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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.javafx2.samples;

import java.io.File;
import java.text.MessageFormat;

import javax.swing.JFileChooser;
import javax.swing.JPanel;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import org.netbeans.spi.project.ui.support.ProjectChooser;

import org.openide.WizardDescriptor;
import org.openide.util.NbBundle;
import org.openide.util.NbPreferences;

public class PanelProjectLocationVisual extends JPanel implements DocumentListener {

    private PanelConfigureProject panel;

    /** Creates new form PanelProjectLocationVisual */
    public PanelProjectLocationVisual(PanelConfigureProject panel) {
        initComponents();
        this.panel = panel;
        
        // Register listener on the textFields to make the automatic updates
        projectNameTextField.getDocument().addDocumentListener(this);
        projectLocationTextField.getDocument().addDocumentListener(this);
    }
    
    /** 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.
     */
    // //GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        projectNameLabel = new javax.swing.JLabel();
        projectNameTextField = new javax.swing.JTextField();
        projectLocationLabel = new javax.swing.JLabel();
        projectLocationTextField = new javax.swing.JTextField();
        Button = new javax.swing.JButton();
        createdFolderLabel = new javax.swing.JLabel();
        createdFolderTextField = new javax.swing.JTextField();

        setLayout(new java.awt.GridBagLayout());

        projectNameLabel.setLabelFor(projectNameTextField);
        projectNameLabel.setText(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "LBL_NWP1_ProjectName_Label")); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 12, 0);
        add(projectNameLabel, gridBagConstraints);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 12, 12, 0);
        add(projectNameTextField, gridBagConstraints);
        projectNameTextField.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "ACS_LBL_NWP1_ProjectName_A11YDesc")); // NOI18N

        projectLocationLabel.setLabelFor(projectLocationTextField);
        projectLocationLabel.setText(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "LBL_NWP1_ProjectLocation_Label")); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 1;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 5, 0);
        add(projectLocationLabel, gridBagConstraints);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 12, 5, 0);
        add(projectLocationTextField, gridBagConstraints);
        projectLocationTextField.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "ACS_LBL_NPW1_ProjectLocation_A11YDesc")); // NOI18N

        Button.setText(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "LBL_NWP1_BrowseLocation_Button")); // NOI18N
        Button.setActionCommand("BROWSE");
        Button.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                browseLocationAction(evt);
            }
        });
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.insets = new java.awt.Insets(0, 6, 5, 0);
        add(Button, gridBagConstraints);
        Button.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "ACS_LBL_NWP1_BrowseLocation_A11YDesc")); // NOI18N

        createdFolderLabel.setLabelFor(createdFolderTextField);
        createdFolderLabel.setText(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "LBL_NWP1_CreatedProjectFolder_Lablel")); // NOI18N
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridheight = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        add(createdFolderLabel, gridBagConstraints);

        createdFolderTextField.setEditable(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridheight = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 12, 0, 0);
        add(createdFolderTextField, gridBagConstraints);
        createdFolderTextField.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(PanelProjectLocationVisual.class, "ACS_LBL_NWP1_CreatedProjectFolder_A11YDesc")); // NOI18N
    }// //GEN-END:initComponents

    private void browseLocationAction(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_browseLocationAction
        String command = evt.getActionCommand();
        
        if ("BROWSE".equals(command)) { //NOI18N
            JFileChooser chooser = new JFileChooser();
            chooser.setDialogTitle(NbBundle.getMessage(PanelProjectLocationVisual.class,"LBL_NWP1_SelectProjectLocation")); //NOI18N
            chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
            String path = projectLocationTextField.getText();
            if (path.length() > 0) {
                File f = new File(path);
                if (f.exists())
                    chooser.setSelectedFile(f);
            }
            if (JFileChooser.APPROVE_OPTION == chooser.showOpenDialog(this)) {
                File projectDir = chooser.getSelectedFile();
                projectLocationTextField.setText(projectDir.getAbsolutePath());
            }            
            panel.fireChangeEvent();
        }
    }//GEN-LAST:event_browseLocationAction
    
    @Override
    public void addNotify() {
        super.addNotify();
        //same problem as in 31086, initial focus on Cancel button
        projectLocationTextField.requestFocus();
    }
    
    boolean valid(WizardDescriptor wizardDescriptor) {
        if (projectNameTextField.getText().length() == 0) {
            wizardDescriptor.putProperty(WizardDescriptor.PROP_ERROR_MESSAGE, NbBundle.getMessage(PanelProjectLocationVisual.class,"MSG_IllegalProjectName")); //NOI18N
            return false; // Display name not specified
        }
        
        File destFolder = new File(createdFolderTextField.getText());
        File[] children = destFolder.listFiles();
        if (destFolder.exists() && children != null && children.length > 0) {
            // Folder exists and is not empty
            wizardDescriptor.putProperty(WizardDescriptor.PROP_ERROR_MESSAGE, NbBundle.getMessage(PanelProjectLocationVisual.class,"MSG_ProjectFolderExists")); //NOI18N
            return false;
        }
                
        wizardDescriptor.putProperty(WizardDescriptor.PROP_ERROR_MESSAGE, ""); //NOI18N
        return true;
    }
    
    void store(WizardDescriptor d) {        
        String name = projectNameTextField.getText().trim();
        
        d.putProperty(WizardProperties.PROJECT_DIR, new File(createdFolderTextField.getText().trim()));
        d.putProperty(WizardProperties.NAME, name);
        
        File projectsDir = new File(this.projectLocationTextField.getText());
        if (projectsDir.isDirectory()) {
            ProjectChooser.setProjectsFolder (projectsDir);
        }
    }
        
    void read (WizardDescriptor settings) {
        File projectLocation = (File) settings.getProperty(WizardProperties.PROJECT_DIR);
        if (projectLocation == null)
            projectLocation = ProjectChooser.getProjectsFolder();
        else
            projectLocation = projectLocation.getParentFile();
        
        projectLocationTextField.setText(projectLocation.getAbsolutePath());
        
        String formater = null;
        String projectName = (String) settings.getProperty(WizardProperties.NAME);
        
        if (projectName == null) {
            formater = NbBundle.getMessage(PanelProjectLocationVisual.class, "LBL_NPW1_DefaultProjectName"); //NOI18N
        } else {
            formater = projectName + "{0}"; //NOI18N
        }
        if ((projectName == null) || (validFreeProjectName(projectLocation, projectName) == null)) {
            int baseCount = 1;
            while ((projectName = validFreeProjectName(projectLocation, formater, baseCount)) == null) {
                baseCount++;
            }
        }
        projectNameTextField.setText(projectName);
        projectNameTextField.selectAll();
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton Button;
    private javax.swing.JLabel createdFolderLabel;
    private javax.swing.JTextField createdFolderTextField;
    private javax.swing.JLabel projectLocationLabel;
    private javax.swing.JTextField projectLocationTextField;
    private javax.swing.JLabel projectNameLabel;
    protected javax.swing.JTextField projectNameTextField;
    // End of variables declaration//GEN-END:variables
        
    private String validFreeProjectName(final File parentFolder, final String formater, final int index) {
        String name = MessageFormat.format(formater, new Object[] {new Integer (index)});                
        File file = new File(parentFolder, name);
        return file.exists() ? null : name;
    }

    private String validFreeProjectName(final File parentFolder, final String name) {
        File file = new File(parentFolder, name);
        return file.exists() ? null : name;
    }
    
    // Implementation of DocumentListener --------------------------------------
    @Override
    public void changedUpdate(DocumentEvent e) {
        updateTexts(e);
    }
    
    @Override
    public void insertUpdate(DocumentEvent e) {
        updateTexts(e);
    }
    
    @Override
    public void removeUpdate(DocumentEvent e) {
        updateTexts(e);
    }
    // End if implementation of DocumentListener -------------------------------
    
    
    /** Handles changes in the project name and project directory
     */
    private void updateTexts(DocumentEvent e) {
        createdFolderTextField.setText(getCreatedFolderPath());

        panel.fireChangeEvent(); // Notify that the panel changed
    }
    
    private String getCreatedFolderPath() {
        StringBuilder folder = new StringBuilder(projectLocationTextField.getText().trim());
        if (!projectLocationTextField.getText().endsWith(File.separator))
            folder.append(File.separatorChar);
        folder.append(projectNameTextField.getText().trim());
        
        return folder.toString();
    }
    
}

//TODO implement check for project folder name and location




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