JSF :: Composite Component With Inherited Attributes

Apr 16, 2014

I have to create a new custom tag "imageLabeable" as a div contains a GraphicImage and an OutputLabel (primefaces).

Since I want to make it reusable as much as possible, I tried to write, in cc:interface section, all GraphicImage attributes (id, value, binding etc) and some new (GraphicImage is the main component among the two). But after that I have must associate GraphicImage attributes with the attributes created in cc:interface:

<cc:interface componentType="imageLabeable">
<cc:attribute name="value" />
<cc:attribute name="alt" />
<cc:attribute name="width" />
<cc:attribute name="height" />

[Code] .....

As you can see, if I have a lot of attributes I have to write a lot of association. Furthermore, if I see html rendered code with Firebug or similar, I see all of these associations.

Can I inherit these attributes automatically? Or associate it in easier way?

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JSF :: Composite Component In Dependency

Jul 29, 2014

In a java application project called mycomposites, i created xhtml with a composite component interface and implementation in mycomposites/ src/ main/resources/testcomponents/myComponent.xhtml...Then I created a new project testmycomposites added mycomposites as dependency. Here is the source of an xhtml that should use myComponent:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"

[code]...

However running project, I get error:<tp:myComponent> Tag Library supports namespace: http://java.sun.com/jsf/composite/testcomponents, but no tag was defined for name: myComponent

If i put the same custom component in resources/testcomponents folder of the same project everything works fine.I can't find any example in wich custom composite components are located in a dependency.

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JSF :: Load Images From CSS On Composite Component?

May 9, 2014

I have an issue about loading images from css using a composite component. The folder structure is:

resources
resources -> css -> componentname
resources -> images - > componentname
resources -> WEB-INF

If i write in the css something like

border-image: url(resources/images/componentname/image.png) !important;
or
border-image: url(images/componentname/image.png) !important;

i have a 404 error and i can't see the image.

I able to load the image only if i write path with context-root:

border-image: url(/<CONTEXTROOT>/resources/images/componentname/image.png) !important;

but i can't write explicit context root in css files!!

So, i tried to use resource EL variable:

border-image: url(#{resource[image/componentname/image.png]}) !important;

but this last way render

border-image: url("/<CONTEXTROOT>/javax.faces.resource/images/componentname/image.png.faces.faces") !important;

and i not able to replicate the right way written above.

The project is developed with RSA9 and WebSphere Portal 8, but if i try to execute it in NetBeans (no portal) it run correctly!

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Swing/AWT/SWT :: Panel Doesn't Refresh When New Component Added If Smaller Than Largest Visible Component

Jan 26, 2014

I have a JPanel that's using a simple GridBagLayout.

JPanel panel = new JPanel();
GridBagLayout qPanelLayout = new GridBagLayout();
qPanelLayout.columnWidths = new int[] { 0 };
qPanelLayout.rowHeights = new int[] { 0 };
qPanelLayout.columnWeights = new double[] { Double.MIN_VALUE };
qPanelLayout.rowWeights = new double[] { 0.0 };
panel.setLayout(qPanelLayout);
componentCount = 0;

Based on user input I am adding sub-panels to the panel. These sub-panels may vary in height. They take up the full width of the Panel.

public void add(Component comp) {
GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.insets = new Insets(2,2,2,2);
gbc.gridx = 0;
gbc.gridy = componentCount++;
panel.add(comp, gbc_questionPane1);
}

The odd behaviour I'm seeing is that if the height of the new sub-panel I'm adding is less than the height of the largest sub-panel currently displayed then the main panel does not repaint. If its height is equal or greater then the Panel does repaint, and any sub-panels that were added but not visible before are now painted. What have I missed?

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Value Inherited Between Different Arraylist Of Same Class

May 14, 2014

I have extracted relevant parts of code and outputs, this is the only relevant code for this problem. There is a basic class called SalonData, which contains the fields refereed to. Original data rs. is obtained from an SQL extract, that is populating correctly.

public ArrayList<SalonData> salons=new ArrayList<SalonData>();
ArrayList<SalonData> loc2=new ArrayList<SalonData>();
SalonData salon=new SalonData();
salon.CardRecordID = rs.getString("CardRecordID");
salon.SalonName = rs.getString("Name");

[Code] ....

Printed results after this code is run;

Salons
2022XYZ PTY33 Smith Street319603 9773 2000

loc2
2022XYZ PTY33 Smith Street319603 9773 2000

The code was inteded to populate the phone number in arraylist "loc2", but based on the code, the phone number in arraylist "salons" for Location 2 should still be blank. Question is how did the phone number for this customer in arraylist salons, for Location 2, get populated?

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Overriding Inherited Methods

Feb 5, 2015

So the first thing I would like to ask about is overriding inherited methods. I am asked to override methods in one of my assignments and I am not really sure how to go about doing it.

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Do Inherited Methods Use Their Instance Variables?

Jan 8, 2014

Do inherited methods use their instance variables or do they use the ones in the method that inherits them?

For example, Class B extends Class A. Class A and B both have the instance variable "potato". A client program tries to use method "cut" using an object of Class B, but class B has no cut method. So, class B uses the "cut" method inherited from class A. What I want to know is will that cut class A's potato or class B's?

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Java Application That Displays Composite Numbers?

Dec 31, 2014

I am trying to write a java application that displays composite numbers between 1 and 100. Here is the format of my code:

//a java application that prints out composite numbers that range from 1 to 100 
public class printcomposites{ 
public static void main(String[] args){ 
int num=0;
 int i=0;
 String printcomposites=""; 
for(i=1; i<100; i++)

[code]...

My code compiles with no errors, but my code generates every integer between 1 and 100 instead of integers that are composite:

Composite numbers from 1 to 100 are:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 5
7 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99

What am I doing incorrectly?

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Swing/AWT/SWT :: Error At Class Name - Type JTextField Must Implement Inherited Abstract Method

Oct 27, 2014

This code is directly from Swing: I'm using Eclipse and keep getting an error on line 10 saying :

"The type JTextField must implement the inherited abstract method ActionListener.actionPerformed(ActionEvent)."

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;

[Code] ......

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Swing/AWT/SWT :: Scrolled Composite Doesn't Scroll By Mouse Wheel

Sep 7, 2014

Mouse wheel is working properly on macosx but not working on windows.

Here is my layout structure, i implemented mousewheel listener but its not triggering tho.

And my scrolledcomposite declaration:

final ScrolledComposite scrolledComposite = new ScrolledComposite(mainComposite, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
scrolledComposite.setExpandHorizontal(true);
scrolledComposite.setExpandVertical(true);
scrolledComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_MAGENTA));

final Composite listComposite = new Composite(scrolledComposite, SWT.NONE);
GridLayout layout = new GridLayout();

[Code] ...

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JavaFX 2.0 :: Synchronize Model Representing Complex UI Composite With FlowPane Backing List

Aug 26, 2014

What is the best way to synchronize a Model representing a complex UI composite w/ a FlowPane's backing list?
 
Currently I have a change listener on the Model.  Upon an add I create a new UI composite and manually add it to the FlowPane's backing list via flowPane.getChildren().add().  Similarly if there is a remove, I iterate over the FlowPane's children, grab the right Node, and remove it.  Similarly, if there is a modification detected, I iterate over the FlowPane's children, grab the right Node, remove it, recreate the UI composite, and re-add it to the list.  I also need the list to be sorted, so I implemented a UIComposite comparator and call FXCollections.sort() on the FlowPane's backing list.  I feel like that is hacky, but it works.  It would be cool if I could maintain sort order in my model somehow and have that automatically propogated to the FlowPane's list.
 
I am correct in assuming that there is no way to have a complex binding in between an ObservableList<CompositeViewModel> and the FlowPane's backing list (ObservableList<T>)? 

Some kind of translator that could create a new UIComposite whenever there is a new CompositeViewModel added to the Model list.

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Cannot Add Another Component From Class

Apr 12, 2014

I cannot add the component from this class:

Java Code:

package TestVersion;
import java.awt.Color;
import java.awt.Graphics;
public class matWood {
private int woodX = 250;
private int woodY = 100;

[Code] ....

The error is at Java Code:

frame.add(matWood); mh_sh_highlight_all('java');

And this is what it says:

The method add(Component) in the type Container is not applicable for the arguments (matWood)

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How To Focus At One Component

Feb 23, 2014

I want to focus at a JTextField, how to do that? Can setfocusable work?

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Cannot Add Second Component To Frame?

Apr 13, 2014

I can't seem to add second component to frame what this class creates:

package TestVersion;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JFrame;
import TestVersion.CKeyListener;
import TestVersion.GameWorld;
import TestVersion.MatWood;
public class MYCoreWorld {

[Code] .....

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GUI Compass Component

Nov 16, 2014

I've been looking through the Java API for a component similar to the direction selector compass in google earth (the one that acts like a circular scroll bar) to no avail. Any existing component before breaking down to creating the component myself.

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Sum Up Component Of Array?

Oct 15, 2014

How can ı sum up component of an array?

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Attributes In Several Classes

Jan 21, 2014

I would like to use the attribute A of my class Selecter1, in my main class Resizing. How?

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JSP :: Attributes With Values In Different Scopes

Mar 19, 2014

We can have attributes in different scopes in a JSP page. Suppose there is an attribute named 'name' with values in different scopes as below:

request - A
session - B
application - C
page - D

Suppose I print ${name} in a JSP page, then what will be the value printed on the JSP? And, what will be the preference order of attributes search in different scopes?

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Identifying Classes And Attributes

Mar 1, 2014

I am new to Java and I am doing an assignment to identify Class and Attributes from below example. How to identify 7 classes and its attributes from this scenario:

ABC Maps Maker produces electronic maps for global positioning systems. Every map needs to define the latitude and longitude of the centre of the map, together with the length and breadth of the map. A map also has a name, and a set of geographical features.

A geographical feature is something noticeable in a a map; e.g., a hill, or valley. Among the types of features are the following: trace features, track features and tract features.

All features have a name that is displayed on the map next to the feature. A trace feature has a coordinate point to indicate its location relative to the centre of the map. Broadcasting stations, mountain peaks, and transmission towers, are examples of trace features. Every trace feature has a description associated with it.

Examples of track features include roads, railways and rivers. Each track feature has a list of points that define its course, and a line pattern. The line pattern specifies the colour, and the thickness.

Like a track feature, a tract feature also has set of points, except that when drawn on the map, the last point is linked to the first point to enclose a complete region. Additionally, it has a fill pattern which incorporates essentially a colour.

Recall that there is a class, Point, in the java.awt package – this can be used to hold the co-ordinate of a point

Class:
Attributes:

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How To Come Up With GUI Application With List Component

Feb 1, 2014

I have created a text file that contains a small list of toy names and prices, like:

Barbie, 12.95
Lego, 15.99
Hot Wheels, 5.00
Power Rangers, 6.49

And what I would like is my application to read the contents of the file and store the toy names in a list component. And then I want to be able to select a toy name from the list and add it to a shopping cart that is a list component as well. I want to the application to have menu items and buttons to allow me to remove items from the shopping cart, clear the shopping cart of all selections, and check out.

When I check out, the application should calculate and display the subtotal of all the toy names in the shopping cart, the sales tax (which can just be 8 percent of the subtotal), and the total.

How to create this simple application example I've just made up, and I'm going to add and use this example to create a bigger application myself.

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Method Is Not Applicable To Attributes

Jul 7, 2014

i have been trying to play around with System.out.printf , but it says that the method is not applicable to the attributes.below is my code :

package com.examples;
import java.util.Scanner;
public class Comparison {
public static void main(String[] args) {
Scanner input = new Scanner( System.in );
 
[code]....

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EJB / EE :: MDS Don't Support All Six Transaction Attributes

Jun 23, 2014

On p.176 of EBJ 3 in Action (2nd edition),

MDS don't support all six transaction attributes. MDBs support only REQUIRE or NOT_SUPPORT.... There is no existing transaction to suspend or join when a message is delivered, The two options you have available are REQUIRE if you want a transaction.....

there is no existing transaction when a message is delivered from a queue to an MDB. Why we still need a transaction as it says " REQUIRE if you want a transaction"? When a message is delivered from the queue to the MDB, is this a transaction?

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Servlets :: Difference Between Attributes And Parameters

Jul 30, 2006

What is the difference between Attributes and Parameters.that is difference between two methods request.getAttribute() and request.getParameter() and why we have this two methods?

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Getting Name Of Component For Mouse Cursor Position?

Nov 4, 2014

I am developing an application where blind person can interact with computer i have completed the part where computer responds as per command given by user.The part where i am stuck is i want to give voice feedback as user moves the curser for example if mouse is on d drive then user should get feedback that its d drive....i want to do it for whole windows ...

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Servlets :: Forwarding Request Attributes From JSP

Jun 24, 2014

I am building an application that has two types of users. While some of the fields (ie: username, email address, password) are the same for both user types, other fields are different for each user type.

Therefore, I would like to split up the process of registering (ie: writing the user info to database) into two parts:

1) registering the common fields among both user types (servlet 1)
2) registering the specific fields based on the user type that is registering (servlet 2a and servlet 2b).

Therefore, once servlet 1 is processed, I wish to forward the request to servlet 2a or 2b depending on what type of user is registering.

I wish to do this since I will have other parts of my application that will make use of servlets 2a and 2b as well. Is this possible to do (redirect request parameters from jsp to servlet and then to another servlet)?

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Insertion Sort Based On Two Attributes

Feb 4, 2014

public class Employee {
private String firstName;
private String eeid;
}

I want to sort using empoyee firstName.. If two employee names are same, i need to sort based on eeid.. using insertion sort

if (key == "name") {
for (int i = 1; i < list.length; i++) {
Employee t = list[i];
int j;
for (j = i - 1; j >= 0 && t.getLastName().compareTo(list[j].getLastName())<0; j--)
list[j + 1] = list[j];
list[j + 1] = t;
}
}

It will sort using names.. But if two names are same, it wont sort based on eeid.. I want to achieve only using insertion sort..

EX:

vivek 8
broody 2
chari 3
vivek 5
chari 1

output:

broody 2
chari 1
chari 3
vivek 5
vivek 8

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