James Moger
2011-10-22 16038ce2adf5f06f75230150f75d110a804414c1
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/*
 * Copyright 2011 gitblit.com.
 *
 * 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.gitblit.client;
 
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
 
import javax.swing.DefaultComboBoxModel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.ListCellRenderer;
 
import com.gitblit.Constants.AccessRestrictionType;
import com.gitblit.Constants.FederationStrategy;
import com.gitblit.models.RepositoryModel;
import com.gitblit.utils.StringUtils;
 
/**
 * Dialog to create/edit a repository.
 * 
 * @author James Moger
 */
public class EditRepositoryDialog extends JDialog {
 
    private static final long serialVersionUID = 1L;
 
    private final String repositoryName;
 
    private final RepositoryModel repository;
 
    private boolean isCreate;
 
    private boolean canceled = true;
 
    private JTextField nameField;
 
    private JTextField descriptionField;
 
    private JCheckBox useTickets;
 
    private JCheckBox useDocs;
 
    private JCheckBox showRemoteBranches;
 
    private JCheckBox showReadme;
 
    private JCheckBox skipSizeCalculation;
 
    private JCheckBox isFrozen;
 
    private JComboBox accessRestriction;
 
    private JComboBox federationStrategy;
 
    private JComboBox ownerField;
 
    private JPalette<String> usersPalette;
 
    private JPalette<String> setsPalette;
 
    private Set<String> repositoryNames;
 
    public EditRepositoryDialog() {
        this(new RepositoryModel());
        this.isCreate = true;
        setTitle(Translation.get("gb.newRepository"));
    }
 
    public EditRepositoryDialog(RepositoryModel aRepository) {
        super();
        this.repositoryName = aRepository.name;
        this.repository = new RepositoryModel();
        this.repositoryNames = new HashSet<String>();
        this.isCreate = false;
        initialize(aRepository);
        setModal(true);
        setResizable(false);
        setTitle(Translation.get("gb.edit") + ": " + aRepository.name);
        setIconImage(new ImageIcon(getClass().getResource("/gitblt-favicon.png")).getImage());
    }
 
    @Override
    protected JRootPane createRootPane() {
        KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
        JRootPane rootPane = new JRootPane();
        rootPane.registerKeyboardAction(new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent) {
                setVisible(false);
            }
        }, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);
        return rootPane;
    }
 
    private void initialize(RepositoryModel anRepository) {
        nameField = new JTextField(anRepository.name == null ? "" : anRepository.name, 35);
        descriptionField = new JTextField(anRepository.description == null ? ""
                : anRepository.description, 35);
 
        JTextField originField = new JTextField(anRepository.origin == null ? ""
                : anRepository.origin, 40);
        originField.setEditable(false);
 
        ownerField = new JComboBox();
 
        useTickets = new JCheckBox(Translation.get("gb.useTicketsDescription"),
                anRepository.useTickets);
        useDocs = new JCheckBox(Translation.get("gb.useDocsDescription"), anRepository.useDocs);
        showRemoteBranches = new JCheckBox(Translation.get("gb.showRemoteBranchesDescription"),
                anRepository.showRemoteBranches);
        showReadme = new JCheckBox(Translation.get("gb.showReadmeDescription"),
                anRepository.showReadme);
        skipSizeCalculation = new JCheckBox(Translation.get("gb.skipSizeCalculationDescription"),
                anRepository.skipSizeCalculation);
        isFrozen = new JCheckBox(Translation.get("gb.isFrozenDescription"), anRepository.isFrozen);
 
        accessRestriction = new JComboBox(AccessRestrictionType.values());
        accessRestriction.setRenderer(new AccessRestrictionRenderer());
        accessRestriction.setSelectedItem(anRepository.accessRestriction);
 
        // federation strategies - remove ORIGIN choice if this repository has
        // no origin.
        List<FederationStrategy> federationStrategies = new ArrayList<FederationStrategy>(
                Arrays.asList(FederationStrategy.values()));
        if (StringUtils.isEmpty(anRepository.origin)) {
            federationStrategies.remove(FederationStrategy.FEDERATE_ORIGIN);
        }
        federationStrategy = new JComboBox(federationStrategies.toArray());
        federationStrategy.setRenderer(new FederationStrategyRenderer());
        federationStrategy.setSelectedItem(anRepository.federationStrategy);
 
        JPanel fieldsPanel = new JPanel(new GridLayout(0, 1));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.name"), nameField));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.description"), descriptionField));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.origin"), originField));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.owner"), ownerField));
 
        fieldsPanel.add(newFieldPanel(Translation.get("gb.enableTickets"), useTickets));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.enableDocs"), useDocs));
        fieldsPanel
                .add(newFieldPanel(Translation.get("gb.showRemoteBranches"), showRemoteBranches));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.showReadme"), showReadme));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.skipSizeCalculation"),
                skipSizeCalculation));
        fieldsPanel.add(newFieldPanel(Translation.get("gb.isFrozen"), isFrozen));
 
        usersPalette = new JPalette<String>();
        JPanel accessPanel = new JPanel(new BorderLayout(5, 5));
        accessPanel.add(newFieldPanel(Translation.get("gb.accessRestriction"), accessRestriction),
                BorderLayout.NORTH);
        accessPanel.add(newFieldPanel(Translation.get("gb.permittedUsers"), usersPalette),
                BorderLayout.CENTER);
 
        setsPalette = new JPalette<String>();
        JPanel federationPanel = new JPanel(new BorderLayout(5, 5));
        federationPanel.add(
                newFieldPanel(Translation.get("gb.federationStrategy"), federationStrategy),
                BorderLayout.NORTH);
        federationPanel.add(newFieldPanel(Translation.get("gb.federationSets"), setsPalette),
                BorderLayout.CENTER);
 
        JTabbedPane panel = new JTabbedPane(JTabbedPane.TOP);
        panel.addTab(Translation.get("gb.general"), fieldsPanel);
        panel.addTab(Translation.get("gb.accessRestriction"), accessPanel);
        panel.addTab(Translation.get("gb.federation"), federationPanel);
 
        JButton createButton = new JButton(Translation.get("gb.save"));
        createButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                if (validateFields()) {
                    canceled = false;
                    setVisible(false);
                }
            }
        });
 
        JButton cancelButton = new JButton(Translation.get("gb.cancel"));
        cancelButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                canceled = true;
                setVisible(false);
            }
        });
 
        JPanel controls = new JPanel();
        controls.add(cancelButton);
        controls.add(createButton);
 
        final Insets _insets = new Insets(5, 5, 5, 5);
        JPanel centerPanel = new JPanel(new BorderLayout(5, 5)) {
 
            private static final long serialVersionUID = 1L;
 
            @Override
            public Insets getInsets() {
                return _insets;
            }
        };
        centerPanel.add(panel, BorderLayout.CENTER);
        centerPanel.add(controls, BorderLayout.SOUTH);
 
        getContentPane().setLayout(new BorderLayout(5, 5));
        getContentPane().add(centerPanel, BorderLayout.CENTER);
        pack();
    }
 
    private JPanel newFieldPanel(String label, JComponent comp) {
        JLabel fieldLabel = new JLabel(label);
        fieldLabel.setFont(fieldLabel.getFont().deriveFont(Font.BOLD));
        fieldLabel.setPreferredSize(new Dimension(150, 20));
        JPanel panel = new JPanel(new FlowLayout(FlowLayout.LEFT, 10, 0));
        panel.add(fieldLabel);
        panel.add(comp);
        return panel;
    }
 
    private boolean validateFields() {
        String rname = nameField.getText();
        if (StringUtils.isEmpty(rname)) {
            error("Please enter a repository name!");
            return false;
        }
 
        // automatically convert backslashes to forward slashes
        rname = rname.replace('\\', '/');
        // Automatically replace // with /
        rname = rname.replace("//", "/");
 
        // prohibit folder paths
        if (rname.startsWith("/")) {
            error("Leading root folder references (/) are prohibited.");
            return false;
        }
        if (rname.startsWith("../")) {
            error("Relative folder references (../) are prohibited.");
            return false;
        }
        if (rname.contains("/../")) {
            error("Relative folder references (../) are prohibited.");
            return false;
        }
 
        // confirm valid characters in repository name
        Character c = StringUtils.findInvalidCharacter(rname);
        if (c != null) {
            error(MessageFormat.format("Illegal character ''{0}'' in repository name!", c));
            return false;
        }
 
        // verify repository name uniqueness on create
        if (isCreate) {
            // force repo names to lowercase
            // this means that repository name checking for rpc creation
            // is case-insensitive, regardless of the Gitblit server's
            // filesystem
            if (repositoryNames.contains(rname.toLowerCase())) {
                error(MessageFormat.format(
                        "Can not create repository ''{0}'' because it already exists.", rname));
                return false;
            }
        } else {
            // check rename collision
            if (!repositoryName.equalsIgnoreCase(rname)) {
                if (repositoryNames.contains(rname.toLowerCase())) {
                    error(MessageFormat.format(
                            "Failed to rename ''{0}'' because ''{1}'' already exists.",
                            repositoryName, rname));
                    return false;
                }
            }
        }
 
        if (accessRestriction.getSelectedItem() == null) {
            error("Please select access restriction!");
            return false;
        }
 
        if (federationStrategy.getSelectedItem() == null) {
            error("Please select federation strategy!");
            return false;
        }
 
        repository.name = rname;
        repository.description = descriptionField.getText();
        repository.owner = ownerField.getSelectedItem() == null ? null : ownerField
                .getSelectedItem().toString();
        repository.useTickets = useTickets.isSelected();
        repository.useDocs = useDocs.isSelected();
        repository.showRemoteBranches = showRemoteBranches.isSelected();
        repository.showReadme = showReadme.isSelected();
        repository.skipSizeCalculation = skipSizeCalculation.isSelected();
        repository.isFrozen = isFrozen.isSelected();
 
        repository.accessRestriction = (AccessRestrictionType) accessRestriction.getSelectedItem();
        repository.federationStrategy = (FederationStrategy) federationStrategy.getSelectedItem();
 
        if (repository.federationStrategy.exceeds(FederationStrategy.EXCLUDE)) {
            repository.federationSets = setsPalette.getSelections();
        }
        return true;
    }
 
    private void error(String message) {
        JOptionPane.showMessageDialog(EditRepositoryDialog.this, message,
                Translation.get("gb.error"), JOptionPane.ERROR_MESSAGE);
    }
 
    public void setUsers(String owner, List<String> all, List<String> selected) {
        ownerField.setModel(new DefaultComboBoxModel(all.toArray()));
        if (!StringUtils.isEmpty(owner)) {
            ownerField.setSelectedItem(owner);
        }
        usersPalette.setObjects(all, selected);
    }
 
    public void setRepositories(List<RepositoryModel> repositories) {
        repositoryNames.clear();
        for (RepositoryModel repository : repositories) {
            // force repo names to lowercase
            // this means that repository name checking for rpc creation
            // is case-insensitive, regardless of the Gitblit server's
            // filesystem
            repositoryNames.add(repository.name.toLowerCase());
        }
    }
 
    public void setFederationSets(List<String> all, List<String> selected) {
        setsPalette.setObjects(all, selected);
    }
 
    public RepositoryModel getRepository() {
        if (canceled) {
            return null;
        }
        return repository;
    }
 
    public List<String> getPermittedUsers() {
        return usersPalette.getSelections();
    }
 
    /**
     * ListCellRenderer to display descriptive text about the access
     * restriction.
     * 
     */
    private class AccessRestrictionRenderer extends JLabel implements ListCellRenderer {
 
        private static final long serialVersionUID = 1L;
 
        @Override
        public Component getListCellRendererComponent(JList list, Object value, int index,
                boolean isSelected, boolean cellHasFocus) {
            if (value instanceof AccessRestrictionType) {
                AccessRestrictionType restriction = (AccessRestrictionType) value;
                switch (restriction) {
                case NONE:
                    setText(Translation.get("gb.notRestricted"));
                    break;
                case PUSH:
                    setText(Translation.get("gb.pushRestricted"));
                    break;
                case CLONE:
                    setText(Translation.get("gb.cloneRestricted"));
                    break;
                case VIEW:
                    setText(Translation.get("gb.viewRestricted"));
                    break;
                }
            } else {
                setText(value.toString());
            }
            return this;
        }
    }
 
    /**
     * ListCellRenderer to display descriptive text about the federation
     * strategy.
     */
    private class FederationStrategyRenderer extends JLabel implements ListCellRenderer {
 
        private static final long serialVersionUID = 1L;
 
        @Override
        public Component getListCellRendererComponent(JList list, Object value, int index,
                boolean isSelected, boolean cellHasFocus) {
            if (value instanceof FederationStrategy) {
                FederationStrategy strategy = (FederationStrategy) value;
                switch (strategy) {
                case EXCLUDE:
                    setText(Translation.get("gb.excludeFromFederation"));
                    break;
                case FEDERATE_THIS:
                    setText(Translation.get("gb.federateThis"));
                    break;
                case FEDERATE_ORIGIN:
                    setText(Translation.get("gb.federateOrigin"));
                    break;
                }
            } else {
                setText(value.toString());
            }
            return this;
        }
    }
}