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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dojox.widget.rotator.Controller"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.widget.rotator.Controller"] = true;
dojo.provide("dojox.widget.rotator.Controller");
(function(d){
var _dojoxRotator = "dojoxRotator",
_play = _dojoxRotator + "Play",
_pause = _dojoxRotator + "Pause",
_number = _dojoxRotator + "Number",
_tab = _dojoxRotator + "Tab",
_selected = _dojoxRotator + "Selected";
d.declare("dojox.widget.rotator.Controller", null, {
// summary:
// A controller that manipulates a Rotator or AutoRotator.
//
// description:
// Displays a series of controls that send actions to a Rotator or
// AutoRotator. The Controller supports the following controls:
//
// * Next pane
// * Previous pane
// * Play/Pause toggler
// * Numbered tabs
// * Titled tabs
// * Information
//
// You may specify any of these controls in any order. You may also
// have multiple Controllers tied to a single Rotator instance.
//
// The Controller's DOM node may also be styled for positioning or
// other styled preferences.
//
// example:
// | <div dojoType="dojox.widget.rotator.Controller"
// | rotator="myRotator"
// | ></div>
//
// example:
// | <div dojoType="dojox.widget.rotator.Controller"
// | rotator="myRotator"
// | controls="prev,#,next"
// | class="myCtrl"
// | ></div>
//
// example:
// | <div dojoType="dojox.widget.rotator.Controller"
// | rotator="myRotator"
// | controls="titles"
// | class="myCtrl"
// | ></div>s
// rotator: dojox.widget.Rotator
// An instance of a Rotator widget.
rotator: null,
// commands: string
// A comma-separated list of commands. Valid commands are:
// prev An icon button to go to the previous pane.
// next An icon button to go to the next pane.
// play/pause A play and pause toggle icon button.
// info Displays the current and total panes. (ie "1 / 4")
// # Displays a number button for each pane. (ie "1 2 3 4")
// titles Displays each pane's title as a tab. (ie "Home Services Contact Blog")
commands: "prev,play/pause,info,next",
constructor: function(/*Object*/params, /*DomNode|string*/node){
// summary:
// Initializes the pager and connect to the rotator.
d.mixin(this, params);
// check if we have a valid rotator
var r = this.rotator;
if(r){
// remove all of the controller's child nodes just in case
while(node.firstChild){
node.removeChild(node.firstChild);
}
var ul = this._domNode = d.create("ul", null, node),
icon = " " + _dojoxRotator + "Icon",
// helper function for creating a button
cb = function(/*string*/label, /*string*/css, /*array*/action){
d.create("li", {
className: css,
innerHTML: '<a href="#"><span>' + label + '</span></a>',
onclick: function(/*event*/e){
d.stopEvent(e);
if(r){
r.control.apply(r, action);
}
}
}, ul);
};
// build out the commands
d.forEach(this.commands.split(','), function(b, i){
switch(b){
case "prev":
cb("Prev", _dojoxRotator + "Prev" + icon, ["prev"]);
break;
case "play/pause":
cb("Play", _play + icon, ["play"]);
cb("Pause", _pause + icon, ["pause"]);
break;
case "info":
this._info = d.create("li", {
className: _dojoxRotator + "Info",
innerHTML: this._buildInfo(r)
}, ul);
break;
case "next":
cb("Next", _dojoxRotator + "Next" + icon, ["next"]);
break;
case "#":
case "titles":
for(var j=0; j<r.panes.length; j++){
cb(
/*label*/ b == '#' ? j+1 : r.panes[j].title || "Tab " + (j+1),
/*css*/ (b == '#' ? _number : _tab) + ' ' + (j == r.idx ? _selected : "") + ' ' + _dojoxRotator + "Pane" + j,
/*action*/ ["go", j]
);
}
break;
}
}, this);
// add the first/last classes for styling
d.query("li:first-child", ul).addClass(_dojoxRotator + "First");
d.query("li:last-child", ul).addClass(_dojoxRotator + "Last");
// set the initial state of the play/pause toggle button
this._togglePlay();
this._con = d.connect(r, "onUpdate", this, "_onUpdate");
}
},
destroy: function(){
// summary:
// Disconnect from the rotator.
d.disconnect(this._con);
d.destroy(this._domNode);
},
_togglePlay: function(/*boolean*/playing){
// summary:
// Toggles the play/pause button, if it exists.
var p = this.rotator.playing;
d.query('.'+_play, this._domNode).style("display", p ? "none" : "");
d.query('.'+_pause, this._domNode).style("display", p ? "" : "none");
},
_buildInfo: function(/*dojox.widget.Rotator*/r){
// summary:
// Return a string containing the current pane number and the total number of panes.
return '<span>' + (r.idx+1) + ' / ' + r.panes.length + '</span>'; /*string*/
},
_onUpdate: function(/*string*/type){
// summary:
// Updates various pager controls when the rotator updates.
var r = this.rotator; // no need to test if this is null since _onUpdate is only fired by the rotator
switch(type){
case "play":
case "pause":
this._togglePlay();
break;
case "onAfterTransition":
if(this._info){
this._info.innerHTML = this._buildInfo(r);
}
// helper function for selecting the current tab
var s = function(/*NodeList*/n){
if(r.idx < n.length){
d.addClass(n[r.idx], _selected);
}
};
s(d.query('.' + _number, this._domNode).removeClass(_selected));
s(d.query('.' + _tab, this._domNode).removeClass(_selected));
break;
}
}
});
})(dojo);
}
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