| /* |
| * Copyright 2000-2012 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.diff.impl.external; |
| |
| import com.intellij.execution.ExecutionException; |
| import com.intellij.execution.configurations.GeneralCommandLine; |
| import com.intellij.execution.util.ExecutionErrorDialog; |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.diff.*; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.config.AbstractProperty; |
| import com.intellij.util.config.BooleanProperty; |
| import com.intellij.util.config.StringProperty; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.awt.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| abstract class BaseExternalTool implements DiffTool { |
| private final BooleanProperty myEnableProperty; |
| private final StringProperty myToolProperty; |
| |
| protected BaseExternalTool(BooleanProperty enableProperty, StringProperty toolProperty) { |
| myEnableProperty = enableProperty; |
| myToolProperty = toolProperty; |
| } |
| |
| public final boolean canShow(@NotNull DiffRequest request) { |
| if (!isEnabled() || StringUtil.isEmpty(getToolPath())) return false; |
| return isAvailable(request); |
| } |
| |
| @Override |
| public DiffViewer createComponent(String title, DiffRequest request, Window window, @NotNull Disposable parentDisposable) { |
| return null; |
| } |
| |
| public abstract boolean isAvailable(@NotNull DiffRequest request); |
| |
| @Nullable |
| protected ContentExternalizer externalize(@NotNull DiffRequest request, final int index) { |
| final VirtualFile file = getLocalFile(request.getContents()[index].getFile()); |
| |
| if (LocalFileExternalizer.canExternalizeAsFile(file)) { |
| return LocalFileExternalizer.tryCreate(file); |
| } |
| |
| return new ExternalToolContentExternalizer(request, index); |
| } |
| |
| public static AbstractProperty.AbstractPropertyContainer getProperties() { |
| return DiffManagerImpl.getInstanceEx().getProperties(); |
| } |
| |
| protected String getToolPath() { |
| return myToolProperty.get(getProperties()); |
| } |
| |
| protected boolean isEnabled() { |
| return myEnableProperty.value(getProperties()); |
| } |
| |
| @NotNull |
| protected List<String> getParameters(@NotNull DiffRequest request) throws Exception { |
| final String p1 = convertToPath(request, 0); |
| final String p2 = convertToPath(request, 1); |
| final List<String> params = new ArrayList<String>(); |
| if (p1 != null) params.add(p1); |
| if (p2 != null) params.add(p2); |
| return params; |
| } |
| |
| public void show(DiffRequest request) { |
| saveContents(request); |
| |
| GeneralCommandLine commandLine = new GeneralCommandLine(); |
| commandLine.setExePath(getToolPath()); |
| try { |
| commandLine.addParameters(getParameters(request)); |
| commandLine.createProcess(); |
| } |
| catch (Exception e) { |
| ExecutionErrorDialog.show(new ExecutionException(e.getMessage()), |
| DiffBundle.message("cant.launch.diff.tool.error.message"), request.getProject()); |
| } |
| } |
| |
| protected void saveContents(DiffRequest request) { |
| for (DiffContent diffContent : request.getContents()) { |
| Document document = diffContent.getDocument(); |
| if (document != null) { |
| FileDocumentManager.getInstance().saveDocument(document); |
| } |
| } |
| } |
| |
| @Nullable |
| protected String convertToPath(DiffRequest request, int index) throws Exception { |
| final ContentExternalizer externalize = externalize(request, index); |
| return externalize == null ? null : externalize.getContentFile().getAbsolutePath(); |
| } |
| |
| @Nullable |
| protected static VirtualFile getLocalFile(VirtualFile file) { |
| if (file != null && file.isInLocalFileSystem()) return file; |
| return null; |
| } |
| } |