h:form in customized rendering of jsps
But i am facing another problem.
i am rendering two jsp pages
index.jsp<-1.jsp
<- 2.jsp
(rendering the two pages based on selection in tabbedpane custom component)
I have a <h:form> tag with unique ID in index.jsp .
I have my custom tabbedpane component in it.
Now using this component i am calling other two pages and renderering them in the same component's workspace.
When i use another <h:form> tag in either of the 1.jsp or 2.jsp the tabs work for only one time.
As in a Standard Shell i have header,footer, navigation area ,workspace area.
I am making a custom tabbedPane component that controls both navigation and workspace area simultaneously.
Also the url that i return ,is being rendered by method
getRequestDispatcher(display).include(request, response);
<html>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://corejsf.com/tabbedpane" prefix="corejsf"%>
<f:loadBundle basename="com.corejsf.messages" var="msgs" />
<f:view>
<head>
<link href="css/styles.css" rel="stylesheet" type="text/css" />
<title><h:outputText value="#{msgs.windowTitle}" /></title>
</head>
<body>
<h:form>
<f:subview id="tabbedpane">
<corejsf:tabbedPane resourceBundle="com.corejsf.messages">
<corejsf:select label="polarBears"
default_workspace="/polarBears.jsp" navigation="/bears_nav.jsp" />
<corejsf:select label="grizzlyBears"
default_workspace="/grizzlyBears.jsp" navigation="/bears_nav.jsp" />
<corejsf:select label="teddyBears"
default_workspace="/teddyBears.jsp" navigation="/bears_nav.jsp" />
<corejsf:select label="pandaBears"
default_workspace="/pandaBears.jsp" navigation="/bears_nav.jsp" />
<corejsf:select label="blackBears"
default_workspace="/blackBears.jsp" navigation="/bears_nav.jsp" />
</corejsf:tabbedPane>
</f:subview>
</h:form>
</body>
</f:view>
</html>
now this pages which i am rendering ,if they contain <h:form> tag even with distinct ID --the component works for only one time .
Similar Messages
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Custom rendering extensions not working in SSRS Report Designer (rsreportdesigner.config)
My custom rendering extension is working in Report Builder (in RSReportServer.config), but not in Report Designer (in RSReportDesigner.config): instead of adding a "TXT" export option, it's just adding a duplicate "CSV" option.
SUMMARY:
Is there a way to get these features working, with Report Designer?
DETAILS:
We are running SSRS (Reporting Services) under SQL Server 2008 R2.
Here's my rendering section:
<Render>
<Extension Name="XML" Type="Microsoft.ReportingServices.Rendering.DataRenderer.XmlDataReport,Microsoft.ReportingServices.DataRendering" />
<Extension Name="CSV" Type="Microsoft.ReportingServices.Rendering.DataRenderer.CsvReport,Microsoft.ReportingServices.DataRendering" />
<!-- TXT extension with help from: http://social.msdn.microsoft.com/Forums/sqlserver/en-US/d79845a8-17fb-4ec6-b121-2c40cf466d73/how-do-i-add-a-pipe-delimited-option-in-ssrs-2008-report-manager?forum=sqlreportingservices -->
<Extension Name="TXT" Type="Microsoft.ReportingServices.Rendering.DataRenderer.CsvReport,Microsoft.ReportingServices.DataRendering">
<OverrideNames>
<Name Language="en-US">TXT(ASCII,NoColHds)</Name>
</OverrideNames>
<Configuration>
<DeviceInfo>
<FileExtension>txt</FileExtension>
<FieldDelimiter>,</FieldDelimiter>
<Encoding>ASCII</Encoding>
<NoHeader>true</NoHeader>
</DeviceInfo>
</Configuration>
</Extension>
<Extension Name="IMAGE" Type="Microsoft.ReportingServices.Rendering.ImageRenderer.ImageRenderer,Microsoft.ReportingServices.ImageRendering" />
<Extension Name="PDF" Type="Microsoft.ReportingServices.Rendering.ImageRenderer.PDFRenderer,Microsoft.ReportingServices.ImageRendering" />
<Extension Name="HTML4.0" Type="Microsoft.ReportingServices.Rendering.HtmlRenderer.Html40RenderingExtension,Microsoft.ReportingServices.HtmlRendering" Visible="false" />
<Extension Name="MHTML" Type="Microsoft.ReportingServices.Rendering.HtmlRenderer.MHtmlRenderingExtension,Microsoft.ReportingServices.HtmlRendering" />
<Extension Name="RPL" Type="Microsoft.ReportingServices.Rendering.RPLRendering.RPLRenderer,Microsoft.ReportingServices.RPLRendering" Visible="false" />
<Extension Name="EXCEL" Type="Microsoft.ReportingServices.Rendering.ExcelRenderer.ExcelRenderer,Microsoft.ReportingServices.ExcelRendering" />
<Extension Name="WORD" Type="Microsoft.ReportingServices.Rendering.WordRenderer.WordDocumentRenderer,Microsoft.ReportingServices.WordRendering" />
</Render>
When I add the above "TXT" section to RSReportServer.config, then Report Builder (and production) both show an export option "TXT(ASCII,NoColHds)".
But when I add this "TXT" section to RSReportDesigner.config, and then (in Report Designer / BIDS) attempt to export from a "Preview" of the report, the export drop-down does not show a "CSV" option followed by a "TXT"
option, but instead shows the "CSV" option twice.
This simply limits testing of the export option, to Report Builder... or requires any reports be published from Report Designer before they can be tested with
this export option.
(FYI, why this export option: compliance in our industry requires sending data to government agencies, in text files, with fixed-length columns, and ASCII encoding. Also, we're attempting to give the production of these files to the *users* managing
communication with those agencies... so we're putting them into SSRS.
I worked around the fixed length columns (and no delimiters -- no commas), by writing a version of the report where all string columns are padded, and all columns are concatenated, to form ONE LONG COLUMN... but Reporting Services' CSV export format produces
a Unicode file (UTF-8, which the agency rejected, because it had a leading "", or "EF BB BF" in hex), whereas the agency requires an ASCII file.)Hi Doug_atMidway,
According to your description, you want to enable your custom render extension. Right?
In Reporting Services, if you want to deploy the custom extension, you just need to add the extension into rsreportserver.config file. The
RSReportDesigner.config file stores settings about the rendering extensions available to Report Designer. Since you still use the csv rendering extension in your assembly, we don't need to do any modification in rsreportdesigner.config file. Pleaes
refer to the links below:
Thanks for attempting to help, Simon.
As my question states, I've *already done* both the above: changed (1) rsreportserver.config and (2) rsreportdesigner.config. I added the same code, shown above, to both files. I did that so I could see the new "txt" extension
both (1) when exporting in production and Report Builder, and (2) when exporting in Report Designer's "preview".
The change in (2) is not working: I do not see the "TXT" extension in Report Designer, when I try to export from a preview. Instead, Report Designer shows the CSV extension repeated.
Thanks for the docs. I consulted them (well, I consulted the EQUIVALENT pages, for SQL Server 2008 R2), when creating my block of code above.
Do you see anything to correct, in my code?
Are the features I'm using actually working, with rsreportdesigner.config?
Thanks again,
-- Doug -
JSF custom renderer executes multiple times
I have just created a jsf custom component to render three input texts next to each other (for SSN input). My custom renderer extends javax.faces.render.Renderer, and I am writing out the elements in the encodeEnd method. The problem I encountered is - upon saving the form and the screen refreshes, the renderer gets called two times. So what I end up seeing on the screen are two sets of the three input texts component. Does anyone know why the renderer gets called more than once? Any insight is much appreciated.
To the best of my knowledge, the standard does not specify the default renderer class for any components.
I would take a wrapper/decorator approach. Add a field to your renderer for the default renderer. Before configuring your renderer, obtain the default renderer and set it on your renderer, then configure it.
OTOH, there might be easier ways for you to accomplish what you want to do. You could use a PhaseListener to add components to the view whenever a commandButton is encountered in the tree. -
Custom Search Form and custom attribute picklist?
I have a custom item type which has a custom attribute NAICS_Code. The NAICS codes are stored in a database table and the attribute is set to a list of values that is a query on that table. The attribute is associated with a custom item type as a text attribute.
Now, when I add the custom item type to a page, the NAICS Code field is a popup selector, as expected.
On a Portal page, I have the Custom Search Portlet that searches another page that contains the custom item type.
On the Custom Search Portlet, I can add the NAICS Code as an additional attribute, but the search field is a plain text box and NOT a pick list of any kind.
Can I configure the Custom Search Portlet to use associated LOVs with filter by attributes?I'm afraid that in the version of portal you are using we don't render LOVs for LOV attributes on the search portlet.
In 10.1.2 attributes are added to the search form using a More Attributes button which simply render an empty row for the attribute details to be filled in.
In 10.1.4 this was improved considerably. Now attributes are added to the search form like they are added in the edit defaults, with a Choose Attributes link which opens a popup to select the attributes. On closing the popup the search form is re-rendered and any LOV attributes will be rendered with a combo box of available values to select from. -
Problem with JTree custom renderer when editing
I have a JTree which uses a custom renderer to display my own icons for different types of nodes. The problem I am having is when I setEditable to true and then attept to edit a node the icon switches back to the default icon, as soon as I am done editing it goes back.
What I am doing wrong?Here is my rendererer
public class DeviceTreeRenderer extends DefaultTreeCellRenderer implements GuiConstants {
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
JLabel returnValue = (JLabel)super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
if (value != null) {
returnValue.setToolTipText(value.toString());
if (value instanceof Device) {
returnValue.setIcon(TREE_DEVICE);
if (!((Device)value).isAlive()) {
returnValue.setEnabled(false);
else if (value instanceof GuiPanelGroup) {
if (expanded) {
returnValue.setIcon(TREE_PANEL_GROUP_OPEN);
else {
returnValue.setIcon(TREE_PANEL_GROUP_CLOSED);
else if (value instanceof GuiPanel && ((GuiPanel)value).isDirty()) {
returnValue.setIcon(TREE_PANEL_DIRTY);
return returnValue;
}Here is my editor:
public class WwpJTreeCellEditor extends DefaultTreeCellEditor implements GuiConstants {
private WwpJTree tree;
* Creates a new WwpJTreeCellEditor.
* @param tree The WwpJTree to associate with this editor.
public WwpJTreeCellEditor(WwpJTree tree) {
super(tree, (DefaultTreeCellRenderer)tree.getCellRenderer());
this.tree = tree;
* Overrides the default isCellEditable so that we check the isEditable() method
* of the WwpJTreeNodes.
* @param e An EventObject.
public boolean isCellEditable(EventObject e) {
boolean returnValue = super.isCellEditable(e);
if (returnValue) {
WwpJTreeNode node = this.tree.getSelectedNode();
if (node == null || !node.isEditable() || node.isDragging()) {
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return returnValue;
}In my JTree I make these calls:
super.setCellRenderer(new DeviceTreeRenderer());
super.setCellEditor(new WwpJTreeCellEditor(this));
super.setEditable(true); -
File Not found error when calling Form Post Method to a JSP from JSP Portlet
I have built a set of JSP forms using post method to call other JSPs. Normally, the code looks like
<form name="MyForm" action="MyJsp.jsp" method="post">
I migrated the calling form containing this code to a portlet, but not the MyJsp.jsp. When I submit the form, I get a file not found in Jserv.log
Exception:javax.servlet.ServletException: java.io.FileNotFoundException: D:\servlet\RegisterCompany.jsp (The system cannot find the file specified)
[14/06/2001 13:59:59:679 PDT] JspServlet: unable to dispatch to requested page: Exception:javax.servlet.ServletException: java.io.FileNotFoundException: d:\oracle\isuites\apache\apache\MyJsp.jsp (The system cannot find the file specified)
I notice that launching the calling jsp from a portlet, my opriginal context that uses ../Apache/Apache/htdocs is not being searched for the JSp. Why is this? Moreover, I try to set up an Alias in httpd.conf file to the this director and use it with the jsp in the action tag, but still get an error that my jsp servlets/Myjsp can't be found. Why is it insiting on looking at servlets context instead of htdocs.
I have none of these issues outside of Portal30 using IAS.
regardInitially, I couldn't do this unless I moved tghe jsp's up to the root directory of IAS, i.e ../Apache/Apache. Nomrally, htdocs is my doc directory for IAS. I could not do http:\\myUrl\htdocs\myJsp. If I tgried this, I got an error in Apache error logg that said can't find file ..\htdocs\htdocs\MyJsp.jsp.
If I just tried the the URL http:\\myUrl\MyJsp.jsp with Jsp file in htdocs, I would get an error in the Jserve log that file d:\oracle\isuites\apache\apache\MyJsp.jsp could not be found. Once I moved the file MyJsp to Apache/Apache directory, it could be found using http:\\myUrl\MyJsp.jsp. Later, I delted these files and kept the ones in htdocs and they continued to work.
I'm confused why launching pages through portal isn't consistant with Apache Standards. Where is the documentation that tells me how to configure context and aliases for pages launched from portal pages?
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Sue Vickers ([email protected]):
David,
Passing information using Portal is different than just using Apache/Jserv. Does it work in portal if you use the absolute path?
<form name="MyForm" action="http://host.domain/MyJSP.jsp" method="post">
Portal will not be on the same relative path as your Apache, so you may need to adjust your action somehow.
Thanks,
Sue<HR></BLOCKQUOTE>
null -
Help! Using a custom renderer to display an image
I have a JTable where I want to set the renderer of one column to a custom renderer. And I want this renderer to show either a play button image, or a stop button image, depending on the status, which is a Boolean value. However, the image won't show up when I run the application. Here's the code from the renderer...
public class StatusRenderer extends DefaultTableCellRenderer {
private ImageIcon playIcon = new ImageIcon("C:/play.jpg");
private ImageIcon stopIcon = new ImageIcon("C:/stop.jpg");
public StatusRenderer() {
setHorizontalAlignment(JLabel.CENTER);
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) {
Boolean b = (Boolean) value;
setIcon(b.booleanValue() ? playIcon : stopIcon);
return this;
The application runs, but no icon shows up in the table cell. I'd really appreciate any help on this. Thanks.look at http://www2.gol.com/users/tame/swing/examples/JTableExamples1.html
for some great table examples (they may need minor mods to work on 1.3/1.4)
Basically I think you need something more like:
public class StatusRenderer extends JLabel
implements DefaultTableCellRenderer
public StatusRenderer() {
super();
setHorizontalAlignment(JLabel.CENTER);
public Component getTableCellRendererComponent(JTable table,
Object value, boolean sSelected,
boolean hasFocus, int row,
int col)
Boolean b = (Boolean) value;
setIcon(b.booleanValue() ? playIcon : stopIcon);
return this;
}Don't forget to add the renderer to the column you want it in ! -
'...' not appearing in obscured table cell when using custom renderer.
Hello all -
I am using a custom JPanel as a cell renderer in a JTable to display two icons per cell. Unfortunately, I am running into a problem that occurs when resizing a column such that the width of the column is less than the size of the cell content. Normally, when resizing a cell in this manner, it will start to cut off the text within the cell and add '...' to signify that some material is obscured. However, using my cell renderer, the text simply cuts off with no indication whatsoever there is more content that is being hidden. I have tried looking through the JComponent code to find a function to overload but I haven't had much luck. Does anyone have any suggestions?
For a simple example, compile and run the following code and try resizing the two columns. You should be able to notice the difference.
Thanks,
- Alex
import java.awt.*;
import java.awt.image.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
public class TwoIcons extends JFrame {
public static void main(String[] args){
createIcons();
SwingUtilities.invokeLater
new Runnable()
public void run() {
new TwoIcons();
public TwoIcons(){
super("Test");
DefaultTableModel tm = new DefaultTableModel(
new Object[][]{
{new IconPair("cross", "cross"), "just a string"},
{new IconPair("circle", "cross"),"just another string"},
{new IconPair("String", "circle"),"yet another string"}
}, new String[]{"Two Icons","String"}){
public Class getColumnClass(int columnIndex){
if(columnIndex==0){
return IconPair.class;
else
return super.getColumnClass(columnIndex);
JTable table = new JTable(tm);
final Color bg = table.getBackground();
table.setDefaultRenderer(IconPair.class, new TableCellRenderer(){
RendererPanel renderer = new RendererPanel(bg);
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
renderer.setIcons((IconPair)value);
return renderer;
JScrollPane scp = new JScrollPane(table);
add(scp);
setSize(400,100);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setVisible(true);
class RendererPanel extends JPanel{
JLabel icon1, icon2;
RendererPanel(Color bg){
setLayout(new BoxLayout(this,BoxLayout.LINE_AXIS) );
icon1=new JLabel();
icon2=new JLabel();
add(icon1);
add(icon2);
setBackground(bg);
public void setIcons(IconPair value) {
icon1.setIcon(value.i1);
icon1.setToolTipText("Icon 1");
icon2.setIcon(value.i2);
icon2.setToolTipText("Icon 2");
//uncomment next 2 lines if you want text as well
icon1.setText(value.s1);
icon2.setText(value.s2);
class IconPair {
public Icon i1,i2;
public String s1,s2;
IconPair(String s1, String s2){
this.i1=(Icon)icons.get(s1);
this.i2=(Icon)icons.get(s2);
this.s1=s1;
this.s2=s2;
static Map icons = new HashMap();
public static void createIcons(){
Image img = new BufferedImage(10,10, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2=(Graphics2D)(img.getGraphics());
g2.setColor(Color.BLUE);
g2.drawLine(0,0,10,10);
g2.drawLine(0,10,10,0);
icons.put("cross",new ImageIcon(img));
img = new BufferedImage(10,10, BufferedImage.TYPE_INT_ARGB);
g2=(Graphics2D)(img.getGraphics());
g2.setColor(Color.ORANGE);
g2.drawOval(1,1,8,8);
icons.put("circle",new ImageIcon(img));
}Things aren't resizable in your layout for the custom renderer. Here's your code working as you want (I think)
import java.awt.*;
import java.awt.image.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
public class TwoIcons extends JFrame {
public static void main(String[] args){
createIcons();
SwingUtilities.invokeLater
new Runnable()
public void run() {
new TwoIcons();
public TwoIcons(){
super("Test");
DefaultTableModel tm = new DefaultTableModel(
new Object[][]{
{new IconPair("cross", "cross"), "just a string"},
{new IconPair("circle", "cross"),"just another string"},
{new IconPair("String", "circle"),"yet another string"}
}, new String[]{"Two Icons","String"}){
public Class getColumnClass(int columnIndex){
if(columnIndex==0){
return IconPair.class;
else
return super.getColumnClass(columnIndex);
JTable table = new JTable(tm);
final Color bg = table.getBackground();
table.setDefaultRenderer(IconPair.class, new TableCellRenderer(){
RendererPanel renderer = new RendererPanel(bg);
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
renderer.setIcons((IconPair)value);
return renderer;
JScrollPane scp = new JScrollPane(table);
getContentPane().add(scp);
setSize(400,100);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setVisible(true);
class RendererPanel extends JPanel{
JLabel icon1, icon2;
RendererPanel(Color bg){
setLayout(new BoxLayout(this,BoxLayout.LINE_AXIS) );
icon1=new JLabel();
icon2=new JLabel();
add(icon1);
add(icon2);
icon1.setMinimumSize(new Dimension(0, 0));
icon2.setMinimumSize(new Dimension(0, 0));
icon1.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE));
icon2.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE));
setBackground(bg);
public void setIcons(IconPair value) {
icon1.setIcon(value.i1);
icon1.setToolTipText("Icon 1");
icon2.setIcon(value.i2);
icon2.setToolTipText("Icon 2");
//uncomment next 2 lines if you want text as well
icon1.setText(value.s1);
icon2.setText(value.s2);
class IconPair {
public Icon i1,i2;
public String s1,s2;
IconPair(String s1, String s2){
this.i1=(Icon)icons.get(s1);
this.i2=(Icon)icons.get(s2);
this.s1=s1;
this.s2=s2;
static Map icons = new HashMap();
public static void createIcons(){
Image img = new BufferedImage(10,10, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2=(Graphics2D)(img.getGraphics());
g2.setColor(Color.BLUE);
g2.drawLine(0,0,10,10);
g2.drawLine(0,10,10,0);
icons.put("cross",new ImageIcon(img));
img = new BufferedImage(10,10, BufferedImage.TYPE_INT_ARGB);
g2=(Graphics2D)(img.getGraphics());
g2.setColor(Color.ORANGE);
g2.drawOval(1,1,8,8);
icons.put("circle",new ImageIcon(img));
}Note that the ... is a function of the JLabel when it is too small to render its text. -
We are attempting to add OfficeWriter report rendering extensions for SSRS 2012 in SharePoint (2010) integrated mode through powershell. The documentation for “New-SPRSExtension” is rather
sparse and we have not found any clear examples on the internet. With SSRS 2012 in native mode, we make the following two changes to the config files:
We add the following report rendering extension declaration to
RSReportServer.config:
<Configuration>
<Extensions>
<Render>
<Extension Name="XLTemplate" Type="SoftArtisans.OfficeWriter.ReportingServices.ExcelTemplateRenderer,
SoftArtisans.OfficeWriter.RS2008"/>
<Extension Name="WordTemplate" Type="SoftArtisans.OfficeWriter.ReportingServices.WordTemplateRenderer,
SoftArtisans.OfficeWriter.RS2008"/>
</Render>
</Extensions>
</Configuration>
We add the following security trust codegroup to
RSSvrPolicy.config:
<configuration>
<mscorlib>
<security>
<policy>
<PolicyLevel version="1">
<CodeGroup version="1" PermissionSetName="Nothing">
<CodeGroup
version="*"
PermissionSetName="FullTrust"
Name="SoftArtisans_OfficeWriter_Strong_Name"
Description="This
code group grants SoftArtisans OfficeWriter code full trust.">
<IMembershipCondition
class="StrongNameMembershipCondition"
version="*"
PublicKeyBlob="00240000048000009400000006020000002400005253413100040000010001004779CB207F11
5E86EF9DD3233F9F130F8891911345176650F72330F84CA3F54C96DEB08439680660F02872EEF5DA3955
A14C63F96E57DFB71B1535280C37DA2CB5BA37D78A9882414DB11F67FD66DEBC4AD93DD34F4A587D34D
B4D23D9C6AF83431D88A7EF42BB01082913F3560DCB50129C5BBA7ECA0DE8BC286DA74F58FADE"/>
</CodeGroup>
</CodeGroup>
</PolicyLevel>
</policy>
</security>
</mscorlib>
</configuration>
What would be the equivalent syntax for “New-SPRSExtension” to do the above for SSRS 2012 in SharePoint (2010) integrated mode?
Alison Bird SoftArtisans Technical Services www.softartisans.comHi Alison,
Unlike the deployment of other custom extensions such as custom delivery extension and data processing extension, it is not necessary to add a code group for the custom assembly that grants FullTrust permission for the extension during the deployment of
custom rendering extension. If you have copy the custom assembly to the %ProgramFiles%\Microsoft SQL Server\MSRS11.<InstanceName>\Reporting Services\ReportServer\Bin folder, and modify the RSreportserver.config file to add the extention entry properly,
please open the SSRS Service Application created on the SharePoint and verify that your extension is included in the list of available export types for a report.
Reference:
Deploying a Rendering Extension
Regards,
Mike Yin
TechNet Community Support -
Best Practice : Creating Custom Renderer for Standard Component
I've been reading the docs and a few threads about Custom Renderers. The best practice seems to be to create a Custom Component where you need a Custom Renderer. Is this the case?
See [this post|http://forums.sun.com/thread.jspa?forumID=427&threadID=520422]
I've created several Custom Renderers to override the HTML provided by the Standard Components, however I can't see the benefit in also creating a Custom Component when the behaviour of the standard component is just fine.
Thanks,
Damian.It all depends on what you are trying to accomplish. Generally speaking if all you need is for the user interface output to be changed then a renderer will work just fine. A new component is usually made in order to provide some fundamental change in server side functionality not related to the user interface. - Ponderator
-
sir
plz tell me how to use custom tag in jsp.plz describe it.
i will be thankful to uDo you want to use taglibs or develop custom tags? Either way take a look at these:
http://java.sun.com/j2ee/tutorial/1_3-fcs/doc/JSPTags.html
http://www.stardeveloper.com/articles/display.html?article=2001081301&page=1
http://www.onjava.com/pub/a/onjava/2000/12/15/jsp_custom_tags.html
http://jakarta.apache.org/taglibs/tutorial.html
http://www.ibm.com/developerworks/edu/j-dw-java-custom-i.html
http://www.herongyang.com/jsp/tag.html -
Hi,
I've created a custom parser which on taking certain
binary files parses and inserts them into oracle
tables.
So anytime a file is updated on iFS so are the tables.
Now conversly I want a custom renderer so whenever
data is updated or inserted into these tables these
changes will be reflected in the file blob itself.
The tables can be updated in any of the normal ways,
manually (SQLPlus), through a JDBC application etc ..
any suggestions on the best way to do this?
The only thing that comes to mind is to use
a Java stored procedure with a trigger placed
on the tables in question ..
Thanks for your time,
CathalGot the info by adding a validator and printing out the Family and renderer values.
<render-kit>
<renderer>
<component-family>javax.faces.SelectOne</component-family>
<renderer-type>javax.faces.Menu</renderer-type>
<renderer-class>my.MenuRenderer</renderer-class>
</renderer>
</render-kit>
Fred -
Custom renderer on standard component
I try to implement a custom renderer to a standard component (<h:outputText>), but
my Tomcat failed to start the webcontainer.
here are my files:
faces-config.xml
<render-kit>
<renderer>
<renderer-type>MyRenderer</renderer-type>
<renderer-class>renderkit.MyRenderer</renderer-class>
</renderer>
<supported-component-class>
<component-class>javax.faces.Text</component-class>
</supported-component-class>
</render-kit>
...renderkit.MyRenderer.java
package renderkit;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
public class MyRenderer extends Renderer {
public void decode(FacesContext context, UIComponent component) {
System.out.println("decode");
if ((context == null) || (component == null)) {
throw new NullPointerException();
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
System.out.println("encodeBegin");
if ((context == null) || (component == null)) {
throw new NullPointerException();
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
System.out.println("encodeChildren");
if ((context == null) || (component == null)) {
throw new NullPointerException();
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
System.out.println("encodeEnd");
UIOutput comp = (UIOutput) component;
ResponseWriter writer = context.getResponseWriter();
StringBuffer sb = null;
writer.startElement("<test>", comp);
writer.write(comp.getValue().toString());
writer.endElement("</test>");
}<h:outputText> will use a rendererType of "javax.faces.Text"; to use a custom renderer on a standard component, you must not only write a renderer and register it, but also add a custom tag that uses that renderer type. Alternatively, you could use the "binding" attribute to set the renderer type like:
<h:outputText binding="#{someBean.customText}" .../>
public class SomeBean
public SomeBean()
HtmlOutputText customText = new HtmlOutputText();
customText.setRendererType("MyRenderer");
setCustomText(customText);
public HtmlOutputText getCustomText()
return _customText;
public void setCustomText(HtmlOutputText customText)
_customText = customText;
private HtmlOutputText _customText;
}-- Adam Winer (EG member) -
JTree custom renderer - JScrollPane
Hi,
I am building a JTree and need a custom renderer that will allow me to display the contents of certain leaf nodes in a JEditorPane that is contained in a scrollpane as the leaf may contain a varying amount of text.
I have managed to get a renderer displaying the text as expected however the scrollbars do not work as I hoped - I cannot scroll down the editorpane.
Has anyone got an example of a renderer that uses a scrollpane, any help/suggestions would be gratefully received.
ThanksReturn the size of your editor pane in customized cell renderer's getPreferredSize() method and set JTree rowHeight to zero. When row height is 0, it use renderer's getPreferredSize() to get size of the cell, I think. I have made custom cellrenderer which extends Jpanel and in getCellRendererComponent I add there another panel which contains buttons etc. I have used super.getPreferredSize() in my renderer's getPreferredSize() method.
-
Cell with boolean value not rendering properly in Swing (custom renderer)
Hello All,
I have a problem rendenring boolean values when using a custom cell renderer inside a JTable; I managed to reproduce the issue with a dummy application. The application code follows:
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
* Simple GUI that uses custom cell rendering
* @author josevnz
public final class SimpleGui extends JFrame {
private static final long serialVersionUID = 1L;
private Logger log = Logger.getLogger(SimpleGui.class.getName());
private JTable simpleTable;
public SimpleGui() {
super("Simple GUI");
setPreferredSize(new Dimension(500, 500));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new BorderLayout());
public void constructGui() {
simpleTable = new JTable(new SimpleTableModel());
simpleTable.getColumnModel().getColumn(2).setCellRenderer(new HasItCellRenderer());
SpecialCellRenderer specRen = new SpecialCellRenderer(log);
simpleTable.setDefaultRenderer(Double.class, specRen);
simpleTable.setDefaultRenderer(String.class, specRen);
simpleTable.setDefaultRenderer(Date.class, specRen);
//simpleTable.setDefaultRenderer(Boolean.class, specRen);
add(new JScrollPane(simpleTable), BorderLayout.CENTER);
pack();
setVisible(true);
private void populate() {
List <List<Object>>people = new ArrayList<List<Object>>();
List <Object>people1 = new ArrayList<Object>();
people1.add(0, "Jose");
people1.add(1, 500.333333567);
people1.add(2, Boolean.TRUE);
people1.add(3, new Date());
people.add(people1);
List <Object>people2 = new ArrayList<Object>();
people2.add(0, "Yes, you!");
people2.add(1, 100.522222);
people2.add(2, Boolean.FALSE);
people2.add(3, new Date());
people.add(people2);
List <Object>people3 = new ArrayList<Object>();
people3.add(0, "Who, me?");
people3.add(1, 0.00001);
people3.add(2, Boolean.TRUE);
people3.add(3, new Date());
people.add(people3);
List <Object>people4 = new ArrayList<Object>();
people4.add(0, "Peter Parker");
people4.add(1, 11.567444444);
people4.add(2, Boolean.FALSE);
people4.add(3, new Date());
people.add(people4);
((SimpleTableModel) simpleTable.getModel()).addAll(people);
* @param args
* @throws InvocationTargetException
* @throws InterruptedException
public static void main(String[] args) throws InterruptedException, InvocationTargetException {
final SimpleGui instance = new SimpleGui();
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
instance.constructGui();
instance.populate();
}I decided to write a more specific renderer just for that column:
import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableCellRenderer;
* Cell renderer used only by the DividendElement table
* @author josevnz
final class HasItCellRenderer extends DefaultTableCellRenderer {
protected static final long serialVersionUID = 2596173912618784286L;
private Color hasIt = new Color(255, 225, 0);
public HasItCellRenderer() {
super();
setOpaque(true);
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
Component comp = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
int desCol = table.convertColumnIndexToView(1);
if (! isSelected && value instanceof Boolean && column == desCol) {
if (((Boolean) value).booleanValue()) {
comp.setForeground(hasIt);
} else {
comp.setForeground(UIManager.getColor("table.foreground"));
return comp;
* Override for performance reasons
@Override
public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) {
// EMPTY
@Override
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
// EMPTY
@Override
public void revalidate() {
// EMPTY
@Override
public void validate() {
// EMPTY
} // end classBut the rendering comes all wrong (a String saying true or false, not the expected checkbox from the default renderer) and also there is a weird flickring effect as this particular boolean column is editable (per table model, not show here)...
I can post the table model and the other renderer if needed (didn't want to put too much code on the question, at least initiallty).
Should I render a checkbox myself for this cell in the custom renderer? I'm puzzled as I expected the default renderer part of the code to do this for me instead.
Thanks!
Edited by: josevnz on Apr 14, 2009 12:35 PM
Edited by: josevnz on Apr 14, 2009 12:37 PMcamickr
Thats because the default render is a JLabel and it just displays the text from the toString() method of the Object in the table model.What I meant to say is that I expected the JCheckbox not a String representation of the boolean value.
Thats because a different renderer is used depending on the Class of data in the column. Look at the source code for the JTable class to see what the "default >renderer for the Boolean class" is. Then you can extend that or if its a private class then you will need to copy all the code and customize it.At the end I looked at the code and replicated the functionality I needed. I thought than maybe there was a way to avoid replicating the same logic all over again in order to implement this functionality. Good advice, though.
see you learned nothing from your last posting. This is NOT a SSCCE. 90% of the code you posted is completely irrelevant for the described problem. There is abosutelly no need to post the custom TableModel, because there is no need to use a custom TableModel for this problem. The TableModel has nothing to do with how a column is rendererd.The custom table model returns the type of the column (giving a hint to the renderer on what to expect, right?) and for the one that had a problem it says than the class is Boolean. That's why I mentioned it:
public Class getColumnClass(int columnIndex) {
// Code omited....
You also posted data for 4 columns worth of data. Again, irrelevant. Your question is about a single column containing Boolean data, so forget about the other columns.
When creating a SSCCE you don't start with your existing code and "remove" code. You start with a brand new class and only add in what is important. That way hopefully if you made a mistake the first time you don't repeat it the second time.That's what I did, is not the real application. I copy & pasted code in a haste from this dummy program on this forum, not the best approach as it gave the wrong impression.
Learn how to write a proper SSCCE if you want help in the future. Point taken, but there is NO need for you to be rude. Your help is appreciated.
Regards,
Jose.
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