Merge branch 'master' into derp

Conflicts:
	_config.yml
	dist/css/bootstrap-theme.css.map
	dist/css/bootstrap.css
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	docs/_includes/components/glyphicons.html
	docs/_includes/css/forms.html
	docs/_includes/css/tables.html
	docs/_includes/getting-started/browser-device-support.html
	docs/_includes/header.html
	docs/_includes/js/affix.html
	docs/_includes/js/alerts.html
	docs/_includes/js/buttons.html
	docs/_includes/js/dropdowns.html
	docs/_includes/js/overview.html
	docs/_includes/js/popovers.html
	docs/_includes/js/tooltips.html
	docs/_includes/nav/javascript.html
	docs/assets/css/docs.min.css
	docs/assets/css/src/docs.css
	docs/assets/js/customize.min.js
	docs/assets/js/docs.min.js
	docs/assets/js/raw-files.min.js
	docs/browser-bugs.html
	docs/dist/css/bootstrap-theme.css.map
	docs/dist/css/bootstrap.css
	docs/dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.min.css
	docs/examples/blog/index.html
	docs/examples/carousel/index.html
	docs/examples/cover/index.html
	docs/examples/dashboard/index.html
	docs/examples/grid/index.html
	docs/examples/jumbotron-narrow/index.html
	docs/examples/jumbotron/index.html
	docs/examples/justified-nav/index.html
	docs/examples/navbar-fixed-top/index.html
	docs/examples/navbar-static-top/index.html
	docs/examples/navbar/index.html
	docs/examples/non-responsive/index.html
	docs/examples/offcanvas/index.html
	docs/examples/signin/index.html
	docs/examples/starter-template/index.html
	docs/examples/sticky-footer-navbar/index.html
	docs/examples/sticky-footer/index.html
	docs/examples/theme/index.html
	docs/examples/tooltip-viewport/index.html
	less/code.less
	less/panels.less
	less/variables.less

2 files changed, 85 insertions, 18 deletions

diff --git a/docs/assets/js/src/application.js b/docs/assets/js/src/application.js
index 214857243..5d07489e8 100644
--- a/docs/assets/js/src/application.js
+++ b/docs/assets/js/src/application.js
@@ -73,9 +73,8 @@
     $('.tooltip-test').tooltip()
     $('.popover-test').popover()
 
-    // Default & dismissible popover demos
+    // Popover demos
     $('.bs-docs-popover').popover()
-    $('.bs-docs-popover-dismiss').popover({ trigger: 'focus' })
 
     // Button state demo
     $('#loading-example-btn').click(function () {
diff --git a/docs/assets/js/src/customizer.js b/docs/assets/js/src/customizer.js
index c3a212f2c..7340f1668 100644
--- a/docs/assets/js/src/customizer.js
+++ b/docs/assets/js/src/customizer.js
@@ -16,6 +16,9 @@ window.onload = function () { // wait for load in a dumb way because B-0
            ' * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n' +
            ' */\n\n'
 
+  var supportsFile = (window.File && window.FileReader && window.FileList && window.Blob)
+  var importDropTarget = $('#import-drop-target')
+
   function showError(msg, err) {
     $('<div id="bsCustomizerAlert" class="bs-customizer-alert">' +
         '<div class="container">' +
@@ -46,6 +49,11 @@ window.onload = function () { // wait for load in a dumb way because B-0
     }
   }
 
+  function showAlert(type, msg, insertAfter) {
+    $('<div class="alert alert-' + type + '">' + msg + '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button></div>')
+      .insertAfter(insertAfter)
+  }
+
   function getQueryParam(key) {
     key = key.replace(/[*+?^$.\[\]{}()|\\\/]/g, '\\$&') // escape RegEx meta chars
     var match = location.search.match(new RegExp('[?&]' + key + '=([^&]+)(&|$)'))
@@ -106,6 +114,24 @@ window.onload = function () { // wait for load in a dumb way because B-0
     return data
   }
 
+  function updateCustomizerFromJson(data) {
+    if (data.js) {
+      $('#plugin-section input').each(function () {
+        $(this).prop('checked', ~$.inArray(this.value, data.js))
+      })
+    }
+    if (data.css) {
+      $('#less-section input').each(function () {
+        $(this).prop('checked', ~$.inArray(this.value, data.css))
+      })
+    }
+    if (data.vars) {
+      for (var i in data.vars) {
+        $('input[data-var="' + i + '"]').val(data.vars[i])
+      }
+    }
+  }
+
   function parseUrl() {
     var id = getQueryParam('id')
 
@@ -118,21 +144,7 @@ window.onload = function () { // wait for load in a dumb way because B-0
     })
     .success(function (result) {
       var data = JSON.parse(result.files['config.json'].content)
-      if (data.js) {
-        $('#plugin-section input').each(function () {
-          $(this).prop('checked', ~$.inArray(this.value, data.js))
-        })
-      }
-      if (data.css) {
-        $('#less-section input').each(function () {
-          $(this).prop('checked', ~$.inArray(this.value, data.css))
-        })
-      }
-      if (data.vars) {
-        for (var i in data.vars) {
-          $('input[data-var="' + i + '"]').val(data.vars[i])
-        }
-      }
+      updateCustomizerFromJson(data)
     })
     .error(function (err) {
       showError('Error fetching bootstrap config file', err)
@@ -324,6 +336,61 @@ window.onload = function () { // wait for load in a dumb way because B-0
     }
   }
 
+  function removeImportAlerts() {
+    importDropTarget.nextAll('.alert').remove()
+  }
+
+  function handleConfigFileSelect(e) {
+    e.stopPropagation()
+    e.preventDefault()
+
+    var file = (e.originalEvent.hasOwnProperty('dataTransfer')) ? e.originalEvent.dataTransfer.files[0] : e.originalEvent.target.files[0]
+
+    if (!file.type.match('application/json')) {
+      return showAlert('danger', '<strong>Ruh roh.</strong> We can only read <code>.json</code> files. Please try again.', importDropTarget)
+    }
+
+    var reader = new FileReader()
+
+    reader.onload = (function () {
+      return function (e) {
+        var text = e.target.result
+
+        try {
+          var json = JSON.parse(text)
+
+          if (typeof json != 'object') {
+            throw new Error('JSON data from config file is not an object.')
+          }
+
+          updateCustomizerFromJson(json)
+          showAlert('success', '<strong>Woohoo!</strong> Your configuration was successfully uploaded. Tweak your settings, then hit Download.', importDropTarget)
+        } catch (err) {
+          return showAlert('danger', '<strong>Shucks.</strong> We can only read valid <code>.json</code> files. Please try again.', importDropTarget)
+        }
+      }
+    })(file)
+
+    reader.readAsText(file)
+  }
+
+  function handleConfigDragOver(e) {
+    e.stopPropagation()
+    e.preventDefault()
+    e.originalEvent.dataTransfer.dropEffect = 'copy'
+
+    removeImportAlerts()
+  }
+
+  if (supportsFile) {
+    importDropTarget
+      .on('dragover', handleConfigDragOver)
+      .on('drop', handleConfigFileSelect)
+  }
+
+  $('#import-file-select').on('select', handleConfigFileSelect)
+  $('#import-manual-trigger').on('click', removeImportAlerts)
+
   var inputsComponent = $('#less-section input')
   var inputsPlugin    = $('#plugin-section input')
   var inputsVariables = $('#less-variables-section input')
@@ -410,7 +477,8 @@ window.onload = function () { // wait for load in a dumb way because B-0
       { type: 'image/svg+xml;charset=utf-8' }
     )
     var objectUrl = url.createObjectURL(svg);
-    if (/^blob:/.exec(objectUrl) === null) {
+
+    if (/^blob:/.exec(objectUrl) === null || !supportsFile) {
       // `URL.createObjectURL` created a URL that started with something other
       // than "blob:", which means it has been polyfilled and is not supported by
       // this browser.