Есть расширенный класс ноды:
| Код |
class TestObject extends DefaultMutableTreeNode implements Comparable<TestObject>{
private SystemTree tree;
private int id;
private boolean root; //Свойство показывает, что элемент не обладает никаким типом и
//является всего-лиь корнем дерева.
/*
*int objectType:
*0 - Theme
*1 - Series
*2 - Question
*3 - Answer
*4 - root
*/
private int objectType;
public static int THEME = 0;
public static int SERIES = 1;
public static int QUESTION = 2;
public static int ANSWER = 3;
public static int ROOT = 4;
/*
*int type(applying for question and answer only)
* for question
* 0 - one-from-lot
* 1 - some-from-lot
* 2 - user-variant
* for answer
* 0 - false
* 1 - true
*
* other -4 (THEME and SERIES only)
*/
private int type;
private boolean publish;
private String name, description;
/*
*@param SystemTree tree.
*@param int objectType.
*@param String name.
*@param String Description.
*@param int type.
*@param boolean publish.
*/
public TestObject(SystemTree tree, int objectType, String name, String description, int type, boolean publish){
super();
if(objectType!=4){
this.tree = tree;
this.objectType = objectType;
this.name = name;
this.type = type;
this.publish = publish;
if(objectType==0){
this.id = tree.getThemeId();
this.description = description;
}
else if(objectType==1){
this.id=tree.getSeriesId();
this.description = description;
}
else if(objectType==2)
this.id = tree.getQuestionId();
else if(objectType==3)
this.id = tree.getAnswerId();
}
else{
super.setUserObject(name);
this.objectType = objectType;
this.type = 4;
}
}
/*
*@param SystemTree tree.
*@param int objectType.
*@param String name.
*@param int type.
*@param boolean publish.
*/
public TestObject(SystemTree tree, int objectType, String name, int type, boolean publish){
this(tree, objectType, name, "", type, publish);
}
/*
*@param SystemTree tree.
*@param int objectType.
*@param String name.
*@param int type.
*/
public TestObject(SystemTree tree, int objectType, String name, int type){
this(tree, objectType, name, "", 4, false);
}
public int getId(){
return this.id;
}
public int getObjectType(){
return this.objectType;
}
public String getObjectTypeString(){
if(this.objectType==0)
return "theme";
else if(this.objectType==1)
return "series";
else if(this.objectType==2)
return "question";
else
return "answer";
}
public int getType(){
if(this.objectType==2||this.objectType==3)
return this.type;
else
return 100;
}
public String getTypeString(){
if(this.objectType==2){
if(this.type==0)
return "one-from-lot";
else if(this.type==1)
return "some-from-lot";
else if(this.type==2)
return "user-variant";
}
else if(this.objectType==3){
if(this.type==0)
return "false";
else
return "true";
}
else{
return "";
}
return "";
}
public String getName(){
return this.name;
}
public void setName(String name){
this.name = name;
}
public String getDescription(){
if(this.objectType==2||this.objectType==3)
return "";
else
return this.description;
}
public void setDescription(String description){
this.description = description;
}
public boolean isPublish(){
return this.publish;
}
public void setPublish(boolean publish){
this.publish = publish;
}
public boolean isRoot(){
return this.root;
}
public void setRoot(boolean param){
this.root = param;
}
/*
*Описываем компаратор
*Если тип неравен - возвращаем отрицательное значение
*Если тип равен но неравен id - положительное.
**/
public int compareTo(TestObject obj){
if(this.getObjectType()!=obj.getObjectType()){
return -1;
}
else{
if(this.getId()!=obj.getId())
return 1;
else
return 0;
}
}
}
|
и расширенный класс дерева
c| Код |
lass SystemTree extends JTree{
private int themeId = 0;
private int seriesId = 0;
private int questionId = 0;
private int answerId = 0;
private TestObject currentObject;
private MainPanel mainPanel;
public SystemTree(MainPanel containerEditor){
super();
DefaultTreeModel temp = (DefaultTreeModel)this.getDefaultTreeModel();
temp.setRoot(new TestObject(this, TestObject.ROOT, "Тесты", 4));
this.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
//this.addTreeSelectionListener(new TreeSelectHandler(this));
this.setToggleClickCount(5000);
this.mainPanel = containerEditor;
}
public int getThemeId(){
this.themeId++;
return this.themeId;
}
public int getSeriesId(){
this.seriesId++;
return this.seriesId;
}
public int getQuestionId(){
this.questionId++;
return this.questionId;
}
public int getAnswerId(){
this.answerId++;
return this.answerId;
}
public TestObject getCurrentObject(){
return this.currentObject;
}
public void setCurrentObject(TestObject obj){
this.currentObject = obj;
}
public boolean DeleteTheme(int themeId){
return false;
}
public boolean DeleteSeries(int seriesId){
return false;
}
public boolean DeleteQuestion(int questionId){
return false;
}
public boolean DeleteAnswer(int answerId){
return false;
}
public MainPanel getMainPanel(){
return this.mainPanel;
}
/*
*Функция сбрасывает все текущие объекты
*/
public void resetCurrentObjects(){
this.currentObject = null;
}
}
|
Вот здесь ничего не получается:
| Код |
public SystemTree(MainPanel containerEditor){
super();
DefaultTreeModel temp = (DefaultTreeModel)this.getDefaultTreeModel();
temp.setRoot(new TestObject(this, TestObject.ROOT, "Тесты", 4));
this.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
//this.addTreeSelectionListener(new TreeSelectHandler(this));
this.setToggleClickCount(5000);
this.mainPanel = containerEditor;
}
|
Код компилица без ошибок и предупреждений, но создаётся дерево не с моей нодой в качестве корневой, а с набором, как я понял, демо-узлов (colors, sports, food).
В общем вопрос: как правильно вставить узел в ПУСТОЕ дерево при его создании. Не передавая узел как аргумент конструктору. |
