com.facebook.buck.plugin.intellij.ui.TargetsTreeRenderer.java Source code

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Here is the source code for com.facebook.buck.plugin.intellij.ui.TargetsTreeRenderer.java

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/*
 * Copyright 2013-present Facebook, Inc.
 *
 * 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.facebook.buck.plugin.intellij.ui;

import com.google.common.base.Strings;
import com.intellij.icons.AllIcons;
import com.intellij.ui.IdeBorderFactory;
import com.intellij.ui.MultilineTreeCellRenderer;
import com.intellij.ui.SideBorder;

import javax.swing.Icon;
import javax.swing.JScrollPane;
import javax.swing.JTree;

class TargetsTreeRenderer extends MultilineTreeCellRenderer {

    private TargetsTreeRenderer() {
    }

    public static JScrollPane install(JTree tree) {
        JScrollPane scrollPane = installRenderer(tree, new TargetsTreeRenderer());
        scrollPane.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT));
        return scrollPane;
    }

    @Override
    protected void initComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf,
            int row, boolean hasFocus) {
        if (value instanceof TargetNode) {
            TargetNode node = (TargetNode) value;
            String[] text = new String[] { node.getName() };
            Icon icon;
            switch (node.getType()) {
            case DIRECTORY:
                icon = AllIcons.Hierarchy.Base;
                break;
            case JAVA_LIBRARY:
                icon = AllIcons.Modules.Library;
                break;
            case JAVA_BINARY:
                icon = AllIcons.RunConfigurations.Application;
                break;
            case JAVA_TEST:
                icon = AllIcons.RunConfigurations.Junit;
                break;
            case OTHER:
                icon = AllIcons.General.ExternalTools;
                break;
            default:
                icon = AllIcons.General.Error;
            }
            setText(text, "");
            setIcon(icon);
        } else {
            String[] text = new String[] { value == null ? "" : value.toString() };
            text[0] = Strings.nullToEmpty(text[0]);
            setText(text, null);
            setIcon(null);
        }
    }
}