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vanilla ckeditor-3.5.3
[ckeditor.git] / _source / plugins / selection / plugin.js
index fd8332e..66161f3 100644 (file)
@@ -70,6 +70,25 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 \r
        // #### checkSelectionChange : END\r
 \r
+       function rangeRequiresFix( range )\r
+       {\r
+               function isInlineCt( node )\r
+               {\r
+                       return node && node.type == CKEDITOR.NODE_ELEMENT\r
+                                       && node.getName() in CKEDITOR.dtd.$removeEmpty;\r
+               }\r
+\r
+               var start = range.startContainer,\r
+                       offset = range.startOffset;\r
+\r
+               if ( start.type == CKEDITOR.NODE_TEXT )\r
+                       return false;\r
+\r
+               // 1. Empty inline element. <span>^</span>\r
+               // 2. Adjoin to inline element. <p><strong>text</strong>^</p>\r
+               return !CKEDITOR.tools.trim( start.getHtml() ) ? isInlineCt( start ) : isInlineCt( start.getChild( offset - 1 ) ) || isInlineCt( start.getChild( offset ) );\r
+       }\r
+\r
        var selectAllCmd =\r
        {\r
                modes : { wysiwyg : 1, source : 1 },\r
@@ -99,10 +118,116 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                canUndo : false\r
        };\r
 \r
+       function createFillingChar( doc )\r
+       {\r
+               removeFillingChar( doc );\r
+\r
+               var fillingChar = doc.createText( '\u200B' );\r
+               doc.setCustomData( 'cke-fillingChar', fillingChar );\r
+\r
+               return fillingChar;\r
+       }\r
+\r
+       function getFillingChar( doc )\r
+       {\r
+               return doc && doc.getCustomData( 'cke-fillingChar' );\r
+       }\r
+\r
+       // Checks if a filling char has been used, eventualy removing it (#1272).\r
+       function checkFillingChar( doc )\r
+       {\r
+               var fillingChar = doc && getFillingChar( doc );\r
+               if ( fillingChar )\r
+               {\r
+                       // Use this flag to avoid removing the filling char right after\r
+                       // creating it.\r
+                       if ( fillingChar.getCustomData( 'ready' ) )\r
+                               removeFillingChar( doc );\r
+                       else\r
+                               fillingChar.setCustomData( 'ready', 1 );\r
+               }\r
+       }\r
+\r
+       function removeFillingChar( doc )\r
+       {\r
+               var fillingChar = doc && doc.removeCustomData( 'cke-fillingChar' );\r
+               if ( fillingChar )\r
+               {\r
+                       // We can't simply remove the filling node because the user\r
+                       // will actually enlarge it when typing, so we just remove the\r
+                       // invisible char from it.\r
+                       fillingChar.setText( fillingChar.getText().replace( /\u200B/g, '' ) );\r
+                       fillingChar = 0;\r
+               }\r
+       }\r
+\r
        CKEDITOR.plugins.add( 'selection',\r
        {\r
                init : function( editor )\r
                {\r
+                       // On WebKit only, we need a special "filling" char on some situations\r
+                       // (#1272). Here we set the events that should invalidate that char.\r
+                       if ( CKEDITOR.env.webkit )\r
+                       {\r
+                               editor.on( 'selectionChange', function() { checkFillingChar( editor.document ); } );\r
+                               editor.on( 'beforeSetMode', function() { removeFillingChar( editor.document ); } );\r
+                               editor.on( 'key', function( e )\r
+                                       {\r
+                                               // Remove the filling char before some keys get\r
+                                               // executed, so they'll not get blocked by it.\r
+                                               switch ( e.data.keyCode )\r
+                                               {\r
+                                                       case 13 :       // ENTER\r
+                                                       case CKEDITOR.SHIFT + 13 :      // SHIFT-ENTER\r
+                                                       case 37 :       // LEFT-ARROW\r
+                                                       case 39 :       // RIGHT-ARROW\r
+                                                       case 8 :        // BACKSPACE\r
+                                                               removeFillingChar( editor.document );\r
+                                               }\r
+                                       }, null, null, 10 );\r
+\r
+                               var fillingCharBefore,\r
+                                       resetSelection;\r
+\r
+                               function beforeData()\r
+                               {\r
+                                       var doc = editor.document,\r
+                                               fillingChar = getFillingChar( doc );\r
+\r
+                                       if ( fillingChar )\r
+                                       {\r
+                                               // If cursor is right blinking by side of the filler node, save it for restoring,\r
+                                               // as the following text substitution will blind it. (#7437)\r
+                                               var sel = doc.$.defaultView.getSelection();\r
+                                               if ( sel.type == 'Caret' && sel.anchorNode == fillingChar.$ )\r
+                                                       resetSelection = 1;\r
+\r
+                                               fillingCharBefore = fillingChar.getText();\r
+                                               fillingChar.setText( fillingCharBefore.replace( /\u200B/g, '' ) );\r
+                                       }\r
+                               }\r
+                               function afterData()\r
+                               {\r
+                                       var doc = editor.document,\r
+                                               fillingChar = getFillingChar( doc );\r
+\r
+                                       if ( fillingChar )\r
+                                       {\r
+                                               fillingChar.setText( fillingCharBefore );\r
+\r
+                                               if ( resetSelection )\r
+                                               {\r
+                                                       doc.$.defaultView.getSelection().setPosition( fillingChar.$,fillingChar.getLength() );\r
+                                                       resetSelection = 0;\r
+                                               }\r
+                                       }\r
+                               }\r
+                               editor.on( 'beforeUndoImage', beforeData );\r
+                               editor.on( 'afterUndoImage', afterData );\r
+                               editor.on( 'beforeGetData', beforeData, null, null, 0 );\r
+                               editor.on( 'getData', afterData );\r
+                       }\r
+\r
                        editor.on( 'contentDom', function()\r
                                {\r
                                        var doc = editor.document,\r
@@ -134,10 +259,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                                                // point.\r
                                                                if ( savedRange )\r
                                                                {\r
-                                                                       // Range restored here might invalidate the DOM structure thus break up\r
-                                                                       // the locked selection, give it up. (#6083)\r
-                                                                       var lockedSelection = doc.getCustomData( 'cke_locked_selection' );\r
-                                                                       if ( restoreEnabled && !lockedSelection )\r
+                                                                       if ( restoreEnabled )\r
                                                                        {\r
                                                                                // Well not break because of this.\r
                                                                                try\r
@@ -146,6 +268,14 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                                                                }\r
                                                                                catch (e)\r
                                                                                {}\r
+\r
+                                                                               // Update locked selection because of the normalized text nodes. (#6083, #6987)\r
+                                                                               var lockedSelection = doc.getCustomData( 'cke_locked_selection' );\r
+                                                                               if ( lockedSelection )\r
+                                                                               {\r
+                                                                                       lockedSelection.unlock();\r
+                                                                                       lockedSelection.lock();\r
+                                                                               }\r
                                                                        }\r
 \r
                                                                        savedRange = null;\r
@@ -571,7 +701,8 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                                range.collapse( start );\r
 \r
                                                // Gets the element that encloses the range entirely.\r
-                                               var parent = range.parentElement();\r
+                                               var parent = range.parentElement(),\r
+                                                       doc = parent.ownerDocument;\r
 \r
                                                // Empty parent element, e.g. <i>^</i>\r
                                                if ( !parent.hasChildNodes() )\r
@@ -579,6 +710,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 \r
                                                var siblings = parent.children,\r
                                                        child,\r
+                                                       sibling,\r
                                                        testRange = range.duplicate(),\r
                                                        startIndex = 0,\r
                                                        endIndex = siblings.length - 1,\r
@@ -600,7 +732,21 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                                        else if ( position < 0 )\r
                                                                startIndex = index + 1;\r
                                                        else\r
-                                                               return { container : parent, offset : getNodeIndex( child ) };\r
+                                                       {\r
+                                                               // IE9 report wrong measurement with compareEndPoints when range anchors between two BRs.\r
+                                                               // e.g. <p>text<br />^<br /></p> (#7433)\r
+                                                               if ( CKEDITOR.env.ie9Compat && child.tagName == 'BR' )\r
+                                                               {\r
+                                                                       var bmId = 'cke_range_marker';\r
+                                                                       range.execCommand( 'CreateBookmark', false, bmId );\r
+                                                                       child = doc.getElementsByName( bmId )[ 0 ];\r
+                                                                       var offset = getNodeIndex( child );\r
+                                                                       parent.removeChild( child );\r
+                                                                       return { container : parent, offset : offset };\r
+                                                               }\r
+                                                               else\r
+                                                                       return { container : parent, offset : getNodeIndex( child ) };\r
+                                                       }\r
                                                }\r
 \r
                                                // All childs are text nodes,\r
@@ -656,10 +802,11 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                                        // Start the measuring until distance overflows, meanwhile count the text nodes.\r
                                                        while ( distance > 0 )\r
                                                        {\r
-                                                               child = child[ position > 0 ? 'previousSibling' : 'nextSibling' ];\r
                                                                try\r
                                                                {\r
-                                                                       distance -= child.nodeValue.length;\r
+                                                                       sibling = child[ position > 0 ? 'previousSibling' : 'nextSibling' ];\r
+                                                                       distance -= sibling.nodeValue.length;\r
+                                                                       child = sibling;\r
                                                                }\r
                                                                // Measurement in IE could be somtimes wrong because of <select> element. (#4611)\r
                                                                catch( e )\r
@@ -1064,44 +1211,14 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                return;\r
                        }\r
 \r
-                       if ( CKEDITOR.env.ie )\r
-                       {\r
-                               this.getNative().empty();\r
+                       range = new CKEDITOR.dom.range( element.getDocument() );\r
+                       range.setStartBefore( element );\r
+                       range.setEndAfter( element );\r
+                       range.select();\r
 \r
-                               try\r
-                               {\r
-                                       // Try to select the node as a control.\r
-                                       range = this.document.$.body.createControlRange();\r
-                                       range.addElement( element.$ );\r
-                                       range.select();\r
-                               }\r
-                               catch( e )\r
-                               {\r
-                                       // If failed, select it as a text range.\r
-                                       range = this.document.$.body.createTextRange();\r
-                                       range.moveToElementText( element.$ );\r
-                                       range.select();\r
-                               }\r
-                               finally\r
-                               {\r
-                                       this.document.fire( 'selectionchange' );\r
-                               }\r
+                       this.document.fire( 'selectionchange' );\r
+                       this.reset();\r
 \r
-                               this.reset();\r
-                       }\r
-                       else\r
-                       {\r
-                               // Create the range for the element.\r
-                               range = this.document.$.createRange();\r
-                               range.selectNode( element.$ );\r
-\r
-                               // Select the range.\r
-                               var sel = this.getNative();\r
-                               sel.removeAllRanges();\r
-                               sel.addRange( range );\r
-\r
-                               this.reset();\r
-                       }\r
                },\r
 \r
                /**\r
@@ -1140,8 +1257,16 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                        {\r
                                var sel = this.getNative();\r
 \r
+                               // getNative() returns null if iframe is "display:none" in FF. (#6577)\r
+                               if ( !sel )\r
+                                       return;\r
+\r
                                if ( ranges.length )\r
+                               {\r
                                        sel.removeAllRanges();\r
+                                       // Remove any existing filling char first.\r
+                                       CKEDITOR.env.webkit && removeFillingChar( this.document );\r
+                               }\r
 \r
                                for ( var i = 0 ; i < ranges.length ; i++ )\r
                                {\r
@@ -1191,8 +1316,48 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                                startContainer.appendText( '' );\r
                                        }\r
 \r
-                                       nativeRange.setStart( startContainer.$, range.startOffset );\r
-                                       nativeRange.setEnd( range.endContainer.$, range.endOffset );\r
+                                       if ( range.collapsed\r
+                                                       && CKEDITOR.env.webkit\r
+                                                       && rangeRequiresFix( range ) )\r
+                                       {\r
+                                               // Append a zero-width space so WebKit will not try to\r
+                                               // move the selection by itself (#1272).\r
+                                               var fillingChar = createFillingChar( this.document );\r
+                                               range.insertNode( fillingChar ) ;\r
+\r
+                                               var next = fillingChar.getNext();\r
+\r
+                                               // If the filling char is followed by a <br>, whithout\r
+                                               // having something before it, it'll not blink.\r
+                                               // Let's remove it in this case.\r
+                                               if ( next && !fillingChar.getPrevious() && next.type == CKEDITOR.NODE_ELEMENT && next.getName() == 'br' )\r
+                                               {\r
+                                                       removeFillingChar( this.document );\r
+                                                       range.moveToPosition( next, CKEDITOR.POSITION_BEFORE_START );\r
+                                               }\r
+                                               else\r
+                                                       range.moveToPosition( fillingChar, CKEDITOR.POSITION_AFTER_END );\r
+                                       }\r
+\r
+                                       nativeRange.setStart( range.startContainer.$, range.startOffset );\r
+\r
+                                       try\r
+                                       {\r
+                                               nativeRange.setEnd( range.endContainer.$, range.endOffset );\r
+                                       }\r
+                                       catch ( e )\r
+                                       {\r
+                                               // There is a bug in Firefox implementation (it would be too easy\r
+                                               // otherwise). The new start can't be after the end (W3C says it can).\r
+                                               // So, let's create a new range and collapse it to the desired point.\r
+                                               if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 )\r
+                                               {\r
+                                                       range.collapse( 1 );\r
+                                                       nativeRange.setEnd( range.endContainer.$, range.endOffset );\r
+                                               }\r
+                                               else\r
+                                                       throw e;\r
+                                       }\r
 \r
                                        // Select the range.\r
                                        sel.addRange( nativeRange );\r
@@ -1276,9 +1441,22 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                        // V2\r
                        function( forceExpand )\r
                        {\r
-                               var collapsed = this.collapsed;\r
-                               var isStartMarkerAlone;\r
-                               var dummySpan;\r
+                               var collapsed = this.collapsed,\r
+                                       isStartMarkerAlone, dummySpan, ieRange;\r
+\r
+                               // Try to make a object selection.\r
+                               var selected = this.getEnclosedNode();\r
+                               if ( selected )\r
+                               {\r
+                                       try\r
+                                       {\r
+                                               ieRange = this.document.$.body.createControlRange();\r
+                                               ieRange.addElement( selected.$ );\r
+                                               ieRange.select();\r
+                                               return;\r
+                                       }\r
+                                       catch( er ) {}\r
+                               }\r
 \r
                                // IE doesn't support selecting the entire table row/cell, move the selection into cells, e.g.\r
                                // <table><tbody><tr>[<td>cell</b></td>... => <table><tbody><tr><td>[cell</td>...\r
@@ -1298,7 +1476,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                        endNode = bookmark.endNode;\r
 \r
                                // Create the main range which will be used for the selection.\r
-                               var ieRange = this.document.$.body.createTextRange();\r
+                               ieRange = this.document.$.body.createTextRange();\r
 \r
                                // Position the range at the start boundary.\r
                                ieRange.moveToElementText( startNode.$ );\r
@@ -1379,40 +1557,6 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                :\r
                        function()\r
                        {\r
-                               var startContainer = this.startContainer;\r
-\r
-                               // If we have a collapsed range, inside an empty element, we must add\r
-                               // something to it, otherwise the caret will not be visible.\r
-                               if ( this.collapsed && startContainer.type == CKEDITOR.NODE_ELEMENT && !startContainer.getChildCount() )\r
-                                       startContainer.append( new CKEDITOR.dom.text( '' ) );\r
-\r
-                               var nativeRange = this.document.$.createRange();\r
-                               nativeRange.setStart( startContainer.$, this.startOffset );\r
-\r
-                               try\r
-                               {\r
-                                       nativeRange.setEnd( this.endContainer.$, this.endOffset );\r
-                               }\r
-                               catch ( e )\r
-                               {\r
-                                       // There is a bug in Firefox implementation (it would be too easy\r
-                                       // otherwise). The new start can't be after the end (W3C says it can).\r
-                                       // So, let's create a new range and collapse it to the desired point.\r
-                                       if ( e.toString().indexOf( 'NS_ERROR_ILLEGAL_VALUE' ) >= 0 )\r
-                                       {\r
-                                               this.collapse( true );\r
-                                               nativeRange.setEnd( this.endContainer.$, this.endOffset );\r
-                                       }\r
-                                       else\r
-                                               throw( e );\r
-                               }\r
-\r
-                               var selection = this.document.getSelection().getNative();\r
-                               // getSelection() returns null in case when iframe is "display:none" in FF. (#6577)\r
-                               if ( selection )\r
-                               {\r
-                                       selection.removeAllRanges();\r
-                                       selection.addRange( nativeRange );\r
-                               }\r
+                               this.document.getSelection().selectRanges( [ this ] );\r
                        };\r
 } )();\r