Google Wave
Gadgets API
state callback
state delta
wave.setStateCallback(update);
function update() {
var keys = wave.getState().getKeys();
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
if (key.match('^vote-')) {
total += parseInt(wave.getState().get(key));
count++;
}
}
document.getElementById('total').innerHTML = total;
}
function onClick() {
wave.getState().submitValue('vote-' wave.getViewer().getId(), -1);
}
<doc>
<body>
<line t="h3"></line>
I am so hungry, I could eat a T-Rex!
<line></line>
<w:gadget author="pamelafox@google.com" url="http://plus-one.appspot.com/plus-one.xml" height="43">
</w:gadget>
</body>
</doc>
<doc>
<body>
<line t="h3"></line>
I am so hungry, I could eat a T-Rex!
<line></line>
<w:gadget author="pamelafox@google.com" url="http://plus-one.appspot.com/plus-one.xml" height="43">
<w:state name="vote-douwe@google.com" value="-1"/>
</w:gadget>
</body>
</doc>
Shared State
State XML
State Delta
State Callback
