From 3afa2106ccb5d9fb171f400e683730d76dbe55e8 Mon Sep 17 00:00:00 2001
From: David DeSandro <david@desandro.com>
Date: Sat, 30 Oct 2010 18:39:41 -0400
Subject: [PATCH] Move all other methods into widget script

---
 src/jquery.molequul-widget.js | 521 +++++++++++++++++++++++++++++++++-
 1 file changed, 520 insertions(+), 1 deletion(-)

diff --git a/src/jquery.molequul-widget.js b/src/jquery.molequul-widget.js
index 2100bf0..6187675 100644
--- a/src/jquery.molequul-widget.js
+++ b/src/jquery.molequul-widget.js
@@ -72,7 +72,7 @@
       // need to get atoms
       this.atoms.$all = this.$elem.children().molequul('_filterFind', this.options.itemSelector );
       
-      console.log( 'all atoms', this.atoms.$all.length )
+      // console.log( 'all atoms', this.atoms.$all.length )
       
       this.$elem.css({
         overflow : 'hidden',
@@ -169,6 +169,525 @@
     },
 
 
+    
+    isNewProp : function( property, props ) {
+      if ( !props.initialized ) {
+        return true;
+      }
+      var previousProp = props.prevOpts[ property ];
+      return ( props.opts[ property ] !== previousProp );
+    },
+    
+    // ====================== Adding ======================
+    
+    addSortData : function( props ) {
+      return this.each(function(){
+        var $this = $(this),
+            sortData = {},
+            getSortData = props.opts.getSortData,
+            key;
+        // get value for sort data based on fn( $elem ) passed in
+        for ( key in getSortData ) {
+          sortData[ key ] = getSortData[ key ]( $this );
+        }
+        // apply sort data to $element
+        $this.data( 'molequul-sort-data', sortData );
+        // increment element count
+        props.elemCount ++;
+      });
+    },
+    
+    setupAtoms : function( props ) {
+      // base style for atoms
+      var atomStyle = { position: 'absolute' };
+      if ( props.usingTransforms ) {
+        atomStyle.left = 0;
+        atomStyle.top = 0;
+      }
+
+      // add sort data to each elem
+      return this.molequul( 'addSortData', props ).css( atomStyle );
+    },
+    
+    // ====================== Filtering ======================
+
+    filter : function( $atoms ) {
+      var props  = this.data('molequul'),
+          filter = props.opts.filter === '' ? '*' : props.opts.filter;
+
+      if ( !filter ) {
+        props.atoms.$filtered = $atoms;
+      } else {
+        var hiddenClass    = props.opts.hiddenClass,
+            hiddenSelector = '.' + hiddenClass,
+            $visibleAtoms  = $atoms.not( hiddenSelector ),
+            $hiddenAtoms   = $atoms.filter( hiddenSelector ),
+            $atomsToShow   = $hiddenAtoms;
+
+        props.atoms.$filtered = $atoms.filter( filter );
+
+        if ( filter !== '*' ) {
+          $atomsToShow = $hiddenAtoms.filter( filter );
+
+          var $atomsToHide = $visibleAtoms.not( filter ).toggleClass( hiddenClass );
+          $atomsToHide.addClass( hiddenClass );
+          props.styleQueue.push({ $el: $atomsToHide, style: props.opts.hiddenStyle });
+        }
+        
+        props.styleQueue.push({ $el: $atomsToShow, style: props.opts.visibleStyle });
+        $atomsToShow.removeClass( hiddenClass );
+      }
+      
+      return this;
+    },
+    
+    // ====================== Sorting ======================
+    
+    
+    getSortFn : function( sortBy, sortDir ) {
+      var getSorter = function( elem ) {
+        return $(elem).data('molequul-sort-data')[ sortBy ];
+      };
+      return function( alpha, beta ) {
+        var a = getSorter( alpha ),
+            b = getSorter( beta );
+        return ( ( a > b ) ? 1 : ( a < b ) ? -1 : 0 ) * sortDir;
+      };
+    },
+    
+    randomSortFn : function() {
+      return Math.random() > 5 ? 1 : -1;
+    },
+    
+    // used on all the filtered atoms, $atoms.filtered
+    sort : function( props ) {
+      
+      var sortFn = props.opts.sortBy === 'random' ? $.molequul.randomSortFn :
+        $.molequul.getSortFn( props.opts.sortBy, props.opts.sortDir );
+      
+      props.atoms.$filtered.sort( sortFn );
+      
+      return this;
+    },
+    
+
+    // ====================== Layout ======================
+
+    
+    translate : function( x, y ) {
+      return { translate : [ x, y ] };
+    },
+    
+    positionAbs : function( x, y ) {
+      return { left: x, top: y };
+    },
+
+    pushPosition : function( x, y, props ) {
+      var position = props.positionFn( x, y );
+      props.styleQueue.push({ $el: this, style: position });
+      return this;
+    },
+
+    // ====================== masonry ======================
+    
+    placeBrick : function( setCount, setY, props ) {
+      // here, `this` refers to a child element or "brick"
+          // get the minimum Y value from the columns
+      var minimumY  = Math.min.apply( Math, setY ),
+          setHeight = minimumY + this.outerHeight(true),
+          i         = setY.length,
+          shortCol  = i,
+          setSpan   = props.colCount + 1 - i,
+          x, y ;
+      // Which column has the minY value, closest to the left
+      while (i--) {
+        if ( setY[i] === minimumY ) {
+          shortCol = i;
+        }
+      }
+      
+      // position the brick
+      x = props.colW * shortCol + props.posLeft;
+      y = minimumY;
+      this.molequul( 'pushPosition', x, y, props );
+
+      // apply setHeight to necessary columns
+      for ( i=0; i < setSpan; i++ ) {
+        props.colYs[ shortCol + i ] = setHeight;
+      }
+      
+      return this;
+    },
+    
+    masonrySingleColumn : function( props ) {
+      return this.each(function(){
+        $(this).molequul( 'placeBrick', props.colCount, props.colYs, props );
+      });
+    },
+    
+    
+    masonryMultiColumn : function( props ) {
+      return this.each(function(){
+        var $this  = $(this),
+            //how many columns does this brick span
+            colSpan = Math.ceil( $this.outerWidth(true) / props.colW );
+        colSpan = Math.min( colSpan, props.colCount );
+
+        if ( colSpan === 1 ) {
+          // if brick spans only one column, just like singleMode
+          $this.molequul( 'placeBrick', props.colCount, props.colYs, props );
+        } else {
+          // brick spans more than one column
+          // how many different places could this brick fit horizontally
+          var groupCount = props.colCount + 1 - colSpan,
+              groupY = [],
+              groupColY;
+
+          // for each group potential horizontal position
+          for ( var i=0; i < groupCount; i++ ) {
+            // make an array of colY values for that one group
+            groupColY = props.colYs.slice( i, i+colSpan );
+            // and get the max value of the array
+            groupY[i] = Math.max.apply( Math, groupColY );
+          }
+
+          $this.molequul( 'placeBrick', groupCount, groupY, props );
+        }
+      });
+    },
+    
+    getMasonryColCount : function( props ) {
+      props.colW = props.opts.columnWidth || props.atoms.$all.outerWidth(true);
+
+      // if colW == 0, back out before divide by zero
+      if ( !props.colW ) {
+        window.console && console.error('Column width calculated to be zero. Stopping Molequul plugin before divide by zero. Check that the width of first child inside the molequul container is not zero.');
+        return this;
+      }
+      props.width = this.width();
+      props.colCount = Math.floor( props.width / props.colW ) ;
+      props.colCount = Math.max( props.colCount, 1 );
+      return this;
+    },
+    
+    masonryResetLayoutProps : function( props ) {
+      
+      var i = props.colCount;
+      props.colYs = [];
+      while (i--) {
+        props.colYs.push( props.posTop );
+      }
+      return this;
+    },
+    
+
+    
+    masonryResize : function( props ) {
+      var prevColCount = props.colCount;
+      // get updated colCount
+      this.molequul( 'getMasonryColCount', props );
+      if ( props.colCount !== prevColCount ) {
+        // if column count has changed, do a new column cound
+        this.molequul( 'reLayout', props );
+      }
+
+      return this;
+    },
+    
+    masonryMeasureContainerHeight : function( props ) {
+      props.containerHeight = Math.max.apply( Math, props.colYs ) - props.posTop;
+      return this;
+    },
+    
+    masonrySetup : function( props ) {
+      this.molequul('getMasonryColCount', props );
+      return this;
+    },
+    
+
+    
+    // ====================== ClearFloat ======================
+    
+    clearFloat : function( props ) {
+      return this.each( function() {
+        var $this = $(this),
+            atomW = $this.outerWidth(true),
+            atomH = $this.outerHeight(true),
+            x, y;
+        
+        if ( props.clearFloat.x !== 0  &&  atomW + props.clearFloat.x > props.width ) {
+          // if this element cannot fit in the current row
+          props.clearFloat.x = 0;
+          props.clearFloat.y = props.clearFloat.height;
+        } 
+        
+        // position the atom
+        x = props.clearFloat.x + props.posLeft;
+        y = props.clearFloat.y + props.posTop;
+        $this.molequul( 'pushPosition', x, y, props );
+
+        props.clearFloat.height = Math.max( props.clearFloat.y + atomH, props.clearFloat.height );
+        props.clearFloat.x += atomW;
+
+      });
+    },
+    
+    clearFloatSetup : function( props ) {
+      props.width = this.width();
+      return this;
+    },
+    
+    clearFloatResetLayoutProps : function( props ) {
+      props.clearFloat = {
+        x : 0,
+        y : 0,
+        height : 0
+      };
+      return this;
+    },
+    
+    clearFloatMeasureContainerHeight : function ( props ) {
+      props.containerHeight = props.clearFloat.height;
+      return this;
+    },
+    
+    clearFloatResize : function( props ) {
+      props.width = this.width();
+      return this.molequul( 'reLayout', props );
+    },
+
+
+    // ====================== General Layout ======================
+
+    
+    // used on collection of atoms (should be filtered, and sorted before )
+    // accepts atoms-to-be-laid-out to start with
+    layout : function( $elems, callback ) {
+
+      var props = this.data('molequul'),
+          layoutMode = props.opts.layoutMode,
+          layoutMethod = layoutMode;
+
+      // layout logic
+      if ( layoutMethod === 'masonry' ) {
+        layoutMethod = props.opts.masonrySingleMode ? 'masonrySingleColumn' : 'masonryMultiColumn';
+      }
+      
+      $elems.molequul( layoutMethod, props );
+
+      // set the height of the container to the tallest column
+      this.molequul( layoutMode + 'MeasureContainerHeight', props );
+      var containerStyle    = { height: props.containerHeight };
+      
+
+
+      props.styleQueue.push({ $el: this, style: containerStyle });
+
+
+
+      // are we animating the layout arrangement?
+      // use plugin-ish syntax for css or animate
+      var styleFn = ( props.applyStyleFnName === 'animate' && !props.initialized ) ? 
+                    'css' : props.applyStyleFnName,
+          animOpts = props.opts.animationOptions;
+
+
+      // process styleQueue
+      $.each( props.styleQueue, function( i, obj ){
+                                       // have to extend animation to play nice with jQuery
+        obj.$el[ styleFn ]( obj.style, $.extend( {}, animOpts ) );
+      });
+      
+      
+
+      // clear out queue for next time
+      props.styleQueue = [];
+
+      // provide $elems as context for the callback
+      if ( callback ) {
+        callback.call( $elems );
+      }
+
+      return this;
+    },
+    
+    
+    resize : function() {
+      var props = this.data('molequul');
+
+      return this.molequul( props.opts.layoutMode + 'Resize', props );
+    },
+    
+    
+    reLayout : function( props ) {
+      props = props || this.data('molequul');
+      props.initialized = true;
+      return this
+        .molequul( props.opts.layoutMode + 'ResetLayoutProps', props )
+        .molequul( 'layout', props.atoms.$filtered );
+    },
+    
+    // ====================== Setup and Init ======================
+    
+    // only run though on initial init
+    setup : function( props ) {
+
+      props.atoms = {};
+      props.isNew = {};
+      props.styleQueue = [];
+      props.elemCount = 0;
+      // need to get atoms
+      props.atoms.$all = props.opts.selector ? 
+        this.find( props.opts.selector ) : 
+        this.children();
+      
+      this.css({
+        overflow : 'hidden',
+        position : 'relative'
+      });
+
+      var jQueryAnimation = false;
+
+      // get applyStyleFnName
+      switch ( props.opts.animationEngine.toLowerCase().replace( /[ _\-]/g, '') ) {
+        case 'none' :
+          props.applyStyleFnName = 'css';
+          break;
+        case 'jquery' :
+          props.applyStyleFnName = 'animate';
+          jQueryAnimation = true;
+          break;
+        case 'bestavailable' :
+        default :
+          props.applyStyleFnName = Modernizr.csstransitions ? 'css' : 'animate';
+      }
+      
+      props.usingTransforms = Modernizr.csstransforms && Modernizr.csstransitions && !jQueryAnimation;
+
+      props.positionFn = props.usingTransforms ? $.molequul.translate : $.molequul.positionAbs;
+      
+      // sorting
+      var originalOrderSorter = {
+        'original-order' : function( $elem ) {
+          return props.elemCount;
+        }
+      };
+      props.opts.getSortData = $.extend( originalOrderSorter, props.opts.getSortData );
+
+      props.atoms.$all.molequul( 'setupAtoms', props );
+      
+      
+      // get top left position of where the bricks should be
+      var $cursor   = $( document.createElement('div') );
+      this.prepend( $cursor );
+      props.posTop  = Math.round( $cursor.position().top );
+      props.posLeft = Math.round( $cursor.position().left );
+      $cursor.remove();
+
+      // add molequul class first time around
+      var $container = this;
+      setTimeout(function(){
+        $container.addClass( props.opts.containerClass ); 
+      }, 1 );
+      
+      // do any layout-specific setup
+      this.molequul( props.opts.layoutMode + 'Setup', props );
+      
+      // save data
+      this.data( 'molequul', props );
+
+      return this;
+    },
+    
+    watchedProps : [ 'filter', 'sortBy', 'sortDir', 'layoutMode' ],
+    
+    init : function( options, callback ) {
+
+      return this.each(function() {  
+
+        var $this = $(this),
+            data = $this.data('molequul'),
+            props = data || {};
+
+        // checks if molquul has been called before on this object
+        props.initialized = !!data;
+
+        props.prevOpts = props.initialized ? data.opts : {};
+
+        props.opts = $.extend(
+          {},
+          $.molequul.defaults,
+          props.prevOpts,
+          options
+        );
+        
+        if ( !props.initialized ) {
+          $this.molequul( 'setup', props );
+        }
+        
+        // check if watched properties are new
+        $.each( $.molequul.watchedProps, function( i, propName ){
+          props.isNew[ propName ] = $.molequul.isNewProp( propName, props );
+        });
+
+        if ( props.isNew.layoutMode ) {
+          $this.molequul( props.opts.layoutMode + 'Setup', props );
+        }
+        
+        if ( props.isNew.filter || props.appending ) {
+          $this.molequul( 'filter', props.atoms.$all );
+        }
+
+        if ( props.isNew.filter || props.isNew.sortBy || props.isNew.sortDir || props.appending ) {
+          $this.molequul( 'sort', props );
+        }
+
+        $this.molequul( props.opts.layoutMode + 'ResetLayoutProps', props )
+          .molequul( 'layout', props.atoms.$filtered, callback );
+
+
+        // binding window resizing
+        if ( props.opts.resizeable ) {
+          $(window).bind('smartresize.molequul', function() { $this.molequul( 'resize' ); } );
+        } else if ( !props.opts.resizeable && !!props.prevOpts.resizeable ) {
+          $(window).unbind('smartresize.molequul');
+        }
+        
+        // reset this prop for next time
+        props.appending = false;
+
+        // set all data so we can retrieve it for appended appendedContent
+        //    or anyone else's crazy jquery fun
+        $this.data( 'molequul', props );
+
+      });
+      
+    },
+    
+    // ====================== Convenience methods ======================
+    
+    // adds a jQuery object of items to a molequul container
+    add : function( $content ) {
+      var props = this.data('molequul'),
+          $newAtoms = props.opts.selector ? $content.filter( props.opts.selector ) : $content;
+      $newAtoms.molequul( 'setupAtoms', props )
+      // add new atoms to atoms pools
+      props.atoms.$all = props.atoms.$all.add( $newAtoms );
+      props.atoms.$filtered = props.atoms.$filtered.add( $newAtoms );
+      props.appending = true;
+      return this;
+    },
+    
+    // convienence method for adding elements properly to any layout
+    insert : function( $content ) {
+      return this.append( $content ).molequul( 'add', $content ).molequul('init');
+    },
+    
+    // convienence method for working with Infinite Scroll
+    appended : function( $content ) {
+      return this.molequul( 'add', $content ).molequul( 'layout', $content );
+    }
+
 
     // publicFn: function(){ // notice no underscore
     //   return "public method";