have a look into the documentation for component "PropertySelection"
at
http://tapestry.apache.org/tapestry4.1/components/form/propertyselection.html
its more simplier then you think
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Hans Braxmeier schrieb:
Thanks for the answers. Because these are my first steps I don't
know how to get the selected item value and how to open a new html
page. The following code shows my tries:
Here the html code to create the form and a link
<form name="colors" id="colors">
<select name="color"
onChange="ognl:'javascript:document.form.colors.options[document.form.colors.selectedIndex].value'">
<option selected="selected" value="empty">select color</option>
<span jwcid="@Foreach" source="ognl:colors" value="ognl:currentColor"
index="ognl:currentColorIndex">
<span jwcid="@InsertText" value="ognl:colorString" raw="true"/>
</span>
</select>
</form>
<form jwcid="@Form">
<select jwcid="[EMAIL PROTECTED]" multiple="ognl:false"
validators="validators:required" onChange="ognl:...">
<span jwcid="@Foreach" source="ognl:colors" value="ognl:currentColor"
index="ognl:currentColorIndex">
<option jwcid="@Option" selected="ognl:selection[currentColorIndex]"
label="ognl:currentColor"/>
</span>
</select>
</form>
<a href="#" jwcid="@PageLink" page="ognl:currentColor"> Open page with color <span jwcid="@Insert"
value="ognl:currentColor">...</span></a>
and the java class
import org.apache.tapestry.event.PageBeginRenderListener;
public abstract class Home extends BasePage implements
PageBeginRenderListener{
private String[] colors = {"blue", "red", "green", "yellow",
"a", "b", "c"};
public abstract int getCurrentColorIndex();
public abstract String getCurrentColor();
public abstract boolean[] getSelection();
public abstract void setSelection(boolean[] selection);
public String getColorString() {
return "<option value='" +
getCurrentColorIndex() + "'>" +
colors[getCurrentColorIndex()] +
"</option>";
}
public String[] getColors() {
return colors;
}
public void pageBeginRender(PageEvent event) {
if (getSelection() == null) {
setSelection(new boolean[colors.length]);
}
}
}
Thanks for any help
Hans
On Sun, 1 Apr 2007, Martino Piccinato wrote:
I the problem is just opening a new page (simple javascript with no async
interaction with server) you could just extend tapestry list component
adding the desired javascript.
On 4/1/07, Yiannis Mavroukakis <[EMAIL PROTECTED]> wrote:
Hi Hans,
IMHO this is a nice candidate for the @EventListener.
Check out http://tapestry.apache.org/tapestry4.1/ajax/eventlistener.htmlfor
more details and examples.
-----Original Message-----
From: Hans Braxmeier [mailto:[EMAIL PROTECTED]
Sent: Sun 01/04/2007 11:26
To: users@tapestry.apache.org
Cc:
Subject: list box onchange
Hi,
I'm very new to tapestry and doing the first steps.
Does anybody know how to realize a list box, that opens onChange
a new html page? Everything works well with html and javascript,
but I could not get it work in tapestry.
the html code:
<form name="namelist">
<select class="choose" name="list" size="1" onChange="getValues()">
<option selected="selected" value="empty">select name</option>
<option value="john">John</option>
<option value="tom">Tom</option>
</select>
</form>
the js code:
function getValues() {
var name =
document.form.list.options[document.form.list.selectedIndex].value;
if (name == "empty") window.location.href = "index.html";
else window.location.href = name + ".html";
}
Thanks for any help
Hans
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