Fixed sharing dropdown placeholders in IE8/9

Added jquery.placeholder shim to handle input field placeholders in IE8/9

2 files changed, 219 insertions, 0 deletions

diff --git a/core/js/jquery.placeholder.js b/core/js/jquery.placeholder.js
new file mode 100644
index 00000000000..689462582b3
--- /dev/null
+++ b/core/js/jquery.placeholder.js
@@ -0,0 +1,216 @@
+/*
+  jQuery placeholder plugin
+  by Andrey Kuzmin, @unsoundscapes
+
+  Based on existing plugin http://mths.be/placeholder by @mathias
+  and this demo http://robertnyman.com/2011/05/02/ by @robertnyman
+
+  Adopted to toggle placeholder on user input instead of focus
+
+  Released under the MIT license
+*/
+
+(function (factory) {
+  'use strict';
+
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as anonymous module.
+    define(['jquery'], factory)
+  } else {
+    // Browser globals.
+    factory(jQuery)
+  }
+}(function ($) {
+  'use strict';
+
+  var isInputSupported = 'placeholder' in document.createElement('input')
+    , isTextareaSupported = 'placeholder' in document.createElement('textarea')
+    , $placeholders = $()
+
+  function getAttributes (element) {
+    // Return an object of element attributes
+    var newAttrs = {}
+      , rinlinejQuery = /^jQuery\d+$/
+
+    $.each(element.attributes, function () {
+      if (this.specified && !rinlinejQuery.test(this.name)) {
+        newAttrs[this.name] = this.value
+      }
+    })
+    return newAttrs
+  }
+
+  function setCaretTo (element, index) {
+    // Set caret to specified @index
+    if (element.createTextRange) {
+      var range = element.createTextRange()
+      range.move('character', index)
+      range.select()
+    } else if (element.selectionStart !== null) {
+      element.focus()
+      element.setSelectionRange(index, index)
+    }
+  }
+
+
+  function Placeholder (element, options) {
+    this.options = options || {}
+    this.$replacement = this.$element = $(element)
+    this.initialize.apply(this, arguments)
+    // Cache all elements with placeholders
+    $placeholders = $placeholders.add(element)
+  }
+
+  Placeholder.prototype = {
+
+    initialize: function () {
+      this.isHidden = true
+      this.placeholderAttr = this.$element.attr('placeholder')
+      // do not mess with default behavior
+      this.$element.removeAttr('placeholder')
+      this.isPassword = this.$element.is('[type=password]')
+      if (this.isPassword) this.makeReplacement()
+      this.$replacement.on({
+        'keydown.placeholder': $.proxy(this.hide, this)
+      , 'focus.placeholder drop.placeholder click.placeholder': $.proxy(this.setCaret, this)
+      })
+      this.$element.on({
+        'blur.placeholder keyup.placeholder': $.proxy(this.show, this)
+      })
+      this.show()
+    }
+
+    // Set or get input value
+    // Setting value toggles placeholder
+  , val: function (value) {
+      if (value === undefined) {
+        return this.isHidden ? this.$element[0].value : '';
+      }
+      if (value === '') {
+        if (this.isHidden) {
+          this.$element[0].value = value
+          this.show()
+        }
+      } else {
+        if (!this.isHidden) this.hide()
+        this.$element[0].value = value
+      }
+      return this
+    }
+
+    // Hide placeholder at user input
+  , hide: function (e) {
+      var isActiveElement = this.$replacement.is(':focus')
+      if (this.isHidden) return;
+      if (!e || !(e.shiftKey && e.keyCode === 16) && e.keyCode !== 9) {
+        this.isHidden = true
+        if (this.isPassword) {
+          this.$replacement.before(this.$element.show()).hide()
+          if (isActiveElement) this.$element.focus()
+        } else {
+          this.$element[0].value = ''
+          this.$element.removeClass(this.options.className)
+        }
+      }
+    }
+
+    // Show placeholder on blur and keyup
+  , show: function (e) {
+      var isActiveElement = this.$element.is(':focus')
+      if (!this.isHidden) return;
+      if (this.$element[0].value === '') {
+        this.isHidden = false
+        if (this.isPassword) {
+          this.$element.before(this.$replacement.show()).hide()
+          if (isActiveElement) this.$replacement.focus()
+        } else {
+          this.$element[0].value = this.placeholderAttr
+          this.$element.addClass(this.options.className)
+          if (isActiveElement) this.setCaret(e)
+        }
+      }
+    }
+
+    // Set caret at the beginning of the input
+  , setCaret: function (e) {
+      if (e && !this.isHidden) {
+        setCaretTo(this.$replacement[0], 0)
+        e.preventDefault()
+      }
+    }
+
+    // Make and return replacement element
+  , makeReplacement: function () {
+      // we can't use $.fn.clone because ie <= 8 doesn't allow type change
+      var replacementAttributes =
+        $.extend(
+          getAttributes(this.$element[0])
+        , { 'type': 'text'
+          , 'value': this.placeholderAttr
+          }
+        )
+
+      // replacement should not have input name
+      delete replacementAttributes.name
+
+      this.$replacement = $('<input>', replacementAttributes)
+        .data('placeholder', this)
+        .addClass(this.options.className)
+
+      return this.$replacement;
+    }
+
+  }
+
+
+  // Override jQuery val and prop hooks
+  $.valHooks.input = $.valHooks.textarea = $.propHooks.value = {
+    get: function (element) {
+      var placeholder = $(element).data('placeholder')
+      return placeholder ? placeholder.val() : element.value;
+    }
+  , set: function (element, value) {
+      var placeholder = $(element).data('placeholder')
+      return placeholder ? placeholder.val(value) : element.value = value;
+    }
+  }
+
+
+  // Plugin definition
+  $.fn.placeholder = function (option) {
+    return this.each(function () {
+      var $this = $(this)
+        , data = $this.data('placeholder')
+        , options = $.extend({}, $.fn.placeholder.defaults, typeof option === 'object' && option)
+
+      if (!data && $this.is('[placeholder]') && (options.force ||
+          !isInputSupported && $this.is('input') ||
+          !isTextareaSupported && $this.is('textarea'))) {
+        $this.data('placeholder', data = new Placeholder(this, options))
+      }
+
+      if (data && typeof option === 'string') data[option]()
+    })
+  }
+  $.fn.placeholder.defaults = {
+    force: false
+  , className: 'placeholder'
+  }
+  $.fn.placeholder.Constructor = Placeholder
+
+
+  // Events
+  $(document).on('submit.placeholder', 'form', function () {
+    // Clear the placeholder values so they don't get submitted
+    $placeholders.placeholder('hide')
+    // And then restore them back
+    setTimeout(function () { $placeholders.placeholder('show') }, 10)
+  })
+  $(window).on('beforeunload.placeholder', function () {
+    // Clear placeholders upon page reload
+    $placeholders.placeholder('hide')
+  })
+
+  return Placeholder
+
+}));
diff --git a/core/js/share.js b/core/js/share.js
index 281cccaaef8..da0eee6a476 100644
--- a/core/js/share.js
+++ b/core/js/share.js
@@ -310,6 +310,9 @@ OC.Share={
 		$('#dropdown').show('blind', function() {
 			OC.Share.droppedDown = true;
 		});
+		if ($('html').hasClass('lte9')){
+			$('#dropdown input[placeholder]').placeholder();
+		}
 		$('#shareWith').focus();
 	},
 	hideDropDown:function(callback) {