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vran-devvran-dev
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release version 0.0.2
1 parent 69c8125 commit 6c565a1

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‎README.md

+17-3
Original file line numberDiff line numberDiff line change
@@ -19,20 +19,34 @@ java -jar PrettyZoo.jar
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2020
- [x] support dynamic update view
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22-
- [x] support update node data
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- [ ] different nodes by style
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26-
- [ ] support CRD node
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- [x] support `CRUD` node
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- [ ] remember history server and auto suggestion
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- [ ] support ACL
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- [ ] error log
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- [ ] optmize user experience
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## Example
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### connect zookeeper
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![](release/example/connectView.jpg)
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### show node tree
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![](release/example/mainView.jpg)
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### delete node
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![](release/example/deleteLeafNode.jpg)
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### add node
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![](release/example/addNode-01.jpg)
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![](release/example/addNode-02.jpg)

‎build.gradle

+1-1
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ plugins {
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}
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group 'cc.c1234'
8-
version '0.0.1-SNAPSHOT'
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version '0.0.2'
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sourceCompatibility = 1.8
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‎release/PrettyZoo-0.0.1-SNAPSHOT.jar renamed to ‎release/PrettyZoo-0.0.2.jar

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‎release/example/addNode-01.jpg

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‎release/example/addNode-02.jpg

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‎release/example/deleteLeafNode.jpg

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‎src/main/java/cc/cc1234/main/controller/AddNodeViewController.java

+99
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@@ -0,0 +1,99 @@
1+
package cc.cc1234.main.controller;
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import javafx.application.Platform;
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import javafx.fxml.FXML;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Scene;
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import javafx.scene.control.CheckBox;
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import javafx.scene.control.Label;
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import javafx.scene.control.TextArea;
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import javafx.scene.control.TextField;
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import javafx.scene.layout.AnchorPane;
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import javafx.stage.Stage;
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import org.apache.curator.framework.CuratorFramework;
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import org.apache.zookeeper.CreateMode;
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import java.io.IOException;
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public class AddNodeViewController {
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@FXML
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private TextField nodeNameTextField;
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@FXML
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private TextArea nodeDataTextArea;
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@FXML
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private CheckBox isNodeSeq;
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@FXML
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private CheckBox isNodeEph;
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@FXML
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private Label parentPathLabel;
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private CuratorFramework curatorFramework;
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private Stage stage;
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public static void initController(String parentPath, CuratorFramework curatorFramework) throws IOException {
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String fxml = "AddNodeView.fxml";
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final FXMLLoader loader = new FXMLLoader();
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loader.setLocation(AddNodeViewController.class.getResource(fxml));
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AnchorPane panel = loader.load();
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final AddNodeViewController controller = loader.getController();
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controller.setCuratorFramework(curatorFramework);
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controller.setParentPath(parentPath);
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final Scene scene = new Scene(panel);
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final Stage stage = new Stage();
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stage.setScene(scene);
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controller.setStage(stage);
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stage.showAndWait();
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}
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public void setParentPath(String parentPath) {
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this.parentPathLabel.setText(parentPath);
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}
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public void setStage(Stage stage) {
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this.stage = stage;
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}
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public void setCuratorFramework(CuratorFramework curatorFramework) {
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this.curatorFramework = curatorFramework;
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}
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@FXML
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private void onNodeAddAction() {
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final String nodeName = nodeNameTextField.getText();
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final String nodeData = nodeDataTextArea.getText();
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try {
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String path = parentPathLabel.getText() + "/" + nodeName;
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curatorFramework.create()
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.withMode(createMode())
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// must use Platform to close stage
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.inBackground(((client, event) -> Platform.runLater(() -> stage.close())))
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.forPath(path, nodeData.getBytes());
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} catch (Exception e) {
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throw new IllegalStateException(e);
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}
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}
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private CreateMode createMode() {
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if (isNodeSeq.isSelected() && isNodeEph.isSelected()) {
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return CreateMode.EPHEMERAL_SEQUENTIAL;
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}
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if (isNodeSeq.isSelected()) {
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return CreateMode.PERSISTENT_SEQUENTIAL;
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}
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if (isNodeEph.isSelected()) {
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return CreateMode.EPHEMERAL;
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}
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// TODO how to support CreateMode.CONTAINER ?
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return CreateMode.PERSISTENT;
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}
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}

‎src/main/java/cc/cc1234/main/controller/NodeTreeViewController.java

+99-12
Original file line numberDiff line numberDiff line change
@@ -11,6 +11,7 @@
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import org.apache.curator.framework.recipes.cache.TreeCacheListener;
1212
import org.apache.zookeeper.data.Stat;
1313

14+
import java.io.IOException;
1415
import java.util.Map;
1516
import java.util.concurrent.ConcurrentHashMap;
1617
import java.util.concurrent.atomic.AtomicInteger;
@@ -86,6 +87,7 @@ private void initialize() {
8687
initTreeItemListener();
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// create virtual root item
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initVirtualRoot("/");
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zkNodeTreeView.setCellFactory(view -> new TreeCellImpl());
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}
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public void viewInit(CuratorFramework client) {
@@ -112,6 +114,8 @@ private void initTreeItemListener() {
112114
private void initVirtualRoot(String root) {
113115
final ZkNode zkNode = new ZkNode(root, root);
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TreeItem<ZkNode> virtualRoot = new TreeItem<>(zkNode);
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zkNode.setData("");
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zkNode.setStat(new Stat());
115119
treeItemMap.put(root, virtualRoot);
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zkNodeTreeView.setRoot(virtualRoot);
117121
}
@@ -194,18 +198,35 @@ private void onNodeAdded(CuratorFramework client, TreeCacheEvent event) {
194198
}
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196200
private void showStat(Stat stat) {
197-
this.ctimeLabel.setText(String.valueOf(stat.getCtime()));
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this.mtimeLabel.setText(String.valueOf(stat.getMtime()));
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this.numChildrenLabel.setText(String.valueOf(stat.getNumChildren()));
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this.aclVersionLabel.setText(String.valueOf(stat.getAversion()));
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this.cversionLabel.setText(String.valueOf(stat.getCversion()));
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this.cZxidLabel.setText(String.valueOf(stat.getCzxid()));
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this.mZxidLabel.setText(String.valueOf(stat.getMzxid()));
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this.pZxidLabel.setText(String.valueOf(stat.getPzxid()));
206-
this.dataLengthLabel.setText(String.valueOf(stat.getDataLength()));
207-
this.dataVersionLabel.setText(String.valueOf(stat.getVersion()));
208-
this.ephemeralOwnerLabel.setText(String.valueOf(stat.getEphemeralOwner()));
201+
if (stat == null) {
202+
setDefaultValue();
203+
} else {
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this.ctimeLabel.setText(String.valueOf(stat.getCtime()));
205+
this.mtimeLabel.setText(String.valueOf(stat.getMtime()));
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this.numChildrenLabel.setText(String.valueOf(stat.getNumChildren()));
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this.aclVersionLabel.setText(String.valueOf(stat.getAversion()));
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this.cversionLabel.setText(String.valueOf(stat.getCversion()));
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this.cZxidLabel.setText(String.valueOf(stat.getCzxid()));
210+
this.mZxidLabel.setText(String.valueOf(stat.getMzxid()));
211+
this.pZxidLabel.setText(String.valueOf(stat.getPzxid()));
212+
this.dataLengthLabel.setText(String.valueOf(stat.getDataLength()));
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this.dataVersionLabel.setText(String.valueOf(stat.getVersion()));
214+
this.ephemeralOwnerLabel.setText(String.valueOf(stat.getEphemeralOwner()));
215+
}
216+
}
217+
218+
private void setDefaultValue() {
219+
this.ctimeLabel.setText("");
220+
this.mtimeLabel.setText("");
221+
this.numChildrenLabel.setText("");
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this.aclVersionLabel.setText("");
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this.cversionLabel.setText("");
224+
this.cZxidLabel.setText("");
225+
this.mZxidLabel.setText("");
226+
this.pZxidLabel.setText("");
227+
this.dataLengthLabel.setText("");
228+
this.dataVersionLabel.setText("");
229+
this.ephemeralOwnerLabel.setText("");
209230
}
210231

211232
private void showData(String data) {
@@ -220,4 +241,70 @@ private void updateDataAction() {
220241
throw new IllegalStateException(e);
221242
}
222243
}
244+
245+
final class TreeCellImpl extends TreeCell<ZkNode> {
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247+
private ContextMenu operationMenus;
248+
249+
private final MenuItem deleteMenu;
250+
251+
private final MenuItem addMenu;
252+
253+
254+
TreeCellImpl() {
255+
deleteMenu = new MenuItem("Delete");
256+
deleteMenu.setOnAction(event -> {
257+
try {
258+
curatorFramework.delete().forPath(getTreeItem().getValue().getPath());
259+
} catch (Exception e) {
260+
throw new IllegalStateException(e);
261+
}
262+
});
263+
264+
// TODO @vran add action
265+
addMenu = new MenuItem("Add");
266+
addMenu.setOnAction(event -> {
267+
try {
268+
AddNodeViewController.initController(getTreeItem().getValue().getPath(), curatorFramework);
269+
} catch (IOException e) {
270+
throw new IllegalStateException(e);
271+
}
272+
});
273+
operationMenus = new ContextMenu();
274+
}
275+
276+
@Override
277+
protected void updateItem(ZkNode item, boolean empty) {
278+
super.updateItem(item, empty);
279+
if (empty || item == null) {
280+
setText(null);
281+
setGraphic(null);
282+
} else {
283+
setText(item.getName());
284+
final TreeItem<ZkNode> treeItem = getTreeItem();
285+
setGraphic(treeItem.getGraphic());
286+
setContextMenu(operationMenus);
287+
288+
if (item.getStat() != null && item.getStat().getEphemeralOwner() == 0) {
289+
addIfAbsent(addMenu);
290+
} else {
291+
operationMenus.getItems().remove(addMenu);
292+
}
293+
294+
// add delete menu for leaf node
295+
if (treeItem.isLeaf() && treeItem.getParent() != null) {
296+
addIfAbsent(deleteMenu);
297+
} else {
298+
operationMenus.getItems().remove(deleteMenu);
299+
}
300+
301+
}
302+
}
303+
304+
private void addIfAbsent(MenuItem menuItem) {
305+
if (!operationMenus.getItems().contains(menuItem)) {
306+
operationMenus.getItems().add(menuItem);
307+
}
308+
}
309+
}
223310
}

‎src/main/resources/cc/cc1234/main/controller/AddNodeView.fxml

+23
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@@ -0,0 +1,23 @@
1+
<?xml version="1.0" encoding="UTF-8"?>
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3+
<?import javafx.scene.paint.*?>
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<?import javafx.scene.text.*?>
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<?import javafx.geometry.*?>
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<?import java.lang.*?>
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<?import java.util.*?>
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<?import javafx.scene.*?>
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<?import javafx.scene.control.*?>
10+
<?import javafx.scene.layout.*?>
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12+
13+
<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="cc.cc1234.main.controller.AddNodeViewController">
14+
<children>
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<TextField fx:id="nodeNameTextField" layoutX="170.0" layoutY="53.0" prefHeight="27.0" prefWidth="251.0" promptText="input node name here" AnchorPane.leftAnchor="170.0" AnchorPane.rightAnchor="170.0" AnchorPane.topAnchor="53.0" />
16+
<CheckBox fx:id="isNodeSeq" layoutX="170.0" layoutY="99.0" mnemonicParsing="false" text="Sequence" AnchorPane.leftAnchor="170.0" />
17+
<CheckBox fx:id="isNodeEph" layoutX="335.0" layoutY="99.0" mnemonicParsing="false" text="Ephemeral" AnchorPane.rightAnchor="170.0" />
18+
<TextArea fx:id="nodeDataTextArea" layoutX="170.0" layoutY="144.0" prefHeight="200.0" prefWidth="260.0" promptText="Input node data here" wrapText="true" AnchorPane.leftAnchor="170.0" AnchorPane.rightAnchor="170.0" AnchorPane.topAnchor="144.0" />
19+
<Button contentDisplay="CENTER" layoutX="255.0" layoutY="352.0" mnemonicParsing="false" onAction="#onNodeAddAction" text="Add" AnchorPane.leftAnchor="250.0" AnchorPane.rightAnchor="250.0" />
20+
<Label fx:id="parentPathLabel" contentDisplay="CENTER" graphicTextGap="5.0" layoutX="224.0" layoutY="14.0" prefHeight="17.0" prefWidth="205.0" textFill="#f0371a" />
21+
<Label layoutX="161.0" layoutY="14.0" text="Parent" AnchorPane.leftAnchor="170.0" />
22+
</children>
23+
</AnchorPane>

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