happstack-yui-7371.5.0: bundle/dd-ddm/dd-ddm-coverage.js
/*
YUI 3.7.1 (build 5627)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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YUI.add('dd-ddm', function (Y, NAME) {
/**
* Extends the dd-ddm-base Class to add support for the viewport shim to allow a draggable node to drag to be dragged over an iframe or any other node that traps mousemove events.
* It is also required to have Drop Targets enabled, as the viewport shim will contain the shims for the Drop Targets.
* @module dd
* @submodule dd-ddm
* @for DDM
* @namespace DD
*/
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Y.mix(Y.DD.DDM, {
/**
* @private
* @property _pg
* @description The shim placed over the screen to track the mousemove event.
* @type {Node}
*/
_pg: null,
/**
* @private
* @property _debugShim
* @description Set this to true to set the shims opacity to .5 for debugging it, default: false.
* @type {Boolean}
*/
_debugShim: false,
_activateTargets: function() { },
_deactivateTargets: function() {},
_startDrag: function() {
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if (this.activeDrag && this.activeDrag.get('useShim')) {
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this._shimming = true;
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this._pg_activate();
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this._activateTargets();
}
},
_endDrag: function() {
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this._pg_deactivate();
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this._deactivateTargets();
},
/**
* @private
* @method _pg_deactivate
* @description Deactivates the shim
*/
_pg_deactivate: function() {
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this._pg.setStyle('display', 'none');
},
/**
* @private
* @method _pg_activate
* @description Activates the shim
*/
_pg_activate: function() {
_yuitest_coverfunc("build/dd-ddm/dd-ddm.js", "_pg_activate", 53);
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if (!this._pg) {
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this._createPG();
}
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var ah = this.activeDrag.get('activeHandle'), cur = 'auto';
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if (ah) {
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cur = ah.getStyle('cursor');
}
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if (cur == 'auto') {
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cur = this.get('dragCursor');
}
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this._pg_size();
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this._pg.setStyles({
top: 0,
left: 0,
display: 'block',
opacity: ((this._debugShim) ? '.5' : '0'),
cursor: cur
});
},
/**
* @private
* @method _pg_size
* @description Sizes the shim on: activatation, window:scroll, window:resize
*/
_pg_size: function() {
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if (this.activeDrag) {
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var b = Y.one('body'),
h = b.get('docHeight'),
w = b.get('docWidth');
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this._pg.setStyles({
height: h + 'px',
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});
}
},
/**
* @private
* @method _createPG
* @description Creates the shim and adds it's listeners to it.
*/
_createPG: function() {
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var pg = Y.Node.create('<div></div>'),
bd = Y.one('body'), win;
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pg.setStyles({
top: '0',
left: '0',
position: 'absolute',
zIndex: '9999',
overflow: 'hidden',
backgroundColor: 'red',
display: 'none',
height: '5px',
width: '5px'
});
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pg.set('id', Y.stamp(pg));
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pg.addClass(Y.DD.DDM.CSS_PREFIX + '-shim');
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bd.prepend(pg);
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this._pg = pg;
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this._pg.on('mousemove', Y.throttle(Y.bind(this._move, this), this.get('throttleTime')));
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this._pg.on('mouseup', Y.bind(this._end, this));
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win = Y.one('win');
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Y.on('window:resize', Y.bind(this._pg_size, this));
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win.on('scroll', Y.bind(this._pg_size, this));
}
}, true);
}, '3.7.1', {"requires": ["dd-ddm-base", "event-resize"]});