com.facebook.buck.intellij.ideabuck.ui.tree.renderers.BuckTreeCellRenderer.java Source code

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Here is the source code for com.facebook.buck.intellij.ideabuck.ui.tree.renderers.BuckTreeCellRenderer.java

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/*
 * Copyright 2015-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.intellij.ideabuck.ui.tree.renderers;

import com.facebook.buck.intellij.ideabuck.ui.tree.BuckTreeNodeBuild;
import com.facebook.buck.intellij.ideabuck.ui.tree.BuckTreeNodeTarget;
import com.facebook.buck.intellij.ideabuck.ui.tree.BuckTreeNodeDetail;
import com.facebook.buck.intellij.ideabuck.ui.tree.BuckTreeNodeDetailError;
import com.facebook.buck.intellij.ideabuck.ui.tree.BuckTreeNodeFileError;
import com.google.common.collect.ImmutableMap;
import com.intellij.ui.components.JBLabel;

import javax.swing.JTree;
import javax.swing.tree.TreeCellRenderer;
import java.awt.Component;

public class BuckTreeCellRenderer implements TreeCellRenderer {

    private ImmutableMap<Class<?>, BuildElementRenderer> mRenderers;

    public BuckTreeCellRenderer() {
        mRenderers = new ImmutableMap.Builder<Class<?>, BuildElementRenderer>()
                .put(BuckTreeNodeBuild.class, new BuildNodeRenderer())
                .put(BuckTreeNodeTarget.class, new TargetNodeRenderer())
                .put(BuckTreeNodeFileError.class, new FileErrorNodeRenderer())
                .put(BuckTreeNodeDetail.class, new DetailNodeRenderer())
                .put(BuckTreeNodeDetailError.class, new DetailNodeRenderer()).build();
    }

    @Override
    public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded,
            boolean leaf, int row, boolean hasFocus) {

        Class<?> cc = value.getClass();
        if (mRenderers.containsKey(cc)) {
            BuildElementRenderer renderer = mRenderers.get(value.getClass());
            return renderer.render(value);
        }
        return new JBLabel("unknown kind of element");
    }
}