After some more work, I've figured out how to update the text styles of my
grid columns. Basically I do the following:
1. Define a method to handle the onselect event
2. When onselect is triggered, the item received as a parameter is a
basegridrow. If you ask the item for its subviews you will get the text
views for each of the grid columns.
3. For each subview, set the fontstyle to what I want.
It seems odd to me that somehow the gridcolumn objects just disappear, but
perhaps these objects are just used to assist in the setting up the titles
and the things that get replicated are the text objects? Anyway it seems
to work and that's enough for me at this point.
On Tue, 10 Jan 2006 12:14:18 -0500, James Howe
<[EMAIL PROTECTED]> wrote:
Someone just pointed out that my datapaths for my grid columns all refer
to the same thing. This was just a copy/paste error when I edited the
code for publication to the e-mail list. Each column does point to a
separate element in the XML.
I also discovered that if I use the item which is available from the
select event I can talk to a basegridrow instance. However, it's not
clear to me how or whether I can get to the gridcolumns associated with
that row. I've looked at the methods that basegridrow implements (by
looking at the source code since this class seems to be undocumented)
and I didn't find any obvious way to get at the grid columns. Since
these items are replicated I'm wondering if I somehow have to talk to
the replication manager to get at this information. Seems like an
overly difficult way to get at something conceptually so simple.
Again, any and all help will be appreciated.
Thanks.
On Tue, 10 Jan 2006 11:03:36 -0500, James Howe
<[EMAIL PROTECTED]> wrote:
I'm still trying to figure out how to change the font style for all
columns in the currently selected row in a Grid. I tried to make this
work by subclassing Grid and adding methods to highlight/unhighlight
the text in the row. My class looks like this:
<class name="myGrid" spacing="2" extends="grid" showvlines="true"
bgcolor1="#EEEEEE" bgcolor0="white">
<gridcolumn name="column1" text="Column 1" width="180"
resizemargin="1" resizable="false">
<text font="Arial" fontstyle="bold" datapath="column1/text()"/>
</gridcolumn>
<gridcolumn name="column2" text="Column 2" width="${parent.width -
360}" resizemargin="1" resizable="false">
<text font="Arial" fontstyle="bold" datapath="column1/text()"/>
</gridcolumn>
<gridcolumn name="column3" text="Column 3" width="180"
resizemargin="1" resizable="false">
<text font="Arial" fontstyle="bold" datapath="column1/text()"/>
</gridcolumn>
<method name="highlightSelectedRow">
var currentRow = getSelection();
Debug.write("Current row: " + currentRow);
currentRow.column1.text.fontstyle="bold";
currentRow.column2.text.fontstyle="bold";
currentRow.column3.text.fontstyle="bold";
</method>
<method name="unhighlightSelectedRow">
var currentRow = getSelection();
Debug.write("Current row: " + currentRow);
currentRow.column1.text.fontstyle="plain";
currentRow.column2.text.fontstyle="plain";
currentRow.column3.text.fontstyle="plain";
</method>
</class>
I create an instance of this grid in a view and it gets populated via
XML. I've added a method to handle the selection event and when this
event is triggered, I call the unhighlightSelectedRow method. This
much of the code works. When I select the item, the method gets called
and I see the debug message displaying some minimal information about
the current row (the result of doing a getSelection() call). What
confuses me is that the result of getSelection() is an instance of
LzDatapointer. I'm obviously hopelessly confused about how to get at
the columns defined in my grid. Can someone offer some information
about how grids work and how I might be able to access the individual
text objects associated with each column of the selected row?
Thanks!
--
James Howe
_______________________________________________
Laszlo-user mailing list
[email protected]
http://www.openlaszlo.org/mailman/listinfo/laszlo-user
