/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.plugins.haxe.ide.generation;
import com.intellij.codeInsight.FileModificationService;
import com.intellij.ide.util.MemberChooser;
import com.intellij.lang.LanguageCodeInsightActionHandler;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.plugins.haxe.ide.HaxeNamedElementNode;
import com.intellij.plugins.haxe.lang.psi.HaxeClass;
import com.intellij.plugins.haxe.lang.psi.HaxeClassDeclaration;
import com.intellij.plugins.haxe.lang.psi.HaxeFile;
import com.intellij.plugins.haxe.lang.psi.HaxeNamedComponent;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.Function;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import java.awt.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* @author: Fedor.Korotkov
*/
public abstract class BaseHaxeGenerateHandler implements LanguageCodeInsightActionHandler {
@Override
public boolean isValidFor(Editor editor, PsiFile file) {
return file instanceof HaxeFile;
}
@Override
public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
if (!FileModificationService.getInstance().prepareFileForWrite(file)) return;
final HaxeClass haxeClass =
PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), HaxeClassDeclaration.class);
if (haxeClass == null) return;
final List<HaxeNamedComponent> candidates = new ArrayList<HaxeNamedComponent>();
collectCandidates(haxeClass, candidates);
List<HaxeNamedElementNode> selectedElements = Collections.emptyList();
if (ApplicationManager.getApplication().isUnitTestMode()) {
selectedElements = ContainerUtil.map(candidates, new Function<HaxeNamedComponent, HaxeNamedElementNode>() {
@Override
public HaxeNamedElementNode fun(HaxeNamedComponent namedComponent) {
return new HaxeNamedElementNode(namedComponent);
}
});
}
else if (!candidates.isEmpty()) {
final MemberChooser<HaxeNamedElementNode> chooser =
createMemberChooserDialog(project, haxeClass, candidates, getTitle());
chooser.show();
selectedElements = chooser.getSelectedElements();
}
final BaseCreateMethodsFix createMethodsFix = createFix(haxeClass);
doInvoke(project, editor, file, selectedElements, createMethodsFix);
}
protected void doInvoke(final Project project,
final Editor editor,
final PsiFile file,
final Collection<HaxeNamedElementNode> selectedElements,
final BaseCreateMethodsFix createMethodsFix) {
Runnable runnable = new Runnable() {
public void run() {
createMethodsFix.addElementsToProcessFrom(selectedElements);
createMethodsFix.beforeInvoke(project, editor, file);
ApplicationManager.getApplication().runWriteAction(new Runnable() {
public void run() {
try {
createMethodsFix.invoke(project, editor, file);
}
catch (IncorrectOperationException ex) {
Logger.getInstance(getClass().getName()).error(ex);
}
}
});
}
};
if (CommandProcessor.getInstance().getCurrentCommand() == null) {
CommandProcessor.getInstance().executeCommand(project, runnable, getClass().getName(), null);
}
else {
runnable.run();
}
}
protected abstract BaseCreateMethodsFix createFix(HaxeClass haxeClass);
protected abstract String getTitle();
abstract void collectCandidates(HaxeClass aClass, List<HaxeNamedComponent> candidates);
@Nullable
protected JComponent getOptionsComponent(HaxeClass jsClass, final Collection<HaxeNamedComponent> candidates) {
return null;
}
@Override
public boolean startInWriteAction() {
return true;
}
protected MemberChooser<HaxeNamedElementNode> createMemberChooserDialog(final Project project,
final HaxeClass haxeClass,
final Collection<HaxeNamedComponent> candidates,
String title) {
final MemberChooser<HaxeNamedElementNode> chooser = new MemberChooser<HaxeNamedElementNode>(
ContainerUtil.map(candidates, new Function<HaxeNamedComponent, HaxeNamedElementNode>() {
@Override
public HaxeNamedElementNode fun(HaxeNamedComponent namedComponent) {
return new HaxeNamedElementNode(namedComponent);
}
}).toArray(new HaxeNamedElementNode[candidates.size()]), false, true, project, false) {
protected void init() {
super.init();
myTree.addTreeSelectionListener(new TreeSelectionListener() {
public void valueChanged(final TreeSelectionEvent e) {
setOKActionEnabled(myTree.getSelectionCount() > 0);
}
});
}
protected JComponent createCenterPanel() {
final JComponent superComponent = super.createCenterPanel();
final JComponent optionsComponent = getOptionsComponent(haxeClass, candidates);
if (optionsComponent == null) {
return superComponent;
}
else {
final JPanel panel = new JPanel(new BorderLayout());
panel.add(superComponent, BorderLayout.CENTER);
panel.add(optionsComponent, BorderLayout.SOUTH);
return panel;
}
}
};
chooser.setTitle(title);
chooser.setCopyJavadocVisible(false);
return chooser;
}
}