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/*
* Copyright 2000-2009 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.refactoring.move.moveInstanceMethod;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.help.HelpManager;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.ui.VerticalFlowLayout;
import com.intellij.psi.*;
import com.intellij.refactoring.HelpID;
import com.intellij.refactoring.RefactoringBundle;
import com.intellij.refactoring.move.MoveInstanceMembersUtil;
import com.intellij.ui.EditorTextField;
import com.intellij.ui.ScrollPaneFactory;
import com.intellij.ui.TitledSeparator;
import com.intellij.util.containers.HashMap;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.awt.*;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
/**
* @author ven
*/
public class MoveInstanceMethodDialog extends MoveInstanceMethodDialogBase {
@NonNls private static final String KEY = "#com.intellij.refactoring.move.moveInstanceMethod.MoveInstanceMethodDialog";
//Map from classes referenced by 'this' to sets of referenced members
private Map<PsiClass, Set<PsiMember>> myThisClassesMap;
private Map<PsiClass, EditorTextField> myOldClassParameterNameFields;
public MoveInstanceMethodDialog(final PsiMethod method,
final PsiVariable[] variables) {
super(method, variables, MoveInstanceMethodHandler.REFACTORING_NAME);
init();
}
protected String getDimensionServiceKey() {
return KEY;
}
protected JComponent createCenterPanel() {
JPanel mainPanel = new JPanel(new GridBagLayout());
final TitledSeparator separator = new TitledSeparator();
mainPanel.add(separator, new GridBagConstraints(0, GridBagConstraints.RELATIVE, 2, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(0,0,0,0), 0,0));
myList = createTargetVariableChooser();
myList.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
validateTextFields(e.getFirstIndex());
}
});
separator.setText(RefactoringBundle.message("moveInstanceMethod.select.an.instance.parameter"));
final JScrollPane scrollPane = ScrollPaneFactory.createScrollPane(myList);
mainPanel.add(scrollPane, new GridBagConstraints(0, GridBagConstraints.RELATIVE, 1, 1, 1.0, 1.0, GridBagConstraints.WEST, GridBagConstraints.BOTH, new Insets(0,0,0,0), 0,0));
myVisibilityPanel = createVisibilityPanel();
mainPanel.add(myVisibilityPanel, new GridBagConstraints(1, GridBagConstraints.RELATIVE, 1, 1, 0.0, 1.0, GridBagConstraints.WEST, GridBagConstraints.VERTICAL, new Insets(0,0,0,0), 0,0));
final JPanel parametersPanel = createParametersPanel();
if (parametersPanel != null) {
mainPanel.add(parametersPanel, new GridBagConstraints(0, GridBagConstraints.RELATIVE, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(0,0,0,0), 0,0));
}
separator.setLabelFor(myList);
validateTextFields(myList.getSelectedIndex());
updateOnChanged(myList);
return mainPanel;
}
private void validateTextFields(final int selectedIndex) {
for (EditorTextField textField : myOldClassParameterNameFields.values()) {
textField.setEnabled(true);
}
final PsiVariable variable = myVariables[selectedIndex];
if (variable instanceof PsiField) {
final PsiField field = (PsiField)variable;
final PsiClass hisClass = field.getContainingClass();
final Set<PsiMember> members = myThisClassesMap.get(hisClass);
if (members != null && members.size() == 1 && members.contains(field)) { //Just the field is referenced
myOldClassParameterNameFields.get(hisClass).setEnabled(false);
}
}
}
@Nullable
private JPanel createParametersPanel () {
myThisClassesMap = MoveInstanceMembersUtil.getThisClassesToMembers(myMethod);
myOldClassParameterNameFields = new HashMap<PsiClass, EditorTextField>();
if (myThisClassesMap.size() == 0) return null;
JPanel panel = new JPanel(new VerticalFlowLayout(VerticalFlowLayout.TOP, 0, 0, true, true));
for (PsiClass aClass : myThisClassesMap.keySet()) {
final String text = RefactoringBundle.message("move.method.this.parameter.label", aClass.getName());
panel.add(new TitledSeparator(text, null));
String suggestedName = MoveInstanceMethodHandler.suggestParameterNameForThisClass(aClass);
final EditorTextField field = new EditorTextField(suggestedName, getProject(), StdFileTypes.JAVA);
field.setMinimumSize(new Dimension(field.getPreferredSize()));
myOldClassParameterNameFields.put(aClass, field);
panel.add(field);
}
panel.setBorder(BorderFactory.createEmptyBorder(5, 0, 5, 0));
return panel;
}
protected void doAction() {
Map<PsiClass, String> parameterNames = new LinkedHashMap<PsiClass, String>();
for (final PsiClass aClass : myThisClassesMap.keySet()) {
EditorTextField field = myOldClassParameterNameFields.get(aClass);
if (field.isEnabled()) {
String parameterName = field.getText().trim();
if (!PsiNameHelper.getInstance(myMethod.getProject()).isIdentifier(parameterName)) {
Messages
.showErrorDialog(getProject(), RefactoringBundle.message("move.method.enter.a.valid.name.for.parameter"), myRefactoringName);
return;
}
parameterNames.put(aClass, parameterName);
}
}
final PsiVariable targetVariable = (PsiVariable)myList.getSelectedValue();
if (targetVariable == null) return;
final MoveInstanceMethodProcessor processor = new MoveInstanceMethodProcessor(myMethod.getProject(),
myMethod, targetVariable,
myVisibilityPanel.getVisibility(),
parameterNames);
if (!verifyTargetClass(processor.getTargetClass())) return;
invokeRefactoring(processor);
}
@Override
protected void updateOnChanged(JList list) {
super.updateOnChanged(list);
final PsiVariable selectedValue = (PsiVariable)list.getSelectedValue();
if (selectedValue != null) {
final PsiClassType psiType = (PsiClassType)selectedValue.getType();
final PsiClass targetClass = psiType.resolve();
UIUtil.setEnabled(myVisibilityPanel, targetClass != null && !targetClass.isInterface(), true);
}
}
protected void doHelpAction() {
HelpManager.getInstance().invokeHelp(HelpID.MOVE_INSTANCE_METHOD);
}
}
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