Added script.aculo.us Javascripts (controls.js, dragdrop.js, effects.js) (NEEDS MORE DESCRIPTION) #1509 [Thomas Fuchs]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1522 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 557 insertions, 0 deletions

diff --git a/actionpack/lib/action_view/helpers/javascripts/effects.js b/actionpack/lib/action_view/helpers/javascripts/effects.js
new file mode 100644
index 0000000000..82f1fd53ed
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/javascripts/effects.js
@@ -0,0 +1,557 @@
+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//
+// Parts (c) 2005 Justin Palmer (http://encytemedia.com/)
+// Parts (c) 2005 Mark Pilgrim (http://diveintomark.org/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+Effect = {}
+Effect2 = Effect; // deprecated
+
+/* ------------- transitions ------------- */
+
+Effect.Transitions = {}
+
+Effect.Transitions.linear = function(pos) {
+  return pos;
+}
+Effect.Transitions.sinoidal = function(pos) {
+  return (-Math.cos(pos*Math.PI)/2) + 0.5;
+}
+Effect.Transitions.reverse  = function(pos) {
+  return 1-pos;
+}
+Effect.Transitions.flicker = function(pos) {
+  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random(0.25);
+}
+Effect.Transitions.wobble = function(pos) {
+  return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
+}
+Effect.Transitions.pulse = function(pos) {
+   return (Math.floor(pos*10) % 2 == 0 ? 
+    (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
+}
+
+Effect.Transitions.none = function(pos) {
+    return 0;
+}
+Effect.Transitions.full = function(pos) {
+    return 1;
+}
+
+/* ------------- core effects ------------- */
+
+Effect.Base = function() {};
+Effect.Base.prototype = {
+  setOptions: function(options) {
+    this.options = {
+      transition: Effect.Transitions.sinoidal,
+      duration:   1.0,   // seconds
+      fps:        25.0,  // max. 100fps
+      sync:       false, // true for combining
+      from:       0.0,
+      to:         1.0
+    }.extend(options || {});
+  },
+  start: function(options) {
+    this.setOptions(options || {});
+    this.currentFrame    = 0;
+    this.startOn  = new Date().getTime();
+    this.finishOn = this.startOn + (this.options.duration*1000);
+    if(this.options.beforeStart) this.options.beforeStart(this);
+    if(!this.options.sync) this.loop();  
+  },
+  loop: function() {
+    timePos = new Date().getTime();
+    if(timePos >= this.finishOn) {
+      this.render(this.options.to);
+      if(this.finish) this.finish(); 
+      if(this.options.afterFinish) this.options.afterFinish(this);
+      return;  
+    }
+    pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);
+    frame = Math.round(pos * this.options.fps * this.options.duration);
+    if(frame > this.currentFrame) {
+      this.render(pos);
+      this.currentFrame = frame;
+    }
+    this.timeout = setTimeout(this.loop.bind(this), 10);
+  },
+  render: function(pos) {
+    if(this.options.transition) pos = this.options.transition(pos);
+    pos  = pos * (this.options.to-this.options.from);
+    pos += this.options.from; 
+    if(this.options.beforeUpdate) this.options.beforeUpdate(this);
+    if(this.update) this.update(pos);
+    if(this.options.afterUpdate) this.options.afterUpdate(this);  
+  },
+  cancel: function() {
+    if(this.timeout) clearTimeout(this.timeout);
+  }
+}
+
+Effect.Parallel = Class.create();
+  Effect.Parallel.prototype = (new Effect.Base()).extend({
+    initialize: function(effects) {
+      this.effects = effects || [];
+       this.start(arguments[1]);
+    },
+    update: function(position) {
+       for (var i = 0; i < this.effects.length; i++)
+        this.effects[i].render(position);  
+    },
+    finish: function(position) {
+       for (var i = 0; i < this.effects.length; i++)
+          if(this.effects[i].finish) this.effects[i].finish(position);
+    }
+  });
+
+Effect.Opacity = Class.create();
+Effect.Opacity.prototype = (new Effect.Base()).extend({
+  initialize: function(element) {
+    this.element = $(element);
+    options = {
+      from: 0.0,
+      to:   1.0
+    }.extend(arguments[1] || {});
+    this.start(options);
+  },
+  update: function(position) {
+    this.setOpacity(position);
+  }, 
+  setOpacity: function(opacity) {
+    opacity = (opacity == 1) ? 0.99999 : opacity;
+    this.element.style.opacity = opacity;
+    this.element.style.filter = "alpha(opacity:"+opacity*100+")";
+  }
+});
+
+Effect.MoveBy = Class.create();
+ Effect.MoveBy.prototype = (new Effect.Base()).extend({
+   initialize: function(element, toTop, toLeft) {
+     this.element      = $(element);
+     this.originalTop  = parseFloat(this.element.style.top || '0');
+     this.originalLeft = parseFloat(this.element.style.left || '0');
+     this.toTop        = toTop;
+     this.toLeft       = toLeft;
+     if(this.element.style.position == "")
+       this.element.style.position = "relative";
+     this.start(arguments[3]);
+   },
+   update: function(position) {
+     topd  = this.toTop  * position + this.originalTop;
+     leftd = this.toLeft * position + this.originalLeft;
+     this.setPosition(topd, leftd);
+   },
+   setPosition: function(topd, leftd) {
+     this.element.style.top  = topd  + "px";
+     this.element.style.left = leftd + "px";
+   }
+});
+
+Effect.Scale = Class.create();
+Effect.Scale.prototype = (new Effect.Base()).extend({
+  initialize: function(element, percent) {
+    this.element = $(element)
+    options = {
+      scaleX: true,
+      scaleY: true,
+      scaleContent: true,
+      scaleFromCenter: false,
+      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
+      scaleFrom: 100.0
+    }.extend(arguments[2] || {});
+    this.originalTop    = this.element.offsetTop;
+    this.originalLeft   = this.element.offsetLeft;
+    if (this.element.style.fontSize=="") this.sizeEm = 1.0;
+    if (this.element.style.fontSize && this.element.style.fontSize.indexOf("em")>0)
+       this.sizeEm      = parseFloat(this.element.style.fontSize);
+    this.factor = (percent/100.0) - (options.scaleFrom/100.0);
+    if(options.scaleMode=='box') {
+      this.originalHeight = this.element.clientHeight;
+      this.originalWidth  = this.element.clientWidth; 
+    } else 
+    if(options.scaleMode=='contents') {
+      this.originalHeight = this.element.scrollHeight;
+      this.originalWidth  = this.element.scrollWidth;
+    } else {
+      this.originalHeight = options.scaleMode.originalHeight;
+      this.originalWidth  = options.scaleMode.originalWidth;
+    }
+    this.start(options);
+  },
+
+  update: function(position) {
+    currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
+    if(this.options.scaleContent && this.sizeEm) 
+      this.element.style.fontSize = this.sizeEm*currentScale + "em";
+    this.setDimensions(
+     this.originalWidth * currentScale, 
+     this.originalHeight * currentScale);
+  },
+
+  setDimensions: function(width, height) {
+    if(this.options.scaleX) this.element.style.width = width + 'px';
+    if(this.options.scaleY) this.element.style.height = height + 'px';
+    if(this.options.scaleFromCenter) {
+      topd  = (height - this.originalHeight)/2;
+      leftd = (width  - this.originalWidth)/2;
+      if(this.element.style.position=='absolute') {
+        if(this.options.scaleY) this.element.style.top = this.originalTop-topd + "px";
+        if(this.options.scaleX) this.element.style.left = this.originalLeft-leftd + "px";
+      } else {
+        if(this.options.scaleY) this.element.style.top = -topd + "px";
+        if(this.options.scaleX) this.element.style.left = -leftd + "px";
+      }
+    }
+  }
+});
+
+Effect.Highlight = Class.create();
+Effect.Highlight.prototype = (new Effect.Base()).extend({
+  initialize: function(element) {
+    this.element = $(element);
+    
+    // try to parse current background color as default for endcolor
+    // browser stores this as: "rgb(255, 255, 255)", convert to "#ffffff" format
+    var endcolor = "#ffffff";
+    var current = this.element.style.backgroundColor;
+    if(current && current.slice(0,4) == "rgb(") {
+      endcolor = "#";
+      var cols = current.slice(4,current.length-1).split(',');
+      var i=0; do { endcolor += parseInt(cols[i]).toColorPart() } while (++i<3); }
+      
+    var options = {
+      startcolor: "#ffff99",
+      endcolor:   endcolor
+    }.extend(arguments[1] || {});
+    
+    // init color calculations
+    this.colors_base = [
+      parseInt(options.startcolor.slice(1,3),16),
+      parseInt(options.startcolor.slice(3,5),16),
+      parseInt(options.startcolor.slice(5),16) ];
+    this.colors_delta = [
+      parseInt(options.endcolor.slice(1,3),16)-this.colors_base[0],
+      parseInt(options.endcolor.slice(3,5),16)-this.colors_base[1],
+      parseInt(options.endcolor.slice(5),16)-this.colors_base[2] ];
+
+    this.start(options);
+  },
+  update: function(position) {
+    var colors = [
+      Math.round(this.colors_base[0]+(this.colors_delta[0]*position)),
+      Math.round(this.colors_base[1]+(this.colors_delta[1]*position)),
+      Math.round(this.colors_base[2]+(this.colors_delta[2]*position)) ];
+    this.element.style.backgroundColor = "#" +
+      colors[0].toColorPart() + colors[1].toColorPart() + colors[2].toColorPart();
+  }
+});
+
+
+/* ------------- prepackaged effects ------------- */
+
+Effect.Fade =  function(element) {
+  options = {
+  from: 1.0,
+  to:   0.0,
+  afterFinish: function(effect) 
+    { Element.hide(effect.element);
+      effect.setOpacity(1); } 
+  }.extend(arguments[1] || {});
+  new Effect.Opacity(element,options);
+}
+
+Effect.Appear =  function(element) {
+  options = {
+  from: 0.0,
+  to:   1.0,
+  beforeStart: function(effect)  
+    { effect.setOpacity(0);
+      Element.show(effect.element); },
+  afterUpdate: function(effect)  
+    { Element.show(effect.element); }
+  }.extend(arguments[1] || {});
+  new Effect.Opacity(element,options);
+}
+
+Effect.Puff = function(element) {
+  new Effect.Parallel(
+   [ new Effect.Scale(element, 200, { sync: true, scaleFromCenter: true }), 
+     new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], 
+     { duration: 1.0, 
+      afterUpdate: function(effect) 
+       { effect.effects[0].element.style.position = 'absolute'; },
+      afterFinish: function(effect)
+       { Element.hide(effect.effects[0].element); }
+     }
+   );
+}
+
+Effect.BlindUp = function(element) {
+  $(element).style.overflow = 'hidden';
+  new Effect.Scale(element, 0, 
+    { scaleContent: false, 
+      scaleX: false, 
+      afterFinish: function(effect) 
+        { Element.hide(effect.element) } 
+    }.extend(arguments[1] || {})
+  );
+}
+
+Effect.BlindDown = function(element) {
+  $(element).style.height   = '0px';
+  $(element).style.overflow = 'hidden';
+  Element.show(element);
+  new Effect.Scale(element, 100, 
+    { scaleContent: false, 
+      scaleX: false, 
+      scaleMode: 'contents',
+      scaleFrom: 0
+    }.extend(arguments[1] || {})
+  );
+}
+
+Effect.SwitchOff = function(element) {
+  new Effect.Appear(element,
+    { duration: 0.4,
+     transition: Effect.Transitions.flicker,
+     afterFinish: function(effect)
+      {  effect.element.style.overflow = 'hidden';
+        new Effect.Scale(effect.element, 1, 
+         { duration: 0.3, scaleFromCenter: true,
+          scaleX: false, scaleContent: false,
+          afterUpdate: function(effect) { 
+           if(effect.element.style.position=="")
+             effect.element.style.position = 'relative'; },
+          afterFinish: function(effect) { Element.hide(effect.element); }
+         } )
+      }
+    } )
+}
+
+Effect.DropOut = function(element) {
+  new Effect.Parallel(
+    [ new Effect.MoveBy(element, 100, 0, { sync: true }), 
+      new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], 
+    { duration: 0.5, 
+     afterFinish: function(effect)
+       { Element.hide(effect.effects[0].element); } 
+    });
+}
+
+Effect.Shake = function(element) {
+  new Effect.MoveBy(element, 0, 20, 
+    { duration: 0.05, afterFinish: function(effect) {
+  new Effect.MoveBy(effect.element, 0, -40, 
+    { duration: 0.1, afterFinish: function(effect) { 
+  new Effect.MoveBy(effect.element, 0, 40, 
+    { duration: 0.1, afterFinish: function(effect) {  
+  new Effect.MoveBy(effect.element, 0, -40, 
+    { duration: 0.1, afterFinish: function(effect) {  
+  new Effect.MoveBy(effect.element, 0, 40, 
+    { duration: 0.1, afterFinish: function(effect) {  
+  new Effect.MoveBy(effect.element, 0, -20, 
+    { duration: 0.05, afterFinish: function(effect) {  
+  }}) }}) }}) }}) }}) }});
+}
+
+Effect.SlideDown = function(element) {
+  $(element).style.height   = '0px';
+  $(element).style.overflow = 'hidden';
+  $(element).firstChild.style.position = 'relative';
+  Element.show(element);
+  new Effect.Scale(element, 100, 
+   { scaleContent: false, 
+    scaleX: false, 
+    scaleMode: 'contents',
+    scaleFrom: 0,
+    afterUpdate: function(effect) 
+      { effect.element.firstChild.style.bottom = 
+          (effect.originalHeight - effect.element.clientHeight) + 'px'; }
+    }.extend(arguments[1] || {})
+  );
+}
+  
+Effect.SlideUp = function(element) {
+  $(element).style.overflow = 'hidden';
+  $(element).firstChild.style.position = 'relative';
+  Element.show(element);
+  new Effect.Scale(element, 0, 
+   { scaleContent: false, 
+    scaleX: false, 
+    afterUpdate: function(effect) 
+      { effect.element.firstChild.style.bottom = 
+          (effect.originalHeight - effect.element.clientHeight) + 'px'; },
+    afterFinish: function(effect)
+      { Element.hide(effect.element); }
+   }.extend(arguments[1] || {})
+  );
+}
+
+Effect.Squish = function(element) {
+ new Effect.Scale(element, 0, 
+   { afterFinish: function(effect) { Element.hide(effect.element); } });
+}
+
+Effect.Grow = function(element) {
+  element = $(element);
+  var options = arguments[1] || {};
+  
+  var originalWidth = element.clientWidth;
+  var originalHeight = element.clientHeight;
+  element.style.overflow = 'hidden';
+  Element.show(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;
+  }
+  
+  new Effect.MoveBy(element, initialMoveY, initialMoveX, { 
+    duration: 0.01, 
+    beforeUpdate: function(effect) { $(element).style.height = '0px'; },
+    afterFinish: function(effect) {
+      new Effect.Parallel(
+        [ new Effect.Opacity(element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }),
+          new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition }),
+          new Effect.Scale(element, 100, { 
+            scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth }, 
+            sync: true, scaleFrom: 0, scaleTo: 100, transition: scaleTransition })],
+        options); }
+    });
+}
+
+Effect.Shrink = function(element) {
+  element = $(element);
+  var options = arguments[1] || {};
+  
+  var originalWidth = element.clientWidth;
+  var originalHeight = element.clientHeight;
+  element.style.overflow = 'hidden';
+  Element.show(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;
+  }
+  
+  new Effect.Parallel(
+    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }),
+      new Effect.Scale(element, 0, { sync: true, transition: moveTransition }),
+      new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: scaleTransition }) ],
+    options);
+}
+
+Effect.Pulsate = function(element) {
+  var options    = arguments[1] || {};
+  var transition = options.transition || Effect.Transitions.sinoidal;
+  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
+  reverser.bind(transition);
+  new Effect.Opacity(element, 
+    {  duration: 3.0,
+       afterFinish: function(effect) { Element.show(effect.element); }
+    }.extend(options).extend({transition: reverser}));
+}
+
+Effect.Fold = function(element) {
+ $(element).style.overflow = 'hidden';
+ new Effect2.Scale(element, 5, {   
+   scaleContent: false,
+   scaleTo: 100,
+   scaleX: false,
+   afterFinish: function(effect) {
+   new Effect.Scale(element, 1, { 
+     scaleContent: false, 
+     scaleTo: 0,
+     scaleY: false,
+     afterFinish: function(effect) { Element.hide(effect.element) } });
+ }}.extend(arguments[1] || {}));
+}
+
+// old: new Effect.ContentZoom(element, percent)
+// new: Element.setContentZoom(element, percent) 
+
+Element.setContentZoom = function(element, percent) {
+  var element = $(element);
+  
+  var sizeEm = 1.0;
+  if (element.style.fontSize.indexOf("em")>0)
+    sizeEm = parseFloat(element.style.fontSize);
+    
+  element.style.fontSize = sizeEm*(percent/100) + "em";  
+  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+}
\ No newline at end of file