修复光标的方向键问题

src/module/editor.js

@@ -48,7 +48,7 @@ KityMinder.registerModule('TextEditModule', function() {
     return {
         'events': {
             'ready': function() {
-                this._renderTarget.appendChild(receiver.container);
+                document.body.appendChild(receiver.container);
             },
 
             'normal.beforemousedown textedit.beforemousedown inputready.beforemousedown': function(e) {
@@ -83,7 +83,6 @@ KityMinder.registerModule('TextEditModule', function() {
                     if (this.isSingleSelect() && node.isSelected()) {
                         sel.collapse();
                         sel.setColor(node.getStyle('text-selection-color'));
-
                         receiver
                             .setMinderNode(node)
                             .setCurrentIndex(e.getPosition(this.getRenderContainer()))
@@ -133,6 +132,7 @@ KityMinder.registerModule('TextEditModule', function() {
                 }
             },
             'normal.mouseup textedit.mouseup inputready.mouseup': function(e) {
+
                 mouseDownStatus = false;
 
                 var node = e.getTargetNode();
@@ -160,7 +160,11 @@ KityMinder.registerModule('TextEditModule', function() {
                     inputStatusReady(e.getTargetNode());
                 }else {
                     //当有光标时，要同步选区
-                    receiver.updateContainerRangeBySel();
+                    if(!sel.collapsed){
+                        receiver.updateContainerRangeBySel();
+                    }
+
+
                 }
 
 

src/module/editor.receiver.js

@@ -40,6 +40,7 @@ Minder.Receiver = kity.createClass('Receiver', {
         this.range = range;
         range.setStart(text || this.container, this.index).collapse(true);
         var me = this;
+
         setTimeout(function() {
             me.container.focus();
             range.select();
@@ -327,25 +328,11 @@ Minder.Receiver = kity.createClass('Receiver', {
         return this;
     },
     setContainerStyle: function() {
-        var textShapeBox = this.getBaseOffset('paper');
+        var textShapeBox = this.getBaseOffset('screen');
         this.container.style.cssText = ';left:' + (browser.ipad ? '-' : '') +
-            textShapeBox.x + 'px;top:' + (textShapeBox.y + textShapeBox.height * 0.1 ) +
+            textShapeBox.x + 'px;top:' + (textShapeBox.y  ) +
             'px;width:' + textShapeBox.width + 'px;height:' + textShapeBox.height + 'px;';
 
-        if (!this.selection.isShow()) {
-            var paperContainer = this.km.getPaper();
-            var width = paperContainer.node.parentNode.clientWidth;
-            var height = paperContainer.node.parentNode.clientHeight;
-            if (width < this.container.offsetWidth + this.container.offsetLeft) {
-                this.km.getRenderContainer().translate(width / -3, 0);
-                this.setContainerStyle();
-            } else if (height < this.container.offsetTop + this.container.offsetHeight) {
-                this.km.getRenderContainer().translate(0, height / -3);
-                this.setContainerStyle();
-            }
-        }
-
-
         return this;
     },
     getTextOffsetData: function() {