effects.js

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  );
}

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = Element.getInlineOpacity(element);
  return new Effect.Appear(element, { 
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, { 
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) { 
          Element.makePositioned(effect.element); 
          Element.makeClipping(effect.element);
        },
        afterFinishInternal: function(effect) { 
          Element.hide(effect.element); 
          Element.undoClipping(effect.element);
          Element.undoPositioned(effect.element);
          Element.setInlineOpacity(effect.element, oldOpacity);
        }
      })
    }
  });
}

Effect.DropOut = function(element) {
  element = $(element);
  var oldTop = element.style.top;
  var oldLeft = element.style.left;
  var oldOpacity = Element.getInlineOpacity(element);
  return new Effect.Parallel(
    [ new Effect.MoveBy(element, 100, 0, { sync: true }), 
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) { 
          Element.makePositioned(effect.effects[0].element); },
        afterFinishInternal: function(effect) { 
          Element.hide(effect.effects[0].element); 
          Element.undoPositioned(effect.effects[0].element);
          effect.effects[0].element.style.left = oldLeft;
          effect.effects[0].element.style.top = oldTop;
          Element.setInlineOpacity(effect.effects[0].element, oldOpacity); } 
      }, arguments[1] || {}));
}

Effect.Shake = function(element) {
  element = $(element);
  var oldTop = element.style.top;
  var oldLeft = element.style.left;
  return new Effect.MoveBy(element, 0, 20, 
    { duration: 0.05, afterFinishInternal: function(effect) {
  new Effect.MoveBy(effect.element, 0, -40, 
    { duration: 0.1, afterFinishInternal: function(effect) {
  new Effect.MoveBy(effect.element, 0, 40, 
    { duration: 0.1, afterFinishInternal: function(effect) {
  new Effect.MoveBy(effect.element, 0, -40, 
    { duration: 0.1, afterFinishInternal: function(effect) {
  new Effect.MoveBy(effect.element, 0, 40, 
    { duration: 0.1, afterFinishInternal: function(effect) {
  new Effect.MoveBy(effect.element, 0, -20, 
    { duration: 0.05, afterFinishInternal: function(effect) {
        Element.undoPositioned(effect.element);
        effect.element.style.left = oldLeft;
        effect.element.style.top = oldTop;
  }}) }}) }}) }}) }}) }});
}

Effect.SlideDown = function(element) {
  element = $(element);
  Element.cleanWhitespace(element);
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.firstChild.style.bottom;
  var elementDimensions = Element.getDimensions(element);
  return new Effect.Scale(element, 100, 
   Object.extend({ scaleContent: false, 
    scaleX: false, 
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},    
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      Element.makePositioned(effect.element.firstChild);
      if (window.opera) effect.element.firstChild.style.top = "";
      Element.makeClipping(effect.element);
      element.style.height = '0';
      Element.show(element); 
    },  
    afterUpdateInternal: function(effect) { 
      effect.element.firstChild.style.bottom = 
        (effect.dims[0] - effect.element.clientHeight) + 'px'; },
    afterFinishInternal: function(effect) { 
      Element.undoClipping(effect.element); 
      Element.undoPositioned(effect.element.firstChild);
      effect.element.firstChild.style.bottom = oldInnerBottom; }
    }, arguments[1] || {})
  );
}
  
Effect.SlideUp = function(element) {
  element = $(element);
  Element.cleanWhitespace(element);
  var oldInnerBottom = element.firstChild.style.bottom;
  return new Effect.Scale(element, 0, 
   Object.extend({ scaleContent: false, 
    scaleX: false, 
    scaleMode: 'box',
    scaleFrom: 100,
    restoreAfterFinish: true,
    beforeStartInternal: function(effect) { 
      Element.makePositioned(effect.element.firstChild);
      if (window.opera) effect.element.firstChild.style.top = "";
      Element.makeClipping(effect.element);
      Element.show(element); 
    },  
    afterUpdateInternal: function(effect) { 
     effect.element.firstChild.style.bottom = 
       (effect.dims[0] - effect.element.clientHeight) + 'px'; },
    afterFinishInternal: function(effect) { 
        Element.hide(effect.element);
        Element.undoClipping(effect.element); 
        Element.undoPositioned(effect.element.firstChild);
        effect.element.firstChild.style.bottom = oldInnerBottom; }
   }, arguments[1] || {})
  );
}

Effect.Squish = function(element) {
  // Bug in opera makes the TD containing this element expand for a instance after finish 
  return new Effect.Scale(element, window.opera ? 1 : 0, 
    { restoreAfterFinish: true,
      beforeSetup: function(effect) { 
        Element.makeClipping(effect.element); },  
      afterFinishInternal: function(effect) { 
        Element.hide(effect.element); 
        Element.undoClipping(effect.element); } 
  });
}

Effect.Grow = function(element) {
  element = $(element);
  var options = arguments[1] || {};
  
  var elementDimensions = Element.getDimensions(element);
  var originalWidth = elementDimensions.width;
  var originalHeight = elementDimensions.height;
  var oldTop = element.style.top;
  var oldLeft = element.style.left;
  var oldHeight = element.style.height;
  var oldWidth = element.style.width;
  var oldOpacity = Element.getInlineOpacity(element);
  
  var direction = options.direction || 'center';
  var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
  var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
  var opacityTransition = options.opacityTransition || Effect.Transitions.full;
  
  var initialMoveX, initialMoveY;
  var moveX, moveY;
  
  switch (direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0; 
      break;
    case 'top-right':
      initialMoveX = originalWidth;
      initialMoveY = moveY = 0;
      moveX = -originalWidth;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = originalHeight;
      moveY = -originalHeight;
      break;
    case 'bottom-right':
      initialMoveX = originalWidth;
      initialMoveY = originalHeight;
      moveX = -originalWidth;
      moveY = -originalHeight;
      break;
    case 'center':
      initialMoveX = originalWidth / 2;
      initialMoveY = originalHeight / 2;
      moveX = -originalWidth / 2;
      moveY = -originalHeight / 2;
      break;
  }
  
  return new Effect.MoveBy(element, initialMoveY, initialMoveX, { 
    duration: 0.01, 
    beforeSetup: function(effect) { 
      Element.hide(effect.element);
      Element.makeClipping(effect.element);
      Element.makePositioned(effect.element);
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }),
          new Effect.MoveBy(effect.element, moveY, moveX, { sync: true, transition: moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth }, 
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
              effect.effects[0].element.style.height = 0;
              Element.show(effect.effects[0].element);
             },              
             afterFinishInternal: function(effect) {
               var el = effect.effects[0].element;
               var els = el.style;
               Element.undoClipping(el); 
               Element.undoPositioned(el);
               els.top = oldTop;
               els.left = oldLeft;
               els.height = oldHeight;
               els.width = originalWidth + 'px';
               Element.setInlineOpacity(el, oldOpacity);
             }
           }, options)
      )
    }
  });
}

Effect.Shrink = function(element) {
  element = $(element);
  var options = arguments[1] || {};
  
  var originalWidth = element.clientWidth;
  var originalHeight = element.clientHeight;
  var oldTop = element.style.top;
  var oldLeft = element.style.left;
  var oldHeight = element.style.height;
  var oldWidth = element.style.width;
  var oldOpacity = Element.getInlineOpacity(element);

  var direction = options.direction || 'center';
  var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
  var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
  var opacityTransition = options.opacityTransition || Effect.Transitions.none;
  
  var moveX, moveY;
  
  switch (direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = originalWidth;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = originalHeight;
      break;
    case 'bottom-right':
      moveX = originalWidth;
      moveY = originalHeight;
      break;
    case 'center':  
      moveX = originalWidth / 2;
      moveY = originalHeight / 2;
      break;
  }
  
  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: scaleTransition, restoreAfterFinish: true}),
      new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition })
    ], Object.extend({            
         beforeStartInternal: function(effect) { 
           Element.makePositioned(effect.effects[0].element);
           Element.makeClipping(effect.effects[0].element);
         },
         afterFinishInternal: function(effect) {
           var el = effect.effects[0].element;
           var els = el.style;
           Element.hide(el);
           Element.undoClipping(el); 
           Element.undoPositioned(el);
           els.top = oldTop;
           els.left = oldLeft;
           els.height = oldHeight;
           els.width = oldWidth;
           Element.setInlineOpacity(el, oldOpacity);
         }
       }, options)
  );
}

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || {};
  var oldOpacity = Element.getInlineOpacity(element);
  var transition = options.transition || Effect.Transitions.sinoidal;
  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
  reverser.bind(transition);
  return new Effect.Opacity(element, 
    Object.extend(Object.extend({  duration: 3.0, from: 0,
      afterFinishInternal: function(effect) { Element.setInlineOpacity(effect.element, oldOpacity); }
    }, options), {transition: reverser}));
}

Effect.Fold = function(element) {
  element = $(element);
  var originalTop = element.style.top;
  var originalLeft = element.style.left;
  var originalWidth = element.style.width;
  var originalHeight = element.style.height;
  Element.makeClipping(element);
  return new Effect.Scale(element, 5, Object.extend({   
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, { 
      scaleContent: false, 
      scaleY: false,
      afterFinishInternal: function(effect) { 
        Element.hide(effect.element);  
        Element.undoClipping(effect.element); 
        effect.element.style.top = originalTop;
        effect.element.style.left = originalLeft;
        effect.element.style.width = originalWidth;
        effect.element.style.height = originalHeight;
      } });
  }}, arguments[1] || {}));
}