/* <copyright>
Copyright (c) 2012, Motorola Mobility LLC.
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Motorola Mobility LLC nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
</copyright> */
var Montage = require("montage/core/core").Montage,
snapManager = require("js/helper-classes/3D/snap-manager").SnapManager,
viewUtils = require("js/helper-classes/3D/view-utils").ViewUtils,
vecUtils = require("js/helper-classes/3D/vec-utils").VecUtils,
drawUtils = require("js/helper-classes/3D/draw-utils").DrawUtils,
DrawingTool = require("js/tools/drawing-tool").DrawingTool;
exports.ZoomTool = Montage.create(DrawingTool, {
drawingFeedback: { value: { mode: "Draw2D", type: "" } },
_mode :{ value: null},
_isDrawing: {value: false},
_zoomFactor :{value: 1.0},
_hasDraw :{value:false},
_escPressed:{value:true},
_layerX:{value:0},
_layerY:{value:0},
_delta:{value:0},
_x:{value:0},
_y:{value:0},
_factor:{value:1},
HandleLeftButtonDown: {
value : function (event) {
NJevent("enableStageMove");
this._isDrawing=true;
var point = webkitConvertPointFromPageToNode(this.application.ninja.stage.canvas,
new WebKitPoint(event.pageX, event.pageY));
this.downPoint.x = point.x;
this.downPoint.y = point.y;
}
},
HandleAltKeyDown: {
value: function(event) {
this.setCursor();
this._altKeyDown=true;
}
},
HandleAltKeyUp: {
value: function(event) {
this.setCursor();
this._altKeyDown=false;
}
},
HandleEscape: {
value: function(event) {
this.application.ninja.stage.clearDrawingCanvas();
this._escPressed=false;
}
},
Configure: {
value: function(wasSelected) {
if(this.options.selectedElement==="zoomOutTool"){
var cursor = "url('images/cursors/zoom_minus.png'), default";
this.application.ninja.stage.drawingCanvas.style.cursor = cursor;
}
if(wasSelected) {
this.AddCustomFeedback();
this.eventManager.addEventListener( "toolDoubleClick", this, false);
this.application.ninja.stage.drawingCanvas.addEventListener("mousewheel", this, false);
} else {
this.RemoveCustomFeedback();
this.eventManager.removeEventListener( "toolDoubleClick", this, false);
this.application.ninja.stage.drawingCanvas.removeEventListener("mousewheel", this, false);
}
}
},
AddCustomFeedback: {
value: function (event) {
this.application.ninja.stage.canvas.addEventListener("mousewheel", this, false);
}
},
handleScrollValue:{
value:function(){
this._mode = "mouseWheelZoom";
this._zoomFactor= this.application.ninja.documentBar.zoomFactor/100;
if(this._delta > 0){
this._zoomFactor *= 1.2;
}
else{
this._zoomFactor /= 1.2;
}
this._zoomFactor = this.checkZoomLimit(this._zoomFactor);
this._setZoom(this._mode,this._zoomFactor);
this._mode="modeReset";
}
},
handleMousewheel :{
value:function(event){
var point = webkitConvertPointFromPageToNode(this.application.ninja.stage.canvas,
new WebKitPoint(event.pageX, event.pageY));
this._layerX = point.x;
this._layerY = point.y;
this._delta = 0;
if (event.wheelDelta) {
this._delta = event.wheelDelta/120;
}
if (this._delta){
this.handleScrollValue(this._delta);
}
if (event.preventDefault)
event.preventDefault();
event.returnValue = false;
}
},
HandleMouseMove:
{
value : function (event)
{
var point = webkitConvertPointFromPageToNode(this.application.ninja.stage.canvas,
new WebKitPoint(event.pageX, event.pageY));
// check for some reasonable amount of mouse movement
var dx = Math.abs(point.x - this.downPoint.x),
dy = Math.abs(point.y - this.downPoint.y);
if ((dx >= 10) || (dy >= 10))
{
// Drawing the Marquee
if(this.options.selectedElement==="zoomInTool")
{
if(this._altKeyDown)
this._hasDraw=false;
else
this._hasDraw = true;
}
else
{
if(this._altKeyDown)
this._hasDraw=true;
else
this._hasDraw=false;
}
if(this._hasDraw)
{
this.doDraw(event);
this._x = this.downPoint.x;
this._y = this.downPoint.y;
}
}
}
},
handleZoomChange:
{
value: function(event)
{
}
},
_setZoom:{
value:function(mode,zoomFactor)
{
var userContent = this.application.ninja.currentDocument.model.documentRoot;
this._oldValue = this.application.ninja.documentBar.zoomFactor;
var globalPt;
if(this._mode==="mouseClickZoom")
{
if(this.options.selectedElement==="zoomInTool")
{
if(this._altKeyDown)
this._factor = this._oldValue/(zoomFactor*100);
else
this._factor = (zoomFactor*100)/this._oldValue;
}
else
{
if(this._altKeyDown)
this._factor = (zoomFactor*100)/this._oldValue;
else
this._factor = this._oldValue/(zoomFactor*100);
}
var hitRec = snapManager.snap( this._layerX, this._layerY, true );
if (hitRec)
{
var elt = hitRec.getElement();
if (elt)
{
// console.log( "hit: " + hitRec.getElement().id );
var localToGlobalMat = viewUtils.getLocalToGlobalMatrix( elt );
var localPt;
if (elt != userContent)
localPt = hitRec.calculateElementPreTransformScreenPoint();
else
{
localPt = hitRec.calculateElementWorldPoint();
viewUtils.pushViewportObj( userContent );
var cop = viewUtils.getCenterOfProjection();
this._localPt = [cop[0] + localPt[0], cop[1] + localPt[1], localPt[2]];
localPt = this._localPt.slice();
viewUtils.popViewportObj();
}
globalPt = MathUtils.transformAndDivideHomogeneousPoint( localPt, localToGlobalMat );
}
else
globalPt = [this._layerX, this._layerY, 0];
}
else
globalPt = [this._layerX, this._layerY, 0];
}
else if (this._mode==="marqueeZoom")
{
this._factor = (zoomFactor*100)/this._oldValue;
var p0 = [this._x, this._y, 0];
var p1 = [this._layerX, this._layerY, 0];
globalPt = vecUtils.vecAdd(3, p0, p1);
vecUtils.vecScale(3, globalPt, 0.5);
}
else if (this._mode === "doubleClickReset")
{
if (userContent)
{
var w = userContent.offsetWidth,
h = userContent.offsetHeight;
if(userContent.width)
w = userContent.width;
if(userContent.height)
h = userContent.height;
globalPt = [ w/2, h/2, 0];
}
else
globalPt = [0,0,0];
zoomFactor = 1;
}
else if (this._mode === "mouseWheelZoom")
{
var w = this.application.ninja.stage._canvas.width,
h = this.application.ninja.stage._canvas.height;
globalPt = [w/2, h/2, 0];
}
else
{
console.log( "unhandled zoom mode: " + this._mode );
return;
}
// apply the scale to the matrices
var localPt = viewUtils.globalToLocal( globalPt, userContent );
viewUtils.setStageZoom( globalPt, zoomFactor );
// let the document and stage manager know about the zoom change
this.application.ninja.stage._firstDraw = true;
this.application.ninja.documentBar.zoomFactor = zoomFactor*100;
//this.application.ninja.stage.zoomFactor = zoomFactor;
if (zoomFactor >= 1)
{
this.application.ninja.currentDocument.model.views.design.iframe.style.zoom = zoomFactor;
}
this.application.ninja.stage._firstDraw = false;
//tmp3 = viewUtils.localToGlobal( localPt, userContent ); // DEBUG - remove this line
// if we are resetting the zoom, clear out the translation from the matrices
if (this._mode === "doubleClickReset")
{
viewUtils.clearStageTranslation();
this.application.ninja.stage.centerStage();
}
// we need to redraw the entire stage after a zoom
this.application.ninja.stage.updatedStage = true;
}
},
handleToolDoubleClick: {
value: function () {
this._zoomFactor = 1;
this._mode="doubleClickReset";
this._setZoom(this._mode ,this._zoomFactor);
}
},
RemoveCustomFeedback: {
value: function (event) {
this.application.ninja.stage.canvas.removeEventListener("mousewheel", this, false);
}
},
HandleLeftButtonUp : {
value : function(event) {
var point = webkitConvertPointFromPageToNode(this.application.ninja.stage.canvas,
new WebKitPoint(event.pageX, event.pageY));
this._layerX = point.x;
this._layerY = point.y;
if(event.which===1){
if(this._isDrawing){
this.endDraw(event);
if(this._hasDraw){
if(this._escPressed){
this._mode="marqueeZoom";
this._zoomFactor =this.application.ninja.documentBar.zoomFactor/100;
this._zoomFactor *=4;
this._zoomFactor = this.checkZoomLimit(this._zoomFactor);
this._setZoom(this._mode,this._zoomFactor);
this._mode="modeReset";
}
this._escPressed=true;
} else{
this._mode="mouseClickZoom";
this._zoomFactor=this.application.ninja.documentBar.zoomFactor/100;
if((this.options.selectedElement==="zoomInTool")){
if(this._altKeyDown)
this._zoomFactor /= 1.2 ;
else
this._zoomFactor *= 1.2 ;
}
else{
if(this._altKeyDown){
this._zoomFactor *= 1.2 ;
}
else{
this._zoomFactor /= 1.2 ;
}
}
this._zoomFactor = this.checkZoomLimit(this._zoomFactor);
this._setZoom(this._mode,this._zoomFactor);
this._mode="modeReset";
}
}
this._hasDraw=false;
NJevent("disableStageMove");
this._isDrawing = false ;
}
else
{
return;
}
}
},
checkZoomLimit:{
value:function( zoomFactor ){
if(zoomFactor > 20)
zoomFactor = 20;
if(zoomFactor < .25)
zoomFactor = .25;
return zoomFactor;
}
},
setCursor:{
value:function(){
if(this._altKeyDown){
if(this.options.selectedElement==="zoomOutTool"){
var cursor = "url('images/cursors/zoom_minus.png'), default";
this.application.ninja.stage.drawingCanvas.style.cursor = cursor;
}
else{
var cursor = "url('images/cursors/zoom.png'), default";
this.application.ninja.stage.drawingCanvas.style.cursor = cursor;
}
}
else{
if(this.options.selectedElement==="zoomOutTool"){
var cursor = "url('images/cursors/zoom.png'), default";
this.application.ninja.stage.drawingCanvas.style.cursor = cursor;
}
else{
var cursor = "url('images/cursors/zoom_minus.png'), default";
this.application.ninja.stage.drawingCanvas.style.cursor = cursor;
}
}
}
}
});