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/**
* Auto complete textbox via AJAX.
*/
Prado.AutoCompleter = Class.create();
/**
* Overrides parent implementation of updateElement by trimming the value.
*/
Prado.AutoCompleter.Base = function(){};
Prado.AutoCompleter.Base.prototype = Object.extend(Autocompleter.Base.prototype,
{
updateElement: function(selectedElement)
{
if (this.options.updateElement) {
this.options.updateElement(selectedElement);
return;
}
var value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
var lastTokenPos = this.findLastToken();
if (lastTokenPos != -1) {
var newValue = this.element.value.substr(0, lastTokenPos + 1);
var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);
if (whitespace)
newValue += whitespace[0];
this.element.value = (newValue + value).trim();
} else {
this.element.value = value.trim();
}
this.element.focus();
if (this.options.afterUpdateElement)
this.options.afterUpdateElement(this.element, selectedElement);
}
});
/**
* Based on the Prototype Autocompleter class.
* This client-side component should be instantiated from a Prado component.
* Usage: <t>new Prado.AutoCompleter('textboxID', 'updateDivID', {callbackID : '...'});
*/
Prado.AutoCompleter.prototype = Object.extend(new Autocompleter.Base(),
{
/**
* This component is initialized by
* <code>new Prado.AutoCompleter(...)</code>
* @param string the ID of the textbox element to observe
* @param string the ID of the div to display the auto-complete options
* @param array a hash of options, e.g. auto-completion token separator.
*/
initialize : function(element, update, options)
{
this.baseInitialize(element, update, options);
},
/**
* The callback function, i.e., function called on successful AJAX return.
* Calls update choices in the Autocompleter.
* @param string new auto-complete options for display
*/
onUpdateReturn : function(result)
{
if(isString(result) && result.length > 0)
this.updateChoices(result);
},
/**
* Requesting new choices using Prado's client-side callback scheme.
*/
getUpdatedChoices : function()
{
Prado.Callback(this.element.id, this.getToken(), this.onUpdateReturn.bind(this));
}
});
/**
* Prado TActivePanel client javascript. Usage
* <code>
* Prado.ActivePanel.register("id", options);
* Prado.ActivePanel.update("id", "hello");
* </code>
*/
Prado.ActivePanel =
{
callbacks : {},
register : function(id, options)
{
Prado.ActivePanel.callbacks[id] = options;
},
update : function(id, param)
{
var request = new Prado.ActivePanel.Request(id,
Prado.ActivePanel.callbacks[id]);
request.callback(param);
}
}
/**
* Client-script for TActivePanel. Uses Callback to notify the server
* for updates, if update option is set, the innerHTML of the update ID
* is set to the returned output.
*/
Prado.ActivePanel.Request = Class.create();
Prado.ActivePanel.Request.prototype =
{
initialize : function(element, options)
{
this.element = element;
this.setOptions(options);
},
/**
* Set some options.
*/
setOptions : function(options)
{
this.options =
{
onSuccess : this.onSuccess.bind(this)
}
Object.extend(this.options, options || {});
},
/**
* Make the callback request
*/
callback : function(param)
{
this.options.params = [param];
new Prado.AJAX.Callback(this.element, this.options);
},
/**
* Callback onSuccess handler, update the element innerHTML if necessary
*/
onSuccess : function(result, output)
{
if(this.options.update)
{
if (!this.options.evalScripts)
output = output.stripScripts();
Element.update(this.options.update, output);
}
}
}
/**
* Drop container to accept draggable component drops.
*/
Prado.DropContainer = Class.create();
Prado.DropContainer.prototype = Object.extend(new Prado.ActivePanel.Request(),
{
initialize : function(element, options)
{
this.element = element;
this.setOptions(options);
Object.extend(this.options,
{
onDrop : this.onDrop.bind(this),
evalScripts : true,
onSuccess : options.onSuccess || this.onSuccess.bind(this)
});
Droppables.add(element, this.options);
},
onDrop : function(draggable, droppable)
{
this.callback(draggable.id)
}
});
Prado.ActiveImageButton = Class.create();
Prado.ActiveImageButton.prototype =
{
initialize : function(element, options)
{
this.element = $(element);
this.options = options;
Event.observe(this.element, "click", this.click.bind(this));
},
click : function(e)
{
var el = $('{$this->ClientID}');
var imagePos = Position.cumulativeOffset(this.element);
var clickedPos = [e.clientX, e.clientY];
var param = (clickedPos[0]-imagePos[0]+1)+","+(clickedPos[1]-imagePos[1]+1);
Prado.Callback(this.element, param, null, this.options);
Event.stop(e);
}
}
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