From a072962a53f67e7ce393ffb365b99a5b83ac1969 Mon Sep 17 00:00:00 2001
From: Lars Jung <lrsjng@gmail.com>
Date: Tue, 16 Jul 2013 13:23:52 +0200
Subject: [PATCH] Updates previews. Removes spin.js.

---
 src/_h5ai/client/css/inc/preview-txt.less    |   4 +
 src/_h5ai/client/js/inc/ext/preview-img.js   |   4 +-
 src/_h5ai/client/js/inc/ext/preview-txt.js   |  33 +-
 src/_h5ai/client/js/lib/jquery.spin-1.2.6.js |  21 --
 src/_h5ai/client/js/lib/spin-1.2.7.js        | 320 -------------------
 5 files changed, 26 insertions(+), 356 deletions(-)
 delete mode 100644 src/_h5ai/client/js/lib/jquery.spin-1.2.6.js
 delete mode 100644 src/_h5ai/client/js/lib/spin-1.2.7.js

diff --git a/src/_h5ai/client/css/inc/preview-txt.less b/src/_h5ai/client/css/inc/preview-txt.less
index 69abfc50..bbbb893a 100644
--- a/src/_h5ai/client/css/inc/preview-txt.less
+++ b/src/_h5ai/client/css/inc/preview-txt.less
@@ -25,6 +25,10 @@
 	position: relative;
 }
 
+#pv-txt-spinner {
+	position: fixed;
+}
+
 #pv-txt-text {
 
 	&.highlighted {
diff --git a/src/_h5ai/client/js/inc/ext/preview-img.js b/src/_h5ai/client/js/inc/ext/preview-img.js
index 2c89d02f..bce04108 100644
--- a/src/_h5ai/client/js/inc/ext/preview-img.js
+++ b/src/_h5ai/client/js/inc/ext/preview-img.js
@@ -100,8 +100,8 @@ modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource',
 			var $img = $('<img/>')
 				.one('load', function () {
 
-					callback($img);
-					// setTimeout(function () { callback($img); }, 1000); // for testing
+					// callback($img);
+					setTimeout(function () { callback($img); }, 1000); // for testing
 				})
 				.attr('src', src);
 		},
diff --git a/src/_h5ai/client/js/inc/ext/preview-txt.js b/src/_h5ai/client/js/inc/ext/preview-txt.js
index 1ac2a43b..7f9ca4d2 100644
--- a/src/_h5ai/client/js/inc/ext/preview-txt.js
+++ b/src/_h5ai/client/js/inc/ext/preview-txt.js
@@ -33,6 +33,9 @@ modulejs.define('ext/preview-txt', ['_', '$', 'core/settings', 'core/resource',
 						'<div id="pv-txt-content">' +
 							'<div id="pv-txt-text"/>' +
 						'</div>' +
+						'<div id="pv-txt-spinner">' +
+							'<img src="' + resource.image('spinner') + '"/>' +
+						'</div>' +
 						'<div id="pv-txt-bottombar" class="clearfix">' +
 							'<ul id="pv-txt-buttons">' +
 								'<li id="pv-txt-bar-size" class="bar-left bar-label"/>' +
@@ -117,6 +120,8 @@ modulejs.define('ext/preview-txt', ['_', '$', 'core/settings', 'core/resource',
 
 			var $window = $(window),
 				$container = $('#pv-txt-content'),
+				$spinner = $('#pv-txt-spinner'),
+				$spinnerimg = $spinner.find('img').width(100).height(100),
 				margin = 20,
 				barheight = 31;
 
@@ -124,6 +129,17 @@ modulejs.define('ext/preview-txt', ['_', '$', 'core/settings', 'core/resource',
 				height: $window.height() - 2 * margin - barheight - 32,
 				top: margin
 			});
+
+			$spinner.css({
+				width: $window.width() - 2 * margin,
+				height: $window.height() - 2 * margin - barheight,
+				left: margin,
+				top: margin
+			});
+
+			$spinnerimg.css({
+				margin: '' + (($spinner.height() - $spinnerimg.height()) / 2) + 'px ' + (($spinner.width() - $spinnerimg.height()) / 2) + 'px'
+			});
 		},
 
 		preloadText = function (absHref, callback) {
@@ -133,8 +149,8 @@ modulejs.define('ext/preview-txt', ['_', '$', 'core/settings', 'core/resource',
 				dataType: 'text',
 				success: function (content) {
 
-					callback(content);
-					// setTimeout(function () { callback(content); }, 1000); // for testing
+					// callback(content);
+					setTimeout(function () { callback(content); }, 1000); // for testing
 				},
 				error: function (jqXHR, textStatus, errorThrown) {
 
@@ -150,21 +166,12 @@ modulejs.define('ext/preview-txt', ['_', '$', 'core/settings', 'core/resource',
 			var $container = $('#pv-txt-content'),
 				$text = $('#pv-txt-text'),
 				current = currentEntries[currentIdx],
-				spinnerTimeout = setTimeout(function () {
-
-					$container.spin({
-						length: 12,
-						width: 4,
-						radius: 24,
-						color: '#ccc',
-						shadow: true
-					});
-				}, 200);
+				spinnerTimeout = setTimeout(function () { $('#pv-txt-spinner').show(); }, 200);
 
 			preloadText(current.absHref, function (content) {
 
 				clearTimeout(spinnerTimeout);
-				$container.spin(false);
+				$('#pv-txt-spinner').hide();
 
 				$text.fadeOut(100, function () {
 
diff --git a/src/_h5ai/client/js/lib/jquery.spin-1.2.6.js b/src/_h5ai/client/js/lib/jquery.spin-1.2.6.js
deleted file mode 100644
index faa9a8dd..00000000
--- a/src/_h5ai/client/js/lib/jquery.spin-1.2.6.js
+++ /dev/null
@@ -1,21 +0,0 @@
-
-(function ($) {
-
-	$.fn.spin = function (options) {
-
-		return this.each(function () {
-
-			var $this = $(this),
-				data = $this.data();
-
-			if (data.spinner) {
-				data.spinner.stop();
-				delete data.spinner;
-			}
-
-			if (options !== false) {
-				data.spinner = new Spinner($.extend({color: $this.css('color')}, options)).spin(this);
-			}
-		});
-	};
-}(jQuery));
diff --git a/src/_h5ai/client/js/lib/spin-1.2.7.js b/src/_h5ai/client/js/lib/spin-1.2.7.js
deleted file mode 100644
index 434d76a6..00000000
--- a/src/_h5ai/client/js/lib/spin-1.2.7.js
+++ /dev/null
@@ -1,320 +0,0 @@
-//fgnass.github.com/spin.js#v1.2.7
-!function(window, document, undefined) {
-
-  /**
-   * Copyright (c) 2011 Felix Gnass [fgnass at neteye dot de]
-   * Licensed under the MIT license
-   */
-
-  var prefixes = ['webkit', 'Moz', 'ms', 'O'] /* Vendor prefixes */
-    , animations = {} /* Animation rules keyed by their name */
-    , useCssAnimations
-
-  /**
-   * Utility function to create elements. If no tag name is given,
-   * a DIV is created. Optionally properties can be passed.
-   */
-  function createEl(tag, prop) {
-    var el = document.createElement(tag || 'div')
-      , n
-
-    for(n in prop) el[n] = prop[n]
-    return el
-  }
-
-  /**
-   * Appends children and returns the parent.
-   */
-  function ins(parent /* child1, child2, ...*/) {
-    for (var i=1, n=arguments.length; i<n; i++)
-      parent.appendChild(arguments[i])
-
-    return parent
-  }
-
-  /**
-   * Insert a new stylesheet to hold the @keyframe or VML rules.
-   */
-  var sheet = function() {
-    var el = createEl('style', {type : 'text/css'})
-    ins(document.getElementsByTagName('head')[0], el)
-    return el.sheet || el.styleSheet
-  }()
-
-  /**
-   * Creates an opacity keyframe animation rule and returns its name.
-   * Since most mobile Webkits have timing issues with animation-delay,
-   * we create separate rules for each line/segment.
-   */
-  function addAnimation(alpha, trail, i, lines) {
-    var name = ['opacity', trail, ~~(alpha*100), i, lines].join('-')
-      , start = 0.01 + i/lines*100
-      , z = Math.max(1 - (1-alpha) / trail * (100-start), alpha)
-      , prefix = useCssAnimations.substring(0, useCssAnimations.indexOf('Animation')).toLowerCase()
-      , pre = prefix && '-'+prefix+'-' || ''
-
-    if (!animations[name]) {
-      sheet.insertRule(
-        '@' + pre + 'keyframes ' + name + '{' +
-        '0%{opacity:' + z + '}' +
-        start + '%{opacity:' + alpha + '}' +
-        (start+0.01) + '%{opacity:1}' +
-        (start+trail) % 100 + '%{opacity:' + alpha + '}' +
-        '100%{opacity:' + z + '}' +
-        '}', sheet.cssRules.length)
-
-      animations[name] = 1
-    }
-    return name
-  }
-
-  /**
-   * Tries various vendor prefixes and returns the first supported property.
-   **/
-  function vendor(el, prop) {
-    var s = el.style
-      , pp
-      , i
-
-    if(s[prop] !== undefined) return prop
-    prop = prop.charAt(0).toUpperCase() + prop.slice(1)
-    for(i=0; i<prefixes.length; i++) {
-      pp = prefixes[i]+prop
-      if(s[pp] !== undefined) return pp
-    }
-  }
-
-  /**
-   * Sets multiple style properties at once.
-   */
-  function css(el, prop) {
-    for (var n in prop)
-      el.style[vendor(el, n)||n] = prop[n]
-
-    return el
-  }
-
-  /**
-   * Fills in default values.
-   */
-  function merge(obj) {
-    for (var i=1; i < arguments.length; i++) {
-      var def = arguments[i]
-      for (var n in def)
-        if (obj[n] === undefined) obj[n] = def[n]
-    }
-    return obj
-  }
-
-  /**
-   * Returns the absolute page-offset of the given element.
-   */
-  function pos(el) {
-    var o = { x:el.offsetLeft, y:el.offsetTop }
-    while((el = el.offsetParent))
-      o.x+=el.offsetLeft, o.y+=el.offsetTop
-
-    return o
-  }
-
-  var defaults = {
-    lines: 12,            // The number of lines to draw
-    length: 7,            // The length of each line
-    width: 5,             // The line thickness
-    radius: 10,           // The radius of the inner circle
-    rotate: 0,            // Rotation offset
-    corners: 1,           // Roundness (0..1)
-    color: '#000',        // #rgb or #rrggbb
-    speed: 1,             // Rounds per second
-    trail: 100,           // Afterglow percentage
-    opacity: 1/4,         // Opacity of the lines
-    fps: 20,              // Frames per second when using setTimeout()
-    zIndex: 2e9,          // Use a high z-index by default
-    className: 'spinner', // CSS class to assign to the element
-    top: 'auto',          // center vertically
-    left: 'auto',         // center horizontally
-    position: 'relative'  // element position
-  }
-
-  /** The constructor */
-  var Spinner = function Spinner(o) {
-    if (!this.spin) return new Spinner(o)
-    this.opts = merge(o || {}, Spinner.defaults, defaults)
-  }
-
-  Spinner.defaults = {}
-
-  merge(Spinner.prototype, {
-    spin: function(target) {
-      this.stop()
-      var self = this
-        , o = self.opts
-        , el = self.el = css(createEl(0, {className: o.className}), {position: o.position, width: 0, zIndex: o.zIndex})
-        , mid = o.radius+o.length+o.width
-        , ep // element position
-        , tp // target position
-
-      if (target) {
-        target.insertBefore(el, target.firstChild||null)
-        tp = pos(target)
-        ep = pos(el)
-        css(el, {
-          left: (o.left == 'auto' ? tp.x-ep.x + (target.offsetWidth >> 1) : parseInt(o.left, 10) + mid) + 'px',
-          top: (o.top == 'auto' ? tp.y-ep.y + (target.offsetHeight >> 1) : parseInt(o.top, 10) + mid)  + 'px'
-        })
-      }
-
-      el.setAttribute('aria-role', 'progressbar')
-      self.lines(el, self.opts)
-
-      if (!useCssAnimations) {
-        // No CSS animation support, use setTimeout() instead
-        var i = 0
-          , fps = o.fps
-          , f = fps/o.speed
-          , ostep = (1-o.opacity) / (f*o.trail / 100)
-          , astep = f/o.lines
-
-        ;(function anim() {
-          i++;
-          for (var s=o.lines; s; s--) {
-            var alpha = Math.max(1-(i+s*astep)%f * ostep, o.opacity)
-            self.opacity(el, o.lines-s, alpha, o)
-          }
-          self.timeout = self.el && setTimeout(anim, ~~(1000/fps))
-        })()
-      }
-      return self
-    },
-
-    stop: function() {
-      var el = this.el
-      if (el) {
-        clearTimeout(this.timeout)
-        if (el.parentNode) el.parentNode.removeChild(el)
-        this.el = undefined
-      }
-      return this
-    },
-
-    lines: function(el, o) {
-      var i = 0
-        , seg
-
-      function fill(color, shadow) {
-        return css(createEl(), {
-          position: 'absolute',
-          width: (o.length+o.width) + 'px',
-          height: o.width + 'px',
-          background: color,
-          boxShadow: shadow,
-          transformOrigin: 'left',
-          transform: 'rotate(' + ~~(360/o.lines*i+o.rotate) + 'deg) translate(' + o.radius+'px' +',0)',
-          borderRadius: (o.corners * o.width>>1) + 'px'
-        })
-      }
-
-      for (; i < o.lines; i++) {
-        seg = css(createEl(), {
-          position: 'absolute',
-          top: 1+~(o.width/2) + 'px',
-          transform: o.hwaccel ? 'translate3d(0,0,0)' : '',
-          opacity: o.opacity,
-          animation: useCssAnimations && addAnimation(o.opacity, o.trail, i, o.lines) + ' ' + 1/o.speed + 's linear infinite'
-        })
-
-        if (o.shadow) ins(seg, css(fill('#000', '0 0 4px ' + '#000'), {top: 2+'px'}))
-
-        ins(el, ins(seg, fill(o.color, '0 0 1px rgba(0,0,0,.1)')))
-      }
-      return el
-    },
-
-    opacity: function(el, i, val) {
-      if (i < el.childNodes.length) el.childNodes[i].style.opacity = val
-    }
-
-  })
-
-  /////////////////////////////////////////////////////////////////////////
-  // VML rendering for IE
-  /////////////////////////////////////////////////////////////////////////
-
-  /**
-   * Check and init VML support
-   */
-  ;(function() {
-
-    function vml(tag, attr) {
-      return createEl('<' + tag + ' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">', attr)
-    }
-
-    var s = css(createEl('group'), {behavior: 'url(#default#VML)'})
-
-    if (!vendor(s, 'transform') && s.adj) {
-
-      // VML support detected. Insert CSS rule ...
-      sheet.addRule('.spin-vml', 'behavior:url(#default#VML)')
-
-      Spinner.prototype.lines = function(el, o) {
-        var r = o.length+o.width
-          , s = 2*r
-
-        function grp() {
-          return css(
-            vml('group', {
-              coordsize: s + ' ' + s,
-              coordorigin: -r + ' ' + -r
-            }),
-            { width: s, height: s }
-          )
-        }
-
-        var margin = -(o.width+o.length)*2 + 'px'
-          , g = css(grp(), {position: 'absolute', top: margin, left: margin})
-          , i
-
-        function seg(i, dx, filter) {
-          ins(g,
-            ins(css(grp(), {rotation: 360 / o.lines * i + 'deg', left: ~~dx}),
-              ins(css(vml('roundrect', {arcsize: o.corners}), {
-                  width: r,
-                  height: o.width,
-                  left: o.radius,
-                  top: -o.width>>1,
-                  filter: filter
-                }),
-                vml('fill', {color: o.color, opacity: o.opacity}),
-                vml('stroke', {opacity: 0}) // transparent stroke to fix color bleeding upon opacity change
-              )
-            )
-          )
-        }
-
-        if (o.shadow)
-          for (i = 1; i <= o.lines; i++)
-            seg(i, -2, 'progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)')
-
-        for (i = 1; i <= o.lines; i++) seg(i)
-        return ins(el, g)
-      }
-
-      Spinner.prototype.opacity = function(el, i, val, o) {
-        var c = el.firstChild
-        o = o.shadow && o.lines || 0
-        if (c && i+o < c.childNodes.length) {
-          c = c.childNodes[i+o]; c = c && c.firstChild; c = c && c.firstChild
-          if (c) c.opacity = val
-        }
-      }
-    }
-    else
-      useCssAnimations = vendor(s, 'animation')
-  })()
-
-  if (typeof define == 'function' && define.amd)
-    define(function() { return Spinner })
-  else
-    window.Spinner = Spinner
-
-}(window, document);