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Starting to build UI
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‎modules/Neo4jPlugin/README.md‎

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## Neo4J plugin
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## Neo4j plugin
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This README supports Markdown, see [syntax](https://help.github.com/articles/markdown-basics/)
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This plugin allows you to import a network from Neo4j database 4.X.
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Three modes are available :
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- Import the full database
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- Import just a set of node labels and relationship types
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- Import by specifying a query for nodes and edges
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‎modules/Neo4jPlugin/src/main/java/org/gephi/plugins/neo4j/importer/Neo4jDatabaseImporter.java‎

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@@ -86,10 +86,34 @@ public class Neo4jDatabaseImporter implements WizardImporter, LongTask {
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private String edgeQuery;
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/**
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* Neo4J driver instance.
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* Neo4j driver instance.
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*/
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private Driver driver;
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public static void checkConnection(String url, String username, String password, String dbName) {
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Driver driver = GraphDatabase.driver(url, password != null ? AuthTokens.basic(username, password) : AuthTokens.none());
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try {
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driver.verifyConnectivity();
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driver.session(dbName != null ? SessionConfig.forDatabase(dbName) : SessionConfig.defaultConfig()).run("RETURN 1");
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} catch (Exception e) {
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throw e;
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} finally {
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driver.close();
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}
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}
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public static void checkQuery(String url, String username, String password, String dbName, String query) {
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Driver driver = GraphDatabase.driver(url, password != null ? AuthTokens.basic(username, password) : AuthTokens.none(), Config.builder().withFetchSize(5).build());
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try {
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driver.session(dbName != null ? SessionConfig.forDatabase(dbName) : SessionConfig.defaultConfig()).run(query);
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} catch (Exception e) {
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throw e;
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} finally {
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driver.close();
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}
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}
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@Override
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public boolean execute(ContainerLoader containerLoader) {
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this.container = containerLoader;

‎modules/Neo4jPlugin/src/main/java/org/gephi/plugins/neo4j/importer/ui/Neo4jDatabaseImporterConnectionPanel.form‎

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<?xml version="1.0" encoding="UTF-8"?>
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<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.gephi.plugins.neo4j.importer.ui.Neo4jDatabaseImporterConnectionPanel">
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<grid id="27dc6" layout-manager="GridLayoutManager" row-count="7" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="20" left="20" bottom="20" right="20"/>
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<constraints>
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<xy x="20" y="20" width="500" height="400"/>
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</constraints>
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<properties/>
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<border type="none"/>
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<children>
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<component id="8ebfa" class="javax.swing.JTextField" binding="dbUrl">
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<constraints>
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<grid row="2" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties>
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<text value="neo4j://localhost"/>
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</properties>
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</component>
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<component id="ae5ba" class="javax.swing.JLabel" binding="dbUrlLabel">
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<constraints>
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<grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<labelFor value="8ebfa"/>
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<text value="URL"/>
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</properties>
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</component>
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<component id="7485a" class="javax.swing.JTextField" binding="dbUsername">
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<constraints>
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<grid row="4" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties>
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<text value="neo4j"/>
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</properties>
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</component>
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<component id="85717" class="javax.swing.JPasswordField" binding="dbPassword">
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<constraints>
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<grid row="5" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="d769d" class="javax.swing.JLabel" binding="dbUsernameLabel">
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<constraints>
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<grid row="4" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<labelFor value="7485a"/>
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<text value="Username"/>
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</properties>
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</component>
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<component id="4b830" class="javax.swing.JLabel" binding="dbPasswordLabel">
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<constraints>
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<grid row="5" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<labelFor value="85717"/>
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<text value="Password"/>
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</properties>
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</component>
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<component id="8ed5c" class="javax.swing.JButton" binding="checkConnectivity">
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<constraints>
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<grid row="6" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<enabled value="true"/>
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<text value="Check connectivity"/>
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</properties>
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</component>
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<component id="56259" class="javax.swing.JLabel" binding="dbNameLabel">
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<constraints>
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<grid row="3" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<labelFor value="397ee"/>
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<text value="Database"/>
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</properties>
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</component>
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<component id="397ee" class="javax.swing.JTextField" binding="dbName">
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<constraints>
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<grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="-1"/>
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</grid>
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</constraints>
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<properties>
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<text value="neo4j"/>
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</properties>
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</component>
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<component id="e0a53" class="javax.swing.JLabel" binding="error">
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<constraints>
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<grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<enabled value="true"/>
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<foreground color="-65536"/>
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<text value="Label"/>
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<visible value="false"/>
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</properties>
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</component>
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<component id="b8544" class="javax.swing.JLabel" binding="success">
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<constraints>
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<grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<foreground color="-16711936"/>
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<text value="Connection successful"/>
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<visible value="false"/>
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</properties>
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</component>
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</children>
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</grid>
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</form>

‎modules/Neo4jPlugin/src/main/java/org/gephi/plugins/neo4j/importer/ui/Neo4jDatabaseImporterConnectionPanel.java‎

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package org.gephi.plugins.neo4j.importer.ui;
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import org.gephi.plugins.neo4j.importer.Neo4jDatabaseImporter;
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import javax.swing.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public class Neo4jDatabaseImporterConnectionPanel extends javax.swing.JPanel {
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private JTextField dbUrl;
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private JLabel dbUrlLabel;
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private JTextField dbUsername;
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private JPasswordField dbPassword;
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private JLabel dbUsernameLabel;
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private JLabel dbPasswordLabel;
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private JButton checkConnectivity;
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private JTextField dbName;
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private JLabel dbNameLabel;
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private JLabel error;
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private JLabel success;
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public Neo4jDatabaseImporterConnectionPanel() {
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checkConnectivity.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent event) {
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checkConnectivity.setEnabled(false);
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dbUsername.setEnabled(false);
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dbPassword.setEnabled(false);
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dbUrl.setEnabled(false);
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dbName.setEnabled(false);
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try {
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error.setVisible(false);
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success.setVisible(false);
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// TODO: need to check inputs
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Neo4jDatabaseImporter.checkConnection(dbUrl.getText(), dbUsername.getText(), dbPassword.getText(), dbName.getText());
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success.setVisible(true);
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} catch (Exception e) {
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error.setVisible(true);
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error.setText(e.getMessage());
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}
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finally {
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checkConnectivity.setEnabled(true);
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dbUsername.setEnabled(true);
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dbPassword.setEnabled(true);
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dbUrl.setEnabled(true);
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dbName.setEnabled(true);
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}
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}
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});
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}
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}

‎modules/Neo4jPlugin/src/main/java/org/gephi/plugins/neo4j/importer/ui/Neo4jDatabaseImporterConnectionWizard.java‎

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package org.gephi.plugins.neo4j.importer.ui;
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import org.openide.WizardDescriptor;
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import org.openide.util.HelpCtx;
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import javax.swing.event.ChangeListener;
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import java.awt.*;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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public class Neo4jDatabaseImporterConnectionWizard implements WizardDescriptor.Panel<WizardDescriptor>, PropertyChangeListener {
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private Neo4jDatabaseImporterConnectionPanel component = new Neo4jDatabaseImporterConnectionPanel();
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@Override
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public void propertyChange(PropertyChangeEvent evt) {
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}
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@Override
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public Component getComponent() {
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return this.component;
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}
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@Override
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public HelpCtx getHelp() {
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return null;
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}
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@Override
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public void readSettings(WizardDescriptor settings) {
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}
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@Override
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public void storeSettings(WizardDescriptor settings) {
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}
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@Override
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public boolean isValid() {
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return false;
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}
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@Override
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public void addChangeListener(ChangeListener l) {
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}
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@Override
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public void removeChangeListener(ChangeListener l) {
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}
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}

‎modules/Neo4jPlugin/src/main/java/org/gephi/plugins/neo4j/importer/ui/Neo4jDatabaseImporterQueriesPanel.form‎

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<?xml version="1.0" encoding="UTF-8"?>
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<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.gephi.plugins.neo4j.importer.ui.Neo4jDatabaseImporterQueriesPanel">
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<grid id="27dc6" layout-manager="GridLayoutManager" row-count="4" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
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<margin top="0" left="0" bottom="0" right="0"/>
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<constraints>
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<xy x="20" y="20" width="470" height="400"/>
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</constraints>
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<properties/>
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<border type="none"/>
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<children>
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<component id="3631c" class="javax.swing.JLabel" binding="nodeQueryLabel">
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<constraints>
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<grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="9" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<labelFor value="f2b76"/>
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<text value="Node query"/>
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<toolTipText value="Query MUST returns an `id` column "/>
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</properties>
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</component>
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<component id="39dc4" class="javax.swing.JButton" binding="checkNodeQUeryButton">
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<constraints>
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<grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Check"/>
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</properties>
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</component>
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<component id="c6de5" class="javax.swing.JLabel" binding="edgeQueryLabel">
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<constraints>
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<grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="9" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<labelFor value="ca361"/>
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<text value="Edge query"/>
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</properties>
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</component>
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<component id="f2b76" class="javax.swing.JTextArea" binding="nodeQuery">
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<constraints>
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<grid row="0" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="6" anchor="0" fill="3" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="50"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="ca361" class="javax.swing.JTextArea" binding="edgeQuery">
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<constraints>
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<grid row="2" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="6" anchor="0" fill="3" indent="0" use-parent-layout="false">
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<preferred-size width="150" height="50"/>
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</grid>
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</constraints>
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<properties/>
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</component>
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<component id="59801" class="javax.swing.JButton" binding="checkEdgeQueryButton">
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<constraints>
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<grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="4" fill="0" indent="0" use-parent-layout="false"/>
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</constraints>
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<properties>
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<text value="Check"/>
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</properties>
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</component>
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</children>
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</grid>
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</form>

‎modules/Neo4jPlugin/src/main/java/org/gephi/plugins/neo4j/importer/ui/Neo4jDatabaseImporterQueriesPanel.java‎

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package org.gephi.plugins.neo4j.importer.ui;
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import javax.swing.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public class Neo4jDatabaseImporterQueriesPanel extends javax.swing.JPanel {
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private JLabel nodeQueryLabel;
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private JButton checkNodeQUeryButton;
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private JLabel edgeQueryLabel;
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private JTextArea nodeQuery;
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private JTextArea edgeQuery;
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private JButton checkEdgeQueryButton;
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public Neo4jDatabaseImporterQueriesPanel() {
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checkNodeQUeryButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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}
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});
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checkEdgeQueryButton.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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}
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});
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}
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}

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