com.intellij.codeInsight.generation.ui.SimpleFieldChooser.java Source code

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Here is the source code for com.intellij.codeInsight.generation.ui.SimpleFieldChooser.java

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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.codeInsight.generation.ui;

import com.intellij.ide.IconDescriptorUpdaters;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.psi.PsiField;
import com.intellij.psi.PsiSubstitutor;
import com.intellij.psi.util.PsiFormatUtil;
import com.intellij.psi.util.PsiFormatUtilBase;
import com.intellij.ui.DoubleClickListener;
import com.intellij.ui.components.JBList;

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseEvent;

/**
 * @author ven
 */
public class SimpleFieldChooser extends DialogWrapper {
    private final PsiField[] myFields;
    private JList myList;

    public SimpleFieldChooser(PsiField[] members, Project project) {
        super(project, true);
        myFields = members;
        init();
    }

    @Override
    protected JComponent createCenterPanel() {
        final DefaultListModel model = new DefaultListModel();
        for (PsiField member : myFields) {
            model.addElement(member);
        }
        myList = new JBList(model);
        myList.setCellRenderer(new MyListCellRenderer());
        new DoubleClickListener() {
            @Override
            protected boolean onDoubleClick(MouseEvent e) {
                if (myList.getSelectedValues().length > 0) {
                    doOKAction();
                    return true;
                }
                return false;
            }
        }.installOn(myList);

        myList.setPreferredSize(new Dimension(300, 400));
        return myList;
    }

    public Object[] getSelectedElements() {
        return myList.getSelectedValues();
    }

    private static class MyListCellRenderer extends DefaultListCellRenderer {
        @Override
        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
                boolean cellHasFocus) {
            super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
            Icon icon = null;
            if (value instanceof PsiField) {
                PsiField field = (PsiField) value;
                icon = IconDescriptorUpdaters.getIcon(field, 0);
                final String text = PsiFormatUtil.formatVariable(field,
                        PsiFormatUtilBase.SHOW_NAME | PsiFormatUtilBase.SHOW_TYPE, PsiSubstitutor.EMPTY);
                setText(text);
            }
            super.setIcon(icon);
            return this;
        }
    }
}