/*
* Copyright 2000-2014 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.fileEditor.impl.text;
import com.intellij.codeHighlighting.BackgroundEditorHighlighter;
import com.intellij.ide.structureView.StructureViewBuilder;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.colors.EditorColorsManager;
import com.intellij.openapi.editor.colors.EditorColorsScheme;
import com.intellij.openapi.editor.ex.EditorEx;
import com.intellij.openapi.editor.highlighter.EditorHighlighter;
import com.intellij.openapi.editor.highlighter.EditorHighlighterFactory;
import com.intellij.openapi.fileEditor.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.UserDataHolderBase;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.pom.Navigatable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.TestOnly;
import javax.swing.*;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* @author Vladimir Kondratyev
*/
public class TextEditorImpl extends UserDataHolderBase implements TextEditor {
protected final Project myProject;
private final PropertyChangeSupport myChangeSupport;
@NotNull private final TextEditorComponent myComponent;
@NotNull protected final VirtualFile myFile;
private final AsyncEditorLoader myAsyncLoader;
private final Future<?> myLoadingFinished;
TextEditorImpl(@NotNull final Project project, @NotNull final VirtualFile file, final TextEditorProvider provider) {
myProject = project;
myFile = file;
myChangeSupport = new PropertyChangeSupport(this);
myComponent = createEditorComponent(project, file);
Disposer.register(this, myComponent);
myAsyncLoader = new AsyncEditorLoader(this, myComponent, provider);
myLoadingFinished = myAsyncLoader.start();
}
@NotNull
protected Runnable loadEditorInBackground() {
EditorColorsScheme scheme = EditorColorsManager.getInstance().getGlobalScheme();
EditorHighlighter highlighter = EditorHighlighterFactory.getInstance().createEditorHighlighter(myFile, scheme, myProject);
EditorEx editor = (EditorEx)getEditor();
highlighter.setText(editor.getDocument().getImmutableCharSequence());
return () -> editor.setHighlighter(highlighter);
}
@NotNull
protected TextEditorComponent createEditorComponent(final Project project, final VirtualFile file) {
return new TextEditorComponent(project, file, this);
}
@Override
public void dispose(){
}
@Override
@NotNull
public TextEditorComponent getComponent() {
return myComponent;
}
@Override
@NotNull
public JComponent getPreferredFocusedComponent(){
return getActiveEditor().getContentComponent();
}
@Override
@NotNull
public Editor getEditor(){
return getActiveEditor();
}
/**
* @see TextEditorComponent#getEditor()
*/
@NotNull
private Editor getActiveEditor() {
return myComponent.getEditor();
}
@Override
@NotNull
public String getName() {
return "Text";
}
@Override
@NotNull
public FileEditorState getState(@NotNull FileEditorStateLevel level) {
return myAsyncLoader.getEditorState(level);
}
@Override
public void setState(@NotNull final FileEditorState state) {
myAsyncLoader.setEditorState((TextEditorState)state);
}
@Override
public boolean isModified() {
return myComponent.isModified();
}
@Override
public boolean isValid() {
return myComponent.isEditorValid();
}
@Override
public void selectNotify() {
myComponent.selectNotify();
}
@Override
public void deselectNotify() {
}
public void updateModifiedProperty() {
myComponent.updateModifiedProperty();
}
void firePropertyChange(final String propertyName, final Object oldValue, final Object newValue) {
myChangeSupport.firePropertyChange(propertyName, oldValue, newValue);
}
@Override
public void addPropertyChangeListener(@NotNull final PropertyChangeListener listener) {
myChangeSupport.addPropertyChangeListener(listener);
}
@Override
public void removePropertyChangeListener(@NotNull final PropertyChangeListener listener) {
myChangeSupport.removePropertyChangeListener(listener);
}
@Override
public BackgroundEditorHighlighter getBackgroundHighlighter() {
return null;
}
@Override
public FileEditorLocation getCurrentLocation() {
return new TextEditorLocation(getEditor().getCaretModel().getLogicalPosition(), this);
}
@Override
public StructureViewBuilder getStructureViewBuilder() {
Document document = myComponent.getEditor().getDocument();
VirtualFile file = FileDocumentManager.getInstance().getFile(document);
if (file == null || !file.isValid()) return null;
return StructureViewBuilder.PROVIDER.getStructureViewBuilder(file.getFileType(), file, myProject);
}
@Nullable
@Override
public VirtualFile getVirtualFile() {
return FileDocumentManager.getInstance().getFile(myComponent.getEditor().getDocument());
}
@Override
public boolean canNavigateTo(@NotNull final Navigatable navigatable) {
return navigatable instanceof OpenFileDescriptor && (((OpenFileDescriptor)navigatable).getLine() != -1 ||
((OpenFileDescriptor)navigatable).getOffset() >= 0);
}
@Override
public void navigateTo(@NotNull final Navigatable navigatable) {
((OpenFileDescriptor)navigatable).navigateIn(getEditor());
}
@Override
public String toString() {
return "Editor: "+myComponent.getFile();
}
@TestOnly
public void waitForLoaded(long timeout, @NotNull TimeUnit unit) throws TimeoutException {
try {
myLoadingFinished.get(timeout, unit);
}
catch (InterruptedException | ExecutionException e) {
throw new RuntimeException(e);
}
}
}