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/*
* 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.lang.customFolding;
import com.intellij.ide.IdeBundle;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.ScrollType;
import com.intellij.openapi.fileEditor.ex.IdeDocumentHistory;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.DumbService;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
/**
* @author Rustam Vishnyakov
*/
public class GotoCustomRegionAction extends AnAction implements DumbAware {
@Override
public void actionPerformed(AnActionEvent e) {
final Project project = e.getProject();
final Editor editor = e.getData(CommonDataKeys.EDITOR);
if (Boolean.TRUE.equals(e.getData(PlatformDataKeys.IS_MODAL_CONTEXT))) {
return;
}
if (project != null && editor != null) {
if (DumbService.getInstance(project).isDumb()) {
DumbService.getInstance(project).showDumbModeNotification(IdeBundle.message("goto.custom.region.message.dumb.mode"));
return;
}
CommandProcessor processor = CommandProcessor.getInstance();
processor.executeCommand(
project,
new Runnable() {
@Override
public void run() {
GotoCustomRegionDialog dialog = new GotoCustomRegionDialog(project, editor);
dialog.show();
if (dialog.isOK()) {
PsiElement navigationElement = dialog.getNavigationElement();
if (navigationElement != null) {
navigateTo(editor, navigationElement);
IdeDocumentHistory.getInstance(project).includeCurrentCommandAsNavigation();
}
}
}
},
IdeBundle.message("goto.custom.region.command"),
null);
}
}
@Override
public void update(AnActionEvent e) {
Presentation presentation = e.getPresentation();
presentation.setText("Custom Region...");
final Editor editor = e.getData(CommonDataKeys.EDITOR);
final Project project = e.getProject();
boolean isAvailable = editor != null && project != null;
presentation.setEnabled(isAvailable);
presentation.setVisible(isAvailable);
}
private static void navigateTo(Editor editor, PsiElement element) {
int offset = element.getTextRange().getStartOffset();
if (offset >= 0 && offset < editor.getDocument().getTextLength()) {
editor.getCaretModel().removeSecondaryCarets();
editor.getCaretModel().moveToOffset(offset);
editor.getScrollingModel().scrollToCaret(ScrollType.CENTER);
editor.getSelectionModel().removeSelection();
}
}
}
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