Merge pull request #26 from elcuervo/copy_to_clipboard_without_flash

Adds a way to copy the license without using ZeroClipboard

javascripts/app.coffee

@@ -1,5 +1,26 @@
 class Choosealicense
 
+  # Checks if Flash is available in the client.
+  flashAvailable: ->
+    if ActiveXObject?
+      !!(new ActiveXObject('ShockwaveFlash.ShockwaveFlash'))
+    else
+      !!navigator.mimeTypes["application/x-shockwave-flash"]
+
+  # Selects the content of a given element
+  selectText: (element) ->
+    if document.body.createTextRange
+      range = document.body.createTextRange();
+      range.moveToElementText(element);
+      range.select();
+    else if window.getSelection
+      selection = window.getSelection()
+      range = document.createRange()
+
+      range.selectNodeContents(element)
+      selection.removeAllRanges();
+      selection.addRange(range);
+
   # Qtip position attributes for tooltips
   qtip_position:
     my: "top center"
@@ -14,7 +35,7 @@ class Choosealicense
   # fire on document.ready
   constructor: ->
     @initTooltips()
-    @initClipboard() if ZeroClipboard?
+    @initClipboard()
 
   # Init tooltip action
   initTooltips: ->
@@ -37,18 +58,31 @@ class Choosealicense
 
     false
 
+  # Initializes ZeroClipboard
+  initZeroClipboard: ->
+      # Backup the clipboard button's original text.
+      $(".js-clipboard-button").data "clipboard-prompt", $(".js-clipboard-button").text()
+
+      # Hook up copy to clipboard buttons
+      clip = new ZeroClipboard $(".js-clipboard-button"),
+        moviePath: "/javascripts/ZeroClipboard.swf"
+      clip.on "mouseout", @clipboardMouseout
+      clip.on "complete", @clipboardComplete
+      clip
+
+  # Initializes an alternative way to copy the license for non-flash compatible
+  # browsers
+  initAlternativeClipboard: ->
+    $(".js-clipboard-button").click (e) =>
+      target = "#" + $(e.target).data("clipboard-target")
+      @selectText $(target)[0]
+
   # if Zero Clipboard is present, bind to button and init
   initClipboard: ->
-
-    # Backup the clipboard button's original text.
-    $(".js-clipboard-button").data "clipboard-prompt", $(".js-clipboard-button").text()
-  
-    # Hook up copy to clipboard buttons
-    clip = new ZeroClipboard $(".js-clipboard-button"),
-      moviePath: "/javascripts/ZeroClipboard.swf"
-    clip.on "mouseout", @clipboardMouseout
-    clip.on "complete", @clipboardComplete
-    clip
+    if ZeroClipboard? && @flashAvailable()
+      @initZeroClipboard()
+    else
+      @initAlternativeClipboard()
 
   # Callback to restore the clipboard button's original text
   clipboardMouseout: (client, args) ->

javascripts/app.js

@@ -1,8 +1,32 @@
-// Generated by CoffeeScript 1.6.3
+// Generated by CoffeeScript 1.4.0
 (function() {
   var Choosealicense;
 
   Choosealicense = (function() {
+
+    Choosealicense.prototype.flashAvailable = function() {
+      if (typeof ActiveXObject !== "undefined" && ActiveXObject !== null) {
+        return !!(new ActiveXObject('ShockwaveFlash.ShockwaveFlash'));
+      } else {
+        return !!navigator.mimeTypes["application/x-shockwave-flash"];
+      }
+    };
+
+    Choosealicense.prototype.selectText = function(element) {
+      var range, selection;
+      if (document.body.createTextRange) {
+        range = document.body.createTextRange();
+        range.moveToElementText(element);
+        return range.select();
+      } else if (window.getSelection) {
+        selection = window.getSelection();
+        range = document.createRange();
+        range.selectNodeContents(element);
+        selection.removeAllRanges();
+        return selection.addRange(range);
+      }
+    };
+
     Choosealicense.prototype.qtip_position = {
       my: "top center",
       at: "bottom center"
@@ -16,9 +40,7 @@
 
     function Choosealicense() {
       this.initTooltips();
-      if (typeof ZeroClipboard !== "undefined" && ZeroClipboard !== null) {
-        this.initClipboard();
-      }
+      this.initClipboard();
     }
 
     Choosealicense.prototype.initTooltips = function() {
@@ -49,7 +71,7 @@
       return false;
     };
 
-    Choosealicense.prototype.initClipboard = function() {
+    Choosealicense.prototype.initZeroClipboard = function() {
       var clip;
       $(".js-clipboard-button").data("clipboard-prompt", $(".js-clipboard-button").text());
       clip = new ZeroClipboard($(".js-clipboard-button"), {
@@ -60,6 +82,23 @@
       return clip;
     };
 
+    Choosealicense.prototype.initAlternativeClipboard = function() {
+      var _this = this;
+      return $(".js-clipboard-button").click(function(e) {
+        var target;
+        target = "#" + $(e.target).data("clipboard-target");
+        return _this.selectText($(target)[0]);
+      });
+    };
+
+    Choosealicense.prototype.initClipboard = function() {
+      if ((typeof ZeroClipboard !== "undefined" && ZeroClipboard !== null) && this.flashAvailable()) {
+        return this.initZeroClipboard();
+      } else {
+        return this.initAlternativeClipboard();
+      }
+    };
+
     Choosealicense.prototype.clipboardMouseout = function(client, args) {
       return this.innerText = $(this).data("clipboard-prompt");
     };