Move clipboard into its own module

src/handlers/Clipboard.js

@@ -0,0 +1,106 @@
+/**
+ * xterm.js: xterm, in the browser
+ * Copyright (c) 2016, SourceLair Private Company <www.sourcelair.com> (MIT License)
+ */
+
+/**
+ * Prepares text copied from terminal selection, to be saved in the clipboard by:
+ *   1. stripping all trailing white spaces
+ *   2. converting all non-breaking spaces to regular spaces
+ * @param {string} text The copied text that needs processing for storing in clipboard
+ * @returns {string}
+ * @static
+ */
+function prepareTextForClipboard(text) {
+  var space = String.fromCharCode(32),
+      nonBreakingSpace = String.fromCharCode(160),
+      allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),
+      processedText = text.split('\n').map(function (line) {
+        // Strip all trailing white spaces and convert all non-breaking spaces
+        // to regular spaces.
+        var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space);
+
+        return processedLine;
+      }).join('\n');
+
+  return processedText;
+}
+
+/**
+ * Binds copy functionality to the given terminal.
+ * @static
+ */
+function copyHandler (ev) {
+  var copiedText = window.getSelection().toString(),
+      text = prepareTextForClipboard(copiedText);
+
+  ev.preventDefault(); // Prevent or the original text will be copied.
+}
+
+/**
+ * Bind to paste event and allow both keyboard and right-click pasting, without having the
+ * contentEditable value set to true.
+ */
+function pasteHandler(ev, term) {
+  ev.stopPropagation();
+  if (ev.clipboardData) {
+    var text = ev.clipboardData.getData('text/plain');
+    term.handler(text);
+    term.textarea.value = '';
+    return term.cancel(ev);
+  }
+}
+
+function rightClickHandler(ev) {
+  var s = document.getSelection(),
+      sText = prepareTextForClipboard(s.toString()),
+      r = s.getRangeAt(0);
+
+  var x = ev.clientX,
+      y = ev.clientY;
+
+  var cr = r.getClientRects(),
+      clickIsOnSelection = false,
+      i, rect;
+
+  for (i=0; i<cr.length; i++) {
+    rect = cr[i];
+    clickIsOnSelection = (
+      (x > rect.left) && (x < rect.right) &&
+      (y > rect.top) && (y < rect.bottom)
+    );
+    // If we clicked on selection and selection is not a single space,
+    // then mark the right click as copy-only. We check for the single
+    // space selection, as this can happen when clicking on an &nbsp;
+    // and there is not much pointing in copying a single space.
+    // Single space is char
+    if (clickIsOnSelection && (sText !== ' ')) {
+      break;
+    }
+  }
+
+  // Bring textarea at the cursor position
+  if (!clickIsOnSelection) {
+    term.textarea.style.position = 'fixed';
+    term.textarea.style.width = '10px';
+    term.textarea.style.height = '10px';
+    term.textarea.style.left = x + 'px';
+    term.textarea.style.top = y + 'px';
+    term.textarea.style.zIndex = 1000;
+    term.textarea.focus();
+
+    // Reset the terminal textarea's styling
+    setTimeout(function () {
+      term.textarea.style.position = null;
+      term.textarea.style.width = null;
+      term.textarea.style.height = null;
+      term.textarea.style.left = null;
+      term.textarea.style.top = null;
+      term.textarea.style.zIndex = null;
+    }, 1);
+  }
+}
+
+export {
+  prepareTextForClipboard, copyHandler, pasteHandler, rightClickHandler
+};

src/xterm.js

@@ -34,6 +34,7 @@
 import { CompositionHelper } from './CompositionHelper.js';
 import { EventEmitter } from './EventEmitter.js';
 import { Viewport } from './Viewport.js';
+import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';
 
 /**
  * Terminal Emulation References:
@@ -431,52 +432,20 @@ Terminal.bindBlur = function (term) {
  * Initialize default behavior
  */
 Terminal.prototype.initGlobal = function() {
-  Terminal.bindPaste(this);
+  var term = this;
+
   Terminal.bindKeys(this);
-  Terminal.bindCopy(this);
   Terminal.bindFocus(this);
   Terminal.bindBlur(this);
-};
 
-/**
- * Bind to paste event and allow both keyboard and right-click pasting, without having the
- * contentEditable value set to true.
- */
-Terminal.bindPaste = function(term) {
-  on([term.textarea, term.element], 'paste', function(ev) {
-    ev.stopPropagation();
-    if (ev.clipboardData) {
-      var text = ev.clipboardData.getData('text/plain');
-      term.handler(text);
-      term.textarea.value = '';
-      return term.cancel(ev);
-    }
+  // Bind clipboard functionality
+  on(this.element, 'copy', copyHandler);
+  on(this.textarea, 'paste', function (ev) {
+    pasteHandler.call(this, ev, term);
+  });
+  on(this.element, 'contextmenu', function (ev) {
+    rightClickHandler.call(this, ev, term);
   });
-};
-
-/**
- * Prepares text copied from terminal selection, to be saved in the clipboard by:
- *   1. stripping all trailing white spaces
- *   2. converting all non-breaking spaces to regular spaces
- * @param {string} text The copied text that needs processing for storing in clipboard
- * @returns {string}
- * @static
- */
-Terminal.prepareCopiedTextForClipboard = function (text) {
-  var space = String.fromCharCode(32),
-      nonBreakingSpace = String.fromCharCode(160),
-      allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),
-      processedText = text.split('\n').map(function (line) {
-        /**
-         * Strip all trailing white spaces and convert all non-breaking spaces to regular
-         * spaces.
-         */
-        var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space);
-
-        return processedLine;
-      }).join('\n');
-
-  return processedText;
 };
 
 /**
@@ -515,16 +484,6 @@ Terminal.bindKeys = function(term) {
   term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));
 };
 
-/**
- * Binds copy functionality to the given terminal.
- * @static
- */
-Terminal.bindCopy = function(term) {
-  on(term.element, 'copy', function(ev) {
-    return; // temporary
-  });
-};
-
 
 /**
  * Insert the given row to the terminal or produce a new one
@@ -967,57 +926,6 @@ Terminal.prototype.bindMouse = function() {
     };
   }
 
-  // Handle right-click
-  on(el, 'contextmenu', function (ev) {
-    var s = document.getSelection(),
-        sText = Terminal.prepareCopiedTextForClipboard(s.toString()),
-        r = s.getRangeAt(0);
-
-    var x = ev.clientX,
-        y = ev.clientY;
-
-    var cr = r.getClientRects(),
-        clickIsOnSelection = false,
-        i, rect;
-
-    for (i=0; i<cr.length; i++) {
-      rect = cr[i];
-      clickIsOnSelection = (
-        (x > rect.left) && (x < rect.right) &&
-        (y > rect.top) && (y < rect.bottom)
-      )
-      // If we clicked on selection and selection is not a single space,
-      // then mark the right click as copy-only. We check for the single
-      // space selection, as this can happen when clicking on an &nbsp;
-      // and there is not much pointing in copying a single space.
-      // Single space is char
-      if (clickIsOnSelection && (sText !== ' ')) {
-        break;
-      }
-    }
-
-    // Bring textarea at the cursor position
-    if (!clickIsOnSelection) {
-      term.textarea.style.position = 'fixed';
-      term.textarea.style.width = '10px';
-      term.textarea.style.height = '10px';
-      term.textarea.style.left = x + 'px';
-      term.textarea.style.top = y + 'px';
-      term.textarea.style.zIndex = 1000;
-      term.textarea.focus();
-
-      // Reset the terminal textarea's styling
-      setTimeout(function () {
-        term.textarea.style.position = null;
-        term.textarea.style.width = null;
-        term.textarea.style.height = null;
-        term.textarea.style.left = null;
-        term.textarea.style.top = null;
-        term.textarea.style.zIndex = null;
-      }, 1);
-    }
-  });
-
   on(el, 'mousedown', function(ev) {
     if (!self.mouseEvents) return;
 

test/clipboard-test.js

@@ -0,0 +1,18 @@
+var assert = require('chai').assert;
+var Terminal = require('../src/xterm');
+var Clipboard = require('../src/handlers/Clipboard');
+
+
+describe('evaluateCopiedTextProcessing', function () {
+  it('should strip trailing whitespaces and replace nbsps with spaces', function () {
+    var nonBreakingSpace = String.fromCharCode(160),
+        copiedText = 'echo' + nonBreakingSpace + 'hello' + nonBreakingSpace,
+        processedText = Clipboard.prepareTextForClipboard(copiedText);
+
+    // No trailing spaces
+    assert.equal(processedText.match(/\s+$/), null);
+
+    // No non-breaking space
+    assert.equal(processedText.indexOf(nonBreakingSpace), -1);
+  });
+});

test/test.js

@@ -245,20 +245,6 @@ describe('xterm.js', function() {
     });
   });
 
-  describe('evaluateCopiedTextProcessing', function () {
-    it('should strip trailing whitespaces and replace nbsps with spaces', function () {
-			var nonBreakingSpace = String.fromCharCode(160),
-          copiedText = 'echo' + nonBreakingSpace + 'hello' + nonBreakingSpace,
-          processedText = Terminal.prepareCopiedTextForClipboard(copiedText);
-
-      // No trailing spaces
-      assert.equal(processedText.match(/\s+$/), null);
-
-      // No non-breaking space
-      assert.equal(processedText.indexOf(nonBreakingSpace), -1);
-    });
-  });
-
   describe('Third level shift', function() {
     var evKeyDown = {
           preventDefault: function() {},