Coloring table on row/column dependent mode

hi all forumers.
I ve got a table wich is filled line per line
Each new line is inserted on top of table, and colored according to values of each cells.
When a new line is inserted, all previous lines are pushed down.
I wish colors could also be push down automaticaly, to be associated with the same cells.
Anyone know if it is possible?
(i m using LV6.1)
Thanks and congratulations to this very active forum, that is often very usefull.

I have been hesitating to answer because answers that start with "NO" are not very usefull. Well here goes.
No, the colors can not be slid down automatically.
If you are inserting the new lines at the top because you want to have the new entry visable, this can be done by inserting at the bottom.
The "index values" property will let you scroll the table to keep the last row visable after each row is added to the table.
If this acceptable, you will only have to update the colors for the cells in the row you are adding, but you would have to do this for adding at the top so no difference there.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

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Hi All,
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Why do you have 3 postings on this topic all made within minutes of each other? (see [url http://forum.java.sun.com/thread.jspa?threadID=574547&tstart=0]here and [url http://forum.java.sun.com/thread.jspa?threadID=574543&tstart=0]here).
If you created a post by mistake then make a comment in the posting so people don't waste there time attempting to answer an old post.
where change is the value of the third column.How do you know "change" is the value of the third column? Did you use a System.out.println(...) to verify this.
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Alternative Approach
I recently came across an approach where the "formatting" of the data is still done by the default renderers and the "row/table" rendering is done at the table level by overriding the prepareRenderer() method. This approach is much simpler, but the rendering is done in two different places. Is this a problem?
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import java.text.*;
import java.util.*;
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import javax.swing.border.*;
import javax.swing.table.*;
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}Before you make your final decision. What changes would be required for each solution in the following "what if " scenarios:
a) what if, you added a Boolean column to the table
b) what if, you added a second Double column to the table which should be formatted as a currency (ie. 1,234.5 --> $1,234.50).
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Well, here's a partila solution using technique from a link you cited in another thread.
import tests.basic.tables.ColorProvider;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.text.NumberFormat;
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        table.setDefaultRenderer(Boolean.class, new EtchedBorderTableCellRenderer(boolrenderer));
        JScrollPane scrollPane = new JScrollPane(table);
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        private NumberFormat formatter;
        public CurrencyRenderer() {
            super();
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            setHorizontalAlignment(SwingConstants.RIGHT);
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            if ((value != null) && (value instanceof Number)) {
                value = formatter.format(value);
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        frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
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}Boolean values are problematical since JCheckBox does seem to like borders, using a panel as I did in the Etched renderer seems to work. This solution need a little more work, this is submitted as a prototype
Cheers
DB

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I (also) strongly recommend mvvm.
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So you use a highlightbrush when something or other is true.
That highlightbrush is set to a blue brush when the user clicks left and a red brush when they click right.
Please don't forget to upvote posts which you like and mark those which answer your question.
My latest Technet article - Dynamic XAML

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We tried using the setBackGround but it is not working maybe we are not using it properly. Any help would be gr8.
Thanks in advance.

I don't understand very well, but i guess that the background is gray when the table content's empty, isn't it?
When the table model is empty, the JTable doesn't paint, so its container displays its background (often gray).
In this case, what you must do is force the table to paint, even if the model is empty. So, you have to create your own table and override three methods :
public class MyTable extends JTable
//specify the preferred and minum size when empty
myPreferredWidth = 200;
myPreferredHeigth =200;
myMinimunWidth = ...;
myMinimunHeigth = ...;
public Dimension getPreferredSize()
if(getModel().getRowCount() < 1)
return new Dimension(myPreferredWidth, myPreferredHeigth);
else
return super.getPreferredSize();
public Dimension getMinimumSize()
if( getModel().getRowCount() > 0)
return new Dimension(myMinimunWidth, myMinimunHeigth);
else
return super.getMinimumSize();
protected void paintComponent(Graphics g)
if (getModel().getRowCount<1 && isOpaque()) { //paint background
g.setColor(Color.white);
g.fillRect(0, 0, getWidth(), getHeight());
else super.paintComponent(g);
}

How to set text and background color of current row in a adf table?

Hi,
In jdev 11.1.2.3,
How to set text fond and background color of current row in a adf table?
I tried to set Background color in table property, but that is not what i want.
Thanks.

Hi,
We almost had the same requirement, but we just needed to color a specific column.
Here goes the solution to that, you might do the same for your row highlighting
Changes are required in jsff and one method to be added in backing bean
1. JSFF :
<af:column headerText="Amount"
                 id="c4" width="100"
                 inlineStyle="#{backingBeanScope.BackingBean.cellColor}">2. Backing Bean
//searchResultTableVO is Table's VO
public String getCellColor() {
      FacesContext ctx = FacesContext.getCurrentInstance();
      ExpressionFactory ef = ctx.getApplication().getExpressionFactory();
      ValueExpression ve = ef.createValueExpression(ctx.getELContext(), "#{row}", FacesCtrlHierNodeBinding.class);
      FacesCtrlHierNodeBinding node = (FacesCtrlHierNodeBinding)ve.getValue(ctx.getELContext());
      Row row = node.getRow();
    if(row.equals(searchResultTableVO.getCurrentRow())){
//You can add your inline style for font-style too
      return "background-color:Red;";
         return null;
}Hope this is helpful :)
Regards,
Neha..

Summing Selected Rows in Column Depending on Value in Another Column

I'd like to sum only the values in selected rows in a given column depending on the value of another column in the same row. For example, suppose I have a table (please disregard the underscores, needed for correct alignment):
___A____B____C___D
1__5___10___15___0
2_20___25___30___1
3_35___40___45___1
4_50___55___60___0
5__sum(D=1)
In cell B5, I'd like to compute the sum of only rows in column B for which the value of the corresponding column D is 1. In this case B5 would be 65.
How can I do this using functions? Is it possible to do it for a variable range of rows without specifying each row individually?
Thanks,
Dave

You should place your formula to other collumn then calculated ones or in another table. You will be able to calculate whole collumns with: =SUMIF(D;“=1”;B)
Formula for your example is: =SUMIF(D1:D4;“=1”;B1:B4)
VB

Coloring table on row/column dependent mode

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