From f522ce09d98bbb2812ed25bb942597d854d71a1c Mon Sep 17 00:00:00 2001
From: hwc487
Date: Wed, 11 Apr 2012 16:01:33 -0700
Subject: Rotate3D tool changes

---
 js/tools/RotateObject3DTool.js | 141 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 140 insertions(+), 1 deletion(-)

(limited to 'js/tools/RotateObject3DTool.js')

diff --git a/js/tools/RotateObject3DTool.js b/js/tools/RotateObject3DTool.js
index 72af6eff..7b4ec083 100755
--- a/js/tools/RotateObject3DTool.js
+++ b/js/tools/RotateObject3DTool.js
@@ -4,7 +4,9 @@ No rights, expressed or implied, whatsoever to this software are provided by Mot
 (c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
 </copyright> */
 
-var Montage = require("montage/core/core").Montage;
+var Montage = require("montage/core/core").Montage,
+    viewUtils = require("js/helper-classes/3D/view-utils").ViewUtils,
+    snapManager = require("js/helper-classes/3D/snap-manager").SnapManager;
 
 var Rotate3DToolBase = require("js/tools/Rotate3DToolBase").Rotate3DToolBase;
 var toolHandleModule = require("js/stage/tool-handle");
@@ -54,6 +56,143 @@ exports.RotateObject3DTool = Montage.create(Rotate3DToolBase, {
         }
     },
 
+    initializeSnapping : {
+        value : function(event)
+        {
+            console.log( "initializeSnapping" );
+
+			this._mouseDownHitRec = null;
+			this._mouseUpHitRec   = null;
+
+			snapManager.clearAvoidList();
+			snapManager.clearDragPlane();
+
+			// the translate tool does snap align to the bounds of the object only.
+			// turn off snap align to the cursor.  This needs to be re-enabled in the mouse up method
+			snapManager.enableSnapAlign( false );
+
+			// snap to element and snap to grid are conditionally enabled based
+			// on the snap results of the mouse down.  enable everything for the first snap
+			this._snapToElements = snapManager.elementSnapEnabledAppLevel();
+			this._snapToGrid = snapManager.gridSnapEnabledAppLevel();
+
+            this._dragPlane = null;
+            this._clickedOnStage = false;
+            var do3DSnap = true;
+            
+            if(this._handleMode === null)
+            {
+                snapManager.enableElementSnap	( true	);
+				snapManager.enableGridSnap		( true	);
+            }
+//            else
+//            {
+//                this._delta = null;
+                // special case for z-translation
+//                if(this._handleMode === 0)
+//                {
+//                    this._dragPlane = viewUtils.getNormalToUnprojectedElementPlane(this._target);
+//                    snapManager.setupDragPlaneFromPlane(this._dragPlane);
+//                    do3DSnap = false;
+
+//                    snapManager.enableElementSnap	( false	);
+//                    snapManager.enableGridSnap		( false );
+//                }
+//            }
+
+            if (this._targets)
+            {
+                var point = webkitConvertPointFromPageToNode(this.application.ninja.stage.canvas,
+                                                                new WebKitPoint(event.pageX, event.pageY));
+
+				// do the snap before setting up the avoid list to allow
+				// a snap on the mouse down
+				var hitRec = snapManager.snap(point.x, point.y, do3DSnap);
+
+//                if(this._handleMode === 2)
+//                {
+//                    // translate z doesn't snap to element so hitRec's element will always be different
+//                    // from what the browser says we clicked on. So, skip this check.
+//                }
+//                else
+//                {
+//                    // Check that hitRec's element matches element that browser says we clicked on
+//                    // TODO - This is still not working when using a handle that is on top of an
+//                    // element that is not currently selected
+//                    var elt = this.application.ninja.stage.GetSelectableElement(event);
+//                    if(elt && (elt !== hitRec.getElement()))
+//                    {
+//                        hitRec = snapManager.findHitRecordForElement(elt);
+//                    }
+//                    if(elt === this.application.ninja.currentSelectedContainer)
+//                    {
+//                        this._clickedOnStage = true;
+//                    }
+//                }
+
+                // we don't want to snap to selected objects during the drag
+//                var len = this._targets.length;
+//                for(var i=0; i<len; i++)
+//                {
+//                    snapManager.addToAvoidList( this._targets[i].elt );
+//                }
+				if (hitRec)
+				{
+					// disable snap attributes
+					if (hitRec.getType() == hitRec.SNAP_TYPE_ELEMENT)
+					{
+						this._snapToElements = false;
+						this._snapToGrid = false;
+					}
+					else if (hitRec.getType() == hitRec.SNAP_TYPE_ELEMENT_CENTER)
+					{
+						snapManager.enableSnapAlign( snapManager.snapAlignEnabledAppLevel() );
+					}
+
+                    if(this._handleMode === 0)
+                        this.clickedObject = this._target;
+
+                    // parameterize the snap point on the target
+                    this._snapParam = this.parameterizeSnap( hitRec );
+
+                    if(!this._dragPlane)
+                    {
+                        if (this._targets.length === 1)
+                        {
+                            this._dragPlane = viewUtils.getUnprojectedElementPlane(this._clickedObject);
+                            snapManager.setupDragPlaneFromPlane(this._dragPlane);
+                        }
+                        else
+                        {
+                            this._dragPlane = snapManager.setupDragPlanes( hitRec, true );
+                        }
+
+                    }
+
+                    // no quadrant snapping for the rotate tool
+                    this._shouldUseQuadPt = false;
+
+					var wpHitRec = hitRec.convertToWorkingPlane( this._dragPlane );
+					this._mouseDownHitRec = wpHitRec;
+					this._mouseUpHitRec = null;
+
+					var pt = hitRec.getScreenPoint();
+					this.downPoint.x = pt[0];
+					this.downPoint.y = pt[1];
+					this.downPoint.z = pt[2];
+
+                    // TODO - need to figure out snapManager dependency by drawUtils.
+                    // For now, bypassing by calling snapManager.drawLastHit();
+//					drawUtils.refreshDisplay();
+//                    snapManager.drawLastHit();
+				}
+            }
+            else
+            {
+                this.target = null;
+            }
+        }
+    },
     _handleToolOptionsChange: {
         value: function(event) {
             this._inLocalMode = event.detail.mode;
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