JavaFX 2.0 :: How To Make Object Property Causes ListChangeListener
May 13, 2014
I have a Die class that extends Label. It has a SimpleIntegerProperty called faceValue. In another class I have an ObservableArrayList of Die called dice and a FilteredList of all the die in dice with a faceValue of 2. The Problem is that when I update the faceValue (ie. roll()) the filteredlist doesn't update with the Die that faceValue=2. I believe the reason is that the filteredlist updates when a ListChangeListener is fired. If i add, subtract elements from dice I don't have a problem but how do I make it so that updating the faceValue on the die counts as a ListChange, or is there even a way to do that.
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Jun 22, 2014
How can I check if a property got already a listener?
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Oct 12, 2014
I have got the code listed below:
class Address {
String name;
String street;
String city;
String state;
String code;
Address (String n,String s, String c, String st, String cd){
[code]....
Using JDK7 is there a way to get an object that has got a specific property from the collection? For instance, I might want to seek if there is an Address containg "Tim Carlton" in the ArrayList.
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Jun 16, 2014
In the SceneBuilder properties panels (part of Inspector pane) there are nice subheaders - separated by horizontal lines with a decent gradient in the background. I've tried to investigate the SceneBuilder source code at [URL] …, but I haven't found the proper file where this subheader is defined and styled.
I'd like to use similar subheaders in my app and why to reinvent the wheel...
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Jul 31, 2014
I'm facing a problem in below scenario:
List lst = tDAO.executeReport();
lst contains list of objects and one of the objects contains the property bDate(Timestamp) which has the value 28-2-1989 00:00:00.0, now I just wants to change the value into 28-2-1989 and store it back into the List as a Timestamp. how can I do that.
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May 13, 2014
I made a simple test case using a ListView<String>.:
@FXML
ListView<String> listView2;
@Override
public void initialize(URL arg0, ResourceBundle arg1) {
listView2.getItems().clear();
[Code] ....
Using Java8 I see that I see this wrong behavior:
select 3 elements from the list: you'll see the log of the ChangeListener that tell you every time all items selected
remove 1 element from previous selection: you will not receive the notification!!!
remove the other two elements: only when the selection is empty you will see a new notification from changeListener...
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Jan 12, 2011
In a project I'm ivolved in I have to dynamically add some components. All was going well until I had to generate data tables dynamically. I'm iterating a list of "SomeObject" and when I try to access a property of that object Glassfish tells me that object doesn't have such a property that is readable. I have getters for those properties and SomeObject implements Serializable as well. I used BalusC resources but I'm having no luck.
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Oct 10, 2014
Is it possible to validate the input of a TextField that ist bound to a Property before both values are updated? Following is an example of my problem .....
In my model, there is a SimpleDoubleProperty discount. As you can see, there is some validation logic in the method setDiscount that might be used by other parts of the model.
public class Model {
private DoubleProperty discount = new SimpleDoubleProperty();
public DoubleProperty DiscountProperty() {
return discount;
[Code] ....
My Main class has a Textfield that is bound to the discount-property, a button to put the current value of the discount-property to console and a button to call the setDiscount-method ......
public class Main extends Application {
@Override
public void start(Stage primaryStage) {
try {
Model model = new Model();
BorderPane root = new BorderPane();
Scene scene = new Scene(root,100,100);
[Code] .....
By using the bidirectional Binding between the TextField and the discount-Property, the setter in the model is never called and therefore there is no validation of the input value. When calling the setter programatically with the second button, everything works as expected.
I experimented with neglecting the Binding and using ChangeListeners for both the TextField and the discount-Property but only produced infinte loops when both listeners triggered each other alternating.
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Jun 5, 2014
I try to bind the text-property of a selected cell of a TreeView to a label. So if the user click on a cell in the treeview the label should show the cell text. Now I am quite confused about the options I got to do so. Should I use label.textProperty().bind( ... ??? ... ) The treeview.onMouseClicked()property? or something different?
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Mar 27, 2015
can a keyevent in java make the space ship and the laser too ?
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Jun 26, 2014
So i have a problem i want to make a menu that allows you to press 1 and then make lets say a Car,
The code would look like
Car car = new Car();
And then add to my list
cars.add(car);
If in my menu the person presses 1 again, will they add another car or will it override it
Also: how can i make a menu that doesnt allow you to press option 5 (something that requires you something that should be registered in other options ), until you registered them?
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Sep 27, 2014
I have a TextArea and want to set a linear-gradient as background, which works fine:
.text-area {
-fx-background-color: linear-gradient(to bottom, red 0%, blue 100%);
}
The problem is that if the TextArea contains much text (and long scrollbars) it is nearly only red. Only if you scroll down to the bottom, it becomes blue.
I want the red-blue gradient always look the same, no matter how much text there is.
In HTML there's something like background-attachment: fixed, which would do the trick, but not so in JavaFX.
Can I achieve it nonetheless. Preferably without any ugly workarounds, like a transparent TextArea within another Pane where the wrapping Pane has the gradient.
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Jun 25, 2013
I want to make a simply game,actualy not a game but I want to moving object curve just like angry bird. Where I can move an object with curve motion. But I don't know how. I just can make it move straight(left,right,down,up).
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Feb 23, 2014
i have this following codes and im trying to make a java program that calls an object value initialized.
public class TestClass
{
public String name;
public int age;
public void myMessage()
{
System.out.println("Hello I'm" + name + "and i'm" + age + "years old");
}
}
what i want is to put the following codes of the object.. so once i compile and run the project it executes the value of an object from the method i defined above.
TestClass myName = new TestClass();
myName.name = "Jefferson";
myName.age = 18;
my question is, it is possible to declare or define it in the same project? or i need to do this separately?
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Jun 25, 2014
I noticed that all my stages can be resized to zero size regardless of their contained scene, which is very ugly. How do I keep them from doing that? Is there some sort of intelligent way to bind the stage's min size to the size of the scene so that no part of the scene is cut off?
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May 28, 2014
When i press a button, i want to create a new object in my window(that i have created using scenbuilder, so i have a FXML file and a Controller class). In the window where i have a create button, there are also some textfields where you are supposed to enter name and date.
What i want to do is take the input from the TextField and store is temporally in a String variable, Its this strings i want to take the data from when i create a new object on my View. When i try to do something with the TextFields i get multiple errors that i dont understand at all.
I know my code may be very un-structured the absolute right way, i know, but i dont have time reconstructing and trying to understanding new patterns .The object is the circle and the vertical line.
TimelineMainView Controller
public class TimelineController{
StageClass sc = new StageClass();
NewTimelineController nt = new NewTimelineController();
[code]....
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Jun 18, 2014
We are doing a Timeline project, So this is what i want to do:
Pressing a "New Event" button opens the New event window where you are supposed to write input in three fields, name, date, and information. There is also a button "Create" that when i press that button, i want to take all the input from the fields and save/send it to our database, and go back to the timeline GUI. With this, i want a new event object to be created(in this case i have done several shapes in a group) so basically a new group i want to be added. All the information is suppose to be taken from the database right after i create it.
I'm pretty stuck on how i should solve this, for the moment have a group called event that i add on the canvas. First thing that pops up in my head is a void method that draws the event, or maybe a temporary array.. P
package application;
import controllers.CreateEventController;
import application.EventPop;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Cursor;
[Code] ....
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Jun 30, 2014
I got a strange (!?) behavior using an FXML annotated object ...
Consider the following:
You got an app with FXML build UI.
There is a button called connectB which is @FXML annotated...
In the initialize method of my app I disable this button.
After the startup of my app I want to connect to a DB ...
Therefore I use an Task<Void>
I put everything together in one class ( the main application class )
Here is the code...
public class MainApp extends Application implements Initializable{
// ... several other objects
@FXML
private Button connectB;
@Override
public void initialize( URL location, ResourceBundle resources ) {
connectB.setDisable( true );
[Code] .....
The connectB is not null in the initialize method but later in the task class ....
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Feb 18, 2015
How do I make the file reader object move to the next line if there is no more input on the line. Here is my text and output file as you can see that my text file column cuts off on the 2nd line after 70. I want to read that next line which is 100 into my labs variable however its reading it into my final exams variable. I'll also post the code but I didn't think it was necessary.
textfile:
100908095
1008070
10070
output:
Labs Projects Tests Final Exams
100908095
1008070100
70
[import java.util.Scanner;
import java.io.*;
public class MyGrades
{
public static void main (String[] args) throws IOException
{
int lab, project, test;
int finalExam;//Par and Player values
[Code]...
not sure if I code wrapped it correctly
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Feb 4, 2014
I am trying to do a read/write int property called currentQuestionIndex. This property is the index of the question currently selected, and the value of the property is 0 when a DrivingTest object is first created. I dont understand how to do this. I am not sure how to get the index of the current question. i was trying to use an iterator but i dont think i was doin it right. My question class that hold all my data
package cs320Labs.servlet;
public class Question {
String description;
String answerA;
String answerB;
String answerC;
int correctAnswer;
[Code] ....
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May 11, 2014
Will it make any difference if I put the last line of code inside the useBean tag ?
<jsp:useBean id="person" class="foo.Person" scope="page" >
<jsp:setProperty name="person" property="name" value="Fred" />
</jsp:useBean>
<jsp:getProperty name="person" property="name" />
It gives me the same output though....
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Oct 18, 2014
Which of the Following Is the Better Option
1)Reading the Key Value from propertyFile
2) Reading the Same from Database
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Jun 24, 2014
I have 4 variables: longitude, latitude, accuracy and distance. I need to store these variables in two different servers, one for private data and the other for public data, in the cloud. Before sending those data to the server, filtering is takes place as private and public variables so that the private and public data will be send to the respective urls specified with.
public class LocationTracker{
private longitude;
private latitude;
private accuracy;
private distance;
// other tasks
}
public class Filter{
[Code]...
My intention is to assign those variables the characteristic/properties, public or private, thus, I can easily identify them anywhere in the code whether they are public or private and store them to the respective urls. If the private data attempt to be send to the public url, the rejection should be made. So, How do I do that?
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Jun 20, 2014
I am trying to find a way to make a URL that is used during a background AJAX call to log a user out more flexible. Currently, I have it as a static value, as below:
var logoutURLTest = "https://test.myorg.com/cas/logout";
...AJAX stuff that uses the logoutURLTtest variable...
However, if that URL was to change for any reason, I would have to modify one or more JSPs if they were affected, instead of just changing it at a single point in the Spring environment context. It would be more desirable to expose the value using a property placeholder; however, the Spring documentation isn't exactly clear on whether this is possible.
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Apr 15, 2014
The following gives the error: E com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0068E:
An exception was thrown by one of the service methods of the servlet [/Sampling/SamplingInspectionItemFaxFormV6.jsp] in application [QMSWeb AppEAR]. Exception created : [javax.el.MethodNotFoundException: java.lang.NoSuchMethodException: java.util.ArrayList.get(java.lang.Long)
The bean property is an ArrayList<String> with two elements, '100','true'
<c:choose>
<c:when test="${sidocObj.samplesizedata.get(1) == 'true'}">
<img class="modified15" src="/QMSWebApp/Images/check[2].jpg"><SPAN class="scaledLimeSpan1">Sample Size has been Overriden by SQE!</SPAN><BR>
</c:when>
</c:choose>
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Feb 23, 2015
In SOAPUI, how can I add a new property in a HTTP Test Request? I konw that this there isn´t, but should be somethink like that:
testRunner.testCase.getTestStepByName("myHttpTestRequest").addProperty("newProperty","newValue");
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