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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.netbeans.modules.java.disco;

import static org.netbeans.modules.java.disco.SwingWorker2.submit;

import java.io.File;
import javax.swing.JFileChooser;
import org.checkerframework.checker.guieffect.qual.UIEffect;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.openide.util.NbBundle;

@NbBundle.Messages({
    "DiscoBrowsePanel.searching=Searching...",
    "DiscoBrowsePanel.error=Requested JDK not found."
})
public class BrowsePanel extends javax.swing.JPanel {

    private final BrowseWizardPanel panel;
    private final WizardState state;
    private final Client discoClient;

    public BrowsePanel(BrowseWizardPanel panel, WizardState state) {
        this.panel = panel;
        this.state = state;
        this.discoClient = Client.getInstance();
        init();
    }

    @UIEffect
    private void init() {
        setName("Browse");

        initComponents();
    }

    @Override
    @UIEffect
    public void addNotify() {
        super.addNotify();
        //we do this every time
        if (state.selection.get(null) == null) {
            jdkDescription.setText(Bundle.DiscoBrowsePanel_searching());
            //OK, we have a quick selection so the file name was not the best, let's try to load it
            submit(() -> {
                return state.selection.get(discoClient);
            }).then(pkg -> {
                //re-set the name
                jdkDescription.setText(state.selection.getFileName());
                panel.fireChangeListeners();
            }).handle(ex -> {
                jdkDescription.setText(Bundle.DiscoBrowsePanel_error());
            }).execute();
        } else {
            jdkDescription.setText(state.selection.getFileName());
        }
    }

    public boolean isOK() {
        return state.selection.get(null) != null
                && !downloadPathText.getText().isEmpty();
    }

    @NonNull
    public String getDefaultDownloadFolder() {
        File f = OS.getDefaultDownloadFolder();
        if (f == null)
            return "";
        return f.getAbsolutePath();
    }

    public String getUserDownloadFolder() {
        return downloadPathText.getText();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // //GEN-BEGIN:initComponents
    private void initComponents() {

        javax.swing.JLabel selectedLabel = new javax.swing.JLabel();
        jdkDescription = new javax.swing.JLabel();
        javax.swing.JLabel downloadLabel = new javax.swing.JLabel();
        downloadPathText = new javax.swing.JTextField();
        chooseButton = new javax.swing.JToggleButton();

        org.openide.awt.Mnemonics.setLocalizedText(selectedLabel, org.openide.util.NbBundle.getMessage(BrowsePanel.class, "BrowsePanel.selectedLabel.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(jdkDescription, org.openide.util.NbBundle.getMessage(BrowsePanel.class, "BrowsePanel.jdkDescription.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(downloadLabel, org.openide.util.NbBundle.getMessage(BrowsePanel.class, "BrowsePanel.downloadLabel.text")); // NOI18N

        downloadPathText.setEditable(false);
        downloadPathText.setText(getDefaultDownloadFolder());

        org.openide.awt.Mnemonics.setLocalizedText(chooseButton, org.openide.util.NbBundle.getMessage(BrowsePanel.class, "BrowsePanel.chooseButton.text")); // NOI18N
        chooseButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                chooseButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(downloadLabel)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(downloadPathText, javax.swing.GroupLayout.DEFAULT_SIZE, 194, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(chooseButton))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(selectedLabel)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jdkDescription, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addContainerGap())))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(selectedLabel)
                    .addComponent(jdkDescription))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(downloadLabel)
                    .addComponent(downloadPathText, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(chooseButton))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
    }// //GEN-END:initComponents

    private void chooseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_chooseButtonActionPerformed
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setCurrentDirectory(new File("."));
        fileChooser.setDialogTitle("Select destination folder");
        fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        fileChooser.setAcceptAllFileFilterUsed(false);

        if (fileChooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
            File folder = fileChooser.getSelectedFile();
            if (folder != null) {
                String destinationFolder = folder.getAbsolutePath();
                downloadPathText.setText(destinationFolder);
            }
        }
    }//GEN-LAST:event_chooseButtonActionPerformed


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JToggleButton chooseButton;
    private javax.swing.JTextField downloadPathText;
    private javax.swing.JLabel jdkDescription;
    // End of variables declaration//GEN-END:variables

}