com.palantir.typescript.Images.java Source code

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Here is the source code for com.palantir.typescript.Images.java

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/*
 * Copyright 2013 Palantir Technologies, 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.palantir.typescript;

import static com.google.common.base.Preconditions.checkNotNull;

import java.net.URL;
import java.util.List;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;

import com.palantir.typescript.services.language.ScriptElementKind;
import com.palantir.typescript.services.language.ScriptElementKindModifier;

/**
 * Provides access to all of the images.
 *
 * @author dcicerone
 */
public final class Images {

    private static final ImageRegistry REGISTRY = new ImageRegistry();

    public static Image getImage(ScriptElementKind kind, List<ScriptElementKindModifier> kindModifiers) {
        checkNotNull(kind);
        checkNotNull(kindModifiers);

        final String imageName = getImageName(kind, kindModifiers);

        return getImage("$nl$/icons/elements/" + imageName + ".png");
    }

    private static String getImageName(ScriptElementKind kind, List<ScriptElementKindModifier> kindModifiers) {
        switch (kind) {
        case CLASS_ELEMENT:
            return "class";
        case ENUM_ELEMENT:
            return "enum";
        case LOCAL_FUNCTION_ELEMENT:
        case FUNCTION_ELEMENT:
            return "function";
        case INTERFACE_ELEMENT:
            return "interface";
        case CALL_SIGNATURE_ELEMENT:
        case CONSTRUCT_SIGNATURE_ELEMENT:
        case CONSTRUCTOR_IMPLEMENTATION_ELEMENT:
        case INDEX_SIGNATURE_ELEMENT:
        case MEMBER_FUNCTION_ELEMENT:
        case MEMBER_GET_ACCESSOR_ELEMENT:
        case MEMBER_SET_ACCESSOR_ELEMENT:
            if (kindModifiers.contains(ScriptElementKindModifier.PRIVATE_MEMBER_MODIFIER)) {
                return "memberFunctionPrivate";
            } else if (kindModifiers.contains(ScriptElementKindModifier.PROTECTED_MEMBER_MODIFIER)) {
                return "memberFunctionProtected";
            } else { // public
                return "memberFunctionPublic";
            }
        case MEMBER_VARIABLE_ELEMENT:
            if (kindModifiers.contains(ScriptElementKindModifier.PRIVATE_MEMBER_MODIFIER)) {
                return "memberVariablePrivate";
            } else if (kindModifiers.contains(ScriptElementKindModifier.PROTECTED_MEMBER_MODIFIER)) {
                return "memberVariableProtected";
            } else { // public
                return "memberVariablePublic";
            }
        case MODULE_ELEMENT:
            return "module";
        case PARAMETER_ELEMENT:
            return "parameter";
        case LOCAL_VARIABLE_ELEMENT:
        case VARIABLE_ELEMENT:
            return "variable";
        case UNKNOWN:
        default:
            return "unknown";
        }
    }

    private static Image getImage(String path) {
        if (REGISTRY.getDescriptor(path) == null) {
            IPath path2 = new Path(path);
            URL imageUrl = FileLocator.find(TypeScriptPlugin.getDefault().getBundle(), path2, null);
            ImageDescriptor descriptor = ImageDescriptor.createFromURL(imageUrl);

            REGISTRY.put(path, descriptor);
        }

        return REGISTRY.get(path);
    }

    private Images() {
        // prevent instantiation
    }
}