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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,
ShapeTool = require("js/tools/ShapeTool").ShapeTool,
DrawingToolBase = require("js/tools/drawing-tool-base").DrawingToolBase,
ElementMediator = require("js/mediators/element-mediator").ElementMediator,
NJUtils = require("js/lib/NJUtils").NJUtils,
TagTool = require("js/tools/TagTool").TagTool,
ShapesController = require("js/controllers/elements/shapes-controller").ShapesController,
ShapeModel = require("js/models/shape-model").ShapeModel;
exports.LineTool = Montage.create(ShapeTool, {
_toolID: { value: "lineTool" },
_imageID: { value: "lineToolImg" },
_toolImageClass: { value: "lineToolUp" },
_selectedToolImageClass: { value: "lineToolDown" },
_toolTipText: { value: "Line Tool (L)" },
_tmpDrawIndex : { value : 1, writable:true},
_mode: {value: null, writable:true},
// Need to keep track of current mouse position for KEY modifiers event which do not have mouse coordinates
_currentX: {value: 0, writable: true},
_currentY: {value: 0, writable: true},
_lineView: {value: null, writable:true},
_ovalView: {value: null, writable:true},
_strokeSize: { value: 1 },
_strokeColor: { value: null },
HandleLeftButtonDown:
{
value: function (event)
{
if(this._canDraw) {
this._isDrawing = true;
}
this._strokeSize = ShapesController.GetValueInPixels(this.options.strokeSize.value, this.options.strokeSize.units, null);
this._strokeColor = this.application.ninja.colorController.colorToolbar.stroke.color.css;
this.startDraw(event);
}
},
HandleLeftButtonUp:
{
value: function (event)
{
var slope = this._getSlope(),
drawData = this.getDrawingData();
if(drawData) {
var canvas,
xAdj = 0,
yAdj = 0,
w = ~~drawData.width,
h = ~~drawData.height;
if(!this._useExistingCanvas())
{
// set the dimensions
if(slope === "horizontal")
{
h = Math.max(this._strokeSize, 1);
}
else if(slope === "vertical")
{
w = Math.max(this._strokeSize, 1);
}
else
{
// else make the line's stroke fit inside the canvas by growing the canvas
var theta = Math.atan(slope);
xAdj = Math.abs((this._strokeSize/2)*Math.sin(theta));
yAdj = Math.abs((this._strokeSize/2)*Math.cos(theta));
w += ~~(xAdj*2);
h += ~~(yAdj*2);
}
canvas = NJUtils.makeNJElement("canvas", "Canvas", "shape", null, true);
var elementModel = TagTool.makeElement(w, h, drawData.planeMat, drawData.midPt, canvas);
ElementMediator.addElement(canvas, elementModel.data, true);
canvas.elementModel.isShape = true;
}
else
{
canvas = this._targetedElement;
canvas.elementModel.controller = ShapesController;
if(!canvas.elementModel.shapeModel)
{
canvas.elementModel.shapeModel = Montage.create(ShapeModel);
}
}
this.RenderShape(w, h, drawData.planeMat, drawData.midPt,
canvas, slope, xAdj, yAdj);
}
this.endDraw(event);
this._isDrawing = false;
this._hasDraw=false;
this.DrawHandles();
}
},
_getSlope: {
value: function() {
var hitRec0 = this._mouseDownHitRec,
hitRec1 = this._mouseUpHitRec,
slope;
if (hitRec0 && hitRec1)
{
var p0 = hitRec0.getLocalPoint(),
p1 = hitRec1.getLocalPoint();
// check for divide by 0 for vertical line:
if( Math.round(p0[0] - p1[0]) === 0 )
{
// vertical line
slope = "vertical";
}
else if (Math.round(p0[1] - p1[1]) === 0 )
{
// horizontal line
slope = "horizontal";
}
else
{
// if slope is positive, draw a line from top-left to bottom-right
slope = (p0[1] - p1[1])/(p0[0] - p1[0]);
}
}
return slope;
}
},
_doDraw: {
value: function () {
if (this.mouseDownHitRec !== null) {
DrawingToolBase.stageComponent = this.application.ninja.stage;
DrawingToolBase.drawLine(this.mouseDownHitRec, this.mouseUpHitRec, this._strokeSize, this._strokeColor);
}
}
},
HandleShiftKeyDown: {
value: function (event) {
if (this._isDrawing) {
var slope = Math.abs((this.downPoint.y - this.currentY)/(this.downPoint.x - this.currentX));
// If slope is less than 0.5, make it a horizontal line
if(slope < 0.5)
{
this._mouseUpHitRec = DrawingToolBase.getUpdatedSnapPoint(this.currentX, this.downPoint.y, false, this._mouseDownHitRec);
}
// If slope is greater than 2, make it a vertical line
else if(slope > 2)
{
this._mouseUpHitRec = DrawingToolBase.getUpdatedSnapPoint(this.downPoint.x, this.currentY, false, this._mouseDownHitRec);
}
// make it a 45 degree line
else
{
var square = this.toSquare(this.downPoint.x, this.currentX, this.downPoint.y, this.currentY);
this._mouseUpHitRec = DrawingToolBase.getUpdatedSnapPoint(square[0] + square[2], square[1] + square[3], false, this._mouseDownHitRec);
}
this._doDraw();
}
}
},
HandleShiftKeyUp: {
value: function () {
if (this._isDrawing) {
this.mouseUpHitRec = DrawingToolBase.getUpdatedSnapPoint(this.currentX, this.currentY, false, this.mouseDownHitRec);
this._doDraw();
}
}
},
RenderShape: {
value: function (w, h, planeMat, midPt, canvas, slope, xAdj, yAdj)
{
var strokeStyleIndex = this.options.strokeStyleIndex;
var strokeStyle = this.options.strokeStyle;
var strokeSize = this._strokeSize;
var left = Math.round(midPt[0] - 0.5*w);
var top = Math.round(midPt[1] - 0.5*h);
var strokeColor = this.application.ninja.colorController.colorToolbar.stroke.webGlColor;
// for default stroke and fill/no materials
var strokeMaterial = null;
var strokeIndex = parseInt(this.options.strokeMaterial);
if(strokeIndex > 0)
{
strokeMaterial = Object.create(MaterialsLibrary.getMaterialAt(strokeIndex-1));
}
var world = this.getGLWorld(canvas, this.options.use3D);
var xOffset = ((left - canvas.offsetLeft + w/2) - canvas.width/2);
var yOffset = (canvas.height/2 - (top - canvas.offsetTop + h/2));
var line = new GLLine(world, xOffset, yOffset, w, h, slope, strokeSize, strokeColor, strokeMaterial, strokeStyle, xAdj, yAdj);
world.addObject(line);
world.render();
canvas.elementModel.shapeModel.shapeCount++;
if(canvas.elementModel.shapeModel.shapeCount === 1)
{
canvas.elementModel.selection = "Line";
canvas.elementModel.pi = "LinePi";
canvas.elementModel.shapeModel.strokeSize = this.options.strokeSize.value + " " + this.options.strokeSize.units;
canvas.elementModel.shapeModel.stroke = strokeColor;
if(strokeColor)
{
canvas.elementModel.shapeModel.border = this.application.ninja.colorController.colorToolbar.stroke;
}
canvas.elementModel.shapeModel.strokeMaterial = strokeMaterial;
canvas.elementModel.shapeModel.strokeMaterialIndex = strokeIndex;
canvas.elementModel.shapeModel.strokeStyleIndex = strokeStyleIndex;
canvas.elementModel.shapeModel.strokeStyle = strokeStyle;
canvas.elementModel.shapeModel.GLGeomObj = line;
}
else
{
// TODO - update the shape's info only. shapeModel will likely need an array of shapes.
}
if(canvas.elementModel.isShape)
{
this.application.ninja.selectionController.selectElement(canvas);
}
}
}
});
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