == null \|\| selectedFilePaths.length != 1) return;
	final VirtualFile selectedFile = selectedFilePaths[0];
	if (selectedFile.isDirectory()) return;

	ProgressManager.getInstance().run(new MyTask(selectedFile, vcs, vcsContext));
	}

	private static class MyTask extends Task.Backgroundable {
	private final AbstractVcs vcs;
	private final VirtualFile selectedFile;
	private VcsRevisionDescription myDescription;
	private VcsContext vcsContext;

	private MyTask(VirtualFile selectedFile, AbstractVcs vcs, VcsContext vcsContext) {
	super(vcsContext.getProject(), "Loading current revision", true, BackgroundFromStartOption.getInstance());
	this.selectedFile = selectedFile;
	this.vcs = vcs;
	this.vcsContext = vcsContext;
	}

	@Override
	public void run(@NotNull ProgressIndicator indicator) {
	myDescription = ObjectUtils.assertNotNull((DiffMixin)vcs.getDiffProvider()).getCurrentRevisionDescription(selectedFile);
	}

	@Override
	public void onSuccess() {
	if (myProject.isDisposed() \|\| ! myProject.isOpen()) return;

	if (myDescription != null) {
	NotificationPanel panel = new NotificationPanel();
	panel.setText(createMessage(myDescription, selectedFile));
	final JBPopup message = JBPopupFactory.getInstance().createComponentPopupBuilder(panel, panel.getLabel()).createPopup();
	if (vcsContext.getEditor() != null) {
	message.showInBestPositionFor(vcsContext.getEditor());
	} else {
	message.showCenteredInCurrentWindow(vcsContext.getProject());
	}
	}
	}
	}

	private static String createMessage(VcsRevisionDescription description, final VirtualFile vf) {
	return "<html><head>" + UIUtil.getCssFontDeclaration(UIUtil.getLabelFont()) + "</head><body>" +
	VcsBundle.message("current.version.text", description.getAuthor(),
	DateFormatUtil.formatPrettyDateTime(description.getRevisionDate()), description.getCommitMessage(),
	description.getRevisionNumber().asString(), vf.getName()) + "</body></html>";
	}

	@Override
	protected void update(VcsContext vcsContext, Presentation presentation) {
	final AbstractVcs vcs = AbstractShowDiffAction.isEnabled(vcsContext, null);
	presentation.setEnabled(vcs != null);
	}

	static class NotificationPanel extends JPanel {
	protected final JEditorPane myLabel;

	public NotificationPanel() {
	super(new BorderLayout());

	myLabel = new JEditorPane(UIUtil.HTML_MIME, "");
	myLabel.setEditable(false);
	myLabel.setFont(UIUtil.getToolTipFont());

	setBorder(BorderFactory.createEmptyBorder(1, 15, 1, 15));

	add(myLabel, BorderLayout.CENTER);
	myLabel.setBackground(getBackground());
	}

	public void setText(String text) {
	myLabel.setText(text);
	}

	public JEditorPane getLabel() {
	return myLabel;
	}

	@Override
	public Color getBackground() {
	Color color = EditorColorsManager.getInstance().getGlobalScheme().getColor(EditorColors.NOTIFICATION_BACKGROUND);
	return color == null ? new Color(0xffffcc) : color;
	}
	}
	}