| 1 |
/*! |
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* Packery layout mode PACKAGED v2.0.1 |
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* sub-classes Packery |
| 4 |
*/ |
| 5 |
|
| 6 |
/** |
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* Rect |
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* low-level utility class for basic geometry |
| 9 |
*/ |
| 10 |
|
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( function( window, factory ) { |
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// universal module definition |
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/* jshint strict: false */ /* globals define, module */ |
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if ( typeof define == 'function' && define.amd ) { |
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// AMD |
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define( 'packery/js/rect',factory ); |
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} else if ( typeof module == 'object' && module.exports ) { |
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// CommonJS |
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module.exports = factory(); |
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} else { |
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// browser global |
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window.Packery = window.Packery || {}; |
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window.Packery.Rect = factory(); |
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} |
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|
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}( window, function factory() { |
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|
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|
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// -------------------------- Rect -------------------------- // |
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|
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function Rect( props ) { |
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// extend properties from defaults |
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for ( var prop in Rect.defaults ) { |
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this[ prop ] = Rect.defaults[ prop ]; |
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} |
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|
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for ( prop in props ) { |
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this[ prop ] = props[ prop ]; |
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} |
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|
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} |
| 42 |
|
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Rect.defaults = { |
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x: 0, |
| 45 |
y: 0, |
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width: 0, |
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height: 0 |
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}; |
| 49 |
|
| 50 |
var proto = Rect.prototype; |
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|
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/** |
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* Determines whether or not this rectangle wholly encloses another rectangle or point. |
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* @param {Rect} rect |
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* @returns {Boolean} |
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**/ |
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proto.contains = function( rect ) { |
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// points don't have width or height |
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var otherWidth = rect.width || 0; |
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var otherHeight = rect.height || 0; |
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return this.x <= rect.x && |
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this.y <= rect.y && |
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this.x + this.width >= rect.x + otherWidth && |
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this.y + this.height >= rect.y + otherHeight; |
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}; |
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|
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/** |
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* Determines whether or not the rectangle intersects with another. |
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* @param {Rect} rect |
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* @returns {Boolean} |
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**/ |
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proto.overlaps = function( rect ) { |
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var thisRight = this.x + this.width; |
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var thisBottom = this.y + this.height; |
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var rectRight = rect.x + rect.width; |
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var rectBottom = rect.y + rect.height; |
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|
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// http://stackoverflow.com/a/306332 |
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return this.x < rectRight && |
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thisRight > rect.x && |
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this.y < rectBottom && |
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thisBottom > rect.y; |
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}; |
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|
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/** |
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* @param {Rect} rect - the overlapping rect |
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* @returns {Array} freeRects - rects representing the area around the rect |
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**/ |
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proto.getMaximalFreeRects = function( rect ) { |
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|
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// if no intersection, return false |
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if ( !this.overlaps( rect ) ) { |
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return false; |
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} |
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|
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var freeRects = []; |
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var freeRect; |
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|
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var thisRight = this.x + this.width; |
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var thisBottom = this.y + this.height; |
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var rectRight = rect.x + rect.width; |
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var rectBottom = rect.y + rect.height; |
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|
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// top |
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if ( this.y < rect.y ) { |
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freeRect = new Rect({ |
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x: this.x, |
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y: this.y, |
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width: this.width, |
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height: rect.y - this.y |
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}); |
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freeRects.push( freeRect ); |
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} |
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|
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// right |
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if ( thisRight > rectRight ) { |
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freeRect = new Rect({ |
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x: rectRight, |
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y: this.y, |
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width: thisRight - rectRight, |
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height: this.height |
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}); |
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freeRects.push( freeRect ); |
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} |
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|
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// bottom |
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if ( thisBottom > rectBottom ) { |
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freeRect = new Rect({ |
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x: this.x, |
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y: rectBottom, |
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width: this.width, |
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height: thisBottom - rectBottom |
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}); |
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freeRects.push( freeRect ); |
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} |
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|
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// left |
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if ( this.x < rect.x ) { |
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freeRect = new Rect({ |
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x: this.x, |
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y: this.y, |
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width: rect.x - this.x, |
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height: this.height |
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}); |
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freeRects.push( freeRect ); |
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} |
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|
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return freeRects; |
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}; |
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|
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proto.canFit = function( rect ) { |
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return this.width >= rect.width && this.height >= rect.height; |
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}; |
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|
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return Rect; |
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|
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})); |
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|
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/** |
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* Packer |
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* bin-packing algorithm |
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*/ |
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|
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( function( window, factory ) { |
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// universal module definition |
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/* jshint strict: false */ /* globals define, module, require */ |
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if ( typeof define == 'function' && define.amd ) { |
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// AMD |
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define( 'packery/js/packer',[ './rect' ], factory ); |
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} else if ( typeof module == 'object' && module.exports ) { |
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// CommonJS |
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module.exports = factory( |
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require('./rect') |
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); |
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} else { |
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// browser global |
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var Packery = window.Packery = window.Packery || {}; |
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Packery.Packer = factory( Packery.Rect ); |
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} |
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|
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}( window, function factory( Rect ) { |
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|
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|
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// -------------------------- Packer -------------------------- // |
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|
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/** |
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* @param {Number} width |
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* @param {Number} height |
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* @param {String} sortDirection |
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* topLeft for vertical, leftTop for horizontal |
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*/ |
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function Packer( width, height, sortDirection ) { |
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this.width = width || 0; |
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this.height = height || 0; |
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this.sortDirection = sortDirection || 'downwardLeftToRight'; |
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|
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this.reset(); |
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} |
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|
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var proto = Packer.prototype; |
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|
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proto.reset = function() { |
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this.spaces = []; |
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|
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var initialSpace = new Rect({ |
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x: 0, |
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y: 0, |
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width: this.width, |
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height: this.height |
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}); |
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|
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this.spaces.push( initialSpace ); |
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// set sorter |
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this.sorter = sorters[ this.sortDirection ] || sorters.downwardLeftToRight; |
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}; |
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|
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// change x and y of rect to fit with in Packer's available spaces |
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proto.pack = function( rect ) { |
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for ( var i=0; i < this.spaces.length; i++ ) { |
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var space = this.spaces[i]; |
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if ( space.canFit( rect ) ) { |
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this.placeInSpace( rect, space ); |
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break; |
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} |
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} |
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}; |
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|
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proto.columnPack = function( rect ) { |
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for ( var i=0; i < this.spaces.length; i++ ) { |
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var space = this.spaces[i]; |
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var canFitInSpaceColumn = space.x <= rect.x && |
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space.x + space.width >= rect.x + rect.width && |
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space.height >= rect.height - 0.01; // fudge number for rounding error |
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if ( canFitInSpaceColumn ) { |
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rect.y = space.y; |
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this.placed( rect ); |
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break; |
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} |
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} |
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}; |
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|
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proto.rowPack = function( rect ) { |
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for ( var i=0; i < this.spaces.length; i++ ) { |
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var space = this.spaces[i]; |
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var canFitInSpaceRow = space.y <= rect.y && |
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space.y + space.height >= rect.y + rect.height && |
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space.width >= rect.width - 0.01; // fudge number for rounding error |
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if ( canFitInSpaceRow ) { |
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rect.x = space.x; |
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this.placed( rect ); |
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break; |
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} |
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} |
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}; |
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|
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proto.placeInSpace = function( rect, space ) { |
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// place rect in space |
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rect.x = space.x; |
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rect.y = space.y; |
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|
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this.placed( rect ); |
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}; |
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|
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// update spaces with placed rect |
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proto.placed = function( rect ) { |
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// update spaces |
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var revisedSpaces = []; |
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for ( var i=0; i < this.spaces.length; i++ ) { |
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var space = this.spaces[i]; |
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var newSpaces = space.getMaximalFreeRects( rect ); |
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// add either the original space or the new spaces to the revised spaces |
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if ( newSpaces ) { |
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revisedSpaces.push.apply( revisedSpaces, newSpaces ); |
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} else { |
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revisedSpaces.push( space ); |
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} |
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} |
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|
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this.spaces = revisedSpaces; |
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|
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this.mergeSortSpaces(); |
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}; |
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|
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proto.mergeSortSpaces = function() { |
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// remove redundant spaces |
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Packer.mergeRects( this.spaces ); |
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this.spaces.sort( this.sorter ); |
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}; |
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|
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// add a space back |
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proto.addSpace = function( rect ) { |
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this.spaces.push( rect ); |
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this.mergeSortSpaces(); |
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}; |
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|
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// -------------------------- utility functions -------------------------- // |
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|
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/** |
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* Remove redundant rectangle from array of rectangles |
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* @param {Array} rects: an array of Rects |
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* @returns {Array} rects: an array of Rects |
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**/ |
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Packer.mergeRects = function( rects ) { |
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var i = 0; |
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var rect = rects[i]; |
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|
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rectLoop: |
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while ( rect ) { |
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var j = 0; |
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var compareRect = rects[ i + j ]; |
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|
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while ( compareRect ) { |
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if ( compareRect == rect ) { |
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j++; // next |
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} else if ( compareRect.contains( rect ) ) { |
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// remove rect |
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rects.splice( i, 1 ); |
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rect = rects[i]; // set next rect |
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continue rectLoop; // bail on compareLoop |
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} else if ( rect.contains( compareRect ) ) { |
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// remove compareRect |
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rects.splice( i + j, 1 ); |
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} else { |
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j++; |
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} |
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compareRect = rects[ i + j ]; // set next compareRect |
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} |
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i++; |
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rect = rects[i]; |
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} |
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|
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return rects; |
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}; |
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|
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|
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// -------------------------- sorters -------------------------- // |
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|
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// functions for sorting rects in order |
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var sorters = { |
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// top down, then left to right |
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downwardLeftToRight: function( a, b ) { |
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return a.y - b.y || a.x - b.x; |
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}, |
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// left to right, then top down |
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rightwardTopToBottom: function( a, b ) { |
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return a.x - b.x || a.y - b.y; |
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} |
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}; |
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|
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|
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// -------------------------- -------------------------- // |
| 352 |
|
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return Packer; |
| 354 |
|
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})); |
| 356 |
|
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/** |
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* Packery Item Element |
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**/ |
| 360 |
|
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( function( window, factory ) { |
| 362 |
// universal module definition |
| 363 |
/* jshint strict: false */ /* globals define, module, require */ |
| 364 |
if ( typeof define == 'function' && define.amd ) { |
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// AMD |
| 366 |
define( 'packery/js/item',[ |
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'outlayer/outlayer', |
| 368 |
'./rect' |
| 369 |
], |
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factory ); |
| 371 |
} else if ( typeof module == 'object' && module.exports ) { |
| 372 |
// CommonJS |
| 373 |
module.exports = factory( |
| 374 |
require('outlayer'), |
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require('./rect') |
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); |
| 377 |
} else { |
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// browser global |
| 379 |
window.Packery.Item = factory( |
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window.Outlayer, |
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window.Packery.Rect |
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); |
| 383 |
} |
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|
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}( window, function factory( Outlayer, Rect ) { |
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|
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|
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// -------------------------- Item -------------------------- // |
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|
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var docElemStyle = document.documentElement.style; |
| 391 |
|
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var transformProperty = typeof docElemStyle.transform == 'string' ? |
| 393 |
'transform' : 'WebkitTransform'; |
| 394 |
|
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// sub-class Item |
| 396 |
var Item = function PackeryItem() { |
| 397 |
Outlayer.Item.apply( this, arguments ); |
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}; |
| 399 |
|
| 400 |
var proto = Item.prototype = Object.create( Outlayer.Item.prototype ); |
| 401 |
|
| 402 |
var __create = proto._create; |
| 403 |
proto._create = function() { |
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// call default _create logic |
| 405 |
__create.call( this ); |
| 406 |
this.rect = new Rect(); |
| 407 |
}; |
| 408 |
|
| 409 |
var _moveTo = proto.moveTo; |
| 410 |
proto.moveTo = function( x, y ) { |
| 411 |
// don't shift 1px while dragging |
| 412 |
var dx = Math.abs( this.position.x - x ); |
| 413 |
var dy = Math.abs( this.position.y - y ); |
| 414 |
|
| 415 |
var canHackGoTo = this.layout.dragItemCount && !this.isPlacing && |
| 416 |
!this.isTransitioning && dx < 1 && dy < 1; |
| 417 |
if ( canHackGoTo ) { |
| 418 |
this.goTo( x, y ); |
| 419 |
return; |
| 420 |
} |
| 421 |
_moveTo.apply( this, arguments ); |
| 422 |
}; |
| 423 |
|
| 424 |
// -------------------------- placing -------------------------- // |
| 425 |
|
| 426 |
proto.enablePlacing = function() { |
| 427 |
this.removeTransitionStyles(); |
| 428 |
// remove transform property from transition |
| 429 |
if ( this.isTransitioning && transformProperty ) { |
| 430 |
this.element.style[ transformProperty ] = 'none'; |
| 431 |
} |
| 432 |
this.isTransitioning = false; |
| 433 |
this.getSize(); |
| 434 |
this.layout._setRectSize( this.element, this.rect ); |
| 435 |
this.isPlacing = true; |
| 436 |
}; |
| 437 |
|
| 438 |
proto.disablePlacing = function() { |
| 439 |
this.isPlacing = false; |
| 440 |
}; |
| 441 |
|
| 442 |
// ----- ----- // |
| 443 |
|
| 444 |
// remove element from DOM |
| 445 |
proto.removeElem = function() { |
| 446 |
this.element.parentNode.removeChild( this.element ); |
| 447 |
// add space back to packer |
| 448 |
this.layout.packer.addSpace( this.rect ); |
| 449 |
this.emitEvent( 'remove', [ this ] ); |
| 450 |
}; |
| 451 |
|
| 452 |
// ----- dropPlaceholder ----- // |
| 453 |
|
| 454 |
proto.showDropPlaceholder = function() { |
| 455 |
var dropPlaceholder = this.dropPlaceholder; |
| 456 |
if ( !dropPlaceholder ) { |
| 457 |
// create dropPlaceholder |
| 458 |
dropPlaceholder = this.dropPlaceholder = document.createElement('div'); |
| 459 |
dropPlaceholder.className = 'packery-drop-placeholder'; |
| 460 |
dropPlaceholder.style.position = 'absolute'; |
| 461 |
} |
| 462 |
|
| 463 |
dropPlaceholder.style.width = this.size.width + 'px'; |
| 464 |
dropPlaceholder.style.height = this.size.height + 'px'; |
| 465 |
this.positionDropPlaceholder(); |
| 466 |
this.layout.element.appendChild( dropPlaceholder ); |
| 467 |
}; |
| 468 |
|
| 469 |
proto.positionDropPlaceholder = function() { |
| 470 |
this.dropPlaceholder.style[ transformProperty ] = 'translate(' + |
| 471 |
this.rect.x + 'px, ' + this.rect.y + 'px)'; |
| 472 |
}; |
| 473 |
|
| 474 |
proto.hideDropPlaceholder = function() { |
| 475 |
this.layout.element.removeChild( this.dropPlaceholder ); |
| 476 |
}; |
| 477 |
|
| 478 |
// ----- ----- // |
| 479 |
|
| 480 |
return Item; |
| 481 |
|
| 482 |
})); |
| 483 |
|
| 484 |
/*! |
| 485 |
* Packery v2.0.0 |
| 486 |
* Gapless, draggable grid layouts |
| 487 |
* |
| 488 |
* Licensed GPLv3 for open source use |
| 489 |
* or Packery Commercial License for commercial use |
| 490 |
* |
| 491 |
* http://packery.metafizzy.co |
| 492 |
* Copyright 2016 Metafizzy |
| 493 |
*/ |
| 494 |
|
| 495 |
( function( window, factory ) { |
| 496 |
// universal module definition |
| 497 |
/* jshint strict: false */ /* globals define, module, require */ |
| 498 |
if ( typeof define == 'function' && define.amd ) { |
| 499 |
// AMD |
| 500 |
define( 'packery/js/packery',[ |
| 501 |
'get-size/get-size', |
| 502 |
'outlayer/outlayer', |
| 503 |
'./rect', |
| 504 |
'./packer', |
| 505 |
'./item' |
| 506 |
], |
| 507 |
factory ); |
| 508 |
} else if ( typeof module == 'object' && module.exports ) { |
| 509 |
// CommonJS |
| 510 |
module.exports = factory( |
| 511 |
require('get-size'), |
| 512 |
require('outlayer'), |
| 513 |
require('./rect'), |
| 514 |
require('./packer'), |
| 515 |
require('./item') |
| 516 |
); |
| 517 |
} else { |
| 518 |
// browser global |
| 519 |
window.Packery = factory( |
| 520 |
window.getSize, |
| 521 |
window.Outlayer, |
| 522 |
window.Packery.Rect, |
| 523 |
window.Packery.Packer, |
| 524 |
window.Packery.Item |
| 525 |
); |
| 526 |
} |
| 527 |
|
| 528 |
}( window, function factory( getSize, Outlayer, Rect, Packer, Item ) { |
| 529 |
|
| 530 |
|
| 531 |
// ----- Rect ----- // |
| 532 |
|
| 533 |
// allow for pixel rounding errors IE8-IE11 & Firefox; #227 |
| 534 |
Rect.prototype.canFit = function( rect ) { |
| 535 |
return this.width >= rect.width - 1 && this.height >= rect.height - 1; |
| 536 |
}; |
| 537 |
|
| 538 |
// -------------------------- Packery -------------------------- // |
| 539 |
|
| 540 |
// create an Outlayer layout class |
| 541 |
var Packery = Outlayer.create('packery'); |
| 542 |
Packery.Item = Item; |
| 543 |
|
| 544 |
var proto = Packery.prototype; |
| 545 |
|
| 546 |
proto._create = function() { |
| 547 |
// call super |
| 548 |
Outlayer.prototype._create.call( this ); |
| 549 |
|
| 550 |
// initial properties |
| 551 |
this.packer = new Packer(); |
| 552 |
// packer for drop targets |
| 553 |
this.shiftPacker = new Packer(); |
| 554 |
this.isEnabled = true; |
| 555 |
|
| 556 |
this.dragItemCount = 0; |
| 557 |
|
| 558 |
// create drag handlers |
| 559 |
var _this = this; |
| 560 |
this.handleDraggabilly = { |
| 561 |
dragStart: function() { |
| 562 |
_this.itemDragStart( this.element ); |
| 563 |
}, |
| 564 |
dragMove: function() { |
| 565 |
_this.itemDragMove( this.element, this.position.x, this.position.y ); |
| 566 |
}, |
| 567 |
dragEnd: function() { |
| 568 |
_this.itemDragEnd( this.element ); |
| 569 |
} |
| 570 |
}; |
| 571 |
|
| 572 |
this.handleUIDraggable = { |
| 573 |
start: function handleUIDraggableStart( event, ui ) { |
| 574 |
// HTML5 may trigger dragstart, dismiss HTML5 dragging |
| 575 |
if ( !ui ) { |
| 576 |
return; |
| 577 |
} |
| 578 |
_this.itemDragStart( event.currentTarget ); |
| 579 |
}, |
| 580 |
drag: function handleUIDraggableDrag( event, ui ) { |
| 581 |
if ( !ui ) { |
| 582 |
return; |
| 583 |
} |
| 584 |
_this.itemDragMove( event.currentTarget, ui.position.left, ui.position.top ); |
| 585 |
}, |
| 586 |
stop: function handleUIDraggableStop( event, ui ) { |
| 587 |
if ( !ui ) { |
| 588 |
return; |
| 589 |
} |
| 590 |
_this.itemDragEnd( event.currentTarget ); |
| 591 |
} |
| 592 |
}; |
| 593 |
|
| 594 |
}; |
| 595 |
|
| 596 |
|
| 597 |
// ----- init & layout ----- // |
| 598 |
|
| 599 |
/** |
| 600 |
* logic before any new layout |
| 601 |
*/ |
| 602 |
proto._resetLayout = function() { |
| 603 |
this.getSize(); |
| 604 |
|
| 605 |
this._getMeasurements(); |
| 606 |
|
| 607 |
// reset packer |
| 608 |
var width, height, sortDirection; |
| 609 |
// packer settings, if horizontal or vertical |
| 610 |
if ( this._getOption('horizontal') ) { |
| 611 |
width = Infinity; |
| 612 |
height = this.size.innerHeight + this.gutter; |
| 613 |
sortDirection = 'rightwardTopToBottom'; |
| 614 |
} else { |
| 615 |
width = this.size.innerWidth + this.gutter; |
| 616 |
height = Infinity; |
| 617 |
sortDirection = 'downwardLeftToRight'; |
| 618 |
} |
| 619 |
|
| 620 |
this.packer.width = this.shiftPacker.width = width; |
| 621 |
this.packer.height = this.shiftPacker.height = height; |
| 622 |
this.packer.sortDirection = this.shiftPacker.sortDirection = sortDirection; |
| 623 |
|
| 624 |
this.packer.reset(); |
| 625 |
|
| 626 |
// layout |
| 627 |
this.maxY = 0; |
| 628 |
this.maxX = 0; |
| 629 |
}; |
| 630 |
|
| 631 |
/** |
| 632 |
* update columnWidth, rowHeight, & gutter |
| 633 |
* @private |
| 634 |
*/ |
| 635 |
proto._getMeasurements = function() { |
| 636 |
this._getMeasurement( 'columnWidth', 'width' ); |
| 637 |
this._getMeasurement( 'rowHeight', 'height' ); |
| 638 |
this._getMeasurement( 'gutter', 'width' ); |
| 639 |
}; |
| 640 |
|
| 641 |
proto._getItemLayoutPosition = function( item ) { |
| 642 |
this._setRectSize( item.element, item.rect ); |
| 643 |
if ( this.isShifting || this.dragItemCount > 0 ) { |
| 644 |
var packMethod = this._getPackMethod(); |
| 645 |
this.packer[ packMethod ]( item.rect ); |
| 646 |
} else { |
| 647 |
this.packer.pack( item.rect ); |
| 648 |
} |
| 649 |
|
| 650 |
this._setMaxXY( item.rect ); |
| 651 |
return item.rect; |
| 652 |
}; |
| 653 |
|
| 654 |
proto.shiftLayout = function() { |
| 655 |
this.isShifting = true; |
| 656 |
this.layout(); |
| 657 |
delete this.isShifting; |
| 658 |
}; |
| 659 |
|
| 660 |
proto._getPackMethod = function() { |
| 661 |
return this._getOption('horizontal') ? 'rowPack' : 'columnPack'; |
| 662 |
}; |
| 663 |
|
| 664 |
|
| 665 |
/** |
| 666 |
* set max X and Y value, for size of container |
| 667 |
* @param {Packery.Rect} rect |
| 668 |
* @private |
| 669 |
*/ |
| 670 |
proto._setMaxXY = function( rect ) { |
| 671 |
this.maxX = Math.max( rect.x + rect.width, this.maxX ); |
| 672 |
this.maxY = Math.max( rect.y + rect.height, this.maxY ); |
| 673 |
}; |
| 674 |
|
| 675 |
/** |
| 676 |
* set the width and height of a rect, applying columnWidth and rowHeight |
| 677 |
* @param {Element} elem |
| 678 |
* @param {Packery.Rect} rect |
| 679 |
*/ |
| 680 |
proto._setRectSize = function( elem, rect ) { |
| 681 |
var size = getSize( elem ); |
| 682 |
var w = size.outerWidth; |
| 683 |
var h = size.outerHeight; |
| 684 |
// size for columnWidth and rowHeight, if available |
| 685 |
// only check if size is non-zero, #177 |
| 686 |
if ( w || h ) { |
| 687 |
w = this._applyGridGutter( w, this.columnWidth ); |
| 688 |
h = this._applyGridGutter( h, this.rowHeight ); |
| 689 |
} |
| 690 |
// rect must fit in packer |
| 691 |
rect.width = Math.min( w, this.packer.width ); |
| 692 |
rect.height = Math.min( h, this.packer.height ); |
| 693 |
}; |
| 694 |
|
| 695 |
/** |
| 696 |
* fits item to columnWidth/rowHeight and adds gutter |
| 697 |
* @param {Number} measurement - item width or height |
| 698 |
* @param {Number} gridSize - columnWidth or rowHeight |
| 699 |
* @returns measurement |
| 700 |
*/ |
| 701 |
proto._applyGridGutter = function( measurement, gridSize ) { |
| 702 |
// just add gutter if no gridSize |
| 703 |
if ( !gridSize ) { |
| 704 |
return measurement + this.gutter; |
| 705 |
} |
| 706 |
gridSize += this.gutter; |
| 707 |
// fit item to columnWidth/rowHeight |
| 708 |
var remainder = measurement % gridSize; |
| 709 |
var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil'; |
| 710 |
measurement = Math[ mathMethod ]( measurement / gridSize ) * gridSize; |
| 711 |
return measurement; |
| 712 |
}; |
| 713 |
|
| 714 |
proto._getContainerSize = function() { |
| 715 |
if ( this._getOption('horizontal') ) { |
| 716 |
return { |
| 717 |
width: this.maxX - this.gutter |
| 718 |
}; |
| 719 |
} else { |
| 720 |
return { |
| 721 |
height: this.maxY - this.gutter |
| 722 |
}; |
| 723 |
} |
| 724 |
}; |
| 725 |
|
| 726 |
|
| 727 |
// -------------------------- stamp -------------------------- // |
| 728 |
|
| 729 |
/** |
| 730 |
* makes space for element |
| 731 |
* @param {Element} elem |
| 732 |
*/ |
| 733 |
proto._manageStamp = function( elem ) { |
| 734 |
|
| 735 |
var item = this.getItem( elem ); |
| 736 |
var rect; |
| 737 |
if ( item && item.isPlacing ) { |
| 738 |
rect = item.rect; |
| 739 |
} else { |
| 740 |
var offset = this._getElementOffset( elem ); |
| 741 |
rect = new Rect({ |
| 742 |
x: this._getOption('originLeft') ? offset.left : offset.right, |
| 743 |
y: this._getOption('originTop') ? offset.top : offset.bottom |
| 744 |
}); |
| 745 |
} |
| 746 |
|
| 747 |
this._setRectSize( elem, rect ); |
| 748 |
// save its space in the packer |
| 749 |
this.packer.placed( rect ); |
| 750 |
this._setMaxXY( rect ); |
| 751 |
}; |
| 752 |
|
| 753 |
// -------------------------- methods -------------------------- // |
| 754 |
|
| 755 |
function verticalSorter( a, b ) { |
| 756 |
return a.position.y - b.position.y || a.position.x - b.position.x; |
| 757 |
} |
| 758 |
|
| 759 |
function horizontalSorter( a, b ) { |
| 760 |
return a.position.x - b.position.x || a.position.y - b.position.y; |
| 761 |
} |
| 762 |
|
| 763 |
proto.sortItemsByPosition = function() { |
| 764 |
var sorter = this._getOption('horizontal') ? horizontalSorter : verticalSorter; |
| 765 |
this.items.sort( sorter ); |
| 766 |
}; |
| 767 |
|
| 768 |
/** |
| 769 |
* Fit item element in its current position |
| 770 |
* Packery will position elements around it |
| 771 |
* useful for expanding elements |
| 772 |
* |
| 773 |
* @param {Element} elem |
| 774 |
* @param {Number} x - horizontal destination position, optional |
| 775 |
* @param {Number} y - vertical destination position, optional |
| 776 |
*/ |
| 777 |
proto.fit = function( elem, x, y ) { |
| 778 |
var item = this.getItem( elem ); |
| 779 |
if ( !item ) { |
| 780 |
return; |
| 781 |
} |
| 782 |
|
| 783 |
// stamp item to get it out of layout |
| 784 |
this.stamp( item.element ); |
| 785 |
// set placing flag |
| 786 |
item.enablePlacing(); |
| 787 |
this.updateShiftTargets( item ); |
| 788 |
// fall back to current position for fitting |
| 789 |
x = x === undefined ? item.rect.x: x; |
| 790 |
y = y === undefined ? item.rect.y: y; |
| 791 |
// position it best at its destination |
| 792 |
this.shift( item, x, y ); |
| 793 |
this._bindFitEvents( item ); |
| 794 |
item.moveTo( item.rect.x, item.rect.y ); |
| 795 |
// layout everything else |
| 796 |
this.shiftLayout(); |
| 797 |
// return back to regularly scheduled programming |
| 798 |
this.unstamp( item.element ); |
| 799 |
this.sortItemsByPosition(); |
| 800 |
item.disablePlacing(); |
| 801 |
}; |
| 802 |
|
| 803 |
/** |
| 804 |
* emit event when item is fit and other items are laid out |
| 805 |
* @param {Packery.Item} item |
| 806 |
* @private |
| 807 |
*/ |
| 808 |
proto._bindFitEvents = function( item ) { |
| 809 |
var _this = this; |
| 810 |
var ticks = 0; |
| 811 |
function onLayout() { |
| 812 |
ticks++; |
| 813 |
if ( ticks != 2 ) { |
| 814 |
return; |
| 815 |
} |
| 816 |
_this.dispatchEvent( 'fitComplete', null, [ item ] ); |
| 817 |
} |
| 818 |
// when item is laid out |
| 819 |
item.once( 'layout', onLayout ); |
| 820 |
// when all items are laid out |
| 821 |
this.once( 'layoutComplete', onLayout ); |
| 822 |
}; |
| 823 |
|
| 824 |
// -------------------------- resize -------------------------- // |
| 825 |
|
| 826 |
// debounced, layout on resize |
| 827 |
proto.resize = function() { |
| 828 |
// don't trigger if size did not change |
| 829 |
// or if resize was unbound. See #285, outlayer#9 |
| 830 |
if ( !this.isResizeBound || !this.needsResizeLayout() ) { |
| 831 |
return; |
| 832 |
} |
| 833 |
|
| 834 |
if ( this.options.shiftPercentResize ) { |
| 835 |
this.resizeShiftPercentLayout(); |
| 836 |
} else { |
| 837 |
this.layout(); |
| 838 |
} |
| 839 |
}; |
| 840 |
|
| 841 |
/** |
| 842 |
* check if layout is needed post layout |
| 843 |
* @returns Boolean |
| 844 |
*/ |
| 845 |
proto.needsResizeLayout = function() { |
| 846 |
var size = getSize( this.element ); |
| 847 |
var innerSize = this._getOption('horizontal') ? 'innerHeight' : 'innerWidth'; |
| 848 |
return size[ innerSize ] != this.size[ innerSize ]; |
| 849 |
}; |
| 850 |
|
| 851 |
proto.resizeShiftPercentLayout = function() { |
| 852 |
var items = this._getItemsForLayout( this.items ); |
| 853 |
|
| 854 |
var isHorizontal = this._getOption('horizontal'); |
| 855 |
var coord = isHorizontal ? 'y' : 'x'; |
| 856 |
var measure = isHorizontal ? 'height' : 'width'; |
| 857 |
var segmentName = isHorizontal ? 'rowHeight' : 'columnWidth'; |
| 858 |
var innerSize = isHorizontal ? 'innerHeight' : 'innerWidth'; |
| 859 |
|
| 860 |
// proportional re-align items |
| 861 |
var previousSegment = this[ segmentName ]; |
| 862 |
previousSegment = previousSegment && previousSegment + this.gutter; |
| 863 |
|
| 864 |
if ( previousSegment ) { |
| 865 |
this._getMeasurements(); |
| 866 |
var currentSegment = this[ segmentName ] + this.gutter; |
| 867 |
items.forEach( function( item ) { |
| 868 |
var seg = Math.round( item.rect[ coord ] / previousSegment ); |
| 869 |
item.rect[ coord ] = seg * currentSegment; |
| 870 |
}); |
| 871 |
} else { |
| 872 |
var currentSize = getSize( this.element )[ innerSize ] + this.gutter; |
| 873 |
var previousSize = this.packer[ measure ]; |
| 874 |
items.forEach( function( item ) { |
| 875 |
item.rect[ coord ] = ( item.rect[ coord ] / previousSize ) * currentSize; |
| 876 |
}); |
| 877 |
} |
| 878 |
|
| 879 |
this.shiftLayout(); |
| 880 |
}; |
| 881 |
|
| 882 |
// -------------------------- drag -------------------------- // |
| 883 |
|
| 884 |
/** |
| 885 |
* handle an item drag start event |
| 886 |
* @param {Element} elem |
| 887 |
*/ |
| 888 |
proto.itemDragStart = function( elem ) { |
| 889 |
if ( !this.isEnabled ) { |
| 890 |
return; |
| 891 |
} |
| 892 |
this.stamp( elem ); |
| 893 |
// this.ignore( elem ); |
| 894 |
var item = this.getItem( elem ); |
| 895 |
if ( !item ) { |
| 896 |
return; |
| 897 |
} |
| 898 |
|
| 899 |
item.enablePlacing(); |
| 900 |
item.showDropPlaceholder(); |
| 901 |
this.dragItemCount++; |
| 902 |
this.updateShiftTargets( item ); |
| 903 |
}; |
| 904 |
|
| 905 |
proto.updateShiftTargets = function( dropItem ) { |
| 906 |
this.shiftPacker.reset(); |
| 907 |
|
| 908 |
// pack stamps |
| 909 |
this._getBoundingRect(); |
| 910 |
var isOriginLeft = this._getOption('originLeft'); |
| 911 |
var isOriginTop = this._getOption('originTop'); |
| 912 |
this.stamps.forEach( function( stamp ) { |
| 913 |
// ignore dragged item |
| 914 |
var item = this.getItem( stamp ); |
| 915 |
if ( item && item.isPlacing ) { |
| 916 |
return; |
| 917 |
} |
| 918 |
var offset = this._getElementOffset( stamp ); |
| 919 |
var rect = new Rect({ |
| 920 |
x: isOriginLeft ? offset.left : offset.right, |
| 921 |
y: isOriginTop ? offset.top : offset.bottom |
| 922 |
}); |
| 923 |
this._setRectSize( stamp, rect ); |
| 924 |
// save its space in the packer |
| 925 |
this.shiftPacker.placed( rect ); |
| 926 |
}, this ); |
| 927 |
|
| 928 |
// reset shiftTargets |
| 929 |
var isHorizontal = this._getOption('horizontal'); |
| 930 |
var segmentName = isHorizontal ? 'rowHeight' : 'columnWidth'; |
| 931 |
var measure = isHorizontal ? 'height' : 'width'; |
| 932 |
|
| 933 |
this.shiftTargetKeys = []; |
| 934 |
this.shiftTargets = []; |
| 935 |
var boundsSize; |
| 936 |
var segment = this[ segmentName ]; |
| 937 |
segment = segment && segment + this.gutter; |
| 938 |
|
| 939 |
if ( segment ) { |
| 940 |
var segmentSpan = Math.ceil( dropItem.rect[ measure ] / segment ); |
| 941 |
var segs = Math.floor( ( this.shiftPacker[ measure ] + this.gutter ) / segment ); |
| 942 |
boundsSize = ( segs - segmentSpan ) * segment; |
| 943 |
// add targets on top |
| 944 |
for ( var i=0; i < segs; i++ ) { |
| 945 |
this._addShiftTarget( i * segment, 0, boundsSize ); |
| 946 |
} |
| 947 |
} else { |
| 948 |
boundsSize = ( this.shiftPacker[ measure ] + this.gutter ) - dropItem.rect[ measure ]; |
| 949 |
this._addShiftTarget( 0, 0, boundsSize ); |
| 950 |
} |
| 951 |
|
| 952 |
// pack each item to measure where shiftTargets are |
| 953 |
var items = this._getItemsForLayout( this.items ); |
| 954 |
var packMethod = this._getPackMethod(); |
| 955 |
items.forEach( function( item ) { |
| 956 |
var rect = item.rect; |
| 957 |
this._setRectSize( item.element, rect ); |
| 958 |
this.shiftPacker[ packMethod ]( rect ); |
| 959 |
|
| 960 |
// add top left corner |
| 961 |
this._addShiftTarget( rect.x, rect.y, boundsSize ); |
| 962 |
// add bottom left / top right corner |
| 963 |
var cornerX = isHorizontal ? rect.x + rect.width : rect.x; |
| 964 |
var cornerY = isHorizontal ? rect.y : rect.y + rect.height; |
| 965 |
this._addShiftTarget( cornerX, cornerY, boundsSize ); |
| 966 |
|
| 967 |
if ( segment ) { |
| 968 |
// add targets for each column on bottom / row on right |
| 969 |
var segSpan = Math.round( rect[ measure ] / segment ); |
| 970 |
for ( var i=1; i < segSpan; i++ ) { |
| 971 |
var segX = isHorizontal ? cornerX : rect.x + segment * i; |
| 972 |
var segY = isHorizontal ? rect.y + segment * i : cornerY; |
| 973 |
this._addShiftTarget( segX, segY, boundsSize ); |
| 974 |
} |
| 975 |
} |
| 976 |
}, this ); |
| 977 |
|
| 978 |
}; |
| 979 |
|
| 980 |
proto._addShiftTarget = function( x, y, boundsSize ) { |
| 981 |
var checkCoord = this._getOption('horizontal') ? y : x; |
| 982 |
if ( checkCoord !== 0 && checkCoord > boundsSize ) { |
| 983 |
return; |
| 984 |
} |
| 985 |
// create string for a key, easier to keep track of what targets |
| 986 |
var key = x + ',' + y; |
| 987 |
var hasKey = this.shiftTargetKeys.indexOf( key ) != -1; |
| 988 |
if ( hasKey ) { |
| 989 |
return; |
| 990 |
} |
| 991 |
this.shiftTargetKeys.push( key ); |
| 992 |
this.shiftTargets.push({ x: x, y: y }); |
| 993 |
}; |
| 994 |
|
| 995 |
// -------------------------- drop -------------------------- // |
| 996 |
|
| 997 |
proto.shift = function( item, x, y ) { |
| 998 |
var shiftPosition; |
| 999 |
var minDistance = Infinity; |
| 1000 |
var position = { x: x, y: y }; |
| 1001 |
this.shiftTargets.forEach( function( target ) { |
| 1002 |
var distance = getDistance( target, position ); |
| 1003 |
if ( distance < minDistance ) { |
| 1004 |
shiftPosition = target; |
| 1005 |
minDistance = distance; |
| 1006 |
} |
| 1007 |
}); |
| 1008 |
item.rect.x = shiftPosition.x; |
| 1009 |
item.rect.y = shiftPosition.y; |
| 1010 |
}; |
| 1011 |
|
| 1012 |
function getDistance( a, b ) { |
| 1013 |
var dx = b.x - a.x; |
| 1014 |
var dy = b.y - a.y; |
| 1015 |
return Math.sqrt( dx * dx + dy * dy ); |
| 1016 |
} |
| 1017 |
|
| 1018 |
// -------------------------- drag move -------------------------- // |
| 1019 |
|
| 1020 |
var DRAG_THROTTLE_TIME = 120; |
| 1021 |
|
| 1022 |
/** |
| 1023 |
* handle an item drag move event |
| 1024 |
* @param {Element} elem |
| 1025 |
* @param {Number} x - horizontal change in position |
| 1026 |
* @param {Number} y - vertical change in position |
| 1027 |
*/ |
| 1028 |
proto.itemDragMove = function( elem, x, y ) { |
| 1029 |
var item = this.isEnabled && this.getItem( elem ); |
| 1030 |
if ( !item ) { |
| 1031 |
return; |
| 1032 |
} |
| 1033 |
|
| 1034 |
x -= this.size.paddingLeft; |
| 1035 |
y -= this.size.paddingTop; |
| 1036 |
|
| 1037 |
var _this = this; |
| 1038 |
function onDrag() { |
| 1039 |
_this.shift( item, x, y ); |
| 1040 |
item.positionDropPlaceholder(); |
| 1041 |
_this.layout(); |
| 1042 |
} |
| 1043 |
|
| 1044 |
// throttle |
| 1045 |
var now = new Date(); |
| 1046 |
if ( this._itemDragTime && now - this._itemDragTime < DRAG_THROTTLE_TIME ) { |
| 1047 |
clearTimeout( this.dragTimeout ); |
| 1048 |
this.dragTimeout = setTimeout( onDrag, DRAG_THROTTLE_TIME ); |
| 1049 |
} else { |
| 1050 |
onDrag(); |
| 1051 |
this._itemDragTime = now; |
| 1052 |
} |
| 1053 |
}; |
| 1054 |
|
| 1055 |
// -------------------------- drag end -------------------------- // |
| 1056 |
|
| 1057 |
/** |
| 1058 |
* handle an item drag end event |
| 1059 |
* @param {Element} elem |
| 1060 |
*/ |
| 1061 |
proto.itemDragEnd = function( elem ) { |
| 1062 |
var item = this.isEnabled && this.getItem( elem ); |
| 1063 |
if ( !item ) { |
| 1064 |
return; |
| 1065 |
} |
| 1066 |
|
| 1067 |
clearTimeout( this.dragTimeout ); |
| 1068 |
item.element.classList.add('is-positioning-post-drag'); |
| 1069 |
|
| 1070 |
var completeCount = 0; |
| 1071 |
var _this = this; |
| 1072 |
function onDragEndLayoutComplete() { |
| 1073 |
completeCount++; |
| 1074 |
if ( completeCount != 2 ) { |
| 1075 |
return; |
| 1076 |
} |
| 1077 |
// reset drag item |
| 1078 |
item.element.classList.remove('is-positioning-post-drag'); |
| 1079 |
item.hideDropPlaceholder(); |
| 1080 |
_this.dispatchEvent( 'dragItemPositioned', null, [ item ] ); |
| 1081 |
} |
| 1082 |
|
| 1083 |
item.once( 'layout', onDragEndLayoutComplete ); |
| 1084 |
this.once( 'layoutComplete', onDragEndLayoutComplete ); |
| 1085 |
item.moveTo( item.rect.x, item.rect.y ); |
| 1086 |
this.layout(); |
| 1087 |
this.dragItemCount = Math.max( 0, this.dragItemCount - 1 ); |
| 1088 |
this.sortItemsByPosition(); |
| 1089 |
item.disablePlacing(); |
| 1090 |
this.unstamp( item.element ); |
| 1091 |
}; |
| 1092 |
|
| 1093 |
/** |
| 1094 |
* binds Draggabilly events |
| 1095 |
* @param {Draggabilly} draggie |
| 1096 |
*/ |
| 1097 |
proto.bindDraggabillyEvents = function( draggie ) { |
| 1098 |
this._bindDraggabillyEvents( draggie, 'on' ); |
| 1099 |
}; |
| 1100 |
|
| 1101 |
proto.unbindDraggabillyEvents = function( draggie ) { |
| 1102 |
this._bindDraggabillyEvents( draggie, 'off' ); |
| 1103 |
}; |
| 1104 |
|
| 1105 |
proto._bindDraggabillyEvents = function( draggie, method ) { |
| 1106 |
var handlers = this.handleDraggabilly; |
| 1107 |
draggie[ method ]( 'dragStart', handlers.dragStart ); |
| 1108 |
draggie[ method ]( 'dragMove', handlers.dragMove ); |
| 1109 |
draggie[ method ]( 'dragEnd', handlers.dragEnd ); |
| 1110 |
}; |
| 1111 |
|
| 1112 |
/** |
| 1113 |
* binds jQuery UI Draggable events |
| 1114 |
* @param {jQuery} $elems |
| 1115 |
*/ |
| 1116 |
proto.bindUIDraggableEvents = function( $elems ) { |
| 1117 |
this._bindUIDraggableEvents( $elems, 'on' ); |
| 1118 |
}; |
| 1119 |
|
| 1120 |
proto.unbindUIDraggableEvents = function( $elems ) { |
| 1121 |
this._bindUIDraggableEvents( $elems, 'off' ); |
| 1122 |
}; |
| 1123 |
|
| 1124 |
proto._bindUIDraggableEvents = function( $elems, method ) { |
| 1125 |
var handlers = this.handleUIDraggable; |
| 1126 |
$elems |
| 1127 |
[ method ]( 'dragstart', handlers.start ) |
| 1128 |
[ method ]( 'drag', handlers.drag ) |
| 1129 |
[ method ]( 'dragstop', handlers.stop ); |
| 1130 |
}; |
| 1131 |
|
| 1132 |
// ----- destroy ----- // |
| 1133 |
|
| 1134 |
var _destroy = proto.destroy; |
| 1135 |
proto.destroy = function() { |
| 1136 |
_destroy.apply( this, arguments ); |
| 1137 |
// disable flag; prevent drag events from triggering. #72 |
| 1138 |
this.isEnabled = false; |
| 1139 |
}; |
| 1140 |
|
| 1141 |
// ----- ----- // |
| 1142 |
|
| 1143 |
Packery.Rect = Rect; |
| 1144 |
Packery.Packer = Packer; |
| 1145 |
|
| 1146 |
return Packery; |
| 1147 |
|
| 1148 |
})); |
| 1149 |
|
| 1150 |
/*! |
| 1151 |
* Packery layout mode v2.0.1 |
| 1152 |
* sub-classes Packery |
| 1153 |
*/ |
| 1154 |
|
| 1155 |
/*jshint browser: true, strict: true, undef: true, unused: true */ |
| 1156 |
|
| 1157 |
( function( window, factory ) { |
| 1158 |
|
| 1159 |
// universal module definition |
| 1160 |
if ( typeof define == 'function' && define.amd ) { |
| 1161 |
// AMD |
| 1162 |
define( [ |
| 1163 |
'isotope-layout/js/layout-mode', |
| 1164 |
'packery/js/packery' |
| 1165 |
], |
| 1166 |
factory ); |
| 1167 |
} else if ( typeof module == 'object' && module.exports ) { |
| 1168 |
// CommonJS |
| 1169 |
module.exports = factory( |
| 1170 |
require('isotope-layout/js/layout-mode'), |
| 1171 |
require('packery') |
| 1172 |
); |
| 1173 |
} else { |
| 1174 |
// browser global |
| 1175 |
factory( |
| 1176 |
window.Isotope.LayoutMode, |
| 1177 |
window.Packery |
| 1178 |
); |
| 1179 |
} |
| 1180 |
|
| 1181 |
}( window, function factor( LayoutMode, Packery ) { |
| 1182 |
|
| 1183 |
|
| 1184 |
// create an Outlayer layout class |
| 1185 |
var PackeryMode = LayoutMode.create('packery'); |
| 1186 |
var proto = PackeryMode.prototype; |
| 1187 |
|
| 1188 |
var keepModeMethods = { |
| 1189 |
_getElementOffset: true, |
| 1190 |
_getMeasurement: true |
| 1191 |
}; |
| 1192 |
|
| 1193 |
// inherit Packery prototype |
| 1194 |
for ( var method in Packery.prototype ) { |
| 1195 |
// do not inherit mode methods |
| 1196 |
if ( !keepModeMethods[ method ] ) { |
| 1197 |
proto[ method ] = Packery.prototype[ method ]; |
| 1198 |
} |
| 1199 |
} |
| 1200 |
|
| 1201 |
// set packer in _resetLayout |
| 1202 |
var _resetLayout = proto._resetLayout; |
| 1203 |
proto._resetLayout = function() { |
| 1204 |
this.packer = this.packer || new Packery.Packer(); |
| 1205 |
this.shiftPacker = this.shiftPacker || new Packery.Packer(); |
| 1206 |
_resetLayout.apply( this, arguments ); |
| 1207 |
}; |
| 1208 |
|
| 1209 |
var _getItemLayoutPosition = proto._getItemLayoutPosition; |
| 1210 |
proto._getItemLayoutPosition = function( item ) { |
| 1211 |
// set packery rect |
| 1212 |
item.rect = item.rect || new Packery.Rect(); |
| 1213 |
return _getItemLayoutPosition.call( this, item ); |
| 1214 |
}; |
| 1215 |
|
| 1216 |
// needsResizeLayout for vertical or horizontal |
| 1217 |
var _needsResizeLayout = proto.needsResizeLayout; |
| 1218 |
proto.needsResizeLayout = function() { |
| 1219 |
if ( this._getOption('horizontal') ) { |
| 1220 |
return this.needsVerticalResizeLayout(); |
| 1221 |
} else { |
| 1222 |
return _needsResizeLayout.call( this ); |
| 1223 |
} |
| 1224 |
}; |
| 1225 |
|
| 1226 |
// point to mode options for horizontal |
| 1227 |
var _getOption = proto._getOption; |
| 1228 |
proto._getOption = function( option ) { |
| 1229 |
if ( option == 'horizontal' ) { |
| 1230 |
return this.options.isHorizontal !== undefined ? |
| 1231 |
this.options.isHorizontal : this.options.horizontal; |
| 1232 |
} |
| 1233 |
return _getOption.apply( this.isotope, arguments ); |
| 1234 |
}; |
| 1235 |
|
| 1236 |
return PackeryMode; |
| 1237 |
|
| 1238 |
})); |
| 1239 |
|
| 1240 |
|
