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YUI.add('yql', function(Y) { | ||
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//Global storage for the callbacks | ||
if (!YUI.yql) { | ||
YUI.yql = {}; | ||
} | ||
/** | ||
* This class adds a sugar class to allow access to YQL (http://developer.yahoo.com/yql/). | ||
* @module yql | ||
*/ | ||
/** | ||
* This class adds a sugar class to allow access to YQL (http://developer.yahoo.com/yql/). | ||
* @class yql | ||
* @extends Event.Target | ||
* @constructor | ||
* @param {String} sql The SQL statement to execute | ||
* @param {Function} callback The callback to execute after the query (optional). | ||
* @param {Object} params An object literal of extra parameters to pass along (optional). | ||
* @param {Object} opts An object literal of extra options to pass along to the Get Utility (optional). | ||
*/ | ||
var BASE_URL = 'http:/'+'/query.yahooapis.com/v1/public/yql?', | ||
yql = function (sql, callback, params, opts) { | ||
yql.superclass.constructor.apply(this); | ||
this._query(sql, callback, params, opts); | ||
}; | ||
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Y.extend(yql, Y.EventTarget, { | ||
/** | ||
* @private | ||
* @property _cb | ||
* @description The callback method | ||
*/ | ||
_cb: null, | ||
/** | ||
* @private | ||
* @property _stamp | ||
* @description The method name on the Global YUI object we use as the callback. | ||
*/ | ||
_stamp: null, | ||
/** | ||
* @private | ||
* @method _receiver | ||
* @description The global callback that get's called from Get. | ||
* @param {Object} q The JSON object from YQL. | ||
*/ | ||
_receiver: function(q) { | ||
if (q.query) { | ||
this.fire('query', q.query); | ||
} | ||
if (q.error) { | ||
this.fire('error', q.error); | ||
} | ||
if (this._cb) { | ||
this._cb(q); | ||
} | ||
delete YUI.yql[this._stamp]; | ||
}, | ||
/** | ||
* @private | ||
* @method _query | ||
* @description Builds the query and fire the Get call. | ||
* @param {String} sql The SQL statement to execute | ||
* @param {Function} callback The callback to execute after the query (optional). | ||
* @param {Object} params An object literal of extra parameters to pass along (optional). | ||
* @param {Object} opts An object literal of extra options to pass along to the Get Utility (optional). | ||
* @return Self | ||
*/ | ||
_query: function(sql, callback, params, opts) { | ||
var st = Y.stamp({}), qs = '', url; | ||
//Must replace the dashes with underscrores | ||
st = st.replace(/-/g, '_'); | ||
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this._stamp = st; | ||
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this._cb = callback; | ||
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YUI.yql[st] = Y.bind(this._receiver, this); | ||
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if (!params) { | ||
params = {}; | ||
} | ||
params.q = sql; | ||
params.format = 'json'; | ||
params.callback = "YUI.yql." + st; | ||
if (!params.env) { | ||
params.env = 'http:/'+'/datatables.org/alltables.env'; | ||
} | ||
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Y.each(params, function(v, k) { | ||
qs += k + '=' + encodeURIComponent(v) + '&'; | ||
}); | ||
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if (!opts) { | ||
opts = {}; | ||
} | ||
opts.autopurge = true; | ||
opts.context = this; | ||
opts.onTimeout = function(o){ | ||
this.fire('timeout', o); | ||
if (this._cb) { | ||
this._cb(o); | ||
this._cb = null; | ||
} | ||
}; | ||
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url = BASE_URL + qs; | ||
Y.Get.script(url, opts); | ||
return this; | ||
} | ||
}); | ||
/** | ||
* @event query | ||
* @description Fires when the Query returns. | ||
* @type {Event.Custom} | ||
*/ | ||
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/** | ||
* @event error | ||
* @description Fires when an error occurs. | ||
* @type {Event.Custom} | ||
*/ | ||
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/** | ||
* @event timeout | ||
* @description Fires when the request has timed-out. | ||
* @type {Event.Custom} | ||
*/ | ||
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Y.yql = yql; | ||
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}, '@VERSION@' ,{requires:['get', 'event-custom'], supersedes:['get', 'event-custom']}); |
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@@ -0,0 +1,133 @@ | ||
YUI.add('yql', function(Y) { | ||
|
||
//Global storage for the callbacks | ||
if (!YUI.yql) { | ||
YUI.yql = {}; | ||
} | ||
/** | ||
* This class adds a sugar class to allow access to YQL (http://developer.yahoo.com/yql/). | ||
* @module yql | ||
*/ | ||
/** | ||
* This class adds a sugar class to allow access to YQL (http://developer.yahoo.com/yql/). | ||
* @class yql | ||
* @extends Event.Target | ||
* @constructor | ||
* @param {String} sql The SQL statement to execute | ||
* @param {Function} callback The callback to execute after the query (optional). | ||
* @param {Object} params An object literal of extra parameters to pass along (optional). | ||
* @param {Object} opts An object literal of extra options to pass along to the Get Utility (optional). | ||
*/ | ||
var BASE_URL = 'http:/'+'/query.yahooapis.com/v1/public/yql?', | ||
yql = function (sql, callback, params, opts) { | ||
yql.superclass.constructor.apply(this); | ||
this._query(sql, callback, params, opts); | ||
}; | ||
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Y.extend(yql, Y.EventTarget, { | ||
/** | ||
* @private | ||
* @property _cb | ||
* @description The callback method | ||
*/ | ||
_cb: null, | ||
/** | ||
* @private | ||
* @property _stamp | ||
* @description The method name on the Global YUI object we use as the callback. | ||
*/ | ||
_stamp: null, | ||
/** | ||
* @private | ||
* @method _receiver | ||
* @description The global callback that get's called from Get. | ||
* @param {Object} q The JSON object from YQL. | ||
*/ | ||
_receiver: function(q) { | ||
if (q.query) { | ||
this.fire('query', q.query); | ||
} | ||
if (q.error) { | ||
this.fire('error', q.error); | ||
} | ||
if (this._cb) { | ||
this._cb(q); | ||
} | ||
delete YUI.yql[this._stamp]; | ||
}, | ||
/** | ||
* @private | ||
* @method _query | ||
* @description Builds the query and fire the Get call. | ||
* @param {String} sql The SQL statement to execute | ||
* @param {Function} callback The callback to execute after the query (optional). | ||
* @param {Object} params An object literal of extra parameters to pass along (optional). | ||
* @param {Object} opts An object literal of extra options to pass along to the Get Utility (optional). | ||
* @return Self | ||
*/ | ||
_query: function(sql, callback, params, opts) { | ||
var st = Y.stamp({}), qs = '', url; | ||
//Must replace the dashes with underscrores | ||
st = st.replace(/-/g, '_'); | ||
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this._stamp = st; | ||
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this._cb = callback; | ||
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YUI.yql[st] = Y.bind(this._receiver, this); | ||
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if (!params) { | ||
params = {}; | ||
} | ||
params.q = sql; | ||
params.format = 'json'; | ||
params.callback = "YUI.yql." + st; | ||
if (!params.env) { | ||
params.env = 'http:/'+'/datatables.org/alltables.env'; | ||
} | ||
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Y.each(params, function(v, k) { | ||
qs += k + '=' + encodeURIComponent(v) + '&'; | ||
}); | ||
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if (!opts) { | ||
opts = {}; | ||
} | ||
opts.autopurge = true; | ||
opts.context = this; | ||
opts.onTimeout = function(o){ | ||
this.fire('timeout', o); | ||
if (this._cb) { | ||
this._cb(o); | ||
this._cb = null; | ||
} | ||
}; | ||
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url = BASE_URL + qs; | ||
Y.Get.script(url, opts); | ||
return this; | ||
} | ||
}); | ||
/** | ||
* @event query | ||
* @description Fires when the Query returns. | ||
* @type {Event.Custom} | ||
*/ | ||
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/** | ||
* @event error | ||
* @description Fires when an error occurs. | ||
* @type {Event.Custom} | ||
*/ | ||
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/** | ||
* @event timeout | ||
* @description Fires when the request has timed-out. | ||
* @type {Event.Custom} | ||
*/ | ||
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Y.yql = yql; | ||
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}, '@VERSION@' ,{requires:['get', 'event-custom'], supersedes:['get', 'event-custom']}); |
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Software License Agreement (BSD License) | ||
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Copyright (c) 2007, Dav Glass <dav.glass@yahoo.com>. | ||
All rights reserved. | ||
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Redistribution and use of this software in source and binary forms, with or without modification, are | ||
permitted provided that the following conditions are met: | ||
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* Redistributions of source code must retain the above | ||
copyright notice, this list of conditions and the | ||
following disclaimer. | ||
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* Redistributions in binary form must reproduce the above | ||
copyright notice, this list of conditions and the | ||
following disclaimer in the documentation and/or other | ||
materials provided with the distribution. | ||
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* The name of Dav Glass may not be used to endorse or promote products | ||
derived from this software without specific prior | ||
written permission of Dav Glass. | ||
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED | ||
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | ||
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | ||
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | ||
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
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