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

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Here is the source code for com.android.tools.idea.npw.assetstudio.ui.ImageAssetBrowser.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.ImageAsset;
import com.android.tools.idea.ui.properties.BindingsManager;
import com.android.tools.idea.ui.properties.InvalidationListener;
import com.android.tools.idea.ui.properties.ObservableValue;
import com.android.tools.idea.ui.properties.swing.TextProperty;
import com.google.common.collect.Lists;
import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory;
import com.intellij.openapi.ui.TextFieldWithBrowseButton;
import org.jetbrains.annotations.NotNull;

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

/**
 * Panel which wraps a {@link ImageAsset}, allowing the user to browse for an image file to use as
 * an asset.
 */
public final class ImageAssetBrowser extends TextFieldWithBrowseButton implements AssetComponent<ImageAsset> {
    private final ImageAsset myImageAsset = new ImageAsset();
    private final BindingsManager myBindings = new BindingsManager();
    private final List<ActionListener> myListeners = Lists.newArrayListWithExpectedSize(1);

    public ImageAssetBrowser() {

        addBrowseFolderListener(null, null, null, FileChooserDescriptorFactory.createSingleFileNoJarsDescriptor());

        final TextProperty imagePathText = new TextProperty(getTextField());
        myBindings.bind(imagePathText, myImageAsset.imagePath().transform(File::getAbsolutePath));
        myBindings.bind(myImageAsset.imagePath(), imagePathText.transform(File::new));

        InvalidationListener onImageChanged = new InvalidationListener() {
            @Override
            public void onInvalidated(@NotNull ObservableValue<?> sender) {
                ActionEvent e = new ActionEvent(ImageAssetBrowser.this, ActionEvent.ACTION_PERFORMED, null);
                for (ActionListener listener : myListeners) {
                    listener.actionPerformed(e);
                }
            }
        };
        myImageAsset.imagePath().addListener(onImageChanged);
    }

    @NotNull
    @Override
    public ImageAsset getAsset() {
        return myImageAsset;
    }

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

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