happstack-yui-7372.5.1: bundle/resize-plugin/resize-plugin-coverage.js
/*
YUI 3.7.2 (build 5639)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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YUI.add('resize-plugin', function (Y, NAME) {
/**
* The Resize Plugin allows you to make a Node or a Widget resizable. It supports all the functionality of
* the standalone Resize utility. Additionally, resizing a widget updates the widget's height,width and x,y
* attributes, if they exist.
var overlay = new Y.Overlay({
width: "200px",
srcNode: "#overlay",
visible: false,
align: {node:".example", points:["tc", "bc"]}
});
overlay.plug(Y.Plugin.Resize);
*
* @module resize
* @submodule resize-plugin
* @extends Resize
* @class Plugin.Resize
* @constructor
*/
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var ResizePlugin = function(config) {
//if its a widget, get the bounding box
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config.node = ((Y.Widget && config.host instanceof Y.Widget) ? config.host.get('boundingBox') : config.host);
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if (config.host instanceof Y.Widget) {
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config.widget = config.host;
}
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config.widget = false;
}
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ResizePlugin.superclass.constructor.call(this, config);
};
/**
* @property NAME
* @description resize-plugin
* @type {String}
*/
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ResizePlugin.NAME = "resize-plugin";
/**
* @property NS
* @description The Resize instance will be placed on the Node instance under the resize namespace. It can be accessed via Node.resize or Widget.resize;
* @type {String}
*/
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ResizePlugin.NS = "resize";
/**
* Static property used to define the default attribute
* configuration for the Resize plugin.
*
* @property ATTRS
* @type Object
* @static
*/
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ResizePlugin.ATTRS = {
/**
* Stores the node that is being resized
*
* @attribute node
* @default undefined
* @public
*/
node: {
value: undefined
},
/**
* Stores the widget that the node belongs to, if one exists
*
* @attribute widget
* @default undefined
* @public
*/
widget: {
value:undefined
}
};
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Y.extend(ResizePlugin, Y.Resize, {
/**
* Stores the values for node and widget, and sets up an event-listener
*
* @method initializer
* @protected
*/
initializer: function(config) {
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this.set('node', config.node);
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this.set('widget', config.widget);
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this.on('resize:resize', function(e) {
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this._correctDimensions(e);
});
},
/**
* Updates the node's (x,y) values if they are changed via resizing.
* If the node belongs to a widget, passes the widget down to _setWidgetProperties method
*
* @method _correctDimensions
* @param {EventFacade} e The Event object
* @private
*/
_correctDimensions: function(e) {
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var node = this.get('node'),
x = {
old: node.getX(),
cur: e.currentTarget.info.left
},
y = {
old: node.getY(),
cur: e.currentTarget.info.top
};
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if (this.get('widget')) {
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this._setWidgetProperties(e, x, y);
}
//now set properties on just the node or the widget's bounding box
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if (this._isDifferent(x.old, x.cur)) {
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node.set('x', x.cur);
}
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if (this._isDifferent(y.old, y.cur)) {
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node.set('y', y.cur);
}
},
/**
* If the host is a widget, then set the width, height. Then look for widgetPosition and set x,y
*
* @method _setWidgetProperties
* @param {EventFacade} e The Event object
* @param {Object} x Literal containing old x value and current x value
* @param {Object} y Literal containing old y value and current y value
* @private
*/
_setWidgetProperties: function(e,x,y) {
//all widgets have width/height attrs. change these only if they differ from the old values
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var widget = this.get('widget'),
oldHeight = widget.get('height'),
oldWidth = widget.get('width'),
currentWidth = e.currentTarget.info.offsetWidth - e.currentTarget.totalHSurrounding,
currentHeight = e.currentTarget.info.offsetHeight - e.currentTarget.totalVSurrounding;
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if (this._isDifferent(oldHeight, currentHeight)) {
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widget.set('height', currentHeight);
}
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if (this._isDifferent(oldWidth, currentWidth)) {
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widget.set('width', currentWidth);
}
//If the widget uses Y.WidgetPosition, it will also have x,y position support.
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widget.set('x', x.cur);
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widget.set('y', y.cur);
}
}
},
/**
* a little utility method that returns a value if the old !== new, otherwise it returns false.
*
* @method _isDifferent
* @param {Number} oldVal
* @param {Number} newVal
* @private
*/
_isDifferent: function(oldVal, newVal) {
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var retValue = false;
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retValue = newVal;
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return retValue;
}
});
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Y.namespace('Plugin');
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Y.Plugin.Resize = ResizePlugin;
}, '3.7.2', {"requires": ["resize-base", "plugin"], "optional": ["resize-constrain"]});