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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
var Montage = require("montage/core/core").Montage,
Translate3DToolBase = require("js/tools/Translate3DToolBase").Translate3DToolBase,
drawUtils = require("js/helper-classes/3D/draw-utils").DrawUtils,
viewUtils = require("js/helper-classes/3D/view-utils").ViewUtils,
snapManager = require("js/helper-classes/3D/snap-manager").SnapManager;
exports.TranslateObject3DTool = Montage.create(Translate3DToolBase, {
_toolID: { value: "translateObject3DTool" },
_canOperateOnStage: { value: true },
_initializeToolHandles: {
value: function() {
this._inLocalMode = (this.options.selectedMode === "rotateLocally");
}
},
initializeSnapping : {
value : function(event)
{
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)
{
// this.doSelection(event);
snapManager.enableElementSnap ( true );
snapManager.enableGridSnap ( true );
}
else
{
this._delta = null;
// special case for z-translation
if(this._handleMode === 2)
{
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 === 2)
{
// TODO - not sure how to parameterize point in z-translate mode
this.clickedObject = this._target;
this._snapParam = [0, 0, 0];
}
else
{
// parameterize the snap point on the target
this._snapParam = this.parameterizeSnap( hitRec );
}
if(!this._dragPlane)
{
if( this._inLocalMode && (this._targets.length === 1) )
{
this._dragPlane = viewUtils.getUnprojectedElementPlane(this._clickedObject);
snapManager.setupDragPlaneFromPlane(this._dragPlane);
}
else
{
this._dragPlane = snapManager.setupDragPlanes( hitRec, true );
}
}
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];
// 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;
this.DrawHandles();
}
}
});
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