happstack-yui-7373.5.2: bundle/dd-constrain/dd-constrain-coverage.js
/*
YUI 3.7.3 (build 5687)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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It supports tick based moves and XY axis constraints."," * @class DDConstrained"," * @extends Base"," * @constructor"," * @namespace Plugin"," */",""," var DRAG_NODE = 'dragNode',"," OFFSET_HEIGHT = 'offsetHeight',"," OFFSET_WIDTH = 'offsetWidth',"," HOST = 'host',"," TICK_X_ARRAY = 'tickXArray',"," TICK_Y_ARRAY = 'tickYArray',"," DDM = Y.DD.DDM,"," TOP = 'top',"," RIGHT = 'right',"," BOTTOM = 'bottom',"," LEFT = 'left',"," VIEW = 'view',"," proto = null,",""," /**"," * @event drag:tickAlignX"," * @description Fires when this node is aligned with the tickX value."," * @param {EventFacade} event An Event Facade object"," * @type {CustomEvent}"," */"," EV_TICK_ALIGN_X = 'drag:tickAlignX',",""," /**"," * @event drag:tickAlignY"," * @description Fires when this node is aligned with the tickY value."," * @param {EventFacade} event An Event Facade object"," * @type {CustomEvent}"," */"," EV_TICK_ALIGN_Y = 'drag:tickAlignY',",""," C = function() {"," this._lazyAddAttrs = false;"," C.superclass.constructor.apply(this, arguments);"," };",""," C.NAME = 'ddConstrained';"," /**"," * @property NS"," * @default con"," * @readonly"," * @protected"," * @static"," * @description The Constrained instance will be placed on the Drag instance under the con namespace."," * @type {String}","*/"," C.NS = 'con';",""," C.ATTRS = {"," host: {"," },"," /**"," * @attribute stickX"," * @description Stick the drag movement to the X-Axis. Default: false"," * @type Boolean"," */"," stickX: {"," value: false"," },"," /**"," * @attribute stickY"," * @description Stick the drag movement to the Y-Axis"," * @type Boolean"," */"," stickY: {"," value: false"," },"," /**"," * @attribute tickX"," * @description The X tick offset the drag node should snap to on each drag move. False for no ticks. Default: false"," * @type Number/false"," */"," tickX: {"," value: false"," },"," /**"," * @attribute tickY"," * @description The Y tick offset the drag node should snap to on each drag move. False for no ticks. Default: false"," * @type Number/false"," */"," tickY: {"," value: false"," },"," /**"," * @attribute tickXArray"," * @description An array of page coordinates to use as X ticks for drag movement."," * @type Array"," */"," tickXArray: {"," value: false"," },"," /**"," * @attribute tickYArray"," * @description An array of page coordinates to use as Y ticks for drag movement."," * @type Array"," */"," tickYArray: {"," value: false"," },"," /**"," * CSS style string for the gutter of a region (supports negative values): '5 0'"," * (sets top and bottom to 5px, left and right to 0px), '1 2 3 4' (top 1px, right 2px, bottom 3px, left 4px)"," * @attribute gutter"," * @type String"," */"," gutter: {"," value: '0',"," setter: function(gutter) {"," return Y.DD.DDM.cssSizestoObject(gutter);"," }"," },"," /**"," * @attribute constrain"," * @description Will attempt to constrain the drag node to the boundaries. Arguments:<br>"," * 'view': Contrain to Viewport<br>"," * '#selector_string': Constrain to this node<br>"," * '{Region Object}': An Object Literal containing a valid region (top, right, bottom, left) of page positions"," * @type {String/Object/Node}"," */"," constrain: {"," value: VIEW,"," setter: function(con) {"," var node = Y.one(con);"," if (node) {"," con = node;"," }"," return con;"," }"," },"," /**"," * @deprecated"," * @attribute constrain2region"," * @description An Object Literal containing a valid region (top, right, bottom, left) of page positions to constrain the drag node to."," * @type Object"," */"," constrain2region: {"," setter: function(r) {"," return this.set('constrain', r);"," }"," },"," /**"," * @deprecated"," * @attribute constrain2node"," * @description Will attempt to constrain the drag node to the boundaries of this node."," * @type Object"," */"," constrain2node: {"," setter: function(n) {"," return this.set('constrain', Y.one(n));"," }"," },"," /**"," * @deprecated"," * @attribute constrain2view"," * @description Will attempt to constrain the drag node to the boundaries of the viewport region."," * @type Object"," */"," constrain2view: {"," setter: function() {"," return this.set('constrain', VIEW);"," }"," },"," /**"," * @attribute cacheRegion"," * @description Should the region be cached for performace. Default: true"," * @type Boolean"," */"," cacheRegion: {"," value: true"," }"," };",""," proto = {"," _lastTickXFired: null,"," _lastTickYFired: null,",""," initializer: function() {"," this._createEvents();",""," this._eventHandles = ["," this.get(HOST).on('drag:end', Y.bind(this._handleEnd, this)),"," this.get(HOST).on('drag:start', Y.bind(this._handleStart, this)),"," this.get(HOST).after('drag:align', Y.bind(this.align, this)),"," this.get(HOST).after('drag:drag', Y.bind(this.drag, this))"," ];"," },"," destructor: function() {"," Y.each("," this._eventHandles,"," function(handle) {"," handle.detach();"," }"," );",""," this._eventHandles.length = 0;"," },"," /**"," * @private"," * @method _createEvents"," * @description This method creates all the events for this Event Target and publishes them so we get Event Bubbling."," */"," _createEvents: function() {"," var ev = ["," EV_TICK_ALIGN_X,"," EV_TICK_ALIGN_Y"," ];",""," Y.each(ev, function(v) {"," this.publish(v, {"," type: v,"," emitFacade: true,"," bubbles: true,"," queuable: false,"," prefix: 'drag'"," });"," }, this);"," },"," /**"," * @private"," * @method _handleEnd"," * @description Fires on drag:end"," */"," _handleEnd: function() {"," this._lastTickYFired = null;"," this._lastTickXFired = null;"," },"," /**"," * @private"," * @method _handleStart"," * @description Fires on drag:start and clears the _regionCache"," */"," _handleStart: function() {"," this.resetCache();"," },"," /**"," * @private"," * @property _regionCache"," * @description Store a cache of the region that we are constraining to"," * @type Object"," */"," _regionCache: null,"," /**"," * @private"," * @method _cacheRegion"," * @description Get's the region and caches it, called from window.resize and when the cache is null"," */"," _cacheRegion: function() {"," this._regionCache = this.get('constrain').get('region');"," },"," /**"," * @method resetCache"," * @description Reset the internal region cache."," */"," resetCache: function() {"," this._regionCache = null;"," },"," /**"," * @private"," * @method _getConstraint"," * @description Standardizes the 'constraint' attribute"," */"," _getConstraint: function() {"," var con = this.get('constrain'),"," g = this.get('gutter'),"," region;",""," if (con) {"," if (con instanceof Y.Node) {"," if (!this._regionCache) {"," this._eventHandles.push(Y.on('resize', Y.bind(this._cacheRegion, this), Y.config.win));"," this._cacheRegion();"," }"," region = Y.clone(this._regionCache);"," if (!this.get('cacheRegion')) {"," this.resetCache();"," }"," } else if (Y.Lang.isObject(con)) {"," region = Y.clone(con);"," }"," }"," if (!con || !region) {"," con = VIEW;"," }"," if (con === VIEW) {"," region = this.get(HOST).get(DRAG_NODE).get('viewportRegion');"," }",""," Y.each(g, function(i, n) {"," if ((n === RIGHT) || (n === BOTTOM)) {"," region[n] -= i;"," } else {"," region[n] += i;"," }"," });"," return region;"," },",""," /**"," * @method getRegion"," * @description Get the active region: viewport, node, custom region"," * @param {Boolean} inc Include the node's height and width"," * @return {Object} The active region."," */"," getRegion: function(inc) {"," var r = {}, oh = null, ow = null,"," host = this.get(HOST);",""," r = this._getConstraint();",""," if (inc) {"," oh = host.get(DRAG_NODE).get(OFFSET_HEIGHT);"," ow = host.get(DRAG_NODE).get(OFFSET_WIDTH);"," r[RIGHT] = r[RIGHT] - ow;"," r[BOTTOM] = r[BOTTOM] - oh;"," }"," return r;"," },"," /**"," * @private"," * @method _checkRegion"," * @description Check if xy is inside a given region, if not change to it be inside."," * @param {Array} _xy The XY to check if it's in the current region, if it isn't"," * inside the region, it will reset the xy array to be inside the region."," * @return {Array} The new XY that is inside the region"," */"," _checkRegion: function(_xy) {"," var oxy = _xy,"," r = this.getRegion(),"," host = this.get(HOST),"," oh = host.get(DRAG_NODE).get(OFFSET_HEIGHT),"," ow = host.get(DRAG_NODE).get(OFFSET_WIDTH);",""," if (oxy[1] > (r[BOTTOM] - oh)) {"," _xy[1] = (r[BOTTOM] - oh);"," }"," if (r[TOP] > oxy[1]) {"," _xy[1] = r[TOP];",""," }"," if (oxy[0] > (r[RIGHT] - ow)) {"," _xy[0] = (r[RIGHT] - ow);"," }"," if (r[LEFT] > oxy[0]) {"," _xy[0] = r[LEFT];"," }",""," return _xy;"," },"," /**"," * @method inRegion"," * @description Checks if the XY passed or the dragNode is inside the active region."," * @param {Array} xy Optional XY to check, if not supplied this.get('dragNode').getXY() is used."," * @return {Boolean} True if the XY is inside the region, false otherwise."," */"," inRegion: function(xy) {"," xy = xy || this.get(HOST).get(DRAG_NODE).getXY();",""," var _xy = this._checkRegion([xy[0], xy[1]]),"," inside = false;"," if ((xy[0] === _xy[0]) && (xy[1] === _xy[1])) {"," inside = true;"," }"," return inside;"," },"," /**"," * @method align"," * @description Modifies the Drag.actXY method from the after drag:align event. This is where the constraining happens."," */"," align: function() {"," var host = this.get(HOST),"," _xy = [host.actXY[0], host.actXY[1]],"," r = this.getRegion(true);",""," if (this.get('stickX')) {"," _xy[1] = (host.startXY[1] - host.deltaXY[1]);"," }"," if (this.get('stickY')) {"," _xy[0] = (host.startXY[0] - host.deltaXY[0]);"," }",""," if (r) {"," _xy = this._checkRegion(_xy);"," }",""," _xy = this._checkTicks(_xy, r);",""," host.actXY = _xy;"," },"," /**"," * @method drag"," * @description Fires after drag:drag. Handle the tickX and tickX align events."," */"," drag: function() {"," var host = this.get(HOST),"," xt = this.get('tickX'),"," yt = this.get('tickY'),"," _xy = [host.actXY[0], host.actXY[1]];",""," if ((Y.Lang.isNumber(xt) || this.get(TICK_X_ARRAY)) && (this._lastTickXFired !== _xy[0])) {"," this._tickAlignX();"," this._lastTickXFired = _xy[0];"," }",""," if ((Y.Lang.isNumber(yt) || this.get(TICK_Y_ARRAY)) && (this._lastTickYFired !== _xy[1])) {"," this._tickAlignY();"," this._lastTickYFired = _xy[1];"," }"," },"," /**"," * @private"," * @method _checkTicks"," * @description This method delegates the proper helper method for tick calculations"," * @param {Array} xy The XY coords for the Drag"," * @param {Object} r The optional region that we are bound to."," * @return {Array} The calced XY coords"," */"," _checkTicks: function(xy, r) {"," var host = this.get(HOST),"," lx = (host.startXY[0] - host.deltaXY[0]),"," ly = (host.startXY[1] - host.deltaXY[1]),"," xt = this.get('tickX'),"," yt = this.get('tickY');"," if (xt && !this.get(TICK_X_ARRAY)) {"," xy[0] = DDM._calcTicks(xy[0], lx, xt, r[LEFT], r[RIGHT]);"," }"," if (yt && !this.get(TICK_Y_ARRAY)) {"," xy[1] = DDM._calcTicks(xy[1], ly, yt, r[TOP], r[BOTTOM]);"," }"," if (this.get(TICK_X_ARRAY)) {"," xy[0] = DDM._calcTickArray(xy[0], this.get(TICK_X_ARRAY), r[LEFT], r[RIGHT]);"," }"," if (this.get(TICK_Y_ARRAY)) {"," xy[1] = DDM._calcTickArray(xy[1], this.get(TICK_Y_ARRAY), r[TOP], r[BOTTOM]);"," }",""," return xy;"," },"," /**"," * @private"," * @method _tickAlignX"," * @description Fires when the actXY[0] reach a new value respecting the tickX gap."," */"," _tickAlignX: function() {"," this.fire(EV_TICK_ALIGN_X);"," },"," /**"," * @private"," * @method _tickAlignY"," * @description Fires when the actXY[1] reach a new value respecting the tickY gap."," */"," _tickAlignY: function() {"," this.fire(EV_TICK_ALIGN_Y);"," }"," };",""," Y.namespace('Plugin');"," Y.extend(C, Y.Base, proto);"," Y.Plugin.DDConstrained = C;",""," Y.mix(DDM, {"," /**"," * @for DDM"," * @namespace DD"," * @private"," * @method _calcTicks"," * @description Helper method to calculate the tick offsets for a given position"," * @param {Number} pos The current X or Y position"," * @param {Number} start The start X or Y position"," * @param {Number} tick The X or Y tick increment"," * @param {Number} off1 The min offset that we can't pass (region)"," * @param {Number} off2 The max offset that we can't pass (region)"," * @return {Number} The new position based on the tick calculation"," */"," _calcTicks: function(pos, start, tick, off1, off2) {"," var ix = ((pos - start) / tick),"," min = Math.floor(ix),"," max = Math.ceil(ix);"," if ((min !== 0) || (max !== 0)) {"," if ((ix >= min) && (ix <= max)) {"," pos = (start + (tick * min));"," if (off1 && off2) {"," if (pos < off1) {"," pos = (start + (tick * (min + 1)));"," }"," if (pos > off2) {"," pos = (start + (tick * (min - 1)));"," }"," }"," }"," }"," return pos;"," },"," /**"," * @for DDM"," * @namespace DD"," * @private"," * @method _calcTickArray"," * @description This method is used with the tickXArray and tickYArray config options"," * @param {Number} pos The current X or Y position"," * @param {Number} ticks The array containing our custom tick positions."," * @param {Number} off1 The min offset that we can't pass (region)"," * @param {Number} off2 The max offset that we can't pass (region)"," * @return The tick position"," */"," _calcTickArray: function(pos, ticks, off1, off2) {"," var i = 0, len = ticks.length, next = 0,"," diff1, diff2, ret;",""," if (!ticks || (ticks.length === 0)) {"," return pos;"," }"," if (ticks[0] >= pos) {"," return ticks[0];"," }",""," for (i = 0; i < len; i++) {"," next = (i + 1);"," if (ticks[next] && ticks[next] >= pos) {"," diff1 = pos - ticks[i];"," diff2 = ticks[next] - pos;"," ret = (diff2 > diff1) ? ticks[i] : ticks[next];"," if (off1 && off2) {"," if (ret > off2) {"," if (ticks[i]) {"," ret = ticks[i];"," } else {"," ret = ticks[len - 1];"," }"," }"," }"," return ret;"," }",""," }"," return ticks[ticks.length - 1];"," }"," });","","","","}, '3.7.3', {\"requires\": [\"dd-drag\"]});"];
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YUI.add('dd-constrain', function (Y, NAME) {
/**
* The Drag & Drop Utility allows you to create a draggable interface efficiently,
* buffering you from browser-level abnormalities and enabling you to focus on the interesting
* logic surrounding your particular implementation. This component enables you to create a
* variety of standard draggable objects with just a few lines of code and then,
* using its extensive API, add your own specific implementation logic.
* @module dd
* @main dd
* @submodule dd-constrain
*/
/**
* Plugin for the dd-drag module to add the constraining methods to it.
* It supports constraining to a node or viewport. It supports tick based moves and XY axis constraints.
* @class DDConstrained
* @extends Base
* @constructor
* @namespace Plugin
*/
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var DRAG_NODE = 'dragNode',
OFFSET_HEIGHT = 'offsetHeight',
OFFSET_WIDTH = 'offsetWidth',
HOST = 'host',
TICK_X_ARRAY = 'tickXArray',
TICK_Y_ARRAY = 'tickYArray',
DDM = Y.DD.DDM,
TOP = 'top',
RIGHT = 'right',
BOTTOM = 'bottom',
LEFT = 'left',
VIEW = 'view',
proto = null,
/**
* @event drag:tickAlignX
* @description Fires when this node is aligned with the tickX value.
* @param {EventFacade} event An Event Facade object
* @type {CustomEvent}
*/
EV_TICK_ALIGN_X = 'drag:tickAlignX',
/**
* @event drag:tickAlignY
* @description Fires when this node is aligned with the tickY value.
* @param {EventFacade} event An Event Facade object
* @type {CustomEvent}
*/
EV_TICK_ALIGN_Y = 'drag:tickAlignY',
C = function() {
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this._lazyAddAttrs = false;
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C.superclass.constructor.apply(this, arguments);
};
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C.NAME = 'ddConstrained';
/**
* @property NS
* @default con
* @readonly
* @protected
* @static
* @description The Constrained instance will be placed on the Drag instance under the con namespace.
* @type {String}
*/
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C.NS = 'con';
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C.ATTRS = {
host: {
},
/**
* @attribute stickX
* @description Stick the drag movement to the X-Axis. Default: false
* @type Boolean
*/
stickX: {
value: false
},
/**
* @attribute stickY
* @description Stick the drag movement to the Y-Axis
* @type Boolean
*/
stickY: {
value: false
},
/**
* @attribute tickX
* @description The X tick offset the drag node should snap to on each drag move. False for no ticks. Default: false
* @type Number/false
*/
tickX: {
value: false
},
/**
* @attribute tickY
* @description The Y tick offset the drag node should snap to on each drag move. False for no ticks. Default: false
* @type Number/false
*/
tickY: {
value: false
},
/**
* @attribute tickXArray
* @description An array of page coordinates to use as X ticks for drag movement.
* @type Array
*/
tickXArray: {
value: false
},
/**
* @attribute tickYArray
* @description An array of page coordinates to use as Y ticks for drag movement.
* @type Array
*/
tickYArray: {
value: false
},
/**
* CSS style string for the gutter of a region (supports negative values): '5 0'
* (sets top and bottom to 5px, left and right to 0px), '1 2 3 4' (top 1px, right 2px, bottom 3px, left 4px)
* @attribute gutter
* @type String
*/
gutter: {
value: '0',
setter: function(gutter) {
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return Y.DD.DDM.cssSizestoObject(gutter);
}
},
/**
* @attribute constrain
* @description Will attempt to constrain the drag node to the boundaries. Arguments:<br>
* 'view': Contrain to Viewport<br>
* '#selector_string': Constrain to this node<br>
* '{Region Object}': An Object Literal containing a valid region (top, right, bottom, left) of page positions
* @type {String/Object/Node}
*/
constrain: {
value: VIEW,
setter: function(con) {
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var node = Y.one(con);
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if (node) {
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con = node;
}
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return con;
}
},
/**
* @deprecated
* @attribute constrain2region
* @description An Object Literal containing a valid region (top, right, bottom, left) of page positions to constrain the drag node to.
* @type Object
*/
constrain2region: {
setter: function(r) {
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return this.set('constrain', r);
}
},
/**
* @deprecated
* @attribute constrain2node
* @description Will attempt to constrain the drag node to the boundaries of this node.
* @type Object
*/
constrain2node: {
setter: function(n) {
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return this.set('constrain', Y.one(n));
}
},
/**
* @deprecated
* @attribute constrain2view
* @description Will attempt to constrain the drag node to the boundaries of the viewport region.
* @type Object
*/
constrain2view: {
setter: function() {
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return this.set('constrain', VIEW);
}
},
/**
* @attribute cacheRegion
* @description Should the region be cached for performace. Default: true
* @type Boolean
*/
cacheRegion: {
value: true
}
};
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proto = {
_lastTickXFired: null,
_lastTickYFired: null,
initializer: function() {
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_yuitest_coverline("build/dd-constrain/dd-constrain.js", 199);
this._createEvents();
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 201);
this._eventHandles = [
this.get(HOST).on('drag:end', Y.bind(this._handleEnd, this)),
this.get(HOST).on('drag:start', Y.bind(this._handleStart, this)),
this.get(HOST).after('drag:align', Y.bind(this.align, this)),
this.get(HOST).after('drag:drag', Y.bind(this.drag, this))
];
},
destructor: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "destructor", 208);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 209);
Y.each(
this._eventHandles,
function(handle) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "(anonymous 2)", 211);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 212);
handle.detach();
}
);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 216);
this._eventHandles.length = 0;
},
/**
* @private
* @method _createEvents
* @description This method creates all the events for this Event Target and publishes them so we get Event Bubbling.
*/
_createEvents: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_createEvents", 223);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 224);
var ev = [
EV_TICK_ALIGN_X,
EV_TICK_ALIGN_Y
];
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 229);
Y.each(ev, function(v) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "(anonymous 3)", 229);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 230);
this.publish(v, {
type: v,
emitFacade: true,
bubbles: true,
queuable: false,
prefix: 'drag'
});
}, this);
},
/**
* @private
* @method _handleEnd
* @description Fires on drag:end
*/
_handleEnd: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_handleEnd", 244);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 245);
this._lastTickYFired = null;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 246);
this._lastTickXFired = null;
},
/**
* @private
* @method _handleStart
* @description Fires on drag:start and clears the _regionCache
*/
_handleStart: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_handleStart", 253);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 254);
this.resetCache();
},
/**
* @private
* @property _regionCache
* @description Store a cache of the region that we are constraining to
* @type Object
*/
_regionCache: null,
/**
* @private
* @method _cacheRegion
* @description Get's the region and caches it, called from window.resize and when the cache is null
*/
_cacheRegion: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_cacheRegion", 268);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 269);
this._regionCache = this.get('constrain').get('region');
},
/**
* @method resetCache
* @description Reset the internal region cache.
*/
resetCache: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "resetCache", 275);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 276);
this._regionCache = null;
},
/**
* @private
* @method _getConstraint
* @description Standardizes the 'constraint' attribute
*/
_getConstraint: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_getConstraint", 283);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 284);
var con = this.get('constrain'),
g = this.get('gutter'),
region;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 288);
if (con) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 289);
if (con instanceof Y.Node) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 290);
if (!this._regionCache) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 291);
this._eventHandles.push(Y.on('resize', Y.bind(this._cacheRegion, this), Y.config.win));
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 292);
this._cacheRegion();
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 294);
region = Y.clone(this._regionCache);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 295);
if (!this.get('cacheRegion')) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 296);
this.resetCache();
}
} else {_yuitest_coverline("build/dd-constrain/dd-constrain.js", 298);
if (Y.Lang.isObject(con)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 299);
region = Y.clone(con);
}}
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 302);
if (!con || !region) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 303);
con = VIEW;
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 305);
if (con === VIEW) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 306);
region = this.get(HOST).get(DRAG_NODE).get('viewportRegion');
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 309);
Y.each(g, function(i, n) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "(anonymous 4)", 309);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 310);
if ((n === RIGHT) || (n === BOTTOM)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 311);
region[n] -= i;
} else {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 313);
region[n] += i;
}
});
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 316);
return region;
},
/**
* @method getRegion
* @description Get the active region: viewport, node, custom region
* @param {Boolean} inc Include the node's height and width
* @return {Object} The active region.
*/
getRegion: function(inc) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "getRegion", 325);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 326);
var r = {}, oh = null, ow = null,
host = this.get(HOST);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 329);
r = this._getConstraint();
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 331);
if (inc) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 332);
oh = host.get(DRAG_NODE).get(OFFSET_HEIGHT);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 333);
ow = host.get(DRAG_NODE).get(OFFSET_WIDTH);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 334);
r[RIGHT] = r[RIGHT] - ow;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 335);
r[BOTTOM] = r[BOTTOM] - oh;
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 337);
return r;
},
/**
* @private
* @method _checkRegion
* @description Check if xy is inside a given region, if not change to it be inside.
* @param {Array} _xy The XY to check if it's in the current region, if it isn't
* inside the region, it will reset the xy array to be inside the region.
* @return {Array} The new XY that is inside the region
*/
_checkRegion: function(_xy) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_checkRegion", 347);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 348);
var oxy = _xy,
r = this.getRegion(),
host = this.get(HOST),
oh = host.get(DRAG_NODE).get(OFFSET_HEIGHT),
ow = host.get(DRAG_NODE).get(OFFSET_WIDTH);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 354);
if (oxy[1] > (r[BOTTOM] - oh)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 355);
_xy[1] = (r[BOTTOM] - oh);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 357);
if (r[TOP] > oxy[1]) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 358);
_xy[1] = r[TOP];
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 361);
if (oxy[0] > (r[RIGHT] - ow)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 362);
_xy[0] = (r[RIGHT] - ow);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 364);
if (r[LEFT] > oxy[0]) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 365);
_xy[0] = r[LEFT];
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 368);
return _xy;
},
/**
* @method inRegion
* @description Checks if the XY passed or the dragNode is inside the active region.
* @param {Array} xy Optional XY to check, if not supplied this.get('dragNode').getXY() is used.
* @return {Boolean} True if the XY is inside the region, false otherwise.
*/
inRegion: function(xy) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "inRegion", 376);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 377);
xy = xy || this.get(HOST).get(DRAG_NODE).getXY();
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 379);
var _xy = this._checkRegion([xy[0], xy[1]]),
inside = false;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 381);
if ((xy[0] === _xy[0]) && (xy[1] === _xy[1])) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 382);
inside = true;
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 384);
return inside;
},
/**
* @method align
* @description Modifies the Drag.actXY method from the after drag:align event. This is where the constraining happens.
*/
align: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "align", 390);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 391);
var host = this.get(HOST),
_xy = [host.actXY[0], host.actXY[1]],
r = this.getRegion(true);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 395);
if (this.get('stickX')) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 396);
_xy[1] = (host.startXY[1] - host.deltaXY[1]);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 398);
if (this.get('stickY')) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 399);
_xy[0] = (host.startXY[0] - host.deltaXY[0]);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 402);
if (r) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 403);
_xy = this._checkRegion(_xy);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 406);
_xy = this._checkTicks(_xy, r);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 408);
host.actXY = _xy;
},
/**
* @method drag
* @description Fires after drag:drag. Handle the tickX and tickX align events.
*/
drag: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "drag", 414);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 415);
var host = this.get(HOST),
xt = this.get('tickX'),
yt = this.get('tickY'),
_xy = [host.actXY[0], host.actXY[1]];
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 420);
if ((Y.Lang.isNumber(xt) || this.get(TICK_X_ARRAY)) && (this._lastTickXFired !== _xy[0])) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 421);
this._tickAlignX();
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 422);
this._lastTickXFired = _xy[0];
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 425);
if ((Y.Lang.isNumber(yt) || this.get(TICK_Y_ARRAY)) && (this._lastTickYFired !== _xy[1])) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 426);
this._tickAlignY();
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 427);
this._lastTickYFired = _xy[1];
}
},
/**
* @private
* @method _checkTicks
* @description This method delegates the proper helper method for tick calculations
* @param {Array} xy The XY coords for the Drag
* @param {Object} r The optional region that we are bound to.
* @return {Array} The calced XY coords
*/
_checkTicks: function(xy, r) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_checkTicks", 438);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 439);
var host = this.get(HOST),
lx = (host.startXY[0] - host.deltaXY[0]),
ly = (host.startXY[1] - host.deltaXY[1]),
xt = this.get('tickX'),
yt = this.get('tickY');
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 444);
if (xt && !this.get(TICK_X_ARRAY)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 445);
xy[0] = DDM._calcTicks(xy[0], lx, xt, r[LEFT], r[RIGHT]);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 447);
if (yt && !this.get(TICK_Y_ARRAY)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 448);
xy[1] = DDM._calcTicks(xy[1], ly, yt, r[TOP], r[BOTTOM]);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 450);
if (this.get(TICK_X_ARRAY)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 451);
xy[0] = DDM._calcTickArray(xy[0], this.get(TICK_X_ARRAY), r[LEFT], r[RIGHT]);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 453);
if (this.get(TICK_Y_ARRAY)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 454);
xy[1] = DDM._calcTickArray(xy[1], this.get(TICK_Y_ARRAY), r[TOP], r[BOTTOM]);
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 457);
return xy;
},
/**
* @private
* @method _tickAlignX
* @description Fires when the actXY[0] reach a new value respecting the tickX gap.
*/
_tickAlignX: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_tickAlignX", 464);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 465);
this.fire(EV_TICK_ALIGN_X);
},
/**
* @private
* @method _tickAlignY
* @description Fires when the actXY[1] reach a new value respecting the tickY gap.
*/
_tickAlignY: function() {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_tickAlignY", 472);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 473);
this.fire(EV_TICK_ALIGN_Y);
}
};
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 477);
Y.namespace('Plugin');
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 478);
Y.extend(C, Y.Base, proto);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 479);
Y.Plugin.DDConstrained = C;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 481);
Y.mix(DDM, {
/**
* @for DDM
* @namespace DD
* @private
* @method _calcTicks
* @description Helper method to calculate the tick offsets for a given position
* @param {Number} pos The current X or Y position
* @param {Number} start The start X or Y position
* @param {Number} tick The X or Y tick increment
* @param {Number} off1 The min offset that we can't pass (region)
* @param {Number} off2 The max offset that we can't pass (region)
* @return {Number} The new position based on the tick calculation
*/
_calcTicks: function(pos, start, tick, off1, off2) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_calcTicks", 495);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 496);
var ix = ((pos - start) / tick),
min = Math.floor(ix),
max = Math.ceil(ix);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 499);
if ((min !== 0) || (max !== 0)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 500);
if ((ix >= min) && (ix <= max)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 501);
pos = (start + (tick * min));
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 502);
if (off1 && off2) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 503);
if (pos < off1) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 504);
pos = (start + (tick * (min + 1)));
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 506);
if (pos > off2) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 507);
pos = (start + (tick * (min - 1)));
}
}
}
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 512);
return pos;
},
/**
* @for DDM
* @namespace DD
* @private
* @method _calcTickArray
* @description This method is used with the tickXArray and tickYArray config options
* @param {Number} pos The current X or Y position
* @param {Number} ticks The array containing our custom tick positions.
* @param {Number} off1 The min offset that we can't pass (region)
* @param {Number} off2 The max offset that we can't pass (region)
* @return The tick position
*/
_calcTickArray: function(pos, ticks, off1, off2) {
_yuitest_coverfunc("build/dd-constrain/dd-constrain.js", "_calcTickArray", 526);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 527);
var i = 0, len = ticks.length, next = 0,
diff1, diff2, ret;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 530);
if (!ticks || (ticks.length === 0)) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 531);
return pos;
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 533);
if (ticks[0] >= pos) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 534);
return ticks[0];
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 537);
for (i = 0; i < len; i++) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 538);
next = (i + 1);
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 539);
if (ticks[next] && ticks[next] >= pos) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 540);
diff1 = pos - ticks[i];
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 541);
diff2 = ticks[next] - pos;
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 542);
ret = (diff2 > diff1) ? ticks[i] : ticks[next];
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 543);
if (off1 && off2) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 544);
if (ret > off2) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 545);
if (ticks[i]) {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 546);
ret = ticks[i];
} else {
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 548);
ret = ticks[len - 1];
}
}
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 552);
return ret;
}
}
_yuitest_coverline("build/dd-constrain/dd-constrain.js", 556);
return ticks[ticks.length - 1];
}
});
}, '3.7.3', {"requires": ["dd-drag"]});