observablelist | 易学教程

JavaFX, Casting ArrayList to ObservableList

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问题 Is there a way to cast ArrayList to ObservableList ? I would like to do it without iterating through ArrayList . To be more specific, I am using ORMLite to get data from database, and I need ObservableList as an output of the method fetching data from DB. Currently I am doing something like this: ArrayList<Stavka> listStavaka = new ArrayList<>(); Dao<Stavka, Integer> stavkaDao = DaoManager.createDao(connection, Stavka.class); listStavaka = (ArrayList<Stavka>) stavkaDao.queryForAll();

JavaFX TableView: adding individual values in specific column

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问题 I cant seem to find a solution for this and new to java/ javafx: I have a 3 column tableview , last column is a price column. I would like to display a running total of the price column whenever a row is added or deleted from the tableview. TableView is populated from an ObservableList which holds a 3 field object per row. String id,String product, Double price.........it is the price I would like to keep a running total of in a separate textField 回答1: Since the items of tableview are

How to serialize ObservableList

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I am working on a javaFx project where we have to use ObservableList to add Listners. ObservableList includes Model of persons. But I want to store the whole ObservableList Object in a file through serialization. But it gives me an Exception . I also implimented Serialization on the object Model but no luck. Is there any method to serialize ObservableList ? EmployeeModel package com.company.Model; import javax.persistence.*; import java.io.Serializable; /** * Created by Sunny on 1/8/2016. */ @Entity @Table(name = "Employee", schema = "", catalog = "PUBLIC") public class EmployeeEntity

How to serialize ObservableList

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问题 I am working on a javaFx project where we have to use ObservableList to add Listners. ObservableList includes Model of persons. But I want to store the whole ObservableList Object in a file through serialization. But it gives me an Exception . I also implimented Serialization on the object Model but no luck. Is there any method to serialize ObservableList ? EmployeeModel package com.company.Model; import javax.persistence.*; import java.io.Serializable; /** * Created by Sunny on 1/8/2016. */

ListView is not reflecting changes

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问题 I created a TableView a while back and registered Properties to each of the TableColumns. Editing of the internal data reflected itself back in the TableView just fine. With a ListView, however, it is a different story. The changes are not being shown right away unless I close the frame and open it again. My ListView consists of ActionSteps. Note that I used the Javafx beans properties. package application.objects; import java.time.LocalDate; import java.util.ArrayList; import java.util