com.android.tools.idea.npw.assetstudio.ui.VectorAssetBrowser.java Source code

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Here is the source code for com.android.tools.idea.npw.assetstudio.ui.VectorAssetBrowser.java

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/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.tools.idea.npw.assetstudio.ui;

import com.android.tools.idea.npw.assetstudio.assets.VectorAsset;
import com.android.tools.idea.ui.properties.BindingsManager;
import com.android.tools.idea.ui.properties.core.StringProperty;
import com.android.tools.idea.ui.properties.swing.TextProperty;
import com.google.common.collect.Lists;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.ui.TextFieldWithBrowseButton;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.SystemInfo;
import org.jetbrains.annotations.NotNull;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.Arrays;
import java.util.List;

/**
 * Text field with browse button which wraps a {@link VectorAsset}, which allows the user to
 * specify a path to an SVG file or other supported vector format.
 */
public final class VectorAssetBrowser extends TextFieldWithBrowseButton
        implements AssetComponent<VectorAsset>, Disposable {
    private final VectorAsset myAsset = new VectorAsset(VectorAsset.FileType.SVG);
    private final BindingsManager myBindings = new BindingsManager();

    private final List<ActionListener> myAssetListeners = Lists.newArrayListWithExpectedSize(1);

    public VectorAssetBrowser() {
        addBrowseFolderListener(null, null, null, createMultiFileDescriptor("svg", "psd"));

        final StringProperty absolutePath = new TextProperty(getTextField());
        myBindings.bind(absolutePath, myAsset.path().transform(File::getAbsolutePath));
        myBindings.bind(myAsset.path(), absolutePath.transform(File::new));
        myBindings.bind(myAsset.type(), absolutePath.transform(VectorAsset::typeFromExtension));

        myAsset.path().addListener(sender -> {
            ActionEvent e = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, null);
            for (ActionListener listener : myAssetListeners) {
                listener.actionPerformed(e);
            }
        });
    }

    @NotNull
    @Override
    public VectorAsset getAsset() {
        return myAsset;
    }

    @Override
    public void addAssetListener(@NotNull ActionListener l) {
        myAssetListeners.add(l);
    }

    @Override
    public void dispose() {
        myBindings.releaseAll();
        myAssetListeners.clear();
    }

    private static FileChooserDescriptor createMultiFileDescriptor(final String... extensions) {
        return new FileChooserDescriptor(true, false, false, false, false, false)
                .withFileFilter(file -> Arrays.stream(extensions).anyMatch(
                        e -> Comparing.equal(file.getExtension(), e, SystemInfo.isFileSystemCaseSensitive)));
    }
}